GAS ENGINEER (Field Service Engineer)

Job description

At Baxi, our Gas Engineers are the face of our brand, delivering expert service, maintenance, and repair support to customers across their region. A typical day involves diagnosing and resolving technical issues on domestic heating systems, commissioning new installations, and ensuring appliances are operating safely and efficiently. Youll work independently in the field, building trusted relationships with customers while upholding the highest standards of safety, quality, and customer care playing a vital role in supporting reliable heating solutions and the UKs transition to lower-carbon energy.

Location: Cardiff
Postcodes Covered: CF3 - CF14 and CF23 - CF24
Salary: £44,984.22 + Monthly Bonus
Company Vehicle: Company Van + Fuel Card
Pension: Contributory pension scheme
Working Pattern: You will average 41.5 hours per week over the year working annualised hours (less in summer more in winter) but your pay will not change! This includes some weekend, evening and bank holiday work.

The Person:
Were looking for a customer-focused, technically skilled Gas Engineer who takes pride in delivering a first-time fix and outstanding service. Youll be a self-motivated problem solver, confident working independently in the field while representing Baxi with professionalism and integrity.

Youll combine strong diagnostic ability with excellent communication skills, building trust with customers and colleagues alike. Safety-conscious, organised, and resilient, you thrive in a hands-on role where no two days are the same, and youre committed to continuous learning as heating technology evolves towards more sustainable, low-carbon solutions.

The Role:
As a Gas Engineer at Baxi, you will be responsible for delivering high-quality service, maintenance, and repair support across domestic and commercial heating products within your designated region. Working remotely in the field, you will diagnose faults, complete repairs, commission new appliances, and carry out annual servicing in line with industry standards and safety regulations.

Youll manage your own daily schedule, provide technical advice to customers and installers, and ensure every job is completed to the highest standard of safety, efficiency, and customer satisfaction playing a key role in supporting reliable heating solutions and our journey towards lower-carbon technologies.

This role operates on an annualised hours basis, meaning youll average 41.5 hours per week across the year typically working fewer hours during the summer months and more during our peak winter period. Your salary remains consistent throughout the year, providing income stability while reflecting the seasonal nature of our industry. The role will include rotated Saturdays, and bank holiday working as part of this structure.

Responsibilities:
As a Baxi Gas Engineer, you will be responsible for delivering safe, efficient, and high-quality technical support across your region, ensuring an excellent customer experience at every touchpoint.

Service, maintain, and repair domestic and commercial heating appliances to manufacturer and industry standards.

Diagnose faults accurately and deliver first-time fixes wherever possible.

Commission new installations and ensure systems are set up for optimal performance and efficiency.

Complete all work in line with Gas Safe regulations and health & safety policies.

Manage your own daily schedule, prioritising workloads to meet service level agreements.

Provide technical advice and product support to customers, installers, and contractors.

Complete clear and accurate digital job reports and documentation.

Identify opportunities to improve customer satisfaction and promote appropriate service solutions.

Maintain company vehicle, tools, and equipment in good working order.

Represent Baxi professionally at all times, upholding brand values and standards.

Requirements:

To be successful in this role, you will bring strong technical expertise, a customer-first mindset, and the ability to work independently in a field-based environment.

ACS Gas qualifications (CCN1, CENWAT, CKR1, HTR1 or equivalent) essential.

Proven experience servicing and repairing domestic gas boilers and heating systems.

Fault-finding and diagnostic experience with strong problem-solving skills.

Full UK driving licence.

Strong understanding of health & safety and Gas Safe regulations.

Excellent customer service and communication skills.

Ability to work independently and manage your own workload effectively.

Basic IT literacy and confidence using digital job management systems.

Flexibility to travel within your designated region.

A positive, professional attitude, representing Baxi to the highest standard.

Our Benefits:

At Baxi, we recognise the vital role our Gas Engineers play in supporting our customers, so we offer a comprehensive package designed to reward performance, support wellbeing, and provide work-life balance.

No Sundays

Increase your earnings with monthly bonus, based on hitting your personal KPIs

Additional Paid overtime when Required

Company Van (including for personal use) including Fuel Card, Tools and PPE

Industry leading support and Training

Bi-Monthly Breakfast meetings to share best practise

28 days annual leave + option to purchase additional days

Increase your earnings with monthly bonus, based on hitting your personal KPIs

Access to Employee Benefits Hub, Health Plan, Unum, etc

*PLEASE NOTE Due to the nature of our work this role may require background checks, offers of employment will be dependent on obtaining the relevant level of checks.

About BAXI:
We’re leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions. As one team across the UK and Ireland, and with the backing of our global parent company, BDR Thermea Group, we work together with a collective knowledge and expertise thats literally centuries in the making. Were proud of our heritage, manufacturing in the UK since 1866, and were experienced in adapting to changing needs.

Whether you’re joining us in the field or working at one of our established hub locations youll be part of a team that offers opportunities in a historically rich, British manufacturing company focused on sustainable, greener, and cleaner energy solutions.

Position: M&E Shift Engineer
Location: Hammersmith Iconic Commercial Building
Hours: 4 on 4 off (Days & Nights, 7:00am 7:00pm / 7:00pm 7:00am)
Salary: £55,000 per annum + Overtime
Employer: Leading FM Service Provider

An exciting opportunity has arisen for an M&E Shift Engineer to join a leading Facilities Management service provider, working within an iconic commercial building in Hammersmith.

This is a fantastic role offering exposure to a high-profile site, strong earning potential through overtime, and clear opportunities for career progression.

The Role Overview

As the M&E Shift Engineer, you will be responsible for delivering both planned preventative maintenance (PPMs) and reactive maintenance across all building services systems. Working within a shift team, you will ensure the smooth operation of electrical and mechanical systems within this prestigious environment.

What youll do:

• Carry out PPMs across electrical and mechanical systems
• Respond to reactive maintenance issues quickly and effectively
• Perform fault finding and diagnostics on M&E systems
• Ensure compliance with health & safety and statutory regulations
• Maintain accurate records of maintenance activities
• Work collaboratively with the wider engineering team

What youll bring to the role:

• Electrical qualifications (essential)
• Good working knowledge of mechanical building services
• Experience within commercial building maintenance
• Strong fault-finding and problem-solving ability
• Ability to work effectively within a shift environment

Whats on offer:

• £55,000 basic salary
• 4 on 4 off shift pattern (days and nights)
• Plenty of overtime opportunities
• Clear career progression and training opportunities
• Opportunity to work within a flagship commercial building
• Stability with a leading FM provider

This is an excellent opportunity for a qualified M&E Engineer looking to take the next step in their career within a high-end, fast-paced commercial environment.

My client is seeking an Electrical Shift Engineer to join a dynamic team in the London area on a contract basis.

The shift is 4 on 4 off and days and nights.

The successful candidate will be responsible for performing both planned preventative maintenance (PPM) and reactive maintenance tasks across a variety of electrical building systems. This includes diagnosing faults and carrying out repairs on HVAC, lighting, plumbing, and general building services to ensure operational efficiency and safety.

The role requires strict adherence to safety procedures and policies, particularly those set by Integral and Amazon. Accurate record-keeping of all maintenance activities using the site’s CAFM system is essential. The engineer will liaise closely with site management and contractors to minimise disruption to operations and will participate in site audits, inspections, and compliance checks.

Additionally, the role supports energy efficiency and sustainability initiatives on site. A key requirement for this position is possession of the 18th Edition Wiring Regulations qualification, which is mandatory and cannot be omitted.

Skills:
18th Edition Wiring Regulations (mandatory)
Planned Preventative Maintenance (PPM)
Fault diagnosis and repair of HVAC systems
Electrical and mechanical maintenance skills
Knowledge of lighting and plumbing systems
Experience with CAFM systems for maintenance record-keeping
Strong understanding of health and safety procedures and compliance
Ability to liaise effectively with site management and contractors
Participation in site audits and inspections
Commitment to energy efficiency and sustainability initiatives

Software/Tools:
CAFM (Computer-Aided Facilities Management) systems

Certifications & Standards:
18th Edition Wiring Regulations (mandatory)
Health and Safety compliance knowledge

Pay rate for this position is up to £30 per hour umbrella (no CIS)

If you deem yourself suitable for this position, please apply Immediately.

Electrical Maintenance Engineer Plumstead £42,000.00

Location: Plumstead, South East London (SE28)
Salary: up to £42,200 per annum
Shifts: Monday to Friday (08:0016:00)

About the Role

Were currently recruiting for an experienced Electrical Maintenance Engineer to join a leading building maintenance provider at a commercial site in Plumstead, South East London (SE28).

Youll be part of a skilled engineering team, delivering planned and reactive maintenance across electrical systems within a modern commercial environment.

Responsibilities

• Carry out PPM and reactive maintenance on electrical systems and building services equipment.
• Respond promptly to breakdowns, ensuring minimal downtime.
• Fault-finding and remedial repairs on lighting, power distribution, and control systems.
• Work alongside mechanical and building services teams as part of a multi-skilled maintenance operation.
• Ensure compliance with health & safety procedures and site documentation.

Requirements

• City & Guilds Level 3 or equivalent in Electrical Installations / Engineering.
• 18th Edition Wiring Regulations qualification.
• Proven experience in a commercial or critical building environment.

If youre an Electrical Engineer looking for a challenging and rewarding role in South East London, take the next step in your career by clicking ‘Apply Now’ !

We are currently looking for an electrical bias Multi-Skilled Engineers’ to join the existing team we have in place to further help us to deliver our contractual obligations to our corporate clients. The successful candidates will have a wealth of experience in building services maintenance and have a background of working on corporate, client facing buildings. The successful candidate will be required to work on site a 12 hour shifts 4 on, 4 off days, days and nights.

Role Purpose:

To carry out planned preventative maintenance, reactive works to building plant, equipment and systems in accordance with agreed service levels and respond to site engineering emergencies.

Undertake minor installation works in accordance with client change management structure and statutory compliance protocols

Main Duties & Responsibilities:

• Ensure that routine maintenance is carried out to all building plant, equipment, and systems to meet and exceed expectations, and agreed service level agreements.
• Respond to Building Management System alarms, and effect emergency repairs as needed.
• Issue and ensure appropriate controls within the Permit to Work systems.
• Ensure that Critical cooling water systems and any domestic systems are maintained to comply with the requirements of the L8 standard. Update logbooks accordingly
• Ensure that suitable spares are available to carry out maintenance of the critical and non-critical plant.
• Ensure that comprehensive maintenance records are kept in the form of task sheets hard copy or electronically as required. High level of computer proficiency required especially in Microsoft Excel, Word, and Power Point must be able to use Adobe / Nitro
• Ensure that Method Statements and Risk Assessments are adhered to for all tasks carried out to ensure safe working practices. Develop and enhance SOPs and EOPs
• Ensure that engineering subcontractors are appropriately escorted, comply with contractual commitments, comply with Permit to Work, and site operating processes.
• To develop a good working relationship with all members of Integral and clients staff.
• Upkeep the provision of a safe & healthy working environment and ensure compliance with all Company policies and procedures is met, as well as client site policies, procedures and working arrangements, as required.
• Ensure that engineering subcontractors are appropriately supervised, and comply with contractual commitments, and site operating processes.
• Ensure a professional image of Integral UK is presented to clients and visitors and ensure excellence in customer service is always delivered and promoted.
• Provide shift cover for opposite shift members during periods of absence.
• Attend and support annual building shutdowns when required.
• All other duties reasonably associated with this role.

Essential Qualifications & Experience:

• Minimum of 5 years relevant experience in Critical Environments such as Banking HQ and Data Centres.
• LV Authorised Person (A Bonus)
• Electrical/MechanicalEngineering apprenticeship or similar
• C&G Pts. 1 & 2, equivalent or exceeds.
• 18th Edition IEE: Wiring and Installation (Ability to attain 18thEdition through additional training if you have 17thEdition)
• C&G 2391 test and inspection; BS 7671:2001 for inspection, testing and certification.
• Excellent communication skills and the ability to deal with all levels of staff.
• Proactive in achieving the highest standard of operation.
• Have good IT and report writing skills.
• Ability to work under pressure whilst remaining calm, clear thinking and able to deliver the required services to the client within given time constraints.

Employee Benefits:

• Overtime x1.5 on weekday and x2 on weekends + day in lieu on bank holidays
• Standby rate is £15 per day and £50 on bank holidays
• 25 days holiday plus bank holidays (pro rata into shifts for shift workers)
• Company funded health cash plan
• Ability to buy and sell holidays buy 5 days & sell 2 days
• Life assurance
• Auto-enrolment company pension scheme
• Employee Assistance Program (EAP)
• Cycle to work scheme
• Purchase an electric vehicle via salary sacrifice
• Employee discounts with various brands
• Learning and development programs, training and career opportunities.

BMS Service EngineerMonday to Friday|Up to 60k| London Based

A specialist engineering company focused on intelligent building systems is seeking a BMS Service Engineer to join their team. The organisation delivers solutions that improve energy efficiency, reduce carbon emissions, and optimise building performance.

This is a full-time, site-based role in the London area, offering a salary of up to £60,000. The successful candidate will be responsible for maintaining and supporting building management systems (BMS), ensuring they operate efficiently and reliably.

Key responsibilities include:

• Diagnosing and resolving faults within BMS systems
• Carrying out planned and reactive maintenance
• Providing on-site technical support to clients
• Performing repair and service tasks across multiple sites
• Working closely with internal teams and customers to ensure systems meet performance and compliance standards

Requirements

• Proven experience in fault finding, field service, and system troubleshooting
• Background in maintenance and repair of building management systems or similar technologies
• Strong communication skills with the ability to provide clear technical support to clients
• Ability to work independently and manage workload effectively in a field-based role
• Knowledge of industry protocols such as BACnet, Modbus, or MQTT is advantageous
• Relevant technical qualification (e.g. Engineering, HVAC, or similar) preferred
• Full UK driving licence and willingness to travel locally

Summary

Senior Quant Developer / Low-Latency C++ Engineer at a leading quant & systematic fund. Looking for an exceptional low-level C++ programmer with deep metaprogramming experience and a minimum of 7+ years’ professional C++ experience (since university/graduation).

In this role, you will:

• Develop, optimize, and maintain high-performance C++ code for ultra-low-latency trading systems.
• Work on strategy interaction with FPGA to ensure seamless integration.
• Collaborate with infrastructure and network teams to ensure optimal system performance.

Skills and Experience Required

• Minimum 7+ years’ C++ experience
• In-depth knowledge of memory management, multithreading, CPU cache optimization, and Linux
• Solid understanding of infrastructure and network basics

Desirable

• Ideally BSc, MSc and/or PhD in Computer Science, Mathematics or Physics
• Ideally HFT experience (client is open, however, to a non-finance background, especially if personal projects are finance-related)

Benefits

• Top of the market salary + bonuses + generous benefits package
• Latest technologies & opportunity to work on deeply complex problems with significant impact

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you think you’re a good match for the role and would like further info, please contact:

Ali Wilson
ali.wilson@oxfordknight.co.uk
(+44) 07412908641
linkedin.com/in/alexander-wilson-050

LSEG is seeking a Senior Vulnerability Management Engineer to join our internal offensive security team with focus on driving closure of penetration testing findings. This role bridges offensive security and engineering by translating penetration test results into clear, actionable remediation guidance and partnering with application and platform teams to implement secure fixes. The successful candidate has a strong penetration testing or application security background, hands on remediation experience, and the ability to coordinate multiple collaborators to reduce risk at scale. This is a highly technical, delivery focused role with responsibility for both individual findings and systemic improvements.

Key Responsibilities

• Analyze and review penetration test reports to understand technical impact, exploitability, and business risk.
• Develop, document and maintain remediation guidance, patterns, and blue-prints for common vulnerability types (e.g. injections, access control, auth, session management, misconfigurations).
• Provide consultation to application and platform teams on secure design and remediation approaches, including code-level, configuration-level and business-level recommendations.
• Coordinate remediation activities across multiple teams, ensuring, clear ownership, agreed timelines, and risk-based prioritization.
• Validate fixes by retesting vulnerabilities (manually and/or via tools/scripts) and updating the status of findings through closure.
• Manage and track the remediation backlog, including SLAs, aging finings, and critical issues when needed.
• Produce and maintain documentation on remediation processes, workflows, and controls for audit and compliance purposes.
• Prepare and deliver regular status reports and metrics on remediation progress, trends, and risk reduction to management and partners.
• Perform root cause analysis for recurring or systemic issues and work with engineering, architecture, and governance teams to implement long-term corrective actions.
• Contribute to continuous improvement of the pentest-to-remediation lifecycle, including automation, standardization and integration with SDLC/DevSecOps pipelines.
• Compile technical documents, track and document remediation metadata
  • Engagement details (who, what, when, where)
  • Testing team members and roles
  • Tools and methodologies used
  • Schedule and timelines
  • Target systems and environments
  • Constraints, exclusions, and limitations
  • Testing activities and event logs
• Contribute to team improvement efforts and ensure all initiatives and feedback are well documented for future references.
• Contribute to the continuous improvement of testing methodologies, tooling, automation.
• Stay ahead of with emerging threats, vulnerabilities, and offensive security techniques.
• Participate in R&D initiatives as guided from leadership.
• Support knowledge sharing and mentoring within the team.

Required Skills & Experience

• Proven hands-on experience in penetration testing of Web Applications, APIs, Thick Client and Common Infrastructures (Active Directory, Cloud and Cloud-native based environments).
• Proficiency with tools such as Burp Suite, common command-line tools, and ability to write custom scripts when needed.
• Experience in automating pentesting tasks.
• Solid understanding of application security, network protocols, and operating systems.
• Experience with cloud platforms (AWS, Azure, GCP) and containerized environments (Docker, Kubernetes).
• Solid understanding of common vulnerabilities and exposures (OWASP Top 10, SANS Top 25) and secure coding practices in at least on major language stack (e.g. Java/Springboot, .NET, JavaScript/Node, Python)
• Ability to write clear, technical reports and communicate findings and fixes to both technical and non-technical partners.
• Experience working in large, complex enterprise environments.
• Proficient communication skills in English, both written and verbal.
• Relevant certifications and engagement with the security community is a plus
• Threat Modelling experience is a plus.
• Proven track record of successfully managing and driving security engagements for various organizations with differing operational and technical profiles.
• Ability to identify, assess, and communicate technical and project risks to partners.
• Understanding project requirements and aligning work with agreed upon objectives and timelines.

Career Stage:
Senior Associate

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

London (Mobile Role)

We are currently recruiting for a skilled and experienced Chiller Service Engineer to join our longstanding client, covering a range of sites across the London area. This is a mobile position, requiring travel to commercial, retail, and university sites to carry out specialist chiller maintenance and repair work.

Key Responsibilities:

• Service, maintenance, and repair of a variety of chiller systems (air-cooled and water-cooled)

• Fault finding, diagnostics, and troubleshooting on complex systems

• Carrying out planned preventative maintenance (PPM) and reactive breakdowns

• Working on associated plant including pumps, AHUs, and cooling towers

• Ensuring compliance with health & safety regulations and industry standards

• Completing detailed service reports and maintaining accurate records

• Providing a high level of customer service on-site

• Participation in a 1 in 8 call-out rota (with additional allowance)

Requirements:

• Valid F-Gas Certification
• Relevant NVQ Level 2 or Level 3 in Refrigeration & Air Conditioning or equivalent
• Proven experience working on chiller systems (e.g. Trane, Carrier, York, Daikin)
• Full UK driving licence
• Strong diagnostic and fault-finding skills
• Ability to work independently in a mobile role

Whats on Offer:

• Company van and fuel card
• Overtime opportunities
• Call-out / overtime allowance
• Ongoing training and manufacturer exposure
• Long-term career progression within a growing business

Salary: up to £200k base + bonus

Summary

Fantastic opportunity for all-star coders at one of the world’s top algorithmic trading firms. The Systems Development team builds and maintains the infrastructure and software platform used by all Systems teams to manage servers and networks.

As a Python Developer, your workload will be varied, offering great opportunities to improve and have a huge impact. Your main focus will be tool development (in Python), both improving and integrating existing tools and libraries across the platform, as well as designing and building new ones.

The successful Python Developer loves to be challenged and thrives in fast-paced environments. You’re a big fan of open-source software, adept at effective multitasking and a proponent of automation - why do the same task twice manually?

Requirements

• 3+ years of experience, including strong Python programming skills
• Highly proficient in debugging and analysing problems quickly
• Minimum bachelor’s degree in Computer Science (or related field)
• Excellent understanding of CompSci fundamentals
• Bonus points for knowledge of: Debian operating system, systems configuration management and/or CI/CD tools and processes

NB: Please do not apply if you are a fresh graduate.

Benefits

• Market-leading salary + bonuses + generous benefits package
• They’re willing to be flexible with WFH
• Truly flat management structure, with no red tape
• Friendly culture where everyone’s ideas are encouraged and celebrated
• Feel valued and be rewarded for your hard work where coding is front and centre

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you or you’d like to know more, please get in touch:

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Salary: Market-Leading

Location: London

Summary:

A world-class HFT is looking to add a senior engineer with extensive reliability expertise to join their core systems group.

The successful candidate will work in a hands-on role in an elite team, coding with Python whilst building and maintaining Linux, networking and other systems architecture.

Requirements:

• Strong Python programming skill-set
• Solid understanding of Linux operating systems
• Strong computer science fundamentals
• Outstanding communication skills
• Trading firm expertise a bonus

Benefits and Incentives:

• Work alongside outstanding engineers in an elite, modern technical environment
• Potential for significant upside
• Friendly, collegiate culture
• Hybrid/flexible working options

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Salary: up to £220k base + bonus

Summary

Leading global HFT firm is looking for a pragmatic C++ Engineer to join the Core Development team, a global group of technologists who architect, build and maintain the algorithmic trading platform.

As a C++ Engineer, you will design, build and test the infrastructure, tools and systems that drive trading and business needs. Working closely with traders, quant researchers and technologists across the firm, you’ll solve difficult technical problems ranging from CPU architecture & operating systems to networking & hardware.

Technology is prized by the traders as crucial to their continued success. This role would suit a strong problem-solver, who enjoys collaborating with others in a fast-paced and energetic environment.

Requirements

• Minimum 4 years’ modern C++ programming experience on Linux
• Solid understanding of computer systems (operating systems, networks, performance optimization, etc.)
• Deep-level knowledge of OO design and multithreaded programming
• Experience creating/supporting cross-platform multithreaded applications
• Bachelor’s degree in Computer Science or Computer Engineering (or related)
• Bonus points for low-latency development experience

NB: Please don’t apply if you’re a fresh graduate.

Benefits

• Competitive base salary & bonus
• Enormous opportunity to grow, learn and have a significant business impact
• Contributions are rewarded; career progression supported
• Substantial benefits package, including private medical, paid parental leave, group life assurance & parking/cycle schemes

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you would like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Senior Engineer (Mechanical & Electrical Building Services)
Location:Croydon, CR0
Contract Type:Full-Time, Permanent

About the Role:

We are seeking a highly skilled and motivatedSenior Engineerto join our multi-disciplinary Mechanical and Electrical (M&E) Building Services team. This is an exciting opportunity to take a leading role in delivering high-quality engineering design and consultancy services across a diverse portfolio of projects.

You will be responsible for providing expert technical advice, leading discipline-specific design work, and ensuring projects are delivered on time, within budget, and to the highest professional standards.

Key Responsibilities:

• Lead the design and technical delivery of M&E building services projects
• Provide consultancy services including site surveys, feasibility studies, due diligence, and technical reporting
• Manage multiple projects simultaneously, ensuring deadlines and cost targets are met
• Act as discipline lead on projects where required
• Coordinate effectively with internal teams, external consultants, and clients
• Attend and lead meetings, providing clear and professional updates and reports
• Prepare and review technical documentation including specifications, calculations, and schedules
• Conduct site inspections, condition surveys, and defect analysis
• Support commissioning activities and review as-fitted drawings and O&M documentation
• Identify and manage project risks, including producing MEP residual risk reports in line with CDM regulations
• Promote sustainability and energy-efficient design solutions
• Mentor and support junior engineers, graduates, and trainees
• Contribute to business development activities, including fee proposals and technical bids

What Were Looking For:

• Proven experience in an engineering role within M&E building services
• Proven experience working in consultancy
• Strong technical design and report writing skills
• Ability to manage workload independently with minimal supervision
• Excellent communication and client-facing skills
• Strong understanding of project cost control and commercial awareness
• Experience working across multiple projects and disciplines
• Commitment to sustainability and innovation in engineering solutions

Why Join Us?

• Opportunity to work on a wide range of challenging and rewarding projects
• Collaborative and supportive team environment
• Career development and progression opportunities
• Involvement in business growth and strategic initiatives

Additional Information:

This role may involve travel to project sites and meetings across various locations. Duties may evolve in line with business needs, with any significant changes agreed in advance.

Salary: up to £250k UK + bonus

Locations: London, New York, Miami, Sydney

Summary

Fantastic opportunity for a strong C++ software engineer to gain experience in options market-making at a globally successful firm. This role offers the opportunity to contribute to one of the world’s most powerful trading platforms.

You will partner with business leaders to understand priorities and create custom software that optimizes performance and efficiency across the firm. The work will be a mix of designing, testing & deploying elegant software, analyzing complex technical problems, and continuously improving performance, functionality and stability of the platform.

They strive to be the most successful investment team in the world, hiring the brightest minds from a range of backgrounds - technology, research, and finance - and providing the tools needed to collaborate. The successful candidate will be willing to become an expert in the options trading space and convert this expertise into next-generation software solutions, collapsing data cardinality where possible.

Requirements

• 5+ years’ professional experience, including distributed systems and multithreaded application design & development
• Solid C++ experience
• Keen proponent of solving open-ended problems with analytical methods
• Ability to work independently and prioritize high-impact projects
• Minimum bachelor’s degree in Computer Science (or related field) from a top-tier university

NB: Please don’t apply if you’re a fresh graduate.

Rewards and Incentives

• Hugely collaborative environment between teams, not siloed like other firms
• Competitive compensation: truly flat structure; feel valued for your input and be rewarded for great ideas
• Work with the smartest minds and the latest technologies on complex technical problems

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you would like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
+44 (0)20 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Location: London or Amsterdam

My client is a t ier-1 prop trader/market maker, providing liquidity and accurate pricing in various financial instruments to multiple exchanges across the world.

The Trading Operations Production Support Engineering team is responsible for maintaining and scaling the low-latency trading systems. The team ensures a safe, stable, and efficient production environment while supporting profitability and sustainable growth across various regions. Collaborating closely with traders, development, and operational teams, you will deploy, monitor, troubleshoot, and optimize trading infrastructure to enhance reliability, performance, and automation.

Responsibilities

• Provide technical expertise and support to high-frequency trading floors, troubleshooting complex issues and resolving incidents in a fast-paced, dynamic setting.
• Deploy, maintain, and monitor proprietary trading applications, ensuring stability and performance in the trading environment.
• Review and analyze incidents to identify recurring themes, driving improvements to enhance automation and operational efficiency.
• Coordinate deployments of new trading products, systems, and exchanges, ensuring readiness for events such as corporate actions or special announcements.
• Architect and maintain services to maximize reliability, ensuring the trading systems operate within performance thresholds.
• Collaborate with development teams to establish best practices and ensure the long-term stability of production systems, even under extreme conditions.
• Set standards for system configuration and deployment to minimize risks and support smooth scaling.
• Manage the colocation to ensure the right level of redundancy and capacity for growth is available.
• Automate system management processes, while maintaining control over critical operations.

Requirements

Technical Skills:

• Solid experience managing complex distributed systems in Linux environments (L2/L3 support), with a strong understanding of networking fundamentals, build, deployment, and version control systems.
• Proficiency with CI/CD tooling and scripting in Python or similar languages to automate tasks.
• Experience with relational databases (e.g. PostgreSQL) or other database systems.
• Demonstrated ability to drive system improvements and work across global teams to deliver changes.

Non-Technical Skills:

• A collaborative team player with a positive attitude, capable of coordinating effectively across departments.
• A pragmatic and logical thinker who thrives in fast-paced environments, with strong troubleshooting skills and the ability to resolve incidents efficiently.
• Effective communicator, able to clearly explain technical concepts and ask insightful questions.
• Highly organized, able to manage multiple responsibilities while keeping stakeholders informed.
• Passionate about technology, curious about the interaction between hardware and software, and driven to learn and grow by embracing frequent change.
• Prior experience in high-frequency trading environments is a plus, but not required.
• Prior trading or financial experience is not needed - the onboarding program will support you in gaining all the relevant knowledge.

NB: A pplications only accepted from those located in the US or Europe

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If this sounds like you, or you’d like to know more, please get in touch!

Sam Jenkins
sam.jenkins@oxfordknight.co.uk
+44 (0 )20 7663 2734
linkedin.com/in/sam-jenkins-b517021b4

Summary

Leading HFT fund looking for an expert C++ Engineer to join their core platform team, designing, developing and maintaining the algorithmic trading platform. Leadership experience is welcomed but not essential.

Developers here are highly valued and well-rewarded for hard work, and as a result, are some of the brightest minds from across the trading, tech and start-up industries. Working closely with hands-on Quants and Traders your primary focus will be C++ functionality, responsible for creating and optimizing scalable multi-tiered applications and infrastructure.

The successful C++ Engineer will love solving difficult technical problems and be comfortable with owning multiple projects simultaneously. You’ll be expected to have a strong understanding of computer systems, e.g. operating systems, networks, performance optimization, etc. If this sounds like you, apply now!

Requirements

• Minimum 3+ years’ C++ programming skills on Linux
• Solid experience in OO design and creating/supporting cross-platform multithreaded applications
• Low latency systems development would be ideal
• Bachelor’s degree in Computer Science/Engineering (or related field) - minimum 2.1 or 3.5 GPA
• Outstanding communication skills across the business
• Experience within the financial industry is advantageous but not essential

Benefits

• Competitive base salary & bonus
• Enormous opportunity to grow, learn and have an impact
• Contributions are rewarded; career progression supported
• Free breakfast, lunch and dinner

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you are a good match, please don’t hesitate to get in touch:

Dan Hampton
dan.hampton@oxfordknight.co.uk
020 3475 7192
linkedin.com/in/dan-hampton-ab029392

Location: New York or London

Salary: 200-500k usd

Summary

A multi-strategy hedge fund focused on delivering consistent returns through innovative trading strategies, robust risk management, and cutting-edge technology. As they scale, they’re seeking a pragmatic Linux Engineer to join a successful and growing team.

In this pivotal role, you will architect and execute strategic changes to the Linux environment as well as oversee maintenance of that environment. Your main responsibility will be supporting the fund’s expansion, including new trading types, locations, and deployment mechanisms for software teams. Additionally, you’ll also ensure low-latency trading applications run seamlessly across the global network of co-location sites.

Requirements

• 5+ years’ hands-on Linux experience, with exposure to both Debian and RHEL preferred
• Expertise in performance analysis and kernel tuning, particularly as it relates to low-latency systems
• Ability to use Python and Ansible to fully automate deployment, with knowledge of Nix/NixOS a plus
• Working knowledge of networking, storage, and clustering technologies
• Bachelor’s degree in Computer Science (or related field)
• Previous experience within Financial Services is a plus

Benefits

• Competitive base salaries and performance-based bonuses
• Very collaborative culture, ideas are implemented
• Work with passionate, forward-thinking, incredibly smart people

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you are a strong match for this role, please don’t hesitate to get in touch:

Dominic Copsey
dominic.copsey@oxfordknight.co.uk
+44 (0) 203 475 7193
linkedin.com/in/dom-copsey-586478143/

Our client, a leading systematic market maker, is looking for a SRE to work on their internal high‑performance trading systems. This role offers a rare opportunity to collaborate with one of the most successful market‑making firms and top figures in the industry. This is a high‑impact, high‑ownership role with significant scope to accelerate one’s career.

The ideal candidate is from a top financial institution, sitting close to trading systems, and understands the ins and outs of low‑latency, highly distributed trading systems. With a clear communication style and strong commercial mindset, this role will involve close collaboration with traders. In addition to a deep understanding of UNIX/Linux command lines, the candidate should have a strong grasp of application‑level networking.

Responsibilities:
* Ensure real‑time trading systems remain stable and performance, proactively monitoring, diagnosing, and resolving issues that could impact trading or market connectivity.
* Act as the first line of defense for production incidents, leading live troubleshooting, performing root‑cause analysis, and preventing recurrence in a highly distributed, low‑latency environment.
* Partner closely with trading, engineering, and infrastructure teams to plan capacity, execute upgrades, and safely migrate applications with zero or minimal disruption.
* Improve system reliability and efficiency through automation, leveraging Python, Bash, and SQL to streamline operational workflows and reduce manual intervention.
* Continuously tune and optimize systems and networks, applying deep OS, networking, and performance knowledge to support the demands of a high‑frequency trading environment.

Requirements:
* Strong foundations in Linux/UNIX, networking (TCP/IP, UDP), SQL, and scripting (Python/Bash) for early‑career candidates
* Experience with real‑time production support, root‑cause analysis, and distributed systems for senior candidates
* Capability to manage large‑scale infrastructure, capacity planning, migrations, and upgrades
* Excellent collaboration, communication, multitasking, and problem‑solving skills
* Preferred exposure to trading systems, intermediate Python development, and OS performance tuning

We are a company specialising in the installation of audiovisual systems for high-end corporate and university clients. Our projects range from video conferencing systems in boardrooms to bespoke lecture theatres with high-quality audio systems.
We work predominantly across the South of England, but also undertake projects throughout the UK and occasionally in Europe. As such, a willingness to travel is required.
We are looking for an Audio Visual Engineer to join our team. We are happy to train the right individual, shadowing one of our senior engineers; however, candidates should already be proficient in using power and hand tools and must hold a full UK driving licence. A CSCS/ECS card would also be advantageous.
This role may suit an electrician, data engineer, or satellite engineer looking for a change.
Key Responsibilities:

• Reading schematics and technical drawings
• Installation of cable management systems
• First fix cabling
• Installation of mounting hardware (e.g. TV mounts, cameras, speakers, ceiling-mounted projectors)
• Termination of various cable types
• Equipment rack installation and wiring

Once trained, the successful candidate will be provided with all necessary tools and a fully expensed company vehicle.

Linux Systems Engineer | World-Class Hedge Fund

Location: Paris

Our client is a world‑class hedge fund, recognised for its elite technology organisation and scientific, data‑driven culture. They are now seeking a Linux Systems Engineer to join a global team operating at the core of a large‑scale, mission‑critical Linux environment powering cutting‑edge quantitative research and high‑performance trading.

This is an opportunity to immerse yourself in one of the industry’s most advanced Linux estates-hands‑on across high‑availability platforms, large compute clusters, and automation tooling-while partnering with exceptional engineers to elevate observability, resilience, and platform automation. As a key member of the global infrastructure support organisation, you will help support, scale, and evolve the firm’s next‑generation Linux trading and research platforms.

Key Responsibilities

• Administer, support, and optimise Linux‑based trading and research platforms within a high‑availability, ultra‑low‑latency production environment.
• Deploy new infrastructure and manage end‑to‑end server lifecycle processes, from bare‑metal installation through to full OS provisioning.
• Collaborate with engineering teams to enhance automation, monitoring, and observability, driving efficiency, reliability, and long‑term scalability.
• Troubleshoot complex production incidents, conduct deep‑dive root‑cause analysis, and implement enduring stability improvements.
• Produce and maintain high‑quality documentation while contributing to process refinement and knowledge sharing across the global infrastructure group.
• Participate in an on‑call rotation and provide occasional out‑of‑hours (primarily remote) support.

Key Requirements

• 4+ years’ experience in infrastructure, systems engineering, or Linux platform support within high‑availability, mission‑critical environments.
• Strong hands‑on Linux administration experience with Red Hat, CentOS, or Rocky Linux.
• Proven experience delivering full server lifecycle builds, including hardware installation, OS deployment, and configuration.
• Solid understanding of AMD and Intel server hardware, with the ability to troubleshoot at both system and component level.
• Practical experience with infrastructure automation tools (e.g., Ansible).
• Scripting proficiency in Python and Bash for automation, tooling, and operational workflows.

Lead Audio Visual Engineer
Luxury Residential Integration - London

If you want to work on projects that genuinely elevate your career, this is one of those roles that makes a difference.

You’ll be joining a specialist integration firm delivering luxury smart homes for ultra high net worth clients. These are full estates, multi-level penthouses, private cinemas and complex whole home control systems built with absolute precision. Everything is engineered properly, documented well and delivered to a standard only a handful of teams in the country can match.

They now need a Lead Engineer who can take ownership of technical delivery on site and set the level that everyone else follows.

What you will be doing

• Leading on-site delivery across flagship Residential projects
• Overseeing installs, commissioning and final sign-off of full home automation systems
• Working closely with designers, programmers and project managers to keep each stage moving smoothly
• Mentoring mid-level engineers and raising the overall standard of work
• Being the trusted technical lead clients look to for clarity, confidence and expertise
• Bringing structure and calm to some of the most complex residential systems in the UK

What you need to bring

• Strong Residential or Commercial AV background with the ability to take command of site delivery
• Strong Lutron knowledge
• Idelaly knowledge on Crestron or Control4, and the ability to understand programmed logic and system behaviour
• Solid networking skills, including VLANs, switch configuration and troubleshooting
• A track record of delivering high end projects where tidy infrastructure and proper documentation matter
• Clear communication, client confidence and a problem solving mindset
• The ability to spot issues early and resolve them before they grow

Why this role stands out

You’ll work on homes that operate closer to private estates and boutique properties than standard residential setups. Every system is engineered properly. Every detail is considered. You’ll be surrounded by people who value accuracy, pride and long term performance. This is a quality first environment, not a volume driven one.

If you take your craft seriously and want to lead from the front, you will thrive here.

Salary and package

• Up to £52,000 pa basic salary, depending on experience
• Overtime available
• Company vehicle
• Performance incentives
• Genuine progression opportunities

How to Proceed

If you’re an experienced AV Engineer looking for that step up in your career with more responsibility working for one of the best names in the industry, this role is for you. Details of the employer are shared once shortlisted.

Keywords

Lead AV Engineer, Senior AV Engineer, Home Automation Engineer, Crestron Engineer, Residential AV, Network Engineer, Audio Networking, Smart Home Systems, High End Residential AV, Luxury Integration, AV Installation, AV Commissioning, Technical Lead, Home Cinema, Multi Room Audio, Networked AV, AV Projects London

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