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Firmware Engineer Jobs in London
Overview
Discover top Firmware Engineer jobs in London with Haystack. Whether you're an experienced embedded firmware developer or just starting out, explore the latest opportunities at leading tech companies across the city. Find your perfect Firmware Engineer role in London today and take the next step in your career with Haystack.
AV Programming & Commissioning Engineer
SER Limited
Multiple locations
Hybrid
Junior - Mid
£45,000 - £60,000
RECENTLY POSTED

£45,000 - £60,000 Salary (DOE)
South UK / Hybrid

Monday Friday 08 30

Role:

This role combines control system programming and on-site commissioning, to ensure AV systems are fully integrated and reliable to use.

Work will be a combination of home based programming and site based commissioning across customer premises in the South of the UK with occasional travel to other regions where required.

Duties:

  • Develop, implement, and test AV control system programs across platforms such as Crestron, Q-Sys, and Extron
  • Commission and test AV systems both in-house and on customer sites
  • Integrate AV systems with existing infrastructure (e.g. lighting, HVAC, building systems)
  • Configure and optimise audio DSP systems (QSC, Biamp, Extron)
  • Produce accurate documentation including AVIT schedules and system records
  • Provide technical support to internal teams and external clients
  • Diagnose and resolve complex AV and control system issues remotely and on-site
  • Deliver client training to ensure effective system operation and maintenance
  • Stay current with emerging AV technologies, programming languages, and industry standards

What You ll Need:

  • Proven experience programming and commissioning AV control systems
  • Strong programming experience with platforms such as Crestron, Q-Sys, Extron, AMX, or similar
  • Relevant certificates in Crestron or QSYS systems would be essential.
  • Proficiency in AV-related programming languages (e.g. C++, Python, C#, JavaScript, HTML)
  • Solid experience configuring audio DSP systems
  • Strong networking knowledge relevant to AV environments
  • Excellent troubleshooting and problem-solving skills
  • Confident communicator, able to work directly with clients and internal teams
  • High attention to detail and ability to work in a fast-paced, deadline-driven environment
  • Full UK Driving Licence
  • Full right to work within the UK

What s on Offer:

  • £45K - £60K basic salary (DOE)
  • Company car or car allowance
  • Paid expenses
  • 22 days holiday + bank holidays
  • Extra day annual leave for your birthday
  • Pension
  • Phone and laptop provided

How to apply:

Click apply or contact Jake Voisey on the details provided.

SER-IN

Fire Security Engineer
ARC Limited
London
In office
Junior - Mid
£40,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Fire Security Operative

Location: London
Salary: £43,719 per annum (inclusive of policy allowance) + Company Van and fuel card provided
Hours: 40 hours per week, full-time

We are currently working with a well-established organisation to recruit an experienced Fire Security Operative to cover a London-based property project. This is an excellent opportunity for a qualified fire and security professional looking for long-term stability, strong benefits, and varied work across life safety systems.

The Role

As a Fire Security Operative, you will join a specialist engineering team responsible for the maintenance, repair, and installation of fire and security systems across residential properties. The role is hands-on and customer-facing, with a strong emphasis on compliance and safety.

Key responsibilities include:

  • Servicing, maintaining, repairing, and installing fire alarm systems, fire extinguishers, emergency lighting, smoke vents, access control systems, fire shutters/curtains, and warden call systems
  • Ensuring all systems meet current British Standards and legislative requirements
  • Diagnosing faults and carrying out effective remedial works
  • Maintaining tools, equipment, and stock to a high standard

Skills & Experience Required

To be considered, candidates must hold relevant fire safety qualifications, including:

  • BS5839-1 and BS5839-6
  • NICEIC Fire Detection & Fire Alarm Systems Units 1, 5, and 6
  • NVQ Level 3 (or currently working towards this)
  • Full UK Driving Licence

Additional requirements:

  • Proven experience in a fire and security engineering environment
  • Strong knowledge of British Standards and fire safety legislation
  • Excellent fault-finding and problem-solving skills
  • Strong customer service and communication abilities
  • Full UK driving licence (company vehicle provided)

The Employer

Our client is a not-for-profit organisation providing in-house repairs and maintenance services across a diverse property portfolio. They are committed to inclusion, wellbeing, and making a genuine difference to people’s lives.

Benefits

  • 25 days annual leave plus bank holidays
  • Employer pension contributions
  • Life assurance
  • Employee Assistance Programme, including counselling
  • Cycle to Work scheme
  • Voluntary health plans
  • Employee discounts
  • Wellbeing tools and support
  • Employee recognition scheme
  • Inclusive employee networks

Application Process: If you would like more information on this position of a Fire Security Operative, or any other vacancy, please email your current CV through to or call Charlotte on 07791983686.

Maintenance Engineer
DAMICOR LIMITED
Feltham
In office
Junior - Mid
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Location, commutable from Feltham Hours: Days (7am 3:30pm) + On-call rota + Overtime available A fantastic opportunity has arisen for a Maintenance Engineer to work for an internationally renowned engineering solutions provider based around the Heathrow area. Skills required for the job Maintenance Engineer Maintenance and repairs on a range of automated conveyor equipment Carry out PPMs on conveyors and other automated equipment Electrical engineering Motors, sensors, fault finding etc. Mechanical motors, hydraulics, belts, fault finding and component replacements Must be able to get security clearance Willing to work on an on-call rota Company benefits Competitive + On-call payment + Overtime + benefits package Pension Scheme & Medical Excellent individual career development plans Commutable from: Feltham, Middlesex Other job titles Maintenance Engineer, Multi-skilled maintenance engineer, Maintenance Technician, Mechanical fitter, Shift electrician

Senior Software Engineer
Morson Edge
Greenford
Hybrid
Senior
Private salary
RECENTLY POSTED

Job Title: Software Engineer (Embedded Systems)

Key Responsibilities:

  • Design software solutions for embedded systems.
  • Implement and test software in both Assembler and C, including unit and continuous integration testing.
  • Implement, integrate, and optimize sonar signal processing algorithms.
  • Develop high-quality software solutions by writing efficient, maintainable, and well-thought-out code.
  • Load and test code on bespoke embedded hardware platforms.
  • Collaborate with verification teams for integration, defect analysis, and resolution.
  • Review design and code from peers, contributing to a culture of learning and feedback.
  • Contribute to software architectural design, preferably using UML and the Enterprise Architect tool.
  • Estimate workload and assist in building a backlog of work packages for progress tracking.
  • Progress assigned stories and tasks using Azure DevOps, participating in sprint planning and retrospectives.

Skills, Qualifications, and Experience:

  • Strong experience in Assembler development.
  • Solid expertise in C programming for embedded systems.
  • Proficient in embedded program design and signal processing techniques.
  • Experience in software/hardware integration and fault resolution.
  • Knowledge of UML design techniques for software architecture.
  • Familiarity with the full software development lifecycle.
  • Experience with FPGA and DSP hardware.
  • Python experience is a plus.

Security Clearance:

  • The role requires the ability to obtain UK Security Clearance (SC). If you do not currently hold SC clearance, you must undergo and achieve SC clearance as a requirement for this role.
  • Applicants must have resided in the UK for the last 3–5 years, depending on circumstances, and meet the necessary security vetting criteria.

Personal Attributes:

  • Ability to hold or currently hold UK SC clearance.
  • Must be within commuting distance of the office in Greenford.

Additional Benefits:

  • Optional 9-day fortnight.
  • Time Off In Lieu (TOIL).
  • Flexible working hours with a 1pm finish on Fridays.
  • Annual bonus based on role and level.
  • Hybrid working options available for some positions.
  • Casual dress code.
  • 25 days of holiday per year with the option to buy/sell holidays.
  • Christmas shut-down (three days of annual leave required).
  • Access to private healthcare, dental, critical illness insurance, and other benefits via salary sacrifice.
  • Discounts at over 200 online stores via Reward Hub.
  • Life insurance (4x annual salary).
  • Pension scheme with employer contribution starting at 5% (employee contributions from 4% to 70%).
Senior maintenance engineer
Arla Foods Plc
London
In office
Senior
Private salary
RECENTLY POSTED

Senior M&E Technician, Arla Oakthorpe Dairy

Things wed love to tell you about Arla

We are a farmer-owned cooperative, committed to ensuring farmers receive a fair price for their milk. Weve even experimented with waste powered trucks and built the worlds first 100% carbon-neutral dairy as part of our ongoing commitment to tackling climate change. We produce Lurpak, one of the worlds most iconic butter brands, and we are a Danish-owned global business operating across the UK, Europe, Asia, the Middle East, North America, South America and beyond.

Description

12 hour days and night shifts.

Are you ready to take on a senior engineering role at one of Arlas flagship dairies?

Were looking for a talented Senior M&E Technician to join our team at Oakthorpe Dairy, where youll work with state-of-the-art equipment and play a key role in keeping one of our most advanced sites running at its best. This is an opportunity to grow your career, take ownership of critical engineering activity, and contribute directly to Arlas continued success.

Youll be joining a fast-paced, highly skilled engineering team where no two days are the same and where your expertise will make a real difference, says the Oakthorpe Engineering Leadership Team.

How you will make an impact

As a Senior Multi-Skilled Engineer, youll provide essential support across the site, responding to breakdowns, delivering planned preventative maintenance, and ensuring our automated processing and packaging equipment operates safely and efficiently. Alongside your day-to-day responsibilities, youll contribute to continuous improvement initiatives and support project work that drives long-term site performance.

Your key responsibilities will include

  • Providing critical breakdown support and delivering planned preventative maintenance across processing and packaging equipment
  • Ensuring safe, efficient operation of machinery including pasteurisers, homogenisers, separators, fillers, cartoners, labellers, cappers, packers and blow moulding machines
  • Working with advanced systems such as palletisers, robots (Kuka), conveyor systems, vision systems and OEM equipment (Siemens, Krones, SPX Flow, Elopak, ISOMA, Hueft, Nepas, Grunwald)
  • Supporting CI initiatives and engineering projects to improve reliability and performance
  • Collaborating with colleagues across engineering and production to maintain a safe, compliant and high-performing environment

This role sits within the Engineering team at Arlas Oakthorpe Dairy.

What will make you successful?

Youll bring strong mechanical and electrical engineering experience from a fast-paced manufacturing environment, ideally within food, FMCG or process industries. Youll be confident working with complex machinery, proactive in your approach, and motivated by solving problems and improving performance. We work closely together at Oakthorpe and pride ourselves on a collaborative, supportive culture youll join a team that values knowledge-sharing, continuous improvement and technical excellence.

To succeed in this role, you will have completed a time-served apprenticeship, hold an NVQ Level 3, or bring equivalent experience gained in a fast-paced manufacturing environment. Youll have strong experience as a multiskilled engineer whether as a shift engineer, maintenance engineer or engineering technician with a solid background in both mechanical and electrical engineering across manufacturing, production or process settings. Ideally, you will also have experience working with fast-moving machinery, pumps, valves, hydraulics, pneumatics, three-phase motors, variable speed drives, inverter drives, sensors, relays, Siemens PLCs, site services such as steam, chilled water and compressors, as well as CIP systems. Strong computer literacy is also important, including familiarity with SAP, Microsoft Office, SCADA, Trend systems and HMIs.

What do we offer?

Were committed to your growth and development, offering internal and external training opportunities. Youll enjoy a competitive salary, 26 days holiday, matched pension contributions up to 6%, life assurance, and flexible benefits. At Oakthorpe, youll join a team proud of its high job satisfaction and steep learning curve, with plenty of challenges and support to help you succeed.

Would you like to join us?

If you want to make an impact and help shape the future of dairy, apply as soon as possible. We process applications on a continuous basis and will close recruitment once the right candidate is found.

Embedded Software Verification and Validation Engineer
Defence
London
Hybrid
Mid - Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

The company are a multi-national group, being No 1 in Europe for what they do! With a number of awards and recognitions, with great career progression and opportunities across the business!

Important: All applicants must be able to obtain Security Clearance and must hold British Nationality as their primary nationality.

Working: The role offers flexible working but does require engineers on site for 4 days per week and is a on secure site where SC clearance is needed.

Join a business at the forefront of innovation, with a lot to offer! A company backed by a record multi-year order book, offering long-term stability and sustained investment, with years of secured work ahead!

Are you an engineer who loves diving deep into complex embedded systems? Do you thrive on ensuring software is rock-solid, safe, and high-performing? This is your chance to join a cutting-edge engineering environment where your work directly shapes the reliability and performance of advanced technology.

You’ll play a key part in verifying and validating embedded software used in high-integrity, real-world applications. Expect to work across the full lifecycle from requirement analysis through to test execution and final qualification ensuring systems meet the strictest standards of safety, robustness, and functionality.

What you’ll be doing:

  • Designing and executing rigorous verification and validation strategies for embedded software.
  • Creating test plans, test cases, and automated test suites.
  • Performing both functional and non functional testing, including robustness, performance, and stress testing.
  • Collaborating closely with software, systems, and hardware engineers to ensure seamless integration.
  • Contributing to continuous improvement of test frameworks, tools, and methodologies.
  • Documenting results clearly to support technical reviews, audits, and certification activities.

Experience needed:

  • Strong experience in embedded software testing, V&V, or safety-critical systems.
  • A solid understanding of embedded C/C++, real-time systems, or low-level software behaviour.
  • Familiarity with structured test processes, requirements-based testing, and automated test environments.
  • Ability to interpret technical specifications and translate them into high-quality test artefacts.
  • A proactive mindset and passion for quality engineering excellence.

What’s in it for you:

  • A chance to work on highly innovative technology with real-world impact.
  • A collaborative environment where engineering excellence is at the heart of everything.
  • Opportunities for technical growth, training, and career development.
  • Competitive salary and comprehensive benefits package.
  • Hybrid working options supporting work-life balance.

Even if you feel like you don’t meet every requirement, we encourage you to reach out and apply.

BMS Commissioning Engineer
Talent Finder
London
In office
Mid - Senior
£400,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

BMS Commissioning Engineer | Essex / London | Full Time, 42.5 hours per week | Up to £400 per day (or PAYE equivalent, depending on experience)

Our client, a Building Management System (BMS) company, is currently seeking a BMS Commissioning Engineer to join their team. The design, installation, and maintenance of BMS, including HVAC and industrial networking solutions, require a workforce with diverse and highly specialised skill sets. Since its establishment in 2000, the company has grown steadily, developing a strong reputation and expanding its role as a trusted expert in Building Management Systems.

Are you the right person for the job?

  • Strong experience with BMS/HVAC systems and control routines
  • Have at least 5 years experience with Tridium Niagara N4, preferably 10 years
  • Proficient with Tridium Niagara N4, including software fault-finding and modifications
  • Ability to read and interpret control panel wiring schematics and manufacturers’ literature
  • Skilled in BACnet, Modbus, and MBus integration and networking
  • Confident using Excel, Word, Outlook, and Adobe, and familiar with basic networking (Ethernet/CAT6)
  • Excellent attention to detail, documentation, and communication skills
  • Holds a valid ECS trade card and CSCS Health & Safety certification
  • Tridium N4 certification and BCIA BCM001–006 courses (preferred)

What will your role look like?

  • Commission BMS systems and carry out software and graphics modifications as required
  • Conduct functional system checks and point-to-point testing to verify installations
  • Support client demonstrations, training, and project handovers
  • Maintain detailed and accurate commissioning documentation, including test sheets and snag lists
  • Ensure Health & Safety compliance at all times while maintaining a professional working environment
  • Collaborate closely with Project Managers, Commissioning Leads, and Technical Services teams to ensure smooth project delivery

What can you expect in return?

  • Immediate start available for the right candidate
  • Day rate up to £400, depending on experience (PAYE option also considered — please advise your expected rate)
  • Opportunity to work on a prestigious, high-spec data centre project using cutting-edge technologies
  • Collaborative working environment with a strong focus on quality, safety, and technical excellence
  • Potential for long-term engagement or future project opportunities with a respected, growing organisation

What’s next? It’s easy! Click “APPLY” now! We can’t wait to hear from you!

Your data will be handled in line with GDPR

Shift Engineer
Jenrick Engineering
London
In office
Junior - Mid
£55,000
RECENTLY POSTED

As the Reliable Shift Engineer, you are the backbone of high-speed FMCG production site, where every minute of downtime has a direct operational and commercial impact.

This is a hands-on role within a high-volume manufacturing environment, working on a rotating continental shift pattern.

You (Reliable Shift Engineer) will be responsible for ensuring the reliability and performance of production and packaging equipment.
Key responsibilities include:
* Maintaining, fault-finding, and optimising high-speed production and packaging machinery
* Troubleshooting mechanical and electrical faults to minimise downtime
* Carrying out planned preventative maintenance (PPMs)
* Responding quickly and effectively to breakdowns to support production targets
* Driving continuous improvement to improve efficiency and reliability

The Successful Reliable Shift Engineer,
* Experience within an FMCG, food, beverage, or high-speed manufacturing environment or general manufacturing
* An NVQ Level 3 (or equivalent) in Electrical / Mechanical Engineering
* Good working knowledge of PLCs, automation, conveyors, and packaging lines
* Strong problem-solving skills and the ability to work effectively under pressure
* A proactive, team-focused approach with a strong safety mindset

Senior Service & Maintenance Engineer
Smart Search Technical Ltd
North West London
In office
Senior
£50,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

CCTV & Access Control Focus
£46,000 £50,000 basic DOE
London Site Based
Permanent, Full-Time

Im recruiting for a Senior Service & Maintenance Engineer to support a well-established, high-quality electronic security integrator operating across commercial and construction environments in London.

This role is ideal for an experienced engineer who enjoys complex fault finding, taking ownership of live systems, and being trusted as the senior technical point on site. Youll be responsible for keeping critical fire and security systems operational, compliant and reliable, while acting as a calm, professional presence with clients.

This is a hands-on senior role with no people management focused on technical excellence, autonomy and long-term system performance.

The RoleAs a Senior Service & Maintenance Engineer, youll take ownership of both planned preventative maintenance and complex reactive faults across a varied client portfolio.

Youll be trusted to investigate issues thoroughly, identify root causes, carry out effective repairs and recommend sensible remedial or upgrade solutions where required.

Your day-to-day will include:

  • Planned preventative maintenance across fire & security systems
  • Diagnosing and resolving complex or recurring faults
  • Servicing live systems including CCTV, Access Control, Intruder and Fire Alarms
  • Root-cause analysis to reduce repeat call-outs and downtime
  • Repair, replacement and recommissioning of equipment
  • Producing accurate, audit-ready service documentation
  • Acting as a senior, client-facing technical representative
  • Advising clients on system condition, risks and next steps
  • Supporting installation and commissioning teams where servicing expertise is required
  • Participating in an on-call rota as an escalation-level engineer

This role plays a key part in maintaining system integrity, client confidence and long-term service relationships.

Technical Scope

  • CCTV, Access Control, Intruder and Fire Detection systems
  • Preventative maintenance, diagnostics, repair and recommissioning
  • Legacy and modern platforms
  • IP-based environments including networking fundamentals
  • Live, operational sites where accuracy and reliability are critical

Location & Travel

  • London-based client sites
  • Role designed around public transport travel
  • Monthly travel costs covered (Zones 12)
  • No company vehicle required

What Theyre Looking For

  • Minimum 5 years experience servicing electronic security systems
  • Strong fault-finding and diagnostic capability
  • Solid knowledge of CCTV, Access Control, Intruder and Fire systems
  • Familiarity with BS5839, BS7671 and industry codes of practice
  • Confident, professional client-facing communication
  • Ability to manage workload and priorities independently
  • Strong commitment to health & safety
  • Ability to pass background vetting / BPSS or SC clearance

Desirable but not essential:

  • IP networking knowledge
  • Level 3 (or higher) electrical/electronic qualification
  • ECS / CSCS card
  • FIA modules or fire systems training
  • Manufacturer training (e.g. Paxton, Avigilon, Gallagher, Salto, Texecom, Hikvision)

Salary & Package

  • £46,000 £50,000 basic salary
  • Paid on-call rota
  • Monthly travel costs covered
  • Company phone, tools, uniform and PPE
  • Fully funded, role-relevant training and certifications
  • Employee ownership scheme (after qualifying period)
  • 20 days holiday plus bank holidays

Why This Role?

  • Senior, respected servicing position
  • Complex, technically interesting systems
  • Autonomy and trust on site
  • Strong training and standards
  • Long-term stability within a quality-driven environment

If youre a Senior Service / Maintenance Engineer who enjoys solving problems properly and being relied on for your technical judgement, Id be happy to talk through the role in confidence.

Senior GPU Engineer
Platform Recruitment Limited
London
Remote or hybrid
Senior
£100,000
RECENTLY POSTED

Title: Senior Software Engineer (GPU Drivers)

Company: AI Acceleration

Location: London (very flexible WFH)

Pay: Up to £160,000 + bonus and benefits

Company:

An advanced HPC R&D firm, looking to expand their GPU Driver team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because they get more flexibility and have more challenging/interesting work to do as the team is significantly smaller, with highly technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring.

Role:

Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built around you, and significant hires have already been made. You will develop, optimise and maintain their GPU driver stack, focusing on the performance and efficiency of graphics and compute workloads on cutting-edge GPU architectures.

About you:

  • 2 years+ in GPU Driver Development
  • Strong C++ or C programming skills
  • Experience with OpenCL or Vulkan

Full details are available. Please don’t hesitate to get in touch.

Embedded DSP / FPGA Engineer
Sanderson Recruitment
London
In office
Senior
Private salary
RECENTLY POSTED

Sanderson are currently working with a client who are looking to grow their Embedded Software Engineering team.

You will be designing and implementing real time system software around RF communications and sensors. This senior engineering role combines hands-on detailed design with technical team leadership.

Job Purpose & Key Responsibilities

As an embedded software engineer your responsibilities could include:

  • Capture of embedded software requirements, software design and test / verification processes for efficient real time systems from R&D concept through to the full product development lifecycle
  • The implementation of bespoke data processing and control schemes.
  • Understanding and applying new and emerging technologies inclusive of algorithm techniques

Essential skills will include

  • Strong skill set in C and/or C++ for embedded development and associated operating systems
  • Collaboration with cross-functional teams to deliver full lifecycle developments
  • Knowledge of latest System on Chip devices, Software Defined Radio platforms and open-source frameworks
  • Good understanding of Digital Signal Processing algorithms and experience of modelling or simulation algorithms

This role will require eligibility to be clearable to DV Clearance

If you’re interested in the above, apply or reach out to

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

FPGA Design Engineer
Platform Recruitment Limited
London
In office
Mid - Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

FPGA Design Contract - Space Manufacturing

London Based

My client is working in partnership with one of the worlds leading space manufacturing organisations and is looking for an experienced FPGA Engineer to join a short-term contract on a high-impact space project.

Key Responsibilities:

  • Perform FPGA design for a space-flight systems
  • Develop and maintain verification testbenches
  • Conduct code review and sign-off activities
  • Support final readiness activities in a high-reliability / space environment
  • Collaborate closely with the existing engineering team and key stakeholders

Required Experience:

  • Strong experience as an FPGA engineer using VHDL/Verilog

  • Experience working with high-reliability, space, defence, or safety-critical systems

  • Ability to quickly understand and adapt existing FPGA designs

  • Experience with Microchip RTAX (radiation-tolerant, OTP) FPGAs is a big bonus

If this sounds like you, please apply!

Water Treatment Equipment Engineer
JS Selection
London
In office
Mid
£40,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Water Treatment Equipment Engineer London / South East Salary: £40,000 £43,000 basic + bonus + company vehicle + full package

Join a global leader in water treatment technology! Are you an experienced Water Treatment Engineer or Equipment Engineer looking to take your career to the next level? This is your chance to join a world-class manufacturer known for innovation, award-winning equipment, and exceptional employee development.

Youll work with state-of-the-art water treatment systems across the South East, supported by industry-leading training and genuine opportunities to progress your career.

The Company

  • A global water treatment manufacturer recognised for quality, innovation, and sustainability.
  • Offers a family-feel working environment with excellent career prospects.
  • Award-winning products and leadership.
  • Regularly reinvests in people, technology, and equipment to help you succeed.
  • JS Selection has placed several engineers here and every one of them rates it highly!

The Role Water Treatment Equipment Engineer

  • Service, maintain, and repair industrial water treatment systems including softeners, RO systems, chlorine dioxide units, and dosing equipment.
  • Work across multiple industries such as healthcare, food & beverage, and manufacturing.
  • Field-based position covering London and the South East (around the M25).
  • Receive comprehensive technical training, mentoring, and ongoing professional support.

About You

  • Experience as a Water Treatment Engineer, Service Engineer, or Equipment Engineer.
  • Skilled in maintaining and troubleshooting industrial water treatment equipment (softeners, RO, dosing systems, etc.).
  • Professional, proactive, and keen to develop your skills.
  • Based within commutable distance of the M25 or Central London.

Whats on Offer

  • £40,000 £43,000 basic salary
  • Bonus + Company Vehicle (car or van) + Pension + Laptop + Mobile Phone
  • Excellent training and development opportunities within a global organisation.
  • Supportive, collaborative culture with long-term career potential.

Apply Now For an immediate interview, click Apply Now or contact Jon at JS Selection.

JS Selection specialises in recruitment for the Environmental, Water Treatment, and Engineering sectors covering roles such as Service Engineer, Sales Engineer, Account Manager, and Operations Manager.

If you dont hear back within 7 days, your details will be retained for future suitable vacancies.

Senior Software Engineer
Sanderson Government and Defence
London
In office
Senior
Private salary
RECENTLY POSTED
+2

The role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of internal and external stakeholders. Depending on individual strengths and experience, the role may focus on either modern user interface design and implementation or embedded software development.

For candidates with leadership or line management experience, the position may also include responsibility for managing and supporting team members, reporting on performance, and assisting with resourcing and development.

Responsibilities:

  • Producing detailed designs for product software components
  • Implementing and testing software as part of an agile development team
  • Developing a strong understanding of existing electronic warfare, sensor, and communications products, as well as future development plans
  • Contributing to system architecture and continuous improvement initiatives

Candidates should demonstrate:

  • A BEng/BSc and/or Master’s degree in Engineering, Computer Science, Information Systems, or a related discipline
  • Knowledge of sensor and communication systems
  • Experience across the full software development lifecycle, from research and concept through to product delivery
  • Understanding of modern software architecture practices
  • Experience with scientific or signal processing applications, including algorithm development
  • Proficiency in multiple programming languages, such as C++, C#, and Python, with the ability to switch between them effectively
  • Familiarity with agile development methodologies, including Scrum and Kanban
  • Experience using modern development tools, including Git, GitLab, and Visual Studio Code

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Android Platform Engineer
Sanderson Government and Defence
London
Remote or hybrid
Mid - Senior
Private salary
RECENTLY POSTED
+2

The Android Platform Engineer will be responsible for:

  • Designing, developing, and testing bespoke Android software components
  • Working across the full Android stack, including applications, platform services, and system-level code
  • Collaborating with cross-functional teams to deliver reliable, high-quality software
  • Investigating, troubleshooting, and optimising performance and security issues
  • Contributing to software architecture decisions and promoting best practices for Android development

Candidates should demonstrate:

  • Strong experience in Android app development using Java and Android Studio
  • Exposure to Android or Linux internals
  • Proficiency in low-level coding languages, such as C and C++
  • Understanding of software development lifecycle, testing, and version control (e.g., Git)
  • Familiarity with agile development methodologies, such as Scrum or Kanban
  • Ability to solve complex, technical problems independently and collaboratively

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

IC Design Engineer
Platform Recruitment Limited
North West London
Remote or hybrid
Mid - Senior
£60,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

London IC/Hardware Design Engineer - Remote My client is an innovative semiconductor company at the forefront of high-performance chipset development, seeking a bright IC Hardware Design Engineer to join their growing team. With a strong global presence and access to an overseas foundry and manufacturing, this is an opportunity to work pre-silicon to tapeout on next-generation chip architectures in areas like memory, interconnect, and high-speed interface design. Key Responsibilities: + Develop and Integrate designs of RTL for digital blocks (using Verilog/SystemVerilog/VHDL) + Undertake Digital IC Design processes & Perform design synthesis, linting + Complete projects from conception to completion Skills Required: + Experience with frontend RTL Design + Strong Experience with SystemVerilog, Verilog or VHDL + Has had exposure to ASIC design flow (Lint, syntheisis, simulation) + Digital Design Principles experience pipelining, clock domain crossing Further Details: This role offers remote working with a potential visit into the office every month. A competitive salary, bonus scheme, and a strong benefits package. If you are a driven and experienced IC Design Engineer looking to make an impact in a growing company, please apply with an updated CV.

Embedded Engineer
SR2
London
Hybrid
Mid - Senior
£500/day - £550/day

Contract Embedded Software Engineer London | Outside IR35 | £550 per day | Hybrid This contract sits within a highly capable engineering SME working on advanced, safety-critical embedded systems. The work is discreet by nature and requires engineers who are comfortable operating in environments where technical depth, pace and trust matter. You'll be joining a small, experienced team delivering embedded software that interacts directly with real hardware. The focus is on robust, production-quality code, not prototypes that never leave the lab. What you'll be doing Developing embedded software in C/C++ Working close to hardware, supporting bring-up and integration Debugging and fault-finding at system level Collaborating directly with experienced engineers across disciplines Contributing to systems where reliability and performance are non-negotiable What you'll bring Strong background in embedded software engineering Comfortable working across the full development lifecycle Experience with Linux or RTOS environments Confident debugging complex hardware/software interactions Eligible for Security Clearance (or already hold it) Contract details £550 per day, outside IR35 London-based, hybrid working Initial contract with extension potential Apply for a confidential conversation

Software Engineer (Flight Software)
DCS Recruitment Limited
London
In office
Mid - Senior
£55,000 - £65,000

Flight Software Engineer - Robotics & Autonomous Systems Up to £65,000 + Excellent Benefits | Full-Time | Permanent (Anonymous Client - Cutting‑Edge Robotics Start‑Up) Are you excited by the challenge of building safety‑critical software for next‑generation autonomous systems? Our clientm, an innovative, fast‑growing robotics start‑up, is seeking a Flight Software Engineer to help develop advanced assurance and autonomy systems used across AI‑enabled robotic platforms. This is an opportunity to work on genuinely groundbreaking technology within a mission‑driven organisation shaping the future of autonomous safety. The Role As a Flight Software Engineer, you will design and build core robotics software components that enable safe, predictable, and high‑performance operation of autonomous systems. You'll work across perception, planning, control, and decision‑making, collaborating with experts in embedded engineering, AI/ML, and systems architecture. You will play a key role in developing software that meets the highest safety standards,rigorously tested, deeply validated, and engineered for real‑world, high‑stakes applications. Key Responsibilities Develop robotic software algorithms for perception, planning, control, and decision‑making across the autonomy stack. Collaborate closely with cross‑functional teams to integrate components into complex robotic systems. Conduct robust testing, optimisation, and validation to meet strict safety and performance requirements. Improve development processes, tools, and methodologies to support high‑reliability robotics engineering. Stay up to date with the latest advances in robotics software and apply innovative techniques to production systems. Mentor junior engineers and support team growth. Skills & Experience Degree in Computer Science, Robotics, Aerospace, Electrical Engineering, or related field. Proven experience developing software for robotics or autonomous systems, ideally safety‑critical or mission‑critical. Strong proficiency in C/C++ and Python, with hands‑on experience in robotics frameworks (e.g. ROS, Gazebo, MoveIt). Strong understanding of algorithms in perception, motion planning, control, and decision‑making. Experience with development practices such as Agile, CI/CD, TDD. Knowledge of safety‑critical standards (e.g. DO‑178C, ISO 26262, IEC 61508) is beneficial. Excellent debugging, problem‑solving, communication, and teamwork skills. Ability to obtain UK Security Clearance (SC). Working Culture This role suits someone who enjoys the pace and ownership of a start‑up environment. You'll thrive if you: Love solving complex technical challenges Enjoy working collaboratively and adapting quickly Are comfortable wearing multiple hats as the company scales Embrace responsibility and want to help build something from the ground up Can commit to occasional extended hours during key phases - not as standard, but because progress matters Benefits Salary sacrifice pension with 5% company match Generous holiday allowance EV car scheme Cycle to Work More benefits planned as the business continues to scale DCS Recruitment and all associated companies are committed to creating a working environment where diversity is celebrated and everyone is treated fairly, regardless of gender, gender identity, disability, ethnic origin, religion or belief, sexual orientation, marital or transgender status, age, or nationality

Audio Machine Learning Engineer
Enterprise Recruitment Ltd
London
Remote or hybrid
Mid - Senior
£50,000 - £90,000

A growing technology team is developing a new generation of intelligent, audio-driven products designed to interpret real-world acoustic environments and generate meaningful insight. As development accelerates, they are seeking an Audio Machine Learning Engineer to shape how sound is analysed, classified, and translated into useful information across edge and cloud platforms.

The Opportunity Working alongside embedded, hardware, and software specialists, you will contribute to the full lifecycle of audio intelligence, from dataset strategy and model design through to optimisation and deployment.

The role offers genuine ownership and the chance to influence core technology within a product-focused engineering environment.

Required:

Core experience

  • Strong grounding in audio machine learning or applied signal processing
  • Experience training and evaluating models using modern ML tooling
  • Awareness of real-world acoustic challenges such as noise, reverberation, and variability
  • Comfort working in a small, fast-moving engineering team
  • Likely a PhD or MSc + some industry experience

Beneficial

  • Edge or embedded ML optimisation
  • Audio feature extraction or DSP knowledge
  • Postgraduate study in a relevant technical discipline
  • Experience with sensing, monitoring, or real-world data systems
Device configuration and repair
Interaction Recruitment
Hatfield
In office
Junior - Mid
£16/hour

FLS Engineer Grade 2

Location: Maintenance Service Centre, 2nd Floor, Hatfield

Pay: 15.99per hour + & x2

6 months rolling contract

Hours: Shifts between the hours 07 00 (7.5hrs Shift) with 30 Minutes Lunch flexibility on hours may be requested

Your duties will include: - Filtering, visually inspecting, testing and cleaning various device types of IT equipment Including, Laptops, Desktops, Screens, Handheld and Mobile devices etc.

Carrying out configuration software builds and repairs on various customer devices. Work includes software builds, software updates, repairs, diagnostic fault finding and preparing kit to be shipped to various customers. The right candidate will have experience in configuration software builds, problem solving and fault finding, Laptop and Desktop repairs, be familiar with software and hardware components of tablets, desktops and laptops. Logging issues and closing calls on the company computing system.

Liaising with internal teams whilst building relationships. You will escalate any issues to the supervisor that may affect delivery to our customers, you will be extremely well organised in your approach to asset tracking and traceability of those assets. You will be an excellent communicator and deliver against the core values of Field and Lifecycle Services. You will embrace change and be an advocate of our values.

Main Responsibilities

  • Troubleshooting incidents, software and hardware
  • Resolution of software and hardware issues (laptop, desktop, mobile devices)
  • Installation of spare parts and configuration of laptops, desktops and Tablets
  • Organising, analysing and handling of tickets in the company computing system.
  • Preparing new and repaired hardware
  • Carry out warranty repairs to OEM standards following contractual agreements in accordance with ASP.
  • Escalating any potential customer SLA impacts to the relevant teams.
  • Staging laptops and PC’s with pre-defined builds
  • General housekeeping to locate and eliminate causes of backlogs to provide continuous and fluent service to our customers.
  • Assistance in specific tasks where prompt investigation and resolution are required.
  • Maintaining a functional and accurate location system to ensure precise asset management.
  • 6S Implementation and ongoing maintenance into the workshop
  • Flexibility of workload to assist in all areas of the Maintenance and Service Centre to avoid backlogs and to maintain achievement of SLA s is essential.
  • Must be able to work on their own initiatives and prioritise workloads.

The Ideal Candidate

  • Excellent Administration and communication skills, both written and oral
  • Previous knowledge of Microsoft applications
  • Has held or able to attain up to date accreditations with all major manufacturers including HP, Dell, Apple, Lenovo etc.
  • Previous experience of supporting Mobile devices and hand-held devices
  • Good administrative experience, attention to detail, ensures accuracy of data, provides data for reporting and processing of information.
  • Previous experience working in a corporate IT environment is an asset.
  • Excellent time management and organisational skills
  • Willing to take initiative and be hands-on.
  • Experience in building effective relationships and Team working.
  • A confident, professional, positive, and proactive approach
  • Forward thinking and offer efficient ways of working.
  • Able to coach and mentor team members and new starters into the business.
  • Previous experience of Enterprise maintenance.
  • Able to adapt, grow and self-educate at pace to meet the ever-demanding needs of the service.
  • Able to gain government SC clearance.

IND/LET

Please call Steve on (phone number removed)

Automation Engineer
TDRS
Watford
In office
Junior - Mid
£35,000 - £40,000
TECH-AGNOSTIC ROLE

Security & Entrance Systems Installation Engineer
40,000 (37.5 hour week)
North London

An international supplier of high security entry systems is currently going through a period of substantial growth and is, therefore, looking to expand its installation department. There are openings available for an additional Engineer, sitting in the installation team within the NorthLondon region.

The package on offer includes a basic salary of up to 40,000. With contracted hours of 37.5 per week, this works out at just shy of 21 per hour.

The successful Engineer(s) will be responsible for:

  • Installing a wide range of equipment including Portals, Pods, Revolving Doors, Speed Lanes, Turnstiles, Gates, Barriers, Access Control, and CCTV Systems
  • Electrical wiring
  • Adhering to industry health and safety guidelines
  • Providing customers with advice and identifying the best solution to their individual requirement

The successful Engineer(s) will:

  • Hold a clean driving licence
  • Hold a valid CSCS Card
  • Have electrical, mechanical, and electronic engineering experience
  • Have experience working on including Portals, Pods, Revolving Doors, Speed Lanes, Turnstiles, Gates, Barriers, Access Control, and CCTV Systems
  • Be willing to work outside of normal working hours
  • Be willing to travel to all UK regions
  • Have excellent verbal and written communication skills

In return, you will receive an excellent remuneration package which includes:

  • Basic Salary 35,000 - 40,000
  • 5 hour working week
  • Weekday overtime paid at 1.5 for any hours above 7.5 per day including travel
  • Saturday overtime paid at 1.5
  • Sunday overtime paid at 2.0
  • Discretionary bonus
  • Company van
  • Power tools and hand tools
  • Meal allowance
  • 28 days holiday, this is currently under review and may be increasing in the near future
  • Tool card and fuel card
  • Overnight allowance for occasional staying away
  • No call out rota
  • Expected earnings between 55,000 - 62,000
  • Death In service (3 x salary)
  • Healthshield plan (Cash back on opticians, dentists etc)

Please note, if your application is suitable, one of our consultants will call you within 5 working days. If you have not heard from us within this time, your application has unfortunately been unsuccessful, however we will keep your details on our talent management system to consider you for future opportunities.

Frequently asked questions
London offers a wide range of Firmware Engineer roles including embedded systems development, IoT firmware design, automotive firmware engineering, and more, catering to both startups and established tech companies.
Typical skills include proficiency in C/C++, embedded systems programming, knowledge of RTOS, hardware interfacing, debugging, and experience with microcontrollers. Familiarity with industry standards and communication protocols is also beneficial.
Yes, many London-based companies offer remote or hybrid working arrangements for Firmware Engineers, providing flexibility while working on cutting-edge projects.
Salary ranges vary based on experience and company, but Firmware Engineers in London typically earn between £45,000 and £75,000 per year, with senior roles offering higher compensation.
Building a strong portfolio of embedded projects, gaining relevant certifications, networking with local tech communities, and staying updated with the latest firmware development trends can significantly boost your job prospects.