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Overview
Looking for top Firmware Engineer jobs? Explore the latest firmware engineering opportunities on Haystack, your trusted IT job board. Whether you're a seasoned firmware developer or just starting out, find roles that match your skills in embedded systems, hardware programming, and device integration. Start your next career move today with Haystack’s curated firmware engineer job listings.
B1 Licenced Aircraft Engineer
Future Engineering
Belfast
In office
Mid - Senior
£85,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Aircraft Engineer

Belfast

£84,000-£88,000 + Benefits Package + Overtime + Family Feel Team + Pension + Immediate Start

Fantastic opportunity to progress your career with a national company that prides themselves on safety, reliability, and exceptional service in the aerospace industry. As they continue to expand and evolve, they are seeking a highly skilled and dedicated Aircraft Engineer to join their expert team. This is a fantastic opportunity for an individual with experience in aircraft maintenance and safety systems to work with a leading service company that offers excellent benefits, opportunities for professional development, and a supportive work environment!

As an Aircraft Engineer, you will be responsible for performing maintenance on various types of aircraft, focusing on both safety systems and general aircraft maintenance. This company offers a competitive salary with plenty of overtime with great opportunities for career growth and progression within the company. Enjoy a supportive and inclusive company culture where your contributions are valued and you can get type training.

Your Role As An Aircraft Engineer Will Include:

  • Scheduled maintenance on aircrafts
  • Shift work
  • Working on safety systems and defects

The Successful Aircraft Engineer Will Have:

  • Hold a valid B1/B2 Aircraft Engineer Licence
  • Completed any type rating course (will train on the rest)
  • Experience with Boeing and Airbus - ideal
  • Commutable to Belfast Airport

If you are interested in this position please contact Georgia on 07458163040

Keywords: Licenced Aircraft Engineer, B1/B2 Engineer, aircraft maintenance, safety systems, CAA part 145, type trained, airbus, boeing, Defects, belfast, lisburn, northern ireland

This vacancy is being advertised by Future Engineering Recruitment Ltd. The services of Future Engineering Recruitment Ltd are that of an Employment Agency.
Please visit our website to view other positions we are currently handling. Future Engineering Recruitment Ltd can only accept applications from candidates who have a valid legal permit or right to work in the United Kingdom.
Potential candidates who do not have this right or permit, or are pending an application to obtain this right or permit should not apply as your details will not be processed.
We will endeavour to respond to all applicants however due to the sheer volume of response, we can only guarantee that candidates who have been shortlisted will be contacted.

Embedded Software Engineer
Bright Purple Resourcing
Edinburgh
Hybrid
Mid - Senior
£50,000
RECENTLY POSTED

Embedded Software Engineer - Edinburgh (Hybrid once per week)
A pioneering technology company is looking for an Embedded Software Engineer to join its dynamic engineering team.
This is an exciting opportunity to contribute to state-of-the-artproducts, supporting both current systems and next-generation innovations.
What Is In It For You

  • Salary up to £50,000
  • Flexible working with once a week into the office
  • 33 days annual leave
  • Birthday off
  • Generous pension package;
  • Excellent health benefits

Role Overview You will be responsible for the development and maintenance of embedded software systems, enhancing a sophisticated, high-performance codebase. Collaborating with engineers from multiple disciplines, youll play a pivotal role in product development, innovation, and research initiatives.

  • Develop, test, and enhance embedded software systems
  • Maintain and optimise existing products, including processing engines
  • Collaborate with a multidisciplinary team on R&D and product design
  • Document testing, calibration, debugging, and fixes

What Were Looking For

  • Strong C/C++skills, multi-threaded programming experience on Linux
  • Experience with embedded Linux, drivers, TCP/IP communications, and board-level protocols (USB, I2C, SPI, RS232)
  • Familiarity with REST APIs, WebSockets, and JavaScript/Node.js
  • Agile development experience and version control (Git/SVN)
  • Self-motivated, proactive, and excellent communicator

Why Join?
Work on cutting-edge imaging technology in a collaborative, forward-thinking team, with the chance to influence product direction and grow alongside a rapidly expanding company.

Bright Purple is an equal opportunities employer: we are proud to work with clients who share our values of diversity and inclusion in our industry.

Electrical Engineer
Silvergate Plastics
Wrexham
In office
Mid
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Electrical Engineer (with Mechanical Skills)

Wrexham, North Wales, Competitive Salary, Days + On Cal

Were looking for an experienced Electrical Engineer with strong mechanical abilities to join our industrial team in Wrexham. Ideal candidates will have experience in manufacturingespecially plasticsand be confident working with control panels, automation, and industrial machinery.

What Youll Do

  • Electrical & mechanical maintenance (planned + reactive)
  • Fault finding on industrial machinery
  • Work with control panels and automated systems
  • Support improvement and upgrade projects
  • Participate in an on call rota

What Youll Need

  • Electrical engineering qualifications (NVQ 3 / HNC / HND / Degree)
  • Industrial experience (plastics preferred)
  • Strong problem solving skills
  • Mechanical knowledge
  • 18th Edition preferred

What You Get

  • Competitive salary
  • Day shifts + on call allowance
  • A stable, growing industrial environment

Application Process:

We reserve the right to close the campaign early if the right candidate is found.

To apply for this role, please email your completed CV and covering email.

Multi Skilled Engineer
Eko Talent
UK
In office
Mid - Senior
£60,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

DAY SHIFT

£60,000 Basic Salary + Company Benefits + Overtime

Our client, a leader in the FMCG manufacturing , are seeking skilled Multi Skilled Engineers to join their technical and engineering team. This is an exciting opportunity to be part of a forward-thinking company.

The main responsibilities of the Multi Skilled Engineer will include.

  • An electrical and mechanical maintenance focus across all production operations
  • Take a leading role within the engineering team to provide technical support
  • Ensuring machinery is maintained and fully functional - automated machinery, robotics, conveyer systems - mechanical, electrical, hydraulics, pneumatics.
  • Continually developing to improve operations to drive improvements in quality, cost and safety.
  • Assisting production with machinery problems and setups, providing relevant training when appropriate.

If you are interested in this Multi Skilled Engineer role, please submit an up-to-date CV through this advert or call the Eko Talent on 0331 6304 666.

Lead Acoustic Systems Engineer
Gerrell & Hard
Farnborough
In office
Senior
Private salary
RECENTLY POSTED

Lead Subsea Acoustics Engineer
Near Farnborough
£Competitive + Bonus + Great Benefits

Were seeking an innovative Lead or Principal Engineer to guide the development of next-generation underwater positioning and communication systems.

This is a high-impact technical leadership role at the intersection of acoustics, embedded systems, and subsea engineering delivering reliable, secure, and intuitive solutions that support exploration, defence, and offshore energy operations worldwide.

As part of the engineering leadership team, youll define technology strategy, coordinate multi-disciplinary teams, and help shape the future of underwater navigation and communication.

What Youll Do

Lead the design, development, and deployment of advanced underwater acoustic positioning and communication technologies (USBL, LBL, and related systems).

Collaborate with hardware, software, and systems engineers to deliver high-performance embedded solutions.

Develop and maintain technology roadmaps that align with company and product strategy.

Analyse complex acoustic and system data to optimise performance and reliability.

Mentor engineers and scientists, fostering technical excellence and innovation.

Represent the engineering function at customer reviews, technical forums, and industry conferences.

Ensure all products meet the highest standards of robustness, usability, and interoperability.

About You

Youre a hands-on technical leader who enjoys tackling complex acoustic and systems challenges.

You combine deep technical expertise with the ability to inspire, guide, and communicate across diverse teams.

Essential Skills & Experience

Degree (or higher) in Engineering, Physics, Applied Mathematics, or a related field.

5+ years of experience working with underwater acoustic systems (e.g., USBL, LBL, sonar, or acoustic communications).

Strong background and knowledge of embedded systems development (C/C++, Linux RT, DevOps tools).

Demonstrated understanding of acoustic navigation principles and signal processing.

Proven experience leading or mentoring cross-disciplinary technical teams.

Excellent communication and documentation skills able to convey complex ideas clearly and confidently.

Nice to have

Experience in subsea robotics, oceanography, or defence applications.

Proficiency with modelling, simulation, or data analytics for acoustic systems.

Familiarity with agile development and continuous integration workflows.

Whats on Offer

Join a forward-thinking engineering organisation developing technologies that enable safer, smarter, and more connected oceans.

Youll work with cutting-edge systems, from early-stage research to real-world trials, in a supportive environment that values technical curiosity and collaboration.

We offer:

Competitive salary and benefits

Opportunities for travel, field trials, and applied research

Professional development, mentoring, and career progression

This position would suit a Lead or Principal Engineer who has drive, ambition and a desire to lead from the front. Youll be solutions focused and be able to demonstrate what needs to be done in order to achieve the bigger picture.

Senior FPGA Design Engineer
Sanderson Government and Defence
Derby
In office
Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

The suitable applicant will meet the following minimum requirements:

  • A thorough understanding of FPGA concepts and hardware design.
  • Proficiency in VHDL design toolsets and verification suites.
  • Experience of developing complex FPGA architectures and design solutions.
  • Requirements capture and development
  • Conduct FPGA synthesis, place and route, and timing closure to meet performance targets.
  • Developing supporting software to maximise the efficiency of the FPGA design lifecycle, e.g. test scripts.
  • Troubleshoot and debug FPGA designs, identifying and resolving issues in a demanding environment.

It will be beneficial if you meet any or all the following additional requirements:

  • Experience with version control e.g. Git/SVN
  • Experience with tool chain scripting e.g. tcl/python.

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.

Service Engineer
Wallace Hind Selection
Swansea
In office
Junior - Mid
£42,000 - £45,000
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Are you an experienced Multi-Skilled Site Engineer or Service Engineer, looking to spend less time on the road and concentrate your efforts on one manufacturing site? Do you have experience in manufacturing or industrial environments? This is a fantastic opportunity to develop your career with a worldwide packaging business. BASIC SALARY: £42,000 - £45,000 BENEFITS:· Annual bonus, depending on Company Performance. · Pension (3% Employer Contribution). · 25 days annual leave (plus Bank Holidays). · Free onsite parking. LOCATION: Swansea COMMUTABLE LOCATIONS: Neath, Cardiff, Bridgend, Newport, Llanelli, Port Talbot. JOB DESCRIPTION: Multi-Skilled Site Engineer, Site Engineer, Maintenance Engineer, Service Engineer - Packaging, Industrial, Manufacturing Plant As our Multi-skilled Engineer, you'll be responsible for providing maintenance, repair, and improvement activities working out of our busy manufacturing environment in Swansea 5 days per week, (7am - 4pm Mon - Thurs and 7am - 1pm Fri). The role involves performing both planned and unplanned maintenance to ensure machinery and equipment are maintained and operational, while supporting new developments and installations as required KEY RESPONSIBILITIES: Multi-Skilled Site Engineer, Site Engineer, Maintenance Engineer, Service Engineer - Packaging, Industrial, Manufacturing Plant Your duties and responsibilities will include: · Delivery of mechanical and electrical fault finding, diagnosis, and repairs on relevant equipment. · Prioritise and conduct all maintenance tasks. · Implement and develop new processes to resolve faults and prevent repeat issues. · Ensure all machines, processes, and operations meet required standards. · Assist other teams (internal or contracted) on breakdowns, where appropriate. · Perform robust Planned Preventative Maintenance (PPM) and Total Productive Maintenance (TPM) on all machines throughout our plant. · Assist contractors with ongoing projects and tasks as directed. · Adhere to health and safety regulations, ensuring a safe working environment. · Perform general machining and fabrication. · Liaise with contractors, suppliers and external support where required. · Maintain a clean, safe and organised work area at all times. PERSON SPECIFICATION: Multi-Skilled Site Engineer, Maintenance Engineer, Site Engineer, Service Engineer - Packaging, Industrial, Manufacturing Plant You will have the following: · An Electrical and Mechanical Engineering background. · Experience maintaining & repairing a range of manufacturing equipment. · Recognised qualification in Mechanical / Electrical Engineering (HNC/D, BTEC, City & Guilds or equivalent) · Previous experience of a similar maintenance role, ideally in a FCMG industry (or similar). · Experience of fault-finding and repairs, for electrical and mechanical systems. · Strong fabrication skills. · Knowledge of health and safety standards. · Beneficial but not essential: FLT Licence & MEWP Licence. · All round team (and independent) working skills, backed with a quality ethos and excellent attention to detail. OUR COMPANY: With the backing of one of the Far East's largest packaging companies, we deliver high quality and service-oriented packaging to the global market. We are a part of a global network with more than 170 locations in over 20 countries worldwide. Globally, we are traditionally known for heavy duty packaging solutions but in the UK and Europe, we also specialise in conventional corrugated, timber, plastics, foams and steel. PROSPECTS: This is an opportunity to join a very large multinational organisation who have an active policy of promotion from within and offer the genuine opportunity to develop your career. This position will be challenging but also tremendously rewarding. Coaching, mentoring and training are an integral part of our culture. It is highly likely you will have worked in any of the following roles and/or markets, and worked with the following products and/or services: Multi-Skilled Site Engineer, Site Engineer, Service Engineer, Electrical Engineer, Maintenance Engineer, Mechatronic Engineer - Packaging, Industrial, Manufacturing Plant, Corrugated Packaging, Heavy Duty Packaging, Pallets, Packaging Solutions, Flexible packaging, Carton Packaging. INTERESTED? Please click apply. You will receive an acknowledgment of your application. Wallace Hind Selection, alongside our client embrace diversity, champion equality, and foster inclusion to create a work environment where everyone belongs and thrives. Please Note: Wallace Hind Selection have been chosen as the retained recruitment partner of our client and therefore any direct applications to our client from candidates or agencies will be forwarded on to us direct. REF: JK18374, Wallace Hind Selection

Lead Electronics Engineer
JAM Recruitment Ltd
Rochdale
Hybrid
Senior
£40/hour - £60/hour
TECH-AGNOSTIC ROLE

Lead / Principal Power Electronics Engineer (Contract)

Rochdale (Hybrid working)
6-month contract
£40 to £60/hour (Umbrella, Inside IR35)
Must be eligible for Security Clearance

A global manufacturer of electronic components is seeking an experienced Lead Power Electronics Engineer to take technical ownership of complex power conversion and power management products across aerospace, land and maritime platforms.

You’ll lead electrical design activities end-to-end, support bid activity, mentor engineers, and ensure products meet stringent safety, reliability and compliance standards.

What the role entails:

  • Technical ownership of power converter and power management designs from concept through to qualification
  • Leading electrical design activities including schematics, PCB layout, modelling and simulations
  • Supporting bid and proposal activity, including technical input, cost estimates and compliance responses
  • Defining and supporting test plans, qualification and design assurance, including failure investigations
  • Mentoring engineers and working closely with engineering leadership on new technologies and improvements

Key Requirements (max 5):

  • Strong experience designing power converters / power management systems (100W-10kW)
  • Expertise in DC/DC, AC/DC, inverters or motor drives within aerospace, defence or automotive environments
  • PCB schematic & layout experience (Altium preferred) and solid EMC/EMI knowledge
  • Experience across the full product lifecycle, including testing, qualification and failure investigation
  • Eligible for UK Security Clearance

Interested?

If you’re a seasoned Electronics or Power Electronics Engineer seeking your next contract and want to work on advanced, high-reliability systems in a respected engineering environment, I’d love to hear from you.

Apply now or get in touch for further details.

Audio Visual Engineer (Lutron / Control 4)
Roundhouse Recruitment Limited
London
In office
Junior - Mid
£45,000
TECH-AGNOSTIC ROLE

London-based

£35,000 - £45,000 + Paid Overtime + On-Call Bonus + Training + Progression

Are you an AV Engineer with experience in Lutron / Control 4 looking to join a forward-thinking company offering high-end smart home automation projects, technical training, and a clear path to Commissioning Manager?

This is your opportunity to become part of a specialist, fast-growing AV company delivering bespoke smart-home systems (including lighting control, home cinema, and whole-home automation) to prestigious residential clients across London and beyond.

The Role:

You’ll be playing a vital role in delivering and maintaining high-spec residential AV systems. You’ll handle:

  • Installation, commissioning, and servicing of residential smart home AV systems
  • Troubleshooting and diagnostics of control systems (Lutron essential, Control4/Crestron a bonus)
  • Client support across live projects and legacy installations
  • Working on a rotating job app schedule, updated every 14 days
  • Occasional travel for overnight stays, with full accommodation, travel, and meals covered

Essential Experience:

  • Hands-on AV installation experience in resedential or smart systems
  • Working knowledge of Lutron / Control4 / Crestron
  • Ability to commission or at least troubleshoot programmed systems
  • Comfortable using mobile apps or job-tracking platforms
  • Full UK driving licence
  • Willingness to travel and stay overnight when required (including occasional trips to Europe)

Career Progression:

You’ll be joining a company that values growth and training. There’s a clear pathway to:

  • Senior Commissioning Engineer
  • Commissioning Manager
    Training on different systems and platforms will be provided regularly, with manufacturer certification supported where needed.

**Keywords:** Junior AV Engineer, Audio Visual Technician, AV Installation, IT Systems, Haringey Careers, Field Engineer, AV Technology, Progressive Career, Entry-Level Engineering.

Junior AV Engineer, Lutro, Control 4

Workshop Engineer
Pioneer Selection
Castleford
In office
Junior - Mid
£35,000
TECH-AGNOSTIC ROLE

Job Title - Workshop Engineer

Location - East Kilbride, South Lanarkshire

Salary: £30,000 - £37,000

Shift: Monday to Friday - Days Shift.

Job Role:

We are currently recruiting for a Workshop Engineer to join a well-established and growing business specialising in Forklift Trucks (FLTs), Mobile Plant and Material Handling Equipment.

This is a workshop-based role, carrying out servicing, maintenance and repairs on a wide range of mechanical, electrical and hydraulic equipment.

Sector - Workshop Engineering

Non-Negotiable Requirements of Workshop Engineer.

  • Hands-on engineering experience in a workshop or industrial engineering environment.

Essential requirements of Workshop Engineer.

  • Maintenance experience of Forklift Trucks or Mobile Plant Machinery or HGV’s or industrial Vehicles.
  • Have hands-on experience in the following disciplines: Electrical, Mechanical and Hydraulics.
  • Recognised Engineering Qualification.

Desirable Requirements of Workshop Engineer.

  • Engineering qualification of minimum Level 3.

The Workshop Engineer will benefit from:

  • Training and Development
  • People focussed business - look after staff well.
  • Regular overtime opportunities
  • Company Benefits package

If you are interested in this role and feel that you have the right skills, then please click apply at the bottom of this advert.

For further details contact Matthew Lye at Pioneer Selection

As a registered candidate with Pioneer Selection Ltd, you automatically become eligible for our referral scheme.

You will receive £250 for every candidate we place in permanent employment who has been recommended by you. Terms and Conditions apply please see our website for further details.

Graduate Embedded Software Engineer
Zenovo
Not Specified
Hybrid
Graduate
Private salary

Graduate Embedded Software Engineers (x2) Location: Bristol, UK
Start Date: January 2026
Salary: Up to £37,500 + Discretionary Bonus & Benefits
Type: Full-Time, Permanent

We re currently recruiting on behalf of a leading technology company based in Bristol, who are looking to hire two Graduate Embedded Software Engineers to join their growing development team in January 2026.

This is an exciting opportunity for recent graduates or early-career engineers to join a collaborative and innovative engineering environment, working on cutting-edge embedded systems and ARM-based technologies.

Key Responsibilities:

  • Design, develop, and maintain embedded software using C and assembler
  • Collaborate with hardware engineers on embedded systems design
  • Work with Real-Time Operating Systems (RTOS) on ARM processors
  • Assist in testing, debugging, and integrating embedded solutions
  • Follow structured development processes and contribute to code reviews

What We re Looking For:

  • Degree in Electronics, Computer Engineering, Computer Science, or a closely related discipline
  • Solid understanding of C programming and familiarity with assembler
  • Exposure to embedded systems design, either through academic projects or industry placement
  • Experience or understanding of real-time operating systems
  • Knowledge of ARM architectures (e.g., Cortex-M or Cortex-A)
  • Enthusiasm for low-level development and problem-solving in constrained environments

What s On Offer:

  • Competitive starting salary of up to £37,500, depending on experience
  • Discretionary annual bonus
  • Comprehensive benefits package including:
    • Pension scheme
    • Private healthcare
    • 25 days holiday + bank holidays
    • Flexible working options
    • Ongoing training and professional development
    • Career progression opportunities in a high-growth, high-tech environment
Software Engineer (RTOS)
Ernest Gordon Recruitment Limited
Fordingbridge
Hybrid
Graduate - Junior
£50,000 - £55,000

Junior Software Engineer (RTOS) £50,000 - £55,000 + Progression + Training + 36.5 Hours a week + 33 Days Holiday + Flexitime + Hybrid + Company Benefits + Early Finish on Fridays + R&D Fordingbridge Are you a Software Engineer with RTOS experience looking for a truly R&D focused role, within a company known for the flexibility and progression? Do you want to work with a highly skilled team of engineers and developers, collaborating to solve complex technical challenges and create state-of-the-art wireless sensor networks? On offer is the chance to join a market-leading electronics manufacturer supplying state-of-the-art electronic equipment, which is now in high demand across industrial automation, environmental studies, and the smart home industry. In this role, you will work on projects from design to delivery. You will work on a varied project pipeline developing software for a variety of solutions. This role is R&D focussed with progression opportunities to directorship and excellent training. The Role: \* Research, develop and design software for electronic products. \* Embedded software development in C / C++ \* Flexible hours. Start anytime between 7am-10am. 36.5 hours a week. The Person: \* Software engineering degree or related subject. \* RTOS Experience \* Able to commute to Fordingbridge. Reference Number: 21314 Keywords: Zephyr, RTOS, Microcontroller, Software, Electronics, Data Logging, Display Systems. If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV. We are an equal opportunities employer and welcome applications from all suitable candidates. The salary advertised is a guideline for this position. The final remuneration will depend on the extent of your experience, qualifications, and skill set. Ernest Gordon Recruitment Limited acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. By applying for this job, you accept the T&Cs, Privacy Policy, and Disclaimers, which can be found on our website

Edge AI Engineer
Mars Recruitment
Oxford
Hybrid
Mid - Senior
£70,000 - £90,000

Edge AI Engineer | Wireless Comms | Start up | Oxford / Hybrid | £70,000pa - £90,000pa: A once in a lifetime opportunity has arisen for an Edge AI Engineer to have a major impact in the development of next generation wireless communications which will revolutionise several key industries. If you really want to contribute to future technology, and AI, Data Science, or Machine Learning is your passion then this early stage, fast paced, and independently funded start up wants to hear from you. Led by an incredibly talented team of industry experts, and with strong links to the University of Oxford, they are on a mission is to enable safe and efficient communication systems which will ultimately protect our way of life. By joining them, you Edge AI Engineer will create a substantial impact by developing critical technology that will save lives and ensure our society remains safe in an ever-changing world. Key responsibilities: Designing and optimising ML models to enhance secure communications and signal processing on a range of edge devices. Implementing low-latency, high-performance deep learning pipelines on hardware accelerators such as FPGA, TPU, and ASICs. Optimising CNN, Transformer, RNN, and/or GNN architectures for deployment on low-power embedded systems. Apply quantisation, pruning, distillation, and model compression to enhance efficiency. Strengthening model robustness against adversarial attacks and system-level security threats. Collaborating with embedded and security engineers to align AI performance with real-world system constraints. Edge AI Engineer essential experience & skills: Master's or Ph.D. (or equivalent experience) in Data Science, Machine Learning, Artificial Intelligence, or a related field. Strong proficiency in Python with practical experience of PyTorch or TensorFlow. Working knowledge of implementing and optimising deep neural networks (e.g. CNNs, Transformers, GNNs) Hands-on experience with embedded C/C++ for model integration with an understanding of low-latency and low-power constraints in real-time systems. Awareness of adversarial ML and model robustness techniques Understanding of secure-by-design principles and trusted execution concepts for AI on edge devices. Keenness to work on meaningful problems within the context of UK Defence and Security. Edge AI Engineer desirable experience & skills: 5+ years of experience in AI/ML systems development. Understanding of training-inference workflows, including data preprocessing, model evaluation and benchmarking. Familiarity with hardware accelerators (FPGA, TPU, ASIC, GPU-based inference). Experience with model optimisation techniques: quantisation, pruning, knowledge distillation and model compression. Proficient with Git, CI/CD and Linux-based development environments. Ability to document and test code for reproducibility and maintenance. If you have experience working on Edge AI and you have a deep passion for AI, Data Science and Machine Learning, then our wireless communications start up wants to hear from you. Drop Lee @ MARS  a LinkedIn connection, drop him an InMail, or phone call to discuss this amazing opportunity in more detail. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless of race, colour, sex, marital status, national origin, religion, age, disability, or any other protected status. Suitable candidates for the role will be contacted within 3 working days, unfortunately if you haven’t heard back in this time your application has been unsuccessful at this time MARS Recruitment is a specialist Engineering & IT recruiter working in partnership with companies across the UK and offers services of both an Employment Business (for Temporary/Contract roles) and an Employment Agency (for Permanent roles)

Maintenance Engineer
Stirling Warrington
Wolverhampton
In office
Mid - Senior
£45,000

£48,068 16% pension

Shift Pattern: three shift Monday - Friday

Mornings:
Mon-Thurs 5.30AM-1.30PM
Fri 5.30AM-12.30PM

Afternoons:
Mon-Thurs 1.30PM-9.30PM
Fri 12.30PM-7.30PM

Nights:
Mon-Thurs 9.30PM-5.30AM
Fri 7.30PM-2.30AM

Experience with robotics or assembly lines within would be advantageous - ABB Robots, fanuc robots. etc.

Whats in it for you?

  • 16% pension
  • Sick pay 80% of salary
  • 3 x salary DIS
  • All overtime is paid at x1.5 during the week and double time at the weekend forMaintenance Engineers
  • Brand new factory which is exceptionally clean
  • Working on state-of-the-art machinery such as robotics
  • Brand new canteen with free voucher every week for one meal for the maintenance engineer

My Client are a leading tier 1 Automotive manufacturer who have had a significant £50,000,000 investment over the last few years. They have opened a brand new 50,000 square foot state of the art factory in the Wolverhampton area which will supply their major customers. This growth focuses mainly on the build of battery boxes for electrical vehicles a market that is only on the up, whereby they have managed to triple their net profit since 2020. The machinery you will be working on will compromise ofServo Press, Hydraulic Press, ABB Robots, 14 Trumph Lasers, 2 Hot Stamp lines (soon to be 3). This role will suit any Maintenance Engineer who wants to work in a clean state of the art automated environment with progression opportunities. This company has a full order book and will only get bigger and better with their investment towards the supply of critical parts for electric vehicles.

Experience Required for the Maintenance Engineer

  • At least three years working as a Multi-Skilled Maintenance Engineer (either bias) - would look at mech with elec skills
  • Electrically qualified Level 2/3in C&G/NVQ ideally
  • Experience with robots - ABB/Fanuc
  • Multi-skilled Maintenance Engineer from any background welcome to apply: Food, FMCG, Packaging, recycling, heavy, metal processing, plastics, automotive, Building products etc.

INDSW

Chiller Engineer
WR HVACR
Salisbury
In office
Junior - Mid
£60,000
TECH-AGNOSTIC ROLE

South England
£60,000+ per annum

A cooling specialist focused on solving complex process cooling and temperature control challenges for manufacturers and commercial operations, this company designs, supplies, installs and services cooling systems tailored to exact needs. A nationwide service network provides reliable, thermal management while reducing downtime and optimising performance.

Key Responsibilities:
Work as an individual, diagnosing and repairing a range of chillers.
Be part of a regional service team.
Communicate directly with our customers whilst on site.
Cover standby duties on a rota.

Package:
Basic Salary - £50,000 per annum
Overtime (1.5x or 2x), door to door & on-call pay
32 days annual leave
Pension scheme
Continuous training opportunities

What You’ll Need:
City & Guilds in Refrigeration & Air Conditioning
F-Gas certification
Experience working in commercial refrigeration
Full UK driving licence

Interested in hearing more? Call Peter Caulfield on 023 9285 2310 or Email

WR HVAC | M&E are #1 recruitment partner for HVAC jobs. Our customers include a range of large and small M&E companies, manufacturers and suppliers of heating, ventilation, air conditioning and refrigeration equipment. We recruit UK wide for sales, management and technical jobs.

WR is acting as an Employment Agency in relation to this vacancy.

Embedded Software Engineer
Redline Group Ltd
Northamptonshire
In office
Junior - Mid
Private salary

A new and exciting opportunity has become available for an Embedded Software Engineer job, based in Northamptonshire required to join one of the global market leaders in defence and aerospace electronics. They currently require an Embedded Software Engineer to join their rapidly expanding R&D department. In this role you will be part of a small team, developing software test applications to test electronic products. Key Responsibilities for the Software Automation Engineer job will include: - Develop and maintain low level test software, firmware and scripts to validate our products during Manufacturing. - Develop fully automated TestStand and Labview test solutions to support production of ruggedised hardware. This is a fantastic opportunity to join a small, dynamic team of design engineers working on the next generation of their complex, high speed digital electronic products. Essential Skills needed for the Northamptonshire based Embedded Software Engineer job include: - Strong Experience in developing Software using Embedded C. - Strong Communication Skills. - Experience in Developing Software for Bare metal. - Degree in Software Development, Electronics or other relevant fields. This is a unique job opportunity for an Embedded Software Engineer, to take the next step in their career with a business that has an outstanding record for the development and support of their staff. This is a fantastic opportunity to join a small, dynamic team of design engineers working on the next generation of their complex, high speed digital electronic products. If you would like more information on the Embedded Software Engineer Job based in Northamptonshire, or if you would like to apply for the Embedded Software Engineer job, please contact Ricky Wilcocks on (phone number removed) or email him on (url removed), otherwise we always welcome the opportunity to discuss other engineering jobs.

Embedded Software Engineer - Aerospace
IO
Gloucester
Hybrid
Senior - Leader
£50,000 - £60,000

Job title: Embedded Software Engineer - Aerospace Location: Bristol
Salary: 50,000- 60,000
Job type: Permanent

iO are currently partnered with an established safety-critical business who have a magnitude of worldwide offices. Currently, they are on the lookout for a Principal Embedded Software Engineer to join on a permanent basis with the reporting office being based in Bristol.

Focusing on safety-critical projects within all industries, you will lead the current team in continuing to develop real-time operating systems whilst simultaneously providing excellent service to our development clients. You will also be given the ability to see multiple full product life cycles, right from concept to completion.

What we need from you:

  • Proven experience developing software for Real-Time Operating Systems (RTOS) such as FreeRTOS, OPENRTOS, SAFERTOS, or Linux.
  • Strong programming skills in C and assembler
  • Solid understanding of embedded systems design and integration.
  • Familiarity with ARM, MIPS, and Power processor architectures.
  • Experience working at the processor level (e.g., Cortex-M3, Cortex-M4, Cortex-A7).
  • Knowledge of safety-critical software development and related standards, eg IEC61508
  • Proven ability to lead a team of engineers
  • Eligible for UK Security Clearance

This role is perfect for an individual who thrives working in a diverse team and wishes to expand their knowledge and further the teams’ ambitions.

What we can give to you:

  • Flexible hybrid hours (38 hour week)
  • Annual salary review with an annual bonus (up to 5%)
  • Pension Scheme - we will contribute 8% so you don’t have to!
  • Life assurance inclusive of 24/7 online GP appointments
  • 25 days annual leave (increasing with service)
  • High-spec office environment
  • Clear vision for progression

If you are looking to develop yourself (and help others) in a highly rewarding and expansive company, then this is the role for you.

Senior Hardware Engineer
Polytec Personnel Ltd
Cambridge
In office
Senior
£65,000 - £85,000

Location: Cambridge (CB25) Duration: Permanent Hours: 37 hour week, early finish on a Friday, (5-days in the office) Salary: 65,000- 85,000 depending on experience Job Reference: 35992 Polytec are looking for a Senior Hardware Engineer with experience designing ATEX / intrinsically safe products to support the development of next-generation, mission-critical communication systems for our Cambridge based client. This role is suited to a hands-on senior engineer who enjoys taking ownership of complex hardware features and working closely with cross-functional teams. You'll contribute to the design, development, testing, and certification of professional communication equipment and related accessories. Responsibilities Design and develop hardware for ATEX-certified, intrinsically safe products Contribute to baseband and microprocessor-based system design Design efficient, low-power power supplies and supporting circuitry Support design verification, EMC testing and regulatory compliance Produce clear engineering documentation Collaborate with engineers across hardware, software and verification teams Requirements Degree in electronics or a related engineering discipline (or equivalent experience) Proven experience designing products for ATEX environments Strong understanding of intrinsic safety principles Experience with microprocessor-based hardware and common interfaces Good communication skills and a collaborative approach Desirable EMC / ESD-aware design experience Audio or RF system exposure Embedded Linux or board bring-up experience Please contact us as soon as possible for more details or apply below!

Control Systems Engineer
Line Up Aviation
Gloucester
In office
Mid - Senior
£52/hour
TECH-AGNOSTIC ROLE

On behalf of our client, we are seeking to recruit a Control Systems Engineer to join on an initial 12-month contract within the Structures Test Team. In this role, you will support both serial programmes and cutting-edge research & development activities, working on critical structural tests across multiple levels of the test pyramid from material coupons through to large structural assemblies. You will apply proven engineering principles to develop and operate advanced servo-hydraulic control systems, contribute to the design and setup of control and data acquisition systems, and play a key role in delivering innovative test rigs, methods, and processes.

Role: Control Systems Engineer
Pay: 58 per hour Via Umbrella
Location: Filton
Contract: Monday- Friday, 35 Hours per week, 12-month contract
IR35 Status: Inside
Security Clearance: BPSS

Responsibilities

  • Delivery of one or more technical specialisms - often a healthy mix of hands-on lab and office based work.
  • Assistance when required to deliver structural tests.
  • Support for innovation, sustainability and improvement projects.
  • Communication and reporting of progress to the test leader/test customers.
  • Coordination of all internal and external contributors/stakeholders/suppliers.
  • Launch of subcontracting activities following policy; purchasing and goods receipt.
  • Anticipation, identification and management of risks & opportunities.
  • Regular sharing of knowledge and progress with other colleagues in the test centre.
  • Participation in the test centre SQCDP and weekly team meetings.
  • Networking & support to build transnational Test Technologies capabilities.
  • Integration, development and introduction of new lean policies, methods and
  • ways-of-working aligned with the transnational requirements and strategy of IACMT.
  • Providing feedback and sustaining internal exchanges so that lessons learnt from previous programmes are transferred to the transnational 1ACMT team.
  • Support the development of 1ACMT training methodology and material.

Essential Skills

  • Educated to degree level (or equivalent) in mechanical engineering or a related discipline (e.g. Aerospace, Structures, Materials, Systems, Physics).
  • +5 years of experience in Project management & delivery of projects to time, cost, quality.
  • +5 years of experience in one of the following disciplines; aeronautical structures, control systems, structural testing.
  • Experience in structures, materials or systems testing would be an advantage.
  • Experience in managing suppliers or participating in supplier selection would be an advantage.
  • Good communication skills, multifunctional work and customer focused.
  • Team worker.
  • Proven ability to deliver.
  • Use of G Suite.
  • Experience or interest in Digital topics / Hybrid Testing & Simulation

English: Negotiation level. Other languages would be a plus.
If you are interested in applying for this position and you meet the requirements, please send your updated CV to: Natalie Dalkin at Line Up Aviation

Line Up Aviation has carved its own place in the recruitment of Aviation and Aerospace personnel all over the world for more than 30 years. We work with some of the industry’s best known companies who demand the highest standard of applicants.

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SUMS Pack Deployment Test Engineer
Expleo UK LTD
Warwick
In office
Junior - Mid
Private salary
TECH-AGNOSTIC ROLE

Expleo is seeking a highly skilled SUMS Pack Deployment and Compatibility Operational Test Engineer to join our team in Gaydon, Warwickshire, on an Inside IR35 contract basis. This is a workshop-based role focused on updating current production and engineering vehicles to the latest software packs, ensuring readiness for SOTA and integration testing. You’ll be working on cutting-edge automotive technology in a dynamic and collaborative environment.

Key Responsibilities:

  • Diagnose and repair mechanical systems (engine, chassis, etc.)
  • Perform software updates and validation testing
  • Conduct service, diagnostics, and repair operations on current vehicles
  • Provide technical feedback to support subsystem development
  • Prepare, fit, and remove test components
  • Assemble and replace systems/components
  • Manufacture and modify electrical harnesses
  • Trace, rectify, and validate faults using diagnostic tools
  • Interpret technical drawings and collaborate with engineering teams
  • Engineer bespoke solutions to overcome technical challenges

What We’re Looking For:

  • Advanced knowledge of operational procedures and tools
  • Experience in diagnostics and repair of automotive systems
  • Proficiency with computer diagnostic equipment
  • Ability to work independently in non-routine situations
  • Strong communication and documentation skills
  • Experience leading daily operations and mentoring junior staff is a plus
Software Engineer
KO2 Embedded Recruitment Solutions Ltd
Yorkshire
In office
Junior - Mid
£35,000 - £50,000

Software Engineer (C# Desktop Applications) Location: York Salary: Up to £45,000 An award-winning technology company based in York is seeking a C# Software Engineer to join its growing engineering team. This is an excellent opportunity for a developer who enjoys owning desktop applications end-to-end and working on software that directly interfaces with real-world hardware and data. The Role You'll be a key contributor within a small, highly skilled engineering team, taking primary ownership of a Windows PC application used by customers to monitor, analyse, and visualise data from connected hardware devices. The role has a strong focus on C# development in Visual Studio, covering both new feature development and ongoing enhancement of an existing desktop application. You'll be involved across the full software lifecycle, from requirements and architecture through to implementation, testing, and support. Key responsibilities include: Designing and developing new features in a C# desktop application Maintaining, refactoring, and improving an existing codebase Working with data visualisation, analysis, and user-facing functionality Supporting customers and troubleshooting software issues Producing clear technical documentationAbout You You'll be a degree-qualified Software Engineer (Computer Science or similar) with 2+ years' commercial experience in PC / desktop software development, with C# as your primary language. You'll have a solid understanding of clean, structured, and maintainable software design, and enjoy taking ownership of software products. Experience working with hardware-connected systems or embedded environments is beneficial, but the core focus of the role is C# application development. Essential Skills & Experience Commercial C# development using Visual Studio PC / desktop application software development Strong software design and coding best practices Degree in Computer Science or a related discipline Full UK driving licence and access to a carDesirable Experience Communication with hardware via serial protocols (RS232, RS485, CAN, SPI, I2C, etc.) Exposure to embedded systems or Embedded CWhy Apply? Join a multiple award-winning engineering company High level of technical ownership over a core C# application Work closely with a small, multidisciplinary engineering team Mix of new feature development and long-term product evolution Involvement from high-level design through to deliveryFor more information or to apply, please contact Laurence Powell or Andrew Knight at KO2 Embedded Recruitment Solutions Ltd

Frequently asked questions
Haystack features a wide range of Firmware Engineer positions, including embedded systems development, IoT device firmware, automotive firmware, and consumer electronics firmware roles across various industries.
Employers typically seek proficiency in C/C++, embedded systems programming, real-time operating systems (RTOS), hardware debugging, and experience with microcontrollers and communication protocols like SPI, I2C, and UART.
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