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Find top CONTRACT Firmware Engineer jobs with Haystack – your go-to IT job board for flexible, high-paying firmware engineering contracts. Explore exciting contract opportunities in embedded systems, IoT, and hardware development. Start your next firmware engineering contract role today!
Hardware /software technician
Interaction - Letchworth
London
In office
Junior - Mid
£15/hour - £15/hour
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Job Description : Hardware/ software technician ( Urgent requirement)

Pay: £15.99 PAYE + OT

Hours: 07:00 – 15:00 (7.5-hour shift, 30-minute lunch)
Role Type: Full time

Are you passionate about IT and looking to grow your career within a fast-paced, expanding organisation? We are seeking an FLS Engineer – Grade 2 to join our Maintenance Service Centre in Hatfield, supporting customers throughout the full device lifecycle.

The Role

You will be responsible for diagnosing, repairing, configuring, and staging a range of IT equipment including laptops, desktops, tablets, and mobile devices. Working in a high-volume environment, you will ensure devices are built, repaired, and prepared to meet customer SLAs.

Key Responsibilities

  • Troubleshoot and resolve hardware and software issues
  • Perform laptop, desktop, and mobile device repairs
  • Install spare parts and carry out warranty repairs to OEM standards
  • Stage and configure devices with predefined builds
  • Manage and update service tickets accurately
  • Maintain asset tracking and workshop organisation (6S)
  • Escalate potential SLA risks to supervisors

What We’re Looking For

  • Experience repairing laptops, desktops, and mobile devices
  • Familiarity with HP, Dell, Apple, and Lenovo systems
  • Strong diagnostic and fault-finding skills
  • Excellent organisation and attention to detail
  • Ability to work independently and within a team
  • Eligible to obtain Government SC clearance

This is a fantastic opportunity to join a growing organisation with strong year-on-year performance and real career development opportunities.

Apply today to take the next step in your IT engineering career.

Call Steve on 01462 670666

Embedded Ada Software Engineer
Certain Advantage
Bristol
Hybrid
Mid - Senior
£68/hour
RECENTLY POSTED

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Embedded ADA Software Engineer subcontractors on an initial 12 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis.

Essential - ADA, Background in safety critical software.
Desirable - Linux, Doors, Dimensions, UML, Mascot etc.

Contract Duration: 12 Months initially and then ongoing.
Hourly Rate: £68.00ph (Umbrella).
Overtime rate: Hours worked over 37 hours per week will be calculated at time and a quarter

Embedded ADA Software Engineer Job Description:

We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers.
The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems.
We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of advanced maritime air defence systems.
Responsibilities:
We work across the entire software engineering lifecycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases.

Skillset/experience required:
Essentials:
Experienced in Ada
Solid background in Safety critical SW from Def, aero, rail, nuclear or medical sectors.
The development is Safety critical, so a high standard of coding, process & documentation is required.

Good to have:
Formal design methods and tools: Doors, Dimensions, Rhapsody/UML/SysML/Mascot
Experience in developing Linux and networking applications.

Embedded Software V&V Engineer
Certain Advantage
Stevenage
Hybrid
Mid - Senior
£70/hour
RECENTLY POSTED

World Class Defence Organisation is currently looking to recruit an ADA Embedded Software V&V Engineer subcontractor on an initial 6 month contract. A defence or aerospace industry background would be great.

Rate: £70.00 per hour
Location: Stevenage
Hybrid/Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week)
Contract: 37 Hours per week
Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’
Duration: 6 months (initially and then ongoing and long-term thereafter)
IR35 status: Inside IR35 (Umbrella)
Interview process: 1 stage video interview

Embedded Software V&V Engineer Job Description:
The department create the complex, highly reliable Real Time software that powers missile systems and their components, ensuring that they provide the performance and functionality their users require when they need it.
They are involved all the way through development - from concept studies through trials firings and the move into production and service.

Responsibilities:
You will be responsible for the verification and validation activities on Real Time systems application software for the next generation of Missile Systems.
The role requires taking requirements, developing them into robust test cases, preparing and executing tests, capturing data, and delivering actionable feedback to project teams.
You will have to draw upon your strong practical problem-solving skills, data acquisition expertise, and adaptability.

Skillset/experience required:
Essential:

  • Strong experience of V&V activities in an Embedded software environment.
  • Strong problem-solving skills
  • Ability to work independently or as part of a team
  • Good communication skills
  • Good documentation skills
  • Ability to turn requirements into structured test cases and procedures.
  • Experience of working in a lab environment on an electro mechanical product running Embedded
  • software.
  • Good working knowledge of the complete software engineering life cycle.
  • Scripting abilities
  • Embedded software development experience using Ada.

Advantageous:

  • Safety critical systems experience
  • Embedded software development experience using C.
  • Knowledge of standards such as DO-178C, DO-330 & DefStan 00-55
  • Knowledge of Real Time Operating Systems
  • Model Driven Design experience
  • Knowledge of test automation methods
  • Knowledge of Lauterbach Trace tools, DOORS, Engineering Workflow Management (EWM/RTC), Rapita
  • Suite, Rhapsody
  • Breakpoint Analysis experience
  • Experience of Focused Code Reviews
Integration Engineer
Stackstudio Digital Ltd.
Warwick
In office
Mid - Senior
£350/day - £400/day
RECENTLY POSTED

Role/Job Title: Integration Engineer
Work Location: UK, Gaydon
Mode of Working: Office based (5 days a week)

The RoleAutomotive EV Propulsion Integration through PiL/ViL Testing, Verification & Validation, DOE’s and Execution, Vehicle DV Planning & Execution, Rig data analysis, 8D Problem Solving, Strong engineering first principles.

  • Design validation, development, integration, and testing of electric propulsion systems, including high-voltage (HV) power systems, electric drive units (EDUs) and Battery
  • Design validation through PiL (Powertrain in the Loop) and ViL (Vehicle in the Loop) testing, ensuring the system meets performance and regulatory requirements
  • System architecture, software development, calibration, and integration, contributing to the overall EV driving experience

Your Responsibilities

  • Developing and executing PiL/ViL test plans
  • Analyzing test results and identifying areas for improvement
  • Collaborating with other engineers and stakeholders to resolve technical issues
  • Participating in design reviews and providing feedback
  • Contributing to the development of new EV technologies
  • Working with software engineers to develop and calibrate control systems
  • Ensuring the system meets regulatory and safety requirements

Your ProfileEssential Skills / Knowledge / Experience

  • Good experience in BEV propulsion system, knowledge of HV systems
  • Proven experience with PiL/ViL testing and validation
  • Test planning and understanding of test standards
  • Test data analysis from rigs and compliance to test standards
  • Ensure safety functionality
  • Understand VSC & calibration knowledge / sensor control

Desirable Skills / Knowledge / Experience

  • Bachelor’s degree in mechanical engineering or automotive engineering
  • Exposure to AVL / Horiba test rigs
  • Problem solving / 8D
  • Working knowledge of JIRA and Confluence
Engineer
Gap Personnel - Cardiff
Cwmbran
In office
Junior - Mid
£16/hour - £25/hour
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Role: Engineer

Location: Cwmbran
Salary: £16.67 per hour
Hours: Monday – Thursday: 07:30 – 16:00 Friday: 07:30 – 11:30

About the Role

We are currently recruiting for a skilled and reliable Engineer (Manual Turner) to join our busy engineering department. This is an excellent opportunity for an experienced machinist looking to work within a well-equipped workshop environment with access to a range of machinery and processes.

The successful candidate will have strong manual turning experience and be confident working with CNC equipment and other workshop machinery.

Key Duties & Responsibilities

  • Perform precision manual turning operations to engineering drawings and specifications
  • Set up and operate CNC machines where required
  • Carry out balancing, grinding, milling, and welding tasks as part of the production process
  • Interpret technical drawings and work to tight tolerances
  • Conduct quality checks to ensure components meet required standards
  • Maintain machinery and ensure equipment is used safely and efficiently
  • Work collaboratively with other engineers and departments to meet production targets
  • Follow all health & safety procedures at all times

Essential Requirements

  • Proven experience in manual turning (essential)
  • Experience operating CNC machines
  • Knowledge of balancing, grinding, welding, and milling processes
  • Ability to read and interpret engineering drawings
  • Strong attention to detail and commitment to quality
  • Ability to work independently and as part of a team
  • Good understanding of health & safety in a workshop environment

Desirable

  • Formal engineering qualification (apprenticeship or equivalent)
  • Experience working in a precision engineering or manufacturing environment
Apprentice Engineer - Taw Valley
Arla Foods Plc
North Tawton
In office
Graduate - Junior
£21,000/day - £27,500/day
RECENTLY POSTED

Are you ready to earn while you learn and become a multiskilled engineer at a cutting-edge dairy site?

Across four years, youll combine hands-on experience with classroom learning, keeping our technology running and helping deliver household-favourite products, while building a career-defining skill set.

How You Will Make an Impact

Embark on a four-year engineering apprenticeship at Arlas Taw Valleysite, working alongside a team of skilled engineers to maintain, repair and install machinery that powers our production. When issues arise, youll be the problem-solver who keeps lines running and our products flowing, from Cravendale milk to Skyr yoghurt and Anchor butter. Your learning is delivered in structured blocks with*Calderdale Collage,*blending practical and classroom training.

  • Carry out maintenance, repairs and installations across automated production equipment
  • Support root-cause problem solving and continuous improvement to reduce downtime
  • Apply safety-first practices while developing hands-on technical capability
  • Build knowledge across processing, packaging and utilities systems
  • Progress through structured college blocks and on-site training to achieve qualifications

What Will Make You Successful

Youre 18 or overby September 2026and ready for a hands-on role, bringing a solid educational foundation with at least five GCSEs at grades 94 (A*C), including Maths and English (or the Scottish equivalent). Youre motivated to learn whether thats picking up new skills on the job or sharpening your knowledge in the classroom.

A curious problem-solver at heart, you love figuring out how things work and fixing issues fast. Youre safety-conscious, a clear communicator, and a true team player who collaborates well. Organised and resilient, you can balance structured learning blocks with on-site responsibilities. When you apply, please list your qualifications clearly and include scanned copies of your certificates.

What Do We Offer?

Salary progression:

Year 1: £21,000 per annum

Year 2: £25,484.71 per annum

Year 3: £26,500 per annum

Year 4: £27,500 per annum

Youll enjoy a comprehensive rewards package, including 26 days holiday plus bank holidays, a pension with matched contributions up to 6%, and life assurance at four times your annual salary. Youll have access to discounted products through our Staff Shop, and were committed to your training and development. Our flexible benefits let you buy up to five additional days of annual leave and unlock retailer discounts via the My Benefits platform. During study blocks with our education partners accommodation and expenses for food and travel are provided.

Programme structure and qualifications:

Year 1: 19 weeks at college

Year 2: 10 weeks at college

Year 3: 15 weeks at college

Year 4: Fully based at site

Qualifications: OAL Level 3 in Food & Drink Engineering Maintenance; Level 3 Health & Safety Award; 18th Edition Wiring Regulations Certificate

Would You Like to Join Us?

If this position is of interest, please apply directly via our careers page with your CV and your proof of GCSE certificates. Applications will close6th April 2026

Any questions at all please reach out to Oliver Hickson-Burr -Talent Partner

Recruitment process:

  • CV shortlisting
  • If successful - HireVue video interview
  • Group interview (Teams):18th or 19th of May 2026
  • This stage includes a competency-based interview and a group assessment.
  • Final interview: Held at your preferred site and includes a dexterity task and meeting the team.

Shape the Future of Dairy

Arla is a global leader in the dairy industry, committed to enabling good food choices that make life better, providing people with natural, sustainable nourishment, while taking care at every step to ensure Arla is a choice they can feel good about. If you are looking to shape the future with an ambitious global cooperative that truly cares about your growth, where everyone feels valued and empowered, and collaboration is the core of culture, Arla is a choice you can feel good about.

Ref.: 104020

Electrical Design Engineer
ATA Recruitment
Yateley
In office
Mid
£97,835/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Electrical Systems Design Engineer

  • Location: Yateley
  • Hours: Mon–Fri 08:30–17:15, Fri 08:30–16:00 (5 days in the office)
  • Contract Length: Minimum 6 months with possible extension
  • Rate: £45ph - £50ph Outside IR35

The Role

You’ll be involved in the full cycle of retro fitting control system design, from developing solutions and producing detailed electrical drawings to specifying, sourcing, and scheduling equipment. Working closely with project engineering colleagues, you’ll contribute to delivering innovative automation and control solutions across a variety of projects.

Responsibilities

  • Designing retro fit control system solutions including PLCs, networks, SCADA/HMI, and telemetry systems
  • Creating and configuring design documentation, network architecture diagrams, electrical schematics, and general arrangements
  • Assisting in the production of FDS and SDS specifications
  • Selecting, identifying, and procuring electrical equipment and instrumentation
  • Undertaking and managing site surveys around the M25

About You

  • Electrical Engineering qualification
  • Experience in the water industry is a must have.
  • Skilled in electrical design tools such as EPlan or AutoCAD
  • Knowledge of automation, control systems, and retro fit control panel design/manufacture
  • Full UK driving licence and happy to travel around the M25
  • Eligible to work in the UK

To be considered for this role please either hit the ‘Apply’ button on this site or email your CV directly to I can also be contacted directly on. I look forward to hearing from you!

ATA Recruitment specialise in the recruitment of Engineers across the UK, so if this role is not for you, please do have a look on our website for further potential opportunities which may suit your skills and experience better - If you have the skill, we have the recruitment knowledge and together we can find you your perfect job! - ;

You must be eligible to live and work within the UK. Sponsorship is not provided

ATA is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation

Automation Engineer
TDRS
Watford
In office
Junior - Mid
£35,000 - £40,000
RECENTLY POSTED
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

Development and Production Test Engineer Electronic
Guidant Global
Bolton
In office
Mid
£25/hour - £37/hour
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Guidant Global is proud to partner with a prestigious Ministry of Defence organisation in the UK. Our client is seeking an experienced Development and Production Test Engineer with a strong background in Electronic/Electrical engineering. In this crucial role, you will support the testing and diagnostics of electrical/electronic sub-systems and circuit cards during the production phase of the product lifecycle. Your expertise will be essential in providing technical support to the manufacturing test capability, ensuring that programme targets are met in terms of time, cost, and quality.

Key Responsibilities:You will collaborate with a small team of dedicated engineers in a dynamic, yet friendly and inclusive manufacturing environment, where you will be responsible for the following tasks:

  • Provide technical support for manufacturing tests and diagnostics of weapon sub-systems at system and sub-system level.
  • Deliver Test Engineering support from concept through to Production Readiness and operational release.
  • Introduce and configure test facilities, ensuring compliance and producing specifications and operator instructions.
  • Conduct testing and diagnose failures in electrical/electronic systems down to circuit card or component level.
  • Implement corrective actions promptly to maintain production schedules and resolve technical issues.
  • Represent Test Engineering at Defect Review Boards to drive timely resolution of quality notifications.

What do you need?:Essential:

  • Minimum HNC level of Engineering qualifications or equivalent.
  • Good understanding of digital and analogue electronic measurement and test principles, and fault diagnosis techniques, with demonstrable experience down to electronic component level.
  • Awareness of electrical/electronic sub-system and system design, integration and test principles.
  • Good verbal and written communication skills, including generation of test specifications, operator instructions and technical reports.
  • Ability to plan and organise one’s work according to assigned priorities.

Advantageous:

  • Knowledge of RF and Microwave technology at the subsystem level.
  • Experience in operating manual and automated test equipment in an Electronics Manufacturing environment.
  • CADMID product lifecycle for test equipment is desirable.
  • Environmental testing would also be an advantage.
  • High Voltage training/awareness.
  • SAP Beneficial
  • MS Office skills

Familiarity with core equipment:

  • Digital multimeters (DMMs)
  • Oscilloscopes
  • Power supplies
  • Counter timers
  • Signal/function generators
  • Current clamps

Additional desirable experience:

  • Vector Network Analysers (VNAs)
  • Spectrum analysers
  • Waveguides
  • RF power sensors

What happens now?Upon submission of your application, should it meet our selection criteria, you will be contacted via e-mail by one of our talent acquisition specialists to arrange a screening call. This telephone chat is structured to explore a series of questions aimed at matching your competencies and capabilities to the specific demands of the position. Please note, this screening is contingent upon the initial success of your application.
Security Clearance:British Citizen or a Dual UK national with British citizenshipRestrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by our clients Security Team.
More about the role:For more than 70 years, our client has been in a strong partnership with the UK military. They have accomplished numerous milestones in defence engineering and have provided essential defence capabilities to meet the requirements of the armed forces across land, sea, and air.
This job is at our client’s site in Bolton facility, one of the North West’s leading manufacturing sites for at least 25 years. The facility offers showers and bike racks and is near the motorway, with a petrol station outside. Amenities like an onsite canteen. All employees get training and development opportunities.

Ada Software Engineer
Akkodis
Gloucester
In office
Mid - Senior
Private salary
RECENTLY POSTED

Ada Developer for Maritime Missile Command & Control

Overview of department:
We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers.
The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems.
We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of advanced maritime air defence systems.

Responsibilities:
We work across the entire software engineering life cycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases.

Skillset/experience required:
Essentials:
Experienced in Ada
SC cleared
Solid background in Safety critical SW from Def, aero, rail, nuclear or medical sectors.
The development is Safety critical, so a high standard of coding, process & documentation is required.

Good to have:
Formal design methods and tools: Doors, Dimensions, UML/SysML/Mascot
Experience in developing Linux and networking applications.

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.

Embedded Software Engineer
Tec Partners
Cambridge
In office
Mid - Senior
£65/hour - £85/hour

Embedded Software Engineer - Linux / C++ / Embedded Cambridge, UK - Onsite (4-5 days per week) £65 - £85 per hour (SC Cleared, mid-senior level) Initial 6 months (strong likelihood of extension) Active SC clearance required (mandatory) An opportunity has arisen for an experienced Software Engineer to join a highly technical engineering environment delivering advanced systems within the UK defence and national security sector. This role is suited to a mid-senior level engineer with a strong Linux and embedded software background who can integrate quickly into an established team and provide immediate impact. The position is fully onsite in Cambridge (minimum 4 days per week). This is not an FPGA-focused role. The requirement is for a broad, capable software engineer with strong low-level and systems experience. Key Responsibilities: Development of software in Linux-based environments C++ application development for complex systems Embedded C development for hardware-adjacent systems Python development for tooling, automation and test Development and maintenance of GUI applications Integration, debugging and system-level testing Working closely with electronics and systems engineers in a multidisciplinary team Supporting delivery within a secure, defence environmentEssential Experience: Active SC clearance Strong C++ development experience Embedded C experience Linux development environment experience Python scripting and automation experience GUI development experience (Qt or similar beneficial) Experience working within defence, aerospace or national security environments Ability to work onsite in Cambridge 4-5 days per weekDesirable Experience: Experience integrating software with custom hardware Real-time systems exposure Knowledge of secure development practices Experience working within consultancy or R&D environmentsCandidate Profile: Broad technical exposure across systems and software Able to contribute quickly with minimal supervision Strong debugging and problem-solving capability Comfortable working in fast-paced, technically demanding environments

Embedded Software Engineer
Copello
Whiteley
Hybrid
Mid - Senior
£65/hour - £75/hour

Whiteley (Hybrid) – SC Required – Initial 6 month contract (Inside IR35) About the Opportunity We are recruiting on behalf of a technology organisation that specialises in the research, design, and development of advanced wireless and critical RF communication systems used in mission-critical environments including defence, uncrewed and autonomous systems, government, and broadcast. They are seeking an Embedded Software Engineer to join their team working on a varied pipeline of technically challenging projects. The successful candidate will develop software for sophisticated communication products that deliver secure, reliable, long-range data transmission, collaborating closely with hardware, RF, and systems engineers and contributing across the full product lifecycle. Key Responsibilities \* Design, develop, and maintain embedded software for advanced wireless communication products. \* Program primarily in C++ for embedded applications. \* Develop lower-level functionality in C, including Linux kernel and device driver work where required. \* Collaborate with multidisciplinary teams including hardware, RF, and systems engineers. \* Support integration, testing, and debugging on real hardware platforms. \* Contribute to the full product lifecycle, from concept through to deployment. \* Participate in continuous improvement and innovation across new and existing technologies. Skills and Experience Essential: \* Strong experience in embedded software development using C++. \* Solid understanding of embedded systems and real-time considerations. \* Experience working in Linux-based environments. \* Ability to debug complex issues across software and hardware interfaces. \* A practical, problem-solving mindset with a willingness to engage hands-on with hardware. Desirable \* Digital Signal Processing (DSP) experience. \* Experience with VHDL or FPGA development. \* Familiarity with Linux kernel development and device drivers. \* Knowledge of RF or communications systems

Embedded Software Engineer
Arm
Bristol
In office
Mid
£68/hour

Embedded Software Engineer (ADA) 12 month contract Based in Bristol Offering £68ph Inside IR35 Do you have experience in ADA? Do you have experience across the entire software engineering lifecycle? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Embedded Software Engineer (ADA), you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Working across the entire software engineering lifecycle Discussing requirement changes with the systems team Involved with the qualification and software releases Your skillset may include: Experience with ADA Background in Safety Critical Software Coding, process, and documentation Formal design methods and tools - Doors, Dimensions, Rhapsody, UML, SysML, Masoct, etc... Experience developing Linux and networking applications If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further! Embedded Software Engineer (ADA) 12 month contract Based in Bristol Offering £68ph Inside IR35 Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change

Software Engineer - PLC & SCADA
Line Up Aviation
Motherwell
In office
Mid - Senior
£45/hour - £60/hour
TECH-AGNOSTIC ROLE

We are seeking experienced Software Engineers with strong PLC and SCADA expertise to support cutting-edge defence technology development in Motherwell, Lanarkshire.
You’ll join a multi-disciplinary team delivering high-quality software solutions in line with recognised industry standards.

Please note Applicants MUST be a UK passport holder & born in the UK due to the nature of this contract.

Role: Software Engineers - PLC & SCADA
Location: Motherwell
Contract: 6 months initially but likely to be extended up to 23 months maximum. 37.5 hours per week.
Pay rate: 45 - 60 per hour (PAYE only)

Main responsibilities:
Develop innovative, high quality software for leading UK defence projects
Utilising a variety of tools and programming languages, contribute across the full software lifecycle in a collaborative team
Support junior team members and lead in review/assurance activities
Design, implement, test, and deploy control system solutions

Ideal candidate profile:

  • Background in Instrumentation & Control Engineering (or similar)
  • Strong knowledge of PLC programming, SCADA, and DCS systems
  • Candidates MUST be UK passport holders & born in the UK
  • Vetting process will also include 5 years’ referencing & a drug screen

If you are interested in applying for this position and you meet the requirements, please apply immediately.

Due to the number of applications we receive, it’s not always possible to contact unsuccessful applicants. Unless you hear from us within 14 days of your application, please assume that you have been unsuccessful on this occasion.
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Production Test Engineer
Arm
Bolton
In office
Mid
£35/hour - £37/hour
TECH-AGNOSTIC ROLE

12-month contract

Based in Bolton

Offering 37ph Inside IR35

Are you an experienced Test Engineer?

Do you have experience testing down to component level?

Do you want to work with an industry-leading company?

If your answer to these is yes, then this could be the role for you!

As the Production Test Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry.

You will be involved in:

  • Providing test engineering support to operators on the shopfloor
  • Testing and diagnosing complex electrical/electronic systems, sub-assemblies, and circuit cards down to component level
  • Generating test specifications, operator instructions, and technical reports - based on higher-level requirements and information
  • Identify remedial and corrective actions
  • Supporting meetings with Quality and Operations to provide status updates on Test Engineering actions and investigations

Your skillset may include:

  • A good understanding of measurement and test principles, and associated equipment down to component level
  • Awareness of electrical/electronic sub-system and system design, integration, and test principles.
  • An understanding of RF and microwave technology at subsystem level
  • An understanding of Environmental testing (including ESS)
  • Manual handling training
  • ESD training

If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further!

Production Test Engineer

12-month contract

Based in Bolton

Offering 37ph Inside IR35

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

SC Cleared - ADA Software Engineer
Matchtech
Gloucester
In office
Mid - Senior
£68/hour

Location: Bristol (fully onsite) Duration: 12 month initial contract
Rate: 68ph UMB (Inside IR35)

Role details:

Our client, a key player in the Defence & Security sector, is currently seeking an SC Cleared, Embedded Ada Software Engineer to join their team on a contract basis in Bristol. This is an exciting opportunity to be involved in the development of cutting-edge command and control software for maritime missile systems.

Key Responsibilities:

  • Engaging with the Systems team to discuss requirement changes and updates
  • Participating in the entire software engineering lifecycle
  • Ensuring high standards in coding, process, and documentation for safety-critical software
  • Involvement with qualification and software releases
  • Supporting the development of advanced maritime air defence systems

Job Requirements:

  • Proficiency in Ada programming
  • Security Clearance (SC) required to start
  • Strong background in safety-critical software, ideally within defence, aerospace, rail, nuclear or medical sectors
  • Experience with high standards of coding and thorough documentation

Desirable Skills:

  • Familiarity with formal design methods and tools such as Doors, Dimensions, Rhapsody, UML, SysML, and Mascot
  • Experience in developing applications on Linux systems and networking applications

If you are an experienced Ada Software Engineer looking for a contractual role in a dynamic and innovative environment, we encourage you to apply now to join our client’s dedicated team in Bristol.

CMM Programmer
Verify Europe
Kidderminster
In office
Mid - Senior
£40/hour
TECH-AGNOSTIC ROLE

We are seeking an experienced CMM Programmer, with knowledge of LK metrology Camio software for a 6-month role in Worcestershire.

Able to assist in the workload of creating new programmes to align new machines.

Support to validate the new programs prior to using them in a production environment. This typically involves checking the CMM programs have the correct nominal/tolerances programmed in and the correct features on the component are being probed, followed by a repeatability check.

This role falls inside IR35 and would require the use of an Umbrella Company.

  • Must be a Sole UK National (due to program security restrictions).
  • Ideally holds UK Government Security Clearance as this will be required.

Tasks include:

  • Creation of new programs to align a new CMM machine.
  • Review and update all of the current programs to ensure efficiency/accuracy
  • Reverse engineering programming for historic tooling
  • Working closely with our current inspectors to improve their CMM programming and understanding

Essential skills / Experience:

  • Excellent understanding/knowledge of LK metrology Camio software
  • Excellent understanding/knowledge of GD&T
  • Strong problem-solving skills
  • Strong metrology background
Principal Software Engineer
Arm
Edinburgh
In office
Senior
Private salary

Edinburgh

12-Month Contract

Paying up to 87p/h (Inside IR35)

Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable

Key Responsibilities:

  • Create and deliver software solutions within a defined work package area, ensuring that the package meets all stakeholder requirements
  • Establish and mature stakeholder needs, associating/attributing priority, interest, influence and trading-off needs to determine optimum capability to solve stakeholders? problems
  • Create high quality and robust code; for fully documenting and recording your work products; keeping them under configuration management and providing plans and reports on progress to your line manager
  • Work closely with internal and external stakeholders to ensure architecture alignment with other elements of the programme.
  • Ensure the application of appropriate tools / techniques for test equipment design by the team, providing advice in own area of expertise
  • Resolve emerging issues by proposing and driving through solutions, escalating more complex risks and supporting definition of opportunities and risk mitigation options
  • Foster relationships and networks within and outside the line of business, actively seeking out opportunities and promoting a culture for the adoption of best practices
  • Develop, coach, mentor, teach, and upskill other engineers in the wider application of engineering

Required Skillset:

  • Experience in designing solutions using C and NI LabWindows /CVI
  • Have experience with TestStand
  • Developing Low-Level Drivers
  • Developing software for test system environments
  • Developing software within a development process framework
  • Experience in Agile development and Atlassian toolset
  • Familiarity with configuration management tools, defect tracking and peer review

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Principal Firmware Engineer
Arm
Luton
In office
Senior
Private salary

Luton

Paying up to 80p/h (Umbrella)

Responsibilities:

  • Artificial Intelligence, including machine learning and genetic algorithms
  • Auto-generated code using model-driven engineering using MATLAB and Simulink tools
  • Design tools such as Xilinx, TCL, Verilog, System Verilog and UVM
  • Derivation of detailed Firmware requirements and architecture from system requirements
  • A structured approach to firmware design (RTCA DO-254 or similar)

Experience required:

  • FPGA architectures such as Xilinx 7. Xilinx UltraScale; Intel (Altera) or Microsemi (Actel).
  • Fast interfaces such as PCIe, Ethernet, and JESD is also required.
  • Cryptography and anti-tamper techniques
  • Electronics test methods and equipment
  • HNC/HND or Undergraduate Degree (Electronic Engineering, Computer Science, AI, Games Programming, Physics, or Applied Physics), or you may just have lots of skills and experience gained through your hard work.
  • Due to the nature of our work, any candidate must have 5 years UK residency and be capable of achieving full SC security clearance.

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Embedded Ada Software Engineer
Line Up Aviation
Gloucester
In office
Mid - Senior
£65/hour

An opportunity has arisen with my client for a Embedded Ada Software Engineer to join them on an initial 12 -month contract. As the Embedded Ada Software Engineer you will work across the entire software engineering lifecycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases.

Role: Embedded Ada Software Engineer
Pay: 68 per hour via Umbrella Company
Location: Bristol
Contract: 12 Months
Hours: Monday - Friday, 37 hours per week
Security Clearance: Security Clearnce to start, UK Eyes only project

Responsibilites

  • Develop and maintain safety-critical command and control (C2) software for advanced maritime and land-based missile systems, ensuring compliance with rigorous industry and defence standards.
  • Collaborate with Systems Engineering teams to review, analyse, and implement evolving system requirements throughout the full software development lifecycle.
  • Design, code, test, and verify Ada-based software solutions, maintaining high standards of quality, documentation, and traceability in a safety-critical environment.
  • Support software qualification, validation, and release activities, including integration testing and compliance with safety and security regulations.
  • Apply formal design methodologies and tools (e.g., DOORS, UML/SysML, Rhapsody, Dimensions) to ensure structured development, configuration control, and full requirements traceability.

Essential Experience

  • Solid background in Safety critical SW from Def, aero, rail, nuclear or medical sectors.
  • The development is Safety critical, so a high standard of coding, process & documentation is required.
  • Formal design methods and tools: Doors, Dimensions, Rhapsody/UML/SysML/Mascot
  • Experience in developing Linux and networking applications.

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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Embedded ADA Software Engineer
Endeavour Recruitment
Gloucester
In office
Mid - Senior
£65/hour - £68/hour

Embedded ADA Software Engineer (3168-1) JOB LOCATION: BRISTOL SECURITY CLEARANCE LEVEL: SC needed to start- UKEO DURATION: 12+ Months WORK PATTERN: Fully Onsite; Open to 4 Days Compressed Possible PAY RATE: 65 - 68 Per Hour Umbrella Inside IR35 TARGET INDUSTRIES AND COMPANIES. *Is Defence a must?* *If not what industries can be considered* Ideally- Defence & Aerospace Open to others with similar processes- Nuclear, Medical or Rail etc. Essential Skillset & Tools Essential- ADA, Background in safety critical software. Desirable- Linux, Doors, Dimensions, Rhapsody, UML, Mascot etc. Overview: We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers. The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems. We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of advanced maritime air defence systems. Responsibilities: We work across the entire software engineering lifecycle, from discussing requirement change with the Systems team, all the way to being involved with qualification and software releases. Skillset/Experience Required: Essentials: Experienced in ADA SC cleared Solid background in Safety critical SW from Def, aero, rail, nuclear or medical sectors. The development is Safety critical, so a high standard of coding, process & documentation is required. Good to Have: Formal design methods and tools: Doors, Dimensions, Rhapsody/UML/SysML/Mascot Experience in developing Linux and networking applications.

Frequently asked questions
Haystack features a wide range of contract firmware engineer positions, including roles focused on embedded systems, IoT device development, real-time operating systems, and hardware-software integration across various industries.
To apply, simply create an account on Haystack, upload your resume, and browse the available contract firmware engineer listings. When you find a job that matches your skills, click 'Apply' and follow the instructions provided by the employer.
Yes, Haystack allows you to filter contract firmware engineer jobs by contract duration, location (including remote opportunities), and other criteria such as industry sector and required experience level.
Many contract firmware engineer roles on Haystack offer remote or flexible work options, but this varies by employer and project requirements. Each job listing clearly indicates if remote work is available.
Typical qualifications include a background in electrical engineering or computer science, proficiency in programming languages like C/C++ and assembly, experience with embedded systems, and knowledge of firmware development tools and debugging techniques. Specific requirements may vary depending on the position.