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Principal Test Engineer – Electronics / RF / Manufacturing Test Location: Hertfordshire Job Type: Perm, Flexi, Full Time We are representing a defence engineering organisationwho is seeking a Principal Test Engineer to support the introduction of production test systems and development testing of advanced electronic and RF products. This is a hands on technical role supporting the transition of new products from development into manufacturing, working closely with design, operations and manufacturing teams to ensure production readiness and robust test capability. Key Responsibilities • Support development and introduction of manufacturing test systems and test facilities, • Perform testing and fault diagnosis of electronic, RF and electro-mechanical assemblies, • Investigate test failures down to PCB/component level and identify corrective actions, • Support production readiness activities and configuration control processes, • Generate test specifications, operator instructions and technical documentation, • Work closely with design, manufacturing and operations teams to resolve technical issues, • Provide technical guidance and mentoring to junior engineers Skills & Experience Required • HNC/HND or Degree qualified in Electronics, Electrical Engineering or similar, • Strong experience in digital, analogue and RF electronics testing, • Experience using manual and automated test equipment (ATE), • Proven fault-finding and diagnostic skills to component level, • Understanding of manufacturing test processes and product development lifecycle, • Experience within defence, aerospace or high-reliability electronics manufacturing preferred, • Strong communication and documentation skills Package • Salary circa £52,000 depending on experience, • Annual bonus, • Up to 14% pension contribution, • Paid overtime, • Flexi leave, • Enhanced parental leave, • On-site facilities and subsidised meals Please note: Due to security requirements, applicants must be British Citizens and eligible for SC clearance

Systems V&V Engineer 12 month contract Can be based in Stevenage or Bristol Offering up to £85ph Inside IR35 Do you have experience with SysML or Rhapsody? Do you have hands-on experience with DOORS and DOORS NG? Do you want to work with an industry-leading company? If your answers are yes to these, then this could be the role for you! As the Systems V&V 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! Due to the nature of what you will be working on, you will be required to obtain MOD security clearance. You will be involved in: Test Strategy & Development: Defining test requirements, creating test plans, scoping frontend activities with the customer ensuring that requirements are met and understood System Validation: Overseeing or supporting the qualification and acceptance of test equipment, ensuring it is robust, compliant, and accurate Analysis & Troubleshooting: Analysing test data, identifying performance bottlenecks, and troubleshooting validation issues Documentation & Governance: Producing technical documentation (test procedures, reports) and ensuring compliance with safety and regulatory standards Influence senior stakeholders within the business relating to technical direction Provide technical leadership to all Test related issues across design projects Supporting new product bid activities Identify, document, and deploy best practice across the department and within projects Your skillset may include: Technical Knowledge: Strong understanding of electronics or mechanical systems, a degree in Electrical Engineering or a similar discipline Hands-on Experience: Expertise in operating general-purpose test equipment (e.g., oscilloscopes, spectrum analyzers, signal generators) Industry Standards: Knowledge of safety-critical standards, particularly within aerospace, defence (e.g., MOD), or rail sectors Communication: Ability to work within multi-disciplinary teams and liaise with customers for system acceptance Hands-on experience of DOORS & DOORS NG, SysML & Rhapsody Experience in DfT and testability RF / Microwave systems knowledge If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further! Systems V&V Engineer 12 month contract Can be based in Stevenage or Bristol Offering up to £85ph 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

World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Performance Modelling Engineer subcontractor on an initial 12 month contract. Your base site can be either Stevenage or Bristol, depending on your preference. The role can be worked on a 4 day week basis (Monday to Thursday) but due to the nature of the work, the position will need to be based onsite. This role would be suitable for a Simulation and Modelling Engineer (Matlab / Simulink) ideally from the defence or aerospace industry. Rate: £80.00 per hour Location: Your base site can be either Stevenage or Bristol, depending on your preference Hybrid / Remote working: The role will based onsite. A compressed 4-Day week of Monday to Thursday is possible Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Systems Performance Modelling Engineer Job Description: We are looking for a modeller to produce models of the seeker RF Radar. The model includes the seeker hardware, digital processing and target environment. The modelling team is responsible for developing the model, producing auto-code, generating seeker performance predictions and interfacing the seeker model into the missile dynamic reference model. Responsibilities (to include): Modelling in Matlab and Simulink using model-based design techniques Producing parts of a complex Seeker model including modelling the target scenario, seeker hardware and processor algorithms Develop and implement algorithms within the model Producing and verifying auto-code for the software algorithms from the model Carrying out seeker performance assessment Producing a simpler representation of the model for use in the missile model Upgrading legacy Seeker models to newer MATLAB/Simulink Vectors Documenting the model changes and creating test vectorsDue to the sensitive nature of the work it is predominantly done onsite but there is some flexibility depending on project. Skillset / experience required: Tools: Simulink Matlab Skills: Modelling for auto-coding Assessing suitability of algorithms in the model Aptitude for converting an algorithm into a Simulink model (desirable) Familiarity with Radar and Control Systems (desirable) Familiarity with Digital Signal Processing (desirable) RF experience (desirable) Experience in C (not essential) Technical report writing Model delivery experience

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an Embedded DSP Software Engineer – Software Defined Radio Datalink subcontractor on an initial 6 month contract. This role would suit a candidate who comes from a mobile communications industry or from the aerospace / defence field. Other industries will be considered too. Rate: £70 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will based onsite. A compressed 4-Day week of Monday to Thursday is possible Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process Embedded DSP Software Engineer – Software Defined Radio Datalink Job Description: Join our growing Software team in Stevenage, working as part of a dynamic team to develop, test and deliver innovative solutions by exploiting a wide portfolio of software technologies. You will work as part of a small team and be empowered to work individually with little supervision. You will need to be able to work independently and be self driven whilst providing some technical leadership. You will need to be very proactive and comfortable working with teams outside of the SW department, and be experienced in Digital Signal Processing techniques (SDR) and able to develop embedded SW in C. To be able to work in a lab based environment using various test tools such as scopes, logic analysers, bespoke test equipment and host based testing. Responsibilities: An Embedded Software C Engineer capable of developing, integrating and testing embedded Software Producing test requirements & test scripts for Unit, Subsystem and System level testing on both host and target platforms Running tests, analysing results and using target test facilities such as debuggers, probes, logic analysers and oscilloscopes Documentation and Design work in UML Integration of software components with ARM multi-core platforms, FPGA subsystems and RF transceiver interfaces Support real-time TX/RX data processing, buffering and performance optimisation on embedded targets Contribute to system integration and verification of Software Defined Radio (SDR) datalink capability Skillset/experience required: Experience of Digital Signal Processing Experience of the C Programming Language Experience of testing software products for ARM based multi-core processing platforms Experience of communications protocols (e.g. SPI, UART, Ethernet, PCI-Express) Experience of DOORS Experience of test tools and techniques in both host and target environments Experience of test tools such as LDRA or equivalent for host testing Experience in model-based development, either in SysML/UML Knowledge of Real Time Operating Systems such as PikeOS or FreeRTOS Understanding of real-time embedded data handling mechanisms such as DMA, interrupts and shared memory Exposure to wireless modulation or waveform processing concepts (desirable) Experience working with FPGA or SDR based embedded systems (desirable)

This role performs the duties of algorithm development, systems analysis and performance evaluation within complex RF seeker environments and reports to a senior engineering lead. Algorithms Engineer (RF Seeker Systems). Develop and implement algorithms for RF seeker systems and ensure they are fit

This role is ideal for an RF Engineer who enjoys hands on design, rapid prototyping and lab based testing, and wants to see their work progress from concept through to real hardware. Job Description Were supporting a leading UK defence organisation on the development of cutting edge RF and microwav

Working closely with end customers, teams tackle complex, real-world challenges where performance, reliability, and innovation genuinely matter.

Enterprise Recruitment Ltd is seeking a Senior RF Engineer in Greater London to lead RF and antenna development work. You will be involved in the full product lifecycle, addressing technical requirements, and collaborating with manufacturing teams to tackle engineering challenges. The role requires

We're looking for an experienced Senior RF Engineer to take ownership of critical RF and microwave work packages, covering module development, antenna design, test, and production support for advanced engineering products. Maintaining and improving existing RF and antenna designs, including obsolesc

A recruitment agency is looking for a Field Service Engineer in Greater London to provide technical support and manage the installation and repair of RF Products across Europe. This role requires a background in Electronic Engineering, proficiency in MS Office, and fluency in English. Candidates wit

A technology company in the UK seeks an Electronics Engineer to join their Systems Engineering team. The ideal candidate will have a degree in Electronic Engineering, strong skills in circuit design, and experience with design tools like Altium Designer. This is an opportunity to work at the forefro

A leading defence organisation is seeking an individual to join their Integration & Proving Engineering team in Stevenage.

A leading engineering firm is looking for a Senior Systems Engineer specializing in aerospace and RF communications. Ideal candidates have strong systems engineering experience within regulated environments and a degree in a related discipline.

Ex-Mil Recruitment Ltd is seeking a Radio System Engineer in London Docklands, offering a salary of £45,000.

A consulting firm in the defense sector seeks an experienced Embedded FPGA / DSP Engineer to design and implement real-time system software focused on RF communications and sensors. The role includes FPGA design, DSP algorithm implementation, and hardware interfacing, requiring a strong background i

A thriving technical consultancy in Cambridgeshire is looking for a Senior RF Hardware Engineer to work on innovative Defence projects. BEng/MEng in Electronic Engineering, experience in RF based circuit design, and strong leadership and customer interaction skills.

A leading technology organization in the UK is seeking an experienced RF Design Engineer for defence and national security projects. The role includes designing, simulating, and testing RF circuits, alongside mentoring junior engineers. The ideal candidate has experience in RF and analogue design, f

Redline Group in Letchworth is looking for a Design Engineer to contribute to innovative RF communication systems and electronic hardware solutions. Candidates should possess a degree in Electronic Engineering or a related field, with proficiency in design tools and practical experience in testing.

A leading technology firm in the United Kingdom is seeking an experienced Senior Test Engineer to conduct RF testing in Hereford. This role presents a great opportunity to work with innovative RF technology and advance your engineering career.

Expert Employment is seeking a Senior RF Engineer to spearhead the design and development of RF, microwave, and antenna systems for high-tech electronic products. This role requires expertise in RF design, microwave PCB layouts, and experience with RF test equipment. Join a collaborative team to enh

They are looking to add a Senior RF Design Engineer who can take ownership of RF/mmW design work across sub-circuits, sub-modules and full systems. As a Senior RF Design Engineer, you’ll work through the entire lifecycle, specification, simulation, validation, and handover into production, ensurin

ARM is seeking a Field Engineer specializing in Navigation & Communications Systems in the Greater London area. This full-time role involves maintaining critical navigation systems, ensuring they are operational 24/7, and requires 5+ years of experience in a comparable engineering role.

Copello Global is seeking an Algorithms Engineer in Stevenage, UK, to contribute to cutting-edge RF sensing technologies. The role involves algorithm development, technical studies, and collaboration with engineering teams. Ideal candidates will have experience with MATLAB, RF systems, and digital s

As a Lead RF/mmWave Design Engineer, you’ll take ownership of RF design strategy and execution, while supporting and developing engineers across the full product lifecycle, from concept through to production. Degree in RF, Microwave, or Communications Engineering (or similar). Lead and mentor a te

A well-established engineering company working on advanced RF and sensing technology is looking for a Senior RF Engineer to take ownership of key development work. You’ll lead RF and antenna development, help shape technical requirements, and work closely with manufacturing to solve real-world eng

The ideal candidate will have a degree in Communications Engineering, along with 3+ years of relevant experience. A defence technology company in Greater London is seeking a Deployed Network Engineer to support the deployment and integration of software products in complex government and defence env

The role requires frequent onsite presence and collaboration with cross-functional teams to deliver high-performance solutions. Mass Consultants Ltd is hiring an FPGA Engineer for a permanent, full-time role in Lincoln. This position involves developing and implementing FPGA designs for RF signal pr

LocationLondon, England, United Kingdom# Senior Analog/Mixed-Signal RF Layout Engineer at N Consulting LtdLocationLondon, England, United KingdomSalary£400 - £500 /dayJob TypeContractDate PostedFebruary 4th, 2026Apply Now### ResponsibilitiesDevelop full-custom Analog/Mixed-Signal/RF layouts at

Filtronic is a leader in high-performance RF technology, creating next‑level solutions for satellites, aerospace and defence. As a Graduate RF Engineer, you’ll have the opportunity to build your career in a fast‑paced, collaborative environment where innovation is part of everyday life. Filtro

Carbon60 is seeking a Senior RF Engineer in Greater London to oversee critical RF and microwave projects, including module development and antenna design. The ideal candidate enjoys technical leadership and collaboration, with experience in RF testing and design principles. Join us to make an impact

This on-site position will involve technical and team leadership of the existing development team, as well as hands-on participation with test setup design and execution, analytics, and performing intricate RF measurements for 3GPP/Software controlled Radio systems. Practical hands-on electronics sk

Avetix Engineering is seeking a Calibration Engineer to provide on-site calibration services across the UK. The role demands excellent client interaction skills and experience with RF calibration.

A trusted engineering partner is looking for a motivated RF Design Engineer to develop cutting-edge RF and analogue electronics for defence applications in the UK. The role involves designing and implementing RF circuits, integrating and testing electronics, and providing mentorship to junior engine

Morgan McKinley is seeking a Senior PCB Design Engineer based in Cambridge, UK. The ideal candidate should have at least 5 years of experience and proficiency in Altium Designer, alongside strong knowledge of RF and Analogue PCB design.

An innovative engineering firm in Letchworth is seeking a Design Engineer to contribute to the design and development of high-reliability RF communication systems and electronic hardware. Ideal candidates will have a degree in Electronic Engineering or equivalent experience, along with proficiency i

A leading engineering services company in Greater London seeks an RF Engineer to design and validate RF Test Systems. Candidates should possess an HND in Electronic Engineering or be a graduate in Electrical/RF Engineering.

A leading defence organization based in Stevenage is seeking an individual to join their Integration & Proving Engineering team in the Seeker division. This role involves confirming the operation of a cutting-edge RF system using validation and verification techniques. Applicants should have excelle

ECS Resource Group are currently working in partnership with a global managed service provider, assisting them with the search for a Lead Technical Specialist RF Engineer on a contract basis. RF design, wireless engineering, or structured cabling). Familiarity with industry‑specific engineering wo

Analog/Mixed-Signal/RF layout design, including RF layout techniques. Job Title: Senior Analog / Mixed-Signal / RF Layout Engineer. RF layout experience, including:.

We are interested in talking to RF systems engineers; Systems Engineering team leaders; experienced Systems Engineers with an interest in building their RF communications knowledge; Engineers from the RF domain with an interest in building their Systems Engineering skills; Engineers with modelling e

We are seeking a highly experienced Chief Engineer to act as a technical authority within high-power RF and directed energy systems. Chief Engineer - High Power RF / Directed Energy. You will provide technical leadership across high-power and RF sub-systems, supporting activity from early concept th

A leading defense technology provider in England is seeking an Embedded Software Engineer to join their team. You will be responsible for the design and implementation of real-time software for safety-critical products such as RF communications and sensors.

A leading defense organization in Stevenage is seeking RF Systems Engineers to design and implement cutting-edge RF communication systems. The ideal candidate will have a strong background in RF systems and engineering, coupled with excellent communication skills.

Filtronic plc is seeking a Graduate RF Engineer based in Sedgefield, UK. Candidates should have a 2:1 degree in Engineering, Electronics or Physics. You'll develop RF circuit design skills and collaborate with multidisciplinary teams on cutting-edge technology projects.

Electus Recruitment Solutions is seeking a skilled PCB Layout Engineer based in Stevenage or Bolton.