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Contractor 240
Engineering Welwyn Garden City

240 jobs found in Welwyn Garden City

CL
Aug 22, 2026  
Senior Hardware Engineer
Senior Hardware Engineer Hertfordshire (hybrid) £55 per hour Umbrella Initially 6-month contract Mon-Fri   Certain Advantage is working in partnership with a leading defence organisation seeking a Senior Hardware Engineer. You will be responsible for developing and maintaining new and existing RF equipment.   What will you be doing?  Radio Frequency design or testing System performance analysis Interface debugging and system integration Software design requirements System design for real-time applications  A couple of things you should know: Familiarity with Linux operating system Familiarity with computer science (C++ an advantage)  During an interview, you may be asked about: Integration of microcontrollers in RF hardware (e.g. Raspberry Pi)  Please note: You will be required to undergo a UK security check.   Sounds like you? Apply now or WhatsApp/ring Lukas - (phone number removed) / (phone number removed)   Working with Certain Advantage We go the extra mile to match...
IR35 Status:
Unknown Status

CV-Library Hertfordshire, UK Contractor
CL
Aug 21, 2026  
Workplace Insights Analyst 3640
Workplace Insights Analyst Hertfordshire – hybrid (3-4 days from home) £35 per hour Umbrella Initially 12-month contract (long-term thereafter) Mon-Fri (flexible working hours)    Certain Advantage is working in partnership with a leading defence organisation seeking a Workplace Insights Analyst to enable evidence-led decision-making across Facilities Management by transforming workplace, operational and system data into meaningful insight.    What will you be doing?  Analyse workplace, operational, and system data to identify trends, risks and opportunities Transform complex datasets into clear meaningful insight Work with the System team to identify reoccurring themes and root causes Provide evidence to support improvement opportunities Ensure the quality and integrity of workplace data Work with Systems colleagues to improve data capture Translate technical information into business insight Present findings to operational and senior FM leadership Translate technical...
IR35 Status:
Unknown Status

CV-Library Hertfordshire, UK Contractor
CL
Aug 20, 2026  
Senior / Principal Civil Engineer
Senior Civil Design Engineer Contract type: Contract or Permanent Scope: Outside IR35 Location: Hertfordshire Industry: Water Purpose of the Role We are working with a specialist engineering consultancy providing design and infrastructure support across the rail and utilities sectors. The organisation supports projects from early design through to installation, delivering safe and efficient solutions on complex infrastructure programmes. The Civil Design Engineer will produce civil engineering design deliverables for projects across the regulated water industry, ensuring all work meets required safety, quality, and technical standards. Key Responsibilities Deliver civil engineering design packages that meet safety, quality, and regulatory requirements. Develop efficient design solutions from project scopes and site visits, communicating these with clients and project teams. Support and guide CAD technicians, junior designers, and graduates. Prepare design risk assessments,...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Aug 23, 2026  
Test Development Engineer
We are recruiting for a talented Hardware Design Engineer to join our client's Test Equipment Hardware Design Capability team on a 6-month contract. Part of the Test Equipment Centre of Excellence (TE CofEx), this team designs, integrates, and validates innovative test system hardware solutions that support products throughout their lifecycle. This is a fantastic opportunity to contribute to cutting-edge projects, ensure technical excellence, and help drive engineering success. Role: Test Development Engineer Pay: £50 per hour Via Umbrella Location: Stevenage Contract: Monday- Friday, 37 Hours per week, 6 Months Contract IR35 Status: Inside Security Clearance: SC Required however can start on BPSS Essential Responsibilities Prepare specifications & develop designs in line with all quality and technical standards. Develop proposals for investigations & solutions, following investigation and analysis of technical issues. Carry out design appraisals to ensure all...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Interconnects Design Engineer
Interconnects Design Engineer Location: Stevenage (2-3 days per week onsite; could be higher initially) Duration: 6 months Rate: £50 p/h Umbrella IR35: Inside Clearance: SC (BPSS to start) Overview Fantastic opportunity for an Interconnects Design Engineer to work within a growing Interconnects team designing bespoke electrical interconnects/cables suitable for the transmission of power, signal and data within and between subsystems in complex products. You'll interpret sub-system requirements and generate electrical schematics and cable design definitions (Microsoft Visio & HarnWare work packages). The role also includes investigating cable issues, developing solutions, supporting manufacturing with build issues, and supporting functional and environmental product trials. Responsibilities: * Interpret sub-system requirements and generate electrical schematics and cable design definitions (Visio & HarnWare work packages) * Investigate a full range of cable...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Hardware-in-the-Loop (HIL) Systems Engineer
Our client has an opportunity for a Senior Engineer- Hardware in the Loop to join them on a contract basis for 6 months with possible extension. Role: Senior Engineer- Hardware in the Loop Location: Stevenage, fully onsite Hourly Rate: £55 per hour via Umbrella, inside IR35 Clearance: SC required before starting What you'll be doing: As a HWIL engineer, you will be responsible for developing and maintaining new and existing RF equipment and working with multi-disciplinary teams to combine RF, electronics engineering and software development to produce new capabilities that enable HWIL to run new simulations - Produce new RF targets for missiles to track, simulated ECM. testing, root cause analysis, design, development, integration. You will be able to adapt to new engineering situations and be comfortable in abstracting detail in order to understand the simulation and missile's behaviour Requirements: Radio Frequency design or testing System performance analysis Interface...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Hardware In The Loop Engineer
Senior engineer, in our Hardware-in-the-Loop Team contract Stevenage based Skillset/experience required: Broad engineering experience with deeper experience in some of the following skill areas: Radio Frequency design or testing System performance analysis Interface debugging and system integration Software design requirements System design for real-time applications Familiarity with Linux operating system Familiarity with computer science (C++ an advantage) Integration of microcontrollers in RF hardware (e.g. Raspberry Pi)Overview of department: We are looking for ambitious engineers with a growth mind-set to join our team. If you are the right person for us, you will seek a supportive environment, surrounded by passionate experts while being a part of a collaborative and driven team. The Hardware-in-the-Loop (HWIL) team conduct the most complete test of missiles other than a firing and Missile test track. We design complex, real-time simulations that surround real missile...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Offload Controller
Offload Controller - Engineering Test Equipment required for long term contract assignment in Stevenage 2-3 days on site after settling in period. Skillset/experience required: Experience using SAP Strong planning/ scheduling & coordination experience Experience within Manufacturing, logistics or Supply chain Strong analytical and problem-solving abilities Excellent communication & stakeholder management skills Ability to work across different functions - Engineering, Manufacturing, procurement, quality, logistics and external suppliers Experience in maintaining accurate data and KPI reporting Strong organisational skills with the ability to manage multiple priorities Continuous improvement mindset and experience documenting processes. Quality and Non-conformance Management experience 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...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Workplace Insights Analyst 3640-1
Workplace Insights Analyst required for long term contract assignment based in Stevenage (hybrid) Skillset/experience required: Essential - Technical Experience analysing complex datasets PowerBI Advanced Excel Data visualisation Data quality managementEssential - Analytical Strong problem-solving ability Able to identify trends and patterns Root cause analytics Ability to turn data into meaningful recommendationsEssential - Communication Excellent written and verbal communication Ability to explain technical information simply Stakeholder engagement Presentation skillsDesirable Facilities Management experience IWMS experience (Planon desirable) SQL Workplace Analytics Lean/ Continuous ImprovementOverview of department: The Workplace Insights Analyst plays a key role in enabling evidence led decision making across Facilities Management by transforming workplace, operational and system data into meaningful insight. The role supports the continuous improvement of workplace by...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 21, 2026  
Interconnect Design Engineer
Interconnects Design Engineer - Test Equipment required for long term contract based in Stevenage (preferred) or Bolton Individuals will need to have demonstrable experience in cable/harness/interconnects design, using relevant design packages such as Visio and HarnWare. The ideal candidate will have: A minimum 2 years' experience in the use of Visio and related products (Harnware). A proven ability to define, deploy, and refine processes and best practices within Visio and Harnware. - including; electrical topology, wiring schematics and 2D manufacturing drawing processes and standards. Thorough understanding of product data management and change management within Windchill or similar. The ability to design cable assemblies based upon electrical constraints such as current, screening, signal types, volt drop, EMC and environmental requirements. An appreciation of cable assembly production/process engineering.Due to the nature of our work, experience of military Defence Standards...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 20, 2026  
Senior DSP Firmware Engineer
Senior DSP Firmware Engineer | Contract | Hybrid | Stevenage The Role * Design, simulate and implement DSP algorithms for advanced communications and sensing systems. * Develop, test and verify FPGA firmware using VHDL and/or Verilog. * Produce firmware designs from system requirements and functional specifications. * Support hardware integration, debugging and product development within a multidisciplinary engineering team. Key Skills * 5+ years' FPGA/DSP development experience. * Strong VHDL and/or Verilog design skills. * FPGA simulation, verification and test experience. * Experience with formal configuration control. Desirable * C/C++ for SoC or embedded processor development. * Xilinx Versal AI Engines. * 5G/LTE communications. * Technical leadership experience. Sponsorship is not available for this position
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 14, 2026  
Assembly Technician
Assembly Technician/Electrical Assembly, Ware, Stanstead Abbotts £13.45 p/hr Hours - Monday-Thursday 8-5. Fridays (phone number removed) month contract The ideal candidate will be responsible for assembling parts and components to build electro-mechanical products, including servo motors and PCB sub-assemblies. They will assemble components accurately; test completed assemblies and report any faults. This role also involves testing, inspecting, troubleshooting, and repairing any issues that may arise. The successful Assembly Technician must work safely and efficiently using hand tools, power tools, machinery, and other equipment, such as T-bars, Allen keys, and screwdrivers. They must also possess excellent communication and problem-solving skills and ensure that all products meet quality and safety standards. Duties and Responsibilities • Assemble components in accordance with technical drawings and specifications. • Build electro-mechanical products, including servo motors and...
IR35 Status:
Unknown Status

CV-Library SG12, St Margarets, Hertfordshire Contractor
CL
Aug 18, 2026  
Electrical Fitter
Contract Electrical Fitter / Machine Wirer 3 Month Minimum Contract – 37.5 Hours – Monday to Friday Days £22p/h LTD / UMB - OUTSIDE IR35 Based Letchworth 5D Recruitment is proud to be working exclusively, and in partnership with a leading engineering company based in the heart of the home counties. Employing nearly 50 people they design, manufacture, assemble, test, and ship bespoke machinery from their new, world-class facility. They are market leaders in the concept design and manufacture of fully automated, high precision, bespoke machines which are used to complete complex functions required to guarantee the quality of the product. Working across a variety of industries their main markets include the medical and scientific sectors. They have long-standing agreements with some of the most renowned manufacturers in their sector, with a growing order book, combined with an excellent pipeline the future is looking exciting. What the Role Will Involve: * Building a bespoke...
IR35 Status:
Outside IR35

CV-Library Baldock, Hertfordshire Contractor
CL
Aug 19, 2026  
Electrical Design Engineer
Electrical Design Engineer Contract | Outside IR35 | £45/hour Location: Hertfordshire - On-site initially, then hybrid working is a possibilty. *** UK residents only and must have full right to work in the UK without sponsorship *** An long term contratct opportunity has arisen for an experienced Electrical Design Engineer to join an innovative engineering team delivering complex industrial equipment. This is a hands-on contract role focused on producing high-quality electrical designs for new product development. The Role * Produce detailed electrical designs using AutoCAD Electrical and EPLAN. * Develop electrical schematics, control panel layouts and wiring documentation for industrial machinery. * Create and maintain Bills of Materials (BoMs) and support electrical testing, build and commissioning activities. Key Responsibilities * Design AC/DC power distribution and machine control systems. * Develop machinery safety circuits and associated technical...
IR35 Status:
Outside IR35

CV-Library SG6, Norton, Hertfordshire Contractor
CL
Aug 22, 2026  
Fire & Intruder Alarm Engineer
Fire & Intruder Alarm Engineer Social Housing & NHS Contracts Location: Ideally based in UB, TW, SL, HA, WD or surrounding areas Rate: £250 per day + 35p per mile We are looking for an experienced Fire & Intruder Alarm Engineer to join a growing team working across long-term Social Housing and NHS contracts throughout West and North West London. This is a field-based contract with a consistent workload, covering a mixture of planned maintenance, servicing, fault finding and small remedial works. The Role You will be responsible for: * Servicing, maintaining and fault finding on fire alarm systems. * Working on intruder alarm systems, carrying out diagnostics and repairs. * Attending reactive faults across Social Housing and NHS sites. * Completing electronic job reports accurately. * Delivering a high standard of customer service while working in occupied buildings. The work is split across two main areas, including: * UB, TW, SL and RG...
IR35 Status:
Unknown Status

CV-Library Harrow, Greater London Contractor
CL
Aug 22, 2026  
Aesthetic Technician - Rolling Stock
Job title: Aesthetics Technician Job location: South East London Hourly pay rate: £22.28 PAYE / £28.99 Umbrella Shift Pattern: Sun - Thurs Nights Hours per week: 50 Duration: On-going Start date: ASAP Company Summary: A world renowned Rolling Stock vehicle service, maintenance and manufacturing company and is the number one provider of rail solutions in the world. This prestigious company is also the largest rolling stock manufacturer and provider in the UK and employs over 70,000 employees in 60 countries worldwide. Position Summary: As an Aesthetics Technician you will be working on a live rail depot as a member of a productive team. Your job role will be varied duties and task will include: * Aesthetic condition examinations & rectification work. (Inspecting units for any visual defects relating to the Aesthetic condition of the interior & exterior of the fleet.) * Bodyside repair of dents, scratches, scrapes & vegetation damage. * Spray painting Interior...
IR35 Status:
Unknown Status

CV-Library North West London, London Contractor
CL
Aug 22, 2026  
Rail LUL Electrician
Are you an LU BTA Electrician with experience working on London Underground? Do you have experience with cable installation, containment, or CRMS works? Job Title: LU BTA Electrician Location: Various sites across London Underground Rate: £250 per day (Inside IR35 / CIS) Contract: 3-Month Rolling Contract Shift Times: 12:00am-04:00am Start Date: ASAP This is an opportunity to support a major London Underground upgrade programme, delivering cable route management and electrical installation works across the London Underground network. Where you will add value ·Installing CRMS (Cable Route Management System) and associated containment ·Running and terminating electrical cables ·Supporting electrical installation teams during planned possessions ·Maintaining high standards of safety and workmanship ·Assisting with testing, commissioning, and installation activities ·Working collaboratively with supervisors and construction teams To succeed in this role, you will need...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 22, 2026  
Rail OPO Telecoms Construction Manager
Are you a Construction Manager with experience delivering telecoms / OPO works london underground infrastructure? Do you hold LU BTA? Job Title: Telecoms Construction Manager Location: London Underground Rate: £400-£450 per day (Inside IR35 / CIS) - Via Umbrella Provider Contract: 3-Month Rolling Contract Start Date: ASAP This is an opportunity to join a major London Underground infrastructure programme, supporting the delivery of telecoms and electrical upgrade works across the London Underground network. Where you will add value ·Managing day-to-day construction activities across Deep Tube work sites ·Coordinating telecoms, OPO, and electrical installation teams ·Ensuring works are delivered safely, efficiently, and to programme ·Managing subcontractors, supervisors, and operational interfaces ·Supporting possession planning, reporting, and stakeholder coordination ·Maintaining compliance with London Underground standards and procedures To succeed in this role, you...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 22, 2026  
Rail LUL SPC Electrician
Are you an ECS-approved Electrician with SPC (Site Person in Charge) certification? Do you have experience delivering electrical installation works within London Underground environments and hold LU BTA? Job Title: SPC Electrician Location: Various sites across London Underground Rate: £350 per day (Inside IR35 / CIS) Contract: 3-Month Rolling Contract Shift Times: 12:00am-04:00am Start Date: ASAP Are you an ECS-approved Electrician with SPC (Site Person in Charge) certification? Do you have experience delivering electrical installation works within rail or London Underground environments? This is an opportunity to join a major London Underground infrastructure programme, supporting critical installation and upgrade works across the London Underground network. Where you will add value ·Acting as SPC for electrical installation activities on works ·Supervising safe delivery of cable installation and CRMS works ·Carrying out electrical installation, testing, and...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
CL
Aug 19, 2026  
Senior Engineer
Senior Engineer Aviation | Night Shifts | Freelance | Inside IR35   Are you a Senior Engineer with genuine main contractor experience, strong setting-out/site delivery knowledge and the right tickets to take ownership of night-shift works?   We're currently looking for an experienced Senior Engineer to join a long-term freelance project within an aviation environment, working full-time nights through to the end of the year.   THE OPPORTUNITY  This is a great opportunity for a Senior Engineer who is comfortable working on night shifts and has a proven track record of delivering works for a main contractor.   You'll be working as part of an established delivery team, helping ensure works are completed safely, accurately and to programme throughout the night.   The role is expected to run through to the end of 2026, offering excellent continuity for the right candidate.   WHAT YOU'LL NEED To be considered, you'll need: - Proven Senior Engineer experience within a main...
IR35 Status:
Inside IR35

CV-Library Greater London, UK Contractor
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