IO Associates

Senior Planner - Water Bristol/Cardiff/Swindon/Exeter/Plymouth/Gloucester, South West UK - Hybrid working module. 3 days in a week onsite Up to £70K per annum A Senior Planner is needed to work with a top international consulting firm for design, engineering, and project management. A global engineering and project management firm specialising in infrastructure, transportation, energy, and defence. You

Senior Planner - Water Bristol/Cardiff/Swindon/Exeter/Plymouth/Gloucester, South West UK - Hybrid working module. 3 days in a week onsite Up to £70K per annum A Senior Planner is needed to work with a top international consulting firm for design, engineering, and project management. A global engineering and project management firm specialising in infrastructure, transportation, energy, and defence. You

Senior Planner - Water Bristol/Cardiff/Swindon/Exeter/Plymouth/Gloucester, South West UK - Hybrid working module. 3 days in a week onsite Up to £70K per annum A Senior Planner is needed to work with a top international consulting firm for design, engineering, and project management. A global engineering and project management firm specialising in infrastructure, transportation, energy, and defence. You

Senior Planner - Water Bristol/Cardiff/Swindon/Exeter/Plymouth/Gloucester, South West UK - Hybrid working module. 3 days in a week onsite Up to £70K per annum A Senior Planner is needed to work with a top international consulting firm for design, engineering, and project management. A global engineering and project management firm specialising in infrastructure, transportation, energy, and defence. You

Job title: Safety Engineer Location: London Work pattern: Hybrid/remote - occasional site visits Salary: Competitive (DOE) iO is proudly partnered with an exciting business operating at the forefront of autonomy, AI and safety-critical systems. Now looking to hire a Safety Engineer to help build and mature safety assurance capability for next-generation autonomous products. This is a high-impact r

Job title: Release Train Engineer (RTE) - Defence Location: Hereford - on-site with hybrid arrangements Salary: Up to £82,000 + benefits DOE Security: Must be willing to undergo DV clearance (national security vetting) iO are partnered with a well know defence agency who are now on the lookout for a Release Train Engineer (RTE) to join on a permanent basis. You will be working on safety & security-critical technology programmes, playing a key role in coordinating multiple agile teams, driving delivery cadence, and embedding SAFe best practice across an Agile Release Train (ART). Role Responsibilities: Facilitate and drive SAFe ceremonies/events (PI Planning, ART sync, demos, workshops, retros, backlog refinement) Partner with Product and delivery leadership to prioritise features, manage flow, and maximise value delivery Identify, manage, and resolve cross-team dependencies (upstream/downstream) Coach and support Scrum Masters / Team Coaches, helping teams improve delivery maturity Proactively remove impediments and resolve conflicts, maintaining momentum across teams Track and support programme-level coordination: milestones, timelines, risks, and delivery health Use data/metrics to drive continuous improvement across the ART Key skills: Proven experience as an RTE (or similar Agile leadership role) in a SAFe delivery environment Strong understanding of software delivery processes, tools, and team-based engineering delivery Confident stakeholder management and communication skills across technical & non-technical groups Experience coaching teams and navigating delivery challenges/conflict SAFe certification (e.g., SAFe RTE or equivalent) This is the ideal role for an experienced SAFe leader who enjoys coordinating complex delivery across multiple teams. If you are interested in having a discussion, or seeing a more in depth job description then please contact us directly or apply with an up to date CV. JBRP1_UKTJ

Job title: Release Train Engineer (RTE) - Defence Location: Hereford - on-site with hybrid arrangements Salary: Up to £82,000 + benefits DOE Security: Must be willing to undergo DV clearance (national security vetting) iO are partnered with a well know defence agency who are now on the lookout for a Release Train Engineer (RTE) to join on a permanent basis click apply for full job details

Security Assurance Lead - Up to £65k - Corsham (Hybrid) We're looking for a Security Assurance Lead to support a programme focused on ensuring robust security controls, compliance, and risk management across systems and processes. This role involves leading security assurance activities, performing risk assessments, and implementing best practices to maintain a secure operational environment click apply for full job details

Lead Engineer (Compression) Location: Edinburgh, Scotland (On-Site) Company Overview An innovative clean energy engineering organization is developing advanced hydrogen compression solutions and associated refuelling and fuel cell technologies. The company operates in a fast-moving, technically rigorous environment focused on delivering reliable, cost-conscious engineered products from concept through manufacture. Position Summary The Lead Engineer (Compression) is responsible for the end-to-end design and development of hydrogen compressor products, from first-principles modelling through to manufacturing readiness and certification. The role provides technical leadership across the full product lifecycle, working cross-functionally with mechanical, electrical, process, and controls engineering teams while supporting commercial and production functions. Key Responsibilities Lead and own product design from system modelling through to manufacture Manage product development projects and coordinate internal and external stakeholders Drive development and standardisation of hydrogen compression products Perform first-principles thermodynamic modelling Maintain technical and financial accountability for assigned projects Manage the full product lifecycle, including certification activities Participate in HAZOP and contribute to LOPA activities Mentor and support development of junior engineers Deliver technical training to production, field service, and sales teams Collaborate across multidisciplinary engineering teams to support complete system design Prepare part specifications and assess manufacturing partners Produce supporting technical documentation (manuals, datasheets, etc.) Maintain PED, Machinery Directive, risk assessment, and certification systems Lead products through inspection, type approval, and CE certification Knowledge, Skills & Experience Required Numerical simulation experience (MATLAB/Octave) Strong 2D drawing proficiency including standards and dimensioning Solid understanding of procurement and manufacturing within the design lifecycle Mechanical or systems engineering design experience in manufacturing environments Compression and/or fluid systems expertise Experience leading PED, Machinery Directive, and CE certification activities Demonstrated technical leadership capability Knowledge of machining, fabrication, MRP, and BoM management Desirable 3D and 2D CAD proficiency Degree in Mechanical/Systems Engineering or related discipline Chartered status (or equivalent experience) Experience producing P&IDs Autodesk Inventor experience Configuration engineering and manufacturing drawing production JBRP1_UKTJ

Lead Engineer (Compression) Location: Edinburgh, Scotland (On-Site) Company Overview An innovative clean energy engineering organization is developing advanced hydrogen compression solutions and associated refuelling and fuel cell technologies. The company operates in a fast-moving, technically rigorous environment focused on delivering reliable, cost-conscious engineered products from concept throu click apply for full job details

Supply Chain and Governance Technician Oxfordshire, UK 12-month contract initially up to £30 per hour Inside IR35 iO Associates is looking for a Supply Chain and Governance Technician to join a global aerospace leader specializing in commercial and military aircraft, helicopters, defence, and space sectors click apply for full job details

OpenCPI Systems Engineer - Active DV Romsey or Gloucester - Fully Onsite Up to £720 per day - Inside IR35 OpenCPI Systems Engineer - DV is required for a UK-based technology organisation delivering advanced engineering, cyber, and data-driven solutions to government and commercial clients. The company specialises in secure systems, communications, artificial intelligence, and mission-critical software supporting complex national infrastructure and defence programmes. You will be responsible for designing, integrating, and supporting OpenCPI-based SDR systems across FPGA and embedded Linux platforms. The role involves C/C++ and HDL development, system configuration, and end-to-end integration of DSP processing chains within secure RF environments. You will work closely with cross-functional engineering teams to ensure robust system performance, reliability, and compliance within high-assurance programmes. Skills: Active DV clearance. Proven hands-on experience with the OpenCPI framework. Strong C/C++ development within embedded or Linux environments. Experience working with FPGA platforms (e.g. Xilinx or Intel toolchains). Experience integrating and validating DSP chains within SDR systems. Understanding of RF processing and system-level testing methodologies. This is an excellent opportunity to work for an international organisation with decades of technical expertise, combining research-driven innovation with real-world deployment across critical national programmes. Apply with your UPDATED CV via the link below or contact us to learn more about the role and company. P.S. The company cannot provide visa sponsorship. Only candidates currently residing in the UK with existing right to work will be considered for the role. JBRP1_UKTJ

Aircraft Fitter - Must have Apprenticeship Filton - onsite 12 months £27 per hour Inside IR35 Aircraft fitter is required for a company that focuses on advancing aviation and space technology through innovation, engineering excellence, and sustainable solutions. The organisation operates worldwide, providing high-tech solutions for civil and military applications. This is a hands-on role ideal for experienced fitters or assembly operators with a background in engineering and a passion for precision work in the aerospace sector. Key Responsibilities Interpret engineering instructions and aircraft drawings Carry out fitting tasks to required standards, including drilling, shimming, and sealing using hand and power tools Work at heights and in confined spaces (tank work), including physically demanding wing access and egress Required Skills & Experience Completed a full engineering apprenticeship (e.g., Aircraft/Sheet Metal Worker, Fitter/Turner, Maintenance Technician, Tool Maker) Hold NVQ Level 2 & 3 (or equivalent) in an engineering discipline Previous experience as a Fitter/Assembly Operator, with confident use of hand tools This is a fantastic opportunity to work with a leading global aerospace and defence company . Share your updated CV at to apply now! JBRP1_UKTJ

Commercial Manager - Defence Location: Portsmouth - 2 days a week onsite Salary: £75,000 - £80,000 plus 20% bonus + benefits Must be able to obtain SC Clearance and willing to undergo DV clearance We are working with a Southeast England based team that are delivering a number of technical products for the defence sector and are looking for a Senior Commercial Manager to join them as they open offic click apply for full job details

SC Cleared Network Engineer - Permanent Role - Up to £70K - Hybrid Working - Corsham iO Associates are currently looking for x5 SC Cleared Network Engineers to join our client on a permanent basis - these roles are offering up to £70,000 base salary. You'll be asked to be onsite in Corsham 2-3 days a week and you must hold active SC Clearance as you'll be working on an MOD project. Our client is building out a team of Network Engineers for a brand new programme of work - we can be flexible with start dates / notice periods. Here's what we're looking for: Minimum three years' industry experience with detailed knowledge and hands-on experience in the design, implementation and troubleshooting of: Hierarchical IP subnetting OSPF and BGP Enterprise routing, switching and firewall platforms Cisco Nexus Cisco IOS XE Leaf and Spine architectures VXLAN overlays Dual Cloud Dual Hub DMVPN Firewall IPS/IDS AAA platforms such as ISE TRL crypto configuration and key management Full QoS configuration and optimisation This is an urgent requirement so our client will be reviewing CVs this week and are planning to speak with suitable candidates next week. Please apply below or send across an up to date CV and a mobile number for me to call to the email address below. Email - SC Cleared Network Engineer - Permanent Role - Up to £70K - Hybrid Working - Corsham JBRP1_UKTJ

Stress Engineer Broughton, UK (Onsite) Night Shift or Double Days (Shift Allowance Applicable) 6 months contract (extension possible) £46 - £52 per hour Inside IR35 + Shift Uplift Night shift (Monday-Thursday 8:45pm-6:00am) - 30% shift allowance OR Double days (alternating mornings and afternoons) - 20% shift allowance A T400 Stress Engineer is required to support a major international aerospace and space organisation at its Broughton wing manufacturing facility. The organisation is a global leader in aerospace, defence and space systems, delivering advanced aircraft, satellite and launch solutions worldwide. This opportunity sits within the Wing Plant Engineering Team, supporting structural analysis activities on live production aircraft structures. Key Responsibilities Perform static structural analysis on metallic and composite aircraft structures Analyse and validate structures at component level for static strength and fatigue & damage tolerance (F&DT) Produce strength margins and reserve factors in accordance with validated Airbus methods and sizing processes Provide stress analysis support for concessions, repairs, and structural acceptance activities Ensure compliance with airworthiness requirements for aircraft structures Work closely with plant engineering and manufacturing teams to support production operations Required Skills & Experience T400 Stress Approval / Signatory status (essential) Strong background in aircraft structural stress analysis Experience analysing metallic and composite aircraft structures Concessions and repair stress analysis experience Aviation background (essential), ideally with Airbus product knowledge This is an excellent opportunity to join a high-performing aerospace engineering team, working directly alongside wing production in a fast-paced, technically challenging manufacturing environment. Please note: The company cannot provide sponsorship. Candidates must have the existing right to work in the UK. JBRP1_UKTJ

Manufacturing Engineer - New Model Contract: 15 Months Rate: £38 Per Hour Inside Ir35 About the Opportunity We are supporting a globally recognised manufacturer operating at the forefront of engineered products , known for delivering complex, high-quality solutions through precision manufacturing and continuous innovation click apply for full job details

JOB DESCRIPTION Job Title: Lead Solution Architect (Export-Controlled Engineering & Design) Industry: Nuclear Power & Submarines Division Start Date: ASAP Employment Type: Permanent THE OPPORTUNITY My client is driving export-controlled engineering programmes for next-gen nuclear power stations and submarine propulsion systems - high-stakes, US export-compliant designs demanding structural integrity, pr click apply for full job details