Role: Site Reliability Engineer Location: Bristol (Hybrid; 3 days per week onsite) Salary: £60,000 to £90,000 per annum (Dependent on Experience) Clearance: Must be eligible for SC and/or DV Security Clearance This is a highly collaborative, hands-on role where your technical input directly shapes the scalability and security of complex environments. Key Responsibilities: Architect & Maintain: You'll focus on creating a stable technical foundation that can easily grow and adapt as projects evolve Automate Everything: Utilize tools like Ansible to eliminate manual toil and drive consistency....  more ->

DV Infrastructure Engineer £500 - £600 A Day Outside IR35 Bristol (Hybrid 3 Days A Week) 6 Month Contract iO Associates are currently partnered with a customer in the Defence space who need a DV Infrastructure Engineer to join them on an initial 6-month contract. Requirements: Existing DV (Developed Vetting) clearance DevOps and container technologies (GitLab, Harbor, FluxCD, Kubernetes) Strong VMware skills Strong understanding of networking principles Relevant certifications (VMware, Microsoft, Dell or security) are highly desirable Understanding of Elastic tools If you're an Infrastructure...  more ->

Chief Information Officer (CIO) Employment Type: Contract (Freelance) Location: UK IR35: Outside Job Title: Chief Information Officer (CIO) Day Rate: Contact Me Duration: 12 Months Rolling Start Date: ASAP Role Overview: We are seeking an exceptional Contract Chief Information Officer (CIO) to lead a mission-critical technology transformation within a security-cleared on-prem data centre environment.This engagement is central to improving resilience, security posture, and operational capability across a business-critical estate where availability, control, and compliance are non-negotiable....  more ->

HPC Data Centre SME Employment Type: Contract (Freelance) Location: UK IR35: Outside Job Title: HPC Data Centre SME Day Rate: Contact Me Duration: 12 Months Rolling Start Date: ASAP Overview: We are looking for an experienced High-Performance Computing (HPC)/Data Centre Subject Matter Expert (SME) with a strong cyber security background to support the design, build, and operation of secure, high-availability compute environments. You'll work closely with technical and non-technical stakeholders across architecture, engineering, operations, and security teams. Clearance Requirement...  more ->

SC Cleared User Researcher x 2 £500 p/d Outside IR35 Initial 3 month contract with a 6 month extension likely Largely remote with some expensed travel Overview iO Associates are working on an exclusive basis with a User Centred Design Consultancy to search for 2 x experienced SC Cleared User Researchers for 2 x discovery phase workstreams for a data-sharing product spanning two government departments. The product will inform and shape operational strategy, requiring a strong understanding of complex, sensitive environments and stakeholder landscapes. Key Responsibilities Lead and deliver...  more ->

Role: Delivery Manager Contract: 6 months (likely to extend) Rate: £500-£600/day (Inside IR35) Start Date: June Location: Corsham (3-4 days on site) Clearance: DV cleared Overview We're seeking a Delivery Manager with strong experience in business case development and delivery within a secure/government environment. This role is focused on driving the development, governance, and delivery of business cases, working closely with stakeholders across programme, finance, and commercial teams. Key Responsibilities Lead delivery of business case development Manage stakeholders across senior...  more ->

Frontend Developer Remote with very occasional client visits £450pd - Outside IR35 6 - 8 month contract Primarily Remote - occasional on-site presence at Lisburn (paid for) Our client, an established and successful Technology company are looking for an experienced Frontend Developer to join them on a contract basis They are an industry leading Smart technology company with clients around the globe such as Claridges, Nobu and Belgravia You will be working on a critical-infrastructure platform being developed at Belfast Hospital, currently in a UK Government commercial and financial audit. The...  more ->

Azure Data Engineer Location: Manchester, hybrid, 2 days in office Salary: £45,000-£65,000 Clearance: Active SC required Start date: ASAP We are looking for an Azure Data Engineer to join a team delivering cloud-based data solutions in a secure environment. This is a hands-on role focused on building and maintaining data pipelines, transforming data for business use, and supporting reliable reporting and analytics across the organisation. The successful candidate will work closely with technical and business stakeholders to design, develop, and support scalable data solutions. You'll be...  more ->

Business Analyst - IT Observability Programme Security Clearance: SC (Held with Home office) NPPV3 (desirable) Organisation: UK Home Office/Public Sector Programme Location: UK-based (hybrid/on-site as required) Contract: 3 months (Likely extension) Role Overview We are seeking an experienced Business Analyst to support a major IT Observability Programme. The successful candidate will play a key role in capturing business and technical requirements, supporting delivery teams, and helping establish effective observability capabilities across complex IT services. Due to the nature of the...  more ->

Data Solution Engineer Location: Hybrid, UK Type: Permanent Salary: £75,000-£85,000 Clearance: BPSS minimum, SC clearance preferred We are looking for a talented Data Solution Engineer to join a growing team delivering data-intensive solutions for Defence and Public Sector clients. This is a hands-on, client-facing role focused on designing, building, and integrating resilient data pipelines and platforms that support real operational needs. The successful candidate will work across the full delivery life cycle, from early-stage requirements capture and solution design through to system...  more ->

Senior Network Consultant - Palo Alto 8 month contract Remote - can be based anywhere in Europe £550 - £580 per day (Inside IR35 if UK based).Must speak fluent English as well as either Spanish, Italian or German iO are working with an established and successful Consultancy in their search for an experienced Network Engineer They have a global presence providing expertise in Cloud, Security and Networking. They provide services from Strategy and design through to implementation and support In this role you will be the Subject Matter Expert for Palo Alto SASE, with a strong focus on Prisma...  more ->

Role: Technical Architect Clearance: BPSS to start (MUST be SC Clearable) Salary: £110,000 per annum Start Date: ASAP! Location: Didcot, 5 days per week Benefits: All travel expenses paid iO Associates are working with a favoured Consultancy client of ours on their search for a Technical Architect to join a client based in Didcot on a Full time basis. Responsibilities Design secure technical architectures aligned with BPSS requirements Embed security best practices across project life cycles Lead security assessments and advise on compliant controls Maintain and improve security standards...  more ->

KNX Lighting Control Programmer 6 - 8 week contract Remote - can be based anywhere in Europe £350 - £400 per day, if in UK Outside IR35.Must speak fluent English iO Associates are seeking an experienced KNX Programmer to work with one of the best Digital companies in the UK. They have nurtured a fantastic culture, with industry-leading experts in the modern smart technology space In this role you will support delivery of large-scale Schneider Electric KNX lighting control systems on hospitality projects. The successful candidate will work with their in-house programming team and take...  more ->

Key Requirement - Solution/Integration Architect The project requires a Solution/Integration Architect to bridge technical and functional workstreams, supporting both internal teams and an external integration partner responsible for uplifting integrations into IFS Cloud. Key responsibilities include: Leading integration design and setup within IFS Cloud Supporting API-led integrations (REST APIs via Middleware/iPaaS platforms) Collaborating with functional consultants to adapt integrations for new business processes Defining high-level designs and requirements for customisations where...  more ->

Pricing Analyst Manchester | Hybrid Working Up to £50,000 Want a role where you can genuinely influence how a business grows? We're working with a fast-growing Manchester business looking for a commercially minded Pricing Analyst to join a small, ambitious team and play a key role in shaping pricing strategy, commercial performance, and future growth. This is the kind of opportunity where you won't be hidden away in a large corporate team producing reports for people you never meet. You'll work closely with senior leadership, have real ownership from day one, and be trusted to bring ideas,...  more ->

Role: Senior Software Engineer Location: Malvern (Hybrid; 3 days per week onsite) Salary: £63,000 - £68,000 per annum + Benefits Security Requirement: Must be eligible for SC clearance We're looking for a Senior Software Engineer to join a top-tier global defence innovator. You'll be leading the shift away from Legacy systems and rebuilding them with a modern stack. This is a perfect role if you want to lead the technical direction and keep your hands in the code, without having to worry about the paperwork or people-management side of things. Key Technical Stack Core: Java (Modern versions),...  more ->

Machine Learning Engineer/Data Scientist Location: London/Aylesbury hybrid Salary: £85,000-£100,000 Type: Permanent Clearance: Active SC Clearance required What We're Looking For Analytical, detail-oriented and collaborative. Comfortable on fast-moving projects. Motivated by solving complex real-world challenges across technical and non-technical teams. Key Responsibilities Develop and deploy ML solutions for real-world operational data Work on multi-source, multi-modal sensor-driven systems Build and optimise edge-to-cloud analytics pipelines Apply signal processing, computer vision and...  more ->

Title: Senior Backend Engineer (Node, TypeScript, AWS) Salary: Up to £80,000 plus bonus Location: Fully Remote (UK) Are you a Senior Backend Developer who wants to own features end-to-end and build products used at scale? We're working with a fast-growing, product-led tech business looking for a Node.js/TypeScript expert to join a high-performing squad. You'll play a key role in shaping, building, and scaling core product features, from concept through to release and beyond. This is a hands-on engineering role where you'll combine strong Back End development with architecture input, best...  more ->

Title: Senior Backend Engineer (Node, TypeScript, AWS) Salary: Up to £80,000 plus bonus Location: Fully Remote (UK) Are you a Senior Backend Developer who wants to own features end-to-end and build products used at scale? We're working with a fast-growing, product-led tech business looking for a Node.js/TypeScript expert to join a high-performing squad. You'll play a key role in shaping, building, and scaling core product features, from concept through to release and beyond. This is a hands-on engineering role where you'll combine strong Back End development with architecture input, best...  more ->

Title: Senior .NET Engineer (Data & Product Analytics) Salary: Up to £70,000 D.O.E Location: Bristol (Hybrid) iO Associates client is hiring a Senior .NET Developer to join a fast-moving Scrum team building a major enterprise platform used across the health insurance industry. This is a hands-on engineering role with a strong product analytics focus, where your work will directly shape how the product evolves. You'll be building and enhancing core platform features while also helping establish a new product analytics capability from the ground up, turning user behaviour and system data into...  more ->