17 cleaner jobs found in Bicester

Change Manager (SC Cleared) 6 Months Reading - 3-4 days per week on site Paying up to £88p/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 Overview: The IT Change Management Manager is responsible for ensuring that all changes to the IT environment are managed in a controlled and coordinated manner, minimising risks to service availability and quality. This includes planning, assessing, authorising, scheduling, and reviewing changes while collaborating with relevant stakeholders to maintain service stability and ensure compliance with organisational policies. Key Responsibilities: Manage the end-to-end IT change management process, ensuring that changes are properly logged, assessed, authorised, implemented, and reviewed in accordance with established governance. Evaluate the potential impact and risk of proposed changes to services, infrastructure,...

Security Architect +On site in Reading +DV cleared role +£700 - £800 a day +Inside IR35 We are seeking a DV Cleared Security Architect to join a Joint Design Team, working on a highly sensitive and mission-critical programme. Reporting directly to the Security Lead, you will play a key role in assuring that Managed Service Provider (MSP) designs and implementations meet the client's stringent security standards and MOD requirements. This is a hands-on assurance and advisory role, operating at both strategic and technical levels within a secure environment. The Role Review and assure high-level and low-level designs produced by MSPs Review MSP security compliance tests, assessments, and evidence Assess and challenge security cases, risks, and design decisions Undertake formal security assessments in line with MOD and client standards Maintain and administer STREAM Provide clear, pragmatic security advice and guidance to the client and stakeholders Skills &...

OT Cyber Security Specialist £430 - £470/day Outside IR35 6 month contract Oxford - 1 day per week on-site We have an exciting opportunity to join a leading UK organisation operating in the critical infrastructure sector. As part of a greenfield initiative, they are building out their OT security capability and require an experienced Information Security Consultant to lead and shape this journey. This role is pivotal in defining and implementing the OT Security Strategy, developing governance frameworks, and introducing robust security controls across OT environments. You'll be working closely with engineering teams and third-party providers to ensure alignment with industry standards and enterprise cyber objectives. You'll be involved in both strategic and hands-on activities, including policy creation, risk assessments, and technical oversight. The organisation operates in a highly regulated environment, so experience with frameworks such as IEC 62443, NIST CSF, CAF, and...

OT Cyber Security Specialist £430/day Outside IR35 6 month contract Oxford - 1 day per week on-site We have an exciting opportunity to join a leading UK organisation operating in the critical infrastructure sector. As part of a greenfield initiative, they are building out their OT security capability and require an experienced Information Security Consultant to lead and shape this journey. This role is pivotal in defining and implementing the OT Security Strategy, developing governance frameworks, and introducing robust security controls across OT environments. You'll be working closely with engineering teams and third-party providers to ensure alignment with industry standards and enterprise cyber objectives. You'll be involved in both strategic and hands-on activities, including policy creation, risk assessments, and technical oversight. The organisation operates in a highly regulated environment, so experience with frameworks such as IEC 62443, NIST CSF, CAF, and ISO 27001...

Network Architect / Technical Architect / Milton Keynes / 6 Month Contract / Inside IR35 / £600 / SC Clearance / Security Cleared  An architect is required to support a major government body with the delivery and management of key national security capabilities. Working with customers, engineering and development teams to support the solution as well as maintaining key business relationships within government and capability ensuring the security of the nation. Providing key technical inputs and governance. Skills · Excellent people skills and an ability to explain and understand technical complexity. · Experience in relevant roles, including technologies in enterprise and virtual environments and of working within a secure environments. · Experience of networking architecture o Network Topology and configuration o Wireless network architecture o Firewalls o Network load balancing o Inter/intra site connectivity o Virtual private network configuration o Public could connectivity...

SC Senior Python Developer / 6 Month Contract / Inside IR35 / £550 / Milton Keynes My Public Sector client is looking for a Senior Python Developer who will be responsible for designing, developing, testing, and maintaining high-quality software solutions using Python. The role focuses on delivering scalable, efficient, and maintainable code while collaborating with cross-functional teams to meet business and technical requirements.   Must-Have Technical Skills Strong hands-on experience in Python with 5+ years building production-grade applications Strong hands-on experience in Golang with 3+ years developing scalable backend services Strong hands-on experience in C# / .NET with 3+ years building enterprise-grade applications Mandatory experience designing, developing, and maintaining microservices-based architectures Strong understanding of distributed systems, service-to-service communication, and fault tolerance Experience building RESTful APIs and integrating services...

Technical Architect / 6 Month Contract / Milton Keynes / Inside IR35 / £640 / Hybrid – 3 days onsite   An architect resource is required to support a major government body with the delivery and management of key national security capabilities. You will be working with customers, engineering and development teams to support the solution whilst providing key technical inputs and governance.   Essential Skills: Experience in relevant roles, including technologies in enterprise and virtual environments and of working within a secure environment Experience of server/operating system (Microsoft and Linux), network technologies, as a minimum Hybrid Cloud, Gateways, PKI, Email, VMware virtualisation platforms (including VCD, VSAN, and NSX), SASE architecture, Cisco Palo Alto Experience creating technical and architectural documents such as options assessments, low and high-level technical designs. DevSecOps experience in automation and improvement in development and release processes...

Databricks SME and AWS Data Engineer Location: UK - Northampton (Hybrid) 6 months UMBRELLA ONLY Project Objective: A key initiative involves migrating from Aerospike to Postgres and leveraging Databricks for back-testing fraud detection models. This role will contribute to the development and integration of Proof of Concepts (PoCs) from the detection backlog. Key Responsibilities: Collaborate with cross-functional teams to architect, design, develop and deliver PoCs related to fraud detection. Lead the ETL & Data manipulation/engineering work on AWS. Integrate Databricks-based back-testing into the fraud detection pipeline. Work closely with architects and other developers to ensure seamless integration with existing systems. Participate in weekly stand-up calls to demonstrate progress and align on deliverables. Take ownership of tasks from the backlog, ensuring timely and high-quality delivery. Required Skills & Experience: Strong AWS Data Engineering expertise....

If you are a versatile and highly skilled Cloud & Full‑Stack Engineer ready to work, support and advance this UK leading companies modern application ecosystem, then please, do read on! This role requires strong expertise across cloud infrastructure, backend microservices, frontend development, and legacy system support. The ideal candidate will possess comprehensive skills in all these areas, ensuring a well-rounded and robust contribution to our technology landscape. Duration: temporary contract for 3-6months or so Rate of Pay PH: £25-£27ph plus holiday pay (circa £48-50,000 if salaried) Location: hybrid. Need to work in the office in Central Bedfordshire for meetings, reviews and handovers, which will be once a week or so. Hours: 35 hrs per week 9am-5pm (1 hr lunch) Days: Mon-Fri Benefits: - free parking - electric vehicle charge points - holiday pay accrual - wfh most of the time - pension after a qualifying period Key Responsibilities * Design, build, and...

Senior Test Data & Analytics Specialist Gaydon, Warwickshire (Hybrid) 12 month contract  Rate: Negotiable (DOE)  We’re supporting a major UK-based engineering organisation with the search for a Senior Data Analytics Specialist to support software and systems testing programmes across multiple engineering domains. This role sits at the intersection of engineering, testing and development, with a strong focus on ensuring the integrity, consistency and usability of testing data created within JIRA and visualised through Tableau. You’ll play a key role in transforming complex datasets into meaningful insight, supporting senior stakeholders with clear reporting and enabling data-driven decision making. Key Responsibilities Analyse software and systems testing data across multiple engineering domains Ensure data integrity, consistency and traceability within JIRA tooling Identify trends, patterns, anomalies and risks within testing datasets Prepare high-quality datasets for...

C++ Software Engineer - Defence Initial 6-month contract Onsite in Reading when required Please note, due to the nature of work this role requires SC level Security Clearance on submission. The role will also be working on UK Eyes Only programmes so the contactor must be a sole British national. Our client, a leader in the defence and security sector, is currently seeking an experienced C++ Software Engineer for a contract position. Based near Reading, this role is largely remote with occasional onsite requirements (25% onsite). The contract tenure is six months with full-time hours (37 hours per week). You will be a key contributor in an agile software delivery team, focusing on the development of high-quality software products and innovating within a crucial defence project. Key Responsibilities: Design, build, and maintain code using industry best practices and contributing to estimation activities. Contribute to the completion of product roadmap features, adding...

Job Description - QA Specialist III (QA Systems) Location: Slough Rate: £17.68 per hour Contract Duration: 5 months Working Pattern: 37.5 hours/week, Monday-Friday Hybrid: Yes - 3 days onsite, 2 days WFH Role Purpose & Scope The QA Specialist III will operate within the QA Systems team and is responsible for supporting the implementation, maintenance, and continuous improvement of global quality systems. This includes document management, system clean‑up activities, deviation/investigation/change control support, cross‑functional communication, on‑site training coordination, and preparation for quality initiatives. The role also contributes to maintaining global standards and documentation procedures while fostering a high‑performance quality culture across the site. Key Responsibilities Support the setup, implementation, and optimisation of new Document Management Systems (DMS) and global quality records systems. Conduct data clean‑up, preparation activities,...

Project Manager (SC Cleared, Telecoms, Utilities) Remote 3–6 Month Contract £300/day Outside IR35 We are seeking an experienced, SC Cleared Project Manager for a remote position, with an immediate availability, ideally in February/March 2026. Mainly remote, however there may be occasional travel to customer sites Wokingham and Warwick.  Ideally experience Critical National Infrastructure project experience Telecoms and Energy Utilities sector. This is a chance to work with an established globally recognised Digital, IT and Network Services Consultancy. Key skills and experience: Experience working in Critical National Infrastructure (CNI) and secure Government environments. Key Responsibilities include Planning and oversight, Resource Management, Risk Management, Stakeholder Management, Performance Monitoring, Budget Management, Team Leadership, Collaboration and Communication. Project Manager lead the Planning, Execution and delivery of projects across the Full...

Senior AI Software Engineer Employment Type: Contract Duration: 12 Months Location: Berkshire, England (1 day per month onsite) Umbrella Rate: £600-£700/day Opportunity Overview We are working with a large, technology-driven organisation seeking a Senior Software Product Engineer to join its Shared Services function. This role will focus on expanding and enhancing Amazon Connect capabilities, delivering innovative contact centre solutions that provide measurable value across the wider business. You will collaborate with established engineering teams to design, build and support scalable, cloud-native services. Working primarily within the AWS ecosystem, you will play a key role in accelerating stakeholder objectives through robust, sustainable technology solutions. Key Responsibilities Design, develop and maintain software solutions leveraging AWS services including Amazon Connect, Amazon Lex, AWS Lambda and Large Language Models (LLMs). Collaborate with cross-functional...

DV Cleared Software Engineer (DBA / Data-Focused) Contract: 12 months Location: Cheltenham (5 days per week onsite, occasional travel to Gloucester) Rate: £550 - £750 per day (Umbrella, Inside IR35) Must hold live UKIC DV clearance used within the last 12 months About the Role An exciting opportunity has arisen for an experienced Software Engineer with a strong DBA background to support a growing national security programme based in Cheltenham. This role sits within a high-performing technical team delivering solutions that have real-world impact across the UK Government sector. You'll work on data-focused systems, contributing across the full software lifecycle while supporting and improving secure Oracle-based platforms and automation using Ansible. Key Responsibilities Design, develop, test, document and support software components within a secure system environment Provide accurate estimates for development effort from given specifications Work with a strong focus on...

World Class Defence Organisation based in Stevenage is currently looking to recruit an Embedded C/C++ Software Engineer subcontractor on an initial 6 month contract.    Hourly Rate: £70.00ph (Umbrella).  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 likely be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday).  Opportunities for occasional remote working. 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   Embedded C / C++ Software Engineer Job Description: The company is a world leader in missile and missile systems looking for a highly capable and adaptable Engineers to join the Development Facility in Stevenage, Hertfordshire. You will be responsible for developing the software through the full lifecycle for...

Software Engineering Manager £750pd - outside IR35 2 days per week, London/Hampshire We need an urgent contract Tech Manager for 6 months for a long standing banking client of mine. Someone with solid Vendor Management experience, who is hands on (not day to day coding) but can roll up their sleeves and get stuck into the change the business is goign through over the next 12 months. They are growing fast, hit profitability this year and we need a people and technology leader to lean in an support the tech teams and technical challenges around new and existing suppliers. This isn't just a delivery role. It's about people, purpose and progress. You'll coach and mentor a team of around five engineers, creating an environment where people feel supported to grow, challenge ideas and do their best work. You'll champion engineering best practice, encourage curiosity, and help embed a culture that's collaborative, commercially aware and outcome-focused. Working closely with product, design...