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Contractor 11
Inside IR35 mechanical systems engineer architect

11 mechanical systems engineer architect jobs found

CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 18, 2026  
Data Migration Architect
Data Migration Architect 4 months - initially Bath - onsite 2/3 days per week £545 inside IR35 - umbrella only Active SC clearance required Technical Leadership Own the architecture and design of ETL frameworks for clinical data migrations Define migration patterns, tooling strategy, and deployment approach (batch, real-time, hybrid) Provide technical governance across all migration workstreams Lead architecture reviews, design assurance, and technical decision-making Mentor and guide Data Engineers, Architects, and SMEs across the programmeData Strategy & Planning Define end-to-end data migration strategy, including: Data extraction from legacy clinical systems Transformation rules and mapping specifications Data validation, reconciliation, and quality control frameworks Establish data standards, models, and governance principles aligned to healthcare regulations Develop migration roadmaps, including phasing, cutover strategy, and rollback planning Clinical Data...
IR35 Status:
Inside IR35

CV-Library Bath, Somerset Contractor
CL
Jun 14, 2026  
Software Architect
Our client has an opportunity for a Software Architect to join them on a 12-month contract. Role: Software Architect Hourly Rate: £70 per hour Umbrella - inside IR35 Location: Newcastle Hours: Monday to Friday, 37 hours per week, 12-month contract Clearance: Security Clearance required to start Responsibiltes Work with System Architects to translate business goals and high-level requirements into robust software architectures, balancing performance, security, reliability, and compliance Design scalable, flexible, and maintainable architectures for complex geospatial systems using the latest modern cloud based technologies and tools Identify technical risks early and define pragmatic mitigation strategies Work in an AGILE scrum team, collaborating closely with software engineers, testers and the Product Owner, providing clear guidance and hands-on architectural support Collaborate with development teams to select appropriate technologies, frameworks, and patterns Ensure...
IR35 Status:
Inside IR35

CV-Library Newcastle upon Tyne, Tyne and Wear Contractor
CL
Jun 14, 2026  
Building & Construction Project Leader
Building & Construction Project Leader - Defence Sector £40.00 per hour INSIDE IR35 (Umbrella) 12‑month contract BPSS+ Clearance required (SC highly advantageous) UK Nationals only - Due to nature of work This role offers the opportunity to lead complex, high‑value construction and building services projects within a secure defence environment. The Building & Construction Project Leader will take ownership of CAPEX projects from initial feasibility through to design, delivery and final handover, driving outcomes that support critical national infrastructure. Role Overview The Project Leader will guide multi‑disciplinary teams, shape engineering solutions, and ensure projects are delivered safely, efficiently and to the highest technical standards. This position suits a confident, experienced Project Manager who thrives in environments where stakeholder engagement, technical insight and decisive leadership are essential. Key Responsibilities Establish and lead...
IR35 Status:
Inside IR35

CV-Library Newport PO30, UK Contractor
CL
Jun 13, 2026  
Systems Integration and Test Engineer
Solutions Developer (Systems Integration & Test) £72.54 per hour (Inside IR35) 12 months Bristol - full time on site The Solution Developers will provide the core integration resource within a lab-based development environment, bringing with them a technical background in systems integration, communication systems engineering and networking. Typical duties include : * Integrating hardware and software components into tactical military communication systems. * Support the Solution Architect in creating the System Architecture and lower-level system and sub-system designs * Develop and integrate communication systems against designs. * Perform unit testing and debugging in support of verification and validation. * Support the Solution Tester in defining appropriate Tests. * Collaborating with wider project and engineering stakeholders to realise requirements into solutions. Knowledge: ▪ Windows/Linux based management systems responsible for the provisioning of...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 12, 2026  
Data Engineer Lead Role - Hybrid - Banking
Data Engineer Lead - Tier 1 Bank - London - 6 months Role - Data Engineer Lead Rate - £700 per day (Inside IR35) Duration - 6 months with very likely extension Location - Hybrid / Liverpool Street - 3 days per week in an office in Liverpool Street (London) Role The Data Engineer Lead is responsible for designing, building, and supporting modern data platform, with a particular focus on Databricks, cloud-based data engineering, and leading the migration of legacy Oracle systems into scalable, cloud-native environments. The role supports the organisation's data strategy especially on Finance and Regulatory domain by ensuring high-quality, reliable pipelines and data models that enable analytics, regulatory reporting, and data-driven decision-making. The post holder plays a key leadership role within the Data Engineering function, shaping architectural direction, ensuring engineering excellence, and partnering with Technology, Architecture, and Business teams across the...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Jun 11, 2026  
Network Architect
Network Architect (SC Cleared) 📍 Location: Remote 📄 Duration: 6 Months Contract + Extension 💰 Rate: £50.00 to £70.00 per hour (Inside IR35) 🔒 Security: Active SC Clearance Required A major global IT systems integrator is seeking an experienced Network Architect to support a high-profile, secure public sector transition project. In this role, you will act as the key design authority, translating complex client requirements into robust, high-quality network infrastructure. This is highly collaborative, where you will bridge the gap between initial concepts and technical execution. Key Responsibilities Author and deliver comprehensive High-Level Design (HLD) and Low-Level Design (LLD) documentation, guiding them through internal and stakeholder approval processes. Lead network projects from a design perspective, ensuring all technical deliverables are met with precision. Work closely with Network Engineers and the wider infrastructure team to coordinate the successful...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Mar 12, 2026  
C# / C++ Software Engineer
World Class Defence Organisation is currently looking to recruit 5x C# / C++ Software Engineer subcontractors on an initial 12 month contract.  Desktop C# is the expertise the department are looking for; with some experience with C++ but doesn’t need to be overly extensive. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 12, 2026  
C# / C++ Software Engineer
World Class Defence Organisation is currently looking to recruit 5x C# / C++ Software Engineer subcontractors on an initial 12 month contract.  Desktop C# is the expertise the department are looking for; with some experience with C++ but doesn’t need to be overly extensive. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
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