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Contractor 9
Information Technology Inside IR35 senior mechanical design engineer

9 senior mechanical design engineer jobs found

CL
Mar 29, 2026  
Senior Backend Engineer
Job Title: Senior Backend Engineer Location: Dunton Essex - 4 days minimum mandatory onsite Rate: £67.15ph Umbrella Co Basis (Inside IR35) Employment Type: Contract (31.12.26) Hours: Standard 37.5 Hours Per Week Reference: F56475 The Senior Backend Engineer plays a pivotal role in driving the technical success in our backend teams. This position involves architecting scalable, resilient, and secure backend solutions and overseeing the technical completion of critical development tasks, often in ambiguous situations. The Senior Backend Engineer is responsible for ensuring that backend code and architectural reviews are aligned with organisational goals, facilitating productive technical discussions, and making decisions to resolve complex backend engineering issues effectively. In this role, the Senior Backend Engineer supports the technical direction for backend development, offering guidance to team members and exemplifying technical excellence in backend practices....
IR35 Status:
Inside IR35

CV-Library SS15, Laindon, Essex Contractor
CL
Mar 28, 2026  
Technical Architect
Technical Architect +7 months+ +Hybrid working in Bristol onsite 20% +SC cleared role +£100 - £105 ph +Inside IR35 We are looking for an SC Cleared Technical Architect to join a major programme delivering secure, mission-critical communications systems. This role is hybrid, with a mix of home working and time on site in Bristol collaborating with engineering teams and customers. The Role As Technical Architect, you will act as the technical authority for complex systems and services, leading the design of secure architectures and guiding engineering teams through key design decisions. A strong understanding of 3GPP technical standards is essential, as this role supports advanced communications and mission-critical technology environments. Key Responsibilities Act as the technical authority across systems and services. Design and evolve secure, scalable architectures aligned to customer requirements and secure-by-design principles. Lead technical reviews, trade-off...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 28, 2026  
Software Engineer – Back End – Java, Spring, GCP
Software Engineer – Back End – Java, Spring, GCP Contract: 9 Months (Renewable) Location: Essex (near Basildon and Brentwood) Office based 4 days a week Rate: £500 per day – Inside IR35 One of the world’s leading engineering companies and a household name is seeking a Software Engineer, Backend Engineer to play pivotal role in driving the technical success in our backend teams. Main Tasks & Responsibilities Software Engineer – Back End – Java, Spring, GCP > Architect scalable, resilient, and secure backend solutions and oversee the technical completion of critical development tasks, often in ambiguous situations. > Ensure backend code and architectural reviews are aligned with organisational goals, facilitating productive technical discussions, and making decisions to resolve complex backend engineering issues effectively. > Support the technical direction for backend development, offering guidance to team members and exemplifying technical excellence in...
IR35 Status:
Inside IR35

CV-Library SS15, Laindon, Essex Contractor
CL
Mar 26, 2026  
Senior Technical Data Solution Designer
Senior Technical Data Solution Designer Location: London Paddington / Reading Green Park (Hybrid – 2 days onsite) Contract: 6 Months Rate: £465–£550 per day (Inside IR35) It Means More This opportunity offers more than just another contract role: * More ownership – Act as the senior technical authority within your data product squad, shaping end-to-end solution design. * More impact – Build trusted business layers and dashboards that directly influence strategic business decisions. * More technical depth – Work hands-on with modern tooling including dbt, SQL, GCP, Tableau and Atlan within a hybrid data mesh environment. The Role We are seeking a Senior Technical Data Solution Designer to join a large-scale enterprise data transformation programme within a complex, fast-paced environment. This is a pivotal, hands-on leadership role — the peak of the technical career pathway within the squad model. It is not a people management role, but a senior individual contributor...
IR35 Status:
Inside IR35

CV-Library W2, Sheldon Square, Greater London Contractor
CL
Mar 26, 2026  
Technical Architect
Senior Technical Architect Location: Bristol (Hybrid Working Available) Start Date: ASAP Duration: 7 months + Rate: £95 - £105 per hour - Inside IR35 Shape the Future of Secure, Mission-Critical Systems Are you ready to lead technical design for complex, high-impact programmes? We're seeking a Senior Technical Architect to provide strategic technical leadership across critical systems and services. This is an opportunity to influence roadmaps, drive innovation, and ensure solutions are secure, resilient, and future-ready. Working in a collaborative, agile environment, you'll take ownership of architectural direction while mentoring others and engaging senior stakeholders. A hybrid working model is available, combining on-site collaboration in Bristol with remote flexibility. The Role As a Senior Technical Architect, you will: Act as the technical authority for systems and services. Define and evolve architectures aligned to customer needs, architectural principles, and...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Mar 25, 2026  
System Engineer - Networks 2089
System Engineer Location: East London (Hybrid – office/home) Rate: £450–£500 per day (Inside IR35) Duration: Initial 3–4 month contract (backlog clearance) with strong potential for extension or permanent conversion Client Environment: Major London Rail customers (TfL, Network Rail – station systems) Overview We are seeking a mid-to-senior Cybersecurity & Network Assurance Engineer to join a high-performing networks team supporting critical rail infrastructure in London. This role will focus on cybersecurity governance, assurance, and technical documentation, ensuring networked systems meet customer, regulatory, and industry standards. You will play a key role in clearing an immediate backlog of assurance deliverables while providing technical oversight to junior engineers and supporting SIEM integration activities. This is a hybrid East London role with no trackside/site access required. Key Responsibilities Cybersecurity Governance & Assurance Produce and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Mar 25, 2026  
Senior RedHat Linux Engineer
Title: Senior RedHat Linux Engineer Location: Wokingham / Hybrid - 2/3 days per week onsite Duration: 6 months Rate: £368 per day inside ir35 SC Clearance is required for this role. We are seeking an experienced and driven Senior Red Hat Linux Engineer to lead the design, build, and ongoing management of enterprise Linux platforms within a dynamic, customer-focused IT environment. The Role You will take ownership of our Red Hat ecosystem, leading a small team of subject matter experts while remaining technically hands-on. You will design, implement, and support resilient enterprise infrastructure, ensuring stability, automation, and continuous improvement across services. Working within an ITIL / DevSecOps-based support model, you will engage directly with customers, produce high-quality documentation, and ensure critical systems remain secure, optimised, and highly available. Knowledge, Experience & Technical Expertise Proven track record in the design, build, and...
IR35 Status:
Inside IR35

CV-Library Wokingham, Berkshire Contractor
CL
Mar 23, 2026  
Software Engineer
DV Cleared Software Engineer (DBA / Data-Focused) Contract: 12 months Location: Cheltenham (5 days per week onsite, occasional travel to Gloucester) Rate: £600 - £750 per day (Umbrella, Inside IR35) UK Eyes only 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...
IR35 Status:
Inside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Mar 22, 2026  
Principal Firmware Engineer
Principal Firmware Engineer Edinburgh 12-month contract Paying up to £75p/h (inside IR35) The Opportunity We are seeking a Senior or Principal Firmware Engineer to join a high-performing engineering team delivering advanced digital systems within the Aerospace, Defence, and Security sector. At Senior or Principal level, you will also provide technical leadership, supporting the delivery of work across multiple engineers while contributing to process improvement and best practice development across FPGA/Firmware teams. Key Responsibilities Design and develop innovative VHDL-based FPGA architectures Apply advanced verification techniques using VHDL or SystemVerilog / UVM Work with currentFPGA technologies from: Xilinx Intel (Altera) Microsemi (semiconductor manufacturer) Develop and integrate high-speed interfaces, including PCIe, DDR3, Ethernet and JESD Analyse system-level documentation to derive detailed firmware requirements Adopt a structured, methodical approach to...
IR35 Status:
Inside IR35

CV-Library Edinburgh, UK Contractor
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