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Contractor 21
Information Technology Unknown Status heating engineer

21 heating engineer jobs found

CL
Apr 19, 2026  
Risk IT Business Analyst
A Senior Business Analyst will sit within the Group Risk IT team and act as the primary BA representing the Group Risk stream. This role requires strong IT delivery capability, deep understanding of risk data, and experience working within both 1st and 2nd line risk functions. You will be responsible for defining data, process, and reporting requirements across Market Risk, RepoClear, and Group Risk stakeholders ensuring the correct risk datasets are captured, controlled, and made available across the business. Duration: initial 6 months Rate: up to £600pd inisde ir35 via umbrella Hybrid: 3 days a week in London-based office Key Responsibilities Lead the business analysis for the Group Risk workstream within a major RepoClear project. Work closely with the 2nd Line Risk team to gather requirements for dashboards, controls, and reporting needs. Partner with the 1st Line Risk team, RepoClear SMEs, and IT teams to define end‑to‑end processes, data flows, and system...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Apr 19, 2026  
DevOps Engineer
DevOps Engineer – eDV Cleared Ncounter is supporting a specialist consultancy delivering into highly sensitive National Security programmes, now seeking an eDV Cleared DevOps Engineer to join a greenfield platform build. This is a highly technical role blending software engineering and DevOps, with a focus on building secure, scalable systems while advising clients on engineering best practice. You will design and optimise CI/CD pipelines, automate infrastructure, and contribute directly to backend development using Python or Java. Alongside delivery, you will act as a consultant, helping shape DevOps strategy and platform evolution within a secure environment. Key Responsibilities Build and improve CI/CD pipelines and automation tooling Develop backend services in Python or Java Implement infrastructure as code across cloud environments (AWS preferred) Enhance system reliability, scalability and performance Advise stakeholders on DevOps strategy and engineering practices...
IR35 Status:
Unknown Status

CV-Library BS1, Box Makers Yard, City of Bristol Contractor
CL
Apr 19, 2026  
AWS DevOps Engineer
Your New Company and Role A leading organisation is seeking a DevOps engineer to support its portfolio of services. This is an exciting opportunity to join a forward-thinking company that places a strong emphasis on system availability, stability, and innovation. As a hands-on DevOps Engineer, you'll be instrumental in managing and optimising cloud infrastructure in AWS. You'll work across multiple projects, collaborating with cross-functional teams to design, build, and maintain scalable, secure, and efficient systems. This role offers the chance to contribute to a dynamic environment where strategic thinking and technical excellence are highly valued. What You'll Need to Succeed To excel in this role, you'll bring a strong technical foundation and a collaborative mindset. Key requirements include: Proven experience with AWS and cloud-native technologies Proficiency in containerisation and orchestration (Kubernetes, EKS, Docker) Experience with Helm Charts, Linkerd, and...
IR35 Status:
Unknown Status

CV-Library Edinburgh, UK Contractor
CL
Apr 18, 2026  
Application Software Engineer (C++)
Our client, operating in the Defence & Security sector, is seeking an Application Software Engineer (C++) to join their team in Bristol on a contract basis. This is a unique opportunity to apply your expertise in C++ and embedded software development within a highly specialised industry. The role requires SC clearance and offers the possibility of extension beyond the initial 12-month period. Key Responsibilities: Developing and implementing robust C++ application software Creating and maintaining embedded software solutions Collaborating with cross-functional teams to define and execute software project requirements Conducting software testing, debugging, and optimisation Implementing CI/CD pipelines using tools such as GitLab and Docker Ensuring software integrity and security within virtual environments Producing and maintaining comprehensive documentation for all software projects Job Requirements: Strong experience in C++ application development Proficiency in embedded...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Apr 18, 2026  
Data Warehouse Engineer - 6 Month FTC
Data Warehouse Engineer - 6 Month FTC When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Data Warehouse Engineer Location: Exemplar Health Care Support Centre, Sheffield (Hybrid) Contract: Full-time, Fixed Term Contract Department: IT Salary: Competitive, depending on experience Make a Difference with Data. Join Exemplar Health Care. At Exemplar Health Care, our mission is simple: to make every day better for the people we support and the colleagues who care for them. Data plays a vital role in helping us deliver safe, effective, and meaningful care across our complex care services. We are now looking for a talented Data Warehouse Engineer to help modernise, optimise and scale our data infrastructure so we can deliver even smarter insights to our teams across the organisation. If you love improving data processes, building efficient pipelines,...
IR35 Status:
Unknown Status

CV-Library S9, Tinsley, Sheffield Contractor
CL
Apr 18, 2026  
Software Engineer
Location: London Tech Stack: Python, PySpark, C++ Salary: £550–£850 per day About the Opportunity Hexwired Recruitment is partnering with a well-established organisation in the UK defence and national security sector, delivering highly advanced technology used across government and defence applications. They specialise in complex electronic systems, secure communications, and cyber technologies. Candidates must hold an active Enhanced DV (EDV) / Green Badge security clearance to be eligible for this role. Role Overview As a Software Engineer, you will develop software for advanced electronic and embedded systems, working closely with multidisciplinary teams including hardware and systems engineers. The role is hands-on and engineering-focused, covering the full software lifecycle—from design through testing and deployment. Key Responsibilities * Develop software in Python and C++ for embedded and electronic systems * Handle large datasets and processing using PySpark...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 16, 2026  
AI ENGINEER
Exciting Opportunity: AI Engineer (Contract) - Remote United Kingdom Join Our Client's Cutting-Edge Team Are you ready to take your career to the next level? Our client, a leader in the Higher Education sector, is seeking a skilled and driven AI Engineer to join their innovative team on a contract basis. A remote opportunity. What You'll Bring As an AI Engineer, you'll play a pivotal role in developing transformative solutions for our client. We're looking for professionals with expertise in key areas essential to this position: Proficiency in Artificial Intelligence: A strong understanding of AI principles and their application to solve real-world problems. Passion for Collaboration: Thrive in a team-based setting, working closely with colleagues and stakeholders to drive exceptional outcomes. Adaptability: Comfortable working in a contract role within the dynamic and intellectual environment of Higher Education. You will need the below experience Experience developing AI...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 16, 2026  
Azure Architect Linux
Role : Azure Architect-Linux with Active SC Clearance Location: London, UK(2 days in a week from office, Hybrid) Job type: 6 Months contract with possible extension Job Details: 12+ years of IT experience and minimum of 5+ years of experience on Azure Infra, Azure Migrate, Azure Networking mainly Azure IaaS/PaaS, DC, Cloud, Security, SIAM and Data/Storage areas Azure Key Vault, Azure IAM. Should have worked with the team size of above 5 Infra, technically guided, managed and governed the team. Primary skills: Expertise in On-prem/Public cloud Infra assessments using Azure Migrate Driving the cloud Solutioning Azure activities for large complex migration Ensure that the proposed solution covers Azure strategy, stakeholder management as well as the actual solution covering Business, Application and Infrastructure as well as commercial aspects (in terms of value for money and not commercial costing etc.) Working experience with various industry domains like banking, healthcare,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 15, 2026  
IT Support Engineer
IT Support Engineer – London– 2 Month Contract My client is looking for an IT Support Engineer to manage BAU workload and ticket excess. The ideal candidate will be a personable IT Support Engineer with a professional passion for providing high quality IT support services. There will also be additional M365 project work that you can take part in. Key responsibilities of the IT Support Engineer: -        Handling 1st / 2nd line support tickets. -        Provide first point of contact IT support for users across the business. -        Log, categorise, and prioritise incidents and service requests. -        Joiners Leavers Movers (JLM) -        Escalating complex issues to senior teams. -        Access Requests. -        Setting up devices. -        Additional project work including helping a M365 tenant migration. IT Support Engineer Experience/Technologies: -        Must have experience using the Microsoft stack including Office 365 – Administration and support. -...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 12, 2026  
IT Infrastructure Engineer
Your new company This leading further, and higher education provider has been delivering technical and professional training for over 100 years, supporting thousands of learners each year across multiple campuses in the Lancashire area. As one of the largest college providers of higher education in England, it offers a wide range of career‑focused courses, apprenticeships and degree‑level programmes designed in partnership with industry to meet real workforce needs. With strong links to a top UK university and a long‑standing reputation for high‑quality teaching, the organisation combines industry‑standard facilities, expert staff and an inclusive, supportive learning environment. Its specialist centres provide hands‑on, future‑focused training that prepares learners for skilled employment in key regional and national sectors. Ambitious, innovative and deeply connected to local industry, the organisation plays a central role in developing talent, driving economic growth and...
IR35 Status:
Unknown Status

CV-Library Blackpool, Lancashire Contractor
CL
Apr 12, 2026  
Software Java Engineer
We are recruiting for a Software Java Engineer on contract to work for a leading Defence organisation. The role can be based in their Newcastle offices 3 days per week and remote for 2. Role Overview The Software Engineer will join our collaborative, forward-thinking Agile Scrum team, working on innovative Geospatial software, using the latest cloud-based technologies. The engineer will be involved in every stage of the software development life cycle, from initial design through development, testing, and deployment, delivering robust, scalable cloud-based services. Responsibilities * Develop high-quality, readable, scalable and easily maintained code, using Java and related technologies, meeting requirements and coding standards. * Develop reusable patterns and encourage innovation that will enhance team velocity. * Contribute to quality assurance by writing unit and automated tests. * Conduct design and code reviews to ensure code developed meets coding best...
IR35 Status:
Unknown Status

CV-Library Newcastle upon Tyne, Tyne & Wear Contractor
CL
Apr 12, 2026  
Lead Network Engineer / Architect
Network Comms Architect Exciting opportunity for a Network Comms Architect to join our Rail Infrastructure CIS business. We operate a flexible working policy and would be open to discussing working requirements. We will require an element of office working in one of our regional offices which include Ashby de-la Zouch, York, Manchester, Glasgow. Chippenham and Croydon. This role is for a Network Comms Architect, capable of developing a networks design for various projects. The role will involve taking approved template network architectures and customizing them for the requirements of a project, focusing on that project's connectivity and cybersecurity requirements along with the performance characteristics of the application system hardware. The jobholder will be capable of building and maintain strong communication links with telecoms specialists and project delivery teams and will learn to interpret the views of these group and influence delivery strategy, based on the...
IR35 Status:
Unknown Status

CV-Library Ashby-de-la-Zouch LE65, UK Contractor
CL
Apr 12, 2026  
Senior Ruby Developer
Contract Lead Ruby Developer– (UK Remote) 📍 100% Remote (EU-Based Candidates Only) ⏳ 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud‑based core platform. They are looking for an experienced Senior Ruby Engineer to join on a 12‑month contract, working fully remotely from anywhere within the UK. 🔧 Role Overview You’ll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands‑on development role where you’ll contribute to new features, performance improvements, integrations, and architectural evolution within a high‑performing engineering culture. 💡 What You’ll Be Working On Developing and maintaining backend services using Ruby / Ruby on Rails Building scalable, maintainable components within a cloud-native architecture Collaborating with product, cloud, and DevOps teams to deliver high‑impact...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 09, 2026  
Software Engineer
Software Engineer Certain Advantage is hiring for a Software Engineer based in the Guildford or Newcastle area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineer —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: High-quality, readable, scalable and easily maintained code, using Java. Contribution to quality assurance by writing unit and automated tests. Design and code reviews Sprint planning, reviews, and daily stand-ups in a true Agile environmentThe Individual We’re looking for...
IR35 Status:
Unknown Status

CV-Library Guildford, UK Contractor
CL
Apr 08, 2026  
Senior Data Engineer
Senior Data Engineer – (Tick data, Time-Series; kdb+ / Q ) 3-6 months initially. London 3 days onsite   Are you a Data Engineer with a background in systematic trading who has worked with granular tick market data? Have you built pipelines to allow tick data to be ingested into a time series tech stack utilising kdb+ and Q? If so keep reading!   Certain Advantage are recruiting on behalf of our London based trading client for a Data Engineer to focus on building a scalable data platform for algorithmic trading.   You’ll Identify and implement solutions for Quants and Traders, providing data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics.   Your Project Work: Identify and implement solutions to provide data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics. Work with business Stakeholders to build new and maintain existing real-time and historical data services and...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Apr 08, 2026  
Software Engineering Manager
Software Engineering Manager Certain Advantage is hiring for a Software Engineering Manager based in the Farnborough area. This role is on a contract basis and is site-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineering Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Lead the day-to-day activities of the software team Plan, design, develop, verify, and integrate the software for the high-altitude, long-endurance Zephyr aircraft. Acting as the technical authority for software, ensuring compliance with safety, performance,...
IR35 Status:
Unknown Status

CV-Library Farnborough, UK Contractor
CL
Apr 03, 2026  
Software Engineer (C++)
C++ Engineer Certain Advantage are hiring for a C++ Engineer based in London. This role is on an initial contract till the end of the year and is hybrid. The company We’re working with an organisation that operates globally, helping power homes, transport, and industries with the energy they depend on every day. The role: Implement solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange Implement trading algorithms based on requirements provided by traders and quants Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation Continuously improve the...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 13, 2026  
Configuration Manager
Configuration Manager Stevenage 12 Month Initial Contract   Overview of department: Configuration Management is pivotal to success in developing and delivering engineered products to our customers and frontline users. Through the controlled application and compliance of processes, we give our programmes confidence and assurance in all products that we produce.   Description of the Role Experienced Configuration professional with an ability to provide technical support to the Configuration Management team. Your ability to build networks and foster strong relationships with the team to review, develop and deliver Configuration Management processes and procedures, as well as supporting and technically coaching project Configuration Managers to deliver technical excellence contributing towards the overall success of our business programmes.   What we’re looking for A proven track record of experience within engineering organisations or operational domains, with a strong technical...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Feb 21, 2026  
Software Engineer
Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week.   Your responsibilities: Contribute across the full software development lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset. Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives. Collaborate closely with team members and wider stakeholders to design, implement and test new product features. Contribute...
IR35 Status:
Unknown Status

CV-Library Portsmouth, UK Contractor
CL
Feb 15, 2026  
Human Factors Engineer
Human Factors Engineer – Physical Controls Gaydon, Warwickshire (2–3 days on-site per week) 12-month contract Rate: Negotiable (DOE)  An exciting opportunity has arisen for a Human Factors Engineer to support the development of physical user controls within a leading automotive engineering environment. This role focuses on ensuring that human factors, ergonomics and usability principles are embedded throughout the development of physical user interfaces, working closely with engineering, UX and product teams. Key Responsibilities:  Support the development, cascading and ownership of Human Factors requirements for physical user controls Analyse quality and usage data to support requirement development and issue resolution Provide Human Factors input into the development of new physical user interfaces Support the timely completion of Human Factors assessments (e.g. human error, workload) Complete requirement testing, reporting and documentation Support issue resolution through...
IR35 Status:
Unknown Status

CV-Library Warwickshire, UK Contractor
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