software systems engineer jobs in Cheltenham

Senior Systems Engineer - Defence Communications£65,000 - £70,000 | Midlands (Hybrid 3/2) | Defence TechnologyA defence communications company is seeking a Senior Systems Engineer to lead technical development of tactical datalinks, spectrum monitoring systems, and battlespace communications.The Role:Define system architecture and requirements for defence communications productsLead...

PROJECT DESCRIPTION Join a fast-moving, outcome-driven engineering team that builds high-quality simulations and real-time experiences using commercial and proprietary game engines. You’ll shape how we exploit, extend, and integrate engines to solve complex systems problems, influence product roadmaps, and mentor engineers across disciplines. If you love squeezing performance from engines,...

Role: Embedded Software Engineer Location: Cheltenham (3-4 days on-site) Duration: 12 months initially Rate: Up to £80/hour Umbrella inside IR35 Key Activities Engineer with experience on the Software Development Lifecycle (DO-178C/SEAL) and in the following: - - Preparation of the technical specifications and interfaces for Electrical Power Distribution System, including review and...

You will prepare estimates, work plans, and assist with performance reporting. Your technical expertise and coordination will ensure outcomes meet client and project requirements. "This position is designated as part-time telework per our global telework policy and may require at least three days of in-person attendance per week at the assigned office or project.

Opportunity: Copello is partnering with a Defence client to recruit a Principal Control Systems Engineer to join their team. In this role, you will use your expertise in PLC and SCADA systems to design, develop, and support advanced control and HCI solutions for naval platform management systems. This is your chance to work on high integrity systems in a secure, highly regulated defence...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Join JLR as a Vehicle Test Engineer – ADAS. Join JLR and play a key role in shaping the future of driving technology. We’re looking for a Vehicle Test Engineer – ADAS to help validate and refine advanced driver assistance systems that make vehicles safer, smarter, and more intuitive. In this role, you’ll work within our Assisted & Automated Driving (AAD) validation team, preparing vehicles for...

Senior Systems Engineer – Satellite Communications Location: Hereford, Herefordshire (Hybrid – 3 days onsite) We’re partnered with a well-established UK engineering organisation operating at the forefront of satellite communications and RF systems. They are looking to appoint a Senior Systems Engineer to take ownership of complex products used in critical SatCom infrastructure worldwide. This...

A fantastic opportunity has arisen for a Senior Electronics Systems Engineer – Design Authority to join a specialist engineering team responsible for a safety-critical electronics subsystem supporting complex weapon system programmes. This role performs the duties of the Design Authority for a critical launch-related electronics system and reports into senior engineering leadership, holding...

Senior Systems Engineering Consultant Bristol (Hybrid Working) Salary negotiable depending on experience Responsibilities: - Research and concept development of systems solutions. - Development and management of system requirements. - Development of abstract architectures to describe systems. - Design process engineering for hardware, software, and mixed technology systems. - Systems safety...

You will have experience in one or more of the following areas but you donotneed experience in everything listed: - Java, Python, JavaScript, TypeScript - Angular, React, Vue

You must be aUK citizenand have lived in the UK for the past10 years

You must already holdhigh-level UK security clearance

Project Manager – Building Management Systems (BMS) Slough £65,000 - £75,000 Basic + Bonus + Car + Training + Technical Progression + Pension + Healthcare About the Role We are seeking an experienced Project Manager with a strong background in Building Management Systems (BMS) to lead the delivery of projects across commercial and industrial environments. This role is responsible for managing...

About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python engineer to join our...

Competitive package with bonus, strong pension and flexible/remote options. Why you’ll love this role - High-impact consultancy work with progression - Work-life balance and technical development What you’ll be doing - Research and develop system concepts - Define/manage requirements and safety - Evaluate performance and integrity - Solve complex client problems What we want from you -...

Senior System Engineer (AI/ML) | Permanent position - Location: Central London - Onsite: 5 days a week (South Kensington / Waterloo) - Salary: Up to £82,500 + Excellent Benefits - Available position: 2 positions Our client, an IT consulting and services provider, is seeking an experienced AI/ML Platform Engineer to support a transformative project within the UK education sector. You'll play a...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products.

You will have real ownership, influence over technical decisions and the space to build things the right way.

You will be trusted to take responsibility across the stack, including

Software Engineer Tech Stack: C# / .NET / Git / Azure Location: Fully Remote (no office travel required) Salary: £55,000 – £65,000 + Benefits This is an excellent opportunity to join a small but growing insurance software company, as they look to expand their development team. You’ll work across a variety of initiatives, including their core product development, system migrations, and...