101 to 125 of 260 Senior Systems Engineer Jobs in England

Senior Security and Fire Systems Service Engineer Full-time, Monday to Friday 08:0017:00 Covering Greater London Fidelity is a progressive and expanding NACOSS Gold and BAFE FIRE Gold accredited Integrated Security and Fire Systems company specialising exclusively in commercial applications. As part … join a friendly, motivated and supportive team with a strong family ethos and outstanding progression opportunities. Fidelitys core services include: Access Control Video Surveillance Systems Audio/Video Entryphone Intruder Alarms IP-Based Systems Fire Alarms Smoke Vents Emergency Lighting Gate Automation Door Automation Key Responsibilities Carry ...

Leidos is seeking a Senior Systems Integration & Test Engineer in Whiteley with hybrid work flexibility. You will design, develop and maintain test scripts and reporting using manual and automated frameworks to support national security missions. You will work within agile/scrum environments, create test … designs and cases from requirements, perform risk-based testing, and collaborate across software and systems teams to ensure delivery of critical capabilities. #J-18808-Ljbffr ...

Transak Inc. is seeking a senior engineer to own critical payment microservices end-to-end, designing and operating systems that move real money across currencies and jurisdictions. You will work across design, implementation, and deployment while collaborating with Risk, Compliance, and Ops teams. The role ...

Canopius seeks a Senior Engineer to lead the design, development, and optimisation of intelligent AI systems powering next-generation applications in a hybrid, London-based setting with Manchester offices. You will architect scalable AI solutions, integrate vector/graph data stores, and drive ...

iPipeline, Inc. is seeking an Experienced IT Systems Engineer to maintain and improve our global infrastructure. You will support on-premises and cloud environments, apply security patches, and help design scalable, reliable systems across multiple platforms. The role requires hands-on experience with virtualization, networking, scripting ...

IonQ, Inc. in Oxford is seeking a highly technical Senior … Software Engineer for the System Orchestration team in System Software. You will build and operate software that calibrates and choreographs our quantum systems, keeping the fleet running with minimal human intervention. You'll work on a control plane that schedules programs, manages exclusive access, streams results ...

Bet365 is seeking a Senior Business Systems Applications Engineer in Manchester. Take ownership of critical enterprise platforms and deliver seamless technical solutions across on-prem, SaaS and cloud environments. This is a full-time role with a hybrid work-from-home policy and a closing ...

bet365 is seeking a Senior Business Systems Applications Engineer to lead the delivery and maintenance of core enterprise applications across cloud and SaaS environments. The role focuses on evaluating architecture, driving improvements, and mentoring teams in a high-volume tech stack. Based ...

iPipeline is seeking an Experienced IT Systems Engineer to maintain and support our critical infrastructure. You will analyze business needs, recommend cost-efficient technology solutions, and contribute to change-controlled process improvements across our IT estate. Based in Cheltenham, this on-site role focuses on stabilizing systems ...

Pension Insurance Corporation (PIC) is seeking a Principal IT Systems Engineer to lead hands-on infrastructure and platform engineering across on-premises and cloud environments. You will act as a technical authority, shaping enterprise platforms and guiding engineers within the IT Operations and Engineering team. In this … senior role, you will drive automation, IaC, CI/CD, and platform resilience while mentoring engineers and coordinating with stakeholders. #J-18808-Ljbffr ...

Leonardo Worldwide Corporation is seeking a Principal Systems Engineer (Networks) based in Southampton to lead network projects that safeguard national interests. This role requires expertise in IP networks, particularly in naval platforms, and involves working collaboratively while providing technical expertise throughout project lifecycles. The ideal candidate should ...

Leonardo UK Ltd is seeking a Network Systems Engineer to design, configure and support secure naval IP networks and virtual environments. The role blends remote work with on-site collaboration in support of a range of defence platforms. You will work within an Integrated Project Team ...

Hamilton Barnes Associates Limited is seeking an HPC Systems Engineer to maintain stable, secure, and high-performing HPC services supporting critical engineering workloads. The role combines operational support with project delivery, including monitoring, capacity planning, queue management, lifecycle management, planned maintenance, and infrastructure improvements to optimise compute ...

Pension Insurance Corporation (PIC) is seeking a Principal IT Systems Engineer to lead the IT Operations and Engineering team in London. The role combines deep infrastructure expertise with cloud and platform engineering, acting as a trusted technical authority across on-premises and cloud environments. You will mentor ...

QinetiQ is seeking a Principal IT Data Systems Engineer to provide Digital Engineering leadership and IT data systems integration expertise to enable projects to meet objectives, working with Project and Programme Management and acting as a Product Owner. Based at Bristol, Amesbury, Farnborough or Malvern ...

Hastings Direct is seeking a Senior Engineer to lead software initiatives in a hybrid role requiring weekly on‐site attendance at Bexhill or Leicester offices and participation in quarterly events. The role supports our CIO‐led tech strategy and AI‐enabled projects across multiple services ...

space, air, land, sea and cyber domains in the interest of national security. Job Title – Senior Software Engineer (Autonomy & Maritime Systems) Job Location – Portchester, UK Job ID – 44405 About this opportunity and L3Harris UK Operating at 10 sites in the United Kingdom, L3Harris supports Britain … land, sea and cyber domains. L3Harris in Portchester is part of our Maritime UK business - a leading global supplier of integrated marine control systems and simulation products for warships, submarines and high-end commercial marine vessels worldwide. Our Maritime UK business has 4 UK locations and together ...

Unity Technologies is seeking a Senior Graphics Engineer to advance the Shader Systems team. You will design, implement, and optimize shader workflows across platforms, collaborating with multiple graphics teams to enhance editor and runtime shader tooling. You will contribute to runtime variant handling and shader ...

Unity is seeking a Senior Graphics Engineer to join the Shader Systems team, tackling shader technology across the engine. You will work with artists and engineers to improve workflows, quality, and performance across platforms. As a senior contributor, you’ll drive shader compiler ...

frontier of large-scale ML infrastructure. This is a hands-on technical role for someone who enjoys going deep on performance modelling, distributed systems, and real hardware behaviour — with direct influence over architecture decisions at scale. What you'll do Build simulation models for compute, memory, interconnect, and communication … behaviour across large-scale ML systems Develop tools to simulate training and inference workloads across distributed accelerator clusters Model distributed execution patterns including collectives, synchronisation, and communication bottlenecks Run experiments and benchmarks on real ML systems to calibrate and validate simulation models Analyse end-to-end performance: throughput ...

Copello are partnering with an exciting defence and cyber organisation developing advanced secure systems that protect lives and enable critical missions. We are speaking with Systems Engineers from mid-level through to senior/principal level who are looking for their next challenge in a highly … technical environment. You will work on complex defence, cyber, cryptographic and secure communications systems, taking ownership, developing your expertise and progressing your career while mentoring #J-18808-Ljbffr ...

Asriel is seeking a Senior Software Engineer to join the core engineering team, focusing on production systems in Rust with ownership across the stack. You will design, build, and ship production software, work with customers and partners, and help ensure reliability and security in customer ...

that aligns our perspectives with those of our clients. About the RoleTHE POSITION The Attack Surface Management team is seeking a Lead Security Engineer to be a key member of our team. This engineer will assist in the minimization of potential attack surfaces through vulnerability management … must. Ability to self-motivate, with an eagerness to dig into potential risks. Ask questions, be curious, dig deeper. BS degree in Information Systems/related discipline or equivalent IT work experience Experience in developing new processes and procedures that match evolving attack surfaces. Excellent oral and written communication ...

Transak is seeking a Senior Software Engineer (SDE 3) to own high-throughput payment microservices end-to-end. You will design, build, and operate Node.js services across currencies and jurisdictions, collaborating with Risk, Compliance, and banking partners. The role emphasizes architecture decisions, mentoring engineers, and staying ...

technology firm in Greater London is seeking a Senior C++ Software Engineer to enhance their unmanned systems software. The role involves developing features that impact live operations, with a focus on C++ programming. Candidates should have experience in robotics or autonomy systems ...