Principal/Staff Level Ruby Engineer - London - £130k + Equity About the Role: This Staff/PrincipalEngineer will play a crucial role in developing core services and infrastructure, mentoring team members, and collaborating with product leadership to drive technical decisions. You'll have the opportunity More ❯
Cowes, Isle of Wight, South East Hybrid / WFH Options
BAE Systems
Job Title: Principal Systems Engineer (Part Time or Full Time) Location: Isle of Wight - Cowes, Chelmsford - Great Baddow or Portsmouth - Broad Oak Salary: Up to £70,600 commensurate with skills and experience. Part time & accruing hours available Put yourself into a dynamic Principal Systems Engineering role at … programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Radar Software Team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Maze
Principal Go (Golang) Engineer | Stealth Fintech | London (Min. 4 days/week onsite in London) Up to £200k + Equity | Hybrid London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source … AI-native "Thin Ledger" —set to replace legacy infrastructure at Tier 1 banks. We're looking for a PrincipalEngineer specialising in Go to lead v1 builds, define architecture, and ship mission-critical backend systems from scratch. What you’ll do: Design & scale a fault-tolerant ledger (Golang … distributed, multi-region infra with five-nines reliability Lead backend, DevOps, and CI/CD decision-making Embed AI into engineering workflows & ops Strong engineer with system engineering & system architectural experience; exceptional communicator across technical and non-technical audiences. Self-motivated, problem-solving mindset; open to non-traditional backgrounds. More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom
Belcan Technical Recruiting (UK) Ltd
Principal Embedded Software Engineer Milton Keynes Full time, permanent position Onsite 5 days per week Our client designs and develops innovative communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. They foster a dynamic, collaborative work environment that encourages learning and autonomy. If you More ❯
Cowes, Isle of Wight, South East Hybrid / WFH Options
BAE Systems
Job Title: Naval Radar Principal Systems Engineer Location: Isle of Wight - Cowes Salary: Up to £70,600 commensurate with skills and experience. Part time & accruing hours available Put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. … plans and shopping discounts - you may also be eligible for an annual incentive. The Radar Systems Engineering team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new More ❯
Principal C++ Software Engineer - World Class Start-up/Deep Tech Principal C++ Software Engineer required for a rapidly growing start-up who have just received a significant amount of funding. You will be looking to use your C++ Engineering or Rust skills within a small … Python Engineers and are looking at bringing on a few key hires to help scale the company and really develop their product. As the Principal Software Engineer you will play a critical role, working closely with the founders and founding team. You will ideally be interested in AI More ❯
Principal Communication Systems Engineer Are you ready to take your career to new heights? Do you want to join a team of innovators and pioneers in the field of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms that is More ❯
components for a wide range of industries, leveraging advanced 3D printing techniques. As they continue to grow, they are looking to bring on a Principal Software Engineer to lead the development of their state-of-the-art metal printing systems. As a Principal Software Engineer, you More ❯
Role: Principal Systems Engineer (IVV) Location: Reading, Onsite Job Type: Permanent Salary: Competitive + Allowance + Bonus Industry: Defence, Cyber Overview Our client is looking for an experienced Systems Engineer to lead integration, verification, and validation (IV&V) across complex, multi-discipline defence projects. You'll work More ❯
london (wimbledon), south east england, United Kingdom
Iglu.com
handle the complexity of modern cruising — all while keeping things collaborative and fun. What you will be doing and why it matters As a PrincipalEngineer at IgluCruise.com, you’ll take technical ownership of the CRM and operations domains , helping to shape the evolution of our enterprise platforms More ❯
Role: Principal Software Engineer Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history at the point … our work varies from client to client so there will be lots of opportunities to experience new domains and new stacks. The role of Principal Consultant often involves leading client accounts holistically—people, delivery, quality, and commercials. As well as ensuring we’re delivering great engineering, you’ll also More ❯
Job Title: Principal Signal Processing Engineer Location: Cowes, Isle of Wight Salary: Circa £65 k depending on skills and experience Put yourself into a dynamic Principal Signal Processing Engineer role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for More ❯
Southampton, Hampshire, South East, United Kingdom
Quest Global Engineering Limited
As a Senior/Principal Systems Engineer, you will work in the Integrated Project Team (IPT) engaged in the development of JEWCS Land and Maritime project. Our Systems Engineers span across range of activities that help pull together all the necessary engineering and technology strands into a high … performance system. As a Systems Engineer, you will bridge the gap between the theoretically possible and the practically implementable. The successful candidate will have experience in system engineering lifecycles including problem definition, systems architecture, verification and validation activities within a project. What you will do: We are seeking engineers More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job Title: Principal Software Engineer – x8 Location: Cowes – We offer flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £68,000 (dependent on skills and experience) What you’ll be doing: Derive and maintain a set of software requirements More ❯
Job title: Principal Systems Engineer - Architecture Location: Frimley We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable dependent on experience What you'll be doing: Playing a key role in systems engineering activity More ❯
Join AZAD as a Principal Software Engineer and design, develop, and test software for industry leading laser via drilling systems. This position will define and execute software development plans and roadmap, analyze and determine system software test standards and procedures, and determine hardware compatibility and/or hardware More ❯
Portsmouth, Hampshire, United Kingdom Hybrid / WFH Options
Gold Group Limited
Sector: Client Delivery, Defence, Engineering Type: Permanent Contact: Nick Taylor Job Published: 1 day ago Job Title: Principal Combat Systems Engineer Location: Portsmouth - Hybrid - 2-3 days in office per week Role Type: Permanent Our client, an established multinational engineering firm, requires an experienced Principal Combat Systems … Engineer to join their multi-disciplined team. This unique and specialist team provides expertise to physically integrate the Combat Systems sub-system equipment within a complex engineering-to-order warship design programme. Responsibilities: Engage with internal and external stakeholders to ensure customer and business needs are met, proactively solving … compartments. Candidate Requirements: A relevant engineering or scientific degree, with proven experience/competency in Combat Systems. Membership of a professional organisation and Chartered Engineer (CEng) status or working towards it. Experience managing a technical team, providing coaching and mentoring within the Combat Systems domain. Experience as a Combat More ❯
We are currently looking for a Principal Embedded Software Validation Engineer, for our client, a producer of cutting-edge integrated electric motor and power electronics modules for the automotive, aerospace, industrial machinery, robotics, and green technology sectors. The successful candidate will lead the validation efforts for embedded software … in high-performance traction and propulsion inverters. The Principal Embedded Software Validation Engineer will: Lead the design and execution of test plans for validating embedded software in traction and propulsion inverters. Utilize SIL, MIL, and HIL simulation platforms (especially dSPACE) for thorough software validation. Drive the development and … CANoe) for real-time diagnostics, fault analysis, and communication testing. Define and implement fault detection strategies and diagnostics validation for inverter control systems. The Principal Embedded Software Validation Engineer will have: Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Mechatronics, or related field. 6+ years More ❯
Join Our Client’s Cutting-Edge Team as a Principal Communication Systems Engineer! Our client is at the forefront of developing cutting-edge communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. Their dynamic and cross-functional work environment fosters learning, development, and engagement. … Position Overview: Our client is seeking a Principal Communication Systems Engineer. If you enjoy working in a start up environment and are passionate about developing leading-edge phased array antennas and radios for satellites, spacecraft, and aerospace systems, we want to hear from you. Key Responsibilities: Define requirements, integrate … the future of space communications. Their collaborative culture ensures every team member can contribute and grow professionally. This is a fantastic opportunity for a Principal Communication Systems Engineer to design and own new cutting-edge products in a fast-paced, innovative environment and benefits from a competitive salary More ❯