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As an experienced Software Engineer, you will work within/lead a team of skilled design engineers, to supply high quality products and systems to the Defence Industry. The successful candidate will be experienced in translating system requirements to innovative software design solutions, leading to successful customer acceptance within project timescales and budget. The successful candidate will have experience in a software team lead role, defining, supervising and mentoring the work of other engineers. What you'll do Responsible to the project technical design authority for the quality of work produced by the team. Responsible to the Project Manager (PM) for estimating, monitoring and meeting project timescales. Defining architectural and detailed software designs as part of the wider system definition. Working with the multi-disciplinary engineering team to define interfaces to firmware and electronics to ensure that overall system requirements are met. Presentation of designs at all stages within the project teams and to the customer. Monitoring software compliance with project and company, procedures and standards. Day to day management of the software team, in conjunction with the PM, to ensure the best use of available resources and efficient completion of assigned work packages.What you'll need Architectural and detailed design of software. Implementation and test of software in C++ to industry and company standards. Experience of industry standard IDE tools on Linux and Windows™ platforms. Use of version control tools in accordance with company procedures. Experience of structured software verification and validation against a contractual requirement set. Software team leadership possessing the technical experience and soft skills required to lead, mentor and supervise a team of software engineers. Ability to produce clear and precise technical documentation and to communicate effectively within the project team and with customers and senior management. Use of structured design tools, particularly Enterprise Architect, for expressing structured UML based design. Experience of the implementation and test of software for acoustic signal processing. Experience of embedded and real time application software. Experience of system integration and acceptance activities. Experience of software implementation using Docker containers or similar. Presentation of designs at all stages within the project teams and to the customer. Monitoring software compliance with project and company, procedures and standards. Day to day management of the software team, in conjunction with the PM, to ensure the best use of available resources and efficient completion of assigned work packages.Qualifications, Skills & Experience At least a BSc Degree in Engineering, Maths or Science subject or equivalent experience. Ability to attain DV or SC UK security clearance. Full driving license. Proactive Global is committed to equality in the workplace and is an equal opportunity employer. Proactive Global is acting as an Employment Business in relation to this vacancy

Senior Software Engineer Location: Chertsey / Portland (with UK travel) Salary: Competitive + benefits An established engineering organisation operating within the Defence sector is seeking a Senior Software Engineer to join its growing team. This role offers the opportunity to work on advanced systems and products, contributing across the full software development lifecycle within a collaborative, multi-disciplinary environment. The Role Reporting to the Principal Engineer, the Senior Software Engineer will play a key role in the design, development and delivery of high-quality software solutions. You will lead and mentor a team of engineers, ensuring projects are delivered to specification, on time and within budget. Key Responsibilities Take responsibility for the quality of software delivered by the team to the project technical authority Support the Project Manager in estimating, monitoring and meeting project timescales Define software architecture and detailed design as part of wider system development Work closely with multidisciplinary teams to define interfaces with firmware and electronics Present software designs internally and to customers at all project stages Ensure compliance with company and project standards, procedures and best practices Lead, mentor and supervise software engineers, ensuring effective delivery of work packages Support system integration, testing and customer acceptance activitiesThis is not an exhaustive list and responsibilities may evolve in line with business needs. What We're Looking For Strong experience in software architecture and detailed design Proven background in C++ development and testing to industry standards Experience working with Linux and Windows development environments Familiarity with version control systems and structured development processes Experience in software verification and validation against defined requirements Demonstrated experience leading and mentoring software teams Ability to produce clear technical documentation and communicate effectively with stakeholders Experience using UML design tools such as Enterprise Architect Knowledge of embedded and real-time systems Experience with system integration and acceptance testing Exposure to Docker or containerised software environments (desirable) Experience in acoustic signal processing (desirable) Qualifications, Skills & Requirements Degree (BSc or equivalent) in Engineering, Mathematics, Science or related discipline Ability to obtain UK Security Clearance (SC or DV) Sole UK nationality required due to project constraints Full UK driving licence Willingness to travel occasionally within the UK between sites Working Hours Full-time, permanent position Flexible working with core hours: 09:30 - 12:00 14:00 - 16:00 Additional flexibility available What's On Offer Competitive salary with paid overtime or time off in lieu (up to 24 extra days leave) Flexible working environment Pension scheme with employer contribution Private medical care with nationwide coverage Holiday shutdown over the Christmas period Ongoing training, development and career progression opportunities Salary sacrifice schemes (including tech and Cycle to Work) Gym discounts and access to onsite facilities Company-provided equipment for office and home working Relocation support available Ready to Apply? Send your CV or get in touch with Aastha Khurana (phone number removed) Alternatively, apply directly to this advert for immediate consideration. Proactive Global is committed to equality in the workplace and is an equal opportunity employer. Proactive Global is acting as an Employment Business in relation to this vacancy

Senior Software Engineer Defence Technology | Chertsey, Surrey | Hybrid (2 days on-site) | Up to £80,000 + Package The Company A well-established, specialist defence and technology business based in Chertsey, Surrey. Operating as a flat, agile SME, the company delivers high-quality systems and products into the defence sector, offering genuine exposure across the full engineering lifecycle. You will be working in a technically driven environment where individual contribution has real impact on the business and its customers. The Role We are looking for a Senior Software Engineer to work within and lead a team of design engineers, delivering innovative software solutions into complex defence programmes. You will be responsible for translating system requirements into robust software architectures, managing delivery against project timescales and budget, and mentoring junior engineers within the team. Key Responsibilities Define architectural and detailed software designs as part of the wider system definition Lead and mentor a software engineering team on a day-to-day basis Work cross-functionally with firmware and electronics engineers to ensure system-level requirements are met Monitor software compliance with project and company standards Present designs at review stages both internally and to customers Manage estimation, planning and progress against project milestones What You'll Need Strong C++ development experience, ideally to industry standards on Linux and/or Windows platforms Experience in acoustic or RF signal processing (essential) Familiarity with structured UML-based design tools (e.g. Enterprise Architect) Experience of software verification and validation against contractual requirements Exposure to embedded or real-time application software Experience with Docker containers or equivalent containerisation Strong technical documentation and stakeholder communication skills Degree in Engineering, Mathematics, Computer Science or a related STEM subject (or equivalent experience) Eligibility to obtain UK SC security clearance Sole UK National from birth (required for security clearance purposes) Full UK driving licence What's On Offer Up to £80,000 base salary plus package Paid overtime or time off in lieu (up to 24 additional days per year) Flexible core hours (09:30-12:00 and 14:00-16:00) Competitive employer-matched pension Private medical care Onsite gym access Salary sacrifice schemes (cycle to work, tech) Structured training and career development Holiday closedown over Christmas/New Year Relocation package available Candidates must hold Sole UK Nationality from birth. TPBN1_UKTJ

Are you an experienced Software Engineer ready to take the lead on cutting-edge defence technology? Join a specialist engineering company based in Chertsey, delivering bespoke software and integrated systems for mission-critical military applications. My client designs, develops, and integrates advanced solutions that operate in some of the most demanding environments. This is an opportunity to work at the forefront of innovation, contributing to projects that truly matter. As a Senior Software Engineer based in Chertsey, you'll play a key role in leading the design and delivery of high-integrity software systems. Working closely with multidisciplinary teams, you'll transform complex system requirements into robust, innovative software solutions. You'll also take on a leadership role-guiding, mentoring, and supporting a team of engineers to deliver projects on time, within budget, and to the highest standards. What you'll be doing as a Senior Software Engineer based in Chertsey Lead the architectural and detailed design of software within complex systems Translate system requirements into effective, high-quality software solutions Develop and test software (primarily in C++) to industry and company standards Collaborate with electronics, firmware, and systems engineers to ensure full system integration Present technical designs internally and to customers at all project stages Ensure compliance with company processes, standards, and best practices Support project planning, estimation, and delivery alongside the Project Manager Manage and mentor a team of software engineers, driving performance and development Contribute to system integration, verification, validation, and customer acceptance What we are looking for Essential: Strong experience in software architecture and detailed design Proven background in C++ development and testing Experience working with Linux and Windows development environments Familiarity with version control and structured development processes Experience leading or mentoring software teams Excellent communication skills and ability to produce clear technical documentation Experience with UML-based design tools (e.G. Enterprise Architect) Qualifications & Requirements Degree in Engineering, Mathematics, Science (or equivalent experience) Ability to obtain UK SC or DV security clearance Sole UK nationality Full UK driving licence Willingness to travel between Chertsey and Portland as required What you'll get Full lifecycle exposure - shape your career across design, development, and integration Flexible working hours - core hours with flexibility around your day Paid overtime or time off in lieu - up to 24 additional days leave per year Holiday shutdown - enjoy time off over Christmas Competitive pension scheme Private medical care - access to a nationwide network of clinics Training & development - continuous upskilling opportunities Salary sacrifice schemes - including tech and bike options Gym benefits - discounts or onsite gym access in Chertsey Company tech - full home and office setup provided Relocation support - making your move easier If you are keen to hear more about this interesting Senior software engineer position for my client based in Chertsey, please send over an updated CV to or call 01582 878839 to discuss the opportunity in more detail. TPBN1_UKTJ

Principal / Director / VP – System Architect (GPU / SoC / Platform) – UK / Europe (Flexible / Hybrid) – £150,000 – £200,000 base + 30% bonus. Principal / Director / VP – System Architect Role & Responsibilities:. Ownership of system-level architecture across next-generation platforms.

SeniorSystemModelling Engineer Lincoln (LN6) Salary £45,000 to £60,000 DOE 25 days annual leave inclusive of up to 3 days Christmasshut-down Buy or sell up to 5 days annual leave Annual Wellbeing allowance Two pension schemes to choose from Private Medical Insurance discounts foradditionalfamily

Pega Senior System Architect (SSA). Senior System Architect (SSA) certification. Pega Senior System Architect (SSA) – Process Mining Expert - Start ASAP - 12 months - Remote working.

Perform a deep-dive security audit of all existing backup systems, storage locations (on-premise and cloud), network paths, and access controls. Design a hardened backup architecture incorporating principles of least privilege, network segmentation, and zero trust. Assist in creating a dedicated inc

A fintech company in Greater London is seeking a Senior Design System Designer to lead the evolution of their design system.

We require a senior engineer with deep domain experience in trading systems to guide architectural decisions, ensuring our systems are optimized for market microstructure, latency, and risk safety. Architectural Advisory – collaborate with the Head of Technology to define the system architecture a

Within Technology, Design Engineering maintains the Marex Design System as a production-grade engineering artefact, while the Design Systems Architect owns the architecture and standards that govern it. The Design Systems Architect is responsible for defining what the Marex Design System is — its

The position, ending March 31, 2027, involves architecting software, managing projects, and providing architectural guidelines. A key technology firm in the UK seeks a Software Architect Engineer for a contract role inside IR35.

The System Architect is responsible for designing, developing, and overseeing the implementation of complex systems architecture. The System Architect ensures that systems are scalable, reliable, and meet the organization’s needs. Creates comprehensive architectural designs for systems, ensuring t

Work closely with our system development, product management and project engineering teams to specify the network and physical system architecture of the systems and equipment modules we are deploying worldwide. Demonstrated experience leading system-of-systems integration across platforms, sensors,

World Wide Technology is looking for a System Architect in Greater London, responsible for designing, developing, and overseeing complex systems architecture. The ideal candidate must have 5-7 years of progressive experience in a related field and a strong understanding of system architecture princi

A leading global investment firm in London seeks a skilled Product Designer to enhance its design systems.

We are seeking a System Architect to help lead the design and integration of advanced software and hardware systems across our autonomous vehicle platform. Demonstrated experience with system documentation, including requirements, architecture and Interface Control Documents (ICDs). Drive the defini

A leading energy data company in Greater London is seeking an experienced professional to design and enhance its sales operating system.

A leading risk management firm in Greater London is seeking a Senior / Principal FACTS System Design Consultant to develop cutting-edge transmission solutions. A Master's degree in Electrical Engineering or a related field and expertise in FACTS system design are required.

A leading semiconductor innovator in the United Kingdom is seeking a Chief AI Architect to pioneer advancements in AI technology. In this role, you will lead the charge in optimizing AI chip architectures and integrating cutting-edge technologies across various domains.

A global financial services firm located in Greater London is seeking a Design Systems Architect. This role involves owning the architecture of the design system and ensuring it meets standards for AI consumption. The ideal candidate will have deep expertise in design systems, strong proficiency in

Applicants must have a strong portfolio showcasing app-related projects, digital design systems, and branding work.

A technology innovation firm in Greater London is seeking a Senior System Architect to lead the design of their hardware architecture, ensuring close collaboration across teams. The role requires proven expertise in systems or SoC architecture, a strong grasp of system-level design, and experience i

We are expanding our team to produce system‑level simulation and analysis tools, which will help model and understand complex systems, assess their performance, verify and validate requirements, and help scope hardware and software implementation. You will take ownership of the architecture, defin

The System Architect is responsible for designing, developing, and overseeing the implementation of complex systems architecture. The System Architect ensures that systems are scalable, reliable, and meet the organization's needs. Create comprehensive architectural designs for systems, ensuring they

A leading audiovisual service provider in Greater London is seeking a Technical Lead to handle the setup and operation of both small and large-scale audio-visual systems.

Within Technology, Design Engineering maintains the Marex Design System as a production‑grade engineering artefact, while the Design Systems Architect owns the architecture and standards that govern it. The Design Systems Architect is responsible for defining what the Marex Design System is — it

Design System Architecture – own the architecture of the Marex Design System, including token structure, component taxonomy, naming conventions, and modularity model designed to be consumed by humans, engineers, and AI tooling equally. The Design Systems Architect is responsible for defining what

Senior System Architect, you’ll define and drive the end-to-end hardware architecture that underpins our products from chip-level interfaces and interconnects through to board design, thermal management, and system-level integration. Proven experience as a Systems Architect, SoC Architect, or simi

A market-leading technology firm in the United Kingdom is seeking an RTL expert to drive innovation and system architecture for their semiconductor design tools. The role involves designing and optimizing high-quality components and requires proven experience in HW design with System Verilog, alongs

Demonstrated experience with system documentation, including requirements, architecture and Interface Control Documents (ICDs). Oversee E2E system integration, collaborating to identify and resolve architectural issues. Drive the definition, evolution, verification, and deployment of dependable, saf

A technology company in Greater London is seeking an experienced Lead Software Engineer to produce clean, testable designs and provide technical leadership.The ideal candidate will have extensive software engineering experience, specifically with PHP, along with a strong ability to lead cross-functi

As a Systems Project Manager, you will become an integral part of a fast‑paced and collaborative IT team. The primary focus of the role is the delivery of MLL’s CRM and ITSM platforms, including associated system migrations, while also overseeing a range of smaller internal initiatives. Solid un

It takes a special kind of drive to keep the world moving; and due to growth, DSV is looking to recruit.A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.DSV are recruiting for a Project Manager to work with

This is not a traditional account management role.Ensuring projects land on time and at a high standard.Creating clarity, structure and accountability across the team.You will report to the founders.You will also take ownership of a number of key client accounts, bringing your experience to our acco

Learning Management System (LMS).

Whilst the initial architecture has been delivered in phase 1, this role will focus on supporting ongoing development, handling ad-hoc architectural changes, and ensuring the platform continues to scale effectively as the programme evolves. We’re working with a well-established organisation based

Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements.Vanta Staffing are recruiting for a number Warehouse Operatives to work for our client based in the Reading area.This will involve general warehouse work

Key Responsibilities Support the Senior Project Manager with the day-to-day running of roofing and construction projects Liaise professionally with tenants and clients throughout project stages Provide administrative and project support including scheduling, reporting, and recording progress Coor

Senior Site Agent / Project Manager.Somerset, Avonmouth & Wales (Framework Projects).We are currently seeking an experienced Senior Site Agent / Project Manager to support a growing workload and strong order book for a well-established civil engineering contractor operating across Somerset, Avonmout

Integrate third-party technology platforms via APIs and ensure system reliability.

Experience with cloud-based systems (e. This role sits at the intersection of satellite payloads, scientific computing, and data delivery systems. You will be responsible for developing and maintaining both the flight and ground software that powers GNSS-based satellite missions, working across syst

Lead the development and maintenance of Golang based cloudnative services Architect and implement microservices and APIs following industry best practices. Experience architecting and implementing microservices and APIs following industry best practices.

The team are now looking for an Embedded Software Test & Validation Engineer to support the system-level testing and validation of advanced baseband and antenna products. You’ll work closely with software, hardware and RF teams to define test strategies, investigate system-level issues and help dr

Contribute to architectural decisions, ensuring systems are scalable, secure, and able to support growth across multiple countries. This role is primarily hands-on, building and scaling backend systems, while also supporting the growth and delivery of a squad of engineers working on high-impact heal

They are hiring an AWS Solution Architect to lead cloud migration and architecture across large-scale, mission-critical environments. This is a strong fit for architects who want to move into more complex, high-stakes environments, where the scale, security requirements and architectural challenges