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As a Systems Engineer , you will operate in a customer-facing role, helping to deliver a broad range of complex and challenging technical programmes focused on mission-critical solutions for government and security-focused customers. You will act as a trusted advisor, in a role that demands integrity, diplomacy, and determination, with a wide variety of responsibilities. We are a leading technology and engineering organisation, working across security, defence, and intelligence domains. We collaborate closely with our customers to solve complex and unique challenges by bringing the physical and digital together. Key Responsibilities Acting as technical lead and design authority for teams researching, designing, implementing, and supporting products and delivered solutions Supporting the development of business cases and applications for product investment, aligned to a defined product roadmap Applying system design skills across multiple business areas and technologies, including electronic warfare, RF cyber, applications, middleware, and radio systems Providing technical decision-making, problem-solving, and direction to engineering teams Leading technical aspects of bids and producing senior-level technical documentation Planning Integration, Validation, and Verification (IV&V) activities to de-risk delivery Planning and executing domestic and international system installations and integrations Engaging with stakeholders to build consensus on solution viability, benefits, risks, and decision support Key Requirements Experience across system engineering lifecycles, including tailoring and planning Working with commercial managers and external contractors to deliver system installation and deployment at customer locations Chairing and contributing to technical and design reviews Requirements elicitation and management Risk and opportunity management Configuration management and baseline development throughout the lifecycle Knowledge and understanding of Electronic Warfare and, ideally, both military and civil communications systems Appreciation of hardware, firmware, and software, including SDRs, high-speed ADCs, and RF subsystems Understanding of production environments, including design and maintenance of manufacturing equipment and test fixtures Experience with product qualification, safety, and regulatory sign-off Awareness of environmental regulations and legislation Knowledge of EMC regulations and control techniques, working with specialists through to sign-off If you have experience in adjacent domains such as communications systems or radar, you are encouraged to apply, as opportunities for cross-training and development are available. About the Organisation Built on decades of heritage, the organisation offers specialist expertise in sensors, communications, cyber, and data-driven technologies including AI and machine learning. We enable organisations to think and act differently by delivering insights from complex, multi-layered data. We are on an ambitious growth journey, having significantly expanded in recent years with plans for continued growth. Every individual counts. We push technical boundaries together, reinvest in innovation, and empower our people to make a difference. You'll work from a site set in a countryside location in southern England, offering a calm, non-corporate environment with on-site facilities and good transport links. We believe everyone has a responsibility to create an environment where people can bring their whole self to work - with the time, trust, and freedom to succeed. We are committed to Equal Opportunity, Diversity, and Inclusion, and strive to maintain a friendly, creative, and supportive workplace for a diverse workforce and those with additional needs. Benefits and Perks Flexible working hours to support work-life balance Annual bonus linked to company performance and individual contribution Private medical insurance, including cover for existing conditions Competitive annual leave plus bank holidays, with options to buy or sell leave Employee savings and share participation schemes

Job title: Embedded Software Engineer - Aerospace Location: Bristol Salary: 50,000- 60,000 Job type: Permanent iO are currently partnered with an established safety-critical business who have a magnitude of worldwide offices. Currently, they are on the lookout for a Principal Embedded Software Engineer to join on a permanent basis with the reporting office being based in Bristol. Focusing on safety-critical projects within all industries, you will lead the current team in continuing to develop real-time operating systems whilst simultaneously providing excellent service to our development clients. You will also be given the ability to see multiple full product life cycles, right from concept to completion. What we need from you: Proven experience developing software for Real-Time Operating Systems (RTOS) such as FreeRTOS, OPENRTOS, SAFERTOS, or Linux. Strong programming skills in C and assembler Solid understanding of embedded systems design and integration. Familiarity with ARM, MIPS, and Power processor architectures. Experience working at the processor level (e.g., Cortex-M3, Cortex-M4, Cortex-A7). Knowledge of safety-critical software development and related standards, eg IEC61508 Proven ability to lead a team of engineers Eligible for UK Security Clearance This role is perfect for an individual who thrives working in a diverse team and wishes to expand their knowledge and further the teams' ambitions. What we can give to you: Flexible hybrid hours (38 hour week) Annual salary review with an annual bonus (up to 5%) Pension Scheme - we will contribute 8% so you don't have to! Life assurance inclusive of 24/7 online GP appointments 25 days annual leave (increasing with service) High-spec office environment Clear vision for progression If you are looking to develop yourself (and help others) in a highly rewarding and expansive company, then this is the role for you.

Embedded Software Engineer Edinburgh - 3 days on site, 2 days remote per week Permanent iO Associates are working with an outstanding consultancy organisation who are looking to add a new member to their Embedded Software team, due to ongoing growth. They work across a range of different sectors, allowing you the opportunity to explore some incredible technologies. With this role being a senior vacancy, you will have the chance to take ownership of development with the projects that you will be working on. Required skills: Embedded Software development Low level/baremetal Linux operating systems C++ Desired skills: IoT - WiFi, Bluetooth, BLE RTOS - FreeRTOS, ThreadX, Zephyr DSPs They have a fantastic office on the outskirts of Edinburgh, it is a truly collaborative environment that delivers exceptional results for their customers. There is never a dull day, you will have the opportunity to learn about some incredible technologies and work on numerous projects through each year. If you are interested in finding out more, please apply to this advert and we can set up a call.

Embedded Software Engineer Salary: Up to 80,000 DOE Fully On-Site Join a Leading Organisation Shaping Defence and Security Technologies Our Client operates at the forefront of the defence, security, and intelligence industries, delivering innovative solutions across space, air, land, sea, and cyber domains. Known for its commitment to excellence, growth, and fostering an inclusive, dynamic environment, the organisation is recognised as a trusted provider of mission-critical technology. Employees are motivated by impactful work that enhances national security and advances cutting-edge systems globally. If you're passionate about software engineering and eager to contribute to meaningful projects in a collaborative setting, this is an exciting opportunity to join a highly regarded team that values innovation, professional development, and work-life balance. Role Overview Due to ongoing growth and strategic project expansions, our Client is seeking three experienced Embedded Software Engineers to play a pivotal role in developing complex and reliable software solutions. This is a full-time, permanent role based onsite at a key site, supporting critical projects that require close teamwork and operational presence. The position offers the chance to work on high-profile defence projects, delivering technology that makes a difference on a national level. It's a fantastic opportunity for mid to senior level engineers looking to specialise further in embedded systems within a reputable organisation committed to technological excellence. Key Responsibilities Contribute to the development and maintenance of sophisticated embedded software systems, ensuring high standards of reliability and performance. Collaborate closely with multidisciplinary teams to define system requirements and translate them into functional software designs. Produce detailed low-level design documentation, implement solutions, and thoroughly test components in adherence to project specifications. Uphold best coding practices and contribute to continuous improvement initiatives across the development lifecycle. Support and mentor less experienced colleagues, fostering a collaborative team environment. Participate in project reviews, technical discussions, and customer engagements, maintaining focus on cost and schedule targets. Essential Skills & Experience At least five years' hands-on experience in embedded software development, specifically utilising C++ within a professional environment. Strong proficiency with modern C++ standards (C+ or newer) and deep understanding of object-oriented programming principles. Experience working with C or C++ in embedded contexts, including real-time constraints. Knowledge of version control systems such as Git or GitLab. Familiarity with development methodologies including V-model, Waterfall, or Agile frameworks. Experience using project management and collaboration tools like Jira, Confluence, or Mantis. A relevant technical degree or equivalent experience in Computer Science, Software Engineering, or related fields. Eligibility for UK security clearance at SC level or above; willingness to undergo DV clearance is advantageous. Candidates must be UK nationals only, with sole British nationality being essential. Desirable Skills & Additional Experience Practical experience with scripting languages such as Python or C#. Familiarity with multi-disciplinary project environments and team mentorship roles. Knowledge of cyber and electronic warfare systems is a plus but not essential. Experience in developing software for high-security or classified projects. Why Join Our Client? Opportunity to impact national security through innovative defence projects. Secured, stable employment with a recognised leader in defence technology. Competitive remuneration, with a sign-on bonus available. Flexible working arrangements considered upon request. Comprehensive benefits, including private medical insurance, pension contributions, and additional health and wellbeing support. Support for relocation and administrative processes for suitable candidates. Next Steps If you are an experienced embedded software engineer passionate about delivering high-quality, mission-critical solutions, we want to hear from you. Candidates should submit their CV highlighting relevant skills and experience. Applications from those eager to grow their career and contribute to vital national projects are strongly encouraged. Join us in supporting our national defence-apply today to become part of a team dedicated to excellence and innovation.

Join Our Client's Innovative Space Team as a Satellite Electrical Power Systems Engineer About Our Client Our Client operates at the forefront of spacecraft technology within the aerospace sector. Renowned for pioneering developments in low Earth orbit satellite platforms and advanced propulsion systems, they are shaping the future of global connectivity and space exploration. Recognised for their collaborative culture, innovative approach, and commitment to excellence, they attract talented professionals eager to make a significant impact in space technology. Their supportive environment fosters growth, offers comprehensive benefits, and provides unique opportunities to work on cutting-edge projects that push the boundaries of possibility. Role Overview In response to expanding project needs and strategic growth, our Client is seeking a highly skilled Satellite Electrical Power Systems Engineer. This key position offers an exciting opportunity to lead the end-to-end design and development of satellite power subsystems. As a vital contributor to the mission success, you will influence the entire lifecycle of smallsat-class spacecraft, ensuring reliable power integration in demanding ultra-low Earth orbit environments. Your expertise will help expand the capabilities of revolutionary satellite architectures, directly impacting global communications and insight. Key Responsibilities Develop and maintain detailed requirements, architecture, and interface documents for the power subsystem Design and evaluate solar array, battery, and power distribution systems aligned with mission parameters Conduct comprehensive power budgeting and sizing analyses for all mission phases, including contingency planning Model, simulate, and perform worst-case scenario analyses to validate system resilience Select and qualify components suitable for space environments, considering radiation, atomic oxygen impacts, and thermal factors Support manufacturing, assembly, integration, and testing activities for the power subsystem Lead subsystem and system-level testing, including functional, thermal vacuum, and vibration assessments Facilitate design reviews (Preliminary Design Review, Critical Design Review, Test Readiness Review) and ensure system readiness Collaborate with multidisciplinary teams to optimise system efficiencies and perform trade-off studies Participate in launch support and monitor on-orbit power performance, troubleshooting as needed Essential Skills & Experience Minimum of 3 years' experience in spacecraft or satellite power subsystem engineering, with at least one smallsat mission successfully delivered to orbit Robust knowledge of spacecraft electrical systems, including solar array and battery technologies Proven experience with power budgeting, system modelling, and simulation tools Familiarity with space-qualified components and thermal/ radiation design considerations Practical experience in integration and testing within cleanroom environments Strong problem-solving abilities, with the capacity to work effectively within agile, cross-disciplinary teams Excellent communication skills to liaise with suppliers, subsystem teams, and mission stakeholders Desirable Skills & Experience Hands-on experience with power electronics design and fault analysis Knowledge of advanced battery chemistry and thermal management solutions Understanding of satellite system trade-offs and mission optimisation strategies Experience with space authorities' standards and certification processes Why Apply? This is your chance to become part of a pioneering space enterprise that is transforming the satellite industry. Your work will directly influence the development of low Earth orbit satellites that redefine connectivity and data insight. Our Client values ownership, innovation, and collaborative spirit - rewarding your contributions with meaningful roles, comprehensive benefits, and unique career growth opportunities. Join a talented team pushing the boundaries of space technology and making impactful contributions that reach beyond our planet. Interested? If you are an experienced satellite power systems engineer eager to work on revolutionary projects, we want to hear from you. Please submit your CV to be considered for this exciting opportunity.

Quality Management Systems Engineer A high-reliability engineering and manufacturing business is investing in its Quality function and moving decisively toward a "quality-first" mentality . They're looking for a Quality Management Systems Engineer to become a key driver of that shift. They are looking for someone who will own, shape, and continuously improve the QMS, and genuinely put their stamp on how quality is embedded across the organisation. This is an on-site, permanent position, suited to a hands-on systems professional who enjoys influencing stakeholders, improving processes, and turning "the way we work" into something robust, repeatable, and audit-ready. Why this role Integral to a quality-first transformation: quality is being strengthened as a core business priority, not an afterthought. Real ownership and influence: you'll have the space to challenge, improve and standardise the management system. Visible impact: your work will directly affect compliance, product integrity, operational performance and customer confidence. What you'll be doing Owning and developing the Quality Management System (processes, procedures, document control, governance). Driving continuous improvement : identifying gaps, implementing corrective actions, and preventing recurrence. Planning and conducting internal audits ; supporting external audits and customer/regulatory visits. Supporting risk-based thinking and practical process control across manufacturing/operations. Leading/supporting management review , quality metrics/KPIs, and action tracking to closure. Coaching stakeholders so the QMS is used properly day-to-day , not just "written down for audit". What they're looking for Experience in a Quality / Integrated Management System role within engineering/manufacturing (regulated or high-compliance environments beneficial). Strong understanding of management system standards (e.g., ISO 9001; additional standards beneficial depending on sector). Confident communicator who can influence and bring people with them; pragmatic, not bureaucratic. Comfortable working on-site and close to operations to make change actually stick.

Product manager - Telecoms/Datacoms Linlithgow - Hybrid 2 days onsite a week Permanent iO associates are supporting a company developing test and measurement technology that services a range of sectors primarily telecommunications and satellite communications. They are looking to appoint a Product Manager to take on the responsibility for their projects, working with a cross-functional team responsible for guiding new solution concepts from idea creation through validation and development. Skills required Product Manager with 5+ years of experience Experience in a technology or engineering environment Experience as a Product Manager with high-value, low volume technology product. Familiarity with Telecoms/Datacoms would be beneficial Responsibilities Research and engage regularly with users to uncover current and future needs Define and agree the scope of development projects for existing and new products Develop a deep understanding of the company's strategic objectives to deliver products that make effective use of the company's technical expertise They have a fantastic office in Linlithgow; it is a truly collaborative environment that delivers exceptional results for their customers.