Alexander Associates

Flight Software Engineer We are working with a client seeking to hire a Flight Software Engineer to support the development of embedded flight software and firmware for upcoming space missions. This role offers the opportunity to work on cutting-edge in-orbit technologies with real mission impact. About the Role The successful candidate will be responsible for developing, testing, and troubleshooting embedded flight software used in critical spacecraft systems. You will contribute across the full software lifecycle, from architecture and design through to implementation, integration, and mission support. The work will directly support in-orbit operations and next-generation space technologies. What You ll Do Develop embedded flight software for spacecraft systems and mission technologies. Architect, plan, and implement firmware/software solutions for system communication and mission coordination. Verify software against systems and mission requirements. Provide flight-software input into overall system design and technical reviews. Lead software tasks for Hardware-in-the-Loop (HITL) testing and support wider test campaigns. Contribute to ad-hoc internal tools for mission analysis and development testing. Produce detailed documentation for software architecture and functionality. Engage directly with government and commercial customers when required. Coordinate software-related tasks with suppliers, partners, and subcontractors. Qualifications Required Bachelor s in Electrical, Software, Aerospace Engineering, or similar, with 4+ years experience OR Master s degree with 3+ years experience. Proven experience in embedded flight software development, including: Bare-metal C programming ARM Cortex processors RTOS or Embedded Linux Low-level driver development (SPI, UART, I2C, CAN, etc.) Hardware actuator/sensor integration and HITL development Experience collaborating within multidisciplinary engineering teams. Strong written and verbal communication skills.

Mechanical Design & Test Engineer Space Sector Our client, a leading organisation within the UK space industry, is seeking an experienced Mechanical Design & Test Engineer to play a key role in advancing their launch capability development, on a full-time contract basis. You ll contribute to an exciting range of technologies and development activities, including: Composites fabrication Infrastructure and facility commissioning Product development across multiple subsystems Integration, verification, and system-level testing Key Responsibilities Produce detailed 3D CAD models and 2D manufacturing drawings (SolidWorks, Autodesk) Lead internal design reviews and support technical discussions with suppliers and clients Collaborate with electronics engineers on subsystem integration including PCBs, sensors, and communications hardware Develop mechanical solutions across structures, propulsion, thermal management, and safety-critical systems Apply Design-for-Excellence (DfX) principles to improve manufacturability and serviceability Create and execute comprehensive test plans, including shock, vibration, thermal cycling, and IP compliance testing Analyse test data, drive design improvements, and contribute to prototype assembly and validation Communicate technical information clearly within a multi-disciplinary engineering team Essential Skills & Experience Degree in Aerospace, Mechanical Engineering, or equivalent professional experience Proven track record in mechanical design for complex electro-mechanical products Strong proficiency in 3D CAD tools and Product Data Management (PDM) systems Hands-on experience with hardware verification and environmental testing Understanding of manufacturing processes such as CNC machining, injection moulding, sheet metal fabrication, and additive manufacturing Eligibility for UK security clearance (BPSS) Desirable Attributes Experience working with composites and advanced material systems Familiarity with systems engineering methodologies Working knowledge of FEA and/or CFD analysis

Technical Lead Permanent opportunity Hybrid role 2-3 days a week in Belfast Competitive Salary (+ Performance related bonuses) Please note this role requires you to gain a Security Clearance Job Description We re looking for a seasoned technical leader who blends deep hands on engineering experience with strong strategic and architectural insight. In this role, you ll guide multidisciplinary teams in designing, building, and delivering robust software solutions. You ll set technical direction, champion engineering excellence, and drive digital innovation for our clients. This position is ideal for someone who thrives on tackling complex challenges, developing people, and crafting scalable, cloud native systems across a range of modern technologies. Our Technology Landscape Languages:JavaScript / TypeScript, Java, C# Frameworks:React, Angular, Vue, Node.js, Next.js, Spring Boot, .NET Cloud Providers:AWS, Azure, GCP CI/CD Tools:GitHub Actions, Jenkins, Azure DevOps Infrastructure as Code:Terraform, Cloud Formation, Azure Bicep AI Integration:Thoughtful and responsible adoption throughout the software lifecycle Key Requirements Demonstrated experience leading and mentoring software engineering teams, combining technical depth with people leadership. Strong communication skills with proven ability to build trust and influence at all levels, especially in client facing delivery. Comprehensive understanding of full software delivery lifecycles from design and development through deployment and operations. Skilled in continuous integration and deployment pipelines, infrastructure as code, and release automation. Proven ability to improve performance through methods such as caching, tuning, and load or stress testing. Solid grasp of contemporary engineering practices including TDD, contract testing, secure coding, and architectural approaches like event driven systems. Analytical mindset with a pragmatic approach to solving complex technical problems. Experience supporting business development activities, including contributing to bids, proposals, and technical presentations.

This role is for an experienced technical leader who can combine hands-on engineering expertise with strategic guidance. You ll lead cross-functional teams to design, build, and deliver high-quality software solutions, guiding technical direction, ensuring best practices, and driving digital transformation for clients. The position suits someone who enjoys solving complex challenges, mentoring engineers, and shaping modern, scalable systems using a variety of technologies and cloud platforms. Our Tech Stack Languages:JavaScript/TypeScript, Java, C# Frameworks:Vue, Angular, React, Node, Next.js, Spring Boot, .NET Cloud Platforms:AWS, GCP, Azure CI/CD:Jenkins, GitHub Actions, Azure DevOps Infrastructure as Code:Terraform, CloudFormation, Azure Bicep AI:Pragmatic and safe integration through the SDLC Essential Requirements Proven experience managing and technically leading software engineering teams. Strong client-facing communication and credibility in technology delivery. Deep understanding of end-to-end software delivery, from development to deployment and operations. Proficiency in CI/CD, infrastructure-as-code, and release management. Ability to enhance performance through load testing, caching, and optimization. Expertise in modern engineering standards TDD, contract testing, secure coding and architectural patterns such as event-driven design. Strong problem-solving and analytical mindset. Experience supporting bids and proposals, able to present technical solutions confidently.