> Markdown version of [/jobs/ext/4656088-space-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4656088-space-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Space Systems Engineer - **Company:** BAE Systems - **Location:** Alton, IL, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Systems Engineering, Systems Development Life Cycle, Requirements Management, Software Engineering, Software Requirements Analysis, Systems Architecture - **Published:** November 10, 2026 - **Apply:** https://www.careerbuilder.com/job-details/space-systems-engineer-alton-il--d7da18b4-d133-4b43-8363-aef1a9c928f5 ## About the Role Systems Engineering, Aerospace and Defense, Systems Engineering, Requirements Management, System Lifecycle, Software Development Lifecycle (SDLC), Cross-Functional, Team Player, Research & Development (R&D), Technical Support, * 3+ years of experience in systems engineering within the space sector; * Hands-on experience with small satellite programmes (Microsats, Cubesats or similar) preferably across the full project lifecycle; * Working knowledge of typical spacecraft subsystems (AOCS, Comms, EPS, Payloads, OBC/Software, OBDH); * Experience in defining, managing, and verifying system-level requirements; * Experience with industry standards (ECSS, NASA, or equivalent); * Experience with interfacing to external clients and suppliers and reporting project progress to internal and external stakeholders; * Working knowledge of spacecraft operations; * Experience in the delivery of space technology and/or space mission studies or R&D projects; The ability to obtain high level security clearance is essential. ## Description In this role, you will contribute to the full lifecycle of space system development: from concept design and requirements definition, through integration, verification, and mission operations. * Support to the spacecraft operations team for spacecraft anomaly identification and resolution may also be required. * You'll work closely with multidisciplinary engineering teams and play a key role in ensuring technical coherence, system performance, and successful delivery of mission objectives. * You will be comfortable working as part of a team to deliver projects to a variety of customers including institutional, academic and commercial organisations. * Whilst the primary responsibilities of the role lie in project delivery, you may get involved in other areas of the business including space technology and/or space mission studies or R&D projects and technical support to bids. Core Duties * Support or lead design activities for small satellite missions; * Perform mission needs analysis, trade studies, and system architecture development; * Define, manage, and validate system-level requirements and interfaces; * Conduct functional analyses, budgets (mass, power, data, thermal), and performance modelling; * Support to Spacecraft commissioning activities; * Spacecraft anomaly investigation and resolution; * Mission concept development in support of studies, R&D activities and bids; * Support engagement with external equipment providers; * Produce inputs for internal and customer reviews and present progress to internal stakeholder and external customers.