Senior Software Engineer

Senior Spacecraft Software EngineerBoulder, Colorado - Hybrid$130,500 — $171,000 USD - Depending on experience & QualificationsWe are proud to be supporting a world-leading space-to-cloud analytics company in their search for a Senior Spacecraft Software Engineer. Because this engagement is sensitive, we'll share the client's name with candidates at the shortlisting stage.The OpportunityOur client owns and operates one of the world's largest multi-purpose satellite constellations, delivering advanced maritime, aviation, and weather tracking globally. Their infrastructure spans a proprietary satellite constellation, a global ground station network, and 24/7 operations providing real-time coverage of every point on Earth.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 system layers from embedded software through to mission data pipelines. It is a high-impact, high-autonomy position where technical breadth and ownership are essential.Key ResponsibilitiesFlight & Payload SoftwareDevelop and maintain scientific and command & control software for GNSS-based satellite payloadsWork across embedded system layers to ensure accurate and timely scientific data outputEngage with payload developers and mission operators to evolve software in support of scientific objectivesGround Systems & Data DeliveryBuild and operate ground-based automation systems for data extraction, transformation, and deliveryCollaborate with flight operations to troubleshoot and ensure consistent, high-quality data deliveryParticipate in code reviews, testing, and documentation to maintain software reliability and traceabilityWhat We're Looking ForOur client is seeking a Senior Spacecraft Software Engineer with deep technical foundations in embedded systems and GNSS signal processing. You'll take strong ownership of your work and be comfortable operating independently across hardware and software boundaries.Core RequirementsProficient in Embedded C/C++ for hardware development in constrained environmentsSolid background in DSP techniques and theory, particularly in the context of RF or GNSS signal processingHands-on experience with GNSS signal processing algorithms and/or scientific applications such as GNSS-RO, GNSS-R, or PNTDesirablePython proficiency and ability to pick up new tools and languages as neededExperience with cloud-based systems (e.g. AWS), backend development, and scalable data storagePrior experience working on satellite payloads or in the aerospace domainExperience building telemetry and data visualisation toolsContributions to open-source scientific or aerospace-related software projectsWhy This Role Stands OutWork on a real, operational satellite constellation delivering mission-critical scientific data globallyHigh autonomy from day one, design, build, and own your work end-to-endJoin a technically exceptional team operating at the cutting edge of space and clean technology infrastructureGenerous benefits including education assistance, stock purchase programme, fitness reimbursement, family leave, and moreAn opportunity to contribute to work that genuinely improves life on EarthApply via Cleantech TalentThis role is being managed exclusively by Cleantech Talent on behalf of our client. If you have the background and ambition to take on this challenge, we would love to hear from you.Please apply directly through LinkedIn or reach out to the Cleantech Talent team with your CV and a brief note on your interest and relevant experience. All applications are handled in strict confidence.