Senior Software Engineer, Ground & Control Services  About Us: BlackSky is a real-time intelligence company. We own and operate the world's most advanced space-based intelligence platform and provide customers satellite imagery, automated analytics and high-frequency monitoring of strategic locations, economic assets and events from around the globe. BlackSky is trusted by the most demanding allied military and intelligence organizations and commercial companies to deliver foresight into critical matters that affect national security and the economy. BlackSky's data enables governments and businesses to see, understand and anticipate change as it happens, giving them the ultimate strategic advantage so they can act quickly. Our global team works with cutting-edge technology to make a difference around the world and prides itself on being people-first, customer-focused and fun. The Ground & Control team is looking for a passionate and driven Software Engineer to join our team, the group responsible for building the autonomous software that controls and monitors BlackSky’s satellite constellation. This includes high-speed tasking, ground and space telemetry, health monitoring, and low-latency communication with ground stations worldwide. In this role, you’ll develop software that bridges the gap between hardware-level interfaces and cloud-deployed microservices. You’ll contribute to mission-critical systems that keep our satellites safe, responsive, and efficient; operating 24/7 with minimal human intervention. Success in this role means having a strong sense of initiative and ownership, a deep curiosity for how complex systems work, and the discipline to trace and validate requirements while thoughtfully challenging them when needed. You understand the importance of safety, precision, and testability, especially in autonomous systems where small errors can have big consequences. You’re comfortable applying modern software development practices and navigating both low-level and cloud-based technologies. Most importantly, you know how to collaborate in a team environment, communicate clearly, and contribute to a shared mission with humility and focus. While the locations listed in the job posting are ideal, we would love candidates near Seattle, WA office. We may also consider remote candidates in certain states. Responsibilities: * Design, implement, and maintain software that enables autonomous satellite operations and real-time tasking. * Develop and integrate services that interface with ground station infrastructure and satellite communication protocols. * Build software solutions to support satellite tasking and monitoring. * Collaborate with operations, communication engineers, flight software engineers, mission planning engineers, and other software teams to understand and refine technical requirements. * Write clean, maintainable code with strong emphasis on safety, test coverage, and reliability. * Participate in design reviews, code reviews, and team planning discussions. * Support on-call rotations and troubleshooting of live system operations as needed. * Anticipated 10-15% travel required to customer site. * Other job-related duties as assigned. Required Qualifications: * Bachelor’s degree in computer science, engineering, or a related technical field, or equivalent practical experience. * A minimum of six (6) years of professional software development experience. * Proficiency in one or more programming languages (e.g. Go, Python, C++). * Experience developing and deploying microservices in both cloud environments (e.g. AWS, GCS, Azure) and on-premise Kubernetes-based environments. * Familiarity with CI/CD pipelines, automated testing, and modern version control systems (e.g. Git). * Strong problem-solving skills and an ability to understand complex systems end to end. * Excellent communication and collaboration skills in a cross-functional team environment. * Some of the programs this role supports may require being a US-citizen. Preferred Qualifications: * Master’s degree (or higher) in a related technical field. * At least eight years of professional software development experience. * Exposure to infrastructure-as-code tools (e.g. Terraform, Ansible) and container orchestration (e.g. Kubernetes, Nomad). * Understanding of system safety, fault tolerance, and recovery strategies. * Comfort working in high-availability, mission-critical software environments. * Prior experience with satellite operations, ground stations, or others aerospace-related domains (e.g. X-Band, UHF, or telemetry).  * Active secret or higher U.S. security clearance. Life at BlackSky for full-time benefits-eligible employees includes: * Medical, dental, vision, disability, group term life and AD&D, voluntary life and AD&D insurance * BlackSky pays 100% of employee-only premiums for medical, dental and vision and contributes $100/month for out-of-pocket expenses! * 15 days of PTO, 11 Company holidays, four Floating Holidays (pro-rated based on hire date), one day of paid volunteerism leave per year, parental leave and more * 401(k) pre-tax and Roth deferral options with employer match * Flexible Spending Accounts * Employee Stock Purchase Program * Employee Assistance and Travel Assistance Programs * Employer matching donations * Professional development * Mac or PC? Your choice! * Awesome swag The anticipated salary range for candidates in Seattle, WA is $140,000-160,000 per year. The final compensation package offered to a successful candidate will be dependent on specific background and education. BlackSky is a multi-state employer, and this pay scale may not reflect salary ranges in other states or locations outside of Seattle, WA. BlackSky is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer All Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, sexual orientation, gender identity, disability, protected veteran status or any other characteristic protected by law. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. 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