Ground Software Engineer (Mid Career) - Millennium Space Systems

Job Description
At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.
Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation.
Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen.
Job Summary
As a Ground Software Engineer, you will maintain and develop software for command and control of satellites. You will write requirements with the guidance of subject matter experts and decompose them into long-term roadmaps, which you will also develop and test in collaboration with your end users. You will leverage modern frameworks to improve legacy software and tooling. Your position will also include root cause analysis and implementing fixes for the users of your team's products. You will work closely with the operations team, spacecraft engineers, cybersecurity specialists, and technicians to ensure our company's continued stewardship of our satellites and the space environment.
This position's internal job code is SWE-Developer. Our team is currently hiring for level 4.
Position Responsibilities:

• Leads the design, development, integration, testing, and delivery of large-scale ground software and mission control systems
• Interacts with other Millennium staff to support testing on components, subsystems, and spacecraft in test configurations
• Integrates Millennium software applications into Government-furnished software and infrastructure
• Executes integrated system test events bridging Millennium-developed products and Government-furnished systems
• Implements specific mission data processing applications into existing systems to support payloads and end data users
• Supports software testing and installation in classified environments
• Guides junior developers through development tasks, troubleshooting exercises
• Plans and executes validation/verification testing
• Contributes to ground software or tool development by completing larger feature requests, taking ownership of larger software modules, analysis packages, and workflows
• Other duties as assigned

This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options.
Security Clearance and Export Control Requirements
This position must meet Export Control compliance requirements, therefore a "US Person" as defined by 22 C.F.R. § 120.15 is required. "US Person" includes US Citizen, lawful permanent resident, refugee, or asylee.
Basic Qualifications (Required Skills/Experience):

• Bachelor's degree in Computer Science, Computer Engineering, Aerospace Engineering, or a related field
• Five (5) or more years of experience designing and developing software in a production environment
• Demonstrated experience writing scripts and backend software applications in Python
• Demonstrated experience with Python webserver frameworks (Twisted, Flask, FastAPI) and building RESTful web services in conjunction with message broker architectures
• Demonstrated experience with backend development interacting with relational, time-series, and document databases (PostgreSQL, InfluxDB, MongoDB).
• Comfortable building interactive UIs using Javascript frameworks
• Familiarity with GitLab CI/CD and Infrastructure as Code practices
• Familarity with containerization and container orchestration practices using Docker, Podman, and Kubernetes
• Experience with unit testing, integration tests, and end-to-end testing
• Comfortable communicating technical details verbally and in writing
• Experience with iterative and agile software development
• Ability to obtain TS/SCI clearance

Preferred Qualifications (Desired Skills/Experience):

• Active TS/SCI Clearance

Conflict of Interest:
Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process
Drug Free Workplace:
Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Shift:

• This role will be on 1st Shift

Total Rewards:
At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.
Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.
Pay is based upon candidate experience and qualifications, as well as market and business considerations.
Summary Pay Range: $128,350 - $188,750
Millennium is DDTC-registered, ITAR-compliant Company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. We encourage all interested candidates to apply for any open position for which they feel they are qualified.
Applications for this position will be accepted until Apr. 28, 2026
Export Control Requirements:
This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.
Export Control Details:
US based job, US Person required
Education
Bachelor's Degree or Equivalent Required
Relocation
Relocation assistance is not a negotiable benefit for this position.
Visa Sponsorship
Employer will not sponsor applicants for employment visa status.
Shift
This position is for 1st shift
Equal Opportunity Employer:
Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.