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.
Ground Software Engineer (Mid Career) - Millennium Space Systems
Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS) is seeking a Ground Software Engineer (Mid Career) to support the Ground Systems team in El Segundo, CA!
Job Summary
As a Ground Software Engineer, you will cover spacecraft production, integration and test. Your primary task will be dispositioning and root causing non conformances and issues as they come up, secondary tasking will be design based leveraging your experience with the integration and test. You will work closely with technicians, integration and test engineers as well as the design engineering team to foster a deep understanding of spacecraft design and subsystems, sharpening your skills and being a technical expert in your field.
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
Applications for this position will be accepted until Feb. 06, 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.