Ground Software Engineer; Mid Career - Millennium Space Systems

Position: Ground Software Engineer (Mid Career) - Millennium Space Systems

Job Description

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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.

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 (Postgre
  
  SQL, Influx
  
  DB, Mongo
  
  DB)
• Comfortable building interactive UIs using Java script frameworks
• Familiarity with Git Lab CI/CD and Infrastructure as Code practices
• Familiarity 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

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…