Ground Software Infrastructure Engineer

El Segundo, CA
Full Time
Ground Segment
Mid Level

Company Overview
Millennium Space Systems, A Boeing Company delivers affordable, high-performance space systems for exacting customers. At Millennium, you will be part of a close-knit team working on exciting technological problems. We work in an open environment where ideas are shared across all disciplines, and there are ample opportunities for advancement based on excellence. Superstars are welcome.

At Millennium, we innovate and collaborate to make the world a better place. From the seabed to outer space, you can contribute to work that matters with a company where diversity, equity, and inclusion are core values. 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. 

Job Summary
As a Ground Software Infrastructure Engineer, you will support Millennium’s in-house ground software and mission control infrastructures and platforms as well as external COTS products used across the industry. You will provide a crucial interface between the mission stakeholders and the Flight Software component, and ultimately the Space Vehicle itself. You will build, integrate, and deliver complete software and hardware solutions to a variety of customers to be installed both at Millennium’s factory and at customer-owned and operated sites. You will support proposal development efforts to win new business. You will be involved with the ground development process from the start of the contract, going through design reviews, and leading up to the day of launch. After launch, you will sustain your systems throughout the life of the program, ensuring our products continue to deliver mission success.

This position's internal job code is Systems Engineer. Our team is currently hiring for level 3-4.


  • Support the definition of requirements for ground software and systems
  • Interact directly with customers to ensure developed and delivered software and systems meet mission requirements
  • Build, integrate, test, and deliver large-scale ground software and mission control systems with a focus on scalability
  • Interact with other Millennium staff to support testing on components, subsystems, and spacecraft in test configurations
  • Integrate Millennium software applications into Government-furnished software and infrastructure
  • Execute integrated system test events bridging Millennium-developed products and Government-furnished systems
  • Implement specific mission data processing applications into existing systems to support payloads and end data users
  • Support ground software and systems during on-orbit activities, including launch, early operations, on-orbit test, normal operations, and end-of-life operations
  • Support proposals for new ground software and systems in support of new business efforts
  • Support software testing and installation in classified environments

Minimum Qualifications

  • Bachelor’s degree in Computer Science, Computer Engineering, or a related field
  • Two (2) or more years of experience designing and developing software systems
  • Demonstrated experience writing software applications in Python, including experience using package dependency management and virtual environments
  • Experience using Python webserver frameworks (e.g. Twisted, Flask, Django, Starlite)
  • Experience with employing RESTful web services in conjunction with message broker architectures
  • Demonstrated experience working with relational, document, or time-series databases
  • Comfortable communicating technical details verbally and in writing
  • Experience with iterative and agile software development approaches
  • Demonstrated experience using industry-standard version control techniques
  • Demonstrated experience developing software for cloud-based network architectures, including:
  • Software deployments and network interfaces
  • Evaluation of vendor-native vs. vendor-agnostic solutions
  • Resource optimization and cost minimization
  • Experience with unit testing, smoke tests, integration tests, and code quality metrics, including the use of static and dynamic code analysis
  • Demonstrated experience in DevOps practices, including:
  • Developing CI/CD pipelines
  • Infrastructure as Code deployments
  • Demonstrated experience developing containerized software or using container orchestration tools

Preferred Qualifications

  • Master’s degree in Computer Science, Computer Engineering, Applied Physics, Applied Math, Aerospace Engineering, or a related field
  • Two (2) or more years of experience designing, developing and/or operating ground software and ground systems
  • Demonstrated experience in DevSecOps practices including Zero Trust technologies and practices
  • Experience writing software applications in C++ and C
  • Experience managing software development at varying classification levels
  • Active TS/SCI clearance

Please note that the salary information shown below is a general guideline only of what is reasonably expected to be paid for the position. Salaries are based upon candidate experience and qualifications, as well as market and business considerations.

Summary Pay-Range

  • Level 3: $104,550 - $153,750 
  • Level 4: $128,350 - $188,750

Benefits and Perks
Millennium Space Systems offers a very competitive benefits package to include medical, dental, vision, and 401k plan.

Before applying, please note:
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 are proud to be an Affirmative Action/Equal Opportunity Employer. We encourage veterans, disabled veterans and disabled individuals to apply for any open position for which they feel they are qualified.

Applicant Privacy Policy
Mandatory Security Clearance and Access Process Disqualifying Criteria


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