Millennium Space Systems

Ground Software Engineer

Ground Mission Operations - El Segundo, CA - Full Time

Job Description

Millennium Space Systems is seeking an experienced software engineer who finds space technology exciting and inspiring.  Millennium Space Systems offers a work environment with minimum bureaucracy, where every person makes a difference.  You will be part of an empowered team where you define your role and grow your career as part of a rapidly expanding aerospace company.  Millennium uses many state of the art technologies and is open to innovative ideas.  Smaller, faster missions are a hallmark of Millennium and you will quickly see your software in action as part of operational satellite systems.



As a Ground Software Engineer, you work with COTS/GOTS as well as in-house systems to develop software that will communicate with and control a spacecraft during mission operations. This position will be responsible for all parts of the software development lifecycle: from early design, through full software and integration testing, to mission operations after launch and will interface with other internal teams such as Flight Software, RF Communications, and Systems Engineering to create software to meet the needs of the internal users.


Minimum Qualifications

  • B.S. in Software Engineering, Computer Science, Computer Engineering, or another related field
  • Experience with Python, C, and C++ languages
  • Experience with Linux systems administration and management
  • Familiarity with shell scripting
  • Familiarity with HTML, CSS, and JavaScript
  • Familiarity with Databases, specifically with SQL
  • Comfortable communicating technical details both verbally and in writing

Preferred Qualifications

  • Experience with message queues and message passing frameworks (Kafka, RabbitMQ, etc)
  • Background in aerospace engineering
  • Experience with distributed system design and development (Spark, Hadoop, etc)
  • Experience with software security and information assurance
  • Experience with CCSDS protocols
  • Experience with Scala, Go
  • Experience with COTS/GOTS Telemetry, Tracking, Command (TT&C), and RF systems
  • Experience with COTS/GOTS C2 (Command and Control) software
  • Experience with cryptography hardware and algorithms
  • Experience with network design and management
  • Experience with parallel processing (multithreading/multiprocessing)
  • Experience with large-scale data processing and management systems
  • Experience with low-level communication over networks and serial devices
  • Experience with VMWare ESXi and/or Docker


Benefits and Perks

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



Millennium Space Systems 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. 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 veterans, disabled veterans and disabled individuals to apply for any open position for which they feel they are qualified. Millennium Space Systems is proud to be an Affirmative Action/Equal Opportunity Employer.

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