Senior Spacecraft Software Engineer

Millennium Space Systems, A Boeing Company
El Segundo, CA
Senior Spacecraft Software Engineer Location El Segundo, CA :

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 senior spacecraft software engineer at Millennium Space Systems, you'll take responsibility for creating the software that makes our satellites function in orbit. You will be involved in the design and architecture of the software for a spacecraft and leading a team to develop that software. Your code will run on our custom avionics, process signals from sensors like our star trackers, and command actuators like the propulsion system. Your software may also interface with custom payloads and perform high-level autonomy functions to ensure our spacecraft accomplish their missions. We are looking for software engineers that can take ownership of the software for a spacecraft, determine requirements for what it needs to do, and then lead development of the software while also contributing to the software development. And when that code is running in space, you'll continue to support mission operations with software updates and enhancements.

This position's internal job code is Software Engineer. Our team is currently hiring for levels 4 - 5.

Job Responsibilities

  • Lead a small team of software engineers to develop the software for a new spacecraft
  • Work collaboratively with hardware, control and system engineers to define and develop software requirements, architectures and designs suited for fault-tolerant spacecraft
  • Rapidly prototype novel software solutions to prove out the architecture/design concepts, quantify technical risk, and create new capabilities
  • Implement designs in C/C++, integrate software components, create and run unit tests, validate on Hardware-in-the-Loop and release real-time embedded solutions
  • Assist with system verification and qualification, assessing the outputs and documenting the results to ensure software products that meet system requirements and mission-critical standards
  • Be responsible for all phases of software development and problem resolution from program inception to post-launch support
  • Work with hardware engineers to verify hardware-hardware and hardware-software interfaces

Minimum Qualifications

  • Bachelor's Degree in Computer Science, Computer Engineering, Electrical Engineering or similar with focus on software development
  • Ability to partition the software development into discrete tasks that can be worked by multiple software engineers.
  • 7+ years of experience in C and C++ programming
  • Ability to work effectively in a dynamic environment with changing needs and requirements
  • Ability to work independently and in a team, take initiative, and communicate effectively

Preferred Qualifications

  • Experience leading a small team of software engineers
  • Experience with Linux in an embedded environment
  • Experience with concurrent HW/SW development
  • Experience with board support packages and device drivers
  • Experience with iterative and/or agile development processes
  • Experience with serial data protocols (HDLC, I2C, SPI)
  • Experience in Python programming
  • Experience in Verilog and FPGAs
  • Experience with git, JIRA, confluence
  • Knowledge of satellite systems and components

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 4: $130,900 - $192,500
  • Level 5: $161,500 - $237,500

Benefits and Perks Millennium Space Systems offers a very competitive benefits package to include medical, dental, vision, and 401k plan. Relocation assistance to Southern California can be provided.

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.

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Mandatory Security Clearance and Access Process Disqualifying Criteria

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Posted 2025-09-25

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