Flight Software Sustaining Engineer - SME L3

Flight Software Sustaining Engineer - SME L3

life insurance, parental leave, paid time off, 401(k)

Feb 25, 2026

Description

JOB SUMMARY: The NASA SES III contract provides IT services throughout all aspects of the engineering process of the entire space systems arena. MVS is in search of a Chief level Flight Software Sustaining Engineer to support the Software Engineering Services III (SES-III) contract.
Location: NASA Goddard Space Flight Center (GSFC) in Greenbelt, Maryland. This is a hybrid position.

PRIMARY DUTIES:

• Support NASA missions from pre-launch through decommission
• Analyze requirements, design, implement, and test flight software changes according to a rigorous life‑cycle development process.
• Investigate spacecraft anomalies by analyzing operations commands, telemetry, memory dumps, FSW code and documentation. Attempt to reproduce anomalies on the test bed.
• Operate flight software test facilities and maintain a flight like configuration.
• Configuration management of flight and ground products.
• Continuous flight software sustaining engineering process improvement.

• Experience with assembler code.
• Experience with using configuration management tools such as Subversion.
• Familiarity with using Windows and Linux operating systems.
• Excellent written, oral, and interpersonal, problem solving, critical thinking, and communication skills.
• Strong work ethic and ability to multi‑task, adapt to change, and work in a cooperative environment.

• Experience with attitude control flight software
• Experience with real‑time operating systems VxWorks and RTEMS.
• Knowledgeable in software lifecycle models
• Experience with spacecraft operations

RELEVANT

EXPERIENCE:

20 years of experience in developing C or C++ in real‑time embedded systems.

EDUCATION/CERTIFICATION: B.A. or B.S. in Computer Science, Computer Engineer, Aerospace Engineering, Electrical Engineering, Math, Physics or equivalent.

SECURITY CLEARANCE
:
Ability to obtain required National Agency Check (NAC) clearance.

At MCSG Technologies, we believe the path to success begins by empowering our employees to do what is best for our customers. This helps create value for our customers and business partners through efficiencies and cost‑effective relationships that are built on trust, while delivering on‑time and within budget. Our company ethos is simple Empowered to serve our customers, our communities, our colleagues.

If you would like to learn more, please visit our website at  or find us on Glassdoor.

Medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, EAP, parental leave, paid time off, holidays and more. Learn more about MCSG Technologies benefits: .

In compliance with Colorados Equal Pay for Equal Work Act; MCSG Technologies considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidates work experience, education/training, and key skills.

We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity, sexual orientation, national origin, disability status, protected veteran status or any other characteristic protected by law.

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractors legal duty to furnish information.

41 CFR 60-1.35(c)

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