Spaceflight Cybersecurity Jobs

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Cybersecurity Engineer

Amentum Houston, TX

Houston, TX

Today

$84k+/yr Full time Cybersecurity Embedded Systems Embedded Systems Security

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Job Description

The Cybersecurity Engineer will spearhead proactive cybersecurity efforts to safeguard spacecraft systems, Flight Software (FSW), and embedded hardware architectures supporting NASA deep space exploration. This role involves threat modeling, vulnerability assessments, non-disruptive penetration testing, and close collaboration with development teams to strengthen cyber resilience.

Location and Role Setup

Location: Houston, TX (onsite)
Salary: USD 83,700 per year
Minimum Experience: 2 years

Requisition: 09/21/2026 - Until Filled. Amentum anticipates the requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Core Responsibilities

Lead security testing, threat modeling, and vulnerability assessments focused on Flight Software (FSW) and embedded spacecraft hardware.
Perform security evaluations to identify weaknesses and support mitigation efforts.
Research advanced spacecraft vulnerabilities and emerging cyber threats affecting spaceflight architectures and embedded systems.
Conduct rigorous, non-disruptive penetration testing and red-teaming against the Space Segment (flight software, RTOS, on-board buses), Link Segment (RF telemetry, CCSDS protocols), and Ground Segment (mission control).
Execute deep-dive “bounty hunting” and vulnerability analysis on third-party software, open-source repositories, and embedded microcode used in safety-critical systems.
Plan and execute interactive Red Team vs. Blue Team exercises to validate defensive capabilities and improve cyber resilience.
Collaborate with software, systems, and integration teams to incorporate cybersecurity best practices throughout the development lifecycle.
Document findings, provide risk-based recommendations, and support remediation and mitigation activities.
Perform other duties as assigned.

Required Qualifications

Typically requires a bachelor’s degree in Engineering and 2 to 5 years of experience in the field or a related area.
Bachelor’s degree in Engineering, Cybersecurity, or Cyber Operations.
Experience performing security testing on software, firmware, embedded systems, or mission-critical platforms.
Experience conducting threat modeling and risk assessments for complex systems.
Experience performing vulnerability assessments on critical software and hardware systems.
Experience with embedded software penetration testing, red teaming, or vulnerability research applied to aerospace or critical infrastructure platforms.
Demonstrated ability to write custom testing scripts and low-level code (C/C++, Python, Assembly) targeting resource-constrained environments.
Strong analytical and problem-solving skills.
Excellent verbal and written communication skills, including the ability to communicate technical findings to technical and non-technical audiences.
Ability to obtain and maintain a Top Secret security clearance.

Relevant Technologies

Flight Software (FSW)
RTOS
RF telemetry
CCSDS protocols
C/C++, Python, Assembly
Open-source repositories
Embedded microcode

Preferred Experience

Experience with spacecraft, satellite, aerospace, defense, or other safety-critical systems.
Experience with Flight Software (FSW) development, testing, or security assessments.
Knowledge of secure software development practices and DevSecOps methodologies.
Ability to work effectively in a cross-functional engineering environment and support multiple projects simultaneously.

Work Environment, Equipment, and Attendance

Work environment: Generally an office environment; may involve inside or outside work depending on task.
Equipment: Standard office equipment (PC, telephone, printer, etc.).
Attendance: Regular attendance according to the established work schedule is critical. Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.

Physical Requirements

Work may involve sitting or standing for extended periods (90% of time).
May require lifting and carrying up to 25 lbs. (5% of time).

Benefits

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits, including 401(k) matching
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

Citizenship and Background Investigation

Proof of U.S. Citizenship or U.S. Permanent Residency may be a requirement.
Must be able to complete a U.S. government background investigation.

Other Essential Functions

Professional behavior that enhances productivity and promotes teamwork and cooperation.
Grooming and dress must be appropriate for the position and must not impose a safety risk or hazard to the employee or others.

Compensation Details

Salary starts at $83,700. Final pay will be commensurate with the candidate’s experience, skills, and qualifications.

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