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Cybersecurity Space Systems Engineer

Amentum Houston, TX

Houston, TX

Today

$84k+/yr Full time Cybersecurity Tools Embedded Security Engineer

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Job Description

As a Cybersecurity Space Systems Engineer at Amentum, you will support NASA deep space exploration by engineering cybersecurity capabilities for spacecraft, communications, and ground systems. The role focuses on building cyber-resilient designs, validating protections across the full systems lifecycle, and coordinating with cross-functional teams to practice and execute secure responses in complex mission environments.

Location and Work Setup

Houston, TX (onsite)
Work environment: Generally office-based, with potential inside or outside work depending on assigned tasks

Compensation

Base pay: $83,700 per year (salary starts at this amount)
Final compensation: Commensurate with experience, skills, and qualifications

Key Responsibilities

Conduct threat modeling for spacecraft, communication links, and ground systems using space security tools such as SPARTA and related methods
Design secure internal spacecraft communications using a cryptographic key management framework while preserving critical operations performance
Review external software and code prior to integration into flight software to help prevent harmful inclusions
Develop lightweight monitoring tools to detect unexpected behavior in telemetry, commands, and onboard systems
Build automated safety responses to allow the spacecraft to isolate threats and protect essential systems without real-time support from Earth
Lead cross-functional cybersecurity exercises or events, coordinating actions between ground station, network engineering, and flight operations teams for secure patching or flight software overrides
Evaluate engineering designs, interface control documents (ICDs), and flight software architectures to support cyber-resiliency baselines
Translate cybersecurity objectives into traditional space system engineering deliverables
Perform engineering trade studies balancing cybersecurity needs (for example cryptographic overhead and zero-trust auditing) against constraints such as limited power, computing, and communications capacity
Perform other duties as assigned

Required Qualifications

Experience: Minimum 5 years in the field or a related area
Education: Bachelor’s degree in an engineering or STEM field
Experience participating in or reviewing major design milestones such as SRR, PDR, and CDR
Knowledge of the systems engineering lifecycle, including writing verifiable requirements, managing verification matrices (V&V via test, analysis, inspection, demonstration), and configuration management
Ability to obtain and maintain a TS/SCI security clearance
Experience weighing cybersecurity requirements against spacecraft constraints (CPU limitations, thermal footprints, limited power budgets, low-telemetry bandwidth)
Ability to work across disciplines and communicate cyber risk to engineers and mission leadership
Citizenship: Proof of U.S. Citizenship or U.S. Permanent Residency may be required
Must be able to complete a U.S. government background investigation

Technologies and Tools

SPARTA
Cryptographic key management framework
Zero-trust auditing
VxWorks
RTEMS
NASA Core Flight System
C/C++
Intrusion detection systems (IDS)
SIEM
Packet capture analytics
Telemetry log analysis

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

Additional Notes

Requisition preferences: 5–8 years of growing experience in space systems engineering
Attendance: Regular attendance in line with the established work schedule is critical; ability to work outside normal hours to meet peak and surge requirements
Physical requirements: Sitting or standing for extended periods (about 90% of the time); lifting and carrying up to 25 lbs (about 5% of the time)
Other essential functions: Professional behavior that supports productivity and teamwork; appropriate grooming and dress that does not create safety risks or hazards

Security and Background Investigation

TS/SCI eligibility is required, along with the ability to complete a U.S. government background investigation. Citizenship or U.S. Permanent Residency may be required for this position.

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