SAIC
SAIC

NASA Mission System Security Risk Assessment Engineer

Fairmont, WV, US • Posted 10 hours ago • Updated 10 hours ago
Full Time
On-site
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Job Details

Skills

  • Science
  • Verification And Validation
  • MPS
  • Interfaces
  • Supply Chain Management
  • Risk Analysis
  • Collaboration
  • Security Analysis
  • JD
  • Aerospace
  • Computer Engineering
  • Cyber Security
  • CISM
  • CISSP
  • ISSAP
  • CISA
  • Avionics
  • System Security
  • Threat Modeling
  • Computer Hardware
  • Vulnerability Assessment
  • Modeling
  • SysML
  • UML
  • Risk Assessment
  • RF
  • Embedded Systems
  • RTOS
  • Firmware
  • FPGA
  • ASIC
  • Communication
  • Systems Design
  • Authentication
  • IT Management
  • Management
  • Security Clearance
  • Information Technology
  • Systems Engineering
  • FOCUS

Summary

Job ID: 2610525

Location: Fairmont, WV, US

Date Posted: 2026-03-25

Category: Engineering and Sciences

Subcategory: Systems Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: Top_Secret

Clearance Level Must Be Able to Obtain: TS/SCI

Potential for Remote Work: ORA_ON_SITE

Description

Description:

SAIC is seeking a Senior System Security Engineer (SSE) with extensive space mission and systems domain knowledge to join the NASA Independent Verification and Validation (IV&V) Mission Protection Services (MPS) team and support Mission System Security Risk Assessments (MSSRA) efforts. The Senior SSE will lead system-level security analyses and assessments used to evaluate mission risks across complex spacecraft architectures and operational environments.

In this role, the Senior SSE will work closely with the customer and peers to oversee activities analyzing spacecraft architectures, interfaces, and operational behaviors to identify and roll up mission-level vulnerabilities and security risks that arise from system interactions, timing dependencies, and integrated mission environments. The position also supports planning, coordination, and analysis activities across multiple mission protection domains, skills, and efforts.

The Senior System Security Engineer (SSE) responsibilities include, but are not limited to:
  • Lead functional and architectural system-level threat modeling and analysis supporting Mission System Security Risk Assessments (MSSRA) activities
  • Analyze spacecraft architectures, interfaces, and mission operations to identify security vulnerabilities and mission risks
  • Utilize Model-Based Mission Assurance (MBMA) and Model-Based Systems Engineering (MBSE) techniques and products to evaluate mission security and system interactions
  • Assess hardware, software, and communications interfaces to identify attack surfaces and potential mission impacts
  • Analyze spacecraft threat vectors including RF exploitation, command abuse, and PNT jamming/spoofing scenarios
  • Evaluate cross-domain data relationships (cyber, RF, telemetry, and operational data) to assess mission impact and adversary kill chains
  • Support hardware and software supply chain risk analysis and configuration control considerations
  • Contribute to planning, coordination, and tracking of activities across mission protection domains and efforts
  • Provide technical leadership and guidance to engineering teams performing modeling, simulation, and security analysis activities
  • Work closely with the customer and peers to develop an analysis plan, approach, and detailed task schedule
  • Communicate with internal and external customers on the plan, approach and status weekly


Qualifications

Required Education:
  • Bachelors and nine (9) years or more experience; Masters and seven (7) years or more experience ; PhD or JD and four (4) years or more experience.


Desired Education:
  • Bachelor's degree in Systems Engineering, Aerospace Engineering, Computer Engineering, Cybersecurity, or a related technical discipline and 9 years or more relevant experience (will consider an additional 4+ years of relevant experience in lieu of degree)


Required Experience:
  • At least one of the following certifications: CISM, CISSO, CISSP, CISSP-ISSEP, CISSP-ISSAP, CISA, CASP
  • 5+ years of experience analyzing space system architectures, avionics, development processes, and operational concepts, including autonomous and degraded operational modes
  • 5+ years of experience applying system security engineering principles, including threat modeling, attack surface analysis, and hardware/software vulnerability analysis
  • 5+ years of experience applying MBSE / MBMA techniques, including modeling languages such as SysML and UML
  • 5+ years of experience with system, software, or security risk assessment, management, and mitigation
  • Demonstrated experience analyzing spacecraft threat vectors and cross-domain mission analysis across domains such as RF signal exploitation, command abuse, and PNT jamming or spoofing
  • Knowledge of embedded systems architectures, including flight software, RTOS, firmware, and FPGA/ASIC logic
  • Knowledge of space communication and data standards such as CCSDS Space Packet Protocol (SPP), SpaceWire, and MIL-STD variants
  • Knowledge of cryptographic system design and implementation, including key management, authentication, and trust architectures
  • Technical leadership and management of small to medium engineering teams


Clearance:



    Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
    • Dice Id: 10111346
    • Position Id: 2610525
    • Posted 10 hours ago

    Company Info

    About SAIC

    SAIC® is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets include secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

    We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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