Principal System Security Engineer (P4)

Computer Merchant, Ltd., the
Fullerton, California 92833 United States  View Map
Posted: May 30, 2026
  • Full Time
  • Federal Government
  • Summary

    JOB TITLE PRINCIPAL SECURITY ENGINEER
    LOCATION: FULLERTON, CA
    RATE RANGE: 90.00-95.00 PER HOUR
    JOB#: 15030233

    REQUIRED:

    Typically requires a Bachelor's Degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of prior relevant experience
    Active and transferable U.S. government issued Secret security clearance is required prior to start date. Experience in System Security Engineering, computer technology reverse engineering, program protection, cybersecurity or embedded security
    Experience in generating systems requirements, design and architecture artifacts, plans and/or policies
    Experience in designing, implementing, testing and fielding real-time embedded security-oriented solutions on Department of Defense (DoD) programs with secure systems technologies, methodologies, policies and guidelines
    Experience in using and configuring Red Hat Enterprise Linux operating systems
    Experience in leading or managing teams

    JOB DESCRIPTION:

    Principal System Security Engineer (P4) to join our elite Systems Security Engineering (SSE) team in developing solutions to protect the Warfighter's technology advantage. Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program Protection Implementation on embedded weapons systems. Join our highly visible team and perform technically challenging assignments, which will directly contribute to protecting our nation and our Warfighters. This is an onsite position at Client in Fullerton, CA.

    What You Will Do
    Interact with the customer to define SSE requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
    Develop plans and estimates, task execution, project tracking, reporting, and risk identification and mitigation plans
    Ensure compliance with National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) controls.
    Consult and assist program management with SSE architecture and issues
    Support the development of bids and proposals
    Define security development and test efforts implementation of security controls of networking devices, databases, operating systems, and hardware and software component
    Integrate cybersecurity development activities
    Develop top-level system requirements and flow down requirements and implementation concepts to subsystem
    Understand and comply with DoD technology release and export licensing policies

    Additional Job Details:
    Qualifications We Prefer Experience in designing, implementing, testing and fielding real-time embedded security-oriented solutions on Department of Defense (DoD) programs with secure systems technologies, methodologies, policies and guidelines Usage of information security toolsets including anti-virus, Vulnerability Assessment, HIDS/ NIDS. host-based or endpoint security solutions, Multi-Factor Authentication (MFA), and Security Incident and Event Management (SIEM) and centralized auditing tools familiarity with Splunk is preferred Linux Bash scripting or Python scripting experience Security systems engineering involving various computer hardware and software S/W operating system and application solutions in both a stand-alone and in LAN/WAN configurations DoDI 8570.01-M IAT Level-II Compliant Certification (e.g. Security+, CISSP, or equivalent) Security features and/or vulnerability analysis of various operating systems as defined by Intelligence agencies Experience with IT and/or network and system security administration, including operating system security configuration and account management best practices for UNIX, MS Windows, Red Hat Enterprise Linux, or CISCO systems Understanding of Systems Engineering requirements, specifications, and Experience implementing DoD and Federal IA Certification and Accreditation Processes, IA controls and developing and maintaining associated certification and accreditation documentation Familiar with Program Protection Plan (PPP) required by DoDI 5000.02 and DoDI 5200.39 Experience working on U.S. Government contract proposals as an Information Assurance Engineer subject matter expert

    Equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities

    * While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. Benefits offered include medical, dental and vision benefits; dependent care flexible spending account; 401(k) plan; voluntary life/short term disability/whole life/term life/accident and critical illness coverage; employee assistance program; sick leave in accordance with regulation. Benefits may be subject to generally applicable eligibility, waiting period, contribution, and other requirements and conditions. Benefits offered are in accordance with applicable federal, state, and local laws and subject to change at TCM's discretion.

    #Dice
  • Job Description

    JOB TITLE PRINCIPAL SECURITY ENGINEER
    LOCATION: FULLERTON, CA
    RATE RANGE: 90.00-95.00 PER HOUR
    JOB#: 15030233

    REQUIRED:

    Typically requires a Bachelor's Degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of prior relevant experience
    Active and transferable U.S. government issued Secret security clearance is required prior to start date. Experience in System Security Engineering, computer technology reverse engineering, program protection, cybersecurity or embedded security
    Experience in generating systems requirements, design and architecture artifacts, plans and/or policies
    Experience in designing, implementing, testing and fielding real-time embedded security-oriented solutions on Department of Defense (DoD) programs with secure systems technologies, methodologies, policies and guidelines
    Experience in using and configuring Red Hat Enterprise Linux operating systems
    Experience in leading or managing teams

    JOB DESCRIPTION:

    Principal System Security Engineer (P4) to join our elite Systems Security Engineering (SSE) team in developing solutions to protect the Warfighter's technology advantage. Systems Security Engineering creates holistic security solutions leveraging Cyber Security, Software Assurance and Supply Chain Risk Management to support Program Protection Implementation on embedded weapons systems. Join our highly visible team and perform technically challenging assignments, which will directly contribute to protecting our nation and our Warfighters. This is an onsite position at Client in Fullerton, CA.

    What You Will Do
    Interact with the customer to define SSE requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
    Develop plans and estimates, task execution, project tracking, reporting, and risk identification and mitigation plans
    Ensure compliance with National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) controls.
    Consult and assist program management with SSE architecture and issues
    Support the development of bids and proposals
    Define security development and test efforts implementation of security controls of networking devices, databases, operating systems, and hardware and software component
    Integrate cybersecurity development activities
    Develop top-level system requirements and flow down requirements and implementation concepts to subsystem
    Understand and comply with DoD technology release and export licensing policies

    Additional Job Details:
    Qualifications We Prefer Experience in designing, implementing, testing and fielding real-time embedded security-oriented solutions on Department of Defense (DoD) programs with secure systems technologies, methodologies, policies and guidelines Usage of information security toolsets including anti-virus, Vulnerability Assessment, HIDS/ NIDS. host-based or endpoint security solutions, Multi-Factor Authentication (MFA), and Security Incident and Event Management (SIEM) and centralized auditing tools familiarity with Splunk is preferred Linux Bash scripting or Python scripting experience Security systems engineering involving various computer hardware and software S/W operating system and application solutions in both a stand-alone and in LAN/WAN configurations DoDI 8570.01-M IAT Level-II Compliant Certification (e.g. Security+, CISSP, or equivalent) Security features and/or vulnerability analysis of various operating systems as defined by Intelligence agencies Experience with IT and/or network and system security administration, including operating system security configuration and account management best practices for UNIX, MS Windows, Red Hat Enterprise Linux, or CISCO systems Understanding of Systems Engineering requirements, specifications, and Experience implementing DoD and Federal IA Certification and Accreditation Processes, IA controls and developing and maintaining associated certification and accreditation documentation Familiar with Program Protection Plan (PPP) required by DoDI 5000.02 and DoDI 5200.39 Experience working on U.S. Government contract proposals as an Information Assurance Engineer subject matter expert

    Equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities

    * While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. Benefits offered include medical, dental and vision benefits; dependent care flexible spending account; 401(k) plan; voluntary life/short term disability/whole life/term life/accident and critical illness coverage; employee assistance program; sick leave in accordance with regulation. Benefits may be subject to generally applicable eligibility, waiting period, contribution, and other requirements and conditions. Benefits offered are in accordance with applicable federal, state, and local laws and subject to change at TCM's discretion.

    #Dice
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