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Linquest Corporation Senior Cyber Security Engineer in El Segundo, California


LinQuest is seeking a Senior Cyber Security Engineer, to join our team in El Segundo, CA.

This is an excellent opportunity to join a small, hand selected systems security engineering team defining the next generation of space communication systems supporting US Space Force and Space Systems Command (SSC) Advanced MILSATCOM Division (SZM). You will support Systems Engineering & Integration (SE&I) activities in a multidisciplinary and collaborative environment. You will work onsite, co-located and closely integrated with the Government Customer.


  • Participate in IT architecture design reviews to assess and ensure compliance with cybersecurity requirements

  • Ensure cybersecurity principles are embedded in systems engineering efforts for ground and space systems

  • Integrate the Risk Management Framework throughout the system acquisition lifecycle

  • Develop, coordinate, and implement cybersecurity strategies as a sub-component of the Program Protection Plan

  • Create, review, and assess RMF related artifacts for acceptable implementation of cybersecurity principles

  • Evaluate and apply government cybersecurity (DoD, NIST, FIPS, and CNSS) policies and instructions as necessary

  • Conduct program and technical risk assessments to determine necessary cybersecurity protection measures

  • Consult with customer and developers to provide solutions to challenging cybersecurity architectures, and clearly articulate those solutions to leadership

  • Interface with other government organizations during security evaluation of engineering design solutions

  • Provide technical security evaluation support to the SCA during contractor assessment and authorization activities

  • Integrate cybersecurity assessments into developmental and operational testing and evaluation plans

  • Evaluate the continued effectiveness of implemented protection measures within the authorization boundary

Required Skills:

  • Effective interpersonal and team-building skills, to engage at both the engineer and management levels to build confidence and collaboration between team members

  • Ability to translate cybersecurity related policies and guidance into system requirements

  • Experience with cybersecurity assessment and authorization processes such as the Risk Management Framework

  • Understanding of common vulnerabilities and associated risk mitigation strategies

  • Experience with cybersecurity policy and processes, architectures, testing and evaluation procedures

  • Articulate complicated security concepts in cross-functional planning, coordination and task execution across the spectrum of systems engineering and integration activities

  • With minimal oversight, be able to sort through complex issues, prioritize them accordingly, and elevate to management as necessary

  • Strong written and verbal communications skills

  • Understanding of risk management principles and their application within an information system

  • Experience with COMSEC key management and familiarity with cryptographic equipment lifecycle management concepts

  • DoD 8570.01-M IAT Level III approved cybersecurity baseline certification

Preferred Skills:

  • Understanding and experience in the acquisition life cycle for information systems

  • Experience in security control evaluation, testing, and assessment in complex system environments

  • Familiarity with security tools for implementing and assessing security compliance (e.g. SCAP, STIGS, ACAS)

  • Experience deploying and maintaining a Security Information and Event Management system for a multiple operating system enterprise

Required Experience:

  • 15+ years of work experience in Information Assurance/Cybersecurity

  • Bachelor’s degree in Cybersecurity, Engineering, or a related scientific or technical discipline

  • 7 years of work experience in Cybersecurity may be considered in lieu of Bachelor’s degree

  • Must have an active TS/SCI clearance to be considered for this position

Preferred Experience:

  • 10+ years of work experience in Information Assurance/Cybersecurity

  • 5 years work experience as an Information Systems Security Officer for a complex system

  • Master’s degree in Cybersecurity, Engineering, or a related scientific or technical discipline


Starting salary ranges from $160,000 to $200,000 depending on relevant experience and qualifications.


  • LinQuest offers comprehensive and competitive benefit offerings to our team members to include medical, dental, vision, retirement, paid time off, company paid life insurance, and more! For additional information please visit: https://www.linquest.com/careers/our-benefits .

COVID-19 Compliance Guidelines: As a federal contractor, all LinQuest team members may be required to comply with Executive Order 14042- Ensuring Adequate COVID Safety Protocols for Federal Contractors, which may include mandatory vaccination and ability to provide proof of vaccination status prior to start of employment. Additionally, team members are expected to comply with all safety protocols related to mask wearing and physical distancing while in covered contractor workplaces. If applicable, prospective or new employees may seek an exemption to the vaccination requirement through LinQuest Human Resources and must have an approved exemption prior to the start of their employment.


Licenses & Certifications


  • TS/SCI

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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 contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)