Senior Information System Security Engineer
Tyger Solutions Corporation - Falls Church, VA

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TSC is seeking a qualified Information System Security Engineer to support the design, development, accreditation, and sustainment of DoD Information Systems. The candidate must be a self-starter capable of completing tasks and producing quality deliverables with minimal supervision.

Key tasks include:

  • Develops and maintains system security plans (SSP), control guidelines, and related security artifacts.
  • Supports all activities required to achieve ATO. Including:

o Analysis and documentation requirements
o Set up and completion of security scans
o Identification, documentation, testing, and mitigation of security findings

  • Understands and implements security requirements for systems in compliance with DIACAP / Risk Management Framework (RMF), and ensures the successful completion of the C&A / A&A process.
  • Helps develop secure, scalable, and redundant solutions by applying all DISA STIG requirements, DoD and industry best practices, and vendor security guides.
  • Develops and follows Standard Operating Procedure (SOPs) and best business practices to ensure the developed solutions and mitigations are reproducible and repeatable.
  • Reviews and approves proposed changes to system baseline configurations.
  • Maintains and sustains compliance with all vendor-released security patches including applicable Information Assurance Vulnerability Messages (IAVM)
  • Works closely with the component Information System Security Manager through regular briefings, meetings, and discussions in regard to information security.


  • Candidate must hold a B.S. degree in a relevant field such as Computer Science, Information Security, or Information Systems.
  • 5+ years hands-on experience in C&A and DIACAP. Knowledge and experience with the C&A process, DIACAP, NIST, and other intelligence community standards relating to information security.
  • Experience with security vulnerability assessment tools including WebInspect, AppDetective, Nessus, and Fortify.
  • Knowledge and experience with AIX, virtualization, reporting applications, Active Directory, and databases are a plus.
  • This position requires U.S. Citizenship, Secret clearance, and compliance with DoD 8570.01-Manual, “Information Assurance Workforce Improvement Program” requirements.

License / Certificate
CISSP or Security Plus

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