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Senior Security Systems Engineer

ANALYGENCE
United States, Virginia, Dahlgren
Jun 06, 2025

ANALYGENCE is seeking a skilled Senior Security Systems Engineer professional to support Department of Defense (DoD) systems through the full lifecycle of Assessment and Authorization (A&A) activities. This position will support NSWCDD in Dahlgren, VA. Responsibilities include authoring cybersecurity documentation, conducting system analysis, and developing A&A artifacts in alignment with DoD policies and standards (e.g., DoDI 8500.2, DISA STIGs, NSA guidelines).


  • Develop and maintain A&A documentation using Microsoft Office tools (Word, Excel, Visio).
  • Analyze and document system architecture and operations from a cybersecurity perspective.
  • Identify and document system CONOPS and derive Mission Assurance Categorization.
  • Lead the research and implementation of logical and physical security solutions to meet DoD compliance requirements.
  • Apply DISA STIGs and NSA recommendations to ensure system hardening.
  • Identify and lead the resolution of compliance gaps, DoD security policies and requirements.
  • Author and update system security requirements and specifications.
  • Plan, execute and document security tests and vulnerability assessments.
  • Serve as the Information Assurance Officer (IAO) and primary security point of contact for assigned systems.
  • Conduct and document risk assessments based on known vulnerabilities and threat actor tactics.
  • Analyze and secure physical and virtual connectivity of Naval warfare systems and interfaces.
  • Serve as Information Systems Security Officer (ISSO), managing all cybersecurity aspects of assigned systems.
  • Plan, execute, and document results of system security tests.
  • Develop and manage Information Assurance Vulnerability Management (IAVM) Plans.
  • Lead the creation of System Security Administrator and Operators Manuals (SSAOM).
  • Oversee efforts to obtain Authorization to Operate (ATO) and address issues related to Interim ATOs (IATOs).
  • Develop and/or use MBSE models to perform cybersecurity analysis.
  • Minimum of 5 years of experience with security engineering with Navy afloat/tactical combat systems, OR minimum of 10 years of general security engineering experience.
  • Preferred experience with Security Engineering on Combat Weapon Systems (Aegis, SSDS, Zumwalt)
  • Minimum IAT Level II per DoD 8570.01 and/or Navy Qualified Validator qualification
  • Strong understanding of DoD Cybersecurity policies for both Land Based and afloat/tactical systems.
  • Ability to communicate clearly and succinctly in written and oral presentations.
  • Minimum of an active Secret Clearance.
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