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Senior Information Systems Security Engineer 

About the Organization Greystones Group is an ISO 9001:2015 certified, woman-owned small business (WOSB) and small disadvantaged business (SDB) headquartered in the Washington, DC area, with additional office locations in Huntsville, AL and the Pentagon. Our company was founded in 2000 and has supported a wide variety of commercial, DoD, and other Federal Government clients, including the US Navy, US Army Cyber Command/2nd Army, Air National Guard (ANG), the Office of Naval Research (ONR), and the Headquarters Army, Deputy Chief of Staff Operations, Plans, and Training (G-3/5/7). Greystones' core capabilities include a complete understanding of full spectrum cyberspace and electronic warfare operations, their planning, execution, analytics and assessments. We have specialties in cybersecurity operations, full threat analysis and assessment, requirements definitions and determination, software development, data management, and multinational interoperability assessment and planning.

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Greystones is currently seeking a Senior Information Systems Security Engineer (ISSE) to provide support to the Navy JAG at the Washington Navy Yard. The ISSE will provide engineering and technical services to establish and validate the processes and procedures required to meet the Information Assurance (IA) and Cyber Security requirements to obtain an RMF ATO Navy JAG Applications. The ISSE will:

  • Incorporate Information Assurance Vulnerability Alerts (IAVAs) and Security Technical Implementation Guides (STIGs) with the hardware, operating system, and software to include web site applications.
  • Complete RMF artifacts, documentation and accreditation package materials for submission to the NAO.
  • Support the government Information Security System Manager (ISSM) and government System Owner (SO) during NAO package submission; to include revision, milestone, and acceptance meetings in preparation for full RMF ATO.
  • Identify the security control baseline set and any applicable overlays and tailoring for DON requirements.
  • Develop, maintain, and track the system Security Plan (SP) in eMass.
  • Perform security control implementation and testing efforts.
  • Initiate and complete Risk Assessment Reports (RARs).
  • Mitigate and close open vulnerabilities under the system’s change control process.
  • Oversee cybersecurity testing to assess security controls and record security control compliance status during the continuous monitoring phase of the lifecycle.
  • Utilize the eMASS system for documenting RMF implementation and control progress to include the final security control set implementation.
  • Produce, maintain and document all system artifacts in eMass.
Position Requirements


  • Bachelor's degree in Computer Science, Engineering, Information Systems, or relevant field.
  • Minimum 7 years of relevant work experience.
  • Must meet the training and certification requirements for Information Assurance Technical Level II as defined in the Information Assurance Workforce Improvement Program (DoD 8570.01-M). For more information see
  • Possess knowledge of and experience in implementing the applicable Security Requirements Guides (SRG), Security Technical Implementation Guides (STIG), and Security Content Automation Protocol (SCAP) benchmarks.
  • Have experience obtaining DIACAP and RMF Authority to Operate (ATOs).
Exempt/Non-Exempt Exempt  
Full-Time/Part-Time Full-Time and/or Part-Time  
Location Washington, DC  
Req Number ENG-18-00047  
Open Date 12/3/2018  
EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.  
Salary Range $145,000 annual salary or $80/hour for 1099 consulting  

This position is currently not accepting applications.

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