Information Security Specialist (Senior)

Aberdeen Proving Grounds, Maryland
May 06, 2021
Jun 09, 2021
Full Time

The Information Security Specialist (Senior) will provide the support task requirements for Cybersecurity System Engineering Support, Cybersecurity Network Domain Certification and Accreditation Support, and Cross Domain Solution (CDS) Assessment and Authorization (A&A) Support. The Information Systems Engineer (Senior) will perform the tasks in coordination with government personnel to provide the cybersecurity support services and solutions necessary to build, integrate, enhance, improve, modernize, implement, test, analyze, assess, sustain, and maintain the DCGS-A cybersecurity posture and capabilities

  • Provide computer system engineering expertise and support for Cross Domain Systems (CDS) and the surrounding endpoint platforms/computing systems.
  • Integrate existing commercial vendor technologies and cross domain transfer solutions into Military Intelligence (MI) systems for secure bridging of disparate security domains.
  • Design, test, and support research and integration efforts of CDS solutions with varying levels of endpoint systems.
  • Troubleshoot network connectivity, protocol interoperability, encryption exchanges, and operating system functionality of the CDS's and surrounding systems using knowledge and experience with SELinux, Linux and Windows Server environments.
  • Perform interoperability testing, dataflow testing, throughput testing, system performance testing to analyze functionality and propose improvements.
  • Troubleshoot filtering and data inspection/processing methodologies using knowledge of various implementations such as regular expressions (REGEX), C+, Visual Basic (VB), Data Format Description Language (DFDL), and LUA languages.
  • Gather requirements for development of new CDS solutions for emerging MI systems.
  • Provide system configuration documentation, network and system diagrams, and functional test plans for CDS systems.
  • Understand and comply with National Security Agency's Raise The Bar (RTB) and Department of Defense (DoD) implementation and security guidance for CDS and MI systems.
  • Provide support of cybersecurity network domain Certification and Accreditation (C&A) support and execution activities that includes DCGS-A network domain operations requirements for the following networks; Joint Worldwide Intelligence Communications System (JWICS), Secret Internet Protocol Router Network (SIPRNET), National Security Agency Network (NSANET), Non-Secure Internet Protocol Router Network (NIPRNET) and other special or specific Coalition networks.
  • Perform the necessary efforts to analyze, assess, evaluate, integrate, improve, implement, test, sustain, and maintain the DCGS-A cybersecurity posture and capabilities required by the network domain operations compliance requirements.
  • Perform all necessary cyber domain activities to ensure the DCGS-A baselines follow the respective network domain mandated standards, and authorization to connect requirements.
  • Support Assessment and Authorization (A&A) or other RMF and cybersecurity Compliance and Auditing processes and inspections for all enterprise systems and networks; ensures validity and accuracy review of all associated documentation.
  • Perform compliance reviews of computer security plans, performs risk assessments, and validates and performs security test evaluations and audits.
  • Analyze and define security requirements for information protection for enterprise systems and networks.
  • Assist in the development of security policies.
  • Analyze the sensitivity of information and performs vulnerability and risk assessments based on defined sensitivity and information flow.
  • Assess security risk, research and recommend countermeasures in accordance with Army and DoD requirements, conduct formal security engineering assessments and security assessments.
  • Be an integral member of the team of cybersecurity validators to ensure that US Army systems are compliant with NIST Special Publication 800-53 cybersecurity controls.
  • Support on-site accreditation testing for PM DCGS-A networks at CONUS and OCONUS locations.
  • Other duties as assigned

  • BA/BS
  • 4+ additional years of experience may be used in lieu of degree
  • 8+ years of experience
  • 5+ years of working experience directly related to DoD cybersecurity engineering activities.
  • Demonstrated experience, and familiarity with DoD and Army Cybersecurity Polices and Regulations, and Certification and Accreditation (C&A) process to include the provisions of ICD 503, and the planning and execution of Security Test and Evaluation (STE) and Cybersecurity Test and Evaluation (CTE) events.
  • DoD 8570 IAT II Certified.
  • Top Secret Clearance

Knowledge, Skills and Abilities:
  • Must have advanced Skills with SELinux, Linux, and Windows Server systems
  • Must be able to travel up to 30% but no more than 50% of the time
  • Must have intimate knowledge of networking fundamentals and network protocols such as TCP/IP, SSH, SFTP, HTTP, and SCP
  • Must have advanced knowledge with Cross Domain Systems such as TACDS, TRESYS, ForcePoint
  • Ability to quickly comprehend the functions and capabilities of new technologies.
  • Ability to effectively adapt to rapidly changing technology and apply it to business needs.
  • Possess and maintain a valid state operator's license.
  • Ability to work independently without direct supervision or guidance.
  • Ability to occasionally work after hours and/or on-call support.
  • Ability to meet minimum security clearance requirements.


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