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Chenega Corporation Information Systems Engineer (Senior) in Aberdeen Proving Grounds, Maryland


The Information Systems Engineer (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.

  • Troubleshoot network connectivity, protocol interoperability, encryption exchanges, and operating system functionality of the CDSs and surrounding systems using knowledge and experience with SELinux, Linux, and Windows server environments.

  • Perform interoperability testing, dataflow testing, throughput testing, and system performance testing to analyze functionality and propose improvements.

  • 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, including 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 and ensure validity and accuracy review of all associated documentation.

  • Perform compliance reviews of computer security plans, performs risk assessments, and validate and perform 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 perform 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 and 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 degree and 4+ years of experience required

  • 4+ years of experience may be used in lieu of a degree

  • 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) processes, including the provisions of ICD 503, the planning and execution of Security Test and Evaluation (STE), and Cybersecurity Test and Evaluation (CTE) events

  • DoD 8570 IAT II certified

  • Must be able to travel up to 75% of the time to TX, WA, KY, NC, Germany, Korea, Italy, Romina, and additional locations

  • Must have advanced experience with SELinux, Linux, and Windows server systems

  • Must have intimate understanding of networking fundamentals and network protocols, like TCP/IP, SSH, SFTP, HTTP, and SCP

  • Must have advanced experience with Cross Domain Systems, like TACDS, TRESYS, and Forcepoint

  • Possess and maintain a valid state operator's license

  • Top secret clearance required

Knowledge, Skills and Abilities

  • 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.

  • Ability to work independently without direct supervision or guidance.

  • Ability to occasionally work after hours and/or as on-call support.

  • Ability to meet minimum security clearance requirements.

  • Required to adhere to Chenega Corporation mandate that all employees must be fully vaccinated to COVID-19 by December 8, 2021.

#Chenega Decision Sciences, LLC

Chenega Corporation and family of companies is an EOE.

Equal Opportunity Employer/Veterans/Disabled

Native preference under PL 93-638.

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