Cybersecurity Engineer – Cyber Defense Operations; ISSE

Support enterprise cybersecurity missions in a secure DoD environment as a TS/SCI-cleared Cybersecurity Analyst / Engineer. This role focuses on strengthening security posture, driving compliance and accreditation through RMF, and helping teams operationalize Continuous Authorization and Continuous Monitoring practices.

Location: Fort Meade, MD (onsite). For onsite support at the National Ground Intelligence Center (NGIC) in Charlottesville, VA
, candidates willing to relocate to the Charlottesville area are encouraged to apply.

Compensation: USD 140, per year.

• Serve as a hands-on cybersecurity technical authority, providing guidance and solving complex security challenges across DoD systems, applications, networks, and enterprise environments.
• Advise architects, system owners, engineers, administrators, and cybersecurity personnel on security requirements, system design, technical risk, and secure implementation.
• Assess system architectures, configurations, technologies, and proposed solutions to identify vulnerabilities, security risks, and mitigation strategies.
• Conduct vulnerability assessment and remediation using ACAS
  , Tenable/Nessus
  , SIEM
  , and other cybersecurity tools.
• Apply, validate, and troubleshoot DISA STIGs
  , SCAP benchmarks
  , security controls, configuration baselines, and system-hardening requirements.
• Support incident response,
  Continuous Monitoring (Con Mon), vulnerability management, and ongoing assessment of system security posture.
• Implement and validate cybersecurity controls across operating systems, applications, networks, endpoints, and enterprise infrastructure.
• Identify opportunities to automate security assessments, vulnerability management, configuration validation, control testing, and other cybersecurity processes.
• Evaluate emerging technologies, modernization efforts, and architectural changes to identify cybersecurity requirements, technical risks, and secure implementation approaches.
• Provide cybersecurity engineering guidance across initiatives including Zero Trust
  , ICAM
  , cloud
  , Dev Sec Ops ,
  data-centric security
  , software supply chain security
  , security automation, and Artificial Intelligence (AI).
• Support RMF
  , ATO
  , and continuous authorization work, including SSPs
  , POA&Ms
  , eMASS
  , security controls, risk assessments, and supporting technical evidence.
• Communicate complex cybersecurity risks, technical findings, remediation strategies, and security posture to technical teams, system owners, mission stakeholders, and leadership.

• BS degree in Engineering, Computer Science, or related field (experience may be substituted for degree).
• TS/SCI Clearance
  .
• DoD 8140 (8570) IAT Level II Certification.
• Minimum 4 years of hands-on cybersecurity engineering experience, preferably supporting DoD or Intelligence Community environments.
• Strong knowledge of cybersecurity engineering principles and DoD cybersecurity requirements, with ability to translate requirements into practical technical solutions.
• Experience assessing system architectures and technical implementations and providing cybersecurity guidance to architects, engineers, administrators, and system owners.
• Hands-on experience with vulnerability management, system hardening, DISA STIGs, SCAP, ACAS, Tenable/Nessus, and remediation of technical findings.
• Strong working knowledge of Windows and Linux systems, networking, authentication, access controls, and enterprise security technologies.
• Experience implementing, assessing, and validating security controls across systems, applications, networks, and enterprise environments.
• Practical knowledge of RMF
  , Continuous Monitoring,
  NIST SP 800-53
  , eMASS
  , POA&Ms
  , SSPs
  , and ATO processes.
• Ability to independently analyze complex cybersecurity problems,…