Cyber Security Engineer

Trinity Global Consulting

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Springfield, Virginia, US on site Until 8/21/2026 5+ years exp First posted March 31, 2026 Last posted March 31, 2026
Job description

Duties May Include:

  • Apply RMF processes to support system Assessment & Authorization (A&A), including control selection, implementation, assessment, and continuous monitoring
  • Develop, review, and maintain security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts in tools such as XACTA or eMASS
  • Conduct vulnerability assessments and compliance scans (e.g., ACAS) and track remediation of findings and IAVM requirements
  • Implement and validate security controls aligned with NIST 800-53, CNSSI 1253, and related DoD guidance
  • Support system hardening, patching, and configuration management in compliance with STIGs for Linux, Windows, and network devices
  • Monitor systems for security events and support incident response and risk mitigation activities
  • Assess security impacts of system changes and support configuration control boards (CCBs)
  • Collaborate with system engineers, administrators, and DevSecOps teams to integrate security throughout the system lifecycle
  • Provide cybersecurity risk input to program leadership, Authorizing Officials (AOs), and stakeholders

Requirements

Required Qualifications:

  • Bachelor's degree with 5+ years of experience (or equivalent experience)
  • DoD 8570 IAT Level II or higher certification (e.g., Security+, CySA+, CISSP)
  • Experience with RMF, A&A, POA&M, and ATO documentation (XACTA/eMASS)
  • Hands-on vulnerability scanning and compliance tracking (ACAS, IAVM)
  • Experience securing Linux and Windows systems, STIGs, patching, and system hardening
  • Knowledge of NIST 800-series publications and incident response processes
  • Strong analytical, communication, and collaboration skills
  • US Citizenship required
  • Active or current (within two years of active) Top Secret clearance with SCI eligibility

Desired Qualifications:

  • Scripting or development experience (Python, Java, React)
  • DevSecOps tools and pipeline experience
  • Experience with Linux (Red Hat/CentOS), databases, web apps, or big data platforms
  • Familiarity with Agile environments and tools (Jira, Confluence)
  • Experience with NIST SP 800-171 and System Security Engineering (SSE)

Benefits

At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes:

  • Medical, Dental & Vision Coverage – Coverage for eligible employees and family through CareFirst and VSP.
  • Paid Time OffPTO granted in accordance with contract requirements.
  • Paid Holidays11 federal holidays observed annually.
  • Disability & Life Insurance – Short-term/long-term disability, life insurance, and AD&D coverage included.
  • 401(k) Retirement Plan – Competitive plan managed through Ameritas.
  • Professional Training – Formal training provided as required, with additional learning opportunities based on role.

About this role

Summary

Support system security assessments, implement controls, and monitor cybersecurity activities.

Job title

Cyber Security Engineer

Experience level

5+ years

Minimum experience

5+ years exp

Industry

defense

Location requirements

Must be in Springfield, Virginia; remote not specified.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

RMFA&APOA&MATO documentationvulnerability scanningACASIAVMLinux securityWindows securitySTIGsNIST 800-seriesincident responsesecurity certifications

Preferred skills

PythonDevSecOpsweb appsbig data platformsAgile tools

Specializations

RMFA&Asecurity documentationvulnerability assessmentssystem hardening
Locations

Structured locations inferred from the posting.

Springfield, VA, USA

On-site City