Cyber Security Analyst

ManTech

Herndon, VA Posted 8/20/2025 Full Time

MANTECH seeks a motivated, career and customer-oriented Cyber Security Analyst to join our team onsite in Herndon, VA or Reston, VA in support of a high-priority mission at one of our National Intelligence Customers.

Responsibilities include but are not limited to:

  • Responsible for supporting the acceptance of an Authorization to Operate (ATO) for the new Modern Data Platform (MDP) transformation
  • Support the documenting and navigating the customer’s accreditation process for ATO
  • Work closely with Security Engineers to ensure security solutions are meeting customer accreditation requirements and following security controls
  • Will use RMF (Risk Management Framework) NIST 800-53, NISPOM, and ICDs for cybersecurity and information security protocols to drive tasking and ensure compliance
  • ISSE/ISSO tasking in support of documenting and navigating the customer’s accreditation process for ATO

Minimum Qualifications:

  • Bachelor’s degree in a related field OR additional equivalent work experience
  • 5+ years of experience relevant to this position
  • Experience with Software Development Lifecycle, application security, Cloud principles and engineering
  • Expert in System Accreditation process and protocols within the Intelligence Community
  • Experience with NIST 800-53 and implementing Risk Management Framework
  • Understanding of vulnerability assessment tools like Rapid7 or Nessus
  • Knowledge of User Access Monitoring and Identity Access Management
  • Experience creating and reviewing system design documents and workflows

Preferred Qualifications:

  • Experience with Terraform, SIEM and AI/ML Governance
  • Knowledge of cross-domain solutions, Zero Trust, and/or IDP (Identity Provider) integration skills
  • DoD 8570-compliant certification (e.g., Security+, CYSA+, CEH, or CISSP)
  • Experience with security tools such as Splunk, CrowdStrike, or Wireshark
  • Familiarity with SCAP tools, STIGs, or automated compliance reporting
  • Knowledge of incident response and digital forensics processes

Clearance Requirements:

  • Must have active TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations
JOB LOCATION:
Herndon, VA 20170

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