Cybersecurity Engineer III with Security Clearance

Mount Indie is seeking a Cybersecurity Engineer III to support the NIWC PAC Information Technology Management Support Services contract. The Cybersecurity Engineer III will be responsible for supporting Assessment and Authorization (A&A) accreditation efforts. This role maintains cybersecurity monitoring operations, performs triage to assess the scope and impact of incidents, identifies vulnerabilities, and recommends remediation strategies. The role requires in-depth knowledge of the Risk Management Framework.

100% onsite

Key Responsibilities:

• Test and apply security controls based on security categorization, the application of overlays (privacy, classified, intel, etc.) and security control tailoring (AI, NOFORN, etc.).
• Conduct active and passive reconnaissance of data, with the ability to assess and author Plans of Milestones and Actions (POA&Ms) containing accurate and verifiable mitigation statements, milestone tracking, and applying to the most relevant security control.
• Development of comprehensive required A&A documentation, including System Security Plan (SSP), Security Assessment Plan (SAP), Security Assessment Reports (SARs), etc.
• Adherence to the eMASS scheduled tasking within the accreditation cycle, including Quarterly Independent Verification and Validation (IV&V), quarterly STIG checks, Annual Security Review (ASR), monthly POA&M updates, and resubmission for ATO, ATC, IATC and IATT as applicable.
• Maintenance of DISA circuit connections (CCSDs), inheritance from accredited systems and cloud service providers, and the workflow schedule on accreditations. Requirements Clearance Level: Secret Certification IAM II One of the following: CAP CASP CISM CISSP (or Associate) GSLC

Required Qualifications:

• 10+ years of experience in cybersecurity or incident response.
• Certifications preferred:
Certified Information Systems Security Professional (CISSP). Skills &

Competencies:

• Cybersecurity Monitoring and Incident Response
• Security Testing, Auditing, and Remediation
• Data Analytics and Risk Assessment
• Proficiency with IT Security Software and Web Security Tools