Cybersecurity Engineer III

Zachary Piper Solutions is seeking a Cybersecurity Engineer III to support a company focused on delivering Information Technology and cybersecurity services for U.S. Navy mission‑critical systems and infrastructure. This position is on‑site in San Diego, CA
. The Cybersecurity Engineer III will support Assessment & Authorization (A&A) efforts, maintain cybersecurity compliance activities, and ensure systems remain aligned with Risk Management Framework (RMF) requirements. This is an opportunity to directly support mission readiness by securing systems that enable critical Department of Defense operations.

• Support RMF-based Assessment & Authorization (A&A) activities and maintain system accreditation packages.
• Develop and maintain cybersecurity documentation including System Security Plans (SSPs), Security Assessment Plans (SAPs), Security Assessment Reports (SARs), and POA&Ms.
• Perform vulnerability assessments, STIG compliance reviews, security control validation, and remediation tracking.
• Manage eMASS activities including Quarterly IV&V reviews, Annual Security Reviews (ASR), POA&M updates, and ATO lifecycle support.
• Conduct cybersecurity monitoring, incident triage, risk assessments, and security control implementation across DoD environments.

• 10+ years of experience in cybersecurity, information assurance, incident response, or RMF compliance environments.
• Experience with RMF, eMASS, DISA STIGs, vulnerability management, security assessments, and accreditation processes.
• Strong understanding of cybersecurity monitoring, incident response, auditing, risk analysis, POA&M management, and security control implementation.
• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field preferred.
• Active Secret Security Clearance required.
• IAT Level III Certification required, including one of the following:
  • CISSP (or Associate)
  • CASP+
  • CCNP Security
  • CISA
  • GCED
  • GCIH

Salary Range: $140,000 - $150,000 depending on experience

Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick Leave as required by law

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Keywords: Cybersecurity Engineer, Information Assurance, RMF, Risk Management Framework, eMASS, A&A, Assessment and Authorization, NIST 800-53, DISA STIG, Vulnerability Management, POA&M, SSP, SAP, SAR, IV&V, ATO, Cybersecurity Compliance, Incident Response, Security Controls, DoD Cybersecurity, Navy Cybersecurity, Security Engineering, CISSP, CASP+, CCNP Security, GCIH, GCED, CISA, Secret Clearance, San Diego Jobs, Information Systems Security, Accreditation Analyst, Cyber Defense, Security Assessment.