> Markdown version of [/jobs/ext/3784670-cybersecurity-engineer-iii](https://www.wearedevelopers.com/jobs/ext/3784670-cybersecurity-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cybersecurity Engineer III - **Company:** Zachary Piper - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $140,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Cyber Security, Software Vulnerability Management, SARS Software Products, Information Technology, Plan of Action and Milestones, Vulnerability Analysis - **Published:** October 16, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9245177/cybersecurity-engineer-iii ## About the Role * 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 ## Description * 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.