On-Site DoD Cybersecurity Engineer III: RMF & A&A Expert

Zachary Piper, LLC; San Diego (CA); On-site; USD 140,000 - 155,000; Full time

Benefits offered by this job

PTO

Paid Holidays

Medical

Dental

Vision

401K

Tuition Reimbursement

Sick Leave

Job summary

Zachary Piper Solutions is seeking a Cybersecurity Engineer III to support DoD information systems with RMF/A&A activities, security documentation, and continuous monitoring. This on-site role in San Diego requires strong governance and risk management practices to protect critical defense systems and ensure mission readiness.

The ideal candidate has 10+ years in cybersecurity, DoD clearance, and IAT Level III certification, with hands-on experience in RMF, eMASS, STIGs, and POA&M management,

Qualifications

• 10+ years in cybersecurity, IA, incident response, or RMF environments.
• Experience with RMF, eMASS, DISA STIGs, POA&M management.
• Strong risk assessment, auditing, accreditation, and documentation skills.
• Active DoD Secret clearance.
• IAT Level III certification required (CASP+, CCNP Security, CISA, CISSP, GCED or GCIH).

Responsibilities

• Support RMF activities, including security control implementation, testing, and validation.
• Develop and maintain A&A documentation (SSPs, SAPs, SARs, POA&Ms).
• Perform vulnerability assessments, monitoring, incident triage, and remediation tracking.
• Manage eMASS tasking, IV&V reviews, STIG assessments, and ASRs.
• Maintain accreditation workflows and submission of authorization packages.

Skills

Active Secret Clearance

IAT Level III Certification

CISSP

CASP+

CISA

GCIH

GCED

DoD IT Security

Education

Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field

Tools

RMF

eMASS

DISA STIGs

POA&M management

Vulnerability assessment tools

Job description

Zachary Piper Solutions is seeking a Cybersecurity Engineer III to support DoD information systems with RMF/A&A activities, security documentation, and continuous monitoring. This on-site role in San Diego requires strong governance and risk management practices to protect critical defense systems and ensure mission readiness.

The ideal candidate has 10+ years in cybersecurity, DoD clearance, and IAT Level III certification, with hands-on experience in RMF, eMASS, STIGs, and POA&M management,