Cybersecurity Engineer - 173489 - 176003 with Security Clearance

Zachary Piper Solutions is currently seeking a Cybersecurity Engineer to support a Department of Defense (DoD) customer based in San Diego, CA . This position is a full-time role that will be 100% onsite . This position is critical in safeguarding enterprise systems and ensuring compliance with cybersecurity requirements throughout the Assessment and Authorization (A&A) lifecycle . As a Cybersecurity Engineer III, you will play a pivotal role in Risk Management Framework (RMF) implementation, cybersecurity monitoring, vulnerability management, and accreditation activities within a mission-critical environment.

Key Responsibilities

• Support Assessment & Authorization (A&A) accreditation efforts in accordance with RMF requirements.
• Test and apply security controls based on security categorization, overlays (privacy, classified, intelligence, etc.), and security control tailoring.
• Conduct active and passive reconnaissance activities and assess cybersecurity risks.
• Develop and maintain Plans of Action & Milestones (POA&Ms) with accurate mitigation strategies and milestone tracking.
• Create and maintain accreditation documentation, including:
• System Security Plans (SSPs)
• Security Assessment Plans (SAPs)
• Security Assessment Reports (SARs)
• Related RMF documentation
• Manage eMASS tasking throughout the accreditation lifecycle, including:
• Quarterly Independent Verification & Validation (IV&V)
• Quarterly STIG Reviews
• Annual Security Reviews (ASRs)
• Monthly POA&M updates
• ATO, ATC, IATC, and IATT package submissions
• Maintain DISA circuit connections (CCSDs), inheritance relationships, and accreditation workflows.
• Monitor security posture, perform vulnerability assessments, and recommend remediation actions.
• Support cybersecurity monitoring and incident response activities.
• Assess incidents to determine scope, impact, and required corrective actions.
• Collaborate with stakeholders, system owners, and security teams to maintain compliance requirements.
• Work closely with mission owners and cybersecurity personnel to ensure systems remain compliant and accreditation-ready.

Requirements: Required Clearance

• Active Secret Clearance

Required Certification (IAT Level III): Must possess one of the following:

• CASP+
• CCNP Security
• CISA
• CISSP (or Associate)
• GCED
• GCIH Required Qualifications:
• 10+ years of cybersecurity, information assurance, or incident response experience
• Strong understanding of the Risk Management Framework (RMF)
• Experience with eMASS and DoD cybersecurity compliance requirements
• Experience authoring RMF accreditation documentation
• Knowledge of DISA STIGs, vulnerability management, and security auditing
• Experience supporting accreditation and authorization activities within DoD environments

Preferred Qualifications

• CISSP Certification
• Prior experience supporting NIWC Pacific or similar DoD organizations Compensation: Salary Range: $150,000 - $170,000 depending on experience Full Benefits Include:
• Medical Insurance
• Dental Insurance
• Vision Insurance
• 401(k)
• Paid Time Off (PTO)
• Sick Leave (where required by law) This job opens for applications on 10/16/2026.

Applications for this position will be accepted for at least 30 days from the posting date. #LI-CB1 #LI-ONSITE Keywords: Cybersecurity Engineer, RMF, Risk Management Framework, Assessment and Authorization, A&A, eMASS, SSP, SAR, SAP, POA&M, DISA STIG, Security Compliance, Information Assurance, Vulnerability Management, Incident Response, Security Monitoring, DoD Cybersecurity, Accreditation, Authorization to Operate, ATO, Security Controls, Cyber Risk Assessment, Information Security, CISSP, CASP+, CISA, GCIH, GCED, CCNP Security, Security Engineering, NIWC PAC, DoD, Secret Clearance, Cyber Defense, Security Auditing, Compliance Management, Enterprise Security, Information Systems Security, San Diego,