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# Cybersecurity Engineer III

- **Company:** Information Systems Solutions
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $150,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cyber Security, Information Systems, Information Systems Security Architecture Professional, Cloud Services, SAP (Applications), Web Application Security, Verification and Validation (Software), Information Security Management System, SARS Software Products, Information Technology, Data Analytics, Plan of Action and Milestones
- **Published:** August 26, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9118845/cybersecurity-engineer-iii

## About the Role

· 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

## Description

Information Systems Solutions (ISS) 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., · 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.


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