The Cybersecurity Engineer III will support Assessment and Authorization (A&A) accreditation efforts, including maintaining cybersecurity monitoring operations, performing incident triage, identifying vulnerabilities, and recommending remediation strategies. Responsibilities include testing and applying security controls, conducting reconnaissance, authoring Plans of Milestones and Actions (POA&Ms), developing A&A documentation (SSP, SAP, SARs), and managing eMASS tasking throughout the accreditation cycle.… The role requires in-depth knowledge of the Risk Management Framework, DISA circuit connections, and cloud service provider inheritance. This position requires a Secret clearance, IAT Level III certification, and one of several advanced certifications (CASP+, CCNP Security, CISA, CISSP, GCED, or GCIH), plus 10+ years of cybersecurity or incident response experience.