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# Senior Cybersecurity Network Defense Administrator

- **Company:** Peraton Inc
- **Location:** Radford, VA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $112,000 - $179,000
- **Contract:** Permanent contract
- **Skills:** Adobe Analytics, Agile Methodology, Cloud Computing, Cyber Security, Data Centers, Disaster Recovery, Network Security, Public Key Infrastructure, Enterprise Software Applications, Information Technology, Plan of Action and Milestones, Vulnerability Analysis
- **Published:** November 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9314131/senior-cybersecurity-network-defense-administrator

## About the Role

* Minimum of 12 years w/o a degree; Minimum of 10 years with AS/AA; Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA;
 * DoD 8140 qualified for DCWF 541 - Vulnerability Assessment Analyst at the Intermediate proficiency level
 * Active DoW Secret security clearance
 * US Citizenship
 * 5+ years of experience in cybersecurity and network defense.
 * Experience managing ACAS, including infrastructure management, configuration, scanning, reporting, and analysis.
 * Proficiency managing AESS Site Reviewer activities.
 * Experience managing the DISA whitelist.
 * Knowledge of PKI token management.
 * Strong understanding of DoW STIGs, and the ability to perform STIG compliance scanning and reporting.
 * Experience providing PPSM support.
 * Ability to review proposed configuration changes for security impact.
 * Experience with in-processing and out-processing tasks related to account management., * Bachelor's degree in Computer Science or equivalent years of experience, as determined by PL ALTESS.
 * Familiarity with the DISA ACAS Best Practices Guide, NETCOM policies, and DISA Continuous Monitoring and Risk Scoring (CMRS).
 * Experience with Army enterprise monitoring tools, incident response, and security compliance documentation.
 * Understanding of Continuity of Operations Plans and Communication Plans.
 * Strong analytical, problem-solving, communication, and coordination skills, and a collaborative team approach.

## Description

Every hour of every day, soldiers, acquisition professionals, and federal partners around the world count on systems that simply cannot go down. That is where PL ALTESS comes in. As the Agile Center of Excellence for the Program Executive Office Enterprise (PEO Enterprise), the U.S. Army Product Lead Acquisition, Logistics, and Technology Enterprise Systems and Services (PL ALTESS) runs enterprise-class data centers that host hundreds of programs, thousands of virtual servers, and millions of users worldwide, 24x7x365. Our team delivers the full spectrum of IT services: data center and Service Operations Center operations, network and systems administration, cybersecurity, cloud and application modernization, disaster recovery, and lifecycle testing across physical, virtual, and cloud architectures spanning multiple geographic locations. If you want your work to matter at mission scale, this is the place.

The opportunity: Run the ACAS enterprise, drive STIG compliance, and stand guard over ports, protocols, endpoints, and PKI tokens. You will be a frontline defender making sure every vulnerability is found, fixed, or properly documented.

WHAT YOU'LL DO

 * Manage ACAS infrastructure, configuration, scanning, reporting, and analysis in line with the DISA ACAS Best Practices Guide.
 * Manage Army Endpoint Security Solution (AESS) Site Reviewer activities, the DISA whitelist, and PKI tokens.
 * Perform STIG compliance scanning and reporting.
 * Provide Ports, Protocols, and Services Management (PPSM) support, and review proposed configuration changes for security impact.
 * Handle in-processing and out-processing account tasks, and update the designated training and certification tracking system.
 * Take part in Software Assurance reviews to ensure ACAS findings are remediated or documented via eMASS POA&M.