Senior Cybersecurity Network Defense Administrator

Sev1Tech is looking for a The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) will be responsible for performing a variety of network defense activities in accordance with established guidelines and best practices.The responsibilities include but are not limited to:Managing ACAS infrastructure, configuration, scanning, reporting, and analysis activities in accordance with the DISA ACAS Best Practices GuideManage Army Endpoint Security Solution (AESS) Site Reviewer activities, DISA Whitelist, and PKI TokensPerforming STIG Compliance scanning and reporting, providing Ports, Protocols, & Services Management (PPSM) support, and reviewing proposed configuration changes for security impactIn-processing and out-processing tasks, manage updates to the designated training and certification tracking system, and participate in SW Assurance reviews to ensure ACAS findings are re-mediatedor appropriately documented via eMASS POA&MActive DoD Secret Security ClearanceCybersecurity Certification (such as Certified Information Systems Security Professional (CISSP)/Information Systems Security Engineering Professional (ISSEP)/Security+/Certified Ethical Hacker (CEH/etc.)Minimum 10 years’ experience with Cybersecurity and Network Defense related areasExperience with ACAS management, including infrastructure management, configuration, scanning, reporting, and analysisProficiency in managing Army Endpoint Security Solution (AESS) Site Reviewer activitiesExperience with DISA White-listmanagementKnowledge of PKI Token managementStrong understanding of DoD STIGs and ability to perform STIG Compliance scanning and reportingExperience providing Ports, Protocols, & Services Management (PPSM) supportAbility to review proposed configuration changes for security impactExperience with in-processing and out-processing tasks related to account management functionsBachelor's degree in computer science or equivalent years of experienceFamiliarity with DISA ACAS Best Practices Guide and NETCOM policiesFamiliarity with DISA Continuous Monitoring and Risk Scoring (CMRS)Strong analytical and problem-solving skillsExcellent communication and coordination skillsExperience with Army enterprise monitoring tools and practicesKnowledge of security regulations and best industry practicesAbility to work effectively in a team environment and collaborate with variousStakeholdersExperience with incident response activitiesUnderstanding of Continuity of Operations Plans and Communication PlansExperience with security compliance and control documentationWelcome to Sev1Tech! Founded in 2010, we are proud to be a leading provider of IT modernization, engineering, and program management solutions. Our commitment is to deliver exceptional program and IT support services that empower critical missions for both Federal and Commercial clients.At Sev1Tech, our mission is clear: Build better companies. Enable better government. Protect our nation. Build better humans across the country. We believe that through innovation and dedication, we can make a significant impact on the communities we serve.Join the Sev1Tech family, where your potential for greatness is limitless! Here, you will not only achieve remarkable accomplishments but also enjoy a fulfilling and rewarding career progression. We invite you to explore opportunities with us and become part of a team that values your contributions and growth.Ready to take the next step? Apply directly through our website: Sev1Tech Careers and use the hashtag #joinSev1Tech to connect with us on social media!For any additional questions or to submit referrals, feel free to reach out .

Created: 2026-03-07