Added - 06/17/26 Senior Network Administrator San Antonio , Texas

Job Description Luna Data Solutions is seeking a Senior Network Administrator for a hybrid long‑term contract in San Antonio. 2 days onsite in Downtown San Antonio, 3 days remote. Long‑term contract: 12 months initially with potential extensions of 12 months each. Responsibilities Provide day‑to‑day administration, monitoring, troubleshooting, documentation, and improvement of business network services. Support LAN, WAN, wireless, firewall, internet edge, DNS, DHCP, remote access, network monitoring, network diagrams, capacity planning, and service restoration activities. Support secure network operations for a high‑assurance business IT environment, including segmentation, access control coordination, vendor handoff, configuration review, change implementation, service ticket resolution, and operational documentation. Work with internal staff, service providers, and site support personnel to keep network services available, secure, and ready for agency operations. Assist with network procurement support, asset inventory, cutover planning, migration support, vulnerability remediation, after‑hours maintenance windows, and incident‑related fact gathering when requested. Required Qualifications 8+ years of experience administering, operating, and troubleshooting enterprise LAN, WAN, wireless, VPN, and internet connectivity services. 5+ years of experience with routing, switching, DNS, DHCP, firewalls, wireless networks, network diagrams, and network performance monitoring. 5+ years of experience implementing and maintaining secure network segmentation, least‑privilege access paths, and controlled network changes. 3+ years of experience coordinating with carriers, managed service providers, hardware vendors, and internal support teams to resolve network service issues. 3+ years of experience using ticketing, change management, monitoring, documentation, and inventory practices in an operational IT environment. 2+ years of experience supporting endpoint, collaboration, identity, or cloud/SaaS dependencies that affect business network performance and user productivity. Preferred Qualifications 3+ years of experience with Palo Alto, Juniper, Cisco, Aruba, Meraki, or equivalent enterprise firewall, switching, and wireless platforms. 2+ years of experience with Microsoft 365, Entra ID, Intune, Teams Rooms, VPN replacement, zero trust, or identity‑governed remote access concepts. 2+ years of experience supporting the Texas public sector, higher education, critical infrastructure, CJIS, TAC 202, NIST, or similar regulated environments. Network+, CCNA, PCNSA, JNCIA, CISSP, or comparable certification or equivalent demonstrated experience. What Luna Data Offers Competitive compensation and benefits, including health, dental, vision, life, accident, and disability insurance. Great work‑life balance. Opportunity to work on high‑profile projects. Equal Opportunity Statement Luna Data Solutions, Inc. provides equal employment opportunities to all employees. All applicants will be considered for employment and are protected against discrimination and harassment of any type, without regard to age, race, color, religion, sexual orientation, gender identity, sex, national origin, genetics, protected veteran status, or disability status. #J-18808-Ljbffr Luna Data Solutions Inc.