Network Administrator
Listed on 2026-07-01
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IT/Tech
Cybersecurity, Network Security
Clearance:
Secret with Top Secret eligibility
Work Hours:
Monday-Friday 9:00AM-5:30 PM
Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world.
We are seeking a mission-focused and technically capable Mid-Level Network Administrator to support a Department of Defense (DoD) cybersecurity program. In this role, you’ll assist with managing and securing network infrastructure in a classified, high-assurance environment. The ideal candidate will bring hands-on experience with network hardware, strong troubleshooting skills, and a collaborative mindset, with opportunities to grow within a dynamic and fast-paced team.
Responsibilities- Perform daily administration and maintenance of LAN/WAN infrastructure, including Juniper and Cisco routers, switches, and firewalls
- Monitor network performance, identify bottlenecks, and resolve connectivity issues promptly
- Support implementation of network security configurations and policies in alignment with DoD cybersecurity frameworks
- Conduct regular vulnerability scans and support remediation efforts using tools such as ACAS
- Apply Security Technical Implementation Guides (STIGs) and contribute to Information Assurance Vulnerability Management (IAVM) compliance
- Maintain up-to-date network diagrams, configuration baselines, and asset inventories
- Assist in incident response activities by collecting and analyzing network data
- Work closely with senior network engineers, cybersecurity personnel, and systems teams on RMF-aligned initiatives
- Participate in formal change management processes for planned network updates and implementations
- Active Secret clearance with the ability to obtain a Top-Secret clearance
- 3+ years of experience in network administration in a DoD or large-scale IT environment
- Solid understanding of networking fundamentals, including TCP/IP, subnetting of Juniper and Cisco routing, and switching
- Hands-on experience with:
Juniper and Cisco networking equipment, Routing protocols: BGP and OSPF, Switching, VLAN configuration, VMware networking components, firewall administration and rule management - Familiarity with RMF processes, STIGs, and system hardening practices
- Proficiency with common troubleshooting tools (ping, trace route, Wireshark, etc.)
- Strong attention to detail, documentation habits, and communication skills
- Ability to work both independently and as part of a mission-oriented technical team
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