Network Administrator (Mid)

Foxhole Technology, Inc.•, IL

4d•Onsite

About The Position

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.

Requirements

Active Secret clearance with the ability to obtain a Top-Secret clearance
DoD 8470/8570 IAT Level II certification (e.g., CompTIA Security+ CE)
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, traceroute, 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
Think analytically
effective verbal and written communication skills
make decisions
observe/remember details
interpret data
concentrate on tasks
adjust to change
handle stress/emotions
Regular attendance
maintain work schedule
attend meetings
meet deadlines
keyboard/type
handle confidential information
use math/calculations
stay organized
operate office equipment
may direct others

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