Sr. Network Administrator

Foxhole Technology, Inc.

$88K — $105K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active Secret clearance with eligibility for Top Secret clearance
  • 8+ years of experience as a Network Administrator
  • Hands-on experience with Juniper and Cisco networking equipment
  • Deep knowledge of BGP, OSPF, VLAN design, and firewall administration
  • Familiarity with DoD network compliance standards (RMF, STIGs, NIST 800-53)
  • Current DoD 8140 (8570) IAT Level II approved certification (e.g., CompTIA Security+ CE)
  • Strong leadership, teamwork, and communication skills

Responsibilities

  • Configure, manage, and troubleshoot enterprise network infrastructure using Juniper and Cisco hardware
  • Design and maintain complex network routing and switching environments
  • Implement and support VMware-based virtual networking environments
  • Deploy, configure, and maintain Palo Alto firewalls to meet DoD cybersecurity requirements
  • Ensure high availability, performance, and security of network systems across multiple enclaves
  • Analyze hardware, software, and networking needs to support system development
  • Collaborate with stakeholders to document requirements and perform site surveys

Benefits

  • Access to a high-performing team
  • Opportunities for professional development
  • Support for obtaining further certifications
  • Engagement with essential cybersecurity compliance work
  • Involvement in cutting-edge network infrastructure projects
Full Job Description
Clearance: Secret with Top Secret eligibility

Hours: M-F 7:00AM-3:30PM

Foxhole Technology is seeking an experienced Senior Network Administrator to join our growing team . This position will be part of a high-performing team supporting the design, maintenance, and security of enterprise network systems.
  • Configure, manage, and troubleshoot enterprise network infrastructure using Juniper and Cisco hardware.
  • Design and maintain complex network routing and switching environments, including BGP, OSPF, VLANs, and Layer 2/3 configurations.
  • Implement and support VMware-based virtual networking environments and integrated services.
  • Deploy, configure, and maintain Palo Alto firewalls in compliance with DoD cybersecurity requirements.
  • Ensure high availability, performance, and security of network systems across multiple enclaves.
  • Apply best practices from the ITIL framework to manage IT services and assets (ITSM/ITAM).
  • Analyze hardware, software, and networking needs to support system development and integration efforts.
  • Perform site surveys and collaborate with stakeholders to document requirements, data sources, and system specifications.
  • Conduct validation testing and develop documentation to support operations and compliance. Collaborate with cybersecurity teams to ensure alignment with DoD, RMF, and STIG standards.
  • Support Tier II/III troubleshooting efforts, network diagnostics, and incident response tasks.
  • Maintain detailed configuration documentation and network diagrams.


Minimum Requirements
  • Minimum Security Clearance: Active Secret clearance with Eligibility for TS
  • Minimum of 8+ years of experience as a Network Administrator
  • Hands-on experience with: Juniper and Cisco networking equipment, Routing protocols: BGP and OSPF, Switching, VLAN design, and configuration, VMware networking components, firewall administration and rule management
  • Solid understanding of network segmentation, security zones, and access control
  • Familiarity with DoD network compliance standards, including RMF, STIGs, and NIST 800-53
  • Must have a current DoD 8140 (8570) IAT Level II approved certification (i.e. CompTIA Security+ CE)
  • Strong leadership and team collaboration skills
  • Excellent communication and coordination abilities with Government and cross-functional teams


Requirements of position: 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. May be exposed to dust/dirt, humidity, and noise

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