Network Administrator – Operations Engineer

Leidos

Network Administration & Operations Engineer managing communications infrastructure for the Rock Island Arsenal's prototype development. Leading the integration of technologies and ensuring operational readiness.

Posted 7/21/2026full-timeRemote • 🇺🇸 United StatesJuniorMid-Level💰 $48,100 - $86,950 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing, implementing, and maintaining network infrastructures, with a strong focus on security and interoperability. Proficient in troubleshooting and optimizing network performance in mission-critical environments.

Highest-signal resume keywords

Network Infrastructure DesignTCP/IP NetworkingRouting ProtocolsFirewall ConfigurationNetwork Troubleshooting

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Network DesignNetwork ConfigurationNetwork AdministrationRoutingSwitchingVLANVPNDNSDHCPNetwork Management

Tools & Technologies

RoutersSwitchesFirewallsWireless InfrastructureCommunications Equipment

Industry Keywords

Department of DefenseMission-Critical SystemsOperational EnvironmentsLayer 2 NetworkingLayer 3 Networking

Tech Stack

Tools & technologies

DNSFirewallsSwitchingTCP/IP

About the role

Key responsibilities & impact

Design, implement, configure, and maintain the network infrastructure supporting the Rock Island Arsenal (RIA) Increased Access OTA Prototype, including routers, switches, firewalls, wireless infrastructure, servers, and supporting communications equipment.
Lead the integration of multiple commercial, Government, and third-party vendor technologies into a secure, reliable, and interoperable network architecture supporting the prototype's layered security system.
Monitor, troubleshoot, and optimize network performance, availability, connectivity, and reliability across laboratory, staging, and operational environments to ensure mission readiness.
Collaborate with Systems Engineering, Security Architecture & Engineering, Software Engineering, and Integration & Test teams to support system integration, customer demonstrations, operational assessments, and field deployments.

Requirements

What you’ll need

Typically requires high school diploma or equivalent and 2 – 4 years of prior relevant experience.
Demonstrated experience designing, implementing, configuring, and administering enterprise or Department of Defense (DoD) network infrastructures supporting mission-critical systems.
Demonstrated experience planning, installing, configuring, testing, and maintaining network equipment including routers, switches, firewalls, wireless infrastructure, and supporting communications hardware.
Demonstrated experience troubleshooting network connectivity, routing, switching, firewall, VLAN, VPN, and communications issues in complex operational environments.
Working knowledge of TCP/IP networking, Layer 2 and Layer 3 networking, routing protocols, network segmentation, DNS, DHCP, VLANs, VPNs, and network management principles.
Ability to travel up to 50% to support laboratory integration, customer demonstrations, installation, and operational assessments.

Benefits

Comp & perks

Health and Wellness programs
Income Protection
Paid Leave
Retirement