Network Administrator (Senior-Level)

Link Solutions, Inc.•Huntsville, AL

7d•$80,000 - $100,000•Onsite

About The Position

Link Solutions, Inc. is seeking a senior-level Network Administrator to support the U.S. Army Aviation and Missile Command (AMCOM) at Redstone Arsenal in Huntsville, Alabama. The role provides technical leadership for the administration, optimization, security, and modernization of enterprise network infrastructure supporting mission-critical operations. It covers routing, switching, wireless networking, network security, and infrastructure management in a complex enterprise environment, using Cisco, Juniper, and Aruba technologies. The position is non-remote, and a relocation incentive is available. Candidates must be U.S. citizens with an active DoD Secret clearance and an IAT Level II certification or higher. The Network Administrator will serve as a senior technical resource for complex network issues and escalated troubleshooting, support critical network services and cybersecurity compliance, and contribute to technology modernization and operational readiness across the AMCOM enterprise. This position is contingent on successful government contract award, funding availability, completion of contract negotiations, and customer approval.

Requirements

U.S. citizenship.
Active DoD Secret clearance.
At least eight years of experience supporting, administering, and troubleshooting enterprise network environments.
DoD 8570/8140 IAT Level II certification or higher, such as CompTIA Security+ CE or equivalent.
Cisco Certified Network Professional (CCNP).
Juniper Networks Certified Associate (JNCIA-Junos | JN0-103).
Extensive experience supporting Cisco, Juniper, and Aruba networking equipment.
Experience managing enterprise routing, switching, wireless, and network infrastructure technologies.
Experience leading complex troubleshooting efforts and network modernization initiatives.
Baseline certification must be obtained within six months of hire if not already held.

Nice To Haves

Bachelor's degree in Computer Science, Information Technology, IT Service Management, or a related technical discipline.
JNCIS-ENT Enterprise Routing & Switching Specialist certification.
Microsoft certification supporting Windows 10, Windows 11, or Microsoft 365 Endpoint Administration.
Experience supporting Department of Defense (DoD) environments.
Experience supporting Army aviation, enterprise infrastructure, or modernization initiatives.
Experience supporting mission-critical systems and high-visibility customers.
Experience with Knowledge Management initiatives, process improvement, or operational documentation development.
Excellent written, verbal, and interpersonal communication skills.
Superior organizational skills, attention to detail, and ability to prioritize and manage multiple tasks.
Experience mentoring junior administrators and leading technical initiatives.

Responsibilities

Administer, maintain, optimize, and secure enterprise network infrastructure supporting mission-critical operations.
Serve as a senior technical resource for complex networking issues, escalated troubleshooting, and operational support.
Design, implement, and support enterprise routing, switching, wireless, and network security solutions using Cisco, Juniper, and Aruba technologies.
Monitor network performance, analyze utilization trends, and implement reliability, availability, and operational efficiency improvements.
Lead network modernization, technology refresh, and infrastructure enhancement initiatives.
Develop and maintain network architecture documentation, configuration baselines, and operational procedures.
Collaborate with systems administrators, cybersecurity personnel, engineers, and Government stakeholders to resolve technical issues and improve service delivery.
Support network security initiatives, vulnerability remediation, and cybersecurity compliance requirements.
Perform capacity planning, disaster recovery support, and continuity of operations activities.
Provide technical leadership, mentoring, and knowledge transfer to network and IT support personnel.
Support training initiatives so users and technical staff understand available network resources and capabilities.
Support infrastructure modernization and digital transformation initiatives across the AMCOM enterprise.