Network Administrator (5665)

SMX•Patuxent River, MD, MD

32d•$105,000 - $140,000•Hybrid

About The Position

SMX is seeking a mid-level Network Administrator to support NAVAIR at Patuxent River, Maryland. The role supports enterprise network infrastructure, boundary services, cybersecurity compliance, and modernization efforts across a large DoD environment. It requires approximately 2–3 days onsite each week and involves working with engineering and operations teams on Cisco, F5, enterprise networking, cybersecurity, and cloud modernization.

Requirements

Top Secret clearance required; a Secret clearance may be considered initially, but candidates must be eligible for upgrade to Top Secret.
U.S. citizenship is required for work on DoW contracts.
DoD 8570/8140 IAT Level II-compliant certification, such as Security+, CySA+, GSEC, SSCP, or another qualifying certification.
At least 3 years of experience supporting network infrastructure, Cisco devices, IP networking, or related enterprise network environments.
Experience configuring, monitoring, maintaining, or troubleshooting network systems and infrastructure.
Familiarity with enterprise networking concepts, protocols, and highly available network environments.
Working knowledge of DoD cybersecurity practices, including Security Technical Implementation Guides (STIGs).
Strong troubleshooting, communication, and documentation skills.
Ability to work independently while collaborating effectively with technical teams and customers.

Nice To Haves

Hands-on experience configuring and supporting Cisco Catalyst and Nexus switches, including VLANs, trunking, routing, and network troubleshooting.
Experience administering Cisco Firepower firewalls or comparable enterprise firewall/security platforms.
Experience configuring and supporting F5 BIG-IP, including load balancing, virtual servers, pools, health monitors, and traffic management.
Experience supporting network boundary infrastructure, including firewalls, routing, access controls, and secure connectivity between network environments.
Familiarity with enterprise networking protocols and services, including TCP/IP, DNS, DHCP, BGP, OSPF, SNMP, and 802.1Q.
Experience performing Cisco IOS/NX-OS configuration, maintenance, upgrades, and troubleshooting.
Experience applying DISA STIGs, reviewing vulnerability findings, and remediating network-device security findings.
Experience supporting network infrastructure in a DoD, NAVAIR, or other regulated enterprise environment.
Experience troubleshooting connectivity across physical, virtual, and cloud-hosted environments.
Experience creating and maintaining network diagrams, device configurations, SOPs, and technical documentation.

Responsibilities

Troubleshoot LAN, WAN, and application-level connectivity and performance issues.
Configure, maintain, and troubleshoot Cisco switches, routers, and other network infrastructure.
Manage and administer F5 BIG-IP devices and load-balancing services.
Deploy network devices according to approved engineering designs.
Support highly available network architectures and traffic-management solutions.
Maintain boundary security infrastructure supporting NAVAIR core sites.
Work with NCDOC, NAVAIR Information Assurance, and Program Management teams to investigate network security incidents.
Support DoD Public Key Infrastructure (PKI) enablement efforts.
Support NMCI/legacy network interoperability and cloud migration initiatives.
Review STIG requirements and updates and support remediation of identified vulnerabilities.
Assist with network documentation, SOPs, work instructions, processes, and desk guides.
Collaborate with Windows, Unix/Linux, cybersecurity, cloud, engineering, and other infrastructure teams supporting the Data Center.
Participate in an on-call rotation and scheduled off-hours maintenance windows as required.