SMX

Technology platforms and defense capability services

Network Administrator

Network Engineering & AdministrationConfirmed live in the last 24 hours

Full-timePatuxent River, MD, USA$105k - $140k

About the Job

Requirements

A DoD 8570/8140 IAT Level II-compliant certification, such as Security+, CySA+, GSEC, SSCP, or another qualifying certification, is required.
At least 3 years of experience supporting network infrastructure, Cisco devices, IP networking, or related enterprise network environments is required.
Experience configuring, monitoring, maintaining, or troubleshooting network systems and infrastructure is required.
Familiarity with enterprise networking concepts, protocols, and highly available network environments is required.
Working knowledge of DoD cybersecurity practices, including Security Technical Implementation Guides, is required.
Strong troubleshooting, communication, and documentation skills are required.
Ability to work independently while collaborating effectively with technical teams and customers is required.
A Top Secret clearance is 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 Department of War contracts.

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 new network devices in accordance with 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 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, standard operating procedures, 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.

Desired Qualifications

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 common 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 within 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, standard operating procedures, and technical documentation.

SMX is seeking a Network Administrator to join our team supporting NAVAIR at Patuxent River, MD. This is a mid-level role supporting enterprise network infrastructure, boundary services, cybersecurity compliance, and modernization efforts across a large DoD environment.

This position requires approximately 2–3 days onsite each week at Patuxent River, MD.

This position is a great opportunity for a network professional looking to expand their experience with Cisco, F5, enterprise networking, cybersecurity, and cloud modernization while working alongside experienced engineering and operations teams.

Essential Duties & 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 new network devices in accordance with 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

Required Skills & Experience

Clearance Required: Top Secret
- A secret clearance may be considered to start, but candidates must be eligible for upgrade to Top Secret
- US 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
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

Desired Skills & Experience

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 common 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 within 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

#cjpost #LI-HYBRID

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:

$105,000—$140,000 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).

The proposed salary for this position is: 105000 - 140000 USD

About the Company

SMX

Technology platforms and defense capability services

SMX Tech is a provider of advanced technology solutions and capability enhancement services for government, defense, and private-sector clients. It offers a platform plus services designed to improve operational efficiency and mission outcomes, often via long-term contracts. The company differentiates itself through rigorous quality and security standards (CMMI Maturity Level 3, ISO 9001, ISO 20000, ISO 27001) and a strong workplace culture (2024 Top Workplace USA). Its goal is to be a trusted partner that helps clients achieve ambitious objectives by delivering reliable technology capable of enhancing operations and mission success.

Company size: 1,001-5,000
Company stage: Acquired
Total funding: Not listed
Headquarters: Hollywood, Maryland
Founded: 1995

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