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
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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.
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).
Skills Required
- Top Secret security clearance; Secret clearance may be accepted initially if the candidate is eligible for upgrade to Top Secret
- U.S. citizenship
- 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
- Strong troubleshooting, communication, and documentation skills
- Ability to work independently and collaborate effectively with technical teams and customers
- Hands-on experience with Cisco Catalyst and Nexus switches, including VLANs, trunking, routing, and network troubleshooting
- Experience administering Cisco Firepower firewalls or comparable enterprise firewall and 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, firewalls, routing, access controls, and secure connectivity
- Familiarity with 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
SMX Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SMX and has not been reviewed or approved by SMX.
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Fair & Transparent Compensation — Salary ranges are publicly listed on many postings and a pay transparency statement clarifies how location, contract, and credentials influence offers. This visibility helps set clear expectations around compensation.
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Leave & Time Off Breadth — About four weeks of PTO plus 11 paid federal holidays are highlighted in careers materials. Paid military leave on some roles further expands time‑off coverage.
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Retirement Support — A 401(k) with a dollar‑for‑dollar match on the first 5% and immediate vesting is called out in role descriptions. Traditional and Roth options support long‑term savings.
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What We Do
SMX is a global technology and advanced engineering provider specializing in Cloud Solutions, C5ISR, and Advanced Engineering / IT. Our tradition of delivering innovative, technical solutions dates back to 1995, however, you may know us better by one of our legacy company names: Trident Technologies, Smartronix, Datastrong, or C2S Consulting Group. With the support of OceanSound Partners, our private equity investment sponsor, we began operating as one business starting in 2019 and became SMX in 2021. We operate in close proximity to our clients around the globe and have core locations in Alabama, California, the DC Metro, Florida, Hawaii, Maryland, and Massachusetts. Today, as SMX, we are one team and together empower government and commercial enterprises to become more effective, innovative, and resilient, no matter what challenges they face. SMX offers competitive benefits, excellent work environments, and growth opportunities for our employees while continuing to expand operations and support our communities. We have more than 25 years of rapid and consistent growth with continuous recognition as an employer-of-choice technology company. In addition, we have earned coveted industry quality and business certifications; have a strong commitment to business partnerships, ethics, compliance, and sustainability; and have a multitude of premier contracting vehicles. The combination of these attributes allows us to provide sound, repeatable business solutions yet remain flexible and agile to quickly adapt to specific customer requirements. Committed to ensuring the highest levels of customer satisfaction, SMX is structured around the programs and technologies we support to provide optimal and seamless operations. We have maintained a reputation for excellence, helping to assure the missions of our Department of Defense, Public Sector, Fortune 1000, and other Government and commercial customers.
