Network Administrator (5663)
SMX Maryland, United States · $105K–$140K/yr
IT Services and IT Consulting · 1,001-5,000 employees
Applying here? Try the free cover letter tool — paste this posting and your résumé, no account needed.
About the role
The Network Administrator will manage and troubleshoot enterprise network infrastructure, including Cisco devices and F5 load balancers, to ensure high availability and performance. They will also collaborate with cross-functional teams to support cybersecurity compliance, cloud migration, and network security incident investigations.
What they look for
Requirements
Candidates must possess at least 3 years of experience in network infrastructure and hold a DoD 8570/8140 IAT Level II compliant certification. A Top Secret clearance is required, along with US citizenship and the ability to work onsite in Patuxent River, MD.
Benefits
Full description
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).
Similar roles
-
Network Engineer - Trading Infrastructure
Raven Vršac, Vojvodina, Serbia
-
Senior Network Engineer
Axonect Kuala Lumpur, Kuala Lumpur, Malaysia
-
Senior Network Engineer
Quality & Reliability S.A. (QnR) Strasbourg, Grand Est, France
-
System & Network Administrator
ALUMIL Efkarpia, Central Macedonia, Greece
-
Senior Network Engineer - FTC to June 2027
Reserve Bank of Australia Sydney, New South Wales, Australia
-
Senior Network Administrator - IT
Flex Chennai, Tamil Nadu, India