> Markdown version of [/jobs/ext/1678984-network-administrator-3](https://www.wearedevelopers.com/jobs/ext/1678984-network-administrator-3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Administrator 3 - **Company:** M. C. Dean, Inc. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $156,360.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Complex Networks, CompTIA Network+, Computer Networks, System Configuration, Firmware, Networking Hardware, Virtual Private Networks (VPN), Microsoft Visio, Network Monitoring, Routing, Microsoft PowerPoint, Wide Area Networks, Computer Network Technologies, Firewalls (Computer Science), Low Latency, Routing & Switching, Firewall Services Module, Cisco, User Accounts - **Published:** July 31, 2026 - **Apply:** https://www.juju.com/job/00000000gkqbey ## About the Role Clearance/Citizen Type:** Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; **active** **DoD TS/SCI w/ polygraph clearance is required., + Bachelor's Degree and 5+ Years of progressive experience or + Associates Degree and 8+ Years of progressive experience or + HS Diploma or Equivalent and 10+ Years of progressive experience + Some experience implementing various network technologies and end-user support. + Some experience in the use of routing protocols and switching technologies, LAN/WAN medias and protocols, and firewall configuration and protocols. + Familiarity with Information Assurance concepts and requirements. + Current certification in one of the following: Cisco Certified Network Associate (CCNA) or CompTIA Network+. + DoD 8570 compliance with Information Assurance Technical (IAT) Level ll or higher (e.g., Sec+). + Strong communications, time management, and organization skills to meet deadlines and quality objectives. + Experience working independently and with multidisciplinary teams. + Demonstrated time management and organization skills to meet deadlines and quality objectives. + Proficient in MS Excel, Word, Visio, and PowerPoint. ## Description We are seeking a **Network Administrator 3** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be part of a dynamic team responsible for design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to ensure implemented solutions meet stakeholder needs, standards, and performance requirements. Responsibilities Support the day-to-day planning, installation, configuration, testing, operation, analysis and documentation of complex networks. Main responsibilities include: + Support network documentation as well as establishing and maintaining User accounts, User access privileges and security policies. + Support establishing and maintaining User accounts, User access privileges and security policies. + Support planning, installing, configuring, testing, operating, analyzing and documenting duties. + Perform scheduled network status checks, troubleshooting and problem resolution. + Support planning and implementation of high and low speed LAN connections and designs. + Support planning and implementation of VPN solutions to include site-to-site VPN's built between hardware based firewalls. + Support management of hardware firmware revisions to include testing latest firmware revisions on current configurations and deploying when deemed appropriate + Support configuration of common network equipment for operation. + Collaborate with Security System Technicians on connectivity requirements and procedures. + Support troubleshooting of common network equipment. + Document common network equipment configurations and settings. + Support integration of new technologies into existing high and low speed networks. + Audit network component hardware and software changes. + Monitor network performance (availability, utilization, throughput, goodput, and latency) and test for weakness. + Support installation and troubleshooting of common enterprise class network equipment to include firewalls, routers, and switches. + Support installation and troubleshooting of fiber cross connects to existing backbone cabling. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api) ## Related Articles - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)