Network Administrator

Senior Network Administrator

**Location:** Gaithersburg, MD (Primary Work Location)

Position Overview

As a Senior Network Administrator at Noetic, you'll serve as a technical leader responsible for the administration, optimization, and security of enterprise network infrastructure supporting mission-critical operations.

**Please note:** Gaithersburg, MD is the program's primary work location.


* Active **Top Secret/SCI** clearance with the ability to successfully pass a Polygraph examination.

---

# Primary Responsibilities

* Design, configure, administer, and maintain complex enterprise LAN, WAN, WLAN, VPN, and data center network environments.
* Install, configure, and support Cisco routers, switches, firewalls, load balancers, and other network infrastructure components.
* Collaborate with Agile Scrum teams to deliver infrastructure enhancements supporting continuous integration and rapid capability delivery.
* Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives as the networking subject matter expert.
* Monitor network performance, capacity, and availability while proactively identifying opportunities for optimization.
* Troubleshoot complex network issues, perform root cause analysis, and implement long-term corrective actions.
* Implement and maintain secure network architectures in accordance with Intelligence Community security requirements and best practices.
* Support cloud connectivity, hybrid networking, and infrastructure modernization initiatives.
* Develop and maintain network documentation, topology diagrams, standard operating procedures, and configuration baselines.
* Coordinate hardware refreshes, software upgrades, maintenance windows, and patch management activities.
* Partner with cybersecurity teams to address vulnerabilities, implement security controls, and support audits and accreditation activities.

---

# Required Qualifications

* U.S. Citizenship required per contract.
* Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field with **8–12 years** of relevant experience, or a Master's degree with **6–10 years** of relevant experience.
* 8+ years of enterprise network administration experience.
* CompTIA Security+ and Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP), or equivalent certification.
* Experience supporting large-scale, mission-critical network environments.
* Strong expertise with Cisco routing and switching technologies.
* Thorough understanding of:

* TCP/IP
* OSPF
* BGP
* EIGRP
* VLANs
* DNS/DHCP
* VPN technologies
* NAT
* QoS
* Multicast
* Experience administering enterprise firewalls such as Cisco ASA, Palo Alto, or Fortinet.
* Experience using network monitoring and performance management tools.
* Strong troubleshooting, analytical, and problem-solving skills.
* Excellent communication skills with the ability to collaborate across technical disciplines.
* Experience working in Agile or Scrum environments.

---

# Preferred Qualifications

* Cisco CCNP, CCIE, or equivalent certification.
* CompTIA Security+ CE or other DoD 8570/8140 compliant certification.
* Experience supporting Intelligence Community or Department of Defense customers.
* Experience with AWS, Azure, or hybrid cloud networking.
* Knowledge of Software Defined Networking (SDN).
* Experience with network automation using Python, Ansible, or PowerShell.
* Familiarity with Zero Trust Architecture and micro-segmentation.
* Experience with DevSecOps and Infrastructure as Code (IaC).
* Experience with VMware NSX or Cisco ACI.
* ITIL Foundation certification.

--