Sr. Network Specialist

Clearance Level
Network Engineering
Washington, District of Columbia

REQ#: RQ65262 Sr. Network Specialist (Open)

Travel Required: None
Public Trust: Other
Requisition Type: Regular
Job Description
  • Provides problem and incident resolution, including dealing with software and hardware vendor technical support
  • Performs daily system monitoring; verifies the integrity and availability of networking hardware, services, systems, and key processes; reviews system and application logs
  • Provides on-call troubleshooting and issue resolution as required
  • Develops and maintains installation and configuration procedures
  • Collaborate with the Security team to identify and remediate application and operating system vulnerabilities
  • Develop scripts and other automation solutions to aid in the completion of migration and integration tasks.
  • Review problems to understand the root causes of issues and ensure proper fixes are implemented and documented
  • Analyzes voice, video, and/or data communications networks, including planning, designing, evaluating, selecting, and upgrading operating systems and protocol suites and configuring communication media with concentrators, bridges, and other devices.
  • Plans network layouts and configures systems to user environments. 
  • Analyzes network topologies and traffic and capacity requirements
  • Provide technical support and troubleshooting to users.
  • Perform network administration duties to support 24/7 Operational environment.
  • Provides guidance and work leadership to less-experienced network personnel and may have supervisory responsibilities.
  • May serve as task leader.
  • Maintains current knowledge of relevant technology as assigned.
  • Participates in special projects as required.

Network Engineer candidate must have experience with the following:

  • Working Tier 2/ Tier 3 Network related Remedy tickets
  • Work with internal and external customers to fill information gaps and communicate architecture and technical solutions.
  • Assist in the development of the  Network Transport Architecture
  • Develop detailed logical designs in areas of:- Routing Table Virtualization (VRFs)-Cisco MPLS-Security, IDS, VPN and various types of encryption
  • Spanning Tree and Cisco ACI and VSS architectures
  • Multicast architecture
  • Gigabit Ethernet Switching/Routing (OSPF & BGPv4)
  • Implement the above named detailed logical designs
  • Monitor, Troubleshoot and maintain the implemented transport solutions
  • Experience with Riverbed, Cisco and F5 platforms
  • Experience supporting and troubleshooting Windows Domain Controllers


  • Security + Certification
  • 10 years of relevant work experience and a bachelors degree from an accredited university. 
  • A postgraduate degree from an accredited university may substitute for 6 years of experience.
  • Four (4) years’ experience (in addition to minimum experience requirements) to be substituted for a Bachelors degree.
  • Extensive experience troubleshooting, managing and monitoring the health of routers and switches;
  • Experience deploying, managing, and troubleshooting network systems, switching, and routing protocol standards such as: TCP/IP, MPLS, OSPF, BGP, SDN, and 802.1x.
  • Experience managing and troubleshooting DNS, DHCP, IPAM, and NTP in a large multi-site environment
  • Experience managing network equipment
  • Experience using network management and analysis tools such as SNMP probes, network taps, and traffic analyzers
  • Experience documenting network topology using Visio
  • Creating and documenting processes and creating work instructions
  • Experience working as a part of a large team and working directly with customers
  • Excellent hardware troubleshooting experience.
  • Experience with supporting teleworkers and remote access technologies
  • Strong oral and written communication skills
  • Strong customer service skills
  • Experience utilizing Remedy ITSM system
  • Experience with IBM NetCool and/or Solarwinds NMS products
  • Experience creating scripts to automate routine administration tasks
  • Experience with network security, including firewall, IDS/IPS, VPN, and vulnerability remediation

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.