Network Systems Administrator - TS/SCI with Poly required

Clearance Level
Top Secret/SCI
Systems Administration
Fort Meade, Maryland

REQ#: RQ99165

Travel Required: Less than 10%
Requisition Type: Regular

We are GDIT. We stay at the forefront of innovation to solve complex technical challenges. 

GDIT is your place. Make it your own by discovering new ways to apply the latest technology securely and expertly. Own your opportunity at GDIT and you’ll be a meaningful part of improving how agencies operate. Our work depends on a Network Systems Administrator. joining our team to support one of our Maryland customers.

Key Responsibilities:

  • Provide assistance in all aspects of network management from network design through implementation, maintenance and upgrading of existing networks; specification, and related documents and implements communication system requirements to support the distributed functionality of an enclave environment.

  • Analyze network characteristics (e.g. traffic connect time, transmission speeds, packet sizes and throughput), troubleshoots problems and recommends procurement of, and/or modifications to network components. Provide support using Cisco hardware.

  • Install network applications on Cisco network servers equipment; Maintain, tests, research and resolve network issues.

  • Design, Implement and maintain various networks in accordance with specified customer requirements.

  • Prepare data network diagrams and drawings to document and assist in communicating current operational status of networks.

  • Perform data network configurations and configuration changes of various data equipment such as routers, switches, intelligent hubs, multi-function switches, end offices, signaling transfer points, PBX, voice mail, call management systems, etc. to enhance performance.

  • Understanding of enterprise management of converged networks, capacity planning, performance analysis and network tuning. In depth knowledge of TCP, UDP, IP, VLAN, VRF, DNS, and HTTP.

  • Provide technical guidance/ recommendations for network architecture.

  • Interface and communicate effectively with customer.

  • Able to work in a team environment.


  • Cisco Nexus OS, IOS, IOS-XE configuration management and equipment upgrade experience

  • Cisco ASA Firewall upgrade and management experience including IPSec VPNs

  • WAN and Campus based LAN network troubleshooting and fault isolation and resolution

  • Masters degree and 8 years’ experience, Bachelors Degree and 10 years’ experience, Associates Degree and 12 years experience, or High School Grad and 14 years’ experience in System Administration.

  • One of the following DoD approved certifications is required to meet the category/level IAT-2 (DoD 8570) requirement for this position. Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP (or Associate), CASP, GSIH, or GCED. Training and Certification provided for applicants meeting the above requirements


Nice-To-Have Skills:

  • Linux Administration

  • WSUS/SCCM experience

  • Windows Server 2012/2016, 10 deployment and management experience

  • MS Powershell scripting, VMWare PowerCLI

  • Cisco UCS, Hyperflex management experience

  • VMWare VSphere ESXi 6.x experience


  • Full-flex work week

  • 401K with company match

  • Customizable health benefits packages

  • Collaborative teams of highly motivated critical thinkers and innovators

  • Internal mobility team dedicated to helping you own your career

  • Rewards program for high-performing employees


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.