NCIS Network Administrator (NetOps/ITSC) | Active TS/SCI clearance

Public Trust: None

Requisition Type: Pipeline

Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

Transform technology into opportunity as a Network Administrator (NetOps/ITSC) with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

** This position is pending contract award in late August / early September 2026 timeframe. **

The Naval Criminal Investigative Service (NCIS) is an organization of approximately 2,000 personnel of which 700 serve at HQ and the remaining staff serve at offices worldwide. NCIS is the DON component with primary responsibility for criminal investigation, law enforcement (LE), counter-terrorism (CT), counterintelligence (CI), and cyber matters.  NCIS not only has primary responsibility for all criminal investigative, CI, CT, and cyber matters within the DON, but it also has exclusive investigative jurisdiction in non-combat matters involving actual, potential, or suspected criminal, terrorism, sabotage, espionage, and subversive activities.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Network Administrator (NetOps/ITSC) , the work you’ll do at GDIT will be impactful to the mission of the NCIS ITD organization in Quantico, VA.

• Focus on providing essential support for the operation, maintenance, and security compliance of the enterprise network infrastructure.

• Responsible for monitoring the network, responding to alerts, troubleshooting basic network issues, and escalating complex problems to senior engineers.

• Perform routine network checks, addressing user-reported network problems following established procedures, implementing security controls as directed by policy, participating in security audits, and ensuring network operations comply with relevant regulations and standards (e.g., DISA STIGs, NIST frameworks) under supervision.

• Assist with incident response activities, maintaining documentation of common network issues and solutions, managing the provisioning and operation of network resources based on defined processes, and collaborating with other IT teams to resolve issues.

WHAT YOU’LL NEED TO SUCCEED:

Bring your help desk expertise along with a drive for innovation to GDIT. Our Network Administrator (NetOps/ITSC) must have:

• Security Clearance Level: Active TS/SCI clearance.

• Required Experience: 5 years of increasingly complex and progressive experience in computer network engineering.

• 1 year of specialized experience related to the assigned task.

• Prior experience providing services of this type in a large government environment.

• Experience with CISCO Firepower, Palo Alto, and Juniper.

• Experience with TACLANEs, SolarWinds, IPAM, Kiwi Syslog Server, DHCP, ISE, ACI, NSX, TACACS, RADIUS, MAB, 802.1x, Event Manager Applet, Macro Creation, TFTP, SFTP, Splunk, Microsoft Visio, and Cisco Firewall Management Center.

• Experience with engineering data center and IP backbone networks in a multi‐vendor, multiprotocol environment, including networks based on various bandwidths to include T1, DS3, Fiber / Optical, DSL, Ethernet, ATM, Frame Relay, and Ethernet over Copper core, distribution, and access media including routers, switches and firewalls.

• Cisco Certified Network Professional (CCNA) is desirable.

• Experience with Bootable media creation (Rufus) and Cisco licensing. Experience with engineering data center and IP backbone networks in a multi‐vendor, multiprotocol environment including networks.

• Required Certifications: CompTIA Security+ CE required; Cisco Certified Network Professional (CCNA) is desired.

• Education: BS Degree in technical discipline.

• Location: Onsite at Quantico, VA

• Position Availability: Pending contract award in late August / early September 2026 timeframe.

• US Citizenship required

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities

• Support: An internal mobility team focused on helping you achieve your career goals

• Rewards: Comprehensive benefits and wellness packages, 401K with company match and competitive pay and paid time off

• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.

#NCIScareers

Work Requirements

Years of Experience

5 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

None

Citizenship

U.S. Citizenship Required