Tier 3 Network Administrator
Listed on 2026-02-14
-
IT/Tech
Cybersecurity, IT Support
Overview
Job Title:
Tier 3 Network Administrator
Job Category:
Information Technology
Time Type:
Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type:
Regular
Percentage of
Travel Required:
Up to 10%
Type of Travel:
Continental US
The Enterprise Communications Services 3 (ECS3) program supports our intel customer across its operating locations. Our focus is to help the organization technically transform its current services by leading edge technology insertions. We are charged with the development of new designs, their implementation, and operation of the new and/or enhanced services. Over the life of the contract, we will drive continual service improvement by tech modernization for our LANs, WAN, Unified Communications (UC), Video telecommunication and Streaming services.
As a Tier 3 Network Administrator, you will be challenged with hard, complex support problems where you will coordinate with other NOC and Operational staff and be asked to lead and perform platform upgrades. You are expected as one of the leaders on the Network team to coordinate ticket acceptance and resolutions. You will develop technical resolution reports for critical outages in the Network.
ResponsibilitiesIn this role the Network Administrator will be responsible for:
- Performing System patching and IAVA patches to network routers and switches.
- Performing IOS and Software upgrades.
- Creating, reviewing, and publishing in KM system Standard Operating Procedures (SOP) for network operations.
- Troubleshooting system failures and accessibility problems within the network to our services.
- Monitoring network performance, tracking usage and developing capacity planning reports.
- Developing and maintaining IP Address allocations tables.
- Making recommendations that enhance operational efficiencies for network monitoring, management, and overall operations.
- Using experience and knowledge articles to understand/implement potential workarounds; updating knowledge articles and handling "how to" questions; supporting KM management by entering solutions into the Solutions database.
- Facilitating engineering design data calls.
- Leading new/enhanced network implementation, installation, and technical refresh projects within a site or locale.
- Working independently while providing leadership to the rest of the Network team.
- Performing network ticket resolution.
- Supporting Network ticket closure across Network OPS staff to include: completes initial categorization of Service Requests (type, sub-type, location device, priority, etc.).
- Using administrative access to the network to provision new switches, routers, VLANs and crypto.
- Using administrative access to network components to research errors, incidents, problems and to perform incident analysis and identify potential problems.
- Routing Service Requests to the appropriate organization required for incident resolution.
- Performing root cause analyses.
- Completing problem resolutions associated with incident ticket(s).
- Configuring, deploying, managing, and maintaining Network monitoring systems used by technicians to ensure availability and overall performance of system and services.
- Assisting with development of network-related implementation and deployment documentation.
- Testing and evaluating network designs to determine whether customer requirements are met efficiently and effectively.
- Supporting development of testing aids for validating lab configurations or systems in the lab.
- Assisting with testing and documentation for products/solutions/systems being tested.
- Leading research and testing of new or modified hardware or software products to determine performance and interoperability.
- Supporting engineers or other staff in the design or implementation of new solutions.
- Leading validation of lab environment disaster recovery plans.
Required:
- IAT II certification
- TS/SCI security clearance with ability to obtain a polygraph
- 12+ Years of relevant experience (Bachelor’s Degree in relevant field may be substituted for 5 years of relevant experience)
Desired:
- CCNA (Desired)
A culture of integrity.
At CACI, we place character and innovation at the center of…
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