Network Administrator; Senior

Job Title:

Network Administrator (Senior)
Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start:
Secret Employee Type:
Regular Percentage of

Travel Required:

Up to 10%
Type of Travel:
Local*
*
* The Opportunity:

CACI is seeking a Senior Network Administrator for the Global Mission Operations Support (GMOS) contract, supporting the Department of State.

This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.

Responsibilities:

Implement and manage web application firewalls and Next-Generation Firewalls (NGFWs) including Palo Alto, F5 BIG-IP ASM, and CA API Gateway for comprehensive security

Troubleshoot complex firewall issues with DT teams, facilitate secure connectivity with Government agencies, and liaise with DT's Firewall Advisory Board Install, configure, troubleshoot, and maintain internal wiring, fiber optic cabling, and Layer 2/3 network devices across enterprise infrastructure

Install and configure load balancers and API Gateways appliances or virtual instances in data centers, cloud, or hybrid setups

Track infrastructure component failures and initiate escalation actions to ensure timely support responses within established Service Level Agreement (SLA) thresholds

Coordinate with DT to plan and execute proactive bandwidth upgrades, utilizing emerging technologies such as AI for network optimization and predictive analysis

Reestablish network connectivity during office moves, relocations, and facility changes, and submit Technical Service Request (TSR) documentation for new jacks and cabling installations

Provide comprehensive support for CA's micro-segmentation platforms and policies.

Provide comprehensive support for cloud and software-defined network infrastructure and policies.

Participate in design reviews for new facilities or renovation plans, providing technical input on network architecture, cabling infrastructure, and capacity requirements

Support disaster recovery network configurations ensuring rapid failover capabilities, redundancy, and minimal downtime during contingency operations

Develop and enhance technical or functional workarounds and triage steps that aid Service Desk Technicians in rapidly resolving network issues and improving resolution time Analyze network equipment logs to identify trends, detect problems, and maximize network performance and efficiency

Qualifications:

Required:

Bachelor's degree + 8 years of experience in related fields, such as network administration, network engineering, infrastructure administration, firewall management, or IT operations; equivalencies considered.

Active Secret Clearance Proven experience with next-generation firewalls (Palo Alto, F5 BIG-IP, API Gateway) and advanced network security implementations

Demonstrated expertise in Layer 2/3 networking, fiber optic cabling, network infrastructure design, and disaster recovery configurations

Strong knowledge of bandwidth management, capacity planning, and coordination with government network providers

Excellent leadership abilities with proven experience planning and leading technical network initiatives, functioning as a subject matter expert, and supervising network operations teams

Desired:

Prior experience supporting federal agencies, especially the Department of State

Experience with Cisco Umbrella, Illumio, AWS, Azure, or Oracle Cloud…