Network Administrator (Senior)

CACI; Ashburn (VA); Presencial; USD 110 000 - 165 000; Tempo integral

Resumo da oferta

CA CI is seeking a Senior Network Administrator to support the GMOS contract for the Department of State. The role focuses on securing and modernizing network infrastructure, overseeing a high-performing team, and aligning with ITSM practices to deliver mission-critical IT services.

The position requires an Active Secret Clearance, 8+ years of related experience, and hands-on expertise with Palo Alto, F5 BIG-IP, and API Gateway. Expect on-site work in Ashburn, VA with up to 10% travel.

Qualificações

• Bachelor's degree plus 8 years of related experience or equiv.
• Active Secret Clearance.
• Experience with next-gen firewalls (Palo Alto, F5 BIG-IP, API Gateway) and advanced network security implementations.
• Expertise in L2/L3 networking, fiber optic cabling, and disaster recovery configurations.
• Strong bandwidth management, capacity planning, and coordination with government network providers.

Responsabilidades

• Implement and manage NGFWs including Palo Alto, F5 BIG-IP, and API Gateway for security.
• Troubleshoot firewall issues with DT teams and liaise with Government agencies.
• Install, configure, and maintain internal wiring, fiber cabling, and L2/3 devices across enterprise infra.
• Install and configure load balancers and API Gateway appliances or virtual instances in data centers, cloud, or hybrid setups.
• Track component failures and escalate to meet SLA thresholds.
• Coordinate with DT to plan bandwidth upgrades and explore AI-based optimization.

Conhecimentos

Network architecture

Firewall management

Network design

Leadership

Formação académica

Bachelor's degree + 8 years experience

Ferramentas

Palo Alto

F5 BIG-IP

API Gateway

Cisco Umbrella

Illumio

Descrição da oferta de emprego

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 networking.
• Professional certifications such as Cisco CCNP, Palo Alto Networks Certified Network Security Engineer (PCNSE), F5 Certified Administrator, or CompTIA Security+
• Knowledge of ITIL frameworks, change management processes, and experience supporting mission-critical network infrastructure in secure environments

What You Can Expect

• A culture of integrity.
• At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
• An environment of trust.
• CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
• A focus on continuous growth.
• Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range

There are a host of factors that can influ