Senior Network Engineer III - DoD Global Networks

CACI International Inc; Tampa (FL); On-site; USD 72,000 - 150,000; Full time

Job summary

CACI International Inc in Tampa, FL is seeking a Network Engineer III to design, implement, secure, and sustain enterprise WAN/LAN networks for critical missions. You will work with Cisco and Juniper gear, DoD standards, and cutting-edge technologies to ensure high availability and security of communications infrastructure.

This role requires TS/SCI clearance with polygraph ability, a strong engineering mindset, and a track record delivering resilient network solutions in fast-paced environments.

Qualifications

• Active TS/SCI with the ability to obtain a Polygraph after hire.
• Bachelor's degree or equivalent experience.
• 5+ years of experience supporting large-scale enterprise or DoD networks.
• DoD 8140.01 / 8570.01-M IAT Level II Certification.
• Knowledge of DoDAF and related DoD network guidance.
• Experience with Cisco and Juniper networking technologies, including routers, switches, VPN, cryptographic devices, and remote access.
• Experience with enterprise network monitoring tools and Juniper SRX firewalls.
• Experience with IP-based DoD services: NIPRNET, SIPRNET, JWICS.
• Knowledge of IPv4/IPv6, VPNs, QoS, SDN, SNMP, VoIP, VTC, OSPF/BGP.

Responsibilities

• Support the design, implementation, operation, and sustainment of enterprise WAN/LAN networks.
• Research, evaluate, and deploy network solutions to support mission objectives.
• Troubleshoot network infrastructure hardware, software, and connectivity issues.
• Monitor network health, performance, and availability using enterprise tools.
• Develop and maintain network architecture diagrams and roadmaps.
• Plan and test network upgrades and configurations with test plans and documentation.
• Conduct traffic analysis and bandwidth optimization for performance improvements.
• Evaluate new technologies to enhance capacity, security, and resilience.
• Ensure compliance with DoD network security processes and cybersecurity policies.
• Coordinate with government agencies and external stakeholders.
• Conduct site surveys for installations and modernization efforts.
• Install, maintain, and troubleshoot satellite communications equipment and related infrastructure.

Skills

Network design

Troubleshooting

LAN/WAN

VPN

Security

Documentation

Education

Bachelor's degree in IT or related field

Tools

Cisco networking

Juniper networking

SRX firewalls

VPN solutions

NIPRNET/SIPRNET/JWICS

IPv4/IPv6

OSPF/BGP

SDN

Job description

CACI International Inc in Tampa, FL is seeking a Network Engineer III to design, implement, secure, and sustain enterprise WAN/LAN networks for critical missions. You will work with Cisco and Juniper gear, DoD standards, and cutting-edge technologies to ensure high availability and security of communications infrastructure.

This role requires TS/SCI clearance with polygraph ability, a strong engineering mindset, and a track record delivering resilient network solutions in fast-paced environments.