Senior Network Engineer: DMZ/Edge & F5 Expert

CACI International Inc; Ashburn (VA); Hybrid; USD 87,000 - 182,000; Full time

Job summary

CACI International Inc. is seeking a Senior Network Engineer for the BEAGLE ASF Team supporting the CBP client in Northern Virginia. You will optimize DMZ/edge networks, manage F5 BIG-IP and NGFW deployments, and ensure low-latency FMV streams for field operators.

Join an Agile team focused on secure, high-availability networks, remote connectivity, and mission-critical services, with on-site Ashburn work requirements and hybrid scheduling.

Qualifications

• Bachelor-level degree in a technical field or equivalent experience.
• 5–7+ years of related network engineering experience in enterprise environments.
• U.S. citizenship and ability to pass CBP background checks.

Responsibilities

• Design, secure, and maintain DMZ/edge network architecture with high availability.
• Administer F5 BIG-IP LTM/GTM, APM, ASM/Advanced WAF, GTM, and AFM.
• Optimize video streaming paths for low latency and QoS for FMV.
• Support remote/disconnected field clients via VPN, SD-WAN, and backup links.
• Collaborate in an Agile Scrum team to translate requirements into network designs.
• Configure routing/switching for test environments and core CBP network connections.
• Develop/maintain documentation (BOE, BOM, ISA, SDD, SMP).
• Provide Tier IV escalation for CBP WAN infrastructure and multi-tenant MPLS networks.
• Mentor junior/mid-level engineers.

Skills

Secure infrastructure design

Video routing

Cisco routing & switching

Core routing protocols

Edge connectivity

Performance monitoring

Collaboration

Education

B.S. in CS / Networking

Tools

F5 BIG-IP

NGFWs

Riverbed SteelCentral

Wireshark

Cisco Prime

NetScout

Gigamon

Job description

CACI International Inc. is seeking a Senior Network Engineer for the BEAGLE ASF Team supporting the CBP client in Northern Virginia. You will optimize DMZ/edge networks, manage F5 BIG-IP and NGFW deployments, and ensure low-latency FMV streams for field operators.

Join an Agile team focused on secure, high-availability networks, remote connectivity, and mission-critical services, with on-site Ashburn work requirements and hybrid scheduling.