Network Engineer

The Opportunity:
CACI is currently looking for a Senior Network Engineer with agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting the Customs and Border Protection (CBP) client located in Northern Virginia!

As a member of the BEAGLE ASF Team you will support the men and women charged with safeguarding the American people and enhancing the Nations safety security and prosperity. CBP agents and officers are on the front lines every day protecting our national security by combining customs immigration border security and agricultural protection into one coordinated and supportive activity.

In this role you will be a key technical driver in optimizing network performance for critical border security applications. Your expertise will be focused on securing and managing high-availability servers within the Demilitarized Zone (DMZ) optimizing the network infrastructure for low-latency Full-Motion Video (FMV) streaming and ensuring resilient connectivity for remote and disconnected tactical field clients operating at the tactical edge.

Responsibilities:
DMZ & Edge Architecture: Design implement secure and maintain the network architecture for external-facing systems within the DMZ ensuring robust security postures proper zoning and high availability using F5 Load Balancers and Next-Generation Firewalls (NGFW).

F5 BIG-IP Network & Application Services: Provide comprehensive end-to-end administration engineering and lifecycle management of F5 BIG-IP solutions encompassing LTM with custom iRules scripting APM ASM/Advanced WAF GTM and AFM to ensure application availability performance security and access control.

Video Streaming Optimization: Engineer monitor and fine-tune network paths Quality of Service (QoS) and routing protocols (multicast/unicast) to support seamless low-latency live Full-Motion Video (FMV) streaming to tactical operators.

Remote & Disconnected Client Support: Build and maintain secure highly resilient network pathways (including VPNs SD-WAN and cellular/satellite backup) designed to support remote field users and disconnected edge clients who experience intermittent low-bandwidth or high-latency network conditions.

Agile Team Collaboration: Serve as a collaborative member of an Agile Scrum team translating business requirements into technical network designs hardware/software solutions and automated network updates in short sprints.

Infrastructure Management: Design configure and troubleshoot routing and switching for test environments including connections back to the core CBP network Active Directory and endpoint configuration managers.

Technical Documentation: Contribute to Basis of Estimate (BOE) and Bill of Materials (BOM) buildups and support the creation/update of critical documentation including Interconnection Security Agreements (ISA) System Design Documents (SDD) and System Maintenance Plans (SMP).

Tier IV Support: Provide Tier IV escalation support for CBPs Enterprise Wide Area Network (WAN) Infrastructure troubleshooting complex routing across highly secure multi-tenant MPLS networks.

Mentorship: Provide technical guidance advice and mentoring to junior and mid-level network team members.


Qualifications:
Citizenship & Clearance: Must be a U.S. Citizen with the ability to pass a CBP background investigation. Criteria include but are not limited to:

o 3-year check for felony convictions

o 1-year check for illegal drug use

o 1-year check for misconduct such as theft or fraud

Professional Experience: 57 years of related network engineering experience supporting complex enterprise-level environments.

Education: College degree (B.S.) in Computer Science Network Engineering Information Management Systems or a related discipline (equivalent experience accepted in lieu of degree).

Location: Must be available to work a hybrid schedule with an on-site requirement in Ashburn VA.

Secure Infrastructure Design: Hands-on experience configuring Cisco Next-Generation Firewalls (NGFWs) Cisco Firepower F5 Load Balancers (LTM/GTM) and establishing secure DMZ zone transitions.

Video & Media Routing: Optimizing enterprise-wide networks for heavy-bandwidth streaming applications including multicast routing (PIM IGMP) traffic shaping and complex QoS configurations.

Cisco Routing & Switching: Advanced configuration and troubleshooting of Cisco routers (ASRs ISRs Generation 2 and 1900-7600 series) and switches to a CCNP level.

Core Protocol Expertise: Expert-level knowledge of IP routing (IPv4/IPv6) BGP (required) EIGRP OSPF and Virtual Routing and Forwarding (VRF) in highly secure multi-tenant network environments.

Edge Connectivity: Setting up secure remote access solutions Site-to-Site VPNs DMVPN or SD-WAN technologies for remote and mobile teams.

Performance Monitoring & Diagnostics: Utilizing advanced network analysis tools such as Riverbed SteelCentral NetScout Gigamon Cisco Prime and Wireshark to isolate packet loss high latency and network bottlenecks.

Collaborative Mindset: Working with minimal supervision while communicating effectively with application developers systems engineers and non-technical customer stakeholders.

Desired:

Prior experience working with Customs and Border Protection (CBP) networks and systems.

Industry certifications such as CCNP Enterprise CCIE or F5 Certified Technology Specialist.

Experience integrating on-premises networks with AWS/Cloud networking infrastructure (VPCs Direct Connect Transit Gateways).

Familiarity with tactical network equipment cellular (LTE/5G) failover routing or satellite communications (SATCOM) for edge field agents.

Experience operating within an Agile/Scrum software development environment (using Jira Confluence and ServiceNow).

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 youll be part of a high-performing group dedicated to our customers 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. Youll 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 nations 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 influence final salary including but not limited to geographic location Federal Government contract labor categories and contract wage rates relevant prior work experience specific skills and competencies education and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI you will receive comprehensive benefits such as; healthcare wellness financial retirement family support continuing education and time off benefits.

The proposed salary range for this position is: