Senior Network Engineer

Key Responsibilities

• Engineer, design, test, and implement network solutions across on-premises and cloud environments to meet functional and technical requirements.
• Own and extend the Cisco Application Centric Infrastructure fabric.
• Design, implement, and tune load balancing across F5 Local Traffic Manager and Global Traffic Manager.
• Lead colocation implementation, data center migration, and equipment relocation activities.
• Develop design documentation — system design documents, topology diagrams, configurations — and drive it through peer review and security approval before implementation.
• Coordinate change requests with stakeholders and follow change management procedures to minimize operational impact.
• Conduct testing of networking hardware, software, configurations, and tools; remediate bugs and vulnerabilities; validate clean integration.
• Manage software and firmware upgrades and patching, automating where possible and scheduling to minimize disruption.
• Provide Tier 3 escalation support for network and mission-critical application outages, including corrective action planning and write-ups.
• Partner with security and operations teams on monitoring, network taps, and traffic visibility.

Required Qualifications

• US citizenship, and the ability to pass a five-year CBP background investigation (SF-85P, Public Trust).
• Work cannot begin until the investigation is adjudicated.
• 10 years of relevant experience with a Bachelor's degree, or 14 years without a degree.
• Production experience with Cisco Application Centric Infrastructure (ACI) fabric.
• Production experience with Cisco routing and switching and Cisco Firepower firewalls.
• Hands-on F5 LTM and/or GTM load balancing.
• Working knowledge of DMZ architecture, circuit provisioning, and enterprise network security appliances.
• Strong understanding of network security principles, resiliency, availability, and interoperability.
• The ability to produce design documentation to a standard that survives peer and security review.
• A willingness to travel approximately 35%.

Preferred Qualifications

• Data center move or relocation experience.
• A favorable CBP background investigation or DHS High Risk background investigation within the past 4 years.
• CCNP or CCIEN.
• NetScout performance appliances and IXIA network taps.
• Software Defined Networking and SD-WAN.
• Meraki wireless and NTP infrastructure.
• Prior federal or DHS/CBP program experience.