Senior Network Architect — Routing & Switching

Leidos Inc; Odenton (MD); On-site; USD 116,000 - 210,000; Full time

Job summary

Leidos Inc. is seeking a Principal Network Engineer to serve as the senior technical authority for the routed and switched enterprise.

You will own the enterprise routing and switching architecture, define standards, and guide a team of engineers toward high-impact, secure solutions that scale and perform across data centers and WAN edges. The role requires deep TCP/IP, BGP/OSPF/EIGRP expertise, doD clearance, and a track record leading large network modernization efforts, including automation

Qualifications

• Bachelor's degree or equivalent experience with 12+ years, or Master's with 10+ years.
• Expert-level hands-on experience designing, engineering, and troubleshooting enterprise routing and switching.
• Deep knowledge of TCP/IP, BGP, OSPF, EIGRP, route policy and redistribution, VLANs, spanning-tree, link aggregation, VRFs, MPLS, QoS, NAT, and high-availability design.
• Experience evaluating enterprise network architectures and improvement plans across LAN/WAN/WLAN, security, cloud connectivity.
• Experience leading network engineering projects from planning through implementation.
• Experience serving as a senior technical lead directing work of others.
• Experience with two or more of Cisco, Aruba, Palo Alto, Dell, Infoblox, Brocade.
• Experience documenting network designs and implementations using Visio/PowerPoint/Cameo or similar.
• Excellent written and verbal communication skills for presenting to leadership.
• IAT Level II or higher certification such as Security+ or CISSP.
• Active DoD Secret clearance.

Responsibilities

• Own enterprise routing and switching architecture across core, distribution, access, WAN edge, and data center interconnects.
• Define routing policy standards across BGP/OSPF/EIGRP and static routing, including addressing, filtering, redistribution.
• Define Layer 2 and high-availability architecture, VLANs, STP, LAG, VRF, multicast, QoS.
• Provide specs for architecture and evaluate emerging technologies.
• Establish configuration standards and baselines.
• Lead strategic engineering projects from concept to operations.

Skills

Leadership

Communication

Team mentoring

Architecture decisions

Education

Bachelor's degree or equivalent experience

IAT Level II certification (Security+ or CISSP)

Active DoD Secret clearance

Tools

Cisco

Aruba

Palo Alto

Dell

Infoblox

Brocade

Job description

Leidos Inc. is seeking a Principal Network Engineer to serve as the senior technical authority for the routed and switched enterprise.

You will own the enterprise routing and switching architecture, define standards, and guide a team of engineers toward high-impact, secure solutions that scale and perform across data centers and WAN edges. The role requires deep TCP/IP, BGP/OSPF/EIGRP expertise, doD clearance, and a track record leading large network modernization efforts, including automation