Senior Network Architect: Routing & Switching Lead

Leidos LLC; Fort Meade (MD); On-site; USD 116,000 - 210,000; Full time

Benefits offered by this job

Health and Wellness programs

Income protection

Paid leave and retirement

Job summary

Leidos is seeking a Principal Network Engineer to serve as the senior technical authority for routing and switching across the enterprise. You will own the enterprise architecture, define standards, and guide other engineers through design and implementation of core, distribution, access, WAN edge, and data center interconnects.

You will drive strategic projects, mentor staff, and develop playbooks and runbooks while coordinating with architecture, cybersecurity, and operations teams.

Qualifications

• Expert-level experience designing, engineering, and troubleshooting enterprise routing and switching infrastructure.
• Deep knowledge of TCP/IP, BGP, OSPF, EIGRP, route policy and redistribution, VLANs, spanning tree, link aggregation, VRFs, MPLS, multicast, QoS, NAT, and high-availability design.
• Experience evaluating enterprise network architectures and developing improvement plans across LAN, WAN, WLAN, routing, switching, firewalls, VPN, proxies, SDN, and cloud-connected environments.
• Experience leading network engineering projects from planning through implementation, including requirements analysis, dependency management, risk reduction, contingency planning, execution oversight, validation, and operational transition.
• Experience serving as a senior technical lead directing the work of other network engineers, administrators, or analysts.
• Hands-on experience with two or more of the following network technologies: Cisco, Aruba, Palo Alto, Dell, Infoblox, and Brocade.
• Experience documenting logical and physical network designs, implementation plans, risks, dependencies, decision points, and technical recommendations using Visio, PowerPoint, Cameo, or similar.
• Excellent written and verbal communication skills, including presenting architecture recommendations, implementation plans, risks, and status to technical leadership and stakeholders.
• Current IAT Level II or higher certification, such as Security+ or CISSP.
• Active DoD Secret clearance.

Responsibilities

• Own the enterprise routing and switching architecture, including core, distribution, access, WAN edge, and data center interconnect designs.
• Define routing architecture and policy standards across BGP, OSPF, EIGRP, and static routing, including addressing strategy, route filtering and summarization, path selection, redistribution boundaries, and convergence targets.
• Define Layer 2 and high-availability architecture, including VLAN and spanning‑tree strategy, link aggregation, redundancy models, VRF and segmentation structure, multicast design, and QoS policy architecture.
• Develop practical engineering plans to improve enterprise capabilities and enforce configuration standards, design patterns, and technical baselines.
• Drive strategic engineering projects from concept through implementation, including architecture evaluation and change documentation for mission-critical network changes.

Skills

TCP/IP

BGP

OSPF

EIGRP

VLANs

Spanning Tree

Link Aggregation

VRFs

MPLS

Multicast

QoS

NAT

Education

Bachelor's degree or equivalent experience

Master's degree with 10+ years

Tools

Visio

PowerPoint

Cameo

Job description

Leidos is seeking a Principal Network Engineer to serve as the senior technical authority for routing and switching across the enterprise. You will own the enterprise architecture, define standards, and guide other engineers through design and implementation of core, distribution, access, WAN edge, and data center interconnects.

You will drive strategic projects, mentor staff, and develop playbooks and runbooks while coordinating with architecture, cybersecurity, and operations teams.