Sr. Network Engineer

Leidos

Quick summary

Work type
On-site
Location
Bethesda, MD
Salary
$92,300–$166,850 / yr
Posted
3 days ago

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $161k
This role $130k
$79k most similar roles pay here $216k

This role pays less than 75% of similar roles. Most pay $129,643–$193,000 — the shaded band above. At the midpoint, this role pays about $130k versus about $161k for comparable roles.

Based on 238 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 229 open roles on FindRole.

Listed pay typically runs $107,900–$195,050 across 223 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Sr. Network Engineer

Leidos seeks a senior Network Engineer to join the National Digital Exploitation & OSINT Center (NDOC) team in Bethesda. This role involves designing and maintaining scalable and secure data center networks using spine-leaf topologies, virtualized environments, and fabric networks, while ensuring seamless connectivity between on-premises systems, cloud environments, and external mission networks. The Network Engineer will configure Cisco ACI, routers, switches, firewalls, and load balancers, manage network performance with tools like ServiceNow and SolarWinds, and lead incident resolution efforts. They must possess hands-on experience with TCP/IP protocols, network security principles, and ITSM tools, along with a DoD 8140/8570.11-IAT Level II certification. The ideal candidate has a Bachelor’s degree plus eight years of relevant experience or equivalent, and will oversee junior engineers while ensuring compliance with security and mission requirements in a high-stakes intelligence environment.

What you'll do

  • Design and maintain scalable, secure data center network architectures.
  • Integrate LAN/WAN infrastructure for seamless connectivity between on-premises systems and cloud environments.
  • Configure and manage Cisco ACI, routers, switches, firewalls, and load balancers for mission-critical operations.
  • Lead troubleshooting and incident resolution for complex network issues, including root cause analysis.
  • Develop contingency plans to ensure network resilience during outages or maintenance events.
  • Implement network segmentation, performance tuning, and latency optimization strategies across environments.
  • Evaluate emerging technologies to improve data center efficiency, scalability, and cybersecurity.

What we're looking for

  • Proven experience designing and maintaining scalable, redundant data center network architectures.
  • Hands-on expertise with Cisco ACI, Nexus, Catalyst platforms, including configuration and troubleshooting.
  • Strong understanding of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, multicast protocols.
  • Proficiency in network monitoring tools like ServiceNow, SolarWinds, NetBox for tracking network health.
  • In-depth knowledge of network security principles, including firewall rules, ACLs, and secure remote access.
  • Experience leading teams and managing performance under shifting operational priorities.
  • Excellent communication skills to brief senior leadership and government stakeholders.

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