Senior Network & Systems Engineer

Leidos

Confirmed live today High trust

Quick summary

Work type
On-site
Location
Fort Belvoir, VA
Salary
$92,300–$166,850 / yr
Employment
Full-time
Posted
2 days ago
Freshness
Confirmed live today

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $168k
This role $130k
$79k most similar roles pay here $218k

This role pays less than 76% of similar roles. Most pay $130,942–$204,662 — the shaded band above. At the midpoint, this role pays about $130k versus about $168k for comparable roles.

Based on 240 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 340 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 294 roles with salary data.

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View all roles at Leidos

At a glance

TL;DR · Senior Network & Systems Engineer

The Sr. Network & Systems Engineer joins the I3TS program to provide advanced engineering and operational oversight for a Department of War contract. This role serves as a primary technical authority, performing systems analysis, architectural engineering, and incident leadership to manage enterprise-wide IT infrastructure across Unclassified, Secret, and Top-Secret networks. The engineer will design and modify network configurations, security protocols, and Active Directory services while serving as an escalation authority for complex outages. Day-to-day responsibilities include monitoring global networks using SolarWinds, managing ServiceNow ITSM workflows, and providing executive briefings to mission partners. Required expertise includes proficiency in TCP/IP, DNS, DHCP, VPNs, firewalls, system virtualization, and enterprise storage networks. The candidate must possess a DoD 8570.01-M IAT Level II certification and have extensive experience in network design or IT operations management within a secure environment.

What you'll do

  • Analyze and modify enterprise IT server, storage, and network infrastructures to meet DoD security baselines.
  • Serve as the primary escalation authority for complex multi-system outages and perform root-cause analysis.
  • Perform 24/7 monitoring of global enterprise networks using approved tools like SolarWinds.
  • Document and test network configurations, security protocols, and Active Directory services.
  • Provide technical advice to high-level mission partners regarding system vulnerabilities and operational impacts.
  • Author and present after-action reports and technical briefings to senior leadership.
  • Develop and enforce incident response workflows and standard operating procedures for IT services.
  • Manage third-party vendor solutions and configurations within the ServiceNow ITSM framework.

What we're looking for

  • Active Top Secret/SCI security clearance is required at time of consideration.
  • Must possess a current DoD 8570.01-M IAT Level II certification (e.g., Security+ CE) or higher.
  • BS degree in Computer Science, Information Technology, or related field with 8–12 years of experience.
  • Master's degree with 6–10 years of experience in enterprise systems engineering, network design, or IT operations management.
  • Specific high-level technical experience may be considered in lieu of a degree.
  • Advanced understanding of network protocols (TCP/IP, DNS, DHCP, VPNs, firewalls), system virtualization, and enterprise storage networks.
  • Proficiency in administering enterprise monitoring suites like SolarWinds, Active Directory architecture, and ITIL/ITSM frameworks.

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