Transport Network Engineer III

Leidos

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
Shiloh, IL
Salary
$73,450–$132,775 / yr
Employment
Full-time
Posted
4 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $148k
This role $103k
$62k $183k
below market most similar roles pay here above market

This role pays less than 93% of similar roles. Most pay $129,187–$166,482 — the blue band above. At the midpoint, this role pays about $103k versus about $148k 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 435 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 351 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Transport Network Engineer III

The Transport Network Engineer III joins the Leidos Digital Modernization Sector to support the Defense Information Systems Agency. This role focuses on the sustainment, maintenance, and problem management of Department of Defense networks to ensure secure and uninterrupted availability. The engineer will perform network design, implement hardware such as shelves and cards, and deploy changes while monitoring traffic behavior. Key responsibilities include fault isolation, root cause analysis, and updating the Mission Support Services database. The position requires proficiency in Transport platforms including CIENA 6500, CIENA Corestream, Cisco NCS2K, and SYCAMORE ODXC. Candidates must possess skills in SONET, DWDM, TDM, and cryptographic systems. The work involves managing complex optical network events, performing loopback testing, and coordinating authorized service interruptions for national security infrastructure.

What you'll do

  • Design and modify network architecture to support hardware and software technical refreshes.
  • Implement new network hardware components on operational nodes.
  • Deploy network changes and monitor for impacts on customer traffic.
  • Perform fault isolation, analysis, and troubleshooting across SONET, DWDM, TDM, and cryptographic systems.
  • Conduct Root Cause Analysis for network issues and update ServiceNow tickets with accurate documentation.
  • Maintain the Mission Support Services database to reflect real-time network status.
  • Coordinate Authorized Service Interruption activities by collecting site data and scheduling maintenance windows.
  • Interact with vendor Technical Assistance Centers to gather data for hardware replacement orders.

What we're looking for

  • Must possess an active Secret security clearance.
  • Must possess DoD 8750 certification at IAT level II, Security+ CE or equivalent.
  • Requires a BS degree and 4-8 years of relevant experience, or a Masters with 2-6 years of relevant experience.
  • Must be proficient in one or more platforms: CIENA 6500, CIENA Corestream, Cisco NCS2K, CISCO MSPP 15454/15310, SYCAMORE ODXC 16K/9K, or XTERA.
  • Must have experience analyzing section, line, and path events on Optical networks.
  • Must have experience with end-to-end system loopback testing and troubleshooting on Transport networks.
  • Must have experience with ports and protocols for DWDM and SONET technologies.
  • Must have experience working with service providers and/or enterprise Transport systems utilizing CISCO/CIENA devices.

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