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Network Engineer III
Job in
Joliet, Will County, Illinois, 60431, USA
Listed on 2026-11-05
Listing for:
United One Communications, LLC.
Full Time
position Listed on 2026-11-05
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer, IT Support, Network Security
Job Description & How to Apply Below
The Digital Sector of Leidos has multiple openings in our Joint Fires Network (JFN) NOC for a Network Engineer III supporting our Global Solutions Management-Operations II (GSMO-II) program at Scott AFB, IL.
POSITION SUMMARYOur customer, Defense Information Systems Agency (DISA), acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided GIG capabilities and services in the 24x7 DISA Global Operations Center (DGOC).
PRIMARY RESPONSIBILITIES- Execute network operations to include configuration and analysis of customer circuits across optical and electro-optical multiplexers, routers, and switches.
- Perform real-time circuit redesign (alternate routing) to restore customer connectivity during scheduled and unscheduled outages and maintenance actions.
- Work directly with internal and external customers, external government agencies, and other engineering tiers to ensure maximum network availability to minimize or eliminate mission and operational impact.
- Proactively monitor network alarms across platform specific network management tools.
- Perform a variety of change management tasks which include hardware replacement, software configurations, and ASI management.
- Utilize incident management applications to document all aspects of reported outages/degradations, isolations, escalations, and resolutions during the lifecycle of a service impacting network incident.
- Assess, identify and recommend resolutions to various network incidents and/or deficiencies leveraging knowledge in one or more of following: routers, switches, crypto devices, routing, CISCO, Juniper, MSPP, optical transport network, MPLS, time division multiplexing, SDH/SONET.
- Bachelor's degree and 4+ years of prior relevant experience; or equivalent combination of education and/or experience.
- Hold DoD-8570 IAT Level 2 baseline certification (Security+ CE or equivalent) prior to start date.
- Able to work in a 24x7 shift work environment.
- Possess deep understanding of both Transport and IP network topologies.
- Must have an active DoD Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility.
- Tech control facility or cyber transport experience
- Circuit actions and vendor experience
- Solarwinds and JIRA experience
- Telco NOC, inside or outside plant experience.
- Experience with MS Office suite, i.e. Outlook, Excel, Word, Access, PowerPoint, TEAMs
- Experience with one or more of the following: alarm surveillance, fault management, LAN maintenance, performance management, change management.
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