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UC NOC Technician III

Leidos · Shiloh, IL · $65,000–$75,000 a year · Full time

Posted Sep 30, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a process you developed or improved for a NOC team.

What they are checking: Whether they build better ways of working, which a level III technician is expected to do.

Tell me about a time you trained a teammate on something technical.

What they are checking: Whether they can teach clearly and patiently, since training the team is part of this role.

This role requires nights and weekend duty and long stretches on the phone. How have you handled that kind of work before?

What they are checking: Whether they have the stamina and customer patience for a demanding shift schedule.

Tell me about a time you had to admit you did not know the answer during a customer call.

What they are checking: Whether they are honest about limits and know how to find the right answer fast.

What would you do

A ServiceNow ticket has bounced between three teams without a fix. How would you take ownership?

What they are checking: Whether they can resolve unclear problems by using broad knowledge of the architecture.

A UC stakeholder demands an update every ten minutes during an outage. How do you handle that?

What they are checking: Whether they manage stakeholder communication without letting it slow down the fix.

About the work

What does Unified Capabilities cover in a DoD environment, and what kinds of services would you be supporting?

What they are checking: Whether they understand the voice, video and collaboration services a UC NOC keeps running.

Walk me through how you would troubleshoot one-way audio on a SIP trunk.

What they are checking: Whether they know common SIP issues like NAT, codecs and firewall rules and can isolate them.

How do you analyze a problem on a TDM circuit compared with a SIP trunk?

What they are checking: Whether they can work across legacy and IP voice since the posting names both.

How do you decide which points of contact to notify when a circuit goes down?

What they are checking: Whether they follow notification rules tied to heightened-awareness networks and locations.

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The full job description

As published by Leidos.

Our customer is the Defense Information Systems Agency (DISA) and 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). Shift work to include nights and weekend duty is required. Position may include extended periods of sitting while on a computer or phone and speaking with customers. The Leidos Digital Modernization Sector and DoD Enterprise and Cyber Operations (DECO) have an opening in our Unified Capabilities (UC) NOC Technician III. This position requires U.S. citizenship with an active Secret clearance. Job Responsibilities: Responsible for performing, training team and developing processes for the following duties: • Create/update/resolve unclear problems and issues faced, utilizing a broad knowledge of the network architect, utilizing the Service Now platform • Notify necessary points of contacts based on essential or heightened awareness networks, circuits or location incidents • Execute network operations to include configuration and analysis of customer circuits across Time Division Multiplexing (TDM) and Session Initiated Protocol (SIP) trunks. • Work directly with customers, UC stakeholders, and leaders internal and external to the organization across multiple areas to ensure maximum network availability to minimize or eliminate mission and operational impact. • Proactively monitor network alarms across platform specific network management tools. • Support all customers to include providing global situational awareness support. • Verify that service has been restored upon resolution of all customer-initiated tickets • Provide timely situational awareness to leadership and the impacted community within discovery and ticket creation using approved communication methods as outlined • Proactively monitor network alarms across platform specific network management tools. • Record, assess, track, and monitor incident tickets escalated to operational infrastructure. • 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. • Perform configuration maintenance on route plans, route lists device profiles, calling search spaces, and route partitions. • 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 configuration deficiencies • Develop and/or recommend solutions and processes pertaining to UC and DRSN operations. Minimum Qualifications: • 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. • Must have an active DoD Top Secret security clearance. • Requires general understanding of both voice infrastructure and IP network topologies. Desired Qualifications: • Tech control facility or cyber transport experience • Circuit actions experience • Experience with MS Office suite, i.e. Outlook, Excel, Word, Access, PowerPoint, TEAMs. • Experience with one or more of the following: alarm surveillance, call routing, session initiated protocol, media call flow, packet capture analysis, Juniper IP technologies • Knowledge in one or more of following: routers, switches, crypto devices, CISCO, Juniper, video teleconferencing (VTC), voice services, EVoIP/ECVoIP, VoSIP, fly-away kits, Defense Red Switch Network (DRSN), DSN Core. Required Education & Experience: • Typically requires high school diploma or equivalent and 2 – 4 years of prior relevant experience. **Our anticipated salary range for this role is $65,000 - $75,000** GSMO If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: September 18, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $48,100.00 - $86,950.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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