Network Operations Center (NOC) Technician III

Leidos Inc; Shiloh (IL); On-site; USD 48,000 - 87,000; Full time

Job summary

Leidos invites applications for a Network Operations Center Technician III at Scott AFB, IL. You will monitor DISN services, manage incidents, and coordinate fault correction across multiple tools on a 24/7 basis. A DoD-8570 IAT Level 2 baseline is required, with active security clearance eligibility.

The role emphasizes incident analysis, fault isolation, and 24/7 sustainment support, working with O&M leadership to keep services operating and aligned with DISN SLAs.

Qualifications

• DoD-8570 IAT Level 2 baseline certification required at start date.
• Ability to work in a 24/7 operation.
• Experience with alarm surveillance, fault management, LAN maintenance, performance management.
• Expertise in routers, switches, crypto devices, DSN/DRSN, Video Services, and related Cisco/Juniper gear.
• Active security clearance: Secret at least, with potential Top Secret
• Strong analytical and fault isolation skills.

Responsibilities

• Create and update tickets using Remedy.
• Monitor network events 24x7x365 across multiple tools.
• Analyze alarms and identify root causes, coordinating corrections.
• Provide global situational awareness to customers.
• Restore service and coordinate with providers to meet SLAs.
• Conduct reroutes and maintain CMDB documentation.
• Escalate incidents with proper communications and updates.
• Train Network controllers and share O&M procedures.

Skills

Routers

Switches

Crypto devices

Routing

DSN/DRSN

Video Services

Promina

Cisco

Juniper

MSPP

DWDM

Optical Switching

Security+ CE

Active Top Secret clearance

Remedy

Education

High school diploma

Tools

Remedy

CMDB

MS Office (Outlook, Excel, Word, Access, PowerPoint, Teams)

Job description

Description

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).

The Leidos Digital Modernization Sector and Global Solutions Management-Operations II (GSMO-II) have an opening in our TRANSPORT / IP (TRIP) NOC for Network Operations Center (NOC) Technician III at Scott AFB, IL.

Primary Responsibilities:

• Create and update tickets utilizing Remedy.
• Monitor network events and element management failures in real-time on a 24x7x365 basis across multiple monitoring tools.
• Incident Correlation and Fault Analysis:
  • Proactively analyze alarms
  • Provide detailed analyses leading to resolution of the alarm conditions, including filtering and correlating fault information
  • Identifying the fault condition and its impacts
  • Isolating root causes
  • Coordinating correction of fault situations regardless of the fault in the infrastructure
• Notify necessary points of contacts based on essential or heightened awareness networks, circuits or location of incidents
• Incident Analysis (Fault Isolation):
  • Support the fault isolation process
  • Diagnoses and troubleshoot utilizing procedures to isolate where the fault occurs
  • Identify failed network element(s) i.e. systems, hardware, software, circuits, or facilities.
  • Activities include: testing, fault troubleshooting, fault localization, fault logging and assignment
• Support all customers to include providing global situational awareness support.
• Fault Correction:
  • Correct/replace faulty network elements, coordinating with other service providers as necessary.
• Verify that service has been restored upon resolution of all customer-initiated tickets
• Network/Service Restoration:
  • Restore networks and service to full operation
  • Coordinate with other service providers as necessary to track service restoration and meet the DISN SLA and customer negotiated SLAs.
  • Identify failures that are attributable to a different causes and impacts
  • Conduct reroute and normalization of services and circuits due to outages, degradation, or Authorized Service Interruptions (ASIs).
  • Reroute routine circuits within 24 hours of notification
  • Documenting reroute in the configuration management database (CMDB).
  • Provide updates on outages from technicians and/or government incident tickets until a resolution or path to resolution is identified and documented in ticket.
• Provide 24/7/365 sustainment support for outages, degradation of services and Tier 1/Tier 2 support
• Provide timely situational awareness to leadership and the impacted community within discovery and ticket creation using approved communication methods as outlined
• Works directly with Shift lead and O&M leadership for guidance
• Incident Escalation:
  • Fault escalation, customer coordination and communications, and ticket system updates and status reporting utilizing procedures between Tier I and Tier II.
• Record, assess, track, and monitor incident tickets escalated to operational infrastructure.
• Demonstrated knowledge of training, standard operating procedures, and tools within O&M
• Evaluates and provides feedback for training, standard operating procedures, and tools.
• Assist in training Network controllers within O&M
• Effectively communicates with the O&M team and the customer.
• Provide technical advice and insight to peers and customers to assist in resolution of complex issues.
• Demonstrate proficiency of several functions within the DISN: routers, switches, crypto devices, routing, DSN/DRSN, Video Services, Promina, CISCO, Juniper, MSPP, DWDM, Optical Switching, etc.

Basic Qualifications:

• Must have DoD-8570 IAT Level 2 baseline certification (Security+ CE, or equivalent) at start date.
• Ability to work in a 24/7 operation.
• Experience with one or more of the following: alarm surveillance, fault management, LAN maintenance, performance management.
• Expertise in three or more of the following: routers, switches, crypto devices, routing, DSN/DRSN, Video Services, Promina, CISCO, Juniper, MSPP, DWDM, Optical Switching.
• General understanding of network topologies, both transport and IP.
• Currently possess an active Secret security clearance and be able to obtain and maintain a Top-Secret security clearance.

Preferred Qualifications:

• Tech control facility or cyber transport experience
• Circuit actions and vendor experience
• IP architecture 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.
• any additional certifications to include: CCNA, CYSA+, CASP, CCNP, JNCIE-ENT, JNCIA-Junos, WCNA, CCIE, F5 Networks Certified Technical Specialist, ITILv4, CCA-N, CCA-V, SolarWinds Certified Professional Program

Required Education and Experience:

• High school and 2-4 years of experience.

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:

August 12, 2026

Pay Range:

Pay Range $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www