AISR NOC Technician III

Leidos; Illinois; On-site; USD 48,000 - 87,000; Full time

Job summary

Leidos is seeking a Network Technician at Scott AFB, IL to support DISA-provided DISN services in a 24/7 environment. The role involves fault isolation, incident analysis, ticket management, and coordination with multiple service providers to restore networks and services.

Responsibilities include monitoring, fault analysis, and escalation in a Tiered NOC setting, with technical proficiency across routers, switches, and DSN components. A DoD background and IAT Level 2 certification are required.

Qualifications

• Active Secret clearance required and ability to obtain Top-Secret.
• High school diploma and 2-4 years of experience.
• DoD-8570 IAT Level 2 certification (Security+ CE or equivalent) at start date.
• Ability to work in a 24/7 operation.
• Experience with alarm surveillance, fault management, LAN maintenance, or performance management.
• Advanced knowledge in routers, switches, crypto devices, routing, DSN/DRSN, Video Services, CISCO, Juniper, MSPP, DWDM, Optical Switching.
• General understanding of network topologies, transport and IP.

Responsibilities

• Create and update tickets and manage ticket queue.
• Triage and manage tickets across technologies; provide feedback for tickets of concern.
• Monitor network events and element management in real-time 24/7 across multiple tools.
• Conduct fault analysis and correlation to drive incident resolution.
• Identify root causes, isolate faults, and coordinate corrections with stakeholders.
• Maintain a centralized known error database for defects and workarounds.

Skills

Alarm surveillance

Fault management

LAN maintenance

Performance management

Routers

Switches

Crypto devices

Routing

DSN/DRSN

Video Services

Promina

CISCO

Juniper

MSPP

DWDM

Optical Switching

DoD-8570 IAT Level 2

Education

High school diploma or equivalent

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 24x& DISA Global Operations Center (DGOC).

The Leidos Digital Modernization Sector and Global Solutions Management-Operations II (GSMO-II) have an opening in our Airborne, Intelligence, Surveillance and Reconnaissance (AISR) Operations Support Cell for a Network Technician at Scott AFB, IL.

Primary Responsibilities

Responsible for assisting with the following duties:

• Create and update tickets.
• Independently triages and manages ticket queue in respective technology, and provides feedback and guidance for tickets of concern
• 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.
• Assist in developing and maintaining a centralized, known error database containing defects, failures, causes, and repair actions including workarounds taken to resolve these failures in support of incident and problem resolution.
• Notify necessary points of contacts based on essential or heightened awareness networks, circuits or location 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 leadership to evaluate and provide feedback for training, standard operating procedures, and tools capabilities.
• 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.
• Demonstrate knowledge of training, standard operating procedures, and tools within O&M.
• Evaluates and provides feedback for training, standard operating procedures, and tools.
• Assist in monitoring training Network controllers within O&M.
• Assist in training junior-level Network controllers within O&M.
• Effectively communicates with the O&M team, the customer and outside leadership to obtain or provide information on significant events or changes within the DISN.
• Provide technical advice and insight to peers, leadership, other NOCs within O&M, and customers to assist in resolution of complex issues.
• Demonstrates comprehensive understanding of and ability to apply principles, theories, and concepts of networking and has a broad understanding of other related specialty areas.
• Provide advanced level technical support of the DISN customer.
• Independently works on projects or assignments for future operations within O&M and impacting the DISN
• Resolve multi-layer complex issues that cross several NOC or domain within O&M
• Demonstrate extensive proficiency in specialized functions within the DISN: routers, switches, crypto devices, routing, DSN/DRSN, Video Services, Promina, CISCO, Juniper, MSPP, DWDM, Optical Switching, etc.

Basic Qualifications

• Currently possess an active Secret security clearance and be able to obtain and maintain a Top-Secret security clearance.
• High school and 2-4 years of experience.
• 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.
• Advanced Knowledge in four 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.

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:

August 12, 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 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.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.