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 SUMMARY:
Our 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.
BASIC QUALIFICATIONS:
- 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.
PREFERRED QUALIFICATIONS:
- Tech control facility or cyber transport experience
- Circuit actions and vendor experience
- IP/Transport architecture 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.
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:June 18, 2026For 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.
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.
Skills Required
- Bachelor's degree or equivalent combination of education and/or experience with 4+ years prior relevant experience.
- Active DoD Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility.
- DoD-8570 IAT Level 2 baseline certification (Security+ CE or equivalent) prior to start date.
- Ability to work in a 24x7 shift work environment.
- Deep understanding of both Transport and IP network topologies.
- Knowledge of routers, switches, crypto devices, Cisco, Juniper, MSPP, optical transport, MPLS, TDM, SDH/SONET.
- Tech control facility or cyber transport experience.
- Circuit actions and vendor experience.
- IP/Transport architecture experience.
- SolarWinds and JIRA experience.
- Telco NOC, inside or outside plant experience.
- Experience with MS Office suite (Outlook, Excel, Word, Access, PowerPoint, Teams).
- Experience with alarm surveillance, fault management, LAN maintenance, performance management, change management.
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
