Network Engineer III
Leidos
Network Engineer III 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.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. Leidos- Network Engineer II The Digital Sector of Leidos has multiple openings in our Joint Fires Network (JFN) NOC for Network Engineer II supporting our Global Solutions Management-Operations II (GSMO-II) program at Scott AFB, IL. POSITION SUMMARY: Our customer, Defense Information...SuggestedShift workNight shift
- Network Software Engineer Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer located in the Scott AFB, IL area. The Network Software Engineer will work as part of a team to support the development...SuggestedContract work
- ...Job Description Job Description Description: CarShield is seeking an experienced Network Engineer to join its growing Infrastructure team. In this role, you will design, implement, monitor, and manage the organization's local and wide area networks, helping maintain...SuggestedWork at officeLocal area
$122k - $207k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... .... Title and Summary Manager, Site Reliability Engineering Who is Mastercard? At Mastercard technology, we work to...SuggestedFull timePart timeWorldwideFlexible hours- ...3 days a week on site after first 6 months getting up to speed on site every day. Position Summary We are seeking a seasoned Network Engineer to design, implement, optimize, and support a complex, multi-site enterprise network. This role is responsible for maintaining...Suggested2 days per week3 days per week
- ...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...potential. Title and Summary Senior Site Reliability Engineer Overview-The ProCOM team is looking for a Site Reliability Engineering...Full timePart timeImmediate startWorldwideFlexible hours
$96k - $163k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we work to...Full timePart timeWorldwideFlexible hours$96k - $163k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability Engineer,...Full timePart timeWorldwideFlexible hours$76k - $127k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...greatest potential. Title and Summary Site Reliability Engineer II Who is Mastercard? At Mastercard technology, we work to...Full timePart timeWorldwideFlexible hours$96k - $163k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...potential. Title and Summary Senior Site Reliability Engineer Overview The BizOps team is looking for a Senior Site Reliability...Full timePart timeWorldwideFlexible hoursShift work- ...Job Description Job Description Job Summary: The Senior Network Engineer – Fiber Access/PON Infrastructure is responsible for engineering and supporting i3 Broadband’s fiber access network including GPON and XGS‑PON platforms. This role focuses on the design, deployment...Work at office
- Information Systems Security Engineer Job Locations US-IL-O'Fallon ID 2026-4459 Category Defense Type Full Time Overview Amyx is seeking several Information Systems Security Engineers (ISSE) personnel to support the US Transportation Command (TRANSCOM) Senior...Full timeContract workTemporary workFor contractorsLocal areaFlexible hours
$52k - $62.4k
...Go, Bash, or similar, along with Linux/Unix systems and core networking concepts. We value familiarity with cloud platforms such as... ...products as part of our Business Operations Site Reliability Engineering team. We expect the intern to help ensure our platform...Full timeInternshipWorldwide- ...Position: Kafka Messaging & SRE Engineer Location: O'Fallon, MO (locals preferred) Duration: Long-Term Contract Are you passionate about distributed systems, high-scale messaging platforms, and automation-first operations? We're looking for...Long term contractLocal areaFlexible hours
$71k - $111k
...hands-on knowledge of Linux and Unix administration, along with networking concepts, protocols, security, and system reliability. We... ...: We work independently on site reliability engineering tasks and smaller initiatives, applying practical expertise and...Full timeFlexible hours$96k - $163k
...can thrive while offering secure and accessible digital payment solutions. We are currently searching for a Senior Site Reliability Engineer to join our Foundry BizOps team. This role is pivotal in refining our capabilities by supporting applications, services, and...Full time$122k - $207k
...value experience with monitoring tools such as Splunk and Dynatrace. We look for understanding of client-server relationships, networking concepts, stack trace analysis, logging and monitoring tools, high availability, and business continuity planning....Full timeFlexible hours$112k - $187k
...health of our platform as a Business Operations Site Reliability Engineer (SRE). ~ Support developers in producing resilient products... ...Kubernetes Security DevSecOps GitHub Matrix Network Web More: At Mastercard, we drive an inclusive digital...Full time$122k - $207k
...activities to protect customer experience. We mentor junior engineers and provide technical guidance across the team. We uphold compliance... ...Python Security Spring Architect ITSM LESS Network More: We are Mastercard, a global technology company that...Full time- ...Mastercard seeks a Vice President of Software Engineering to lead the Mastercard Send engineering organization. You will shape the strategy, architecture, delivery, and operations of the platform, guiding distributed systems and secure software initiatives at scale....
- ...Mastercard seeks a visionary Vice President of Software Engineering to lead architecture, delivery, and engineering excellence for the Mastercard Move portfolio. You will drive strategic direction, quality, and security across multi-disciplinary teams and partner with...
- ...transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help... ...Microsoft Enterprise Viva platform as a core integration engineer of the project team. Responsibilities Assists senior resources...
$122k - $207k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...greatest potential. Title and Summary Lead Software Integration Engineer (Release Management) – HR Platforms The Lead Software...Full timePart timeWorldwideFlexible hours$50.7k - $91.65k
Leidos is seeking a candidate to fill a Junior System Administration position supporting DISA's GSM-O contract at Scott AFB, IL. The System Administrator is responsible for protecting DISA’s information and information systems from unauthorized access, use, disclosure,...Contract workLocal areaImmediate startWeekend work$170k - $281k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...greatest potential. Title and Summary Principal, AI Security Engineer Job Description Summary As a Principal Information Security...Full timePart timeWorldwideFlexible hours- DevOps Engineer Visa status: U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. Tax Terms: W2, 1099 Corp-Corp or 3rd Parties: Yes Job Description: Must have hands on experience in troubleshooting the groovy scripts, CI / CD pipelines. Experience...Work experience placement
- ...Job Description Job Description Job Summary: The Senior Director of Network Engineering provides executive leadership and strategic direction for i3 Broadband's Network Engineering organization. This role is responsible for developing and executing the Company's...Contract workCasual workNight shiftAfternoon shift
$175k - $297k
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...Principal Architect partners with business leaders, product, engineering, security, and governance teams to deliver scalable, secure, resilient...Worldwide- ...and manage day to day activities.Education: Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience.Knowledge / Experience: 3 to 5 years of experience in related field. 3 to 5 years of experience in...Work experience placement
- Oracle Ebs Technical ConsultantLocation: US (O'Fallon or Remote) Skill set: Oracle i-Expense to Concur Expenses MigrationIntegration Experts:Handle all technical aspects of Concur Expenses Integration with EBS Financials.EBS technical expertClient is planning to use Boomi...Remote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Network Engineer III. Be the first to apply!
- data network cabling O Fallon, MO
- family healthcare network O Fallon, MO
- networking O Fallon, MO
- senior cloud network engineer O Fallon, MO
- IT network O Fallon, MO
- computer network O Fallon, MO
- staffing network O Fallon, MO
- learning network O Fallon, MO
- lead network engineer
- junior network engineer no experience


