Network Engineer I
Leidos
Network Engineer I The Digital Sector of Leidos has multiple openings in our Joint Fires Network (JFN) NOC for a Network Engineer I 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 less than 2+ 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. General 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. Leidos- ...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 secure, reliable connectivity...SuggestedWork at officeLocal area
- 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...SuggestedShift workNight shift
- ...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
$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$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,...SuggestedFull 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 The BizOps team at Mastercard is looking for a Site...Full timePart timeWorldwideFlexible hoursEarly shift- 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
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...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$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 Who is Mastercard? At Mastercard technology, we work to...Full timePart timeWorldwideFlexible hours$25 - $30 per hour
...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that... ...potential. Title and Summary Site Reliability Engineering Intern, Summer 2027 – St. Louis, MO, US Why join Mastercard...Full timePart timeSummer workInternshipWorldwideFlexible hours- Mastercard seeks a Manager, Site Reliability Engineering to lead a team ensuring secure, scalable, and highly available platforms. You will design and implement SRE best practices, build automation for deployment and operations, and drive observability across complex cloud...
- ...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...
- Mastercard is seeking a Site Reliability Engineer II to enhance the reliability, scalability, and performance of critical IT systems. In this role, you will design and implement robust monitoring, automation, and incident response processes to support innovative, user‑...
$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- As a Senior Site Reliability Engineer at Mastercard, you’ll drive the performance, reliability, and scalability of mission-critical, cloud-native payment platforms. You will design and implement robust monitoring, alerting, and observability solutions, automate infrastructure...
- Mastercard seeks a Senior Site Reliability Engineer in Financial Services within the IT & Data Management team. You’ll design, build, and optimize resilient, secure, and scalable platforms that power global payments. Partner with software and data teams to improve reliability...
$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- Mastercard is seeking a Senior Site Reliability Engineer to enhance reliability, scalability, and performance of our critical IT & Data Management platforms. You will design resilient architectures, automate deployments, and champion observability to ensure always-on services...
- ...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
- As a Site Reliability Engineering Intern at Mastercard, you will support the design, monitoring, and operation of large-scale, cloud-based systems that power secure, global payments. Working alongside experienced SREs and software engineers, you’ll help maintain production...Internship
$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- ...Job Description Job Description Job Summary: The Senior Network Engineer – Core/IP Infrastructure is responsible for designing, implementing, and operating i3 Broadband’s carrier‑grade IP backbone and aggregation network. This role ensures the scalability, resiliency...Work at office
$152k - $258k
...Director, Platform Engineering Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together... ...and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that...Full timePart timeWorldwideFlexible hours$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 is seeking a Lead Site Reliability Engineer to drive the reliability, scalability, and performance of mission-critical financial services platforms. In this role, you will design and implement resilient cloud-native architectures, build and refine CI/CD pipelines...
$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- Mastercard is seeking a Lead Site Reliability Engineer to drive reliability, scalability, and security for mission-critical financial services platforms. You will design and optimize cloud-native, highly available systems, implement SRE best practices, and lead incident...
- ...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...Work experience placement
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