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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Infrastructure Specialist - **Company:** Science Applications International Corporation - **Location:** Scott Air Force Base, IL, United States - **Experience:** Expert - **Salary:** $80,001.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Access Network, Border Gateway Protocol, Domain Name System (DNS), IPv6, IP Address Management, Virtual Private Networks (VPN), Simple Mail Transfer Protocols, McAfee VirusScan, Microsoft Office, Microsoft Visio, Network Architecture, Network Control, Network Connections, Routing, Open Shortest Path First (OSPF), Microsoft PowerPoint, Remote Access Technology, Software Engineering, Virtual Local Area Networks, Computer Network Operations, Data Storage Technologies, Hardware Infrastructure, Splunk, Cisco - **Published:** July 25, 2026 - **Apply:** https://www.juju.com/job/00000000gj64sf ## About the Role + BA/BS and 4+ years of experience in network engineering or infrastructure operations. + Active DoD Secret clearance with ability to obtain TS/SCI. + IAT Level II certification, such as: Security+, CCNA-Security, CySA+, GICSP, GSEC, CND, or SSCP. + At least one Computing Environment certification (Cisco, Splunk, McAfee, etc.). + Experience installing and maintaining DoD networks in compliance with security requirements. + Strong expertise in routing protocols (OSPF, BGP), IPv6, VPN, and global WAN environments. + Proficiency with Microsoft Office tools including Word, PowerPoint, Visio, and Excel. + Demonstrated experience producing accurate and comprehensive technical documentation. + Strong communication skills for interacting with personnel of varying technical backgrounds. ## Description *SAIC is seeking a **Senior Network Infrastructure Specialist** to support high-visibility and mission-critical network operations for the U.S. Transportation Command (USTRANSCOM). This role supports enterprise-level infrastructure within a global DoD environment and requires independent technical leadership, infrastructure design expertise, and oversight of junior staff. The successful candidate will operate with minimal supervision, lead complex tasks, and ensure secure, reliable, and resilient network operations across multiple transport mediums and global WAN environments. Key Responsibilities: + Develop strategies and design network infrastructure to meet organizational and mission objectives. + Advise leadership on technology purchases involving data storage, processing, network access, and application development. + Assess feasibility of future projects and provide expert recommendations. + Provide deep technical expertise in routing protocols (OSPF, BGP), IPv6, VPN technologies, and global WAN backbone operations. + Support secure and non-secure wireless communication infrastructure, network connectivity, and associated services. + Coordinate and execute cryptographic circuit maintenance. + Install and maintain the network transport medium (fiber, copper, wireless), including user access drops. + Perform planned upgrades and maintenance while minimizing operational disruption. + Provide DNS and SMTP support, IP address management, and VLAN configuration. + Collect, analyze, and report network availability metrics on a recurring and ad-hoc basis. + Maintain comprehensive technical documentation including, physical and logical network architecture diagrams, equipment room layouts with rack elevations Inside/outside plant specifications, & hardware configurations. + Respond to network incidents, provide after-action reporting, and support service recovery. + Adhere to established processes to ensure compliance with service level agreements. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume)