> Markdown version of [/jobs/ext/3635010-principal-network-engineer](https://www.wearedevelopers.com/jobs/ext/3635010-principal-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Network Engineer - **Company:** Science Applications International Corporation - **Location:** Hill Air Force Base, UT, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Active Directory, Cisco IOS, Networking Hardware, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Network Troubleshooting, Network Segmentation, Windows PowerShell, Ansible, Zero Trust Network Access, Wide Area Networks, Network Routers, Scripting, Computer Networking Systems, Load Balancing, Nx-os, Firewalls (Computer Science), Juniper, Performance Monitor - **Published:** October 8, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9224240/principal-network-engineer ## About the Role * Bachelor's degree with 9+ years relevant work experience or a master's degree with 7+ years relevant work experience. * U.S. Citizenship with Active final Top Secret clearance required on date of hire and must meet DoD 8570.01-M IAT Level II or higher certification requirements (e.g., Security+, CCNA, CASP+, CISSP). * Demonstrated professional experience in networking with a history of leading large-scale projects or programs, preferably in defense or aerospace. * Experience designing and implementing secure network architectures and utilizing DISA STIG process to access and document compliance. * Ability to troubleshoot and resolve daily support tickets, including end-user support via phone, email, and remote control. Desired Skills * Configure and install network devices and services such as routers, switches, firewalls, load balancers, VPN and QoS. * Monitor performance of networking systems to ensure availability and reliability. * Provide Level 2-3 support and troubleshooting networking issues. ## Description SAIC is seeking a Network Engineer/COMSEC Custodian to work on our Information Services team. This role centers around ensuring confidentiality, integrity, and availability of classified information systems and networks supporting a critical defense program at Hill AFB, Utah. The selected candidate will serve as a Network Administrator, partnering closely with the mission stakeholders to engineer and maintain compliant secure network architectures., * Administer, Configure, and optimize enterprise-grade routing and switching platforms (e.g., Cisco IOS/NX-OS, Juniper, Arista). * Implement and Manage: Firewalls, VPN solutions, Network Segmentation, Zero Trust Security and Maintain directory services (Active Directory). * Design, document, and maintain LAN/WAN architectures, including redundancy, load balancing, and failover strategies. * Interpret and apply government security frameworks such as RMF, ACAS, HBSS/Trellix, and IAVM bulletins. * Automate network tasks through scripting (PowerShell, Python, Ansible) and demonstrate proficiency performing root cause analysis, troubleshooting, and integration.