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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** Science Applications International Corporation - **Location:** Arlington, VA, United States (Remote available) - **Experience:** Expert - **Salary:** $120,001.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Wireless LAN, Amazon Web Services, Microsoft Azure, Border Gateway Protocol, VoIP, Cisco Unified Communications Manager, Cisco Routers, Cloud Computing, Cloud Computing Security, Data Centers, Information Leak Prevention, Disaster Recovery, Enhanced Interior Gateway Routing Protocol, Virtual Private Networks (VPN), Multi-protocol Systems, Network Security, NetFlow, Network Diagrams, Network Planning and Design, Network Segmentation, Network Service, Cisco Nexus Switches, Open Shortest Path First (OSPF), Zero Trust Network Access, Simple Network Management Protocols, Virtual Switching, Software Vulnerability Management, Wide Area Networks, Backup and Restore, Wireless Networks, Identity Services Engine, Network Access Control, Mobileiron, Workspace ONE, Data Center Networking, Microsoft InTune, SC Clearance, SolarWinds (Software), Performance Monitor, Survivable Remote Site Telephony, Restful APIs, Cisco Switches, Cisco, Vmware - **Published:** August 16, 2026 - **Apply:** https://www.dice.com/job-detail/4beb9d72-f3c4-404f-94f3-850645b08cd7 ## About the Role Required Experience / Skills / Attributes * Education: Bachelor's degree in an IT-related field. * Experience: Minimum of 4+ years of hands-on experience with Cisco routers, switches, and deep expertise in LAN/WAN/WLAN facilities and protocols. * Clearance & Citizenship: Active Secret clearance or above (USMS suitability requires U.S. Citizenship). Required Certifications * Cisco Certified Network Professional (CCNP) Enterprise (or equivalent) Preferred Certifications * Cisco CCIE or Cisco Certified Specialist designations * CISSP * AWS Solutions Architect Associate or Microsoft Azure Network Engineer Associate * ITIL Foundation ## Description The Senior Network Engineer serves as a technical leader responsible for design, implementation, operation, security, optimization, and lifecycle management of the enterprise network infrastructure. The candidate will engineer the secure network boundaries, access controls, and transport layers required to safely integrate the agency's enterprise Mobile Device Management (MDM) endpoints (iOS/Android devices). Additionally, the candidate will * Lead network design, project planning, budget estimations, lifecycle management, and migration/rollback strategies from planning through implementation. * Install, configure, optimize, and maintain Cisco routers, switches, Voice/Video over IP (VoIP), Data Center, and Cisco Wireless networks using advanced protocols (BGP, OSPF, EIGRP, MPLS, VRF) and secure cloud network services * Support enterprise unified communications infrastructure using Cisco CUCM, Unity Connection, SIP, CUBE, SRST, and VoIP QoS. * Design and support data center networking solutions (Cisco Nexus, VXLAN, ACI, Virtual Switching, UCS) and bridge hardware to government cloud environments (AWS GovCloud / Azure Government). * Architect secure network zones, gateways, and access controls to safely support traffic flow from enterprise Mobile Device Management (MDM) platforms (Microsoft Intune, VMware Workspace ONE, or MobileIron) into internal law enforcement networks. * Configure and maintain Cisco Identity Services Engine (ISE), 802.1X, and Network Access Control (NAC) platforms to regulate enterprise perimeter access for mobile assets and field tech. * Implement cybersecurity best practices, network segmentation, Layer 2 security, and Data Loss Prevention (DLP) controls in strict compliance with STIG, NIST 800-53, RMF, and Zero Trust Architecture directives. * Engineer and troubleshoot secure site-to-site VPNs, TLS protocols, TACLANEs, and encrypted transport layers for field agents. * Support vulnerability remediation efforts, security audits, and implement proactive monitoring/automation strategies utilizing SolarWinds, Cisco Catalyst Center (DNAC), SNMP, NetFlow, and REST APIs. * Create and maintain 100% current network diagrams, topology mapping, SOPs, engineering standards, and change methodologies. * Perform as a critical resource, technical liaison, and trusted advisor to customers, management, and external stakeholders regarding network capabilities, translating technical concepts into business language. * Lead incident response, root cause analysis, backup systems, and disaster recovery planning/testing to maintain strict SLA uptimes. * Provide technical guidance and conduct peer configuration reviews for junior engineers to promote engineering excellence and conduct quarterly knowledge-sharing sessions. ## 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) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [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) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) ## 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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Top Must-Visit Developer Conferences in the US in 2026](https://www.wearedevelopers.com/magazine/679-top-must-visit-developer-conferences-in-the-us-in-2026) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence)