> Markdown version of [/jobs/ext/575171-sr-it-ot-network-architect-sd-wan-micro-segmentation](https://www.wearedevelopers.com/jobs/ext/575171-sr-it-ot-network-architect-sd-wan-micro-segmentation). 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). --- # Sr. IT/OT Network Architect - SD-WAN, micro-segmentation - **Company:** Syncreon - **Location:** Prince William County, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Network Operating System (NOS), Computer Networks, Ethernet, Fault Tolerance, Supervisory Control and Data Acquisition (SCADA), Network Security, Modbus, Network Architecture, Network Monitoring, Routing, Network Segmentation, Network Administration, OLE for Process Control, SAP Sales and Distribution, Wide Area Networks, Wireless Networks, Process Control Systems, Firewall Services Module, Cisco - **Published:** June 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=1441c9cdaf8c7edc ## About the Role Certification in related fields (CCNA, CCNP) required. Security and Cisco Certified Internetwork Expert (CCIE), and experience in Extreme network switches is a plus. 10+ years of experience in network design and architecture, preferably in OT environments. Experience with industrial protocols (e.g., Modbus, DNP3, OPC, Ethernet/IP). Familiarity with IT/OT convergence principles. Minimum Technical Expertise: * Knowledge of design, configuration, installation, testing, and maintenance of local and wide area computer wired and wireless networks (Cisco Systems preferred). * Knowledge of computer network characteristics, network operating system software, and network components * Troubleshooting skills and the ability to diagnose/resolve network system problems. * Ability to interpret and apply complex technical manuals and reference materials. * Ability to assist with developing network security and related procedures; and performing network management activities. Prefer: Strong understanding of networking concepts, including routing, switching, and firewall configurations. Prefer: Proficiency in network monitoring and management tools. Prefer: Knowledge of cybersecurity best practices for OT networks. Prefer: Experience with industrial control systems (ICS) and SCADA systems. Architecture & Design * Design and implement a segmented OT network architecture transitioning from flat Layer 2 networks to SD-WAN-enabled, zone-based architectures. * Define network segmentation strategy (ISA/IEC 62443 zones and conduits model) to isolate critical OT assets and control east-west traffic. * Engineer ring and/or resilient topologies across substations and core OT sites to ensure deterministic communication and fault tolerance. ## 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) - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [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) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)