> Markdown version of [/jobs/ext/1485330-senior-network-architect](https://www.wearedevelopers.com/jobs/ext/1485330-senior-network-architect). 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). --- # Senior Network Architect - **Company:** Sargent & Lundy - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $97,864.0 - $149,514.0 - **Contract:** Permanent contract - **Skills:** Wireless LAN, Application Programming Interfaces (APIs), Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Cloud Computing Security, Cloud Engineering, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, Failover, Hot Standby Router Protocol, Virtual Private Networks (VPN), Multi-protocol Systems, Local Area Networks, Network Security, Open Shortest Path First (OSPF), Runbook, Security Assertion Markup Language (SAML), Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, Wi-Fi Technology, Load Balancing, TACACS+ Protocol, Open Network Automation Platform, Cisco - **Published:** July 29, 2026 - **Apply:** https://dejobs.org/x/x/A41ACA89949A4BDBBA99BCF818BE4465/job/ ## About the Role * Bachelor's degree in CS/IT/Network Engineering or equivalent experience. * 10+ years enterprise networking, 5+ years in senior/architecture roles. * Comprehensive Cisco/Meraki experience (campus, Wi-Fi, WAN, VPN, and NAC). * Extensive Palo Alto NGFW and security policy design. * Proven route/switch expertise in complex multi-site environments. * Hands-on with DNS, DHCP, VPN, cert management, and auth protocols. * Experience with Load balancers, WAF, MPLS/WAN, and cloud networking. * Clear and concise documentation and ability to explain complex designs. Preferred Certifications * Experience with network automation/assurance (Prime, DNA-C, Meraki API, etc.) and SASE/SD-WAN (Zscaler). * Certifications such as CCNP/CCIE, F5, Azure, or security. * Strong ownership, communication, troubleshooting, leadership/mentoring abilities. We do not sponsor employees for work authorization in the U.S. for this position. ## Description TheSenior Network Architectwill be responsible for the strategy, design, and roadmap of Sargent & Lundy's enterprise network and connectivity services across data centers, colocation, cloud (Azure), WAN, campus/LAN, wireless, and security services. This role focuses on delivering highly available, redundant, and secure network solutions built primarily on a Cisco and Meraki technology stack and integrated with modern cloud-native architectures. The ideal candidate will have deep technical expertise, strong design and troubleshooting skills, and the ability to collaborate effectively across infrastructure, security, and application teams., * Lead and evolve end-to-end enterprise network architecture (data centers, corporate office, SD-WAN, branch LAN/WLAN, Internet edge) with a focus on redundancy, failover, and availability. * Design and operate Cisco/Catalyst/Meraki networks and core routing/switching (VLANs, VRFs, STP, HSRP/VRRP, BGP, OSPF/EIGRP). * Own Azure and cloud networking (vNets, hybrid connectivity, secure Internet access, cloud security/identity) plus DNS/DHCP/IPAM standards and automation. * Lead Palo Alto NGFW and Zscaler/GlobalProtect architecture and support, including VPN (remote and site-to-site), certificates, and auth (RADIUS, TACACS+, SAML/SSO, EAP). * Design and support load balancing and WAF (Imperva or cloud WAF) for secure, resilient application delivery. * Work with carriers on MPLS/WAN (installs, QoS, resiliency, and routing policies). * Define and maintain network standards, baselines, and patterns across LAN/WAN/data center/cloud/security. * Provide tier-3 escalation, maintain HLD/LLD, runbooks, diagrams, and drive adoption of new security/cloud/distributed networking technologies. * Mentor engineers on design, security, documentation, and automation best practices. This position offers the flexibility of a hybrid schedule with the expectation of 3 days per week in our downtown Chicago office, and 2 days remote from home and requires some travel for site work. ## 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) - [Technical Documentation - How Can I Write Them Better and Why Should I Care?](https://www.wearedevelopers.com/videos/681-technical-documentation-how-can-i-write-them-better-and-why-should-i-care) - [System Resilience: Surviving the Software Storm](https://www.wearedevelopers.com/videos/874-system-resilience-surviving-the-software-storm) - [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) - [Bridging AI and Nomad: a Go-based MCP Server for Cluster Control](https://www.wearedevelopers.com/videos/2063-bridging-ai-and-nomad-a-go-based-mcp-server-for-cluster-control) ## Related Articles - [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) - [What Makes WeAreDevelopers World Congress Different From Every Other Tech Event?](https://www.wearedevelopers.com/magazine/701-what-makes-wearedevelopers-world-congress-different-from-every-other-tech-event) - [Events like RSAC Get You CISOs. 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