Senior Network Architect

Sargent & LundyChicago, IL
$97,864 - $149,514Hybrid

About The Position

The Senior Network Architect will 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.

Requirements

  • 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.

Nice To Haves

  • 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.

Responsibilities

  • 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.

Benefits

  • Medical, Dental, Vision
  • Life & Accident Insurance
  • Disability Coverage
  • Employee Assistance Program (EAP)
  • Back-Up Daycare
  • FSA & HSA
  • 401(k)
  • Pre-Tax Commuter Account
  • Merit Scholarship Program
  • Employee Discount Program
  • Corporate Charitable Giving Program
  • Tuition Assistance
  • First Professional Licensure Bonus
  • Employee Referral Bonus
  • Paid Annual Personal/Sick Time (PST)
  • Paid Vacation
  • Paid Holidays
  • Paid Parental Leave
  • Paid Bereavement Leave
  • Flexible Work Arrangements
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