Senior Network & Security Architect

Parts Town • Addison, IL

6d • Hybrid

About The Position

See What We’re All About As the fastest growing distributor of foodservice equipment parts, we like to approach things a little differently. At Parts Town, we believe our team should feel like family—not the distant kind, but the family you choose to spend time with every day. Living our core values and keeping safety as our #1 priority are essential. Beyond that, we’re looking for people who bring enthusiasm, integrity, and the courage to embrace change. A good sense of humor doesn’t hurt either—it might even earn you bonus points. Don’t have a genius level knowledge of foodservice equipment parts? No problem. We value passion, fresh perspectives, and diverse backgrounds. That’s how we continue to innovate and stay ahead. We’re proud to be recognized on the Inc. 5000 list for 15 consecutive years , the Crain’s Fast 50 list ten times , and as a Chicago Tribune Top Workplace from 2020 to 2025 —as voted by our Chicagoland team members. If you’re ready to roll up your sleeves, go above and beyond, and have some fun along the way, we’d love to meet you. Apply today!

The Job at a Glance Our Senior Network & Security Architect is responsible for maintaining exceptional network security while ensuring voice and data traffic flows seamlessly and efficiently. This role evaluates, designs, and implements new technologies to keep our network infrastructure modern and resilient. The Network Architect also supports wireless, LAN/WAN, and telecommunications networks across the organization. The role owns the strategy, design, and governance of our enterprise network and security architecture across all divisions. This role ensures high availability, resilience, modern Zero Trust alignment, and strong cloud connectivity. The architect provides internal expertise while establishing a new partnership with MSPs for 24×7 operations.

A Typical Day Work on new and evolving network technology projects Collaborate with team members on challenges and project initiatives Design and innovate technical solutions with internal teams and external partners Partner directly with multiple telecommunications and network service providers Document network designs, process updates, and security related policies

Requirements

• 7–10+ years in enterprise network/security engineering or architecture roles.
• Passion for designing and implementing highly available network infrastructure
• Ability to manage multiple priorities, projects, and initiatives effectively
• Strong attention to detail—if it’s worth doing, it’s worth doing right
• Collaborative mindset with enthusiasm for sharing ideas and new concepts
• Deep expertise with Palo Alto Networks, Panorama, Palo Alto NGFWs, Prisma, Cisco WLCs, Cisco IOS/NX ‑ OS, SD ‑ WAN, and ISE
• Strong experience with Cisco switching (Catalyst 9K, VLANs/STP, redundancy, routing boundaries).
• Experience designing high-availability architectures (dual core, redundant firewalls, WAN failover).
• Solid understanding of Zero Trust, micro-segmentation, and NAC principles.
• Experience with Azure/GCP cloud networking (VPC/ VNet , VPN, interconnect, routing).
• Experience governing or working with MSPs for operations and monitoring.
• Strong troubleshooting skills across LAN, WAN, VPN, firewall, and cloud network infrastructure.
• Working knowledge of network ‑ related software and protocols, including DNS, Umbrella, Wireshark, Ekahau , and Dynatrace
• Hands ‑ on troubleshooting experience with Cisco Nexus, Catalyst, and Routers; Palo Alto Firewalls; A10 Load Balancers; TCP/IP; BGP/OSPF
• Enjoyment of large-scale switching and firewall deployments, site turnups, travel, end-to-end packet troubleshooting, NetFlow analysis
• Bachelor's degree in computer science or a related field (or equivalent experience) preferred
• Excellent communication skills with fluency in English (written and verbal)

Responsibilities

• Architecture & Strategy Lead enterprise network and security architecture across HQ, DCs, offices, branches, and cloud environments.
• Own Palo Alto firewall architecture (Panorama, HA design, segmentation, GlobalProtect /Prisma).
• Design and govern Cisco switching (Catalyst 9K, VLANs, STP, routing boundaries, redundancy).
• Define modern Zero Trust segmentation for users, devices, servers, OT/IoT, and cloud workloads.
• Architect resilient WAN and SD-WAN strategies, including carrier diversity and automated failover.
• Governance & Change Control Establish standards, reference architectures, and guardrails for network and firewall configurations.
• Approve high-impact changes: firewall rules, NAT, routing, segmentation, VPN, and connectivity patterns.
• Ensure consistent management and alignment across MSPs and internal teams.
• Lead RCA and post-incident improvements for network and firewall issues.
• Cloud Networking Design secure connectivity patterns for GCP and Azure (VPC/ VNet design, routing, IPsec/Interconnect).
• Develop hybrid cloud network architecture integrating on-prem, cloud, and security services.
• Ensure cloud firewalling, segmentation, and routing policies align with enterprise patterns.
• Operational Oversight Oversee MSP-operated NOC, firewall operations, monitoring, and 24×7 support.
• Ensure firewall firmware, signatures, and stability upgrades follow best practice.
• Govern performance and observability tools, including Dynatrace , Panorama, and Prisma logs.
• Lead regular HA failover drills, resilience testing, and site-level health assessments.
• Security Alignment Partner with Security, SOC, and IAM teams to enforce Zero Trust, segmentation, and identity-driven policies.
• Ensure firewall logs, traffic patterns, and events to integrate cleanly into SIEM and monitoring systems.
• Support vulnerability management, network ACL hardening, and compliance audits.
• Project Leadership Support new warehouse builds, DC expansions, office moves, and critical system launches (SAP/WMS/eCommerce).
• Lead network architecture for mergers & acquisitions and integration of new sites.
• Provide architectural input for modernization of roadmaps, lifecycle planning, and infrastructure investments.

Benefits

• Parts Town Pride – check out our virtual tour and culture!
• Quarterly profit-sharing bonus
• Hybrid work schedule
• Team member appreciation events and recognition programs
• Volunteer opportunities
• Monthly IT stipend
• Casual dress code
• OnDemand pay options – Access your earnings as you earn them
• Comprehensive benefits package , including health insurance, 401(k) with match, employee assistance programs, and paid time away

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 5,001-10,000 employees