Sr Network Engineer

S&S Activewear•Bolingbrook, IL

32d•$120,000 - $125,000•Hybrid

About The Position

The Senior Network Administrator designs, governs, and operates secure, resilient, and scalable WAN, LAN, and wireless services across distribution centers and offices in the U.S. and Canada. The role establishes enterprise network standards, leads modernization initiatives, and remains hands-on for critical implementations and escalations. Success requires systems thinking and expertise in routing, switching, firewalls, SD-WAN, and wireless technologies, as well as the ability to translate business, application, and security requirements into supportable network solutions. This is a full-time, exempt position with a Monday–Friday schedule and a hybrid work arrangement based at 220 Remington Blvd., Bolingbrook, Illinois. Onsite presence and travel may be required for implementations, site support, and critical incidents. The position participates in an on-call rotation and may respond to incidents outside normal business hours. Salary is $120,000–$125,000 and the role is bonus eligible.

Requirements

Bachelor’s degree in computer science, information technology, or a related field, or equivalent practical experience.
At least five years of hands-on experience supporting and designing enterprise network services in complex, multi-site environments.
Demonstrated experience delivering large-scale wired and wireless network solutions from design through implementation and operational support.
Experience designing segmented enterprise networks using VLANs, VRFs, and access control lists in alignment with least-privilege and Zero Trust principles.
Experience architecting highly available WAN and LAN environments with redundant circuits, switching, firewalls, diverse paths, and tested failover processes.
Strong working knowledge of BGP, OSPF, TCP/IP, DHCP, VPN, RADIUS, routing policy, and quality of service.
Deep understanding of wireless networking fundamentals, RF analysis, authentication, roaming, capacity, and interference management.
Proficiency with network monitoring, telemetry, logging, and diagnostic tools.
Ability to use capacity, performance, and operational data to justify upgrades, prevent bottlenecks, and improve service reliability.
Ability to create clear high-level and low-level designs, standards, configuration templates, implementation plans, test plans, and runbooks suitable for enterprise change control.
Ability to lead technical design reviews, manage change, independently prioritize competing operational and project demands, and communicate effectively with technical and nontechnical stakeholders.
Ability to lift up to 50 pounds and perform installation or support tasks while standing for extended periods.

Nice To Haves

Relevant certifications such as Palo Alto Networks PCNSA, CWNA, Aruba ACMP, CompTIA Security+, or an equivalent credential.
Working knowledge of Palo Alto firewalls and Panorama.
Strong working knowledge of wireless technologies.
Practical experience implementing and maintaining wireless networks within a low-latency warehouse setting.
Experience with Ekahau.
Experience working with HP Aruba Central.
Familiarity with AWS networking and identity platforms such as Microsoft Entra ID and Active Directory.
Experience with infrastructure-as-code tools and practices, such as Terraform, and with automating repeatable network operations.

Responsibilities

Own enterprise architecture and standards for addressing, segmentation, routing, quality of service, secure access, and network modernization across distribution centers and offices.
Create and maintain LAN, WAN, WLAN, VPN, firewall, and SD-WAN reference architectures and standard configurations for new sites, expansions, and technology refreshes.
Define segmentation strategies using VLANs, VRFs, access control lists, and microsegmentation where appropriate for corporate, warehouse/operational technology, guest, and IoT networks.
Develop wireless architecture standards for SSID design, authentication, roaming, channel planning, coverage, and interference management.
Partner with application, infrastructure, and security teams to translate business and technical requirements into scalable network designs.
Design resilient, highly available network services using redundant circuits, diverse paths, redundant switching and firewall platforms, and tested failover capabilities.
Establish network observability through monitoring, alerting, logging, telemetry, and operational automation to improve availability and reduce mean time to resolution.
Lead capacity planning and lifecycle roadmapping for circuits, switching, wireless density, and firewall throughput; use forecasts and performance data to prioritize upgrades.
Perform RF assessments and site validations to improve wireless coverage, roaming, capacity, and interference management.
Install, configure, upgrade, and support routers, firewalls, switches, wireless access points, VPN tunnels, and SD-WAN infrastructure.
Lead troubleshooting and resolution of complex connectivity, performance, and availability issues affecting distribution centers, offices, and employees.
Manage WAN circuits and carrier relationships, including ordering, turn-up, incident escalation, and service-performance follow-up.
Validate resiliency, security, and performance through structured implementation and failover testing.
Produce and maintain high-level and low-level designs, network diagrams, standards, configuration templates, inventories, operating procedures, implementation plans, and post-change validation steps.
Lead technical design reviews and peer reviews before deployment.
Independently deliver network projects from planning through implementation, coordinating milestones, risks, dependencies, and stakeholder communication.
Collaborate with IT and business stakeholders on cross-functional initiatives with network deliverables.
Participate in an on-call rotation and respond to critical incidents outside normal business hours.
Travel or work onsite as needed to support implementations, site activities, and incident response.