Senior Network Engineer in Mundelein

Energy Jobline ZR; Mundelein (IL); Hybrid; USD 110,000 - 125,000; Full time

Job summary

2nd Adventure in Grinnell, IA is seeking a Senior Network Engineer to take technical ownership of our enterprise network, security, and telecommunications infrastructure. In this senior-level, hands-on role, you'll design and improve systems across on-premises and cloud environments, lead infrastructure initiatives, and solve complex challenges to keep our business connected and secure.

You will lead infrastructure initiatives, implement upgrades, and coordinate with vendors while ensuring

Qualifications

• Bachelor's degree in a related technical field or equivalent experience.
• 7+ years of enterprise network engineering or administration experience.
• Extensive hands-on experience with Palo Alto Networks firewalls.
• Strong experience with Microsoft Azure networking and hybrid cloud connectivity.
• Strong hands-on enterprise switching experience, design, config, and troubleshooting.
• Experience supporting Microsoft Teams Calling and enterprise contact center technologies.

Responsibilities

• Own enterprise networking: design, administer, and optimize LAN/WAN, routing, switching, and connectivity infrastructure.
• Manage network security: configure and support Palo Alto firewalls, VPNs, security policies, segmentation, and threat prevention.
• Engineer cloud connectivity: design, maintain, and troubleshoot Microsoft Azure networking across cloud and on-prem environments.
• Engineer switching and wireless systems: design, administer, and optimize enterprise switching and wireless infrastructure (Cisco Meraki).
• Maintain communications systems: support Teams Calling, contact center platforms, VoIP, and related telecommunications services.
• Solve complex problems: provide advanced technical support, troubleshoot incidents, and implement lasting solutions.
• Lead infrastructure improvements: execute upgrades, migrations, and projects while coordinating with vendors and maintaining docs.

Skills

Enterprise networking

Palo Alto firewalls

Azure networking

Enterprise switching

Teams Calling / VoIP

Project leadership

Networking troubleshooting

Education

Bachelor's degree or equivalent

Tools

Cisco Meraki

Windows Server

Active Directory

Job description

Job Description

Senior Network Engineer

Keep our business connected. Secure the systems that power every adventure.

Grinnell, Iowa | Hybrid

This position is based in Grinnell, Iowa, with regular onsite collaboration required. Candidates must live within commuting distance of Grinnell or be willing to relocate to the area.

Base Salary Range: $110K-$125K, based on experience, with annual bonus potential up to 12%

At 2nd Adventure, we support a portfolio of brands, including Brownells and Crow Wholesale, serving customers across eCommerce, retail, wholesale, and distribution.

We're looking for an experienced Senior Network Engineer to take technical ownership of our enterprise network, security, and telecommunications infrastructure. In this senior-level, hands‑on role, you'll design and improve systems across on‑premises and cloud environments, lead infrastructure initiatives, and solve complex challenges to keep our business connected and secure.

What You'll Do

• Own enterprise networking: Design, administer, and optimize LAN/WAN, routing, switching, and connectivity infrastructure


• Manage network security: Configure and support Palo Alto Networks firewalls, VPNs, security policies, segmentation, and threat prevention


• Engineer cloud connectivity: Design, maintain, and troubleshoot Microsoft Azure networking and connectivity across cloud and on‑premises environments


• Engineer switching and wireless systems: Design, administer, and optimize enterprise switching and wireless infrastructure, including Cisco Meraki environments


• Maintain communications systems: Support Microsoft Teams Calling, contact center platforms, VoIP, and related telecommunications services


• Solve complex problems: Provide advanced technical support, troubleshoot incidents, and implement lasting solutions


• Lead infrastructure improvements: Execute upgrades, migrations, and network engineering projects while maintaining documentation and coordinating with vendors

What You'll Bring

• 7+ years of enterprise network engineering or administration experience


• Extensive hands‑on experience with Palo Alto Networks firewalls


• Strong experience with Microsoft Azure networking and hybrid cloud connectivity


• Strong hands‑on enterprise switching experience, including network design, configuration, administration, and troubleshooting


• Solid knowledge of routing, VLANs, LAN/WAN, DNS, DHCP, QoS, wireless networking, and network security


• Experience supporting Microsoft Teams Calling and enterprise contact center technologies


• Strong troubleshooting, project leadership, documentation, and collaboration skills

Qualifications

• Cisco Meraki switching and wireless experience


• Bachelor's degree in a related technical field or equivalent relevant experience


• Windows Server and Active Directory experience


• Palo Alto Networks, Cisco, Network+, Security+, or related certifications


• Network architecture, disaster recovery, or infrastructure modernization experience

Additional Details: Standard business hours with occasional after-hours support, scheduled maintenance, and participation in an on‑call rotation.

Ready to Own What's Next?

Bring your technical expertise, problem‑solving skills, and passion for building reliable, secure networks to 2nd Adventure.