Senior Network Engineer

All network technologies, Routing, Switching, Wireless and Firewalls and basic knowledge on Zscalers.  No design experience required but if posses it will be added advantage

Role: Senior Network Engineer

Location: Lincolnshire IL

What We're Looking For:

Looking for a Senior Network Engineer and play a crucial role in building, optimizing, and securing our global IT infrastructure. In this position, you will be a key driver in deploying enterprise-class network solutions and ensuring seamless connectivity across our operations worldwide

If you are a tech-driven problem solver who thrives in a collaborative, large-scale IT environment, enjoys mentoring teammates, and wants to work hands-on with cutting-edge network and security tools, we want you to help power our infrastructure.

What You Will Do:

Design, Deployment & Strategy

• Build the Network: Partner with IT architects to design, configure, and implement advanced enterprise network and security solutions that align with business goals.
• Technology Evaluation:  Participate in Proof of Concept (PoC) testing for emerging technologies and recommend improvements for network optimization and cost-efficiency.
• Implement Standards: Deploy,  configure, and maintain LAN, WAN, VPN, firewalls, and routing hardware while ensuring strict adherence to enterprise architecture standards.
• M&A Support: Contribute to network assessments for Mergers and Acquisitions (M&A), executing integration plans to standardize newly acquired environments safely and efficiently.

Security, Resilience & Compliance

• Disaster Recovery: Support  business continuity by deploying resilient infrastructures that facilitate critical Disaster Recovery and Cyber Recovery operations.
• Security Posture Optimization:  Routinely assess network security protocols, implement necessary upgrades, and execute risk-mitigation strategies within structured change control frameworks.
• Ensure Compliance: Maintain  operational compliance with internal policies and industry standards, providing critical validation for high-stakes network security modifications.

Operations, Support & Mentorship

• Advanced Escalation Point: Act as a Level 3 support specialist to quickly diagnose and resolve complex network, routing, and security incidents, including participating in an on-call rotation.
• Project Execution: Take ownership of specific IT project deliverables, ensuring system upgrades and deployments are completed on time.
• Knowledge Sharing: Promote a culture of continuous learning by mentoring junior engineers and creating comprehensive High-Level Designs (HLD), Low-Level Designs (LLD), and standard operating procedures (SOPs).

Core Networking, Cloud & Security Expertise

• Networking Fundamentals:  Strong foundational knowledge of data networking, routing protocols (BGP, OSPF), TCP/IP, directory services, and complex LAN/WAN topologies.
• Cloud & WAN Connectivity: Experience  managing routing metrics for WAN environments and a solid grasp of secure intra/inter-cloud routing across major providers (AWS, Azure, Google Cloud Platform).
• Security Acumen: Thorough  understanding of zero-trust architectures, cryptography, and modern security protocols to protect against known and emerging system vulnerabilities.

Professional Skills

• Team Collaboration: A  collaborative mindset with the ability to guide cross-functional teams and lead technical initiatives by example.
• Customer-Focused: Highly  empathetic to cultural differences within a global workforce and dedicated to delivering exceptional IT support.
• Analytical Thinking:  Exceptional troubleshooting abilities under pressure, combined with the communication skills needed to translate technical issues to business stakeholders.

Minimum Qualifications:

• Bachelor's degree in Information Technology, Computer Science, Engineering, or a related discipline (or equivalent practical experience).
• Minimum of 8+ years of hands-on experience in enterprise network engineering, security, and infrastructure deployment.
• Proven track record of supporting large-scale, complex, and highly available global IT environments.
• Zscaler Zero Trust Ecosystem:  Comprehensive experience managing Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Digital Experience (ZDX), and Zscaler Branch Connectors (ZTB).
• Data Center Automation & Visibility: Practical  experience operating Cisco Nexus Dashboard for centralized fabric management, proactive monitoring, and operational automation in complex data centers.
• Enterprise Wireless & Edge: Strong background in deploying and managing HPE Mist Wireless, Cisco Meraki, and Cisco Enterprise Wireless environments.
• Next-Generation Firewalls:  Extensive background supporting Palo Alto Firewalls. Holding an active Palo Alto Networks Certified Network Security Engineer (PCNSE) or Administrator (PCNSA) certification is highly preferred to validate this expertise.
• Travel Requirements: Ability  and willingness to travel up to 10% globally or domestically to support major implementations and M&A integration projects.

Certifications

• CCNP/CCIE (Enterprise and/or Data Center)
• JNCIP-MistAI
• Zscaler Digital Transformation Engineer (ZDTE)
• CISSP or PCNSE