Principal Network Infrastructure Engineer; Hybrid

Principal Network Infrastructure Engineer (Hybrid)

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At Selective, we don't just insure uniquely, we employ uniqueness. Selective is a midsized U.S. domestic property and casualty insurance company with a history of strong, consistent financial performance for nearly 100 years. Selective's unique position as both a leading insurance group and an employer of choice is recognized in a wide variety of awards and honors, including listing in Forbes Best Midsize Employers in 2025 and certification as a Great Place to Work® in 2025 for the sixth consecutive year.

Employees are empowered and encouraged to be uniquely themselves, contributing diverse talents, experiences, and perspectives to our shared success. Together, we are a high‑performing team working to serve our customers responsibly by helping to mitigate loss, keep them safe, and restore their lives and businesses after an insured loss occurs.

Selective is seeking a Principal Network Infrastructure Engineer to partner with Architects and Engineers in the IT network infrastructure, supporting our business platforms and continuously improving to meet the evolving needs of our business community. The Engineer will provide technical leadership to the team to help drive the strategic initiatives and Cloud First direction of Selective Insurance. The network engineer is also required to document designs and creations and share their findings with others.

• Provide leadership in IT for the development of highly appropriate, tightly integrated, consistently available, secure, flexible, and fault‑tolerant solutions.
• Design and implement standardized methodologies to deploy and maintain routing and switching, LAN/WAN, wireless network, load balancers, cloud infrastructure networking components, network monitoring tools, WAN acceleration, SD WAN and other relevant technologies.
• Lead network implementation by taking ownership of a project and being accountable for its success, including providing executive summary status reports.
• Design enterprise network routing architectures using protocols such as OSPF, BGP, and EIGRP.
• Have knowledge of SDN concepts and familiarity with Python, REST, model‑driven programmability, containers and other modern aspects of network engineering.
• Maintain strong background in data center networking technologies like Cisco IOS, NXOS, Cisco VPC, Spine‑Leaf designs, OTV and VXLAN layer‑2 extensions.
• Work with architecture team to prepare recommendations and supporting details for formal project proposals for network connectivity and configurations.
• Act as SME escalation support during complex highly impactful outages that can cross multiple functional domains, involving recurring problems and vendor product bugs.
• Ensure all engineered solutions have sufficient design documentation, including HLD and LLD documents.
• Ensure all engineered solutions and features take operational needs into account and provide the Operations team with sufficient documentation, training and standard operating procedures for daily operation, maintenance, upgrades and support escalations.
• Identify areas for enhanced efficiency through automation, suggested process improvements and streamlined workflow.
• Work with Information Security to ensure that security policies are properly engineered into the delivered solutions and features.

• College degree in Computer Science or related field preferred.
• 10+ years of relevant experience in a fast‑paced, enterprise‑level environment including leadership roles.
• Ability to create accurate network diagrams and documentation for design and planning network layout and communication systems.
• Experience in Azure Cloud networking.
• Advanced knowledge of Cisco Catalyst and Nexus switches, Cisco routers, Cisco Meraki wireless LAN, Cisco ISE, F5 LTM/APM/iRules, Palo Alto firewalls (including Prisma Access), Palo Alto SD WAN, Solar Winds and other Azure, AWS and GCP technologies.
• Network certifications required from leading vendors:
  Cisco (CCNA, CCNP, CCIE); F5;
  Microsoft Azure.
• Ability to work with…