Senior Windows Administrator Jobs in Appleton, WI

Summary

The Senior Network Engineer – Team Lead provides technical leadership and hands-on engineering for the design, implementation, security, and ongoing reliability of the organization’s network infrastructure across campus, WAN, and multi-cloud environments. This role leads day-to-day network operations, drives standards and automation, and manages a small team of network engineers/administrators.

This role partners closely with Infrastructure, Security, Cloud, End User, and Application teams to ensure resilient connectivity and secure integration of private, public, and hybrid cloud services.

Why Jewelers Mutual

Since 1913 we’ve been committed to supporting the Jewelry industry and putting customers at the center of everything we do. With over a century of trusted expertise, we’re financially strong, forward-thinking, and driven by curiosity. Guided by our core values of Agility, Accountability, and Relevancy, we lead through innovation.
As a technology focused organization, we embrace cutting-edge tools and data-driven insights to continuously improve our products, services, and customer experience. Our mission is to be the industry’s most trusted advisor by investing in our people, adopting new technologies, and striving for excellence.
We’re dedicated to fostering growth through collaboration, powered by bold thinking, teamwork, and the passion of our people.

What You'll Do 

 Technical Leadership & Engineering

• Lead the design and implementation of complex Cisco-based networks that are scalable, secure, and highly available, aligned to industry best practices.
• Own network architecture and engineering standards, including reference designs, configuration standards, and lifecycle roadmaps.
• Provide senior-level escalation support for complex incidents and outages, performing root cause analysis and driving corrective and preventive actions.
• Ensure proactive monitoring, alerting, and observability are in place with sufficient coverage to detect most issues before customer impact.
• Maintain and continuously improve network documentation including diagrams, runbooks, configuration baselines, and security/network policies.
• Plan and execute patching, maintenance windows, and technology refresh activities to minimize risk and business disruption.
• Implement and maintain network services including firewalls, VPNs, IDS/IPS, SDA, Viptela SD-WAN, VLANs, load balancers, and related routing/switching services.
• Collaborate with Security to ensure network segmentation, secure remote access, and control validation meet organizational requirements.
• Support multi-cloud networking across AWS, Azure, and Google Cloud, including connectivity, routing, security, and integration patterns for hybrid environments.
• Identify opportunities for automation (infrastructure-as-code, configuration management, repeatable deployments) to increase reliability and reduce operational toil.
• Stay current on network and cloud technologies and recommend solutions that improve performance, security, cost, and operability.
  

 People Leadership & Team Management 

• Provide direct people leadership for network engineering staff, including coaching, performance feedback, and development planning.
• Set clear expectations for work quality, operational rigor, and customer-focused service.
• Coordinate team workload and on-call or after-hours coverage as needed, ensuring timely response and effective handoffs.
• Lead prioritization and execution of work from intake through delivery, balancing operational needs with project work.
• Support hiring activities, including role scoping, interviewing, onboarding, and mentoring.
• Foster a culture of documentation, learning, and continuous improvement.
  

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to

 What You'll Bring 

• Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent experience.
• 8+ years of progressive IT experience with 5+ years in network engineering, including ownership of enterprise network design and operations.
• 1+ years of people management experience (or demonstrated team leadership experience), including coaching, performance feedback, and workload planning.
• Expert knowledge of Cisco networking technologies across LAN and WAN.
• Strong understanding of networking protocols and technologies, including TCP/IP, BGP, OSPF, VLANs, QoS, and load balancing.
• Experience designing and supporting WAN and SD-WAN solutions (e.g., Cisco Viptela), including circuit provider management and resiliency.
• Strong network security experience including segmentation, firewalls, VPNs, IDS/IPS, and secure remote access.
• Practical knowledge of public, private, and hybrid cloud connectivity patterns across AWS, Azure, and Google Cloud.
• Demonstrated incident management and troubleshooting skills, including root cause analysis and creating durable preventive controls.
• Experience with infrastructure monitoring and observability platforms (LogicMonitor preferred).
• Experience with Citrix NetScaler or similar ADC solutions preferred.
• Ability to communicate clearly with both technical and non-technical partners and produce high-quality documentation.
• Flexibility to travel up to 15% as needed.
  

 Certifications, Licenses, Registrations 

• CCNA/CCNP certification preferred.
• AWS, Google and/or Azure cloud certifications preferred.

What We Offer You

• Competitive Compensation & Benefits: Includes performance bonuses, generous paid time off, and a top-tier retirement program with 401(k) matching and additional company contributions.
• Collaborative Culture: Work alongside talented, passionate peers who value ownership and continuous learning.
• Community & Giving: Benefit from 50% charitable gift matching and paid volunteer time to support nonprofit causes
• Great Place to Work® Certified: Join a team recognized for an environment of innovation and growth.
  

Accessibility and Accommodations

We are committed to providing an inclusive and accessible recruitment process. If you require accommodation at any stage of the application or interview process, please let us know by contacting jmrecruiting@jminsure.com.