Senior Support Worker Jobs in Wisconsin (NOW HIRING)

Location: On-site with occasional travel
Department: Information Technology (Food Manufacturing)
Reports To: IT Director and Senior Systems Analyst

The Senior Systems Engineer provides advanced technical support and infrastructure administration across the organization’s IT environment. This position serves as a senior escalation resource for complex issues involving servers, Microsoft cloud services, virtualization, networking, identity, security, and enterprise applications.
The role combines hands-on troubleshooting, systems administration, project support, technical documentation, automation, and mentoring. The successful candidate will help maintain the availability, security, performance, and reliability of the organization’s technology environment.

• Serve as a senior escalation point for complex infrastructure and application issues.
• Diagnose and resolve advanced hardware, software, operating systems, and network problems.
• Perform root cause analysis and document findings. Includes recommendations for remediation and preventive actions.
• Provide technical guidance and mentoring to other IT support personnel.
• Coordinate with vendors and service providers when additional support is required.
• Develop and maintain troubleshooting procedures and knowledge base articles.

• Administer and support:
  • Windows Server Environment (2016/2019/2022+)
  • Active Directory, Group Policy, DNS/DHCP, File services, print services, and Remote Desktop Services.
  • Administer Microsoft 365, Exchange Online, Azure, and Microsoft Entra ID.
• Monitor system performance, availability, capacity, and operational health.
• Manage server patching, maintenance activities, and lifecycle activities.
• Support system backups, recovery procedures, and processes.
• Participate in systems recovery testing and continuity planning.

• Support VMware vCenter and ESXi vSphere environment.
• Provision, configure, maintain, and retire virtual machines.
• Administer cloud infrastructure including:
  • Microsoft Azure, Microsoft 365, Entra ID, and Intune
• Assist with cloud migration, modernization, and infrastructure improvement initiatives.

• Troubleshoot LAN, WAN, wireless, VPN, DNS, and other connectivity issues.
• Support switches, firewalls, VPNs, wireless infrastructure, VLANs, routing, and network security technologies.
• Assist with storage systems and storage-area network technologies.
• Work with internet service providers, telecommunications providers, and technology vendors to resolve service issues.

• Support cybersecurity controls, standards, and operational security practices.
• Administer MFA, authentication systems, certificates, and identity management.
• Assist with security-incident response and remediation activities.
• Review and remediate vulnerability findings.
• Support audit requests, compliance reviews, and evidence collection.
• Identify and recommend improvements that reduce operational and security risk.

• Develop automation solutions using PowerShell and other scripting tools to improve efficiency and reliability.
• Create and maintain technical documentation, SOPs, network diagrams, and system configurations.
• Recommend process improvements and technology enhancements.
• Participate in infrastructure projects, system upgrades, migrations, and technology deployments.
• Assist with project planning, testing, implementation, and post-deployment support.

• Bachelor’s degree in information technology, Computer Science, or related field preferred.
• Equivalent education, training, and professional experience will be considered.
• 5+ years of experience in IT infrastructure engineering, systems administration, and advanced technical support.
• Experience supporting mission-critical or enterprise production systems.
• Experience with incident management, escalation, troubleshooting, and root-cause analysis.

Strong working knowledge of:

• Candidates do not need to be experts in every technology.
• Windows Server Administration
• Active Directory and Group Policy
• Microsoft 365 Administration and Exchange Online
• VMware vCenter, vSphere, ESXi
• TCP/IP, DNS, DHCP, VLANs, routing, and VPN technologies
• Fortinet Firewalls and network-security technologies
• Storage systems and SAN technologies
• PowerShell scripting
• Endpoint management solutions, including Intune.
• Security operations and vulnerability management
• Backup, recovery, and disaster recovery technologies.

• Microsoft Certified: Identity and Access Administrator
• VMware VCP
• CompTIA Security+
• Fortinet NSE 4
• ITIL Foundation

• Advanced troubleshooting and analytical ability
• Strong customer service and communication skills for both technical and nontechnical audiences.
• Ability to work independently and manage competing priorities.
• Project coordination and implementation experience
• Technical documentation and process development skills
• Willingness to mentor and support other IT team members

• Ability to lift equipment up to 50 pounds.
• Ability to work in server rooms, data centers, and network closets.
• Occasional evening or weekend work may be required for maintenance, upgrades, or incident response.
• Occasional travel to the other 3 locations.
• Participation in an on-call rotation is required. On call is for a week and is once every five weeks.

Performance in this role may be measured on:

• Timely resolution of complex incidents
• System availability, reliability, and performance
• Successful delivery of projects
• Reduction in recurring incidents
• Technical documentation quality and completeness
• Patch, vulnerability, and security-remediation performance
• Backup and recovery readiness
• Automation and process-improvement contributions.
• Knowledge sharing and mentoring of other team members.