System Administrator Tier 3 Network

Tier 3 Systems Administrator

Location: Evansville, IN
Department: Informational Technology (IT)
Reports To: Vice President of Informational Technology
 

Position Summary

Lewis Bakeries is seeking a Network / Systems Administrator with approximately 5–7 years of hands-on experience supporting enterprise network and systems environments. The primary focus of this role is the administration, maintenance, and improvement of core infrastructure — networking, Microsoft 365, Windows Server, endpoint devices, and identity services — across multiple manufacturing and distribution sites.

The ideal candidate has a balanced background in network administration and systems administration, brings a proactive and security-minded approach, and serves as an escalation point in a fast-paced, multi-site environment.

This is a hands-on role that combines infrastructure responsibility with direct user support. The administrator owns and maintains core network and systems infrastructure and also works daily end-user support tickets as part of the IT team.

Key Responsibilities

Network Administration

• Design, implement, and maintain LAN, WAN, WLAN, VPN, and remote connectivity solutions across bakeries, distribution centers, and corporate locations.
• Configure, manage, and troubleshoot routers, switches, firewalls, wireless controllers, and related network hardware.
• Monitor network performance, identify bottlenecks, and optimize reliability, availability, and efficiency.
• Troubleshoot complex network issues involving routing, switching, wireless, firewalling, and security incidents.
• Assist with network security initiatives including segmentation, access control, vulnerability remediation, and incident response.
• Maintain accurate network documentation, diagrams, IP addressing, and configuration standards.
• Participate in the planning and execution of network upgrades, expansions, and modernization projects.

System and Infrastructure Administration

Owns (Primary Responsibility)

• Administer and support Microsoft 365 services including Entra ID (Azure AD), Exchange Online, SharePoint, OneDrive, Teams, and security features.
• Perform user account creation, management, and lifecycle administration across Active Directory and Microsoft 365.
• Design, implement, and maintain Group Policy Objects (GPOs) for security, configuration, and compliance.
• Deploy, manage, and maintain Windows servers (on-prem and/or virtualized), including patching, hardening, updates, and lifecycle management.

Assists with (Shared/Supporting)

• Support endpoint device deployment and management for desktops, laptops, tablets, mobile phones, and servers, including imaging, configuration, and replacement.
• Assist with endpoint security platforms such as SentinelOne, including agent deployment, policy management, alert review, and remediation in coordination with security and IT leadership.
• Assist with device management platforms (e.g., Intune, MDM/MAM, or similar) and endpoint security tooling.
• Support backup, recovery, and disaster recovery processes for systems and infrastructure.
• Troubleshoot complex OS, authentication, application, security, and endpoint issues escalated from frontline support.

End-User Support and Operational Responsibilities

• Work daily end-user support tickets and provide hands-on, day-to-day support to users.
• Troubleshoot and resolve desktop, application, authentication, device, and connectivity issues directly with end users.
• Serve as a escalation resource for IT staff across networking, systems, and security domains.
• Collaborate with vendors, service providers, and internal teams to deliver stable, scalable, and secure solutions.
• Contribute to infrastructure standards, documentation, and internal knowledge resources.
• Participate in on-call rotation and provide after-hours support for critical systems.
• Assist with audits, compliance initiatives, and security reviews as needed.

Required

• Bachelor’s degree in Information Technology, Computer Science, or a related field — or equivalent professional experience.
• 5–7 years of professional experience in network administration, systems administration, or a hybrid infrastructure role.
• Strong working knowledge of TCP/IP networking, routing, and switching concepts.
• Hands-on experience with enterprise firewalls (Cisco, Fortinet, Palo Alto, or similar).
• Experience administering Windows Server, Active Directory, Group Policy, and Microsoft 365.
• Experience with endpoint protection and security tools such as SentinelOne or comparable EDR platforms.
• Proficiency with user account management, device deployment, and end-user support across multiple device types.
• Solid understanding of security best practices across networks, systems, endpoints, and identities.
• Ability to independently analyze, diagnose, and resolve complex technical issues while supporting day-to-day user needs.
• Strong documentation, communication, and collaboration skills.

Preferred

• Relevant certifications such as CCNA/CCNP, Network , Security , Microsoft (Azure/M365), or equivalent.
• Experience supporting manufacturing, distribution, or industrial environments.
• Familiarity with cloud platforms (Azure, AWS) and hybrid identity models.
• Experience with MDM/Intune, endpoint security platforms, or zero-trust concepts.
• Knowledge of VoIP, QoS, and unified communications.
• Experience with automation or scripting (PowerShell, Python, Ansible).

Work Environment and Schedule

• Full-time position based at Lewis Bakeries’ corporate facility.
• Standard business hours with flexibility based on project needs.
• Occasional travel to bakeries and distribution sites for installations, upgrades, or troubleshooting.
• On-call rotation required for after-hours support of critical systems.
• Work involves both office-based administration and hands-on technical work in production or warehouse environments.
• Must be able to lift and transport IT and networking equipment as needed.

About Lewis Bakeries

Founded in 1925, Lewis Bakeries is a family-owned company producing high-quality breads, buns, and rolls under trusted brands including Bunny Bread®, Lewis Bake Shop®, and Healthy Life®. We are committed to delivering quality products, supporting our customers, and investing in our people across all areas of the organization.

What Makes Us Great

At Lewis Bakeries, we believe in rewarding our employees with a comprehensive compensation and benefits package that supports their health, financial well-being, and professional growth.

Exceptional Total Rewards Package

In addition to a competitive salary, employees enjoy a benefits package that provides significant financial value, including:

• Medical coverage with weekly premiums as low as $10 and a low-deductible plan design
• Comprehensive dental coverage, including orthodontic benefits for dependent children
• Company-funded pension plan and a 401(k) with company matching contributions
• Company-paid short-term and long-term disability insurance
• Paid Personal Time Off (Vacation) and holidays
• Professional development opportunities and long-term career growth

Additional reasons employees choose Lewis Bakeries:

• Family-owned company with over 100 years of baking excellence
• Stable and growing organization with a long history of success
• Collaborative culture that values employee engagement, safety, and continuous improvement
• Opportunity to make a meaningful impact as a key member of the bakery leadership team

Equal Opportunity Employer

Lewis Bakeries is an Equal Opportunity Employer and Drug-Free Workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other protected status.

Employment is contingent upon successful completion of a background check, drug screening, and reference check.

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