System Administrator Tier 3 Network

Lewis Bakeries • Evansville, IN

1d • Hybrid

About The Position

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.

Requirements

• 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.

Nice To Haves

• 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).

Responsibilities

• 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.
• 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.
• 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.
• 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.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level