> Markdown version of [/jobs/ext/1394388-network-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1394388-network-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Systems Administrator - **Company:** F. C. Ziegler Co. - **Location:** Tulsa, OK, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Microsoft Windows, Active Directory, Backup Devices, Microsoft Online Services, Business Software, Software Documentation, Cyber Security, Desktop Computing, Firmware, Monitoring of Systems, Hyper-V, Networking Hardware, Virtual Private Networks (VPN), Network Security, Microsoft SQL Server, Windows Servers, Network Diagrams, Azure Active Directory, Service Pack, Virtualization Technology, Software Vulnerability Management, Wide Area Networks, Wireless Networks, Network Routers, Computer Networking Systems, Enterprise Software Applications, Firewalls (Computer Science), Database Monitoring, Network Server, User Accounts, Vmware - **Published:** July 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=fdf1ec2b131133a1 ## About the Role * 5+ years of experience supporting enterprise IT infrastructure in a business environment. * Strong experience administering Microsoft Windows Server environments. * Experience with Microsoft 365, Active Directory, Entra ID (Azure AD), Exchange Online, and Group Policy. * Experience with VMware, Hyper-V, or similar virtualization platforms. * Experience supporting enterprise networking, including switches, routers, wireless networks, VPNs, and firewalls. * Experience with backup and disaster recovery solutions. * Strong troubleshooting and analytical skills. * Excellent communication and customer service skills. * Ability to prioritize multiple projects while supporting business operations. Preferred Qualifications * Experience supporting ERP or other enterprise business applications. * Microsoft SQL Server administration experience. * Experience with cybersecurity technologies and best practices. * Experience leading infrastructure projects, technology evaluations, and disaster recovery testing. * Experience working with help desk ticketing systems and IT documentation tools. ## Description This is an excellent opportunity for an IT professional who enjoys balancing hands-on technical work with infrastructure planning, cybersecurity, continuous improvement, and leadership. You'll serve as the primary systems administrator for our Tulsa operations while partnering with our Maine-based IT team to support company-wide initiatives. If you're someone who enjoys solving complex technical challenges, improving systems, and helping shape the future of an organization's technology environment, we'd love to hear from you. What You'll Do As our Network Systems Administrator, you will: * Administer and maintain Windows Server infrastructure, Active Directory, Microsoft 365, virtualization platforms, and enterprise systems. * Manage LAN/WAN networks, wireless infrastructure, VPNs, firewalls, and network security. * Monitor system performance, backups, storage capacity, and infrastructure health. * Help drive infrastructure planning, technology evaluations, and continuous improvement. * Serve as the Tier II/III escalation point for complex technical issues. * Manage user accounts, permissions, licensing, and security access. * Support ERP, eCommerce, and other enterprise business applications. * Plan and coordinate maintenance, upgrades, security patching, and firmware updates. * Administer Microsoft SQL Server operational tasks, including backups, restores, scheduled jobs, and database monitoring. * Plan and lead disaster recovery testing and business continuity initiatives. * Implement cybersecurity best practices including endpoint protection, MFA, vulnerability management, and security improvements. * Maintain accurate system documentation, network diagrams, and IT standards. * Coordinate infrastructure projects with vendors and internal stakeholders. * Provide occasional after-hours support during maintenance windows or emergencies. * Travel occasionally to company locations as needed., * Opportunity to lead technology initiatives that directly impact business operations. * Mix of infrastructure engineering, cybersecurity, systems administration, and strategic planning. * Variety of technologies across manufacturing, retail, warehouse, and corporate environments. * Collaborative IT team with cross-coverage and professional development opportunities. * Stable, established company with a long history of serving customers nationwide. Work Environment This position is primarily based in our Tulsa office and includes regular interaction with manufacturing, warehouse, retail, and administrative departments. Occasional evening or weekend work may be required during planned maintenance or critical business needs. Some travel to company locations is required. This position reports to the IT Manager and works in partnership with our Maine-based systems administrator. Physical Requirements * Ability to lift and move equipment up to 50 pounds. * Ability to install desktop computers, networking equipment, and servers. * Comfortable working in office and server room environments. Equal Opportunity Employer F.C. Ziegler Co. is proud to be an Equal Opportunity Employer. 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