IT Systems & Network Administrator

Tulsa, OK | Full-Time | On-Site
Salary:$75,000–$85,000

Eligible candidates must be legally authorized to work in the U.S. without current or future sponsorship.

Compensation & Benefits

Competitive Salary:$75,000–$85,000

Medical, Dental & Vision Insurance

401(k)

Paid Time Off

Employee Assistance Program (EAP)

Ongoing Training & Career Growth Opportunities

Keep the Infrastructure Running.

We're seeking a hands-on IT Systems & Network Administrator to support the organization's core technology infrastructure, including servers, networks, cloud platforms, virtualization, and end-user systems. This role is ideal for an experienced IT professional who enjoys solving complex technical problems and can work across both systems administration and network infrastructure.

What You'll Own

Systems Administration

• Administer and support Windows Server environments, Active Directory, DNS, DHCP, and Group Policy.

• Manage user accounts, permissions, policies, and core infrastructure services.

• Support Windows 10/11 desktops, laptops, and related endpoint environments.

• Troubleshoot server, application, operating system, and connectivity issues.

• Support Microsoft 365 and Entra ID environments.

• Maintain reliable and secure day-to-day systems operations.

Network Infrastructure

• Configure and maintain switches, firewalls, VPNs, wireless networks, and related infrastructure.

• Monitor network performance, connectivity, and availability.

• Troubleshoot TCP/IP, VLAN, Ethernet, routing, and connectivity issues.

• Support network security and access-control requirements.

• Investigate network outages and recurring connectivity problems.

• Assist with network upgrades, expansions, and infrastructure improvements.

Cloud & Virtualization

• Support Microsoft 365, Entra ID, and other cloud-based technology platforms.

• Administer or support VMware, Hyper-V, or comparable virtualization environments.

• Assist with virtual server deployment, maintenance, and troubleshooting.

• Support infrastructure migrations, upgrades, and technology projects.

• Help maintain reliable integration between on-premises and cloud environments.

Security, Backup & Infrastructure

• Support backup systems, disaster recovery processes, and infrastructure continuity.

• Follow established security practices for systems, networks, accounts, and endpoints.

• Assist with security improvements, patching, access controls, and system maintenance.

• Maintain accurate infrastructure documentation and technical procedures.

• Identify infrastructure risks and recommend practical improvements.

Technical Support & Troubleshooting

• Serve as a technical escalation point for complex systems and network issues.

• Provide Tier 2/3 support when issues require advanced troubleshooting.

• Diagnose problems across servers, networks, applications, endpoints, and connectivity.

• Work with users and internal teams to resolve technical issues efficiently.

• Document recurring problems, resolutions, and infrastructure changes.

• Support day-to-day IT operations across the organization.

What We're Looking For

Required Qualifications

3+ years of professional systems administration and networking experience

Strong working knowledge of Windows Server and Active Directory

Experience supporting Microsoft 365 and Entra ID

Strong understanding of TCP/IP, Ethernet, VLANs, VPNs, switches, and firewalls

Experience supporting Windows 10/11 environments

Experience troubleshooting across both server and network infrastructure

Strong analytical, troubleshooting, communication, and problem-solving skills

Preferred Qualifications

• 5+ years of systems or network administration experience.

• Experience with VMware, Hyper-V, or similar virtualization technologies.

• Experience with backup and disaster recovery environments.

• Experience supporting hybrid on-premises and cloud infrastructure.

• Associate's degree or higher in Information Technology, Information Systems, Computer Science, Computer Engineering, or a related field.

• Certifications such as Network+, Security+, CCNA, Microsoft, VMware, or equivalent.

• Experience supporting infrastructure projects, system upgrades, or network deployments.

Ideal Background

We're especially interested in IT professionals with experience in:

• Systems Administration

• Network Administration

• Windows Server Infrastructure

• Active Directory

• Microsoft 365 / Entra ID

• Virtualization

• Network Security

• Cloud & Hybrid Infrastructure

• Corporate IT Infrastructure

• Manufacturing or Industrial IT Environments

Work Environment

This is a hands-on infrastructure position that requires regular interaction with servers, network equipment, workstations, and other IT systems throughout the organization. The role may involve occasional equipment installation, troubleshooting, and movement between office and infrastructure areas.

Nesco Resource offers a comprehensive benefits package for our associates, which includes a MEC (Minimum Essential Coverage) plan that encompasses Medical, Vision, Dental, 401K, and EAP (Employee Assistance Program) services.

Nesco Resource provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. #LI-SC2