Tier II/III Technical Support
Tulsa , Oklahoma
Experience: 2
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Job ID: 379979
Date Posted: 09/16/2026
Shortcut: http://jobs.systemone.com/9IXcTi
Job Title: Tier II/III Technical Support
Location: Tulsa, Oklahoma
Type: Contract To Hire
Work Model: Hybrid – onsite and remote
Hours: 40.0
Security Clearance: Not specified
Responsibilities
- Provide Tier II and Tier III support for end users, business applications, and infrastructure systems.
- Troubleshoot and resolve escalated hardware, software, operating system, and network issues.
- Administer and maintain Windows Server environments.
- Manage Active Directory, Group Policy, user accounts, permissions, and security groups.
- Support Microsoft 365, Exchange, Teams, and related collaboration tools.
- Assist with server maintenance, upgrades, and patch management.
- Support virtualization platforms including VMware and Hyper-V.
- Monitor system performance, availability, and health.
- Manage DNS, DHCP, file shares, print services, and network connectivity issues.
- Assist with backup and disaster recovery processes.
- Document system configurations, procedures, and troubleshooting steps.
- Participate in infrastructure projects and technology improvement initiatives.
- 2+ years of experience in a Tier II/Tier III Support, Desktop Support, or Systems Administration role.
- Experience supporting Windows 10/11 and Windows Server environments.
- Strong knowledge of: Active Directory, Group Policy, DNS, DHCP, TCP/IP Networking, Microsoft 365.
- Experience troubleshooting hardware, software, and connectivity issues.
- Experience administering user accounts, permissions, and access controls.
- Familiarity with VMware, Hyper-V, or other virtualization technologies.
- Strong customer service and communication skills.
- Ability to prioritize and manage multiple support requests.
- Experience with PowerShell scripting.
- Experience supporting Microsoft Exchange environments.
- Experience with endpoint management solutions.
- Familiarity with backup solutions such as Veeam.
- Knowledge of cybersecurity best practices.
- Relevant certifications such as: CompTIA A+, CompTIA Network+, CompTIA Security+, Microsoft Fundamentals or Associate Certifications.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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Ref: #208-Rowland Tulsa
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