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Information Technology Support Specialist
Job in
Houston, Harris County, Texas, 77246, USA
Listed on 2026-10-15
Listing for:
Addison Group
Full Time
position Listed on 2026-10-15
Job specializations:
-
IT/Tech
Systems Administrator, IT Support, HelpDesk/Support
Job Description & How to Apply Below
The Service Desk Support Specialist is responsible for providing Tier 2 technical support across end-user devices, enterprise applications, and hybrid infrastructure. This role focuses on troubleshooting complex issues, supporting Microsoft 365 and identity services, and ensuring a high level of customer satisfaction while contributing to operational stability and continuous improvement.
Key Responsibilities- Troubleshoot simple and complex Windows desktop, laptop, and mobile device issues
- Support Microsoft 365 services, including:
- Outlook and Exchange Online (mail flow, profiles, permissions)
- Microsoft Teams (calling, meetings, client issues)
- One Drive and SharePoint Online (sync, access, permissions)
- Resolve identity and authentication issues (password resets, MFA, conditional access)
- Troubleshoot VPN, remote access, and hybrid connectivity issues
- Manage user accounts, security groups, and permissions in:
- Assist with Hybrid Azure AD Join and device registration issues
- Support administration and monitoring of:
- Azure and Microsoft 365 services
- Monitor and support:
- File and print services
- Backup and recovery jobs
- Apply patches, updates, and configuration changes following change management procedures
- Support virtualization platforms (Hyper-V) as needed
- Maintain system documentation and asset inventories
- 2–4 years of experience in Tier 2 helpdesk, technical support, or junior systems administration roles
- Strong experience supporting Windows endpoints in an enterprise environment
- Working knowledge of Microsoft 365 and hybrid identity concepts
- Hands‑on experience with Active Directory user and group management
- Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPN)
- Experience using ticketing systems and documenting technical solutions
- Strong communication and customer service skills
- Experience with Microsoft Entra , Azure AD Connect, or Active Roles
- Exposure to Intune, Conditional Access, or device compliance policies
- Power Shell scripting for basic administration or troubleshooting
- Strong troubleshooting and analytical skills
- Attention to detail and documentation discipline
- Professional communication with both technical and non‑technical users
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