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IT Support

Addison Group, Houston, TX, United States


Office Status: Onsite 5 days a week + On-call rotation

Salary: $40,000

Contract

Position Summary
The IT Systems & Support Specialist supports a hybrid Microsoft 365 environment by providing Tier 2 end‑user support. This role bridges frontline support and foundational systems administration, serving as an escalation point for service desk issues and supporting core identity, messaging, endpoint, and server operations.

The ideal candidate is technically hands‑on, customer‑focused, and looking to grow deeper systems administration skills within a Microsoft‑centric hybrid infrastructure.

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)

OneDrive and SharePoint Online (sync, access, permissions)

Resolve identity and authentication issues including password resets, MFA, and conditional access‑related user issues

Troubleshoot VPN, remote access, and hybrid connectivity issues

Manage user accounts, security groups, and permissions in:

On‑prem Active Directory

Azure AD / Microsoft Entra ID (hybrid identity)

Support user lifecycle processes including onboarding, role changes, and offboarding

Assist with Hybrid Azure AD Join and device registration issues

Assist with administration and monitoring of:

Windows Server (on‑prem)

Azure and Microsoft 365 services

Support and monitor:

Azure AD Connect

On-Prem AD

File and print services

Backup and recovery jobs

Apply patches, updates, and configuration changes following change management procedures as required

Support virtualization platforms (Hyper‑V) as required

Familiar with patch management

Maintain system documentation and asset inventories

Operational & Security Responsibilities

Identify recurring issues and contribute to root cause analysis

Support security initiatives including phishing response, account compromise remediation, and access reviews

Participate in after‑hours or on‑call rotations as required

Required Qualifications

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 managementSolid understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPN)

Experience using ticketing systems and documenting technical solutions

Strong communication and customer service skills

Preferred Qualifications

Experience with Microsoft Entra ID, Azure AD Connect, or Active Roles

Exposure to Intune, Conditional Access, or device compliance policies

PowerShell scripting for basic administration or troubleshooting

Core Competencies

Strong troubleshooting and analytical skills

Attention to detail and documentation discipline

Professional communication with both technical and non‑technical users

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