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IT Support Specialist

Job

Addison Group

Washington, DC (In Person)

Full-Time

Posted 3 days ago (Updated 1 day ago) • Actively hiring

Expires 6/25/2026

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Job Description

IT Support Specialist at Addison Group IT Support Specialist at Addison Group in Washington Navy Yard, Washington DC Posted in about 22 hours ago.
Type:
full-time
Job Description:
We are seeking a skilled IT Support Specialist to join our help desk team and provide advanced technical support across the organization. This role serves as a key escalation point for complex issues while delivering high-quality support to ensure a seamless end-user experience for employees. Key Responsibilities System Upgrades & Deployment Perform full lifecycle operating system upgrades, including data backup, OS deployment, validation, and post-upgrade troubleshooting Resolve upgrade-related issues such as driver conflicts, hardware compatibility, and application performance problems Install, configure, and support enterprise applications including Microsoft 365 and endpoint security tools Tier 2 Technical Support Act as an escalation point for Tier 1 support, diagnosing and resolving complex technical issues Troubleshoot Windows operating systems, hardware, network connectivity, and authentication-related problems Support identity and access management processes, including multi-factor authentication (MFA) and account access issues Perform data transfers, device migrations, and system restorations as needed End-User & Deskside Support Provide hands-on deskside support for hardware, software, printers, and connectivity issues Deliver excellent customer service to end users, ensuring timely issue resolution Document all incidents, requests, and resolutions accurately within the ticketing system Communicate progress, escalations, and blockers clearly to IT leadership Required Skills & Qualifications Strong experience with Windows 10/11 administration, imaging, upgrades, and troubleshooting Hands-on experience with Microsoft 365, user provisioning, and endpoint configuration Familiarity with identity and security tools, including MFA solutions and endpoint protection platforms (e.g., CrowdStrike) Proven ability to independently troubleshoot and resolve escalated Tier 2 technical issues Experience working within a ticketing system and following IT service management best practices Strong problem-solving skills and ability to work in a fast-paced environment
Benefits:
medical, dental, vision, 401(k)