Sr Site Support Specialist

Gosnaphop; Denver (CO); On-site; USD 71,000 - 77,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401k

Job summary

Addison Group is seeking a Sr Site Support Specialist in Denver, CO to provide hands-on Tier 2/3 IT support in a fast-paced corporate environment. You will troubleshoot Windows 10/11, Microsoft 365, VPNs, and access management, while maintaining devices and deploying Windows endpoints.

The role requires strong AD skills, networking knowledge, and excellent customer service. You will escalate complex issues, collaborate with IT teams and third-party providers, and occasionally support after

Qualifications

• 5+ years of hands-on IT support experience, ideally Tier 2/3.
• Strong Windows 10/11 and Microsoft 365 troubleshooting skills.
• Hands-on experience with Active Directory accounts, groups, permissions, and access management.
• Knowledge of TCP/IP, wireless networking, VPNs, and endpoint security.
• PC hardware imaging and deployment experience.
• Ability to work directly with end users and resolve issues independently.
• Excellent communication, prioritization, and customer service skills.

Responsibilities

• Provide advanced IT support for laptops, desktops, peripherals, and apps.
• Troubleshoot Windows, Microsoft 365, connectivity, VPN, hardware, software, and access issues.
• Administer routine Active Directory functions and password issues.
• Support Microsoft 365 user administration, licensing, and email troubleshooting.
• Image, configure, deploy, and replace Windows endpoints.
• Install and troubleshoot approved software and endpoint configurations.
• Diagnose LAN, wireless, TCP/IP, and network connectivity issues.
• Maintain asset, inventory, and ticket documentation.
• Escalate complex issues with other IT teams and third-party providers.
• Assist with deployments, upgrades, and end-user improvement initiatives.
• Provide occasional after-hours support when required.

Skills

5+ years IT support

Windows 10/11 troubleshooting

Microsoft 365 troubleshooting

Active Directory accounts &permissions

TCP/IP networking

Hardware imaging & deployment

End-user communication

Tools

Active Directory

Microsoft 365

VPN

Imaging tools

Job description

Title: Sr Site Support Specialist

Location: Denver, CO

Pay Rate Range: $34 - $37 / hour

Benefits: This position is eligible for medical, dental, vision, and 401k.

We are seeking an IT Support professional to provide hands‑on technical support within a fast‑paced corporate environment. This position will focus on Tier 2/3 end‑user support, Microsoft technologies, endpoint troubleshooting, access management, and day‑to‑day site technology needs.

Responsibilities

• Provide advanced technical support for laptops, desktops, peripherals, mobile devices, and common business applications.
• Troubleshoot Windows 10/11, Microsoft 365, connectivity, VPN, hardware, software, and user access issues.
• Administer routine Active Directory functions, including user accounts, groups, permissions, and password‑related issues.
• Support Microsoft 365 user administration, licensing, email, and application troubleshooting.
• Image, configure, deploy, and replace Windows endpoints.
• Install and troubleshoot approved software, updates, and endpoint configurations.
• Diagnose basic LAN, wireless, TCP/IP, and network connectivity issues.
• Maintain accurate asset, inventory, and ticket documentation.
• Escalate complex infrastructure issues while partnering with other IT teams and third‑party support providers.
• Assist with technology deployments, upgrades, and end‑user improvement initiatives.
• Provide occasional after‑hours support when required.

Qualifications

• 5+ years of hands‑on IT support experience, ideally supporting Tier 2 and Tier 3 issues.
• Strong Windows 10/11 and Microsoft 365 troubleshooting skills.
• Hands‑on experience with Active Directory accounts, groups, permissions, and access management.
• Working knowledge of TCP/IP, wireless networking, VPNs, and endpoint security.
• Strong PC hardware, software, imaging, and deployment experience.
• Comfortable working directly with end users and resolving technical issues independently.
• Strong communication, prioritization, and customer service skills.

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non‑discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

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