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Robert Half Logo Robert Half · IT - Administration

Senior IT Support Specialist

United States, Plymouth · Job Posted March 04, 2026
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Job Description

The Senior IT Support Specialist provides advanced technical support across the organization and serves as the primary escalation point for complex issues. This role requires hands-on experience with modern endpoint, network, and cloud technologies. The specialist leads technical initiatives, and contributes to the stability, security, and performance of core IT systems.

Job Responsibility

  • Diagnose and resolve complex incidents involving Windows endpoints, mobile devices, identity services, networking, and cloud applications
  • Perform root cause analysis on recurring issues and implement permanent corrective actions
  • Act as the highest internal escalation point for technical problems related to device management, authentication, endpoint security, network performance, and system integrations
  • Lead deployments and upgrades of technologies such as MDM platforms, endpoint protection suites, network hardware, collaboration tools, and cloud productivity systems
  • Create and maintain system documentation, SOPs, and configuration guides for internal use
  • Monitor and optimize systems including device management platforms, directory services, network infrastructure, and cloud applications
  • Coordinate with teams and external vendors when advanced issues or system escalations require specialized support

Requirements

  • Minimum of 5 years of IT support experience, with expertise in advanced troubleshooting and system analysis
  • Proficiency in Entra ID and Office 365
  • Strong knowledge of LAN and WAN networks, including configuration and maintenance
  • Experience implementing and managing endpoint security measures
  • Ability to lead IT projects, including planning, execution, and team coordination

What we offer

  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
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