> Markdown version of [/jobs/ext/4646857-senior-systems-specialist](https://www.wearedevelopers.com/jobs/ext/4646857-senior-systems-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Specialist - **Company:** Pacific Rim Mechanical - **Location:** Mundelein, IL, United States - **Experience:** Expert - **Salary:** $80,000 - $115,000 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Business Software, Identity and Access Management, IT Management, Microsoft Dynamics, Microsoft Software, Windows Servers, Cloud Services, Security Software, Software Troubleshooting, Microsoft InTune, Information Technology, Deployment Automation, 3-tier Architectures, Vmware - **Published:** November 9, 2026 - **Apply:** https://www.thejobnetwork.com/job/3c00922a-ab2e-4657-b5ad-2e3ae1dded1f/senior-systems-specialist ## About the Role *7+ years of progressive IT experience supporting users, endpoints, systems, and business applications. \n *Demonstrated ability to independently resolve complex Tier 2 and Tier 3 technical issues. \n *Hands-on experience with Microsoft 365, Entra ID / Active Directory, Exchange Online, Teams, Windows endpoints, and endpoint management technologies. \n *Working knowledge of networking, Windows Server, cloud services, identity and access management, hardware, and business applications. \n *Experience mentoring technical staff or serving as a senior escalation resource. \n *Experience leading smaller technology projects or technical workstreams. \n *Strong troubleshooting, documentation, customer service, and written and verbal communication skills. \n *Ability to work independently, manage competing priorities, and drive work through completion with limited supervision. \n *Construction, field service, or multi-location support experience is preferred. \n *Experience with Intune, Autopilot, VMware, cybersecurity tools, Dynamics 365, Power Platform, ERP, or CRM platforms is preferred. \n *Relevant Microsoft, VMware, CompTIA, ITIL, or security certifications are preferred. \n *Must have a valid driver's license and be authorized to work in the United States. ## Description The Senior Systems Specialist reports to the IT Supervisor and serves as the primary technical escalation resource between frontline support, systems administration, and IT leadership. This role owns complex Tier 2 and Tier 3 support issues, mentors support personnel, and assists with smaller IT projects. The position is intended for an experienced, hands-on professional who can contribute quickly with minimal onboarding.