> Markdown version of [/jobs/ext/3610734-senior-it-support-specialist](https://www.wearedevelopers.com/jobs/ext/3610734-senior-it-support-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 IT Support Specialist - **Company:** 3D Systems, Inc. - **Location:** Littleton, CO, United States - **Experience:** Expert - **Salary:** $76,400.0 - $107,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Antivirus, Apple Mac Systems, Microsoft Azure, Microsoft Online Services, Cloud Computing, Cyber Security, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), IT Management, Network Troubleshooting, Network Layer, Networking Basics, Routing, Network Protocols, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, Software Deployment, TCP/IP, Virtual Local Area Networks, Software Troubleshooting, Microsoft InTune, Cisco - **Published:** October 7, 2026 - **Apply:** https://diversityjobs.com/career/18562180/Senior-It-Support-Specialist-Colorado-Littleton ## About the Role We are seeking a highly skilled and self-driven Senior IT Solutions Specialist to join our IT team in a fast-paced additive manufacturing environment. This pivotal role provides advanced technical support, serving as the final escalation point for complex issues across systems, networks, and applications-including those critical to high-performance engineering and digital manufacturing workflows. The ideal candidate brings deep technical expertise, a proactive approach to problem-solving, and a strong understanding of IT's role in supporting modern manufacturing technologies. This position isbased at our Littleton, CO location, where in-person collaboration, real-time support, and active engagement with our team and company culture are essential to success., * Minimum of 5 years of experience supporting Windows operating systems, networking protocols, and enterprise IT environments. * 3+ years of hands-on experience managing A/V meeting room technologies, including platforms such as Microsoft Teams Admin Center, Poly, and Cisco Systems. * Proficiency in PowerShell scripting for automation, configuration, and administrative tasks. * Strong experience with cloud-based IT administration, including Azure Active Directory, Intune, and Microsoft 365. * Solid understanding of networking fundamentals such as DHCP, DNS, TCP/IP, routing, switching, and VLANs (advanced networking knowledge is a plus). * Experience supporting mobile platforms (iOS/Android), as well as Mac OS and Linux (preferred but not required). * Excellent verbal and written communication skills, with the ability to clearly document technical processes and convey information to non-technical audiences. * Proven ability to work independently, manage multiple priorities, and deliver results in a fast-paced environment. Preferred Certifications * Microsoft Certified: Modern Desktop Administrator Associate * CompTIA A+, Network+, or Security+ * ITIL Foundation Certification * Microsoft Certified: Azure Fundamentals or higher ## Description * Deliver high-touch, responsive IT support to executives, ensuring minimal disruption and maximum productivity. * Troubleshoot complex technical issues across hardware, software, and network layers with precision and efficiency. * Perform advanced diagnostics, system administration, and in-depth network troubleshooting across diverse environments. * Configure, maintain, and support A/V systems for high-stakes meetings, events, and executive presentations. * Manage application deployment and remediation, ensuring optimal compatibility, performance, and user experience. * Administer and support core infrastructure technologies, including Active Directory, Group Policy, Azure AD, Intune, Microsoft Defender, and PowerShell scripting. * Oversee and troubleshoot Microsoft 365 services such as Exchange, Teams, SharePoint, and OneDrive. * Conduct root cause analysis for recurring or complex issues and implement long-term remediation strategies, including vulnerability resolution. * Create and maintain comprehensive technical documentation, incident reports, and support playbooks. * Develop standard operating procedures and user guides for new technologies and solutions. * Operate independently to identify, prioritize, and implement solutions aligned with business needs. * Collaborate with Infrastructure and Cybersecurity teams to resolve escalated or cross-functional issues.