IT Systems Administrator - Enterprise/Windows (Onsite in Syracuse, NY) at Jmawireless

JMA is restoring U.S. leadership in wireless technology at a critical time in the transition to 5G. It makes the world’s most advanced software-based 5G platform, designed, coded, and manufactured in Syracuse, NY at the only U.S.-owned 5G factory in the country.   Across its global tech centers, JMA makes 5G possible for organizations with the most critical connectivity demands in the world. JMA’s technology is ushering in a new era of connectivity for leading mobile carriers, the most iconic stadiums, major universities, leading healthcare centers, the busiest transit centers, and the U.S. Military.   5G is more than another G on your phone — it is a generational opportunity to change the way the world operates. Join the industry’s fastest growing technology company to shape that future today. We are seeking an experienced IT Systems Administrator to manage and maintain our core enterprise infrastructure. This role is responsible for the reliability, performance, security, and compliance of our Windows-based server environment, virtualization platforms, identity services, and enterprise applications. The ideal candidate brings a hands-on approach, strong troubleshooting abilities, and experience supporting compliance frameworks such as CMMC, SOC2, and/or ISO 27001. This role serves as the backbone of Enterprise Systems and works closely with a Systems Engineer focused on Linux and platform operations to provide mutual backup and cross-coverage across the infrastructure. Responsibilities: • Manage and maintain virtualization platforms (VMware), including physical and virtual server environments, clustering, and capacity planning. • Administer and support Microsoft 365, Azure, Intune, Active Directory, and Group Policy (GPO) across the enterprise. • Manage enterprise and open-source SAN infrastructure, including storage provisioning, monitoring, and performance optimization. • Own enterprise backup and replication strategy, including disaster recovery and high availability planning and testing. • Administer enterprise email filtering solutions. • Own patch deployment and management for all Windows-based systems and enterprise applications. • Proactively monitor system health, performance, and security; troubleshoot and resolve critical issues. • Create, update, and maintain detailed documentation for systems, processes, and controls. • Provide Tier 2/3 escalation support for infrastructure-related issues. • Serve as backup to the Systems Engineer, Linux / Platform Operations role to ensure cross-coverage and continuity. • Stay current with industry trends and emerging technologies to drive continuous improvement. Required Skills & Experience: • 6+ years of experience in systems administration, primarily in Windows environments. • Strong experience with VMware virtualization and clustering. • Enterprise and open-source SAN experience. • Experience with enterprise backup, replication, disaster recovery, and high availability. • Proficiency in M365, Azure, and Intune administration. • Solid Active Directory and GPO experience. • Enterprise email filtering experience. • Experience with patch deployment and management processes. • Strong system monitoring, troubleshooting, and documentation skills. • Excellent communication and collaboration skills. • Experience providing executive-level white glove support. Preferred Skills & Experience: • Experience administering engineering or manufacturing applications (e.g., SolidWorks, SolidWorks PDM, Ansys, Mastercam, CST, Siemens PADs) or a demonstrated ability to learn specialized enterprise applications with vendor support. • Familiarity with compliance frameworks such as CMMC, SOC2, or ISO 27001, including experience implementing or supporting related controls. • Experience supporting internal and external audits, including evidence preparation and documentation. • Experience managing Teams Rooms and conference room systems. • Basic familiarity with Linux environments sufficient to provide backup support to the Linux / Platform Operations role. At JMA, our people are deeply committed to their work and we provide benefits to match. When you join JMA you have immediate access to everything you need. Whether you're looking for employee discounts, financial, legal and/or childcare resources and support, we have you covered. We believe in providing comprehensive health and wellness coverage along with monetary rewards towards health goals, in addition to numerous company-provided personal protection benefits at no additional cost to you.   At JMA, we don’t just accept differences — we embrace them. JMA is proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristic.