Senior System Administrator – Windows Server & Active Directory
jmawireless· Infrastructure
About this role
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 Senior Systems Administrator to manage and maintain our core enterprise infrastructure.
The Senior System Administrator is the organization’s technical lead for Windows Server and Active Directory infrastructure, with strong supporting ownership of Microsoft 365 (Office 365) and VMware virtualization. This is a senior individual-contributor role that combines deep hands-on administration with architecture, standards-setting, and mentorship. The Senior System Administrator designs and operates a secure, resilient, and well-governed environment — leading complex projects and migrations, defining operational best practices, and serving as the highest level of escalation for infrastructure and identity. The ideal candidate is a seasoned, security-minded engineer who can both go deep technically and raise the capability of the wider team.
Frequently Asked Questions
What is the salary for the Senior System Administrator – Windows Server & Active Directory role at jmawireless?
The listed salary for this Senior System Administrator – Windows Server & Active Directory position at jmawireless is USD 120K–140K. This is an Full Time role.
Where is the Senior System Administrator – Windows Server & Active Directory position at jmawireless located?
This Senior System Administrator – Windows Server & Active Directory role at jmawireless is based in Syracuse, NY. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior System Administrator – Windows Server & Active Directory role at jmawireless full-time or part-time?
This is listed as a Full Time position. It is posted as a Senior System Administrator – Windows Server & Active Directory role in the Infrastructure department at jmawireless.
Which team or department does the Senior System Administrator – Windows Server & Active Directory at jmawireless belong to?
This Senior System Administrator – Windows Server & Active Directory position is part of the Infrastructure department at jmawireless. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior System Administrator – Windows Server & Active Directory position at jmawireless?
Click the "Apply Now" button on this page. You will be redirected to jmawireless's official application portal hosted on lever where you can submit your application directly.
When was the Senior System Administrator – Windows Server & Active Directory job at jmawireless posted?
This Senior System Administrator – Windows Server & Active Directory position at jmawireless was posted on Jun 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior System Administrator – Windows Server & Active Directory
jmawireless · 💰 USD 120K–140K
You'll be redirected to jmawireless's official application page on Lever.