> Markdown version of [/jobs/ext/3623931-senior-system-administrator](https://www.wearedevelopers.com/jobs/ext/3623931-senior-system-administrator). 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 System Administrator - **Company:** Insight Global - **Location:** Lanham, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Active Directory, Cloud Computing, VMware ESX Servers, Windows Servers, Cloud Platform System, Office365, SC Clearance - **Published:** October 8, 2026 - **Apply:** https://dejobs.org/x/x/A066BC0BC5DB4AC593E8E92FD22CCAA3/job/ ## About the Role 8+ years of experience as Systems Administrator or in a similar IT support role Strong hands-on experience in a MS365 environment Experience supporting both on-prem and cloud environments VMware ESXi experience Strong experience with Windows Server, Active Directory, Group Policy, and endpoint management Ability to support complex technical issues for both technical and non-technical users independently Ability to obtain Secret clearance Experienced in a GCC High or other highly regulated environment MS365 certification Active Secret clearance Bachelors degree in a related field ## Description A client in the Lanham, MD area is looking for a Senior System Administrator to join their team. This person will be supporting a hybrid on-prem and cloud infrastructure environment. This role requires you to be the onsite IT POC for all on-site users as well as a POC for remote users in other office locations.