Senior Systems Administrator – Windows, Linux & Cloud

Dunhill Professional Search & Government Solutions; Washington (District of Columbia); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Dunhill Professional Search & Government Solutions in Washington, DC seeks a mid- to senior-level Systems Administrator to own Windows and Linux server infrastructure, endpoint management, and virtualization. The role requires strong problem-solving skills and collaboration across teams.

Hybrid in Washington, DC, with hands-on experience in SCCM/MECM, Azure Update Management, GPOs, and enterprise Active Directory. Linux services and virtualization proficiency are essential.

Qualifications

• Bachelor's degree in IT/CS or equivalent experience.
• 3–7 years hands-on Windows and/or Linux systems administration.
• Ability to obtain and maintain a Public Trust clearance.
• Proficiency with Group Policy design, implementation, and troubleshooting.

Responsibilities

• Administer and maintain SCCM/MECM infrastructure for deployment and patching.
• Manage Azure Update Management for hybrid and cloud patching.
• Design and manage GPOs across the Active Directory environment.
• Provide advanced troubleshooting for Windows Server environments.
• Manage Linux servers (RHEL, Ubuntu, CentOS) and related services.
• Operate and maintain virtual machines (Hyper-V/VMware/Azure VMs).

Skills

Group Policy design

PowerShell scripting

Bash scripting

Virtualization concepts

Education

Bachelor's Degree in Information Technology, Computer Science or related field

Tools

SCCM/MECM

Azure Update Management

Hyper-V

VMware

Azure VMs

Linux administration (RHEL/Ubuntu/CentOS)

Job description

Dunhill Professional Search & Government Solutions in Washington, DC seeks a mid- to senior-level Systems Administrator to own Windows and Linux server infrastructure, endpoint management, and virtualization. The role requires strong problem-solving skills and collaboration across teams.

Hybrid in Washington, DC, with hands-on experience in SCCM/MECM, Azure Update Management, GPOs, and enterprise Active Directory. Linux services and virtualization proficiency are essential.