Senior Systems Administrator - VMware & AD (Travel 25%)

ManTech; Chantilly (VA); On-site; USD 100,000 - 140,000; Full time

Job summary

MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. You will provide Tier 2/3 IT support, supervise a team of System Administrators, and optimize a VMware/AD infrastructure to ensure reliable operations.

You will work with Windows 10/11 and Windows Server 2016/2019, manage AD/DS, DNS, GPOs, PKI, DHCP, and VMware, while documenting architectures and procedures. Domestic travel up to 25% is required.

Qualifications

• Bachelor’s degree or equivalent and 8 years of experience in systems administration.
• Experience in hardware/software maintenance, upgrades, and cybersecurity in an Enterprise IT environment.
• Knowledge of Windows file and folder permission & inheritance structure.

Responsibilities

• Design, implement, and maintain VMware vSphere environments, including vCenter, ESXi hosts, and virtual machines.
• Troubleshoot and resolve VMware-related issues, including performance bottlenecks, connectivity problems, and resource allocation.
• Manage, monitor, and troubleshoot Active Directory (AD) and Group Policy infrastructure.
• Collaborate with other IT teams to manage system integration, configuration, and upgrades.
• Create and maintain comprehensive documentation for systems architecture, processes, and configurations.
• Domestic Travel up to 25%.

Skills

VMware vSphere

Active Directory

Windows Server 2016/2019

DNS

GPOs

PKI

DHCP

Backup & Recovery

Security+

PowerShell

Linux/RHEL 8

Networking basics

Education

Bachelor’s Degree

High School Diploma / GED

Tools

VMware vCenter

ESXi

Microsoft Exchange

Linux

Job description

MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. You will provide Tier 2/3 IT support, supervise a team of System Administrators, and optimize a VMware/AD infrastructure to ensure reliable operations.

You will work with Windows 10/11 and Windows Server 2016/2019, manage AD/DS, DNS, GPOs, PKI, DHCP, and VMware, while documenting architectures and procedures. Domestic travel up to 25% is required.