Enterprise Systems Engineer — Windows, Linux & VMware

Lehigh Heavy Forge Corporation; Chantilly (VA); On-site; USD 87,000 - 198,000; Full time

Job summary

Booz Allen Hamilton is seeking a System Engineer to administer and secure enterprise Windows and Linux infrastructure, focusing on high availability, performance, and security. You will troubleshoot issues, deploy updates, and support virtualization across classified networks.

You will work with AD, Group Policy, and endpoint management while leveraging automation tools to improve efficiency and reliability in a mission-critical environment.

Qualifications

• Experience administering and troubleshooting RHEL 8/9 in enterprise or classified environments, including system hardening, SELinux, firewall management, logging, and secure configuration baselines.
• Experience assisting in managing and maintaining Windows Server 2019 or 2022 systems, including configuration, patching, monitoring, and troubleshooting.
• Experience administering Windows Server OS 2019 or 2022, RHEL Server, VMware, vSphere 8, Active Directory, and Group Policy in a secure or enterprise environment.
• Experience with server room or data center environments.
• Experience performing OS-level troubleshooting, including service failures, performance issues, and hardware or virtualization interactions across Linux and Windows.
• Experience with automation or configuration management tools such as Ansible or basic PowerShell for cross-platform task automation.
• Ability to support system deployment, security hardening, and ongoing maintenance of both Windows and RHEL systems within classified networks.
• TS/SCI clearance with a polygraph
• HS diploma or GED
• DoD 8570 IAT Level II Certification such as Security+ CE Certification

Responsibilities

• Support, maintain, and improve enterprise Windows and RHEL infrastructure.
• Troubleshoot user issues, administer Windows servers and workstations, manage Active Directory and Group Policy, deploy system updates.
• Support virtualization technologies and ensure systems remain secure and compliant.
• Grow skills by combining system administration, customer support, and security best practices.
• Collaborate to maintain reliable services supporting mission-critical operations.

Skills

RHEL 8/9

Windows Server

Active Directory

VMware/vSphere

Group Policy

Windows endpoints

Ansible

PowerShell

Education

HS Diploma or GED

DoD 8570 IAT Level II (e.g., Security+ CE)

Tools

Splunk

ePolicy Orchestrator (ePO)

Domain Controller technologies

Job description

Booz Allen Hamilton is seeking a System Engineer to administer and secure enterprise Windows and Linux infrastructure, focusing on high availability, performance, and security. You will troubleshoot issues, deploy updates, and support virtualization across classified networks.

You will work with AD, Group Policy, and endpoint management while leveraging automation tools to improve efficiency and reliability in a mission-critical environment.