System Administrator

Booz Allen Hamilton; Aurora (CO); On-site; USD 61,900 - 141,000; Full time

Benefits offered by this job

Health insurance

Retirement plan

Paid time off

Tuition assistance

Professional development

Job summary

Booz Allen Hamilton is seeking a skilled Windows systems administrator to manage enterprise desktop and server environments in a secure setting. You will administer Windows Server, Active Directory, VMware, and Group Policy while delivering Tier 2 support to ensure secure, available IT infrastructure.

Responsibilities include maintaining Windows infrastructure, deploying updates, and collaborating to apply security best practices.

Qualifications

• Experience administering Windows Server 2022 and enterprise Windows environments.
• Experience with security hardening and system maintenance in classified networks.
• Proven ability to troubleshoot and support enterprise IT infrastructure.

Responsibilities

• Support and improve enterprise Windows infrastructure.
• Manage Active Directory, Group Policy, and system updates.
• Provide Tier 2 support in a secure enterprise environment.
• Collaborate with teams to ensure security best practices and reliability.

Skills

Windows Server

Active Directory

Group Policy

VMware vSphere

Networking basics

PowerShell

Education

High school diploma or GED

DoD 8570 IAT Level II Certification (Security+ CE)

Tools

Splunk

McAfee Policy Orchestrator (ePO)

Job description

System Administrator

Are you looking for an opportunity to combine your technical skills with big‑picture thinking to make an impact at Booz Allen? You understand secure enterprise environments and how to support the systems that enable mission success. Your ability to troubleshoot technical issues, improve system performance, and deliver exceptional customer support makes you an integral part of delivering reliable engineering solutions.

Opportunity

Booz Allen is seeking a skilled Windows systems administrator with experience supporting enterprise desktop and server environments. In this role, you will administer Windows Server, Active Directory, VMware, Group Policy, and Windows endpoints while providing Tier 2 support in a secure enterprise environment. You will maintain and troubleshoot enterprise IT infrastructure to ensure optimal performance, security, and availability.

Responsibilities

You will support, maintain, and improve our enterprise Windows infrastructure. Your responsibilities include:

• Troubleshooting user issues on Windows servers and workstations.
• Managing Active Directory and Group Policy, and deploying system updates.
• Supporting virtualization technologies and ensuring systems remain secure and compliant.
• Collaborating with teams to apply security best practices and improve service reliability.

Qualifications

You Have:

• Experience administering Windows Server 2022, VMware vSphere 8, Active Directory, and Group Policy in a secure or enterprise environment.
• Experience supporting system deployment, security hardening, and ongoing maintenance of Windows servers within classified networks.
• Experience in server room or data center environments.
• Knowledge of how servers, networking, and storage components integrate.
• Knowledge of STIGs.
• Ability to troubleshoot basic networking issues such as TCP/IP, VLANs, DNS, and DHCP.
• Ability to follow guidance to support system compliance.
• TS/SCI clearance with a polygraph.
• High school diploma or GED.
• DoD 8570 IAT Level II Certification such as Security+ CE.

Nice If You Have:

• Experience supporting web applications and documenting technical processes or troubleshooting steps.
• Experience with tools such as Splunk, McAfee Policy Orchestrator (ePO), and Domain Controller technologies.
• Knowledge of PowerShell or other scripting tools to automate tasks.
• Ability to learn, apply technical research to solve problems, and collaborate in a team setting.
• Experience maintaining Windows and RHEL 8/9 based systems, including basic configuration, patching, and system monitoring.
• Excellent written and verbal communication skills.
• Excellent problem‑solving skills.
• Microsoft Certified: Windows Server Hybrid Administrator Associate, Microsoft Certified: Azure Administrator Associate, CompTIA Network+, or Cisco CCNA.

Clearance

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. TS/SCI clearance with polygraph is required.

Compensation and Benefits

Salary range: $61,900.00 to $141,000.00 (annualized USD). Benefits include health, life, disability, financial, and retirement, paid leave, professional development, tuition assistance, work‑life programs, and dependent care. Full‑time and part‑time employees working at least 20 hours a week are eligible for the full benefit package.

EEO Statement

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran, or any other status protected by applicable federal, state, local, or international law.