Tier 2 System Administrator

Booz Allen Hamilton; Arlington (TX); On-site; USD 62,000 - 141,000; Full time

Job summary

Booz Allen Hamilton in Arlington, TX is seeking a System Administrator with Windows, virtualization, and DoD-focused experience to support mission-critical environments. You will install, configure, maintain, and troubleshoot Windows-based systems and virtual machines, while delivering Tier 2 support.

Join a team that values problem solving, customer service, and strong documentation. Expect collaboration with senior admins and network engineers to monitor, patch, and improve the cyber maturity

Qualifications

• 3+ years of experience as a system administrator, network technician, or cybersecurity technician.
• Experience with VMware Hyper V and managing virtual machines.
• Experience with service ticketing systems.
• Experience with tools such as Active Directory, SCCM, Dell WYSE Management System, Hyperflex, or SolarWinds.
• Knowledge of Windows operating systems and Unix/Linux.
• Active TS/SCI clearance; willingness to take a polygraph exam.
• HS diploma or GED.
• Security+ or DoD 8570 IAT Level II Certification.

Responsibilities

• Install, configure, maintain, and troubleshoot Windows-based systems and virtual environments.
• Provide Tier 2 support for DoD missions and resolve incidents.
• Monitor infrastructure, patch critical systems, and conduct performance checks.
• Collaborate with senior admins and network engineers to improve cyber maturity.

Skills

Windows system administration

Virtualization

Customer service skills

Problem solving

Tier 2 support

Education

Bachelor’s degree in Computer Science, Information Assurance, or Cybersecurity

HS diploma or GED

Tools

Active Directory

SCCM

Dell WYSE Management System

Hyperflex

SolarWinds

VMware

Hyper-V

Job description

Aug 12, 2026

$62,000 - $141,000/year

The Opportunity:

Your combination of people skills and system administration knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? Your blend of technical skill, problem-solving ability, and mission focus enables you to keep critical systems running and secure. We’re looking for a System Administrator with experience in Windows system administration, virtualization, and classified environments to support reliable and secure operations within the Defense and Intelligence communities. As a System Administrator on our team, you’ll install, configure, maintain, and troubleshoot Windows‑based systems and virtual environments. We are looking for people with strong customer service skills and technical background to provide Tier 2 support for DoD missions.

As a Tier 2 System Administrator on our team, you’ll ensure the current infrastructure is functional, available, and constantly looking for ways to make the infrastructure better using the latest technology and best implementation strategies. Working alongside senior administrators and network engineers, you’ll contribute to system monitoring, update and patch critical systems, conduct performance checks, and issue resolution. You’ll help clients overcome tough challenges through monitoring and performance management. Your knowledge will be vital as you identify problem areas and opportunities for improvement in a mission‑critical network. Your communication skills will come in handy as you turn metrics into information and articulate their meaning.

This is an opportunity to gain experience in virtualization. We focus on growing as a team, so we’ll share techniques, work through challenges, and develop new methodologies together. Work with us and resolve daily challenges as we improve and enhance the cyber maturity profile of DoD systems across the enterprise.

Join us. The world can’t wait.

You Have:

• 3+ years of experience as a system administrator, network technician, or cybersecurity technician
• Experience with VMware Hyper V and managing virtual machines
• Experience with service ticketing systems
• Experience with tools such as Active Directory, SCCM, Dell WYSE Management System, Hyperflex, or SolarWinds
• Knowledge of Windows operating systems
• Knowledge of Unix or Linux
• Ability to interpret and follow technical documentation and procedures
• Active TS/SCI clearance; willingness to take a polygraph exam
• HS diploma or GED
• Security+ or DoD 8570 IAT Level II Certification

Nice If You Have:

• Experience with tools such as LogRhythm or Jira
• Experience working with STIGs, Group Policy Objects (GPOs), or configuration baselines
• Knowledge of government system design or DoD cybersecurity processes
• Bachelor’s degree in Computer Science, Information Assurance, or Cybersecurity
• CASP, CISSP, or CCNA Certification
• Red Hat RHCSA Certification

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 is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work‑life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements. The projected compensation range for this position is $62,000.00 to $141,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in‑person or virtual) is prohibited unless permission is explicitly provided.

Work Model

Our people‑first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

Remote

If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

Hybrid

If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

Onsite

If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

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.

Booz Allen Hamilton is an advanced technology firm specializing in AI, cyber, and innovative solutions to support America’s defense, civil, and national security priorities.

Software Development Technology, Information and Internet Technology, Information and Media

8283 Greensboro Drive, McLean, VA 22102, US