System Administrator, Senior

Booz Allen Hamilton; Laurel (MD); On-site; USD 78,000 - 176,000; Full time

Benefits offered by this job

Health insurance

Life insurance

Disability insurance

Financial benefits

Retirement benefits

Paid leave

Professional development

Tuition assistance

Work-life programs

Dependent care

Job summary

Booz Allen Hamilton is seeking a Senior System Administrator to design, deploy, and maintain Enterprise Cross Domain Solutions for critical DoD-facing environments. You’ll lead performance monitoring, provide insights from metrics, and mentor teammates while shaping modern network approaches.

Requirements include 3+ years Red Hat or Rocky, Proxmox, Git, and multiple IaC tools; TS/SCI with poly; a CS/IT degree or 10+ years’ equivalent.

Qualifications

• 3+ years of experience with Red Hat Enterprise Linux or Rocky.
• 3+ years of experience with Proxmox.
• Experience with Git.
• Experience managing systems using Infrastructure as Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef, or Terraform.
• Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS.
• TS/SCI clearance with a polygraph.
• Bachelor’s degree in a CS or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of degree.
• Ability to obtain a DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date.

Responsibilities

• Design, deploy, and maintain Enterprise Cross Domain Solutions for an enterprise environment.
• Provide monitoring and performance management to reveal network insights.
• Lead and mentor the team, sharing expertise and developing new methodologies.
• Identify opportunities to modernize the network to meet customer needs.

Skills

Red Hat Enterprise Linux / Rocky

Proxmox

Git

Infrastructure as Code

Linux firewall / DNS / networking

DoD 8570.1 IAT Level II

Security clearance TS/SCI with poly

Bachelor's degree in CS or IT

5+ years sys/network administration

10+ years sys/network admin in lieu of

Education

Bachelor’s degree in CS or IT

10+ years of system or network administration experience in lieu of degree

Tools

Proxmox

Git

Salt

Ansible

Puppet

PowerShell

Chef

Terraform

Job description

System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System Administrator to help us design, deploy, and maintain Enterprise Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers.

As a Linux System Administrator on our project, you’ll constantly look for ways to make the infrastructure better using the latest technology and the best implementation strategies. You’ll recommend technologies and approaches to improve platform performance and security, comply with security controls, and achieve system availability and reliability requirements.

You’ll provide your customers insight into their network through monitoring and performance management. Your technical expertise will be vital as you identify problem areas and opportunities for improvement in a mission critical network.

You’ll help your team better understand the network by turning metrics into information and explaining their meaning. We focus on growing as a team, so you’ll share your expertise through leadership and mentoring as you help the team work through challenges and develop new methodologies.

As a technical leader, you’ll identify new opportunities to modernize the network to help your customers meet their needs. Join our team and solve daily challenges as we improve enterprise cross domain services for our clients. Join us. The world can’t wait.

You Have:

• 3+ years of experience with Red Hat Enterprise Linux or Rocky
• 3+ years of experience with Proxmox
• Experience with Git
• Experience managing systems using Infrastructure as Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef, or Terraform
• Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS
• TS/SCI clearance with a polygraph
• Bachelor’s degree in a CS or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of degree
• Ability to obtain a DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date

Nice If You Have:

• Experience with AWS
• Experience with virtual infrastructure migrations
• Experience with Python
• Knowledge of bi-directional network transfer systems
• DoD 8570.1 IAT Level II Compliant 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 with polygraph is required.

Compensation

• health
• life
• disability
• financial
• retirement benefits
• paid leave
• professional development
• tuition assistance
• work-life programs
• 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.

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 $77,600.00 to $176,000.00 (annualized USD).

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

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, and international law.

About Booz Allen

Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.

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, and international law.

Know Your Rights Poster Accommodations

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