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System Administrator, Senior

at Booz Allen Hamilton

Back to all Cybersecurity jobs
Booz Allen Hamilton logo
Consultancies

System Administrator, Senior

at Booz Allen Hamilton

Mid LevelNo visa sponsorshipCybersecurity

Posted 3 days ago

No clicks

Compensation
$77,600 – $176,000 USD

Currency: $ (USD)

City
Washington DC
Country
United States

Senior System Administrator role focused on designing, deploying, and maintaining Enterprise Cross Domain Solutions for a DoD-focused enterprise. Candidates should have strong Linux experience (RHEL/Rocky), Proxmox, and infrastructure-as-code skills (Salt, Ansible, Puppet, Terraform), with a path toward technical leadership. A TS/SCI clearance with polygraph is required, and the position requires the ability to obtain DoD 8570.1 IAT Level II certification within 60 days of start. The role emphasizes security, performance, monitoring, and mentoring to advance enterprise cross-domain capabilities.

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System Administrator, Senior

Laurel, Maryland, USA
Apply

CREATEYOUR CAREER

CREATE AND GROW WITH US

Your growth matters to us - explore our career development opportunities.

BE EMPOWERED TO SUCCEED

Connect with others in our people-first culture and enhance our collective ingenuity.

SUPPORT YOUR WELLBEING

Learn how we’ll support you as you pursue a balanced, fulfilling life.

YOUR CANDIDATE JOURNEY

Discover what to expect during your journey as a candidate with us.

Job Description

Remote Work:
No
Job Number:
R0232760
Location:
Laurel,MD,US
Additional Locations:
  • Columbia, Maryland, USA
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

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 $77,600.00 to $176,000.00 (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 application process, 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.

Work Model
Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.

  • If this position is listed as remote or hybrid, you’ll periodically work from a Booz Allen or client site facility.
  • If this position is listed as onsite, you’ll work with colleagues and clients in person, as needed for the specific 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.

Not ready to apply? Join our Talent Community and sign up for job alerts.

About Us

Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We build technology solutions using AI, cyber, and other cutting-edge technologies to advance and protect the nation and its citizens. By focusing on outcomes, we enable our people, clients, and their missions to succeed—accelerating the nation to realize our purpose: Empower People to Change the World®.

If you are an individual with a disability and would like to request a reasonable workplace accommodation for any part of our employment process, please contact the Booz Allen Help Desk by calling 1-877-927-8278 or sending an email to helpdesk@bah.com. This option is reserved only for individuals who are requesting a reasonable workplace accommodation. It is not intended for other purposes or inquiries.

Stay Connected with Booz Allen

© 2026 Booz Allen Hamilton Inc. All Rights Reserved.

System Administrator, Senior

at Booz Allen Hamilton

Back to all Cybersecurity jobs
Booz Allen Hamilton logo
Consultancies

System Administrator, Senior

at Booz Allen Hamilton

Mid LevelNo visa sponsorshipCybersecurity

Posted 3 days ago

No clicks

Compensation
$77,600 – $176,000 USD

Currency: $ (USD)

City
Washington DC
Country
United States

Senior System Administrator role focused on designing, deploying, and maintaining Enterprise Cross Domain Solutions for a DoD-focused enterprise. Candidates should have strong Linux experience (RHEL/Rocky), Proxmox, and infrastructure-as-code skills (Salt, Ansible, Puppet, Terraform), with a path toward technical leadership. A TS/SCI clearance with polygraph is required, and the position requires the ability to obtain DoD 8570.1 IAT Level II certification within 60 days of start. The role emphasizes security, performance, monitoring, and mentoring to advance enterprise cross-domain capabilities.

-->
Conduct a search
When autocomplete results are available, use up and down arrows to review and enter to select.
Clear
Submit

System Administrator, Senior

Laurel, Maryland, USA
Apply

CREATEYOUR CAREER

CREATE AND GROW WITH US

Your growth matters to us - explore our career development opportunities.

BE EMPOWERED TO SUCCEED

Connect with others in our people-first culture and enhance our collective ingenuity.

SUPPORT YOUR WELLBEING

Learn how we’ll support you as you pursue a balanced, fulfilling life.

YOUR CANDIDATE JOURNEY

Discover what to expect during your journey as a candidate with us.

Job Description

Remote Work:
No
Job Number:
R0232760
Location:
Laurel,MD,US
Additional Locations:
  • Columbia, Maryland, USA
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

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 $77,600.00 to $176,000.00 (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 application process, 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.

Work Model
Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.

  • If this position is listed as remote or hybrid, you’ll periodically work from a Booz Allen or client site facility.
  • If this position is listed as onsite, you’ll work with colleagues and clients in person, as needed for the specific 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.

Not ready to apply? Join our Talent Community and sign up for job alerts.

About Us

Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We build technology solutions using AI, cyber, and other cutting-edge technologies to advance and protect the nation and its citizens. By focusing on outcomes, we enable our people, clients, and their missions to succeed—accelerating the nation to realize our purpose: Empower People to Change the World®.

If you are an individual with a disability and would like to request a reasonable workplace accommodation for any part of our employment process, please contact the Booz Allen Help Desk by calling 1-877-927-8278 or sending an email to helpdesk@bah.com. This option is reserved only for individuals who are requesting a reasonable workplace accommodation. It is not intended for other purposes or inquiries.

Stay Connected with Booz Allen

© 2026 Booz Allen Hamilton Inc. All Rights Reserved.