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Senior AIX/UNIX Administrator

Responsibilities

 

Peraton is seeking a highly skilled Senior Aix/UNIX Administrator to join our diverse team supporting the U.S. Customs and Border Protection (CBP). This position can be worked remotely.  You will work closely with stakeholders, system owners, and security leadership to maintain and support CBP’s critical mission to protect our nation’s borders.

 

Key Responsibilities:

  • Configure, monitor, and maintain AIX OS systems in a virtual environment.
  • Plan, install, test, and implement upgrades and patches to AIX OS.
  • Provides tier 2 and 3 support for escalations from Help Desk.
  • Knowledge and experience troubleshooting Linux and Unix based systems.
  • Participate in on-call rotations to provide 24x7x365 infrastructure operations support.
  • Support infrequent after-hours and weekend escalations as needed (aside from on-call rotation).
  • Optimize system operations and resource utilization as well as perform system capacity analysis and planning.
  • Utilize tools and processes, including but not limited to software distribution, backups, performance measurement, tuning, license and asset management to allow automated as well as remote systems management of the server environment.
  • Provide support to resolve incidents, problems, or service requests that require subject matter expertise and cannot be resolved by the Enterprise Operations Center (EOC). Task personnel shall provide final problem resolution.
  • Work with EOC to implement automated preventative measures, proactive monitoring, and system self-healing capabilities to limit outages/performance issues which impact service levels.
  • Contribute to the Root Cause Analysis efforts when applicable.

Qualifications

Basic Qualifications:

  • 16 years of related IT experience with a High School Diploma.
  • 12 years of related IT experience with a Bachelor of Science (B.S.).
  • 10 years of related IT experience with a Master of Science (M.S.).
  • 5+ years of experience providing operations and maintenance support, including experience identifying/resolving performance issues in a UNIX Environment (Linux, Ubuntu, and/or AIX).
  • 5+ years of experience with Veritas Cluster Server (VCS), including configuration and failover testing.
  • 5+ years of experience with shell scripting.
  • 5+ years of experience supporting infrastructure design and configuration of products including determination of hardware, OS, and other platform specifications.
  • 4+ years of experience providing quality assurance review and the evaluation of new and existing software products.
  • US Citizen with the ability to pass a background check and obtain a  Public Trust clearance.

Preferred Qualifications:

  • IBM Certified System Administrator – AIX.
  • Experience with IBM Tivoli Monitoring and/or IBM Certified System Administrator – AIX.
  • Experience with IBM Tivoli Monitoring and/or IBM NetCool Omnibus.

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Average salary estimate

$135000 / YEARLY (est.)
min
max
$104000K
$166000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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Our mission is to protect and promote freedom around the world by Securing our future, Connecting our world, Safeguarding our enterprise, Protecting our borders, Enabling commerce, Enhancing human knowledge, and Protecting our citizens.

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Full-time, remote
DATE POSTED
October 15, 2025
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