UNIX​/Linux Systems Administrator

What success looks like in this role:

• Administer and maintain Linux systems (RHEL 6/7/8/9, Oracle), and UNIX systems (AIX, HP) across multiple client environments.
• Utilize Red Hat KVM for both test and production environments.
• Manage user accounts, permissions, and access controls.
• Perform vulnerability assessments and apply security patches.
• Audit systems for compliance with internal and external standards.
• Manage full server lifecycle: provisioning, maintenance, monitoring, and decommissioning.
• Collaborate with clients to identify cost‑saving opportunities through automation and centralized reporting.
• Ensure compliance with DoD standards for system security and data handling.
• Install, configure, and update software packages using tools like yum, dnf, or apt.
• Manage repositories and dependencies.
• Participate in on‑call rotation.

• Associate's or Bachelor's degree in information technology or equivalent experience.
• Linux Administration: 6+ years (RHEL, Oracle).
• Unix Administration: 7+ years (AIX, HPUX).
• Virtualization: VMware ESX, Red Hat KVM.
• Monitoring Tools:
  Nagios.
• Strong troubleshooting and analytical skills.
• Excellent communication and documentation abilities.
• Local to or within an hour's drive to the Groton or New London, CT area.

Unisys offers an outstanding benefits package, featuring unlimited paid time off, a 401(k) match, comprehensive healthcare, HSA matching, ongoing learning opportunities, and more! We’re committed to supporting work‑life balance and investing in your future success.

At Unisys, we incorporate video interviews as a key part of our hiring process. This allows us to get to know you better and provide a more engaging and convenient interview experience. We appreciate your understanding and look forward to connecting with you virtually!

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This role may require access to export‑controlled commodities and technology. Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.

If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at  or alternatively Toll Free:  (Prompt
4). US job seekers can find more information about Unisys' EEO commitment here.