Lead Linux/Unix Administrator

Infosys•Memphis, TN

18h

About The Position

Infosys is seeking a Lead Linux/Unix Administrator . The role requires deep technical expertise, strong troubleshooting skills, automation mindset, and the ability to work closely with architects, application teams, and customers. Required Skills: Candidate must be located within commuting distance of Memphis, TN or be willing to relocate to the area. This position may require travel in the US. Bachelor’s degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education. At least 7 years of Information Technology experience. At least 6 years of experience in Linux Administration and support. End‑to‑end administration of Linux and Unix systems in large enterprise environments Installation, configuration, upgrade, patching, and lifecycle management of Linux/Unix servers Manage OS platforms such as RHEL, Oracle Linux, SUSE, Ubuntu, and Unix variants (Solaris / AIX / HP‑UX as applicable) Perform kernel tuning, performance optimization, and capacity planning Strong expertise in troubleshooting production issues related to CPU, memory, disk, filesystem, and network Develop and maintain shell scripts (Bash/KSH) for automation and operational efficiency Hands‑on experience with configuration management and automation tools (Ansible preferred) Work on incident, problem, change, and request management in ITIL‑based environments Participate in 24x7 on‑call and critical incident bridges when required Collaborate with application teams, DB teams, network teams, and customers Mentor junior engineers (L1/L2/L3) and provide technical guidance Contribute to migration, modernization, and transformation initiatives Candidates authorized to work for any employer in the United States without employer-based visa sponsorship are welcome to apply. Infosys is unable to provide immigration sponsorship for this role at this time. Preferred Skills: Manage filesystems and storage technologies (LVM, VxVM, ZFS, NFS, SAN/NAS integrations) Implement security hardening, user/group management, sudo policies, and audit compliance Support virtualization and cloud environments (VMware / Oracle VM / Linux virtualization) Good Communication and Analytical skills The job entails sitting as well as working at a computer for extended periods of time. Should be able to communicate by telephone, email or face to face. Travel may be required as per the job requirements.

Requirements

Candidate must be located within commuting distance of Memphis, TN or be willing to relocate to the area. This position may require travel in the US.
Bachelor’s degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
At least 7 years of Information Technology experience.
At least 6 years of experience in Linux Administration and support.
Strong expertise in troubleshooting production issues related to CPU, memory, disk, filesystem, and network
Hands‑on experience with configuration management and automation tools (Ansible preferred)
Candidates authorized to work for any employer in the United States without employer-based visa sponsorship are welcome to apply. Infosys is unable to provide immigration sponsorship for this role at this time.

Nice To Haves

Manage filesystems and storage technologies (LVM, VxVM, ZFS, NFS, SAN/NAS integrations)
Implement security hardening, user/group management, sudo policies, and audit compliance
Support virtualization and cloud environments (VMware / Oracle VM / Linux virtualization)
Good Communication and Analytical skills

Responsibilities

End‑to‑end administration of Linux and Unix systems in large enterprise environments
Installation, configuration, upgrade, patching, and lifecycle management of Linux/Unix servers
Manage OS platforms such as RHEL, Oracle Linux, SUSE, Ubuntu, and Unix variants (Solaris / AIX / HP‑UX as applicable)
Perform kernel tuning, performance optimization, and capacity planning
Develop and maintain shell scripts (Bash/KSH) for automation and operational efficiency
Work on incident, problem, change, and request management in ITIL‑based environments
Participate in 24x7 on‑call and critical incident bridges when required
Collaborate with application teams, DB teams, network teams, and customers
Mentor junior engineers (L1/L2/L3) and provide technical guidance
Contribute to migration, modernization, and transformation initiatives