Senior Engineer - Linux Admin

3i Infotech Limited; Bengaluru; On-site; INR 600,000 - 900,000; Full time

Job summary

3i Infotech Limited in Bengaluru invites a Linux/Unix Support Engineer to join our global service desk. You will troubleshoot OS-level incidents, automate checks with shell/python, and collaborate with R&D teams to optimize development environments.

The role requires 3–5 years of hands-on Unix/Linux experience, RHCE preferred, and readiness for on-call shifts and rotations. Strong English communication is essential for global collaboration.

Qualifications

• Bachelor's degree in Computer Science/IT or related field.
• 3–5 years of hands-on Unix/Linux experience.
• RHCE certification preferred.

Responsibilities

• Troubleshoot and resolve Unix/Linux OS-level incidents and performance bottlenecks.
• Write and modify scripts (Shell, Python, or Perl) for automation and health checks.
• Provision virtual servers and manage user access; perform OS patching or upgrades.
• Analyze system logs to identify root causes and implement fixes.
• Monitor resources (CPU, memory, disk) and ensure security compliance.
• Collaborate with L3 IT teams to ensure high availability of production environments.
• Create and maintain SOPs and knowledge base articles for L1 teams.
• Support R&D software development teams to optimize working environments.
• L1 escalations and issue resolution after triage.

Skills

Analytical thinking

English communication

On-call readiness

Education

Bachelor's degree in Computer Science/IT

Tools

LVM

NFS

Autofs

DNS

FTP

VNC

Remote NX

Server hardening

LSF

Slurm

Job description

Linux/Unix support engineer

Responsibilities

• Supporting multiple geological locations in shifts to serve user communities across North America, Europe, and Asia sites.
• Focusing on improving R&D productivity and committing to customer success.
• Maintaining, enhancing, monitoring, reporting, and improving its efficiency.
• Troubleshoot and resolve escalated Unix/Linux OS-level incidents, performance bottlenecks, and service failures.
• Write and modify scripts (Shell, Python, or Perl) to automate routine maintenance and system health checks.
• Provision virtual servers, manage user access, configure file systems, and perform OS patching or upgrades.
• Analyze system and application logs to identify the root cause of complex errors and develop permanent fixes.
• Monitor system resources (CPU, memory, disk space) and maintain server hardening and security compliance.
• resolves complex system issues escalated by L1 teams.
• Create and maintain standard operating procedures (SOPs) and knowledge base articles to assist L1 teams
• collaborate with L3 IT teams across domains to ensure high availability and stability of production environments

Qualifications & Requirements:

• Bachelor's degree in Computer Science/IT OR related fields and typically 3-5 years of hands-on experience in Unix/Linux environments.
• Advanced Unix commands, LVM, NFS, Autofs, DNS, FTP, VNC, Remote NX and server hardening and RHCE certified preferred
• Basic / Proficiency in Shell Scripting (Bash), Python, or Perl.
• Strong analytical thinking, excellent English communication, and readiness for on-call and shift rotations.
• Experience working directly with R&D software development teams to collaboratively develop solutions to optimize their working environment
• Experience in HPC using LSF or Slurm

Contact:[e-mail]