Unix User Administrator

Overview:

TekWissen is a global workforce management provider throughout India and many other countries in the world. The below job opportunity is one of our clients which has been a one-stop solution for professional digital services.

Position: Unix User Administrator

Location: Remote

Job Type: Full Time

Work Type:Remote

Description:

• The Senior Unix User Administrator will manage user accounts, groups, privileges and access controls across the Bank's Unix/Linux infrastructure.
• The resource will ensure secure account lifecycle management, privileged access control, access reviews and compliance with Bank security and operational requirements.

Key Responsibilities:

• Manage Unix/Linux user lifecycle activities.
• Create, modify, disable and delete user accounts.
• Manage Unix/Linux groups and memberships.
• Configure file-system permissions and ACLs.
• Manage sudo and privileged access.
• Process access requests through approved workflows.
• Perform password resets and account unlocks.
• Manage SSH access and authentication configuration as applicable.
• Perform periodic user and privileged-access reviews.
• Identify dormant and unauthorized accounts.
• Support least-privilege implementation.
• Support segregation-of-duties controls.
• Troubleshoot Unix/Linux authentication and access issues.
• Support integration with Active Directory/LDAP where applicable.
• Coordinate with PAM, AD, Security and Application teams.
• Maintain audit evidence.
• Support compliance and audit activities.
• Prepare user-access and operational reports.
• Process incidents, service requests and changes through ITSM.
• Meet defined SLA and KPI requirements.
• Escalate complex infrastructure/security issues to L2/L3 teams.

Required Skills & Experience:

• 6 8 years of experience in Unix/Linux administration.
• Strong hands-on experience with enterprise Linux/Unix environments.
• Experience with Red Hat Enterprise Linux is preferred.
• Strong knowledge of:
  • Users and groups
  • File permissions
  • ACLs
  • Sudo
  • SSH
  • Authentication

• Good knowledge of shell scripting.
• Understanding of LDAP/AD integration.
• Experience with privileged-access environments.
• Knowledge of PAM concepts.
• Strong troubleshooting skills.
• Experience with ITSM processes.
• Experience with access review and compliance activities.

Preferred Certifications

• Red Hat Certified System Administrator (RHCSA)
• Red Hat Certified Engineer (RHCE)
• Linux Foundation certification
• ITIL 4 Foundation
• Security+ or equivalent

Soft Skills

• Strong troubleshooting and analytical capability.
• Security-conscious approach.
• Good communication skills.
• Strong documentation discipline.
• Ability to work independently.
• Strong ownership and accountability.
• Ability to work under strict SLA requirements.

Preferred Industry Experience

• Banking / BFSI
• Financial Services
• Telecom
• Government
• Large enterprise Unix/Linux environments

TekWissen Group is an equal opportunity employer supporting workforce diversity.