Linux Admin

Tata Consultancy Services; Irvine (CA); On-site; USD 110,000 - 135,000; Full time

Job summary

Tata Consultancy Services Limited seeks a Linux Admin to lead migration of Unix/Linux servers from onpremises data centers to AWS EC2. You will perform OS provisioning, patching, upgrades and implement OS hardening and security controls across environments.

The role requires 7+ years of Unix/Linux administration, 2-3 years on AWS, and experience supporting Java and .NET workloads, with hybrid cloud migration experience and strong scripting skills in Shell/Bash.

Qualifications

• In-depth knowledge of Linux OS installation, configuration, patching, upgrades and lifecycle management.

Responsibilities

• Lead migration of Unix/Linux servers from onpremises data centers to AWS EC2.
• Perform OS provisioning, configuration, patching and version upgrades on AWS-hosted instances.
• Implement OS hardening, security controls and compliance standards across environments.
• Support application deployments and troubleshoot OS-level issues for Java and .NET workloads.
• Coordinate with cloud, database and middleware teams during migration and cutover activities.
• Ensure system availability, performance and stability during migration and steady-state operations.
• Automate routine administration tasks using scripting and configuration best practices.
• Maintain system documentation, runbooks and operational procedures.

Skills

Linux/Unix administration

AWS Cloud

Security hardening

Scripting (Shell/Bash)

DevOps awareness

Hybrid cloud migration

CI/CD familiarity

Automation

Tools

AWS EC2

AWS EBS

AWS VPC

IAM

CloudWatch

Terraform

TIBCO

Job description

Linux Admin

Must Have Technical/Functional Skills

• In-depth knowledge of Linux OS installation, configuration, patching, upgrades and lifecycle management.
• Proven experience in OS hardening, security baselines, user management and access controls.
• Experience supporting enterprise applications running on Java and .NET platforms.
• Exposure to Data Center Exit or onpremises to public cloud migration programs.
• Good understanding of system performance tuning, troubleshooting and capacity planning.
• Knowledge of scripting (Shell, Bash) for automation and operational efficiency.
• Ability to work with database, middleware (TIBCO) and infrastructure teams.
• 7+ years of overall Unix/Linux administration experience with at least 2-3 years on AWS.
• Hands-on experience running Linux workloads on AWS EC2.
• Understanding of AWS services such as EC2, EBS, VPC, IAM and CloudWatch.
• Experience supporting hybrid environments during transition from onpremises to cloud.
• Familiarity with automation, Infrastructure as Code or configuration management tools is an advantage.
• Exposure to DevOps practices and CI/CD pipelines impacting OS-level operations.
• Experience working in large, mission-critical enterprise migration programs.
• AWS or Linux certifications are preferred.

Roles & Responsibilities

• Lead migration of Unix/Linux servers from onpremises data centers to AWS EC2.
• Perform OS provisioning, configuration, patching and version upgrades on AWS-hosted instances.
• Implement OS hardening, security controls and compliance standards across environments.
• Support application deployments and troubleshoot OS-level issues for Java and .NET workloads.
• Coordinate with cloud, database and middleware teams during migration and cutover activities.
• Ensure system availability, performance and stability during migration and steady-state operations.
• Automate routine administration tasks using scripting and configuration best practices.
• Maintain system documentation, runbooks and operational procedures.

Salary Range- $110,000-$135,000 a year

• Location Irvine, CA
• Function TECHNOLOGY
• Role Engineer
• ID 434822
• Skills Linix Admin
• Salary Range $110,000 - $135,000