Linux Admin

Strong hands‑on experience administering Unix/Linux systems, primarily RHEL 7, RHEL 8 and RHEL 9.

• 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 on‑premises 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 Cloud Watch.
• Experience supporting hybrid environments during transition from on‑premises to cloud.
• Familiarity with automation, Infrastructure as Code or configuration management tools is an advantage.
• Exposure to Dev Ops practices and CI/CD pipelines impacting OS-level operations.
• Experience working in large, mission‑critical enterprise migration programs.
• AWS or Linux certifications are preferred.

Lead migration of Unix/Linux servers from on‑premises 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.

Role:
Linux Admin

Location:
Irvine, CA

Full Time

Linux Admin
Must Have Technical/Functional Skills Strong hands‑on experience administering Unix/Linux systems, primarily RHEL 7, RHEL 8 and RHEL 9.

• 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 on‑premises 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 Cloud Watch.
• Experience supporting hybrid environments during transition from on‑premises to cloud.
• Familiarity with automation, Infrastructure as Code or configuration management tools is an advantage.
• Exposure to Dev Ops 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 on‑premises 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.

Database Administrator