Linux Administrator

About Position:We are seeking an experienced Senior Linux & AWS Administrator to lead the administration, maintenance, and optimization of enterprise infrastructure across hybrid cloud environments. The ideal candidate will have strong expertise in Linux server administration, AWS cloud services, infrastructure automation, and enterprise system management. This role is responsible for ensuring high availability, security, scalability, and operational excellence across cloud and on-premises platforms while supporting critical business applications and infrastructure services.Role: Linux Administrator Location: All Persistent LocationsExperience: 6 to 9 YearsJob Type: Full Time Employment

What You'll Do

Administer, maintain, and support enterprise Linux server environments including RHEL, Ubuntu, and CentOS.Design, deploy, and manage AWS cloud infrastructure services including EC2, S3, VPC, IAM, RDS, FSx, Route 53, and related services.Implement and manage hybrid cloud connectivity between on-premises data centers and AWS environments using VPN and Direct Connect solutions.Perform infrastructure capacity planning, resource optimization, and performance tuning activities.Monitor server, storage, and cloud infrastructure health to ensure high availability and operational stability.Troubleshoot complex Linux, cloud, virtualization, storage, and network-related issues.Manage Active Directory services, Group Policy (GPO), DNS, DHCP, and enterprise identity management solutions.Administer Windows Server and Linux operating systems within hybrid environments.Lead enterprise-wide patch management and vulnerability remediation activities across Linux and Windows platforms.Implement cloud security best practices through IAM policies, security groups, access controls, and governance frameworks.Optimize AWS infrastructure utilization and implement cost-management strategies including reserved instances and right-sizing.Develop and maintain infrastructure automation using PowerShell, Bash, Python, Terraform, Ansible, or similar technologies.Support infrastructure provisioning, configuration management, and Infrastructure as Code (IaC) initiatives.Conduct root cause analysis for critical incidents and implement preventive actions.Collaborate with application, database, security, and network teams to support enterprise services.Create and maintain technical documentation, operational procedures, and knowledge repositories.Mentor junior administrators and provide technical guidance for infrastructure operations and cloud adoption initiatives.Support business continuity, disaster recovery, backup, and infrastructure resilience programs.Expertise You'll Bring:6 to 9 years of experience in Linux Administration, Oracle Database Administration, and Production Support.Strong hands-on expertise in Linux operating systems such as Red Hat Enterprise Linux (RHEL), CentOS, Oracle Linux, or similar platforms.Extensive experience with Oracle Database administration, monitoring, backup, recovery, patching, and troubleshooting.Strong proficiency in SQL and PL/SQL development, query optimization, and troubleshooting.Experience with Shell Scripting for automation, monitoring, and operational support activities.Knowledge of Linux server performance tuning, resource management, and capacity planning.Experience in incident management, problem management, and root cause analysis.Familiarity with database backup and recovery processes using Oracle recovery tools and methodologies.Experience supporting business-critical applications in enterprise production environments.Strong understanding of system monitoring, logging, and performance management tools.Knowledge of high-availability and disaster recovery concepts.Experience working with change management and release management processes.Strong troubleshooting and analytical problem-solving capabilities.Excellent communication and stakeholder management skills.Ability to work independently and effectively within cross-functional support teams.

Benefits

Competitive salary and benefits packageCulture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certificationsOpportunity to work with cutting-edge technologiesEmployee engagement initiatives such as project parties, flexible work hours, and Long Service awardsAnnual health check-upsInsurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parentsValues-Driven, People-Centric & Inclusive Work Environment:Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.We support hybrid work and flexible hours to fit diverse lifestyles.Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employmentLet's unleash your full potential at Persistent - persistent.com/careers"Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind."