Systems Administrator III (Linux)

Join Our Team as a Systems Administrator

We are a leading company in the technology sector, committed to innovation and excellence in IT solutions. We are seeking a highly skilled and experienced Systems Administrator to join our dynamic team. This role offers the opportunity to work with cutting-edge technology in a collaborative and growth-oriented environment.

Role Overview

As a Systems Administrator, you will be responsible for the installation, configuration, administration, maintenance, and troubleshooting of Linux operating systems and AWS cloud infrastructure within our business environment.

Key Responsibilities

• Install, configure, and maintain various Linux distributions including RHEL, Oracle Linux, Amazon Linux, and Ubuntu.
• Leverage your strong background in Linux/Unix administration to automate and optimize infrastructure operations.
• Utilize AWS services such as EC2, S3, VPC, Elastic Load Balancer, and more to design and maintain cloud infrastructure.
• Troubleshoot and resolve issues related to Linux servers, AWS services, hardware, applications, and networking.
• Optimize performance and configurations for specific workloads on Linux servers and AWS compute/storage.
• Administer disk management, LVM, NFS, SAN/NAS, and troubleshoot filesystem and storage issues.
• Perform OS patching, kernel updates, and manage vulnerability remediation.
• Configure and troubleshoot LDAP, user access, and Linux security controls.
• Automate routine tasks using tools like Bash, Python, Ansible, Puppet, Terraform, or CloudFormation.
• Analyze crash/kernel dumps using KDUMP and determine root causes.
• Manage firewalls and troubleshoot connectivity issues.
• Experience with Red Hat Satellite Server, repository management, and subscription management.
• Monitor systems using SNMP and AWS CloudWatch, including logs, metrics, and event-based alerting.
• Handle Linux backup, snapshots, AWS Backup, and disaster recovery support.
• Manage VMware vSphere Client for virtual server builds and template customization.
• Coordinate with vendors and manage hardware knowledge on HP ProLiant, Dell PowerEdge, and more.
• Troubleshoot mail issues using mailx, sendmail, and related utilities.
• Support AWS governance, including tagging standards, resource management, and cost optimization.
• Mentor junior administrators, create runbooks/SOPs, and maintain documentation.

Qualifications

• Relevant 7yrs technical experience in corporate IT operations or Data Center environments.
• Independent problem solver with strong documentation abilities.
• Experience in Linux servers, AWS cloud infrastructure, backup, storage, patching, virtualization, monitoring, and security operations.
• Knowledge of ITIL processes and implementation.
• Experience in process improvement and operational automation.
• Excellent communication and relationship-building skills.
• Server build experience across virtual, physical, and cloud platforms.
• Knowledge of other Unix flavors such as Solaris and HP-UX.
• Preferred certifications: RHCSA/RHCE, AWS Certified SysOps Administrator, AWS Certified Solutions Architect, AWS Security Specialty, ITIL Foundation.

If you are driven by continuous improvement and thrive in a fast-paced environment, we encourage you to apply and join our team of experts.