Senior System Administrator (SSA)

Job Description

We are looking for a highly skilled Senior System Administrator (SSA) with strong expertise in Linux, High Availability (HA), Virtualization, Database Replication, and Networking. You will own production infrastructure end to end — from KVM virtualization and HA clustering to database replication, iSCSI storage, and load balancing — keeping enterprise hosting platforms fast, resilient, and always on.

Key Responsibilities

• Manage and maintain Linux-based production environments
• Configure, monitor, and troubleshoot High Availability (HA) solutions
• Deploy and manage KVM virtualization environments
• Configure and maintain MySQL Database Replication
• Implement and manage file replication using Lsyncd and OCFS2
• Configure and support Pacemaker, Heartbeat, and HA clustering solutions
• Deploy and maintain Managed High Availability solutions for KVM, databases, and iSCSI storage
• Administer Load Balancers and ensure high service availability
• Manage VMware environments (Managed VMware - i1)
• Configure and troubleshoot Acronis Backup solutions
• Diagnose database replication, storage, and networking issues
• Perform root cause analysis and provide permanent solutions for production incidents
• Work closely with internal teams to deliver reliable and scalable infrastructure solutions

Requirements

• Linux Administration (RHEL, CentOS, Ubuntu)
• KVM Virtualization
• High Availability (HA) Clustering with Pacemaker and Heartbeat
• MySQL and Database Replication
• OCFS2 Cluster File System and Lsyncd File Replication
• Managed High Availability Infrastructure, Databases, and iSCSI
• Load Balancers
• VMware Administration
• Acronis Backup and Disaster Recovery
• Strong Networking Fundamentals (TCP/IP, DNS, Routing, Firewall, VLANs)
• Storage Administration
• Shell Scripting (Preferred)

Preferred Qualifications

• Excellent troubleshooting and analytical skills
• Experience working in enterprise hosting or managed service environments
• Strong communication and documentation skills
• Ability to work independently in a fast-paced production environment
• Customer-focused mindset with a proactive approach to problem-solving

Why Join Us?

Work on enterprise-grade infrastructure and high-availability platforms with exposure to modern virtualization and cloud technologies. You will collaborate with a highly experienced technical team in an innovation-driven environment, with continuous learning and clear career growth. You can also reach us directly at [email protected].