Software Engineer-Operating Systems

Job description

Role & responsibilities Job Title System Engineer / Linux & Database Support Engineer Location Bangalore (Work from office) Role Summary We are seeking a skilled professional with strong expertise in Operating Systems, SQL databases, and Linux environments to manage, maintain, and optimize system performance, database operations, and infrastructure reliability. Key Responsibilities Linux & OS Administration • Install, configure, and maintain Linux servers (RedHat, CentOS, Ubuntu, etc.) • Perform system monitoring, performance tuning, and troubleshooting • Manage user access, file systems, permissions, and system security • Handle OS-level patching, upgrades, and vulnerability fixes • Monitor system logs and proactively resolve issues Database (SQL) Management • Write and optimize SQL queries (joins, indexing, procedures) • Perform database monitoring, backup, and recovery operations • Troubleshoot performance issues and optimize database performance • Support database deployments, patches, and upgrades • Work with relational databases like MySQL / PostgreSQL / SQL Server / Oracle Application & Production Support • Provide L2/L3 support for production issues • Analyze logs and debug application/system issues • Coordinate with developers and infrastructure teams for resolution • Ensure high availability and uptime of systems Automation & Scripting • Develop shell scripts for automation (Bash/Shell scripting) • Automate repetitive system and database tasks • Improve operational efficiency through scripting Monitoring & Incident Management • Use monitoring tools (Nagios, Splunk, Prometheus, etc.) • Respond to alerts and resolve incidents within SLA • Participate in on-call rotations (if required) Required Skills Must-Have Skills: • Strong knowledge of Linux/Unix operating systems • Proficiency in SQL (queries, stored procedures, performance tuning) • Experience in shell scripting (Bash) • Understanding of OS concepts: memory, processes, threads, I/O, networking • Hands-on troubleshooting skills Good-to-Have Skills: • Knowledge of cloud platforms (AWS/Azure/GCP) • Exposure to DevOps tools (Docker, Kubernetes, CI/CD pipelines) • Familiarity with ITIL processes (incident/change management) • Experience with monitoring/logging tools • Basic networking knowledge (TCP/IP, DNS, ports) Preferred candidate profile Immediate Joiner All 5 days work from office 24\\*7 shift