Key Responsibilities:

1. Architecture & 32-bit to 64-bit Migration

a. Lead the technical planning, execution, and validation of migrating legacy 32-bit RHEL servers to up-to-date 64-bit RHEL OS environments.

b. Identify application dependencies, 32-bit system libraries, binary compatibilities, and utilities that require re-compilation, upgrading, or refactoring for 64-bit execution.

c. Design fallback mechanisms, minimal-downtime cutover plans, and post-migration validation checks.

2. Linux System Administration

a. Build, configure, optimize, and maintain production Red Hat Enterprise Linux environments.

b. Perform kernel tuning, swap/memory management, disk space provisioning (LVM), and resource optimization specifically tailored to 64-bit system capabilities.

c. Apply security hardening standards, manage software repositories (YUM/DNF), patch vulnerabilities, and execute routine OS updates.

3. MySQL Database Management & Migration

a. Support day-to-day MySQL database management, maintenance, backup, recovery, and indexing.

b.



Coordinate and execute live/offline data migrations, schema verifications, and engine upgrades for MySQL databases moving from 32-bit to 64-bit environments.

c. Ensure data integrity, character encoding consistency, and query optimization post-migration.

4. Automation & Maintenance

a. Script and automate repetitive system maintenance and migration tasks using Bash or Python.

b. Maintain comprehensive technical documentation, migration runbooks, and architectural diagrams.

Key Requirements:

a. Core Experience
: 3–6 years of hands-on experience in Red Hat Enterprise Linux system.

b. Architecture Understanding
: Strong understanding of x86 (32-bit) vs. x86_64 (64-bit) architecture differences, memory limits, pointer sizes, and library linkage dependencies.

c. Database Management
: Hands-on experience with
MySQL Administration
(mysqldump, physical restores, user privileges, replication, and performance tuning).

d. Computer Scienc

📌 Linux Systems Engineer (Pune Division)
🏢 requisimus, India
📍 Pune Division