System Administrator

3 weeks ago

Bengaluru, Karnataka, India ABI Health Full time

Job Title : System Administrator

Location : Bangalore

Experience : 2- 5 Yrs

Job Summary :

We are looking for a skilled and proactive System Administrator with expertise in Windows Server, RedHat/Ubuntu, and Fortigate Firewall management. The ideal candidate will be responsible for system monitoring, troubleshooting, patch management, user administration, and security configurations, ensuring high availability, performance, and compliance.

Key Responsibilities :

Windows Server & RedHat/Ubuntu Administration :

- Monitor OS status, perform basic troubleshooting, and initiate service restarts as needed.

- Execute VM rollouts, system upgrades, apply OS updates, and implement hardening measures.

- Manage complex OS/VM incidents, plan and execute migrations, and high-impact changes.

- Track patch releases, perform initial validation in staging environments.

- Review and approve patches, deploy on production systems, and troubleshoot post-deployment issues.

- Coordinate UAT testing, prepare detailed reports, and escalate unresolved issues.

- Assess impact and applicability of updates, track remediation progress.

- Design mitigation strategies and apply patches/configurations based on identified threat vectors.

- Administer Active Directory create user IDs, reset passwords, and update group policies.

- Troubleshoot authentication and replication issues, and manage policy configurations.

- Deploy and maintain domain controllers, implement and manage ADFS architecture.

Fortigate Firewall Administration :

- Monitor firewall logs and alerts, assist in rule verification.

- Perform policy changes, firmware, and application updates.

- Design, configure, and maintain advanced security rules and VPN & Skills :

- Strong experience in Windows Server and Linux (RedHat/Ubuntu) administration.

- Proficiency in virtualization platforms and patch management processes.

- Hands-on expertise with Active Directory, group policies, and ADFS.

- Knowledge of firewall administration, preferably Fortigate.

- Strong troubleshooting and analytical skills.

- Ability to handle high-impact changes and complex incident resolutions.

(ref:hirist.tech)

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