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L2 -L3 Support Engineer (Standard)

L2 -L3 Support Engineer (Standard)

Infogain

5 - 6 years

7 - 8 Lacs

noida

Posted:1 week ago| Platform:

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Skills Required

linux networking ldap postgresql mysql dns php apache dhcp system administration

Work Mode

Work from Office

Job Type

Full Time

Job Description

Worked in Operating Systems: RHEL, CentOS, Ubuntu, Debian, SUSE Networking: IP addressing, DNS, DHCP, Routing Servers & Services: Apache, Nginx, MySQL, PostgreSQL, Samba, NFS, SSH Monitoring Tools: Nagios, Zabbix, Prometheus Security & Authentication: SSSD, LDAP, Kerberos Version Control & CI/CD: Git, SVN, Basic Jenkins knowledge

Key Responsibilities:

1. System Administration & Maintenance

Perform daily health checks (CPU, memory, disk usage, logs).

Manage user accounts, groups, and access permissions.

Handle system startup/shutdown, file system management (LVM, RAID).

Ensure server uptime and proactive monitoring.

2. Incident Management (L1 Support)

Troubleshoot boot failures, performance degradation, and network issues.

Analyze system logs (Syslog, Journalctl, Dmesg) for issue identification.

Restart essential services (Apache, Nginx, MySQL, SSH, etc.).

Reset passwords, unlock accounts, and manage security settings.

Escalate critical issues to L3 teams.

3. Patch Management & Security

Apply OS patches and security updates (YUM, APT, DNF).

Configure and manage firewalls (iptables, firewalld, UFW) and SELinux/AppArmor.

Conduct vulnerability scans and enforce security best practices.

4. Critical Services & Dev Team Collaboration

Set up and manage LAMP servers (Linux, Apache, MySQL, PHP) for development teams.

Configure Git, SVN repositories for version control.

Work closely with developers to support deployments and infrastructure needs.

EXPERIENCE

4.5-6 Years

SKILLS

Primary Skill: Cloud System Engineer
Sub Skill(s): Cloud System Engineer
Additional Skill(s): Linux Server, Cloud System Administrator, Cloud System Engineer, Cloud VDI Administrator, AWS-Infra, Managed Services-Linux, Azure-Infra, Computer Fundamentals

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