L2 -L3 Support Engineer (Standard)

7 days ago

Noida, India Infogain Full time

Roles & Responsibilities
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

  • 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.
  • 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.
  • 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.
  • 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

About The Company
Infogain is a human-centered digital platform and software engineering company based out of Silicon Valley. We engineer business outcomes for Fortune 500 companies and digital natives in the technology, healthcare, insurance, travel, telecom, and retail & CPG industries using technologies such as cloud, microservices, automation, IoT, and artificial intelligence. We accelerate experience-led transformation in the delivery of digital platforms. Infogain is also a Microsoft (NASDAQ: MSFT) Gold Partner and Azure Expert Managed Services Provider (MSP).

Infogain, an Apax Funds portfolio company, has offices in California, Washington, Texas, the UK, the UAE, and Singapore, with delivery centers in Seattle, Houston, Austin, Kraków, Noida, Gurgaon, Mumbai, Pune, and Bengaluru.

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