Ayan Basu
System Engineer L3 at Infosys
- Role
- System Engineer L3 at Infosys
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Ayan Basu
Systems Operations and Cloud & Infrastructure professional with 5+ years of…
Experience
System Engineer L3
Jun 2025 — Present · Bengaluru, IN
As part of the infrastructure engineering team, I provide advanced system administration and platform support across Linux, Windows, and cloud-integrated environments. My role focuses on maintaining secure and reliable systems, implementing automation, and collaborating with cloud and infrastructure teams for environment optimization.Key Responsibilities:Administer and maintain Linux servers for internal applications and environments, including user management, access permissions, log monitoring, and cron-based automation.Perform system patching, software installations, and performance tuning to ensure infrastructure stability and compliance.Manage Active Directory (AD) and Azure AD (Entra ID) for user provisioning, MFA configuration, and group policy management.Collaborate with cloud and network teams to monitor system availability, automate routine maintenance, and perform health checks for hybrid environments.Create and maintain Bash scripts to streamline system tasks such as log rotation, backup scheduling, and resource utilization alerts.Support O365, VPN (Cisco AnyConnect, GlobalProtect), and endpoint configurations ensuring connectivity and authentication reliability.Utilize ServiceNow for incident, change, and request management, ensuring SLA adherence and proper root-cause documentation.Work with monitoring tools such as CloudWatch and Azure Monitor for early detection of performance and resource anomalies.Maintain technical runbooks and knowledge articles to standardize system procedures and enable faster issue resolution.Environment & Tools:Linux (Ubuntu, RHEL)| Bash | Active Directory | Azure AD | O365 | VPN | ServiceNow | AWS (EC2, CloudWatch)| PowerShell | ITIL v4
Education
Maulana Abul Kalam Azad University of Technology, West Bengal (MAKAUT, WB)
Bachelor of Technology - BTech, COMPUTER SCIENCE ENGINEERING
2015 — 2019
St. Thomas High School Howrah
ISC, Pure Science
2013 — 2015
Oxford High School
ICSE, Pure Science
2007 — 2013
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