Yoganand Nandakumar
Chennai,India
Summary
Experienced Principal Infrastructure Engineer with 13+ years of hands-on expertise in Linux/Unix administration, infrastructure automation, and system compliance. Proven track record in data center migrations, cross-platform scripting, and cloud transformation across large-scale enterprise environments. Adept in DevOps, security compliance (SOX), and disaster recovery planning with a passion for continuous improvement and technical mentoring.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Principal Infrastructure Engineer
Ingram Micro SSC Pvt Ltd
11.2023 - Current
- Directed full-cycle datacenter migrations with detailed step-by-step documentation and adherence to project timelines
- Led enterprise-wide user account audits and remediation, disabling unauthorized root access across 1000+ Linux servers.
- Developed robust cross-platform automation scripts for Ubuntu, Debian, and AIX, improving logging, scheduling, and error handling.
- Automated NTP monitoring with self-healing and reporting logic.
- Authored 50+ Knowledge Base articles to standardize patching, compliance, and DR workflows.
- Supported secure Kubernetes image rollouts, SSL monitoring, and auto-renewals.
Senior Professional
Ingram Micro SSC Pvt Ltd
07.2022 - 11.2023
- Automated over 50+ shell scripts for compliance audits, provisioning, password policy enforcement, and dormant user detection.
- Designed centralized temporary root access automation using API parsing, time conversion, and duplicate prevention logic.
- Streamlined SOX reporting across Linux, AIX, and Solaris by integrating dynamic server list handling and validation.
- Created scripts to identify misconfigurations and enforce PAM compliance.
Senior Unix Administrator (L3)
Standard Chartered Bank
01.2016 - 07.2022
- Spearheaded large-scale Red Hat patching on 5000+ Linux servers, including CVE remediation and major OS upgrades.
- Led complex data center and NAS migrations involving 1000+ servers with zero business downtime.
- Built automation pipelines using ansible, run-deck, and Python to handle account provisioning, security, and server health.
- Ensured DR readiness and performed OAT testing, audit remediation, and user de-provisioning workflows.
- Implemented Veritas Cluster failover procedures and provided L3 support for high-priority incidents.
Technical Specialist
Standard Chartered Bank
03.2013 - 01.2016
- Maintain and support Unix servers (Solaris/Linux) in physical and virtual environment
- Basic storage administration (Lun allocation, Zoning, filesystem expansion etc.)
- Manage daily and weekly system backups (Legato/Netbackup)
- Work with vendors to address hardware and/or operating system issues
- Knowledge with system monitoring, performance troubleshooting and OS tuning
- Experience with the Remedy ticket creating infrastructure changes to make infra level changes based on proactive monitoring
- Perform level 2 troubleshooting of any issues by using monitoring products like BMC patrol, Truesight
- Performing Server OAT testing and validate the results
- Assist in performing routine capacity planning, generate utilization and performance reports, and maintain documentation
- Design/implement UNIX systems and network configurations for optimum performance along with troubleshooting and problem resolutions
- Provide operations support including access and account management, workflow, log analysis, troubleshooting and service optimization
Senior Analyst
Maples ESM Technologies
12.2011 - 03.2013
- Work with application teams and other IT support personnel to coordinate system software changes and support changes
- Perform hardware, operating system, security and application updates/patches on these systems
- Perform Disaster Recovery and Business Continuity planning and testing
- Manage UNIX account maintenance including additions, changes, and removals
- Responding to tickets through our ticketing systems
- Forecast and proactively recommend strategic hardware and software upgrades or replacements when service statistics indicate upcoming unsatisfactory performance levels
- Attend any high priority blockers for business immediately in any of the environment
Education
Bachelor of Engineering - Computer Science
Meenakshi College of Engineering
Chennai01.2011
Skills
- Platforms: RHEL, Ubuntu, Debian, AIX, Solaris, SUSE, CentOS
- Automation: Shell Scripting, Ansible, Python
- DevOps & Tools: Git, Docker, Kubernetes, SaltStack, , Rundeck
- Cloud Platforms: AWS, GCP, Azure
- Clustering: Veritas Cluster Server (VCS), Pacemaker
- Virtualization: VMware, KVM
- Monitoring & Security: Solarwinds,Grafana,BMC Truesight, NTP monitoring
- Certifications: RHCSA, RHCE
Certification
- RHCA
- RHCSE
Languages
English
Tamil
Timeline
Principal Infrastructure Engineer
Ingram Micro SSC Pvt Ltd
11.2023 - Current
Senior Professional
Ingram Micro SSC Pvt Ltd
07.2022 - 11.2023
Senior Unix Administrator (L3)
Standard Chartered Bank
01.2016 - 07.2022
Technical Specialist
Standard Chartered Bank
03.2013 - 01.2016
Senior Analyst
Maples ESM Technologies
12.2011 - 03.2013
Bachelor of Engineering - Computer Science
Meenakshi College of Engineering
ADDITIONAL DETAILS
- Date of Birth: 1989-12-27 | Nationality: Indian
- Marital Status: Married
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