Nishi Sheeba S

DevOps Engineer and Systems Administrator with 3+ years of experience supporting enterprise-scale Linux environments, production systems, and IT operations at Tata Consultancy Services, serving IKEA as the primary client. Skilled in system administration, automation, monitoring, and incident management across hybrid infrastructure environments. Strong experience in Ansible-based automation, Python/Bash scripting, and ITSM workflows using ServiceNow and Jira.

Familiar with AWS (EC2, S3) and actively pursuing Kubernetes (CKA). Proven ability to maintain system reliability, reduce operational issues through automation, and support 24/7 production environments.

Canadian Permanent

Resident authorized to work without sponsorship.

System Engineer and DevOps Engineer - Tata Consultancy Services

(2021-06 - 2024-08)

Client: IKEA

• Managed and supported enterprise-scale Linux infrastructure (400+ servers) across IKEA's production and non-production environments, maintaining 99.9%+ system availability in a managed services setup.
• Led incident management and root cause analysis (RCA) for Oracle WebLogic Server and Apache Tomcat environments, reducing mean time to resolution (MTTR) by ~30% and improving overall service stability.
• Automated SSL certificate lifecycle management across 400+ servers using Ansible and Bash, cutting manual effort by 40% and eliminating deployment errors.
• Designed and implemented monitoring and alerting systems for CPU, memory, disk, and application health, enabling proactive issue detection and reducing critical incidents by ~25%.
• Handled end-to-end ITSM processes using ServiceNow and Jira, consistently meeting SLA targets (>95% compliance) across incidents, changes, and service requests.
• Developed automation scripts (Python and Bash) to streamline routine system administration tasks, reducing manual workload by ~35% and improving operational efficiency.
• Provided 24/7 on-call production support, resolving high-priority incidents and ensuring near-zero downtime for business-critical applications.
• Awarded Star Performer of the Month (2x) and recognized on the TCS Wall of Fame for delivering measurable improvements in automation and operational reliability.

Bachelor of Engineering - Velammal Institute of Technology (2017-08 - 2021-04)