MANIGANDAN B
DevOps Engineer | Azure | CI/CD | Big Data Platforms
Professional Summary
DevOps Engineer with 4+ years of experience in enterprise platform, Big Data, and
production support environments. Strong in Azure DevOps, Jenkins, Linux operations,
Hadoop and Cloudera platforms, Ansible automation, Python and Bash scripting, and
observability engineering. Delivered measurable results including 50% faster releases,
35% lower alert noise, 99.8% pipeline success, and sustained 99.9% SLA uptime. Currently
supporting a Netherlands mortgage platform in Utrecht with earlier delivery experience in
Chennai, India. Visa sponsorship required.
Core Skills
- Cloud and DevOps: Azure DevOps, Jenkins, YAML pipelines, Git, release gates
- Big Data Platforms: Hadoop, Hive, Cloudera production support
- Linux Operations: RHEL, CentOS, patching, hardening, performance tuning
- Automation: Python, Bash, Ansible, AWX, PowerShell
- Monitoring: Grafana, Splunk, Dynatrace, Azure Monitor, Prometheus
- Infrastructure: Terraform, ARM templates, Microsoft Azure
- Production Support: Incident response, RCA, SLA adherence, postmortems
- Tools: ServiceNow, Git, SonarQube, HashiCorp Vault
- AI in Ops: Incident summaries, RCA drafting, runbook acceleration
Work Experience
Platform and DevOps Engineer | Infosys Limited
Jan 2022 - Present
Utrecht / Amersfoort, Netherlands (Current - 6 months onsite), Chennai, India (Earlier tenure)
- Owned production RHEL/CentOS workloads including patching, hardening, performance tuning, and lifecycle management across enterprise systems.
-
In the OPK project, built and improved CI/CD workflows for production data changes using Azure DevOps, Jenkins, and Ansible-based deployment automation.
-
Supported development teams for production changes, led on-call coordination, and maintained SLA adherence for critical business workloads.
-
Managed Linux platform operations across Ataccama and Cloudera ecosystems including Hadoop, covering node provisioning, patching, upgrades, and reliability improvements.
-
Built and maintained Terraform modules and executed plan/apply workflows for consistent Azure infrastructure provisioning.
-
Implemented Ansible-based configuration standardization and credential rotation, reducing manual configuration errors by 90%.
-
Automated repetitive operations using Python and Bash for health checks, log analysis, and alert workflows, reducing manual effort by 40% and saving 8+ FTE hours weekly.
-
Built observability capabilities with Grafana, Splunk, Dynatrace, and Azure Monitor, improving MTTD by 25% and MTTR by 18%.
-
Applied AI-assisted workflows for incident summarization and RCA first drafts, accelerating stakeholder communication and documentation quality during high-priority incidents.
-
Led incident handling, RCA documentation, remediation planning, and post-incident follow-through while maintaining 99.9% SLA uptime.
Highlighted Projects
-
Flagship Project - CI/CD Pipeline Optimization and Standardization: Solved inconsistent manual deployments across 8 environments by redesigning release workflows with Azure DevOps, Jenkins, Ansible, and Terraform. Impact: 50% faster release cycles, 99.8% pipeline success, 70% fewer drift-related incidents, and zero compliance violations across 18+ months.
-
Unified Observability Platform: Consolidated Grafana, Splunk, Dynatrace, and Azure Monitor into a single observability workflow for Linux production systems. Impact: 25% faster detection, 18% faster recovery, 35% lower alert noise, and sustained 99.9% SLA uptime.
-
Runbook Automation and Alert Correlation: Built Python and Bash automation with 12+ runbooks and integrated alert handling for repetitive operational events. Impact: 35% lower alert volume, 67% faster incident response, 45% better first-time resolution, and 8+ FTE hours saved weekly.
-
Hadoop and Cloudera Platform Support: Supported production Big Data operations across Ataccama and Cloudera environments, including upgrades, node provisioning, and workload stability improvements for SLA-sensitive systems.
Certifications
- Microsoft Certified: Azure Data Engineer Associate (DP-203), Sep 2023
- In progress: RHCSA and Azure Administrator (AZ-104)
Education
- MBA, Business Administration (Operations and Technology Management), 2022-2024
- B.Sc, Mathematics, 2018-2021
Languages
- English (Professional), Tamil (Native), Dutch (Beginner)
Activities and Interests
- Hobbies: Trekking, swimming, cycling, and dog training.
-
National Cadet Corps (NCC): Participated for nearly 3 years (2018-2021), attending 12
camps including Army and trekking camps.