Vivekanandhan S.-DevOps Consultant/Site Reliability Engineer
Check rate
Experience
DevOps Consultant/Site Reliability Engineer
IONOS
- Manage multiple Kubernetes clusters in Production with Ceph as storage layer.
- Implemented CICD pipelines for automating deployments with Gitlab CI
- Terraform for Infrastructure provisioning.
- Claude code
- Helm charts for deploying via ArgoCD
- Implemented automated incident notification pipelines in Kubernetes to align with NIS2 mandatory 24-hour early warning disclosure rules
- Configured Azure Policy and Logging guardrails aligned with BSI IT-Grundschutz (SYS.1.3 / OPS.1.1), ensuring continuous baseline compliance across 50+ cloud workloads
Environment: Gitlab CI, IONOS Cloud, Ceph, ArgoCD, terraform, Elastic cluster, Grafana, Alert Manager & Prometheus
DevOps Consultant
credativ GmbH
Customer: Next Kraftwerke
- Manage multiple Kubernetes clusters with Rancher as management layer.
- Build on-prem Kubernetes cluster with Kubespray (ansible) & Gitlab CI
- Troubleshooting and improvement of platform.
- Evaluated & Managed OpenShift (Installation & Administration)
- Gitlab CI, Ansible, Helm & ArgoCD used for deployment and running the clusters in GitOps framework.
- Manage Kubernetes storage with Longhorn & vSphere CSI
- Create terraform modules for projects in Azure and AWS to provision resources.
- Manage access control of AWS cloud resources with policies and integrate with Azure Entra.
- Engineered automated AWS IAM role-mapping via Terraform to satisfy ISO 27001 (A.9 Access Control) requirements, passing internal audit with 0 non-conformities.
- Set up and manage AWS Organization and Identity Center.
- Compliance as code – Terraform & Checkov
- Compliance tools: AWS GuardDuty, Azure Policy, IAM, CloudTrail
- Administration of EKS and AKS clusters.
- Shell scripting
Environment: Rancher, Gitlab CI, AWS, Azure, ArgoCD, Ansible, terraform, Open telemetry, Grafana & Prometheus
Systems Engineer
Spryker
Support e-commerce platform
- Prepare and update terraform modules to implement Spryker e-commerce platform in AWS.
- Troubleshooting AWS ECS clusters.
- New Relic used for monitoring.
- CICD - Gitlab
Environment: Terraform, AWS & Shell-script.
DevOps Consultant
OmniIT GmbH
Customer: ProSiebenSat1
- Acting as a Lead Consultant and responsible for setting up Bigdata platform with Cloudera Hadoop.
- Manage AWS cloud resources. (EC2 & RDS)
- Implement Kubernetes clusters for running Graylog & monitoring tools – Prometheus & Grafana.
- AWS IAM & Linux administration.
- Responsible for operational issues in Hadoop platform.
- Working on logging solutions like Graylog & ELK.
- CICD tool – Gitlab & GitHub actions
Environment: Hadoop, Apache Spark, Graylog, AWS, Kubernetes & Terraform
Infrastructure Architect/Consultant – Unix/Linux/Cloud/DevOps
Wipro Limited
Customer: RWE & E. ON
- Performed multiple roles in managing Hortonworks Hadoop clusters and migrating on premises applications to AWS & Azure cloud
- Setup Hadoop clusters on premise and managed Hadoop operations. (Germany and UK)
- Consolidated on-premises applications to migrate from DC to Cloud.
- Setting up base infrastructure in AWS & Azure by integrating into existing services in DC.
- Used terraform in creating resources (AWS & Azure)
- Linux administration. (SUSE & RedHat)
Environment: Hortonworks Hadoop, AWS, Azure & Terraform.
Customer: RSA Insurance, UK
- Setup Datastax Cassandra & Hadoop clusters.
- Day to day administration of Linux servers.
- Support Cassandra & Hadoop platform.
- Shell scripting.
- Provisioning AWS resources.
Environment: Cassandra, Hadoop, Linux and AWS.
Customer: Credit Suisse, Switzerland
- Lead team of 8 memebrs.
- Production support
- Day to day administration of Solaris servers.
- Strictly adhering to Banking regulations when performing support.
- 24/7 support
Environment: Solaris Administration & Production Support
Customer: Multiple (India, UK, Ireland & Germany)
- Support DC Operations
- Production support for servers and applications with strict SLAs.
- Unix & Linux administration.
- Support proprietary Unix flavours like Solaris, AIX and HP-UX
- Scripting
- Administration of Veritas clusters.
Environment: Unix/Linux Administration – RedHat, SUSE, Ubuntu, AIX, Solaris & HP-UX
System Engineer
IBM India
Customer: IBM hosting services USA & EMEA
- AIX server production support
- Performing critical changes during out of office hours without any business impact.
- Manage storage administration in the host.
- Migrating from one storage to other storage. (example – EMC to Hitachi)
HP India
System Engineer
IBM India
Customer: IBM hosting services USA & EMEA
- AIX server production support
- Performing critical changes during out of office hours without any business impact.
- Manage storage administration in the host.
- Migrating from one storage to other storage. (example – EMC to Hitachi)
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Energy, Banking and Finance, Insurance, Utilities, Information Technology, and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Operations.
Summary
- Around 20 years of experience in IT infrastructure services covering on-premises & cloud. Last 7 years in DevOps/cloud engineering with focus on platform engineering.
- Experienced in building highly available Kubernetes clusters both on-premises (Rancher & OpenShift) as well as in cloud (AKS & EKS). Handling containerization (Docker) of microservices.
- Gardener (Kubernetes)
- Experienced in running production-grade Kubernetes in IONOS cloud.
- Experienced in managing IONOS cloud resources and network.
- ArgoCD is the tool used for GitOps. Experienced with tools like Graylog, Ioki, Grafana & Prometheus.
- Implement RBAC policies.
- Experienced in Kyverno policy implementation.
- Compliance frameworks - ISO/IEC 27001, BSI IT-Grundschutz, NIS2, GDPR (DSGVO)
- Hands-on experience translating ISO 27001, BSI IT-Grundschutz, and NIS2 compliance frameworks into automated Infrastructure-as-Code (IaC) guardrails and audit-ready architectures
- SOC 2 Type II: Trust services criteria for cloud data security.
- CIS Benchmarks: Secure configuration guidelines for cloud environments.
- Automated scanning – Checkov/TFLint
- Keycloak (Identity management)
- Good knowledge of CSI and CNI.
- Ansible & Terraform used for provisioning and configuration management.
- CI/CD tools – GitLab & GitHub Actions
- Hands-on experience in using AI-assisted tools like Claude Code.
- Experienced in creating AI agents to automate tasks.
- Have good experience in Identity and Access Management in cloud (AWS & Azure)
- Good knowledge of OAuth & OIDC.
- Experienced in conducting workshops (trainings) on Docker, Kubernetes and AWS.
- Strong system administration experience on Linux – Ubuntu, Debian, SUSE & Red Hat.
- Experience in scripting with Bash, Python & Go.
- Experienced in managing DBs like MongoDB, Postgres & MariaDB
- Architected two Hadoop Data Lake solutions with Hortonworks ecosystem components. Knowledge of Kafka, Apache Spark
Languages
Education
Annamalai University
Bachelor of Engineering · Electronics and Instrumentation · India
Certifications & licenses
Certified Argo Project Associate - CAPA
Cloudera Certified Administrator for Apache Hadoop (CCAH)
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Vivekanandhan is based in Augsburg, Germany.
Vivekanandhan speaks the following languages: English (Advanced).
Vivekanandhan has at least 22 years of experience. During this time, Vivekanandhan has worked in at least 5 different roles and for 7 different companies. The average length of individual experience is 3 years and 8 months. Note that Vivekanandhan may not have shared all experience and actually has more experience.
Based on recent experience, Vivekanandhan would be well-suited for roles such as: DevOps Consultant/Site Reliability Engineer, DevOps Consultant, Systems Engineer.
Vivekanandhan's most recent position is DevOps Consultant/Site Reliability Engineer at IONOS.
In recent years, Vivekanandhan has worked for IONOS, credativ GmbH, Spryker, and OmniIT GmbH.
Vivekanandhan is most experienced in industries like Energy, Banking and Finance, and Insurance. Vivekanandhan also has some experience in Utilities, Information Technology, and Media and Entertainment.
Vivekanandhan is most experienced in business areas like Information Technology and Operations.
Vivekanandhan has recently worked in industries like Information Technology, Energy, and Media and Entertainment.
Vivekanandhan has recently worked in business areas like Information Technology and Operations.
Vivekanandhan holds a Bachelor in Electronics and Instrumentation from Annamalai University.
Vivekanandhan has 5 certificates. Among them, these include: AWS certified Solutions Architect – Associate, AWS certified SysOps Administrator, and Certified Argo Project Associate - CAPA.
Vivekanandhan will be available full-time from November 2026.
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Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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