Ganesh Boyilla

T-cloud Self service Palform:

Streamlining and Deployment of Self-Service Components of T-cloud. T-Cloud is a private cloud-native computing platform designed, built, and operated by T-Mobile, hosted on OpenShift, to facilitate robust containerized deployments with self-service capabilities for developers and operations teams.

Responsibilities:

• Deployed and optimized Strapi CMS for content management and Novu for real-time notifications, integrating both into the T-Cloud self-service ecosystem using Helm charts.
• Streamlined the T-Cloud self-service ecosystem, including the dashboard, GraphQL APIs, and backend services for CaaS, IAM, cost analysis, and network management.
• Automated deployment pipelines with GitLab CI/CD and ArgoCD (GitOps), integrated with Docker and Kubernetes, ensuring secure, reliable, and auditable deployments.
• Designed and maintained Kubernetes manifests (deployments, services, ingress, config maps) with RBAC and network policies to secure multi-tenant operations.
• Built modular Helm charts supporting multi-environment deployments (dev, stage, prod) on OpenShift on-prem infrastructure, tailored to T-Mobile’s enterprise requirements.
• Configured OpenShift-specific components such as routes, persistent volumes, and resource quotas to ensure high availability and efficient resource use.
• Provisioned and managed OpenShift clusters using Terraform Enterprise (TFE), automating deployments and enforcing compliance with policy-as-code.
• Developed and managed Kubernetes controllers and health checks (liveness/readiness probes) for resilient microservices.
• Integrated Vault (secrets management), CyberArk (privileged access management), and ArgoCD (GitOps) into CI/CD pipelines to strengthen security in automated workflows.
• Implemented OpenTelemetry for distributed tracing and metrics, integrated with Prometheus, Grafana, and New Relic for end-to-end observability.
• Enhanced operational visibility by connecting GraphQL APIs to the React-based T-Cloud dashboard for real-time analytics and data visualization.
• Reduced deployment times and improved reliability through advanced rollout strategies (canary, blue-green) and workflow automation tailored to enterprise-scale operations.

CSF - Any Cloud Integration and Certification:

Any Cloud product is not delivered as a platform with base services, but instead allows customers to select from several Nokia provided Common Services to deploy in any cloud provider’s Kubernetes cluster service, also referred to as Container as a Service (CaaS). Implemented secure configuration management using Ansible, ensuring consistent and secure configurations across the infrastructure.

Responsibilities:

• Groomed and planned epics in the customer backlog as part of SAFe PI (Program Increment) planning, acting as Scrum Master and managing Jira dashboards.
• Designed and implemented the Anycloud certification framework, fully automated to streamline compliance.
• Managed and optimized Kubernetes clusters with Terraform, ensuring scalability, high availability, and efficient resource usage.
• Partnered with dev teams to containerize applications and deploy across Kubernetes platforms, leveraging Helm/Kustomize and GitOps practices.
• Built and maintained secure CI/CD pipelines with GitLab CI, Jenkins, and GitHub Actions, integrating testing, security scans, and code quality checks to accelerate delivery.
• Automated infrastructure provisioning and repetitive tasks using Python, Ansible, Docker, and Kubernetes.
• Developed Jenkins automation with Groovy scripts to manage build jobs and release pipelines.
• Established RBAC policies, IAM integrations, CRDs, and SCCs to enforce cluster-level security.
• Advanced DevSecOps practices: secure coding, vulnerability scanning (SAST/DAST), penetration testing, and generating compliance reports aligned with Nokia DFSEC guidance.
• Expanded observability by exposing app metrics, managing Prometheus alerts, and designing Grafana dashboards to improve SRE coverage.
• Drove GitOps tooling initiatives (GitHub API, Jenkins, Kubernetes, Ansible) and lead agile ceremonies, PR reviews, and DevOps team development activities.
• Coordinated with cross-functional teams to certify CSF releases and continuously improved release monitoring and reporting.

CSF Anycloud AWS EKS

The CSF AnyCloud on AWS EKS solution is not a product, but instead is a set of recommendations to enable deployment of CNS applications on Elastic Kubernetes Service (EKS).

Responsibilities:

• Lead the design and implementation of AWS EKS clusters for scalable and resilient microservices applications.
• Automate infrastructure provisioning using Terraform.
• Deployed containerized applications to EKS using GitOps practices with ArgoCD.
• Implemented blue-green deployment strategies to minimize downtime during application updates.
• Managed infrastructure as code using Terraform, ensuring consistent and reproducible environments.
• Automated monitoring and alerting using Prometheus and Grafana.
• Conducted performance tuning and optimization of Kubernetes clusters.
• Collaborate with development teams to troubleshoot and resolve issues related to Kubernetes and AWS infrastructure.
• Ensure security best practices by implementing IAM roles, network policies, and secrets management within EKS clusters.
• Assisted in the migration of on-premises applications to AWS, leveraging EKS for container orchestration.
• Configured and managed CI/CD pipelines using Jenkins.
• Implemented infrastructure as code (IaC) practices with Ansible and Terraform for consistent and repeatable deployments.
• Conducted regular performance tuning and capacity planning for Kubernetes clusters.
• Integrated logging and monitoring solutions, including ELK Stack and AWS CloudWatch, to enhance observability.
• Develop and maintain log aggregation and visualization solutions using the ELK stack (Elasticsearch, Kibana).
• Designed and deployed comprehensive Kibana dashboards for real-time monitoring of application logs and metrics, improving incident response times.
• Deploy and manage Java EE applications on WebLogic, ensuring high availability and optimal performance.
• Implement and manage security configurations, including SSL certificates, user authentication, and role- based access control.
• Provided on-call support for production environments, ensuring minimal downtime and quick resolution of incidents.

CSF Anycloud Google Kubernetes Engine (GKE):

The CSF AnyCloud on Google GKE solution is not a product, but instead is a set of recommendations to enable deployment of CNS applications on Google Kubernetes Engine (GCP GKE).

Responsibilities:

• I have involved in Preparing Environment of GKE using GCP managed services i.e. GCP IAM, VPC network, GKE Kubernetes Engine, container Artifactory/registry, cloud storage, cloud DNS, Load balancer, GKE ingress.
• I have involved in the comparison of CSF services with GCP managed services example: GKE ingress with ctim nginx, harbor to google container artifact registry and log exporter and Kibana with google Elastic Search and google provided Kibana google managed Google-managed certificate etc.
• I have used Ansible playbooks to deploy your application to the desired environment.
• I have done automation through Jenkins pipelines using Terraform scripts to create GKE Infra.
• Designed and deployed comprehensive Kibana dashboards for real-time monitoring of application logs and metrics, improving incident response times.
• I have added configuration management to deployments of common services in GKE and Nokia CSF services by using Ansible playbook with CI/CD Jenkins.
• Managing Jira DashBoards as a SAFe scrum master role Developed and monitored Agile processes, such as sprint planning, daily stand-ups, sprint reviews, and sprint retrospectives.

CSF Nokia Container Services (NCS):

The Nokia Container Manager (NCS) is a highly available platform providing Container-as-a- Service (CaaS)functionality for on premises deployment of containerized applications.

Responsibilities:

• I have involved in manual validation in NCS k8 platform. Also define the roles(admin/namespace) of users to deploy services. ex: creating custom resource definitions (CRD) and custom resource (CR) objects
• Add Prerequisite to install any service Issuer to generate certificates (ex: ctim-ingress, cert- manager, mariaid )
• I have involved in deploying of common services to NCS on-prem based cloud (key-cloak, Prometheus, Grafana, harbor, Kong etc.). All applications are deploying through Helm charts.
• Involved in Identify and address security vulnerabilities early in the development cycle.
• I have involved in creating Ansible playbooks that automate your deployment and validation tasks. These playbooks should be idempotent and handle any necessary configuration or setup tasks.
• Adding authentication by integrating keycloak (cekey) to common services which has GUI services example: Grafana, kibana Nifi etc.
• Involved in Managed and secured the CI/CD pipelines using Jenkins and Git, integrating security testing and SAST, DAST scanning through tools like Nessus/Clair, Burp Suite, SonarQube, Tenable, Anchor, Black Duck scans.
• I have involved in automation of Integrating the scans to VAMS database tool for the vulnerability assessment.
• Managing Jira DashBoards as a SAFe scrum master role Developed and monitored Agile processes, such as sprint planning, daily stand-ups, sprint reviews, and sprint retrospectives. Continuously monitor system performance, including latency, traffic, errors, and saturation, to ensure optimal functioning.
• Manage and resolve incidents swiftly, ensuring minimal downtime and impact on end-users. Perform root cause analysis to prevent future incidents.

Nokia CSF NIFI (CNFI - Apache NiFi):

CNFI is an Apache NiFi based framework that is used to automate the flow of data between systems that produce and consume data and it is positioned for data ingestion and data processing needs.

Responsibilities:

• End-to-End project activities like packaging Design and Deploy NiFi application on Kubernetes Cluster using helm.
• Install, configure, and support containerized NiFi application on Nokia on-premises cloud (NCS).
• Responsible for high scalability and high availability for cloud and on-premises infrastructure.
• Integrating metrics, cert manager, CKEY (KeyCloak), Prometheus.
• Developing and designing new features for NiFi and designed Test framework (Radish) to automate various scenarios, configurations.
• Building Jenkins pipelines to build and publish dockers to Nokia artifactory.
• Designed and implemented secure CI/CD pipelines using Jenkins, Git, and Docker, ensuring that applications are built and deployed with security best practices.
• Actively worked on Docker scans and container scans (Anchore) Integrated through CI/CD pipelines.
• I was also involved in Security processes like SAST, DAST vulnerability scanning using security tools BlackDuck and Tenable scans integrated in CI/CD pipelines.
• Automation to perform dynamic scans (opened port and host etc) while the application is running on particular cloud infrastructure.
• Also involved in creating test automation (Radish test framework), ensuring all new code is part of CI/CD, code reviews.
• Additionally Designed and implemented automated build and deployment processes NiFi application using multiple tools.
• Designed and implemented CI/CD pipelines using Jenkins, Git enabling automated builds, testing, and deployments.
• Written groovy scripts to use multi-branch pipeline projects in Jenkins to configure it as per client’s requirements.
• Develop custom & integrated monitoring methods into the deployment process to develop self-healing solutions.
• Has done Vulnerability assessment for the CNFI for every release after all the security scans performed and prepare the complete security detailed DFSEC documentation in DCT.
• Managing Jira DashBoards as a SAFe scrum master role Developed and monitored Agile processes, such assprint planning, daily stand-ups, sprint reviews, and sprint retrospectives.

Packet Core Network SGSN and S4-SGSN (Interface 4G network):

The project deals with StarOS Cisco (ASR5k) Serving GPRS Support Node (SGSN) service to the wireless carriers.

Responsibilities:

• Design and development of customer requirements and evolution of specification based.
• Development/enhancements of SGSN software.
• Ex: Iu release needs to be triggered when the RAB release with cause radio lost with UE received from RNC.
• Responsible for Interface support requirement gathering and development.
• Unit testing and responsible for regression issues of Future/enhancement impacts.
• Provide SUFS doc with complete design and impact of software and performance memory impact etc.
• Analyze customer Issues and ST issues with high priority.
• Reproduce the customer/ST issue scenario with Python test script in SITT (scalable Intensive Test Tool) simulator.
• Debugging of issue to find the root cause analysis.
• Ex: Crash analysis with core dump file provided by submitter.
• Provide RCA of customer reported (SRS) PRs.
• Jenkins job creation build automation and testing automation.

WCDMA RNC User Plane:

3G UMTS RNC User Plane Protocol Stack Sustenance and Feature development. Major sustenance activities involve Screening, Issues resolution reported from: Field and IOT, ST, Capacity, DI labs. Feature development support. Feature development based on 3GPP releases and Customer requirements.

Responsibilities:

• Key Member of User Plane sustenance, Critical Customer issues for LR14 and LR15 releases.
• Feature enhancements to improve the product KPIs.
• Work with Global Product Support team, Post GA System Test team to help reproducing the issues. and resolve with in the time limit.
• Work closely with clients to ensure no network outages during software upgrades.
• Resolving customer critical issues within the SLA agreed between customer and client.
• Ability to analyze the given problem at a more efficient and quicker pace.
• End-to-End system analysis to find the root cause of issue.
• Identify the key scenarios for KPI degradation and work on top contributors.
• Based on log analysis and debugging find the root cause, reproduce the issue reported, and Provide efficient and quick solution by considering the functionality dependencies.
• Continuously improving the code quality & performance improvements.
• Reviewing the newly added code in the product and raise the defects.
• Extensive knowledge and experience in User Plane Unit Testing (UPUT) environment in reproducing Field issues.
• UE logs analysis using QCAT, EDAT, Easy Analyzer tools for Supporting IOT issues.
• Jenkins job creation build automation and testing automation.

Light Radio Converged WCDMA NodeB L2:

System-on-a-chip (SoC) technology is the packaging of all the necessary electronic circuits and parts for a “system” (such as a cell phone or network processor or digital camera) on a single integrated circuit (IC).

Responsibilities:

• Porting the cCEM (VxWorks platform) PQ3 code to bCEM (Windriver Linux)Splitting the code into multi cores with appropriate priorities depends on the CPU usage.
• Core affinity has been tested.
• Bench marking activity to Understanding of requirement and implementation of ARQ 802.16i. Design specification.
• Implementation of ARQ Feedback generation and ARQ feedback processing.
• MS simulator support for ARQ functionality test has been implemented.
• Overload balancing on both e-CEM and b-CEM using workbench and Profile, balance the load on each core.
• CEDRIVER (L1 & L2 interface) changes to support SRIO interface.
• Unit test and System test Support to fix the issues in overall nodeB.
• Jenkins job creation build automation and testing automation.

WiMax (IEEE802.16e) ARQ (Automatic Repeat Request):

ARQ is an error control mechanism, in Wimax ieee802.16e ARQ is for data control flow reliable data communication.

Responsibilities:

• Understanding of requirement and implementation of ARQ 802.16i. Design specification.
• Implementation of ARQ Feedback generation and ARQ feedback processing.
• MS simulator support for ARQ functionality test has been implemented.
• Unit testing framework development and simulation of scenarios has been added.