Umesh Sonwane
Product Management
maharashtra, India
Skills
Cloud Computing
About
The candidate's skills align with Consultants and Specialists (Information and Communication Technology). The candidate also has skills associated with System Developers and Analysts (Information and Communication Technology). The candidate has 18 years of work experience.
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Work Experience
Specialist
Govtech Singapore
September 2021 - February 2024
- Roles and responsibilities: (K8s,cloud,Ansible,Linux)
Specialist in Kubernetes/Docker, Linxu/Unix, Cloud
April 2012 - January 2024
- An outstanding, self-motivated professional with 15+ years of experience in Singapore IT industry as SRE Infra DevOps Specialist in Kubernetes/Docker, Linxu/Unix, Cloud servers - Install/setup/configure/adminitration/Tunning. Kubernetes Certified(1.24)/EKS/AKS/Openshift(4.12)/Docker: Kubernetes clusters Design & Implement, Setup and Installation from scratch, Upgrade Openshift/Kubernetes Multiple K8s clusters with 3 Masters & 23 workers nodes each), Extensive knowledge on VMware Tanzu, Azure AKS, Google GKE Design, Helm charts creation/deployment,Nginx ingress controller. AWS Cloud Certified: Resources provision and administration: Good knowlege for Azure/GCP as well. Terraform IAC - EKS, VPC, Subnet, EC2, IAM, routing, proxy, firewalls, dns, Load balancer alb/nlb, Storage S3, ssm, rds instance, backup, recovery, Cloud watch, Trail, m4large size, ECR, SSL certificates, RDS. Ansible Tower (3.7.2) administration (Automation): Installation, Configuration, Upgradation and write ansibleplaybook to Automate the task, deployment, Ad-doc command Module Shell, command, copy etc. Automation & CICD pipeline - Ansible yaml jobs, Jenkins, Gitlab,Bamboo, Bitbucket, Python, shell scripting Setup & configure the CICD pipelines with Bamboo/Jenkings, Bitbucket, Gitlab. Jenkinsfile, Freestyle node stages, Pipeline stages jobs, Scripted/Declarative pipeline. SCM, git, Build deploy test release integration and implementation of Continuous Delivery CICD pipeline, Azure devops pipeline, Jenkins Groovy scripts CICD pipeline with multiple stages - Declarative. VMware ESXi (6.x/7.x), Vcenter, Virtual Machines (VMs): Installation, Configuration & upgrades, DRS cluster, VMware vsphere 5.x/6.x administration and Having knowledge of ESXi ICM ESXi host, vSphere systems administration and support including vMotion, HA, DRS, VMkernel, vCenter Operations Manager, VMFS, Web client. RHEL/CentOs/Ubuntu Linux (7.9/8.7/9.2) Installation, hardening, Performance Tunning - Installation, Patching, Upgrade, software configuration, troubleshooting, upgradation and migration activities. Recovery of systems, root cause analysis, coordinate with vendor for PROD incidents, Business impact (HP, Redhat, IBM) YUM update, OS bug fix Middleware and Database support: WAS, / MQ/Tomcast/Web and application servers - jboss, ssh, apache, tomcat, kong, nginx, Oracle, Mysql, Sybase Database /Network/ Load Balancers / Hazelcast etc. Oracle knowledge and geature like OEM Vendor Certification Name CNCF Certified Kubernetes Administrator (CKA) https://www.credly.com/badges/d0b1ae60-fe0d-4a15-b17f-01c81502dcd6?source=linked_in_profile Amazon AWS SysOps Administrator Associate (cloud) Certified https://www.certmetrics.com/amazon/public/transcript.aspx?transcript=JCXGTNFCC2F4Q9WT VMware Vmware certified professional (VCP) - v5.5 (Linux/Unix) Certified IBM 000-223, C4040-109, Virtualization and System Power administrator -AIX & Linux Traning PMP - Attended training (Project management.), ITIL ITIL v3 foundation Certified
configuration, Troubleshooting (Master & worker node architecture), Operators
Openshift
April 2012 - January 2024
- (4.12)/EKS/AKS: Openshift/Kubernetes clusters Installation, Upgrade, configuration, Troubleshooting (Master & worker node architecture), Operators upgrade, Twistlock Security tool to analyze CVßEs regularly and fixing it. Recovery of systems, root cause analysis, coordinate with Redhat vendor for PROD incidents, Cluster upgradation, Manage the cluster tools/software product podman, SDN network, istio service mesh, Kiali, Jaeger, Prometheus monitoring, EFK (ElasticSearch, Fluntd,Kibana) Grafana. Helm chart creation/deployment in cluster, PV, PVC Storge management, application deployments. Jira, Confluence. In depth familiarity with Container Platform, Dockers, podman. Twistlock Security tool setup - Install & configure and review the CVEs on regular basis and plan to remedite it as per severity with approval. CICD Bitbucket/Bamboo (8.2.4), Nexus (3.30.0), GitLab (16.1.4-ee), Nexus image registry, podman, helm chart creation & deployment in K8s cluster, Docker, Git, Confluence, Jira, F5 BigIP, NSX-T LB, nginx ingress controller, fluxCD, ArgoCD, Sealed-secret & other Devops tools to maintain the entire operation. 2.Ansible Tower - Administration and automation - Configure jobs and write YAML. 3.AWS/Azure Cloud - Cloud resources provision Terraform IAC - EKS, VPC, Subnet, EC2, IAM, routing, proxy, firewalls, dns, Load balancer alb/nlb, Storage S3, ssm, rds instance, backup, recovery, Cloud watch, Trail, m4large size, ECR, SSL certificates, RDS. 4.RHEL Linux - Do plan patching, upgrade, CVEs Vulnerabilty fix.Tunning of Linux systems - top, vmstat, lsof, netstat, tcpdump,iostat,iotop, sar, iostat, vmstat, nmon, perpmr etc. tools to check server performance issues Patching & Bottleneck (cpu, mem, network, disk IO) and perform required system tunning. Analyze system performance from given tools, Kubectl, OC, command free, cat /proc/meminfo, BMC perform, sar, iostat, viostat, vmstat, svmon, perpmr, lparstat, fcstat etc. tools to check server performance (cpu, memory, network, vasistat, netstat, entstat, seastat ,optimizenet, disk IO) & Bottleneck. Automation & CICD pipeline - Ansible yaml jobs, Jenkins, Gitlab,Bamboo, Bitbucket, Python, shell scripting Setup & configure the CICD pipelines with Bamboo/Jenkings, Bitbucket, Gitlab. Jenkinsfile, Freestyle node stages, Pipeline stages jobs , Scripted/Declarative pipeline. SCM, git, Build deploy test release integration and implementation of Continuous Delivery CICD pipeline , Jenkins Groovy scripts CICD pipeline with multiple stages - Declarative, Azure devops pipeline. 5.Performace tunning - top, vmstat, lsof, netstat, tcpdump,iostat,iotop, sar, iostat, vmstat, nmon, perpmr etc. tools to check server performance issues Patching & Bottleneck (cpu, mem, network, disk IO) and perform required system tunning. Analyze system performance from given tools, Kubectl, OC, command free, cat /proc/meminfo, BMC perform, sar, iostat, viostat, vmstat, svmon, perpmr, lparstat , fcstat etc. tools to check server performance (cpu, memory, network, vasistat, netstat, entstat, seastat ,optimizenet, disk IO) & Bottleneck.
Master & worker node architecture
Openshift
December 2018 - August 2021
- December'2018 to Aug'2021 Position Devops Toosets & Unix Servers administration (Linux/Kubernetes/AIX/VMware/PrivateCloud/Automation) Equinix projects - Achivement in Equniix Singapore 1.Kubernetes Clusters/Linux/VMware/Virtual systems installation, configuration, upgrade & troubleshooting. 2.Kubernetes servers Installation and configuration (Master & worker node architecture), with Docker containerization. Used Kubernetes to orchestrate the deployment, scaling and management of Docker Containers. 3.Openstack Infrastructure implementation. 4.AWS and Azure infra Mngt, Vmware on AWS cloud Lift and shift the VM's in cloud. 4. On prem Infra - Vcenter,ESXi VMware 6.x clusters & VMs Mngt. 5. Also responsible to support KVM, Ansible, Docker, Jenkins CICD,Python, Github, DevOps toolset, implementation & daily AIX/Unix/vmware/cloud Infra task. Role and responsibility: Linux servers installation, configuration, troubleshooting. Installation, Configuration, Tuning and Upgrades of servers & related CI/CD tools components. Ansible - Prepare the yaml files for automation of routine task. Setting up ESXi VMware (ESXi,VMs,Vcenter) servers, AWS vmc Cloud,Linux/Unix OS (RHEL,CentOS,Ubuntu,solaris,AIX&vios) Kubernetes servers Installation (Kubadm) and configuration (Master & worker node architecture), with Docker containerization. Private cloud - Openstack (Cisco/RedHat) Installation and configuration. Installation and configuration On prem Infra - Vcenter,ESXi VMware 6.x clusters & VMs Mngt DevOps tools implementation & support. Also responsible to support KVM,Ansible,Vmware,Docker,Jenkins, Python, Github,DevOps tools,implementation & daily Cloud/Unix/vmware/AIX Infra task.
UNIX Administrator
Citibank Singapore
March 2008 - December 2018
- (Redhat Linux, Solaris, Aix, VMware,Veritas cluster, migration project and automate routine task & SAN Storage configuration) CITI Bank projects - Achivement in CITI Bank Singapore. Projects in Citibank Singapore 1.Linux/AIX/Unix plateform setup and datacenter migration - From scratch to project live & support Ops. 2.IBM AIX to RHEL Linux/Unix plateform migration (PROD/UAT/SIT) 3.Routine Linux/AIX/Solaris/Unix patching to meet requirement. 4.Co-ordinate with Vendor & Engineering team for new project Initiative. 5.Kubernetes Clusters Dev/Linux/VMware/Virtual systems installation, configuration, upgrade & troubleshooting.K8s servers Installation and configuration (3 Masters & worker nodes) with Docker. • Datacenter migration: Linux/UNIX servers migration/new setup for multiple servers from scratch - completed successfully across different region data centers (Singapore ,China ,Hongkong,Germany Data Centers) based on company and regulators compliance requirement • Plan & remediate vulnerability, bug fixes, security patches in Redhat Linux, Vmware, aix and Solaris Prod every 6 month - i.e HP proliant DL380 Gen8 firmware update, iLO update, YUM updates, TL upgrade, interium patches to remediate the know issues and to get the latest enhancement features. • Plan & remediate EOL HA upgrade Role and responsibility: Installation & configuration of RedhatLinux ,Veritas cluster 6.0 / Aix / bash scripting automation and UNIX System Administration.Responsible to handle Citibank critical Redhat Linux 5.x/6.x, VMware5.x/6.x ESXi guest (vmware tools update), AIX Prod/UAT/Dev UNIX servers Infrastructure end to end across different data centers (Singapore,Hongkong ,China) with volume more than 5000 UNIX servers and co-ordinate with different teams (stakeholders) during incident & change management Infra call/issue. Also engage in automation of routine UNIX task to optimize the resource and leaverage UNIX bash shell scripting. JOB RESPONIBILITY Provide the operational support and maintenance for Redhat Linux, Aix, solaris PROD environments running RHEL 5.11/6.9, AIX and including build, administration, configuration and maintenance of servers. Plan & remdiate security patches ,bug fix,add new functionality via Yum updates ,OS patching, Firmware upgrade, BIOS, Storage array, ILO console update in HP DL 380 servers. Recovery of systems, root cause analysis, coordinate with vendor for PROD incidents,MIM,Business impact (HP,Redhat,Symatec for Veritas, IBM) YUM update , OS bug fixing, hpacucli,hpssacli, ILO management, VTM fixing ,hponcfg, HW raid 1, backsnap, vmware guest mngt ,Firware upgrade ILO,Storage array, BIOS, work with Storage for new SAN storage disk assignment as per requirement & Delivered Storage to Application team by adding/configuring multipath storage, new SAN disk/Lun addition into filesystem for Standalone and Cluster servers. Faulty disk replacement , configuring the HP agent (10.0) to monitor & receive the alerts for HP Hardware issues firmware upgrade ,chef deployment in rhel, ILO upgrade to get latest enhancement, planning for weekend changes implementation. In case required - wakeup clone/snap during recovery of system Providing L3 and escalation level support to Business 24*7 for crucial 5000+ PROD/UAT/Dev Servers running under Redhat Linux, Vmwarevm,aix platform. OS upgradation, Yum update, TL upgrade & routine Patching to remediate known issues, OS hardening. Build new servers as per Business requirement & co-ordinate with application team. Server migration from Unix Security Model to Global Security Framework. Plan, design and implement resiliency for application using HA software. Production Server Ownership for BAU administration and weekly changes. Handle Level 2 escalation for high severity incidents and problems. Provide tuning suggestions for optimized, better and non-outage performance. Configure and maintain layer products for security, backup, monitoring, SAN multipath compatibility etc. Perform continuity of business drill from Singapore to Hong Kong within 3 hours recovery time. Install routine security patches as per CITI engineering team and will do the system upgrades, prepare new installations, performance tuning, and execute configuration changes through the configuration change management process. EMC, Hitachi SAN management on client server, Fiber channel technology, HBA/SAN environment, NAS FS mngt, SRDF. Hands on experience on topas,sar, iostat, vmstat, nmon, perpmr etc. tools to check server performance issues (cpu, mem, network, disk IO) & Bottleneck.
Sr. System Administrator
Hewlett Packard Ltd
March 2006 - February 2008
- Installation and routine maintenance of UNIX servers & take a responsibility to complete it end to end Supporting HP Superdome, Itanium servers, Alpha servers Implementation, troubleshooting & support with hpux, vms Products, which supported various projects for the organization. Exposure on the LVM, Managing physical volumes, volume groups, logical volumes, Performing file systems management, Managing paging space. Expert knowledge on Package install, installing software bundles, filesets. Patch management, Server upgrades, Fix updates. Expertise on system problem determination procedures including running diagnostics, analyzing error logs. Good exposure to User administration, Creating and manage users and groups update the security patches and services packs. Backup and System Recovery. Performance Monitoring, Troubleshooting, Analysis, Tuning(identifying system bottlenecks) (Umesh D Sonwane)
