Robert Sarnapeta

Kubernetes administrator: 2022-2023

1. Creation of pods,deployments,daemonsets,services,namespaces,service accounts, static pods

2. Usage of node selectors, taints/tolerations and node affinity/anti-affinity for pod scheduling.

3. Implementation of sidecar, adapter and ambassador(proxy) containers.

4. Usage of resource limits/requests on pods/deployments and resource quotas/object count quotas on namespaces

5. Usage of liveness/readiness/startup probes.

6. Usage of configmaps/secrets ,PVs ,PVCs and storage classes. Extending PV size.

7. Injecting vault secrets into deployments/pods

8. Usage of network policies ,RBAC(Roles, Rolebindings , ClusterRoles , ClusterRolebindings)

9. Application upgrade using deployment patterns like rolling update , recreate ,canary

10. Cluster management using Rancher

11. Cluster backup/restore using Valero

12. Cluster monitoring using Prometheus/Graphana

13. Using Sysdig secure for vulnerability scanning

14. Injecting Vault secrets into Deployments/pods.

15. Performing drain ,cordon ,uncordon on nodes

16. Upgrade of the controlplane and worker node components using kubeadm.

17. Using etcdctl for ETCD backup/restore.

18. Using private repositories(ecr,gcr) to pull the images for the containers using secrets.

19. Can take care of volume node affinity conflict error(pods in pending),PVC stuck in pending status, CrashloopBackoff, OOM Killed, ImagePullbackoff error etc.

Autosys administrator: 2017-2022

· Monitoring the batch and making sure that the batches meet the SLAs.

· Taking care of all the activities related to job scheduling.

· Working as a level 1 Admin for Autosys.

· Working in troubleshooting of the job failures as part of application support as well as production control.

· Performing JIL loads and JIL reviews.

· Working on data mod activities in Sybase,Oracle and SQL server databases using TOAD,Cyber-arc guided by L3 resources of the application teams

· Ticketing tools used are Remedy and Service now.

• Has got good knowledge on various autosys job activities such as keeping the jobs ON ICE,ON HOLD,OFF ICE,OFF HOLD ,start job,force_startjob,delete job,kill job etc.
• Has got good knowledge on the various states of the job and its maintenance.
• Monitoring and support of Autosys jobs and take action on failed jobs
• Performing JIl reviews and JIL load activities.
• Inserting,updating and deletion of the JIL of jobs,machines,virtual machines,global variables etc.
• Performing one time job over-ride and working with resources.
• Job and Calendar creation and migration from Dev to QA and QA to PROD.
• Troubleshooting on the failed jobs.
• Creating views in the form of HLQs and providing access(grant/revoke) to those views to users through Active directory and EEM.
• Generating server related job list ,time based job list and status based job or machine list reports.
• Identifying the jobs in MET status report and self dependent jobs reports,Chase alarm jobs report etc and working with concerned teams to work on the issues identified.

• Taking care of machines which are in offline or missing status.
• Taking care of decommissioning of machines,virtual machines,jobs,etc.
• Participating in Windows/Unix patching activities by placing the required machines OFFLINE/ONLINE.
• Restart of WCC services in the event of WCC not working.
• Participating in shutting down of Autosys servers(primary and shadow),EEM,WCC (primary and shadow)servers during activities.
• Troubleshooting the Autosys related issues with respect to jobs, job owner-id access issues
• Validation of agents through validation jobs during the agent creation.
• Updating Autostuff files with autosys server details for Unix machines and updating Autosys Admin tool with Autosys server details for the agent.
• Restarting the agent services and troubleshooting.
• Updating or creation of users in autosys_secure.
• Agent creation in Windows and Unix environment.

• Escalating production issues and restarting the abended jobs
• Checking error messages from mainframe TSO SAVRS.
• Copying CA-7 jobs from Production library to alternate library in mainframes.
• Cancelling active CA-7 jobs from in mainframe SDSF.
• Monitoring CA7 queues for avoiding processing delays.
• Monitoring request and Ready queues for late jobs analysis.
• Submitting jobs on adhoc as per request.
• Posting requirements to CA7 jobs as per run doc.
• Add or remove trigger information to jobs in CA-7
• Modifying job definition panel in CA-7 as per business requirement.

• Restart the failed jobs as per job instructions.
• Involved in Demanding & Holding CA7 Jobs.
• Post dependencies, Force Completion of Jobs on mainframes as per requirement.
• If any Jobs are failed or Long Running, Informing to L2 or L3 Support.
• As per requirement Submitting, Cancelling, Changing Priority, Releasing Dependencies, Rerun the jobs via IBM Tivoli, Autosys, Appworx.
• Hold and release of jobs in CA-7.
• Interact with other support groups to follow up an issue resolution or work around.