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sr system engineer linux cloud engineer resume example with 11+ years of experience

Jessica
Claire
resumesample@example.com
(555) 432-1000,
, , 100 Montgomery St. 10th Floor
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Summary
  • Over 12+ years of experience as Linux/DevOps/Cloud build, deploy and release of applications to various environments.
  • Experience in supporting large scale organizations adhering to ITIL standards with expertise in Linux RHEL 8/7/6, AIX 6/7 and Centos7/6/5.
  • Experience in working with amazon web services public cloud, Azure and Kubernetes container orchestration.
  • Create Linux Virtual Machines on VMware ESXi cluster using VCenter server. Automate installation of RHEL 6.X, 7.X, 8.X using Kickstart template.
  • Experience in configuring Raid-0, Raid-1, Raid-5, Raid-10, and creating Logical Volumes, Logical Volume Groups and manipulating them as required.
  • Build VIO/AIX LPAR profiles on power7/8 hardware using HMC Console. Install & configure AIX7.1/6.1 on IBM POWER/POWER8 server.
  • Configure NIM master server for VIO/AIX partition installation over the network.
  • Experience in installing and maintaining the operating systems and configuring networks in Redhat and AIX environments along with SAN devices like HDS & EMC.
  • Skilled in using configuration management tools such as Ansible, Chef, and Puppet to automate infrastructure provisioning, configuration, and maintenance tasks.
  • Experienced in container orchestration using Kubernetes and Docker, enabling efficient deployment, scaling, and management of containerized applications.
  • Proficient in Infrastructure as Code (IAC) tools like Terraform, enabling the provisioning and management of infrastructure resources using declarative code.
  • Knowledgeable in continuous integration and continuous deployment (CI/CD) practices, utilizing tools like Jenkins to automate the build, test, and deployment processes.
Skills

· Operating systems :- Linux (RHEL), Centos, Fedora, Ubuntu, Unix AIX, Windows.

· Configuration Management tools :- Chef, Ansible

· Container Orchestration :- Kubernetes, Docker

· IAC Tool :- Terraform

· CI/CD Tools :- Jenkins

· Monitoring Tools :- Cloud Watch, Nagios, Splunk, AppDynamics, Elastic search, , ,

· Scripting languages :- Shell, Python, YAML, JSON

· Cloud Infrastructure:- AWS, Azure, Open stack, SSSD

· Databases :- SQL Server, Oracle, MYSQL, . DB2

· SCM Tools :- Git (GitHub)

· Web/Application Servers :- Apache Tomcat, Web logic, Oracle Application Server. WebSphere application server, IBM HTTP Server

· DevOps Tools :- Nexus, Artifactory,

· Networking/Protocol :- TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/SFTP/TFTP, HTTP, IP, UDP

· Hardware :- Red Dell EMC R740, R840, R940, IBM Power7, Power8, Power9, SDDC, Hat 6,7,8,

Education and Training
Gannon University , Expected in Master : Electrical Engineering - GPA :
Jawaharlal Nehru Technological University , Expected in Bachelor : Electronics and Communications Engineering - GPA :
Experience
Telos Corporation - Sr System Engineer - Linux/Cloud Engineer
Lompoc, CA, 01/2022 - Current

· Work with Green Field, Brown Field Kubernetes Deployments, Blue-Green Deployments for Openstack and Non-Openstack based Microservices and other application requirements

· Work on setting up BareMetal to update firmware, raid and bios for the initial hardware setup.

· Install various operating systems depending upon the applications team’s requirement such as RedHat Linux, CentOS, Ubuntu

· Develop Jenkins groovy scripts for setting up of raid configs and installing bios, updating the firmware for various components in the BareMetal hardware.

· Manage Kubernetes charts using Helm, and Create reproducible builds of the Kubernetes applications, manage Kubernetes deployment and service files and manage releases of Helm packages.

· Use Jenkins and Pipelines to drive all micro services builds out to the Docker-registry and then deployed to Kubernetes, Create Pods and manage using Kubernetes

· Proficient in Kubernetes administration, including deploying, configuring, and managing Kubernetes clusters.

· Skilled in managing Kubernetes resources, such as pods, deployments, services, and namespaces, to ensure optimal performance and scalability.

· Experienced in configuring and managing Kubernetes networking, including implementing and troubleshooting network policies, load balancers, and Ingress controllers.

· Proficient in using Kubernetes command-line tools (kubectl) and web-based interfaces (such as Kubernetes Dashboard) for cluster management and monitoring.

· Knowledgeable in implementing Kubernetes security best practices, including role-based access control (RBAC), pod security policies, and image security scanning.

· Experienced in monitoring and troubleshooting Kubernetes clusters, utilizing tools like Prometheus, Grafana, and Elasticsearch for log aggregation and performance analysis.

· Skilled in deploying and managing stateful applications using Kubernetes features such as persistent volumes, storage classes, and stateful sets.

· Familiar with deploying and managing containerized applications using Helm charts for simplified application packaging and deployment.

· Proficient in scaling Kubernetes clusters to handle increased workloads, implementing horizontal pod autoscaling (HPA) and cluster autoscaling based on resource utilization.

· Experienced in performing Kubernetes upgrades and maintenance tasks, including rolling updates, node maintenance, and cluster component upgrades.

· Strong understanding of Kubernetes architecture and concepts, including master and worker nodes, etcd, scheduling, and container runtime integration (e.g., Docker, containerd).

· Stay up-to-date with the latest Kubernetes releases, features, and best practices, continuously improving cluster performance, stability, and security.

· Deploy Cloud both using automation via Fuel, Openstack Ansible and manual deployment

· Validate the hardware whether for issues like hardware failures, firmware version, disk health, cabling and Nic card health

· Kubernetes Cluster management and uncluster the faulty nodes. Roll back the node

back into Kubernetes cluster once the issue is resolved

· Coordinating with networking team to troubleshoot network related issues

· Analyze server infrastructure related issues in a timely manner and escalate when needed

· Monitor performance and maintain systems according to requirements and troubleshoot problems reported, analyze and isolate issues

· Monitor and respond appropriately to incidents, outages, and alerts, escalating issues as needed.

· Proficient in building and configuring virtual machines (VMs) in Microsoft Azure cloud platform.

· Extensive experience in deploying and managing VMs in Azure, including creating and customizing VM sizes, selecting appropriate storage options, and configuring networking settings.

· Skilled in designing and implementing highly available and scalable virtual machine solutions using Azure Availability Sets and Azure Virtual Machine Scale Sets.

· Proficient in deploying and managing Azure Kubernetes Service (AKS) clusters for container orchestration and application deployment.

· Hands-on experience in creating AKS clusters, configuring cluster settings, and managing container workloads using Kubernetes concepts and tools.

· Strong understanding of Azure networking concepts, including virtual networks, subnets, load balancers, and network security groups, to ensure secure and efficient communication within virtual machine environments.

· Stay up-to-date with the latest troubleshooting techniques and best practices for VM and AKS environments in Azure, continuously improving problem-solving skills and techniques.

Environment: Red hat Linux RHEL 7, Ubuntu 22, Azure, Ansible, Jenkins, Splunk, Gerrit, Kubernetes, Azure , Dell PowerEdge

CVS Health - Sr System Engineer - Sr UNIX/LINUX/Cloud Engineer
City, STATE, 10/2015 - 12/2021

· Responsible for maintaining and administering production environments on various UNIX systems, including AIX/Linux servers.

· Implemented IBM PowerVM technologies such as Shared Ethernet, NPIV, Dual VIOS, Shared Storage Pool, Live Partition Mobility, etc.

· Upgraded AIX servers to the latest version using alt_disk.

· Migrated AIX servers from AIX 7.1 to AIX 7.2 using NIMADM.

· Effectively used NIMADM post scripts to install all required 3rd party software and fixes.

· Utilized NIMADM to migrate AIX on alt_disk, minimizing downtime.

· Proficient in deploying Red Hat OS on physical and virtual servers using kickstart templates, ensuring streamlined and consistent installation processes.

· Skilled in customizing kickstart templates to meet specific requirements, including partitioning schemes, package selections, network configurations, and post-installation scripts.

· Experienced in creating Logical Volume Manager (LVM) configurations to efficiently manage disk space and provide flexibility for storage allocation in Red Hat OS environments.

· Knowledgeable in granting sudo permissions to users, ensuring secure and controlled access to administrative tasks and system-level operations.

· Proficient in creating startup and stop scripts to automate the execution of custom actions and services during system boot-up and shutdown processes in Red Hat OS.

· Strong understanding of Red Hat OS administration and management, including user management, software updates, security configurations, and system monitoring.

· Familiar with troubleshooting and resolving issues related to Red Hat OS deployment, including network connectivity problems, package installation errors, and configuration inconsistencies.

· Stay up-to-date with the latest advancements and best practices in Red Hat OS deployment and management, regularly exploring new features and enhancements to improve deployment efficiency and reliability.

· Automated server provisioning and configuration management using Ansible, including writing Ansible playbooks to improve manual processes.

· Experience in configuring cloud servers and managing security patches via Ansible playbooks and roles.

· Extensive experience in designing, implementing, and managing highly available clusters using technologies such as HACMP, GPFS, and Veritas Cluster Server.

· Proficient in configuring and managing cluster resources, including virtual IP addresses, shared disks, file systems, and application resources, to achieve optimal performance and availability.

· Skilled in performing cluster maintenance tasks, such as cluster upgrades, patching, and configuration changes, while minimizing downtime and disruption to cluster operations.

· Played a critical role in successfully migrating operating systems from Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7, ensuring a seamless transition and minimal disruption to business operations.

· Successfully created ASM disks for Oracle RAC clusters on both AIX and RHEL servers, ensuring high availability and optimal performance for Oracle databases in clustered environments.

· Installed 3rd-party tools as per application team requirements.

· Effectively managed and maintained YUM repositories, ensuring availability and streamlined package management for Red Hat Enterprise Linux (RHEL) servers and systems.

· Utilized Chef and Ansible for configuration management and automation in infrastructure provisioning and management.

· Created and managed Chef cookbooks and Ansible playbooks to define and deploy consistent configurations across servers and systems.

· Extensive experience in designing, deploying, and managing solutions on the Azure cloud platform, leveraging its wide range of services and capabilities.

· Proficient in utilizing Azure Virtual Machines, Virtual Networks, and Storage Accounts to build scalable and highly available infrastructures.

· Experienced in implementing Azure Active Directory for user authentication, access management, and single sign-on across Azure services.

· Extensive experience in provisioning and managing AWS EC2 instances, ensuring scalability, high availability, and security of infrastructure.

· Configured CloudWatch Logs and CloudWatch Events to centralize logs and trigger automated actions based on defined thresholds and events.

· Successfully planned and executed workload migrations to AWS using AWS MGN, ensuring minimal downtime and data loss.

· Collaborated with AWS support teams to escalate and resolve critical migration issues, ensuring timely completion of migration projects.

· Experience in writing Ansible Playbooks to install software, manage configurations, perform systems maintenance, Linux OS patching, and Kubernetes cluster upgrades.

· Worked with various Azure services including Azure Storage, Azure CDN, Azure Monitor, Log Analytics, Azure Functions, Azure Database for MariaDB, Azure DevOps, Azure Redis Cache, KeyVaults, Azure Firewall, Azure Migrate, EventHubs, Azure Container Registry, and Azure Kubernetes Service.

· Provisioned Linux Servers on Azure using Jenkins pipelines.

· Hands-on experience in Azure development, working with Azure web applications, Virtual Machines, Azure Key Vault, Azure AD, Azure search, and Azure Notification Hub.

· Managed routine backup of systems, scheduled jobs like disabling and enabling cron jobs, enabled system logging, network logging of servers for maintenance, performance tuning, and testing.

· managed disaster recovery (DR) solutions to ensure business continuity and data protection in case of unexpected disruptions or disasters. This includes designing and implementing backup and replication strategies, configuring failover systems, conducting regular DR drills and tests, and monitoring the overall health and readiness of the DR infrastructure.

· Delivered round-the-clock 24/7 support, ensuring continuous availability and timely resolution of critical system issues and emergencies. Maintained an on-call rotation schedule to provide immediate assistance and troubleshoot incidents outside regular business hours. Responded swiftly to alerts, monitored system performance, and implemented proactive measures to mitigate potential downtime and minimize impact on business operations.

Environment: AIX 7.1/7.2, Red hat Linux (RHEL 6.X and RHEL 7.X), VMware, Azure, AWS, Ansible, Jenkins, Git·

State Farm - Systems Administrator / Technical Analyst
City, STATE, 08/2012 - 09/2015
  • Being part of installation, maintenance, and monitoring of nearly 16,000 servers
  • As a responsible team member working on work orders without breaches as per ITIL guidelines via HP Service Manager (HPSM) tool
  • Coordinating between 1st level and 3rd level UNIX teams to troubleshoot operating system problems
  • Maintaining updates and patches of servers through Enterprise Server Release (ESR)
  • Working as a change agent and change requester to generate and maintain hardware and software changes pertained in OS level
  • Provided technical support and troubleshooting for Veritas Clusters, addressing issues related to resource allocation, failover, and application performance to minimize impact on business operations
  • Configuration of Red Hat Clusters and Veritas Clusters for High Availability of mission critical applications
  • Hands on experience with different file systes eg
  • Ext3, ext4, XFS, CIFS, Clustered file systems, Network File Systems (NFS), and LVM
  • Working with VMware team in hot and cold migrations between different host groups, as well as with storage team for SAN storage allocation for servers
  • Experience in variety of network areas (DHCP, DNS etc.) mail services(sendmail, postfix) and LDAP authentication
  • Supporting integration of Red Hat clusters with Oracle Database, DB2 as well as standalone servers for Oracle Real Application Clusters (RAC)
  • Experience with server management and performance tools eg
  • Puppet, nagios, and BMC
  • Developing and updating shell scripts for automation of monitoring servers
  • Participating in change moratorium review board (CMRB) meetings
  • Working more closely with server hands-on team to resolve server hardware problems
  • In depth troubleshooting of incidents and requests after escalated from 1st level team
  • As part of the remote service restoration team, monitoring of AIX, HP-UX, Sun Solaris and Red Hat Enterprise Linux servers in test, development and production environments
  • Experienced in coordinating with different teams eg
  • VMware, SAN storage and server hands-on teams to restore services without any possible down time
  • Worked with vendors and hands-on hardware team to replace failed hardware (hard drive, memory etc.) through approved change processes
  • Experienced in installation of patches, upgrades and new loads of servers
  • Experienced in using OVO, Nagios, Puppet monitoring of servers, network routers, switches, firewalls and power supply
  • Experienced in configuring TCP/IP, SMTP, SSH, Tel Net and FTP protocols
  • Environment: Red hat Linux (RHEL 6.X and RHEL 7.X), Windows, Solaris, oracle, db2, Websphere
Capital One - Systems Administrator
City, STATE, 01/2012 - 05/2012
  • Installing, configuring and updating Redhat Linux 5.x, AS 3 and 4.x servers using Kickstart
  • Solaris 8, 9, 10 servers using media, live upgrade and Jumpstart and Experience in the creation of Containers, Zones with Solaris 10
  • Worked on the Apache 2.x for the configuration of Name Based Virtual Hosts and IP Based Virtual Hosts and generating SSL Certificates
  • Worked with the Oracle DBA teams for the configuration of file systems, performance tuning of the OS and the installation of Oracle 9i, 10g on both Solaris and Redhat environments
  • Installation of ISV products like Sun One Web Server, Oracle, Vignette, Informatica, MQ Series and WebSphere
  • Performing simple administration of MQ series like starting and stopping the queues, flushing the queues etc
  • Configuring Windows 98/NT/2000 clients for Solaris /NT servers using Samba 2.2.12
  • Installed & configured Win-2003 Server & MS-Exchange-2003
  • Configured message stores, MTA along with MSCS for Exchange & SQL-2005
  • Performance tuning of the servers using tools like vmstat, kstat, mpstat, sar
  • Troubleshooting and fixing day-to-day problems related to Operating System, Application, Servers, Laptops and desktops and responding to tickets in Peregrine Service Center
  • Environment: Red hat Linux (RHEL 5.X and RHEL 6.X), Windows, Solaris, oracle, db2, HP-UX and SUSE

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Resume Overview

School Attended

  • Gannon University
  • Jawaharlal Nehru Technological University

Job Titles Held:

  • Sr System Engineer - Linux/Cloud Engineer
  • Sr System Engineer - Sr UNIX/LINUX/Cloud Engineer
  • Systems Administrator / Technical Analyst
  • Systems Administrator

Degrees

  • Master
  • Bachelor

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