acs carnival sre resume example with 8+ years of experience

Jessica Claire
  • , , 609 Johnson Ave., 49204, Tulsa, OK 100 Montgomery St. 10th Floor
  • Home: (555) 432-1000
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Professional Summary

● Over 9 years of experience as a UNIX System Administrator in a complex high-end server/client environment consisting of multiple operating systems, with expertise in Linux (Red Hat RHEL, centOS & SUSE).

● Experience in Configuration Management, Continuous Integration, Continuous Deployment and Cloud Implementations.

● Developed methodologies for cloud migration, implemented best practices and helped to develop backup and recovery techniques for applications and databases on virtualization platforms.

● Good at Manage hosting plans for Azure Infrastructure, implementing and deploying workloads on Azure virtual machines (VMs).

● Hands on experience on Unified Data Analytics with Databricks, Databricks Workspace User Interface, Managing Databricks Notebooks, Delta Lake with Python, Delta Lake with Spark SQL

● Worked as a Cloud Administrator on Microsoft Azure, involved in configuring Virtual Machines, Storage accounts, Service principals for Storage Accounts and Resource groups

● Managing Virtual Networks and subnets in Azure

● Creating and managing Network security Groups for Virtual machines and Virtual Networks for security purposes.

● Managed Patches, Upgrades and Licensed Products for System software on all flavors of UNIX and Linux Servers.

● Experience in Data Replication using DRBD (For Block level replication) and Storage High availability for xen domU using ISCSI-HA storage gateways.

● Experience on HA-Clusters, with Pacemaker, Xen and DRBD

● Involved in System Analysis, Design, Coding, Data conversion, Development, and Implementation

● Worked on retrieving the data from Hadoop HDFS according to requirements by writing shell and PySpark scripts

● Created UNIX shell scripts to automate the build process, to perform regular jobs like file transfers between different hosts.

● Worked on UNIX and Linux environments to work on the data files received from various clients, developed shell scripts, and generated reports on top of it.

● Automation and Provisioning using Ansible.

● Used Ansible to Orchestrate software updates and verify functionality

Work History
ACS Carnival SRE, 01/2022 to Current
AppleCity, STATE,
  • Responsible for providing the platform for mission critical cloud systems to maintain constant uptime and allow for new applications and servers to flourish.
  • Responsible for the Carnival service and support operations with a focus to improve stability
  • Participated in on-call rotation for carnival support, troubleshooting P1, P2 incidents, responding to inquiries, identifying and assessing clients' needs, resolving problems.
  • Performed Kernel Patching on Carnival Servers and MQ Servers, Java Upgrades and Firmware Upgrades on TH nodes.
  • Performed Failover activity from Servers from one DC to another across QA, Prod and other environments.
  • Worked on creating QA Codex endpoints in MR Data center.
  • Wrote a script snoozecrond to disable cron temporarily so we can disable cron, but have it spin back up on its own.
  • Automated small tasks like route-scan etc for repetitive tasks depending on the criteria

UNIX / DATA Engineer, 02/2019 to 01/2022
  • Collaborated with other teams on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
  • Involved in System Analysis, Design, Coding, Data conversion, Development, and Implementation
  • Created Hive tables, partitions and implemented incremental imports to perform ad-hoc queries on structured data
  • Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing
  • Exposed Virtual machines and cloud services in the VNets to the Internet using Azure External Load Balancer
  • Designed Network Security Groups (NSGs) to control inbound and outbound access to network interfaces (NICs), VMs and subnets
  • Setup Azure Virtual Appliances (VMs) to meet security requirements as software-based appliance functions (firewall, WAN optimization and intrusion detections)
  • Create UNIX shell scripts to automate the build process, to perform regular jobs like file transfers between different hosts
  • Extract, clean and join data using UNIX and Linux shell scripts and continue to refine data sets for data scientist teams to meet requirements
  • Import Data from various systems/sources like Teradata, Vertica, Palantir, Snowflake into Databricks
  • Responsible for estimating the cluster size, monitoring, and troubleshooting of the Spark databricks cluster
  • Build comprehensive summary presentations to executive and technical team
  • Created and developed ECG file Transfer Linux Shell Scripts and used them with TALEND jobs
  • Worked on UNIX and Linux environments to work on the data files received from various clients, developed shell scripts, and generated reports on top of it
  • Worked on Shell scripting to automate the Sqoop, Hive, HBase, Pig jobs to run daily for data loads
  • Pre-processed jobs using Spark Data frames to flatten JSON documents to flat file and Loaded D-Stream data into Spark RDD and in memory data Computation to generate Output response
  • Working on converting Hive Queries into spark transformations using Spark SQL
  • Developed Unit test cases for Hadoop M-R jobs and driver classes with MR Testing library
  • Involved in troubleshooting issues on the Hadoop ecosystem, understanding of systems capacity, bottlenecks, basics of memory, CPU, OS, storage, and networks
  • Worked with different teams to ensure data quality and availability
  • Worked with the SCRUM team in delivering agreed user stories on time for every Sprint
  • Work on converting Hive Queries into spark transformations using Spark SQL
  • Build analytical solutions and models by mining large data sets and integrating diverse data sources
  • Acquire data from relational databases like Oracle into HDFS and build Hive tables for these data sets to help in data analysis
  • Identify, analyze, and interpret trends and patterns in complex data sets
  • Present results and recommendations to senior management and business users
  • Strong analytical, planning, and organizational skills with an ability to manage competing demands
  • Experience in data exploration and visualization with large data sets
Linux Stability & Support L2, 07/2013 to 02/2019
IBM, BentonvilleCity, STATE,
  • Experience in installing WINDOWS 2008 Servers as HVM guests using Xen on SLES 11
  • Played a crucial role in migrating physical 2003 and 2008 servers to virtual
  • Hands on experience in adding windows servers to active directory / Domain and troubleshooting domain related issues
  • Production Support for SUSE Xen, Pacemaker and DRBD clusters, SuSE Linux Enterprise servers, IBM Hardware, VMWare
  • Working with new cluster builds, adding resources to clusters for virtual guests, storage devices for HA
  • Troubleshoot issues with virtual and physical networks, pertaining to OS and Hypervisor
  • OS upgrades for SLES 10 and SLES 11 in virtual and physical servers
  • Troubleshoot issues with repositories and driver compatibility during upgrades
  • Adding storage and creating raw devices in linux servers, presenting to databases like informix, and Oracle
  • Encrypting required file systems and raw devices in linux , with Vormetric encryption software, register and unregister to the Appliances for encryption and decryption
  • Troubleshooting issues with system boot up, rescue, and restore required configurations files, assisting with DR procedures for Windows and Linux VMs running on Suse Xen
  • Resolving Split-Brain issues with DRBD ensuring data security and enabling data replication
  • Configuring STONITH in Pacemaker Clusters and adding resource monitors to trigger STONITH
  • Assisting with Hardware replacements on IBM S-Chassis, E-Chassis Blade centers, IBM System X3650, M3 and M4
  • Setup AMM and IMM for remote management
  • Configuring Cisco 2950 catalyst, for private networks which run backups and Disaster recovery
  • Responsible for Installation, Configuration Management, Maintenance and Systems Development of Linux Systems
  • Converted Aix to Linux for international Walmart properties
  • Assisted Field Tech to install new M4 servers, decom old Equipment, migration, and installation of servers
  • Responsible for Configuring VLANs on IBM Blade center, Nortel Switches, and CISCO switches
  • Host based migration and replication with Linux / Aix
  • Migration with internal and external disk
  • Network based file and block migrations
  • Migrated data between different storage arrays, Migrate data between internal and external storage disks
  • Monitoring of IBM AIX and Linux like Generating Daily Health Checkup reports physically or internally using du, df, top, dmesg, who, free
  • Monitoring of All UNIX/Linux flavors like AIX, Linux
  • Used Ansible as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change
  • Managing the configurations of multiple servers using Ansible
  • Implemented Ansible to manage all existing servers and automate the build/configuration of new servers
  • Experience with working on ServiceNow to manage Incidents and Requests based on the priority
  • Installation of operating systems and configuration of kernel parameters for Linux/Unix servers
  • Used TAR tool in archive management for files and directories, also used gzip and bzip2 in compression of files
  • Worked on creating and maintaining servers on VMware platform
  • Worked on creating, maintaining, and troubleshooting Disk partitioning, LVM
  • Automated updating and maintenance process in production environment using shell scripts
  • Installed, updated, and configured the necessary packages using the RPM and YUM software/package management
  • Administered local and remote servers using SSH (secure shell) tool on daily basis
  • Automated some jobs by deploying the CRON tool for job scheduling processes
  • Deployed and installed new servers and their appropriate services for various applications in Linux
Master of Science: COMPUTER SCIENCE, Expected in 04/2013
VIU - Fairfax, VA,
Bachelor of Technology: Computer Science, Expected in 04/2011
JNTU - Kakinada, India,

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Resume Overview

School Attended

  • VIU
  • JNTU

Job Titles Held:

  • ACS Carnival SRE
  • UNIX / DATA Engineer
  • Linux Stability & Support L2


  • Master of Science
  • Bachelor of Technology

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