Sr. Site Reliability Engineering

Company DescriptionVisa is a world leader in payments and technology with over 259 billion payments transactions flowing safely between consumers merchants financial institutions and government entities in more than 200 countries and territories each year Our mission is to connect the world through the most innovative convenient reliable and secure payments network enabling individuals businesses and economies to thrive while driven by a common purpose - to uplift everyone everywhere by being the best way to pay and be paid Make an impact with a purpose-driven industry leader Join us today and experience Life at Visa A Senior Site Reliability Engineer must perform a variety of tasks and demonstrate a profound understanding of Hadoop and its related tools such as Hive Spark and HDFS and need to have hands on experience on PySpark Pythin The primary responsibilities include Single Window Support Utilize an in-depth understanding of Hadoop and its related tools especially Hive Spark and HDFS and also experience on PySpark Python to conduct comprehensive root cause analyses whether they are platform data or user code related System Configuration Recommend necessary system changes to the DAP platform engineering team by examining system activity and user logs for triaging and troubleshooting Performance Tuning Guide team members in crafting efficient queries by leveraging expertise in performance tuning and optimization strategies for big data technologies Issue Resolution Across Tech Teams Troubleshoot and resolve complex technical issues Identify root causes determine which tech data platform team can rectify it and coordinate amongst those teams Reliability Engineering Create reports to define performance and resolution metrics for proactively identifying issues and generating alerts Office Hours and Liaising Participate in calls across different regions in multiple time zones to ensure timely client delivery Knowledge Cataloging and Sharing Share knowledge and cross-train peers across geographic regions using wikis and communication tools Provide communication around issues outages affecting multiple users Develop Standards The team should prepare standard configurations for a variety of VCA workloads to ensure jobs run with optimal settings maintaining good cluster health while executing jobs efficiently Continuous Learning of VCA Workload Continuously learn and stay updated with the changing nature of data science jobs to help improve cluster utilization Additionally with active engagement collaboration effective communication quality integrity and reliable delivery develop and maintain a trusted and valued relationship with the team customers and business partners This is a hybrid position Hybrid employees can alternate time between both remote and office Employees in hybrid roles are expected to work from the office 2-3 set days a week determined by leadership site with a general guidepost of being in the office 50 or more of the time based on business needs QualificationsBasic Qualifications 2 years of relevant work experience and a Bachelors degree OR 5 years of relevant work experience Preferred Qualifications Practical experience as a Hadoop system engineer specifically in managing Hadoop platforms An ability to solve intricate production problems and debug code A strong understanding of data pipelines built using PySpark Hive and Airflow Experience with scheduling tools such as Airflow Oozie or in building data processing orchestration workflows Proficiency in tuning the performance of applications on Hadoop platforms Good knowledge of the Hadoop ecosystem including Zookeeper HDFS Yarn Hive and Spark Hands-on experience in debugging Hadoop issues both on the platform and applications An understanding of Linux networking CPU memory and storage Knowledge or experience in Python Excellent written and verbal communication skills A strong work ethic the ability to work quickly and smartly and a capacity for understanding complex concepts and functionalities Additional InformationVisa is an EEO Employer Qualified applicants will receive consideration for employment without regard to race color religion sex national origin sexual orientation gender identity disability or protected veteran status Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law