{"id":48507,"date":"2017-12-15T11:00:05","date_gmt":"2017-12-15T05:30:05","guid":{"rendered":"https:\/\/www.whizlabs.com\/?p=48507"},"modified":"2019-04-11T06:30:31","modified_gmt":"2019-04-11T06:30:31","slug":"big-data-careers","status":"publish","type":"post","link":"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/","title":{"rendered":"Which Career Should I Choose &#8211; Spark Developer or Hadoop Admin?"},"content":{"rendered":"<p style=\"text-align: justify;\"><span lang=\"EN-GB\">Today\u2019s IT job market is revolving around Big data analytics, 60% of the highest paid jobs direct to Big data careers. However, the job market is ever changing in IT industry and organizations look for well-honed staffs. Hence, if you are looking for a career in Big data, you will be happy to know that Big data market is growing rapidly not only in IT sector but also in banking, marketing, and advertising sectors.<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">As per the statistics, there will be almost <a href=\"https:\/\/www.whizlabs.com\/blog\/job-trends-for-big-data-professionals\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>50,000 vacancies related to\u00a0<\/strong><\/a><strong>Big data\u00a0<\/strong>are currently available in different business sectors of India.\u00a0Hadoop is a vast framework covering Hadoop administration and programming areas. It demands skills as <a href=\"https:\/\/www.whizlabs.com\/blog\/introduction-to-apache-spark\/\" target=\"_blank\" rel=\"noopener noreferrer\">Spark developer<\/a>, Hadoop administration etc and opens up the horizon for a programmer and a non-programmer at the same time. Moreover, whether you are a fresher or experienced, you can step into Big data careers with proper training and certifications.<\/span><\/p>\n<blockquote><p><a href=\"https:\/\/www.whizlabs.com\/blog\/best-big-data-certifications\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-49226\" src=\"https:\/\/www.whizlabs.com\/wp-content\/uploads\/2017\/12\/The-Best-Big-Data-Certifications.jpg\" alt=\"Best Big Data Certifications\" width=\"728\" height=\"90\" \/><\/a><\/p><\/blockquote>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ea7e02;color:#ea7e02\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ea7e02;color:#ea7e02\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/#Which_Big_Data_Career_is_Suitable_for_You\" >Which Big Data Career\u00a0is Suitable for You?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/#What_does_a_Hadoop_Admin_do\" >What does a Hadoop Admin do?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/#What_does_a_Hadoop_Developer_do\" >What does a Hadoop Developer do?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/#Salary_Trend_in_the_Market_for_Hadoop_Developer_and_Administrator\" >Salary Trend in the Market for Hadoop Developer and Administrator<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/#Job_Trend_in_the_Market_for_Big_data\" >Job Trend in the Market for Big data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.whizlabs.com\/blog\/big-data-careers\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Which_Big_Data_Career_is_Suitable_for_You\"><\/span><span lang=\"EN-GB\">Which Big Data Career\u00a0is Suitable for You?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">We can answer this question from many angles.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span lang=\"EN-GB\">Big data careers can be directed in two main streams \u2013<\/span><\/strong><\/p>\n<ol style=\"text-align: justify;\">\n<li><span lang=\"EN-GB\">Hadoop administration<\/span><\/li>\n<li><span lang=\"EN-GB\">Hadoop programmer <\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">Hadoop administration <\/span><span lang=\"EN-GB\">is open to all in <\/span><span lang=\"EN-GB\">Big data careers<\/span><span lang=\"EN-GB\">. Whether you are a database administrator, non-programmer or a fresher you can explore this area. Moreover, if you are already in <\/span><span lang=\"EN-GB\">Big data careers<\/span> <span lang=\"EN-GB\">and well acquainted with Hadoop ecosystem, <\/span><span lang=\"EN-GB\">Hadoop administration <\/span><span lang=\"EN-GB\">will add a feather in your cap. Whereas if you are not familiar with any programming languages like Java, Python, exploring Big data careers in Hadoop programming may be a little challenge for you. However, with proper training and practice, you can flourish <\/span><span lang=\"EN-GB\">Big data careers<\/span><span lang=\"EN-GB\"> as a Spark developer easily. If you want to know more specifically what the job responsibilities of a Hadoop admin and a Hadoop programmer keep on reading the next sections. It is always easier to validate your position with the right information and data points.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"What_does_a_Hadoop_Admin_do\"><\/span><span lang=\"EN-GB\">What does a Hadoop Admin do?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">With the increased adoption of Hadoop, there is a huge demand for Hadoop administrators to handle large Hadoop clusters in the organizations. A Hadoop admin performs a strong job role, he acts as the nuts and bolts of the business. A Hadoop admin is not only responsible to administrate manage Hadoop clusters but also manage other resources of the Hadoop ecosystem. His duties involve handling installation and maintenance of Hadoop clusters, performing an unaffected operation of Hadoop clusters, and manage overall performance.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b><span lang=\"EN-GB\">Responsibilities of Hadoop Admin<\/span><\/b><\/h4>\n<ul style=\"text-align: justify;\">\n<li><span lang=\"EN-GB\">Installation of Hadoop in Linux environment.<\/span><\/li>\n<li><span lang=\"EN-GB\">Deploying and maintaining a Hadoop cluster.<\/span><\/li>\n<li><span lang=\"EN-GB\">Ensuring a Hadoop cluster is up and running all the time<\/span><\/li>\n<li><span lang=\"EN-GB\">To decide the size of the Hadoop cluster based on the data to be stored in HDFS.<\/span><\/li>\n<li><span lang=\"EN-GB\">Creating or removing a new node in a cluster environment.<\/span><\/li>\n<li><span lang=\"EN-GB\">Configuring NameNode <\/span><span lang=\"EN-GB\">and its high availability<\/span><\/li>\n<li><span lang=\"EN-GB\">Implement and administer Hadoop infrastructure on an ongoing basis.<\/span><\/li>\n<li><span lang=\"EN-GB\">To deploy new and required hardware and software environments for Hadoop. In addition to that working on expanding existing environments.<\/span><\/li>\n<li><span lang=\"EN-GB\">Creating Hadoop users including Linux users for different Hadoop ecosystem components and testing the access. Moreover, as a Hadoop administrator, you need to set up Kerberos principals <\/span><\/li>\n<li><span lang=\"EN-GB\">Performance tuning in Hadoop clusters environment and also for Map Reduce.<\/span><\/li>\n<li><span lang=\"EN-GB\">Screening of Hadoop cluster performances <\/span><\/li>\n<li><span lang=\"EN-GB\">Monitoring connectivity and security in the cluster environment.<\/span><\/li>\n<li><span lang=\"EN-GB\">Managing and reviewing log files.<\/span><\/li>\n<li><span lang=\"EN-GB\">File system management.<\/span><\/li>\n<li><span lang=\"EN-GB\">Providing necessary support and maintenance for HDFS.<\/span><\/li>\n<li><span lang=\"EN-GB\">Performing necessary backup and recovery jobs in Hadoop <\/span><\/li>\n<li><span lang=\"EN-GB\">Coordinating with the other business teams like infrastructure, network, database, application, and intelligence to ensure high data quality and availability.<\/span><\/li>\n<li><span lang=\"EN-GB\">Resource management.<\/span><\/li>\n<li><span lang=\"EN-GB\">Installing operating system and Hadoop updates when required. Furthermore, collaborating with application team for such installations.<\/span><\/li>\n<li><span lang=\"EN-GB\">As a Hadoop admin working as Point of Contact for Vendor communications.<\/span><\/li>\n<li><span lang=\"EN-GB\">Troubleshooting<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">Hence, keeping in mind the above points you must possess the following skills to achieve <\/span><span lang=\"EN-GB\">Big data careers<\/span> <span lang=\"EN-GB\">as Hadoop admin.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b><span lang=\"EN-GB\">Required Skills for <\/span><\/b><b><span lang=\"EN-GB\">Hadoop Administration<\/span><\/b><b><\/b><\/h4>\n<ul style=\"text-align: justify;\">\n<li><span lang=\"EN-GB\">Hadoop runs on Linux. Hence, you should have excellent working knowledge of LINUX<\/span><\/li>\n<li><span lang=\"EN-GB\">Good experience in shell scripting<\/span><\/li>\n<li><span lang=\"EN-GB\">Good understanding of OS levels like process management, memory management, storage management and resource scheduling.<\/span><\/li>\n<li><span lang=\"EN-GB\">Good hold on configuration management.<\/span><\/li>\n<li><span lang=\"EN-GB\">Basic knowledge of networking.<\/span><\/li>\n<li><span lang=\"EN-GB\">Knowledge of automation tools related to installation.<\/span><\/li>\n<li><span lang=\"EN-GB\">Knowledge of cluster monitoring tools <\/span><\/li>\n<li><span lang=\"EN-GB\">Programming knowledge of core java is an added advantage but not mandatory.<\/span><\/li>\n<li><span lang=\"EN-GB\">Good knowledge of networking<\/span><\/li>\n<li><span lang=\"EN-GB\">Good understanding of Hadoop ecosystem and its components like Pig, Hive, Mahout, etc.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"What_does_a_Hadoop_Developer_do\"><\/span><span lang=\"EN-GB\">What does a Hadoop Developer do?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">Hadoop\u2019s programming part is handled through Map Reduce or Spark. However, Spark is going to replace Map Reduce in near future. Hence, if you want to be a Spark developer, your first and foremost job responsibility should be understanding data. Big data careers are all about handling with the big chunk of data. Hence if you want to stand out as a developer you should understand data and its pattern. Unless you are familiar with data it will be hard for you to get a meaningful insight out of those data chunk. Furthermore, you can foresee the possible results out of those scattered chunks of data. <\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">In a nutshell, as a developer, you need to play with data, transform it programmatically, and decode it without destroying any information hidden in the data. In addition to that, it is all about programming knowledge. You will receive either unstructured or a structured data and after cleaning through various tools will need to process those in the desired format.\u00a0<\/span><span lang=\"EN-GB\">However, this is not the only job that you have to do as a Spark developer. There are many other jobs to do on daily basis.\u00a0<\/span><\/p>\n<h4><strong>Responsibilities of Spark Developer<\/strong><\/h4>\n<ul style=\"text-align: justify;\">\n<li><span lang=\"EN-GB\">Loading data using ETL tools from different data platforms into Hadoop platform.<\/span><\/li>\n<li><span lang=\"EN-GB\">Deciding file format that could be effective for a task.<\/span><\/li>\n<li><span lang=\"EN-GB\">Understanding the data mapping i.e. Input-output transformations.<\/span><\/li>\n<li><span lang=\"EN-GB\">Cleaning data through streaming API or user-defined functions based on the business requirements.<\/span><\/li>\n<li><span lang=\"EN-GB\">Defining Job Flows in Hadoop.<\/span><\/li>\n<li><span lang=\"EN-GB\">Creating data pipelines to process real-time data. However, this may be streaming and unstructured data.<\/span><\/li>\n<li><span lang=\"EN-GB\">Scheduling Hadoop jobs.<\/span><\/li>\n<li><span lang=\"EN-GB\">Maintaining and managing log files.<\/span><\/li>\n<li><span lang=\"EN-GB\">Hand holding with Hive and HBase for schema operations.<\/span><\/li>\n<li><span lang=\"EN-GB\">Working on Hive tables to assign schemas.<\/span><\/li>\n<li><span lang=\"EN-GB\">Deploying HBase clusters managing them.<\/span><\/li>\n<li><span lang=\"EN-GB\">Working on pig and hive scripts to perform different\u00a0 joins on datasets <\/span><\/li>\n<li><span lang=\"EN-GB\">Applying different HDFS formats and structure like to speed up analytics. For example Avro, Parquet etc.<\/span><\/li>\n<li><span lang=\"EN-GB\">Building new Hadoop clusters<\/span><\/li>\n<li><span lang=\"EN-GB\">Maintaining the privacy and security of Hadoop clusters.<\/span><\/li>\n<li><span lang=\"EN-GB\">Fine tuning of Hadoop applications.<\/span><\/li>\n<li><span lang=\"EN-GB\">Troubleshooting and debugging any Hadoop ecosystem at runtime.<\/span><\/li>\n<li><span lang=\"EN-GB\">Installing, configuring and maintaining enterprise Hadoop environment if required<\/span><\/li>\n<\/ul>\n<p>[divider \/]<\/p>\n<p><a href=\"https:\/\/www.whizlabs.com\/spark-developer-certification\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter wp-image-49232 size-full\" src=\"https:\/\/www.whizlabs.com\/wp-content\/uploads\/2017\/12\/The-Best-Big-Data-Certifications-2.jpg\" alt=\"spark Certification\" width=\"728\" height=\"90\" \/><\/a><\/p>\n<p>[divider \/]<\/p>\n<h4 style=\"text-align: justify;\"><b><span lang=\"EN-GB\">Required Skills for Spark Developer<\/span><\/b><\/h4>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">From the above-mentioned job responsibilities, you must have gained some overview of required skills you must possess as a Hadoop developer. Let\u2019s look into the list to get a comprehensive idea.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span lang=\"EN-GB\">A clear understanding of each component of Hadoop ecosystem like HBase, Pig, Hive, Sqoop, Flume, Oozie, etc.<\/span><\/li>\n<li><span lang=\"EN-GB\">Knowledge of Java is essential for a Spark developer.<\/span><\/li>\n<li><span lang=\"EN-GB\">Basic knowledge of Linux and its commands<\/span><\/li>\n<li><span lang=\"EN-GB\">Excellent analytical and problem-solving skills.<\/span><\/li>\n<li><span lang=\"EN-GB\">Hands on knowledge of scripting languages like Python or Perl.<\/span><\/li>\n<li><span lang=\"EN-GB\">Data modeling skills with OLTP and OLAP<\/span><\/li>\n<li><span lang=\"EN-GB\">Understanding of data and its pattern<\/span><\/li>\n<li><span lang=\"EN-GB\">Good hands-on experience of java scheduling concepts like concurrency and multi-threading programming.<\/span><\/li>\n<li><span lang=\"EN-GB\">Knowledge of data visualizations tools like Tableau.<\/span><\/li>\n<li><span lang=\"EN-GB\">Basic database knowledge of SQL queries and database structures.<\/span><\/li>\n<li><span lang=\"EN-GB\">Basic knowledge of some ETL tools like Informatica.<\/span><b><\/b><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Salary_Trend_in_the_Market_for_Hadoop_Developer_and_Administrator\"><\/span><span lang=\"EN-GB\">Salary Trend in the Market for Hadoop Developer and Administrator<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">The package does not vary much for different positions in Big Data. The average salary for a Hadoop admin is around <strong>$123,000 per year<\/strong> whereas for a Spark developer it could be <strong>$110,000<\/strong>. However, salary should not be the prime concern while choosing the Big Data careers. Because with experience it will increase automatically. Moreover, if you obtain a Hadoop certification it will give you an extensive knowledge along with a future scope in your <\/span><span lang=\"EN-GB\">Big data careers<\/span><span lang=\"EN-GB\"> with an amazing salary.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Job_Trend_in_the_Market_for_Big_data\"><\/span><span lang=\"EN-GB\">Job Trend<\/span> <span lang=\"EN-GB\">in the Market for Big data<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span lang=\"EN-GB\">This is an obvious fact that market demands for developers are more than the administrator in <\/span><span lang=\"EN-GB\">Big data careers.<\/span><span lang=\"EN-GB\"> A developer can take over the job of a Hadoop administrator whereas an admin can\u2019t play the role of a developer unless he has adequate programming knowledge. However, with the huge and complex production environment, now companies need dedicated Hadoop administrators.<\/span><\/p>\n<blockquote><p><a href=\"https:\/\/www.whizlabs.com\/blog\/job-trends-for-big-data-professionals\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-49229\" src=\"https:\/\/www.whizlabs.com\/wp-content\/uploads\/2017\/12\/The-Best-Big-Data-Certifications-1.jpg\" alt=\"Big Data Careers\" width=\"728\" height=\"90\" \/><\/a><\/p><\/blockquote>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span lang=\"EN-GB\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\">If you are a programming savvy then definitely Spark developer would be an easy transition and right fit for you. However, if you are a software administrator and want to continue to this role then go for Hadoop administration. Finally, the choice is solely up to you and your knack towards the <\/span><span lang=\"EN-GB\">Big Data careers <\/span><span lang=\"EN-GB\">you are looking for your future<\/span><span lang=\"EN-GB\">.<\/span><\/p>\n<p>[divider \/]<\/p>\n<p style=\"text-align: justify;\"><em><span lang=\"EN-GB\">A good Training, <a href=\"https:\/\/www.whizlabs.com\/big-data-certifications\/\" target=\"_blank\" rel=\"noopener noreferrer\">Certifications in Big Data<\/a> and 100% dedication can make anything possible. Remember one day you started from scratch!<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today\u2019s IT job market is revolving around Big data analytics, 60% of the highest paid jobs direct to Big data careers. However, the job market is ever changing in IT industry and organizations look for well-honed staffs. Hence, if you are looking for a career in Big data, you will be happy to know that Big data market is growing rapidly not only in IT sector but also in banking, marketing, and advertising sectors. As per the statistics, there will be almost 50,000 vacancies related to\u00a0Big data\u00a0are currently available in different business sectors of India.\u00a0Hadoop is a vast framework covering [&hellip;]<\/p>\n","protected":false},"author":220,"featured_media":49177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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