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Vodafone
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IT/Technology
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Vodacom Group Of Companies


Vodacom is a Leading African Mobile communication company providing wider range of communication services including mobile voice, messaging, data and converged services to over 73.6 million customers.  From our roots in South Africa, we have grown our mobile network business to include operations in Tanzania, DRC, Mozambique and Lesotho. The mobile networks cover a total population of approximately 200 million people.  Through Vodacom Business Africa (VBA) we also offer business managed services to enterprises in over 40 countries across the continent.  Vodafone is the majority shareholder of Vodacom and has a 65% share.


We’re at our best when we lead and over the past 20 years, as the Company that pioneered mobile in South Africa, Vodacom has achieved a remarkable list of firsts.  We’re immensely proud to be a leader in our field and are 100% committed to continue trailblazing. 


We employ individuals who are as passionate about customers as we are. We are truly Customer Obsessed which means that we are passionate about exceeding customer expectations; work relentlessly to really understand the customer; look at decisions through the customer’s eyes and take personal accountability for the customer experience.


We have the below vacancy available in our Organisation:


The G Band Senior Specialist: Support Analyst role is based within Local Technology


The role of the Senior Specialist: Support Analyst is to be responsible for and ensuring of data import and processing into the BDP.  Installation of CDH repository, OS level configuration, new type of I/O compression library cluster, and Hadoop installation &support including the Cloudera manager, adding new nodes and services to the cluster


 

Your responsibilities will include: 

  •  Configure and Maintain Name Node/ Resource manager High Availability (HA), including Hive, Impala
  •  Manage cluster support by rebalancing the cluster, setting up alerting for disk fill, and YARN resource management;
  • Configure HDFS ACLs, Sentry, Hue user authorization and authentication; 
  • Continuous benchmarking of the cluster ‘s operational metrics, test systems configuration for operational efficiency;
  • Resolve all logged incidences and service requests (SR) Troubleshoot and resolve errors/warnings in Cloudera Manager and application delays. Resolve performance problems/errors in operations
  • Provide guidance and decisive technical leadership
  • Ensure the BDP cluster is secured from potential vulnerabilities
  • Provided a leadership role with key stakeholders for optimal deliverance of use cases
  • Drive DevOps way of working
  • Expert level experience with using Spark, Yarn, Hive and Oozie
  • Python and Scala programming ability will be an advantage
  • Working knowledge of HBase, Kafka, Cassandra and Flume
  • Ability to work standby and overtime when required
  • Expert knowledge of NiFi, Sqoop and Flume will be an added advantage.


 Key accountabilities and decision ownership:


  • Extensive experience in designing, building and managing BDP applications in ingesting and storing large amounts of data in a Hadoop/HDFS ecosystem;
  • Extensive experience with performance tuning applications on Hadoop/YARN and configuring Hadoop/YARN systems to maximise performance;
  • Extensive experience in installing, testing, configuring BDP ecosystems
  • Extensive experience is solving complex requests or service impacting incidents within the BDP cluster
  • Experience working in a multi tenancy Hadoop environment


 Core competencies, knowledge and experience:

  • YARN,
  • Linux, 
  • HDFS
  • CDH
  • Scripting/Java/Python/R


The ideal candidate for this role will have:

·         Matric/ Grade 12 qualification

·         3 year completed Ndip/Degree in Information Technology or equivalent

·         At least 5-8 years IT experience (Telecoms or Fixed mobile advantageous)

·         CCA131 certification (desirable)

·         Knowledge of Big Data (essential)

·         Agile Methodology(desirable)

·         Hadoop or YARN or Linux or HDFS or CDH or Scripting/Java/Python/R (essential)



In addition to the details listed above, the ideal candidate will have an in-depth knowledge and understanding


·         Availability and optimal functioning of the BDP cluster ecosystems

·         Servicing incidents and service requests in a timely manner

·         Adjustment to the Agile environment



 

The base location for this role is Midrand, Commercial Park


The Company’s approved Employment Equity Plan and Targets will be considered as part of the recruitment process. As an Equal Opportunities employer, we actively encourage and welcome people with various disabilities to apply.


Vodacom is committed to an organisational culture that recognises, appreciates and values diversity & inclusion.


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