Senior Specialist: Support Analyst
Vodafone Limited
Johannesburg,South Africa
33d ago

Vodacom is a Leading African Mobile communicationcompany 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 grownour mobile network business to include operations in Tanzania, DRC, Mozambiqueand Lesotho.

The mobile networks cover a total population of approximately 200million people.Through Vodacom BusinessAfrica (VBA) we also offer business managed services to enterprises in over 40countries across the continent.

Vodafoneis the majority shareholder of Vodacom and has a 65% share.

We’re at our best when we lead and over the past 20years, as the Company that pioneered mobile in South Africa, Vodacom hasachieved a remarkable list of firsts.

We’re immensely proud to be a leader in our field and are 100% committedto continue trailblazing.

  • We employ individuals who are as passionate aboutcustomers as we are. We are truly Customer Obsessed which means that we arepassionate about exceeding customer expectations;
  • work relentlessly to reallyunderstand the customer; look at decisions through the customer’s eyes and takepersonal accountability for the customer experience.

    We have the below vacancy available in ourOrganisation :

    The G Bandroleis based within Local Technology

    The roleof the Senior Specialist : SupportAnalyst is to be responsible forand ensuring of data import and processing into the BDP.

    Installation ofCDH repository, OS level configuration, new type of I / O compression librarycluster, and Hadoop installation &support including the Clouderamanager, adding new nodes and services to the cluster

    Yourresponsibilities will include :

  • Configure and Maintain Name Node / Resource managerHigh Availability (HA), including Hive, Impala
  • Manage cluster support by rebalancing thecluster, setting up alerting for disk fill, and YARN resource management;
  • Configure HDFS ACLs, Sentry, Hue userauthorization and authentication;
  • Continuous benchmarking of the cluster soperational metrics, test systems configuration for operational efficiency;
  • Resolve all logged incidences and servicerequests (SR) Troubleshoot and resolve errors / warnings inCloudera Manager and application delays.
  • Resolve performance problems / errors inoperations

  • Provide guidance and decisive technicalleadership
  • Ensure the BDP cluster is secured from potentialvulnerabilities
  • Provided a leadership role with key stakeholdersfor 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 willbe an advantage
  • Working knowledge of HBase, Kafka,Cassandra and Flume
  • Ability to work standby and overtime whenrequired
  • Expert knowledge of NiFi, Sqoop and Flume will bean 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
  • Experienceworking in a multi tenancy Hadoop environment
  • Core competencies, knowledge and experience :

  • HDFS
  • Scripting / Java / Python / R
  • The idealcandidate for this role will have :

  • Matric / Grade12 qualification
  • 3 yearcompleted Ndip / Degree in Information Technology or equivalent
  • At least 5-8years IT experience (Telecoms or Fixed mobile advantageous)
  • CCA131certification (desirable)
  • Knowledge of Big Data (essential)
  • Agile Methodology(desirable)
  • Hadoop or YARNor Linux or HDFS or CDH or Scripting / Java / Python / R (essential)
  • In addition to the details listed above, the idealcandidate will have an in-depth knowledge and understanding

  • Availabilityand optimal functioning of the BDP cluster ecosystems
  • Servicingincidents and service requests in a timely manner
  • Adjustmentto the Agile environment
  • The base location for this role is Midrand, Commercial Park

    The Company’s approved Employment Equity Plan andTargets will be considered as part of the recruitment process. As an EqualOpportunities employer, we actively encourage and welcome people with variousdisabilities to apply.

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

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