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Cassandra Software Engineer
2016-10-26 14:04:39| Space-careers.com Jobs RSS
This is a 6 month fixed term employment position, calling for experience of the Apache Cassandra database management system. You will be placed on assignment based near Munich in Germany. Our client is a 16nation intergovernmental research organisation for astronomy. The main working language is English. The Atacama Large Millimetersubmillimeter Array ALMA, an international partnership of Europe, North America and East Asia in cooperation with the Republic of Chile, is the largest astronomical project in existence. ALMA is a single telescope of revolutionary design, composed of 66 high precision antennas located on the Chajnantor plateau, at 5000 meters altitude in northern Chile. All antennas are now at the ALMA site and the Observatory is transitioning towards fullscale science operations. A software engineer is sought to assist in the setup of a Cassandra cluster to store, and allow querying of, timeseries data from the hardware of the ALMA radio telescope in Chile. Readings are stored from 200,000 sensors, at a rate of up to one per second A test cluster of 6 servers is already in place and assistance is needed to improve this cluster, optimise the configuration, understand any issues, and help to draft operational procedures in conjunction with the operations team in Chile. Assistance is also needed in finding the optimal schema to store the data in a performant, flexible way. A secondary role would be to modify client code for accessing the data. The key experience and attributes sought are Experience of Cassandra is a must from configuration to schema design. An understanding of lowerlevel issues such as Linux and storage configuration is a plus. A logical and thorough way of approaching problems is essential as is the ability to communicate clearly in English. Nicetohave skills include Java development and knowledge of Apache Spark Candidates should possess a University degree or equivalent. Pactum was established in 1988 and provides scientific system services and recruitment consultancy to clients throughout the UK and across continental Europe.
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