Job Description

Job function

  :   IT, Systems and Security

Working pattern

  :   Standard

Big Data System Administrator - Analyst
Location: Reading


Our purpose is to use the power of communications to make a better world. For each other, for our customers, for society and our communities. We need you to help us do this.


Why this role matters


Security is the fastest-growing part of our business. In a world where the bad guys are getting smarter and cyber-attacks are on the rise, it’s more important than ever that our security teams bring their A-game.

By joining us as a Big Data System Administrator, you’ll be able to help us change the world of the better. You’ll be developing and supporting secure applications and systems to combat cyber-crime and threats to the UK’s Critical National Infrastructure for both BT and our customers.


What you'll be doing


BT Security is a branch of BT Global Services. We research, develop, deploy and support secure applications and systems to combat cyber-crime and threats to BT and our customers.   We value our close relationship with customers, cultivate innovative teams and create cutting-edge solutions to technical problems. 

The role holder will assist in the continuous evolution of BT’s Cyber Security Platform - to ensure it stays ahead of the relentless innovation of the client’s cyber adversaries. They will work alongside both BT and the client’s own staff providing their analytical skills to evolve cyber security use cases and provide in-depth technical assistance for the components of the platform. The role will be located at customer premises and requires an MOD DV.  

BT’s Cyber Security Platform is a cutting edge solution combining big data and cyber security applications. The role holder will work in a mixed Linux/Windows environment, developing and administering Hadoop and Elasticsearch ecosystems. They will understand client requirements and translate these to technical or analytical solutions, integrating them seamlessly into the existing solution to improve the Cyber Security Platform.

Key Responsibilities:

  • To innovate and develop the BT Cyber Security Platform.

  • Represent BT at customer security workshops.

  • Upskill team members in the domain of big data platforms and development.

  • Carry out design, development, integration and testing of cyber security platforms and services.

  • Maintain knowledge of the Hadoop and Elasticsearch ecosystems and related emerging technologies.

  • Maintain knowledge of current trends in data handling techniques including life cycle and security maintenance.

  • Maintain knowledge of security and cyber telemetry, log feeds and intelligence platforms.

  • Maintain knowledge and awareness of current threat trends and security technologies.


We'll also need to see these on your CV


Required Skills:

  • Experience of working in a complex technical development and integration environment.

  • Strong Linux experience, including administration and development.

  • Experience with supporting production big data platforms such as Hadoop and Spark.

  • Qualified to degree level or equivalent professional experience and/or with recognised qualifications.

  • Good interpersonal skills with the ability to maintain the highest standards of professionalism.

  • Ability to explore and learn new technologies and effectively disseminate key features to a community.

Desired Skills:

  • Extensive knowledge leveraging Hadoop skills to find innovative approaches to problems.

  • Extensive knowledge of the Elastic stack, including Elasticsearch, Logstash and Kibana.

  • Experience with prototype development using either: Scala, Java, Python or R for streaming and batch ETL workloads.

  • Experience with using scripting to automate various processes.

  • Experience of Linux system administration and Linux system troubleshooting.

  • Experience of network structure and sec

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