Analyst - Big Data System Administrator
BT Wholesale
1d ago


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 security.

Experience of security and cyber telemetry, log feeds and intelligence platforms.

Experience of configuration management tools (Puppet, Ansible)

Due to the nature of the work our team undertake, you’ll need to be security cleared to be able to join us. This means you’ll need to meet our residency criteria*

Why choose us?

Security is part of our DNA we’ve been at the forefront of cyber security development ever since our very own Tommy Flowers carried out ground-

breaking work in encryption with Alan Turing during the Second World War.

And because we’ve been doing this for such a long time, we’re a truly trusted partner, so by joining us you’ll have the opportunity to work on projects and accounts that aren’t open to others.

We’re looking for outstanding people to join our team of 3,000 experts. They shield BT and our customers - including nation states, government, armed forces, emergency services, banks and retail outlets -

to keep them safe from cyber-attacks. We work closely with global law enforcement agencies too, all in support of a safer connected world.

By helping us protect the entire country, the work you do will benefit everyone in the UK.

  • You must be born or naturalised British Citizen and one of your parents must be a British Citizen or have substantial ties to the UK.
  • Candidates must normally have been a resident in the UK for the nine of out the last ten years prior to their application and this is particularly important if you were born outside of the UK.

    You’ll still be considered if you have, for example, served overseas with HM Armed Forces or in some other official capacity as a representative of Her Majesty’s Government, studied abroad or lived overseas with your parents.


    We value different perspectives, skills and experiences. We’re creating an inclusive working culture where people from all backgrounds can succeed.

    That’s why we welcome applications from all parts of the community.

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