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Senior level Consultant/Manager, significant international Pre- and Post-Sales experience, specializing in Big Data and Linux

David Abbott , London, United Kingdom


25 - 40 years

Other titles

Data Architect Technical Solutions Consultant Data Engineer


Linux Solaris Unix Sql Python + 4 more

I'm offering


United Kingdom

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Ready for

  Smaller project
  Larger project
  Ongoing relation / part-time
  Full time contractor


Typically available right away

My experience

2016 - ?   freelance
Senior Consultant iFusion Analytics.
A rolling engagement providing architecture services and support for major EMEA deployments of Hadoop and iFusion Analytics, encompassing multi-node cluster installations to both on-premise and cloud (Azure, AWS) environments. The technology stack was CentOS and Red Hat Enterprise Linux, Hadoop (MapR, Cloudera or Hortonworks), Apache Ambari, PostgreSQL, Java applications in Apache Tomcat 7.x, Presto SQL-on Hadoop + Apache Hive.
Hadoop, Enterprise, CentOS, Hive, Tomcat, Support, Technology, Architecture, Node, Sql, Analytics, Apache, Cloud, PostgreSQL, Azure, AWS, Linux, Java

2018 - 2019   freelance
Data Engineer SpecSavers.
Spark and Linux data engineering services for Specsavers Optical Group Ltd, who required a MapR consultant to help during the migration of a data lake platform from on-premise to Azure. I was responsible for designing and implementing the new MapR-FS volume hierarchy (including ACE/ACL, replication and snapshot configurations) along with workflows to ingest data from a variety of on-premise and cloud-based systems for various analytics requirements. I engaged with diverse groups (data scientists, business analysts, developers, operations) in ETL and BI requirements, supporting toolsets ranging from PySpark, Oozie workflows, Jupyter, Zeppelin, Tableau, etc. Support tasks included Spark performance tuning, CI/CD, evaluation of noSQL MapR-DB opportunities, etc.
Linux, Azure, Cloud, ETL, Tableau, NoSQL, Analytics, Spark, Engineering, Data engineering, Support, BI, Tuning

2018 - 2018   freelance
Hadoop Consultant MS Amlin.
Sub-contracted to provide HortonWorks HDP and HDF cluster support for MS Amlin, an insurer operating in the Lloyd's, UK, Continental Europe and Bermudian markets. The platform was intended to serve as an in-house data lake for both analytics and data retention/migration purposes, and I was solely responsible for the delivery and handover of multiple HDP and HDF clusters running on Linux virtual machines to in-house support teams, integrated with in-house systems.

Typical Duties/Responsibilities
- Full Hadoop stack deployment support to various enterprise teams e.g. to infrastructure (AD integration using Knox, Ranger, Ambari, SSSD/Kerberos) or to BI and data science teams in use of Jupyter, Zeppelin, Hive, etc.
- Producing High-Level and Low-Level Designs, build sheets, Kickstart and post-install scripts for RHEL/CentOS servers
- ETL/ELT architecture design and implementation for data sources ingest and transformation, database migrations, etc.
- Undertake performance evaluations to determine appropriate query performance requirements, ranging from storage formats (e.g. columnar, unstructured, etc.) through to query and/or storage engine selection
- Participation in open source communities and representing iFusion Analytics at meetups and trade shows for MapR, PostgreSQL, Qubole, Presto, etc.
- Working closely with the development and Cloud/DevOps groups, providing Jira issues and feedback on deployment design, performance or product support issues
- Customer account management, attending meetings or conference calls for both pre- and post-sales activities, assisting with demonstrations and POCs, etc.
- Full system administration and secure access management for the iFusion Analytics development/QA/demo on-premise hardware stack at a UK data centre facility
- Producing client images for POC/demo purposes, using OVF and AMI
Development, Arkitektur, Open source, Support, Implementation, Transformation, Hive, Infrastructure, Hardware, QA, Retention, BI, CentOS, Storage, Science, Enterprise, Demo, Access management, Cloud, Linux, Administration, Data Science, Jira, PostgreSQL, Account management, DevOps, Database, Design, ETL, Deployment, Ledelse, Integration, Analytics, Sales, Hadoop, System administration

My education

London Metropolitan University
BSc, Computing & Information Systems

Kemnal Manor School
Secondary, 9 O-level passes

My resume

  Download resume

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