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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
Experience
Other titles
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I'm offering
A highly effective, dedicated and conscientious professional with over 20 years of IT experience spanning software development, data architecture and systems administration in internet, security and financial markets technologies. This experience has spanned different types of organisations, ranging from Silicon Valley corporations in the U.S., through to financial services in London and technology start-up companies in U.S., U.K and India.
Educated to degree level in Computing and Information Systems, I value on-going training and education alongside the workplace. In addition to attaining certifications in technology-specific areas such as Red Hat Linux, Amazon ”Architecting on AWS” and MySQL Systems Administration, I am also a HortonWorks Accredited Sales Professional and have taken modules for the M.Sc. in Computing for Commerce and Industry at the Open University, encompassing courses such as Managing Knowledge and Project Management.
I have significant experience of Linux and associated technologies, and am a strong advocate for containerization and PaaS, even though I’m still of a certain vintage that recalls chroot, BSD jail, etc.
Educated to degree level in Computing and Information Systems, I value on-going training and education alongside the workplace. In addition to attaining certifications in technology-specific areas such as Red Hat Linux, Amazon ”Architecting on AWS” and MySQL Systems Administration, I am also a HortonWorks Accredited Sales Professional and have taken modules for the M.Sc. in Computing for Commerce and Industry at the Open University, encompassing courses such as Managing Knowledge and Project Management.
I have significant experience of Linux and associated technologies, and am a strong advocate for containerization and PaaS, even though I’m still of a certain vintage that recalls chroot, BSD jail, etc.
Markets
United Kingdom
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Language
English
Fluently
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
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, BEE, 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
instances
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
instances
Development, Architecture, Open source, Support, Implementation, Transformation, Hive, Infrastructure, Hardware, QA, Retention, BEE, CentOS, Storage, Science, Enterprise, Demo, Access management, Cloud, Linux, Administration, Data Science, Jira, PostgreSQL, Account management, DevOps, Database, Design, ETL, Deployment, Management, Integration, Analytics, Sales, Hadoop, System administration
2008 - 2016
job
EMEA Technical Services Manager
Hexis Cyber Solutions.
Hexis Cyber Solutions (formerly Sensage, Inc.) were a San Francisco-based provider of security information and event management (SIEM) and log management solutions. I was responsible for HawkEye Analytics Platform (AP) technical services requirements in the EMEA region. HawkEye AP was comprised of a large-scale, clustered columnar data warehouse solution for big data, utilising Python, Java and C++ software on Linux, alongside a suite of analytics packages for security and Telco CDR/IPDR event analysis.
Primary responsibilities included full lifecycle project management of professional services engagements, supporting partners in pre-sales and deployment activities, customer escalations, delivering training courses for customers and partners and implementing a partner certification program to ensure that in each country we had capability to provide on-site sales and technical expertise. I also assisted on RFPs, presentations and bid proposals to both new and existing clients, attending meetings and providing presentations as required.
Primary responsibilities included full lifecycle project management of professional services engagements, supporting partners in pre-sales and deployment activities, customer escalations, delivering training courses for customers and partners and implementing a partner certification program to ensure that in each country we had capability to provide on-site sales and technical expertise. I also assisted on RFPs, presentations and bid proposals to both new and existing clients, attending meetings and providing presentations as required.
International sales, Cyber Security, Linux, Big Data
2004 - 2008
job
Operations Manager
Site Confidence.
Designed and supported a range of database solutions, such as configuration data replication to international nodes, and the use of MySQL Cluster for high availability.
Managed a team with responsibility for all aspects of infrastructure, release testing, release rollout management, line management/recruitment, budget management, and liaison with internal development/sales teams and external suppliers.
Managed a team with responsibility for all aspects of infrastructure, release testing, release rollout management, line management/recruitment, budget management, and liaison with internal development/sales teams and external suppliers.
Management, Big Data, It infrastructure
1998 - 2003
project
Independent Consultant
Various repeat roles such as live production DBA and support analyst contracts, covering on-call support for key financial markets trading applications, SQL development, performance tuning and server and tools support (UNIX shell script, Perl script, C code)
Linux-to-Solaris/Sybase-to-Oracle database migrations, setup and support of in-house development environments with Linux/Windows integration and Samba-based Domain Controller configuration, system configuration setups and Sybase performance & tuning debugging, schema design, IBM Websphere 4.0.5 application deployments, etc.
implementation of a purge & data cleansing mechanism in SQL, performance/tuning enhancements to stored procedures and initial scoping of Solaris 8/Sybase ASE 12.5 upgrades.
troubleshooting Solaris or Sybase performance problems at client sites, upgrades/migrations and undertaking large-scale benchmarks or feasibility tests with development versions of Broadridge's Gloss Securities-Processing Solution.
Linux-to-Solaris/Sybase-to-Oracle database migrations, setup and support of in-house development environments with Linux/Windows integration and Samba-based Domain Controller configuration, system configuration setups and Sybase performance & tuning debugging, schema design, IBM Websphere 4.0.5 application deployments, etc.
implementation of a purge & data cleansing mechanism in SQL, performance/tuning enhancements to stored procedures and initial scoping of Solaris 8/Sybase ASE 12.5 upgrades.
troubleshooting Solaris or Sybase performance problems at client sites, upgrades/migrations and undertaking large-scale benchmarks or feasibility tests with development versions of Broadridge's Gloss Securities-Processing Solution.
Sybase, Sql, Linux
My education
London Metropolitan University
BSc, Computing & Information Systems
BSc, Computing & Information Systems
Kemnal Manor School
Secondary, 9 O-level passes
Secondary, 9 O-level passes
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