Period
to 18 September 2020

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Big Data skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Big Data over the 6 months to 18 September 2020 with a comparison to the same period in the previous 2 years.

Big Data
East of England > Hertfordshire
6 months to
18 Sep 2020
Same period 2019 Same period 2018
Rank 45 130 146
Rank change year-on-year +85 +16 +45
Permanent jobs citing Big Data 19 27 67
As % of all permanent jobs advertised in Hertfordshire 3.44% 1.05% 1.60%
As % of the Database & Business Intelligence category 11.31% 4.39% 6.17%
Number of salaries quoted 13 32 53
Median annual salary £55,000 £65,000 £57,500
Median salary % change year-on-year -15.38% +13.04% +22.34%
10th Percentile £48,250 £42,500 £35,000
90th Percentile £72,500 £96,000 £72,500
East of England median annual salary £60,000 £65,000 £60,000
% change year-on-year -7.69% +8.33% +26.32%

Big Data is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
Hertfordshire
Permanent vacancies with a requirement for database or business intelligence skills 168 615 1,086
As % of all permanent IT jobs advertised in Hertfordshire 30.38% 23.81% 25.94%
Number of salaries quoted 140 463 899
Median annual salary £55,000 £47,500 £51,000
Median salary % change year-on-year +15.79% -6.86% +8.40%
10th Percentile £31,250 £32,500 £35,000
90th Percentile £72,625 £66,000 £75,000
East of England median annual salary £47,500 £47,500 £47,500

Big Data
Job Vacancy Trend in Hertfordshire

Job postings citing Big Data as a proportion of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Big Data in Hertfordshire

Big Data
Salary Trend in Hertfordshire

3-month moving average salary quoted in jobs citing Big Data in Hertfordshire.

Salary trend for Big Data in Hertfordshire

Big Data
Salary Histogram in Hertfordshire

Salary distribution for jobs citing Big Data in Hertfordshire over the 6 months to 18 September 2020.

Salary histogram for Big Data in Hertfordshire

Big Data
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Big Data within the Hertfordshire region over the 6 months to 18 September 2020. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield - 5 - - 1
Welwyn Garden City +26 3 £52,500 -19.23% 1
Hemel Hempstead +28 2 £50,000 -40.30%
St Albans +22 2 £55,000 -15.38%
Harpenden - 1 £65,000 -
Big Data
East of England

For the 6 months to 18 September 2020, IT jobs citing Big Data also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for Big Data.

1 8 (42.11%) Data Governance
1 8 (42.11%) SQL
2 7 (36.84%) ETL
2 7 (36.84%) Business Intelligence
2 7 (36.84%) Information Management
2 7 (36.84%) AWS
2 7 (36.84%) Talend
2 7 (36.84%) Amazon Redshift
3 6 (31.58%) Data Quality
3 6 (31.58%) Linux
3 6 (31.58%) Apache
3 6 (31.58%) Data Management
4 5 (26.32%) Social Media
4 5 (26.32%) Atlassian Bamboo
4 5 (26.32%) Analytics
4 5 (26.32%) Jenkins
4 5 (26.32%) Ansible
4 5 (26.32%) Docker
4 5 (26.32%) Data Transformation
4 5 (26.32%) DevOps
4 5 (26.32%) Kubernetes
5 4 (21.05%) Problem-Solving
5 4 (21.05%) MongoDB
5 4 (21.05%) NoSQL
5 4 (21.05%) Artificial Intelligence
5 4 (21.05%) Bash Shell
5 4 (21.05%) CentOS
5 4 (21.05%) Red Hat Enterprise Linux
5 4 (21.05%) Git (software)
5 4 (21.05%) Debian

Big Data
Co-occurring IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 6 (31.58%) Apache
2 3 (15.79%) Elasticsearch
3 1 (5.26%) Apache Pulsar
3 1 (5.26%) Apache Spark
Cloud Services
1 7 (36.84%) AWS
2 3 (15.79%) GCP
3 2 (10.53%) Azure
3 2 (10.53%) Power Platform
4 1 (5.26%) Cloud Computing
4 1 (5.26%) Serverless
Communications & Networking
1 2 (10.53%) Skype
2 1 (5.26%) HTTP
Database & Business Intelligence
1 7 (36.84%) Amazon Redshift
2 4 (21.05%) MongoDB
2 4 (21.05%) NoSQL
3 3 (15.79%) BigQuery
3 3 (15.79%) Data Warehouse
3 3 (15.79%) MySQL
3 3 (15.79%) Relational Database
4 2 (10.53%) Data Mining
4 2 (10.53%) MariaDB
4 2 (10.53%) Power BI
4 2 (10.53%) Redis
4 2 (10.53%) SQL Server
5 1 (5.26%) Apache Cassandra
5 1 (5.26%) Apache Ignite
5 1 (5.26%) CouchDB
5 1 (5.26%) Flink
5 1 (5.26%) Hadoop
Development Applications
1 5 (26.32%) Atlassian Bamboo
1 5 (26.32%) Jenkins
2 4 (21.05%) Git (software)
3 3 (15.79%) GitLab
3 3 (15.79%) TeamCity
3 3 (15.79%) Travis CI
4 1 (5.26%) CircleCI
General
1 3 (15.79%) Advertising
2 1 (5.26%) Law
Job Titles
1 9 (47.37%) Data Engineer
2 3 (15.79%) Big Data Engineer
3 2 (10.53%) Architect
3 2 (10.53%) Consultant
3 2 (10.53%) Data Architect
3 2 (10.53%) Developer
3 2 (10.53%) DevOps Consultant
3 2 (10.53%) DevOps Engineer
3 2 (10.53%) Senior Data Engineer
4 1 (5.26%) Hadoop Engineer
4 1 (5.26%) Ruby Developer
4 1 (5.26%) Senior Developer
4 1 (5.26%) Senior Ruby Developer
4 1 (5.26%) Senior Software Developer
4 1 (5.26%) Software Developer
4 1 (5.26%) Software Engineer
Libraries, Frameworks & Software Standards
1 3 (15.79%) Apache NiFi
1 3 (15.79%) REST
2 2 (10.53%) Elastic Stack
2 2 (10.53%) Jinja
2 2 (10.53%) Web Services
3 1 (5.26%) Kafka
3 1 (5.26%) SOAP
Miscellaneous
1 5 (26.32%) Social Media
2 3 (15.79%) Self-Motivation
3 2 (10.53%) Data Centre
4 1 (5.26%) Cyber Defence
4 1 (5.26%) Robotics
Operating Systems
1 6 (31.58%) Linux
2 4 (21.05%) CentOS
2 4 (21.05%) Debian
2 4 (21.05%) Red Hat Enterprise Linux
Processes & Methodologies
1 8 (42.11%) Data Governance
2 7 (36.84%) Business Intelligence
2 7 (36.84%) ETL
2 7 (36.84%) Information Management
3 6 (31.58%) Data Management
4 5 (26.32%) Analytics
4 5 (26.32%) Data Transformation
4 5 (26.32%) DevOps
5 4 (21.05%) Artificial Intelligence
5 4 (21.05%) Problem-Solving
6 3 (15.79%) Data Architecture
6 3 (15.79%) Data Engineering
7 2 (10.53%) Data Science
7 2 (10.53%) Data Visualisation
7 2 (10.53%) Kanban
7 2 (10.53%) Machine Learning
7 2 (10.53%) Master Data Management
7 2 (10.53%) Open Source
7 2 (10.53%) SDLC
7 2 (10.53%) Visualisation
Programming Languages
1 8 (42.11%) SQL
2 4 (21.05%) Bash Shell
2 4 (21.05%) Python
3 1 (5.26%) Clojure
3 1 (5.26%) Elixir
3 1 (5.26%) F#
3 1 (5.26%) Haskell
3 1 (5.26%) JavaScript
3 1 (5.26%) Ruby
3 1 (5.26%) Rust
3 1 (5.26%) Scala
Quality Assurance & Compliance
1 6 (31.58%) Data Quality
2 2 (10.53%) QA
System Software
1 5 (26.32%) Docker
2 2 (10.53%) Hyper-V
2 2 (10.53%) VirtualBox
2 2 (10.53%) VMware Infrastructure
Systems Management
1 5 (26.32%) Ansible
1 5 (26.32%) Kubernetes
2 3 (15.79%) Opscode Chef
2 3 (15.79%) Puppet
3 2 (10.53%) Kibana
3 2 (10.53%) logstash
Vendors
1 7 (36.84%) Talend
2 3 (15.79%) Google
2 3 (15.79%) Percona
3 2 (10.53%) Red Hat
3 2 (10.53%) VMware