Period
to 29 October 2020

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for HDFS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited HDFS over the 6 months to 29 October 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Hadoop Distributed File System (HDFS)
UK > England
6 months to
29 Oct 2020
Same period 2019 Same period 2018
Rank 419 624 561
Rank change year-on-year +205 -63 -86
Contract jobs citing HDFS 90 155 324
As % of all contract jobs advertised in England 0.32% 0.20% 0.34%
As % of the System Software category 2.24% 1.28% 2.24%
Number of daily rates quoted 69 81 228
Median daily rate £450 £550 £525
Median daily rate % change year-on-year -18.18% +4.76% -4.55%
10th Percentile £356 £427 £447
90th Percentile £675 £700 £700
UK median daily rate £450 £540 £525
% change year-on-year -16.67% +2.86% -4.55%
Number of hourly rates quoted 8 0 3
Median hourly rate £35.00 - £22.00
UK median hourly rate £35.00 - £22.00

HDFS is in the System Software category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for system software skills.

All System Software Skills
England
Contract vacancies with a requirement for system software skills 4,009 12,096 14,475
As % of all contract IT jobs advertised in England 14.34% 15.57% 15.29%
Number of daily rates quoted 2,519 8,092 9,510
Median daily rate £475 £463 £450
Median daily rate % change year-on-year +2.70% +2.78% +5.88%
10th Percentile £222 £175 £185
90th Percentile £645 £638 £625
UK median daily rate £475 £450 £450
% change year-on-year +5.56% - +5.88%
Number of hourly rates quoted 184 585 820
Median hourly rate £19.45 £16.50 £16.00
Median hourly rate % change year-on-year +17.85% +3.13% -4.79%
10th Percentile £11.17 £11.17 £10.57
90th Percentile £48.40 £47.50 £43.75
Median hourly rate £19.50 £17.00 £16.00
% change year-on-year +14.71% +6.25% -4.19%

HDFS
Job Vacancy Trend in England

Job postings citing HDFS as a proportion of all IT jobs advertised in England.

Job vacancy trend for HDFS in England

HDFS
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing HDFS in England.

Daily rate trend for HDFS in England

HDFS
Daily Rate Histogram in England

Daily rate distribution for jobs citing HDFS in England over the 6 months to 29 October 2020.

Daily rate histogram for HDFS in England

HDFS
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing HDFS in England.

Hourly rate trend for HDFS in England

HDFS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing HDFS within the England region over the 6 months to 29 October 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +156 34 £600 +9.09% 7
North of England +128 22 £432 -28.00% 1
North West +98 22 £432 -28.00% 1
Midlands +102 16 £432 -15.71% 2
West Midlands - 14 £432 - 2
South East +166 13 £450 -15.25% 3
South West +105 2 - -
East Midlands +51 2 - -
HDFS
UK

For the 6 months to 29 October 2020, IT contractor jobs citing HDFS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for HDFS.

1 90 (100.00%) Hadoop
2 74 (82.22%) Apache Hive
3 58 (64.44%) ETL
4 55 (61.11%) Impala
5 53 (58.89%) Security Cleared
6 52 (57.78%) SC Cleared
7 51 (56.67%) Apache Spark
8 50 (55.56%) Cloudera
9 45 (50.00%) Big Data
9 45 (50.00%) Oracle
10 40 (44.44%) SQL
10 40 (44.44%) Relational Database
11 38 (42.22%) Jenkins
12 37 (41.11%) Java
12 37 (41.11%) AWS
12 37 (41.11%) Git (software)
13 36 (40.00%) Amazon S3
13 36 (40.00%) MySQL
14 31 (34.44%) Ansible
15 29 (32.22%) Apache
16 26 (28.89%) Data Modelling
16 26 (28.89%) Pentaho
17 25 (27.78%) Configuration Management
17 25 (27.78%) Scala
18 24 (26.67%) Data Acquisition
18 24 (26.67%) ETL Development
18 24 (26.67%) Spreadsheet
18 24 (26.67%) Unit Testing
19 23 (25.56%) Release Management
20 22 (24.44%) Data Integration

HDFS
Co-occurring IT Skills in England 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 51 (56.67%) Apache Spark
2 29 (32.22%) Apache
3 12 (13.33%) Confluence
4 11 (12.22%) Mule
4 11 (12.22%) WebLogic
5 7 (7.78%) Apache Pig
6 1 (1.11%) Elasticsearch
Applications
1 24 (26.67%) Spreadsheet
2 7 (7.78%) Microsoft Excel
3 1 (1.11%) MS Visio
Business Applications
1 11 (12.22%) SAP FI-CA
Cloud Services
1 37 (41.11%) AWS
2 36 (40.00%) Amazon S3
3 13 (14.44%) Azure
4 10 (11.11%) Amazon EMR
5 8 (8.89%) Azure Data Factory
6 5 (5.56%) GCP
7 2 (2.22%) Serverless
8 1 (1.11%) Amazon EC2
8 1 (1.11%) AWS Lambda
8 1 (1.11%) AWS Step Functions
8 1 (1.11%) Azure Active Directory
8 1 (1.11%) Office 365
8 1 (1.11%) Tricentis Tosca
8 1 (1.11%) Virtual Private Cloud
Communications & Networking
1 2 (2.22%) Kerberos
2 1 (1.11%) Ethernet
2 1 (1.11%) Firewall
2 1 (1.11%) SSL
2 1 (1.11%) VLAN
2 1 (1.11%) VSAN
2 1 (1.11%) WAN
Database & Business Intelligence
1 90 (100.00%) Hadoop
2 74 (82.22%) Apache Hive
3 55 (61.11%) Impala
4 45 (50.00%) Big Data
5 40 (44.44%) Relational Database
6 36 (40.00%) MySQL
7 26 (28.89%) Pentaho
8 17 (18.89%) HBase
9 15 (16.67%) MongoDB
10 13 (14.44%) NoSQL
11 12 (13.33%) Oracle Database
12 8 (8.89%) SQL Server
13 4 (4.44%) Apache Accumulo
13 4 (4.44%) Apache Cassandra
13 4 (4.44%) Data Lake
14 3 (3.33%) RDBMS
14 3 (3.33%) Sqoop
15 2 (2.22%) Data Warehouse
15 2 (2.22%) PostgreSQL
15 2 (2.22%) Spark SQL
Development Applications
1 38 (42.22%) Jenkins
2 37 (41.11%) Git (software)
3 12 (13.33%) JIRA
4 11 (12.22%) Cucumber
4 11 (12.22%) Postman
4 11 (12.22%) SoapUI
4 11 (12.22%) Toad
5 10 (11.11%) Selenium
6 2 (2.22%) eggPlant
6 2 (2.22%) JMeter
7 1 (1.11%) Atlassian Bamboo
General
1 18 (20.00%) Public Sector
2 9 (10.00%) Finance
3 8 (8.89%) Banking
4 2 (2.22%) Military
Job Titles
1 30 (33.33%) Data Engineer
2 24 (26.67%) Developer
3 13 (14.44%) Architect
3 13 (14.44%) Big Data Engineer
4 10 (11.11%) Data Architect
5 9 (10.00%) Analyst
5 9 (10.00%) Pentaho Developer
5 9 (10.00%) Test Analyst
6 8 (8.89%) Azure Engineer
6 8 (8.89%) Hadoop Engineer
7 6 (6.67%) ETL Developer
7 6 (6.67%) Java Engineer
8 4 (4.44%) Senior Data Engineer
8 4 (4.44%) Senior Java Engineer
9 3 (3.33%) Big Data Developer
9 3 (3.33%) Data Integration Developer
9 3 (3.33%) Digital Analyst
9 3 (3.33%) Integration Developer
9 3 (3.33%) Solutions Architect
10 2 (2.22%) Ab Initio Developer
Libraries, Frameworks & Software Standards
1 22 (24.44%) Kafka
2 12 (13.33%) JSON
2 12 (13.33%) RabbitMQ
2 12 (13.33%) XML
3 11 (12.22%) SOAP
4 3 (3.33%) Apache Avro
5 2 (2.22%) Apache NiFi
6 1 (1.11%) amCharts
6 1 (1.11%) AngularJS
6 1 (1.11%) D3.js
6 1 (1.11%) Gherkin
6 1 (1.11%) Highcharts JS
6 1 (1.11%) J2EE
6 1 (1.11%) React
6 1 (1.11%) RESTful
6 1 (1.11%) Spring
6 1 (1.11%) Swagger
6 1 (1.11%) Vue.js
Miscellaneous
1 11 (12.22%) Analytical Skills
2 5 (5.56%) Reference Data
3 3 (3.33%) Greenfield Project
4 2 (2.22%) Credit Risk
5 1 (1.11%) Cloud Native
5 1 (1.11%) FMCG
5 1 (1.11%) User Experience
5 1 (1.11%) Wiki
Operating Systems
1 18 (20.00%) Linux
2 17 (18.89%) Unix
3 13 (14.44%) Windows
4 1 (1.11%) Ubuntu
Processes & Methodologies
1 58 (64.44%) ETL
2 26 (28.89%) Data Modelling
3 25 (27.78%) Configuration Management
4 24 (26.67%) Data Acquisition
4 24 (26.67%) ETL Development
4 24 (26.67%) Unit Testing
5 23 (25.56%) Release Management
6 22 (24.44%) Data Engineering
6 22 (24.44%) Data Integration
7 21 (23.33%) Data Ingestion
8 20 (22.22%) Microservices
9 18 (20.00%) Problem-Solving
10 17 (18.89%) Agile Software Development
10 17 (18.89%) DevOps
11 15 (16.67%) Continuous Integration
12 13 (14.44%) Analytics
13 12 (13.33%) Data Analytics
13 12 (13.33%) Data Munging
14 11 (12.22%) API Testing
14 11 (12.22%) Continuous Delivery
Programming Languages
1 40 (44.44%) SQL
2 37 (41.11%) Java
3 25 (27.78%) Scala
4 22 (24.44%) Python
5 11 (12.22%) PL/SQL
6 7 (7.78%) Shell Script
7 4 (4.44%) Perl
8 3 (3.33%) JavaScript
9 2 (2.22%) Groovy
10 1 (1.11%) Bash Shell
10 1 (1.11%) Go
10 1 (1.11%) Korn
10 1 (1.11%) PowerShell
10 1 (1.11%) Ruby
Qualifications
1 53 (58.89%) Security Cleared
2 52 (57.78%) SC Cleared
3 5 (5.56%) TOGAF Certification
4 4 (4.44%) Degree
4 4 (4.44%) ISEB
4 4 (4.44%) ISTQB
4 4 (4.44%) ISTQB Foundation Certification
5 2 (2.22%) BPSS Clearance
Quality Assurance & Compliance
1 5 (5.56%) Data Quality
1 5 (5.56%) QA
2 2 (2.22%) Sarbanes-Oxley
3 1 (1.11%) SLA
System Software
1 8 (8.89%) Apache ZooKeeper
2 4 (4.44%) Docker
3 2 (2.22%) Apache Flume
4 1 (1.11%) Active Directory
4 1 (1.11%) VMware NSX
4 1 (1.11%) vSphere
Systems Management
1 31 (34.44%) Ansible
2 6 (6.67%) Hadoop YARN
3 4 (4.44%) Kubernetes
4 3 (3.33%) Oozie
4 3 (3.33%) Puppet
5 2 (2.22%) Rancher
5 2 (2.22%) Terraform
6 1 (1.11%) Ambari
6 1 (1.11%) Microsoft Intune
6 1 (1.11%) Opscode Chef
6 1 (1.11%) vCenter Server
Vendors
1 50 (55.56%) Cloudera
2 45 (50.00%) Oracle
3 12 (13.33%) SAP
4 9 (10.00%) Ab Initio
5 8 (8.89%) Databricks
5 8 (8.89%) Informatica
6 7 (7.78%) Microsoft
6 7 (7.78%) StreamSets
6 7 (7.78%) TIBCO
7 4 (4.44%) Google
8 2 (2.22%) Teradata
9 1 (1.11%) Atlassian
9 1 (1.11%) Cisco
9 1 (1.11%) Dell
9 1 (1.11%) EMC
9 1 (1.11%) Hortonworks
9 1 (1.11%) MapR