Period
to 18 September 2019

The following table provides summary statistics for permanent job vacancies with a requirement for HDFS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited HDFS over the 6 months to 18 September 2019 with a comparison to the same period in the previous 2 years.

Hadoop Distributed File System (HDFS)
UK
6 months to
18 Sep 2019
Same period 2018 Same period 2017
Rank 870 764 995
Rank change year-on-year -106 +231 +4
Permanent jobs citing HDFS 220 441 227
As % of all permanent IT jobs advertised in the UK 0.16% 0.26% 0.13%
As % of the System Software category 0.90% 1.78% 1.00%
Number of salaries quoted 193 328 177
UK median annual salary £70,000 £70,000 £70,000
10th Percentile £46,250 £41,100 £45,000
90th Percentile £92,500 £97,500 £102,500
UK excluding London median annual salary £57,275 £58,000 £55,000
% change year-on-year -1.25% +5.45% +4.76%

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

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 24,514 24,728 22,736
As % of all permanent IT jobs advertised in the UK 17.31% 14.74% 12.89%
Number of salaries quoted 20,059 20,181 19,130
UK median annual salary £50,000 £49,000 £45,000
Median salary % change year-on-year +2.04% +8.89% +5.88%
10th Percentile £25,500 £24,750 £24,000
90th Percentile £85,000 £81,250 £75,000
UK excluding London median annual salary £42,500 £42,500 £38,500
% change year-on-year - +10.39% +2.67%

HDFS
Job Vacancy Trend

Job postings citing HDFS as a percentage of all IT jobs advertised.

Job vacancy trend for HDFS in the UK

HDFS
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing HDFS.

Salary trend for HDFS in the UK

HDFS
Salary Histogram

The salary distribution of IT jobs citing HDFS over the 6 months to 18 September 2019.

Salary histogram for HDFS in the UK

HDFS
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing HDFS within the UK over the 6 months to 18 September 2019. 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
England -77 216 £70,000 - 19
London -33 149 £75,000 +1.69% 12
UK excluding London -30 71 £57,275 -1.25% 8
North of England +20 19 £57,275 +17.49% 2
East of England +65 17 £70,000 -3.45%
South West +33 17 £52,500 -8.70% 1
Yorkshire +8 15 £57,275 -15.15% 1
South East -28 10 £47,500 -20.83% 4
Midlands +30 4 £65,000 +8.33%
Scotland -3 4 - - 1
North East +27 3 £57,275 -15.15% 1
West Midlands +13 3 £56,250 -6.25%
East Midlands +21 1 £75,000 +25.00%
North West +2 1 - -

For the 6 months to 18 September 2019, IT 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 permanent job ads with a requirement for HDFS.

1 187 (85.00%) Hadoop
2 169 (76.82%) Apache Hive
3 162 (73.64%) Apache Spark
4 158 (71.82%) Big Data
5 139 (63.18%) Python
6 108 (49.09%) SQL
7 106 (48.18%) Agile Software Development
8 98 (44.55%) Scala
9 94 (42.73%) HBase
10 83 (37.73%) Impala
11 78 (35.45%) Analytics
12 77 (35.00%) Azure
12 77 (35.00%) AWS
13 76 (34.55%) ETL
14 75 (34.09%) Java
14 75 (34.09%) Data Science
15 74 (33.64%) Hadoop YARN
15 74 (33.64%) Linux
16 68 (30.91%) NoSQL
17 61 (27.73%) Data Engineering
18 60 (27.27%) Kafka
19 54 (24.55%) Data Modelling
20 51 (23.18%) Data Warehouse
20 51 (23.18%) Sqoop
21 46 (20.91%) Business Intelligence
22 45 (20.45%) Apache
22 45 (20.45%) SQL Server
23 43 (19.55%) Machine Learning
24 41 (18.64%) Amazon S3
25 39 (17.73%) Unix

HDFS
Co-occurring IT Skills 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
1 162 (73.64%) Apache Spark
2 45 (20.45%) Apache
3 18 (8.18%) Apache Pig
4 14 (6.36%) SAS
5 13 (5.91%) Elasticsearch
6 11 (5.00%) Apache Airflow
6 11 (5.00%) Apache Solr
7 3 (1.36%) Confluence
8 2 (0.91%) Cloud Foundry
8 2 (0.91%) WildFly
9 1 (0.45%) JBoss
9 1 (0.45%) Jupyter
9 1 (0.45%) OpenStack
9 1 (0.45%) WebLogic Portal
Applications
1 1 (0.45%) Microsoft Project
Business Applications
1 3 (1.36%) Dynamics CRM
2 1 (0.45%) Adobe Campaign
Cloud Services
1 77 (35.00%) AWS
1 77 (35.00%) Azure
2 41 (18.64%) Amazon S3
3 38 (17.27%) Amazon EMR
4 20 (9.09%) GCP
5 14 (6.36%) Azure Data Factory
6 13 (5.91%) Amazon Kinesis
7 10 (4.55%) GitHub
8 9 (4.09%) IaaS
8 9 (4.09%) PaaS
9 6 (2.73%) Amazon EC2
9 6 (2.73%) AWS CloudFormation
10 4 (1.82%) Power Platform
10 4 (1.82%) SaaS
11 3 (1.36%) Cloud Computing
11 3 (1.36%) Serverless
11 3 (1.36%) Virtual Private Cloud
12 2 (0.91%) OpenShift
13 1 (0.45%) AWS Lambda
13 1 (0.45%) Azure Machine Learning
Communications & Networking
1 11 (5.00%) Kerberos
2 6 (2.73%) Firewall
2 6 (2.73%) VPN
3 5 (2.27%) SSL
4 3 (1.36%) HTTP
4 3 (1.36%) HTTPS
5 1 (0.45%) Broadband
Database & Business Intelligence
1 187 (85.00%) Hadoop
2 169 (76.82%) Apache Hive
3 158 (71.82%) Big Data
4 94 (42.73%) HBase
5 83 (37.73%) Impala
6 68 (30.91%) NoSQL
7 51 (23.18%) Data Warehouse
7 51 (23.18%) Sqoop
8 45 (20.45%) SQL Server
9 24 (10.91%) HDInsight
10 23 (10.45%) Data Lake
11 22 (10.00%) Apache Cassandra
12 21 (9.55%) MongoDB
13 19 (8.64%) Apache Kudu
14 18 (8.18%) Data Mining
14 18 (8.18%) PostgreSQL
15 15 (6.82%) Amazon Redshift
15 15 (6.82%) Neo4j
16 12 (5.45%) Relational Database
17 11 (5.00%) Presto
Development Applications
1 27 (12.27%) Git (software)
2 18 (8.18%) Jenkins
3 10 (4.55%) IntelliJ
4 8 (3.64%) Eclipse
4 8 (3.64%) NetBeans
4 8 (3.64%) ProC
5 7 (3.18%) JIRA
6 6 (2.73%) GitLab
7 3 (1.36%) JUnit
7 3 (1.36%) Maven
7 3 (1.36%) Sonatype Nexus
7 3 (1.36%) Visual Studio Team System
8 2 (0.91%) Gradle
9 1 (0.45%) Artifactory
9 1 (0.45%) Bitbucket
9 1 (0.45%) Hudson
9 1 (0.45%) Selenium
9 1 (0.45%) Travis CI
General
1 29 (13.18%) Finance
2 11 (5.00%) Public Sector
3 9 (4.09%) Retail
4 8 (3.64%) Games
5 6 (2.73%) Legal
5 6 (2.73%) Manufacturing
6 5 (2.27%) Banking
6 5 (2.27%) Marketing
7 2 (0.91%) Front Office
8 1 (0.45%) Investment Banking
8 1 (0.45%) Retail Banking
Job Titles
1 103 (46.82%) Data Engineer
2 43 (19.55%) Senior Data Engineer
3 37 (16.82%) Big Data Engineer
3 37 (16.82%) Developer
4 23 (10.45%) Architect
5 20 (9.09%) Data Scientist
6 18 (8.18%) Data Architect
7 16 (7.27%) Big Data Developer
7 16 (7.27%) Java Developer
7 16 (7.27%) Senior Data Scientist
8 15 (6.82%) Hadoop Engineer
9 12 (5.45%) Senior Developer
9 12 (5.45%) Senior Hadoop Engineer
10 11 (5.00%) Cloud Architect
10 11 (5.00%) Senior Java Developer
11 10 (4.55%) Cloud Engineer
12 9 (4.09%) Data Warehouse Developer
12 9 (4.09%) Oracle Data Warehouse Developer
12 9 (4.09%) Oracle Developer
13 7 (3.18%) QA Engineer
Libraries, Frameworks & Software Standards
1 60 (27.27%) Kafka
2 17 (7.73%) D3.js
2 17 (7.73%) ggplot2
2 17 (7.73%) RabbitMQ
3 16 (7.27%) Web Services
4 15 (6.82%) LAPP Stack
4 15 (6.82%) Spring
5 10 (4.55%) Spring Boot
6 9 (4.09%) Elastic Stack
7 8 (3.64%) ActiveMQ
7 8 (3.64%) Apache NiFi
7 8 (3.64%) Hibernate
7 8 (3.64%) JPA
7 8 (3.64%) Lambda Expressions
7 8 (3.64%) Node.js
7 8 (3.64%) SOAP
7 8 (3.64%) Spring Cloud
8 6 (2.73%) OAuth
8 6 (2.73%) SAML
9 5 (2.27%) LDAP
Miscellaneous
1 25 (11.36%) Algorithms
2 21 (9.55%) Analytical Skills
3 13 (5.91%) Data Structures
4 8 (3.64%) Management Information System
5 7 (3.18%) Data Centre
5 7 (3.18%) Greenfield Project
6 6 (2.73%) Hybrid Cloud
7 3 (1.36%) Fixed Income
7 3 (1.36%) Linux Command Line
7 3 (1.36%) Public Cloud
7 3 (1.36%) Replication
7 3 (1.36%) Virtual Team
8 2 (0.91%) Cloud Native
8 2 (0.91%) Equities
8 2 (0.91%) Self-Motivation
8 2 (0.91%) User Experience
9 1 (0.45%) Market Risk
9 1 (0.45%) Social Network
Operating Systems
1 74 (33.64%) Linux
2 39 (17.73%) Unix
3 4 (1.82%) Windows
4 2 (0.91%) SUSE Linux Enterprise Server
4 2 (0.91%) Ubuntu
4 2 (0.91%) Windows Server
Processes & Methodologies
1 106 (48.18%) Agile Software Development
2 78 (35.45%) Analytics
3 76 (34.55%) ETL
4 75 (34.09%) Data Science
5 61 (27.73%) Data Engineering
6 54 (24.55%) Data Modelling
7 46 (20.91%) Business Intelligence
8 43 (19.55%) Machine Learning
9 36 (16.36%) MapReduce
10 29 (13.18%) Data Integration
10 29 (13.18%) Problem-Solving
11 23 (10.45%) DevOps
12 22 (10.00%) Microservices
13 21 (9.55%) Continuous Integration
13 21 (9.55%) Data Ingestion
13 21 (9.55%) Software Engineering
13 21 (9.55%) Visualisation
14 20 (9.09%) Scrum
15 19 (8.64%) Mentoring
16 18 (8.18%) Performance Tuning
Programming Languages
1 139 (63.18%) Python
2 108 (49.09%) SQL
3 98 (44.55%) Scala
4 75 (34.09%) Java
5 28 (12.73%) Shell Script
6 26 (11.82%) JavaScript
7 24 (10.91%) R
8 21 (9.55%) PL/SQL
9 14 (6.36%) Bash Shell
10 11 (5.00%) C
11 8 (3.64%) Ruby
11 8 (3.64%) T-SQL
12 5 (2.27%) Perl
13 4 (1.82%) Java 8
14 3 (1.36%) C#
15 2 (0.91%) Groovy
15 2 (0.91%) HiveQL
15 2 (0.91%) PowerShell
16 1 (0.45%) PHP 7
16 1 (0.45%) Pig Latin
Qualifications
1 24 (10.91%) Degree
2 9 (4.09%) Computer Science Degree
3 4 (1.82%) Security Cleared
4 2 (0.91%) DV Cleared
4 2 (0.91%) MCSA
4 2 (0.91%) Microsoft Certification
5 1 (0.45%) SC Cleared
5 1 (0.45%) TOGAF Certification
Quality Assurance & Compliance
1 34 (15.45%) Data Quality
2 26 (11.82%) QA
3 7 (3.18%) GDPR
4 6 (2.73%) ISO/IEC 27001
System Software
1 26 (11.82%) Apache Flume
2 16 (7.27%) Docker
3 15 (6.82%) Apache ZooKeeper
4 2 (0.91%) Cronacle
4 2 (0.91%) Virtual Machines
4 2 (0.91%) VMware Infrastructure
4 2 (0.91%) vSphere
Systems Management
1 74 (33.64%) Hadoop YARN
2 35 (15.91%) Oozie
3 11 (5.00%) Terraform
4 9 (4.09%) Ambari
4 9 (4.09%) Ansible
5 7 (3.18%) Kubernetes
6 6 (2.73%) Single Sign-On
7 5 (2.27%) Puppet
8 4 (1.82%) Mesos
9 2 (0.91%) Check_MK
9 2 (0.91%) Control-M
9 2 (0.91%) Nagios
9 2 (0.91%) Rsyslog
Vendors
1 39 (17.73%) Cloudera
2 34 (15.45%) Oracle
3 22 (10.00%) Hortonworks
4 17 (7.73%) Informatica
5 16 (7.27%) Teradata
6 11 (5.00%) Databricks
6 11 (5.00%) Microsoft
7 10 (4.55%) Google
8 8 (3.64%) Talend
9 7 (3.18%) Tableau
10 5 (2.27%) MapR
11 4 (1.82%) Ab Initio
11 4 (1.82%) MicroStrategy
11 4 (1.82%) Salesforce.com
12 3 (1.36%) Cognos
12 3 (1.36%) Jaspersoft
12 3 (1.36%) Syncsort
12 3 (1.36%) TIBCO
13 2 (0.91%) Blue Prism
13 2 (0.91%) UiPath