Period
to 21 September 2020

The following table provides summary statistics for permanent job vacancies advertised in London 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 21 September 2020 with a comparison to the same period in the previous 2 years.

Hadoop Distributed File System (HDFS)
England > London
6 months to
21 Sep 2020
Same period 2019 Same period 2018
Rank 423 586 566
Rank change year-on-year +163 -20 +141
Permanent jobs citing HDFS 55 153 274
As % of all permanent jobs advertised in London 0.27% 0.28% 0.40%
As % of the System Software category 1.39% 1.55% 2.58%
Number of salaries quoted 21 141 197
Median annual salary £90,000 £75,000 £75,000
Median salary % change year-on-year +20.00% - +7.14%
10th Percentile £63,750 £56,250 £55,000
90th Percentile £127,500 £92,500 £97,500
England median annual salary £83,750 £70,000 £70,000
% change year-on-year +19.64% - -

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 advertised in London with a requirement for system software skills.

All System Software Skills
London
Permanent vacancies with a requirement for system software skills 3,964 9,879 10,623
As % of all permanent IT jobs advertised in London 19.47% 17.80% 15.44%
Number of salaries quoted 3,443 8,143 8,922
Median annual salary £70,000 £65,000 £60,000
Median salary % change year-on-year +7.69% +8.33% +9.09%
10th Percentile £41,250 £29,800 £29,000
90th Percentile £100,000 £97,500 £91,175
England median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +11.11%

HDFS
Job Vacancy Trend in London

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

Job vacancy trend for HDFS in London

HDFS
Salary Trend in London

3-month moving average salary quoted in jobs citing HDFS in London.

Salary trend for HDFS in London

HDFS
Salary Histogram in London

Salary distribution for jobs citing HDFS in London over the 6 months to 21 September 2020.

Salary histogram for HDFS in London

HDFS
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing HDFS within the London region over the 6 months to 21 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
Central London +146 7 £67,500 -10.00% 4
South London +58 7 £90,000 +2.86% 1
East London +25 1 £74,250 -8.05%
HDFS
England

For the 6 months to 21 September 2020, 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 across the London region with a requirement for HDFS.

1 54 (98.18%) Hadoop
2 53 (96.36%) Java
3 52 (94.55%) Big Data
4 47 (85.45%) Apache Hive
5 44 (80.00%) Analytics
6 42 (76.36%) Python
6 42 (76.36%) Agile Software Development
7 41 (74.55%) SQL
8 40 (72.73%) ETL
9 39 (70.91%) Scrum
9 39 (70.91%) Cloudera
10 38 (69.09%) Talend
10 38 (69.09%) Data Analytics
10 38 (69.09%) Software Engineering
10 38 (69.09%) Requirements Gathering
11 37 (67.27%) Impala
12 35 (63.64%) Azure
13 34 (61.82%) AWS
14 32 (58.18%) JavaScript
14 32 (58.18%) Oracle
14 32 (58.18%) Mentoring
14 32 (58.18%) Coaching
14 32 (58.18%) Software Delivery
15 31 (56.36%) HiveQL
15 31 (56.36%) Oracle Database
15 31 (56.36%) Power BI
15 31 (56.36%) Power Platform
15 31 (56.36%) PL/SQL
15 31 (56.36%) SAS
15 31 (56.36%) Unix

HDFS
Co-occurring IT Skills in London 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 31 (56.36%) SAS
2 16 (29.09%) Apache Spark
3 4 (7.27%) Jupyter
4 3 (5.45%) CMS
Cloud Services
1 35 (63.64%) Azure
2 34 (61.82%) AWS
3 31 (56.36%) Power Platform
4 4 (7.27%) IaaS
4 4 (7.27%) PaaS
5 2 (3.64%) SaaS
6 1 (1.82%) Azure Data Factory
6 1 (1.82%) GCP
Communications & Networking
1 3 (5.45%) FTP
2 2 (3.64%) Firewall
2 2 (3.64%) HTTP
2 2 (3.64%) HTTPS
2 2 (3.64%) Kerberos
2 2 (3.64%) SSL
3 1 (1.82%) Network Security
Database & Business Intelligence
1 54 (98.18%) Hadoop
2 52 (94.55%) Big Data
3 47 (85.45%) Apache Hive
4 37 (67.27%) Impala
5 31 (56.36%) BusinessObjects
5 31 (56.36%) Oracle Database
5 31 (56.36%) Pentaho
5 31 (56.36%) Power BI
6 17 (30.91%) HBase
7 13 (23.64%) Sqoop
8 8 (14.55%) Data Lake
8 8 (14.55%) RDBMS
8 8 (14.55%) Relational Database
8 8 (14.55%) SQL Server
9 3 (5.45%) Flink
9 3 (5.45%) NoSQL
10 2 (3.64%) Snowflake Schema
10 2 (3.64%) Star Schema
11 1 (1.82%) Data Warehouse
11 1 (1.82%) Hazelcast
Development Applications
1 5 (9.09%) Git (software)
2 4 (7.27%) Artifactory
2 4 (7.27%) GitLab
General
1 6 (10.91%) Finance
2 1 (1.82%) Banking
2 1 (1.82%) Front Office
2 1 (1.82%) Games
2 1 (1.82%) Investment Banking
2 1 (1.82%) Manufacturing
2 1 (1.82%) Retail
2 1 (1.82%) Telecoms
Job Titles
1 37 (67.27%) Data Engineer
2 12 (21.82%) Architect
2 12 (21.82%) Data Architect
3 5 (9.09%) Big Data Engineer
4 4 (7.27%) Cloud Engineer
5 3 (5.45%) Big Data Architect
5 3 (5.45%) Developer
5 3 (5.45%) Senior Architect
5 3 (5.45%) Senior Data Architect
6 2 (3.64%) AWS Architect
6 2 (3.64%) Azure Engineer
6 2 (3.64%) DevOps Engineer
6 2 (3.64%) Enterprise Architect
6 2 (3.64%) Enterprise Data Architect
6 2 (3.64%) Hadoop Architect
6 2 (3.64%) Java Developer
6 2 (3.64%) Senior Enterprise Architect
6 2 (3.64%) Software Engineer
7 1 (1.82%) Apache Spark Developer
7 1 (1.82%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 13 (23.64%) Kafka
2 7 (12.73%) J2EE
2 7 (12.73%) Spark Streaming
3 6 (10.91%) PySpark
4 5 (9.09%) Spring
5 4 (7.27%) ADO
6 2 (3.64%) LDAP
6 2 (3.64%) OAuth
6 2 (3.64%) SAML
7 1 (1.82%) .NET
7 1 (1.82%) AngularJS
7 1 (1.82%) Django
7 1 (1.82%) Elastic Stack
7 1 (1.82%) Keras
7 1 (1.82%) NumPy
7 1 (1.82%) RabbitMQ
7 1 (1.82%) RESTful
7 1 (1.82%) scikit-learn
7 1 (1.82%) Spring Boot
7 1 (1.82%) TensorFlow
Miscellaneous
1 4 (7.27%) Enterprise Software
1 4 (7.27%) PMI
2 2 (3.64%) Analytical Skills
2 2 (3.64%) Social Media
3 1 (1.82%) Algorithms
3 1 (1.82%) FMCG
3 1 (1.82%) Hedge funds
Operating Systems
1 31 (56.36%) Unix
2 1 (1.82%) Linux
Processes & Methodologies
1 44 (80.00%) Analytics
2 42 (76.36%) Agile Software Development
3 40 (72.73%) ETL
4 39 (70.91%) Scrum
5 38 (69.09%) Data Analytics
5 38 (69.09%) Requirements Gathering
5 38 (69.09%) Software Engineering
6 32 (58.18%) Coaching
6 32 (58.18%) Mentoring
6 32 (58.18%) Software Delivery
7 31 (56.36%) Process Improvement
8 12 (21.82%) Computer Science
9 9 (16.36%) Business Intelligence
10 7 (12.73%) Data Governance
10 7 (12.73%) Data Integration
10 7 (12.73%) Data Modelling
10 7 (12.73%) DevOps
10 7 (12.73%) Project Delivery
11 6 (10.91%) Problem-Solving
12 4 (7.27%) Creative Thinking
Programming Languages
1 53 (96.36%) Java
2 42 (76.36%) Python
3 41 (74.55%) SQL
4 32 (58.18%) JavaScript
5 31 (56.36%) HiveQL
5 31 (56.36%) PL/SQL
5 31 (56.36%) Shell Script
6 10 (18.18%) Scala
7 2 (3.64%) Bash Shell
8 1 (1.82%) C#
8 1 (1.82%) Java 8
Qualifications
1 25 (45.45%) BPSS Clearance
2 12 (21.82%) Degree
3 4 (7.27%) PMI Certification
4 3 (5.45%) Computer Science Degree
4 3 (5.45%) Master's Degree
5 2 (3.64%) AWS Certification
Quality Assurance & Compliance
1 7 (12.73%) Data Quality
System Software
1 1 (1.82%) Docker
Systems Management
1 13 (23.64%) Hadoop YARN
2 6 (10.91%) Oozie
3 3 (5.45%) Kibana
3 3 (5.45%) Kubernetes
4 2 (3.64%) Ambari
4 2 (3.64%) Single Sign-On
5 1 (1.82%) Ansible
5 1 (1.82%) Terraform
Vendors
1 39 (70.91%) Cloudera
2 38 (69.09%) Talend
3 32 (58.18%) Oracle
4 31 (56.36%) Informatica
5 3 (5.45%) IBM
6 2 (3.64%) Databricks
6 2 (3.64%) Hortonworks
7 1 (1.82%) MapR
7 1 (1.82%) Microsoft