Period
to 23 January 2021

The following table provides summary statistics for permanent job vacancies advertised in Central 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 23 January 2021 with a comparison to the same period in the previous 2 years.

Hadoop Distributed File System (HDFS)
London > Central London
6 months to
23 Jan 2021
Same period 2020 Same period 2019
Rank 224 337 331
Rank change year-on-year +113 -6 +26
Permanent jobs citing HDFS 12 15 44
As % of all permanent jobs advertised in Central London 0.24% 0.13% 0.34%
As % of the System Software category 1.24% 0.72% 2.02%
Number of salaries quoted 13 15 43
Median annual salary £67,500 £75,000 £75,000
Median salary % change year-on-year -10.00% - +3.45%
10th Percentile £52,500 £50,000 £49,337
90th Percentile £71,250 £88,780 £101,250
London median annual salary £67,500 £77,000 £75,000
% change year-on-year -12.34% +2.67% -

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 Central London with a requirement for system software skills.

All System Software Skills
Central London
Permanent vacancies with a requirement for system software skills 971 2,078 2,181
As % of all permanent IT jobs advertised in Central London 19.17% 17.97% 16.78%
Number of salaries quoted 838 1,882 1,970
Median annual salary £67,500 £62,500 £60,000
Median salary % change year-on-year +8.00% +4.17% +9.09%
10th Percentile £39,850 £27,000 £30,000
90th Percentile £96,625 £95,000 £95,000
London median annual salary £70,000 £62,500 £60,000
% change year-on-year +12.00% +4.17% +9.09%

HDFS
Job Vacancy Trend in Central London

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

Job vacancy trend for HDFS in Central London

HDFS
Salary Trend in Central London

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

Salary trend for HDFS in Central London

HDFS
Salary Histogram in Central London

Salary distribution for jobs citing HDFS in Central London over the 6 months to 23 January 2021.

Salary histogram for HDFS in Central London

HDFS
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing HDFS within the Central London region over the 6 months to 23 January 2021. 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
City of London +93 12 £67,500 -10.00% 2
HDFS
London

For the 6 months to 23 January 2021, 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 Central London region with a requirement for HDFS.

1 12 (100.00%) Hadoop
1 12 (100.00%) Apache Hive
2 11 (91.67%) Azure
2 11 (91.67%) Cloudera
2 11 (91.67%) Java
2 11 (91.67%) Oracle
2 11 (91.67%) Python
2 11 (91.67%) Informatica
3 10 (83.33%) ETL
3 10 (83.33%) SAS
3 10 (83.33%) Unix
3 10 (83.33%) JavaScript
3 10 (83.33%) PL/SQL
3 10 (83.33%) SQL
3 10 (83.33%) Shell Script
3 10 (83.33%) Data Analytics
3 10 (83.33%) Oracle Database
3 10 (83.33%) Analytics
3 10 (83.33%) AWS
3 10 (83.33%) BusinessObjects
3 10 (83.33%) Pentaho
3 10 (83.33%) Talend
3 10 (83.33%) Impala
3 10 (83.33%) HiveQL
3 10 (83.33%) Power BI
3 10 (83.33%) Power Platform
3 10 (83.33%) Requirements Gathering
4 7 (58.33%) Big Data
4 7 (58.33%) Software Delivery
4 7 (58.33%) Mentoring

HDFS
Co-occurring IT Skills in Central 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 10 (83.33%) SAS
2 2 (16.67%) Apache Spark
3 1 (8.33%) Apache Pig
Cloud Services
1 11 (91.67%) Azure
2 10 (83.33%) AWS
2 10 (83.33%) Power Platform
3 1 (8.33%) IaaS
3 1 (8.33%) PaaS
Communications & Networking
1 1 (8.33%) Firewall
1 1 (8.33%) HTTP
1 1 (8.33%) HTTPS
1 1 (8.33%) Kerberos
1 1 (8.33%) Network Security
1 1 (8.33%) SSL
Database & Business Intelligence
1 12 (100.00%) Apache Hive
1 12 (100.00%) Hadoop
2 10 (83.33%) BusinessObjects
2 10 (83.33%) Impala
2 10 (83.33%) Oracle Database
2 10 (83.33%) Pentaho
2 10 (83.33%) Power BI
3 7 (58.33%) Big Data
4 2 (16.67%) HBase
5 1 (8.33%) NoSQL
5 1 (8.33%) SQL Server
5 1 (8.33%) Sqoop
General
1 1 (8.33%) Public Sector
Job Titles
1 10 (83.33%) Data Engineer
2 1 (8.33%) Architect
2 1 (8.33%) Azure DevOps Engineer
2 1 (8.33%) Azure Engineer
2 1 (8.33%) Data Architect
2 1 (8.33%) DevOps Engineer
2 1 (8.33%) Kubernetes Engineer
2 1 (8.33%) Senior DevOps
2 1 (8.33%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 7 (58.33%) Spring
2 1 (8.33%) Elastic Stack
2 1 (8.33%) Kafka
2 1 (8.33%) LDAP
2 1 (8.33%) OAuth
2 1 (8.33%) SAML
2 1 (8.33%) Spring Boot
Miscellaneous
1 1 (8.33%) Reference Data
Operating Systems
1 10 (83.33%) Unix
2 1 (8.33%) Linux
Processes & Methodologies
1 10 (83.33%) Analytics
1 10 (83.33%) Data Analytics
1 10 (83.33%) ETL
1 10 (83.33%) Requirements Gathering
2 7 (58.33%) Agile Software Development
2 7 (58.33%) Coaching
2 7 (58.33%) Mentoring
2 7 (58.33%) Software Delivery
2 7 (58.33%) Software Engineering
3 6 (50.00%) Process Improvement
3 6 (50.00%) Scrum
4 4 (33.33%) Data Engineering
5 1 (8.33%) Collaborative Working
5 1 (8.33%) Continuous Deployment
5 1 (8.33%) Data Strategy
5 1 (8.33%) Infrastructure as Code
5 1 (8.33%) Infrastructure Automation
5 1 (8.33%) Master Data Management
5 1 (8.33%) Metadata Management
5 1 (8.33%) Systems Engineering
Programming Languages
1 11 (91.67%) Java
1 11 (91.67%) Python
2 10 (83.33%) HiveQL
2 10 (83.33%) JavaScript
2 10 (83.33%) PL/SQL
2 10 (83.33%) Shell Script
2 10 (83.33%) SQL
3 1 (8.33%) Bash Shell
Qualifications
1 1 (8.33%) SC Cleared
1 1 (8.33%) Security Cleared
Systems Management
1 1 (8.33%) Ambari
1 1 (8.33%) Ansible
1 1 (8.33%) Hadoop YARN
1 1 (8.33%) Kubernetes
1 1 (8.33%) Oozie
1 1 (8.33%) Single Sign-On
1 1 (8.33%) Terraform
Vendors
1 11 (91.67%) Cloudera
1 11 (91.67%) Informatica
1 11 (91.67%) Oracle
2 10 (83.33%) Talend
3 1 (8.33%) Ab Initio
3 1 (8.33%) Hortonworks
3 1 (8.33%) TIBCO