The table below looks at the statistics for HDFS skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited HDFS over the 3 months to 22 May 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
22 May 2015
Same period 2014 Same period 2013
Hadoop Distributed File System (HDFS)
Rank 812 854 873
Rank change year-on-year
+42 +19
Permanent jobs citing HDFS 71 53 14
As % of all permanent IT jobs located in the UK 0.066% 0.045% 0.013%
As % of the System Software category 0.58% 0.44% 0.13%
Number of salaries quoted 52 49 9
Average salary £70,000 £70,000 £105,000
Average salary % change year-on-year
- -33.33%
UK excluding London average salary £50,000 £39,000 -
% change year-on-year
+28.20% -

The following table is for comparison with the above and provides statistics for the entire System Software category in permanent jobs advertised across the UK.

System Software Category
UK
Permanent IT job ads with a match in the
System Software category
12295 12149 10744
As % of all permanent IT jobs located in the UK 11.51% 10.35% 9.87%
Number of salaries quoted 10141 10282 9056
Average salary £41,500 £40,000 £40,000
Average salary % change year-on-year
+3.75% -
90% offered a salary of more than £25,000 £25,000 £26,000
10% offered a salary of more than £65,000 £60,000 £62,500
UK excluding London average salary £37,500 £37,500 £38,500
% change year-on-year
- -2.59%

HDFS
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT jobs citing HDFS within the UK as a proportion of the total demand within the System Software category.

HDFS Jobs Demand Trend in the UK

HDFS
Salary Trend

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

HDFS Salary Trend in the UK

HDFS
Salary Histogram

This chart provides a salary histogram for IT jobs citing HDFS over the 3 months to 22 May 2015 within the UK.

HDFS Salary Histogram in the UK

HDFS
Top 16 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing HDFS within the UK over the 3 months to 22 May 2015. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +51 66 £70,000 - 10
London +44 47 £80,000 +14.28% 9
Newbury - 9 £52,500 - 1
Berkshire - 9 £52,500 - 1
South East - 9 £52,500 - 1
North West - 8 £50,000 -
Manchester - 8 £50,000 -
City of London +38 6 £75,000 +25.00% 2
Canary Wharf - 2 £50,000 -
Scotland +20 1 £32,500 -13.33%
Edinburgh +18 1 £32,500 -13.33%
Yorkshire +8 1 - -
South Yorkshire -5 1 - -
Sheffield -9 1 - -
Gloucestershire - 1 £42,500 -
South West - 1 £42,500 -

HDFS
Top 30 Related IT Skills

For the 6 months to 22 May 2015, IT jobs within the UK citing HDFS also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited HDFS.

1 154 (100.00%) Hadoop
2 119 (77.27%) Apache Hive
3 116 (75.32%) Java
4 115 (74.68%) Big Data
5 102 (66.23%) MapReduce
6 95 (61.69%) HBase
7 68 (44.16%) Analytics
7 68 (44.16%) Apache Pig
8 58 (37.66%) C++
9 55 (35.71%) Apache Spark
10 47 (30.52%) Analytical Skills
10 47 (30.52%) Python
11 46 (29.87%) SQL
12 43 (27.92%) Oracle
13 40 (25.97%) MongoDB
14 39 (25.32%) Scala
14 39 (25.32%) Bash Shell
15 38 (24.68%) Finance
16 34 (22.08%) Statistics
17 33 (21.43%) C
17 33 (21.43%) Linux
18 32 (20.78%) Business Intelligence
18 32 (20.78%) Banking
18 32 (20.78%) Relational Database
19 31 (20.13%) Apache Cassandra
19 31 (20.13%) Kafka
19 31 (20.13%) Data Warehouse
20 30 (19.48%) SAS
20 30 (19.48%) Retail
21 29 (18.83%) Hortonworks

HDFS
Top Related IT Skills by Category

For the 6 months to 22 May 2015, IT jobs within the UK citing HDFS also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited HDFS. Up to 20 skills are shown per category.

Application Platforms
1 68 (44.16%) Apache Pig
2 55 (35.71%) Apache Spark
3 30 (19.48%) SAS
4 25 (16.23%) Apache
5 11 (7.14%) Node.js
5 11 (7.14%) OpenStack
6 3 (1.95%) Elasticsearch
6 3 (1.95%) GemFire
6 3 (1.95%) Oracle Coherence
Applications
1 20 (12.99%) SPSS
Cloud Services
1 15 (9.74%) Amazon AWS
2 11 (7.14%) IaaS
2 11 (7.14%) Google Cloud Platform
2 11 (7.14%) Sumo Logic
3 2 (1.30%) Cloud Computing
4 1 (0.65%) GitHub
4 1 (0.65%) Adobe Analytics
4 1 (0.65%) Microsoft Azure
4 1 (0.65%) Google Analytics
Communications & Networking
1 22 (14.29%) Internet
2 13 (8.44%) HTTP
3 11 (7.14%) DNS
4 3 (1.95%) LDAP
Database & Business Intelligence
1 154 (100.00%) Hadoop
2 119 (77.27%) Apache Hive
3 115 (74.68%) Big Data
4 95 (61.69%) HBase
5 40 (25.97%) MongoDB
6 32 (20.78%) Relational Database
7 31 (20.13%) Apache Cassandra
7 31 (20.13%) Data Warehouse
8 26 (16.88%) Impala
9 21 (13.64%) SQL Server Analysis Services
9 21 (13.64%) SQL Server Reporting Services
9 21 (13.64%) Data Mining
10 20 (12.99%) Redis
11 18 (11.69%) Oracle BI EE
11 18 (11.69%) Text Mining
12 17 (11.04%) CouchDB
12 17 (11.04%) IBM InfoSphere
13 16 (10.39%) RDBMS
14 14 (9.09%) NoSQL
14 14 (9.09%) PostgreSQL
Development Applications
1 15 (9.74%) Git (software)
2 12 (7.79%) Jenkins
3 11 (7.14%) Maven
3 11 (7.14%) Grunt
4 3 (1.95%) Subversion
5 1 (0.65%) LoadUI
5 1 (0.65%) JIRA
General
1 38 (24.68%) Finance
2 32 (20.78%) Banking
3 30 (19.48%) Retail
4 16 (10.39%) Marketing
5 13 (8.44%) Telecoms
6 4 (2.60%) Advertising
6 4 (2.60%) Investment Banking
7 2 (1.30%) Financial Institution
7 2 (1.30%) Multimedia
Job Titles
1 45 (29.22%) Developer
2 29 (18.83%) Data Scientist
3 17 (11.04%) Java Developer
4 16 (10.39%) Architect
5 15 (9.74%) Hadoop Developer
5 15 (9.74%) Big Data Developer
6 11 (7.14%) Data Architect
7 8 (5.19%) Big Data Architect
7 8 (5.19%) Analyst
7 8 (5.19%) Lead Developer
8 7 (4.55%) Senior Analyst
9 6 (3.90%) Business Intelligence Analyst
10 5 (3.25%) AWS Developer
10 5 (3.25%) Senior Technical Support
10 5 (3.25%) Technical Leader
10 5 (3.25%) Technical Support Engineer
10 5 (3.25%) Technical Engineer
10 5 (3.25%) Senior Support Engineer
10 5 (3.25%) Technical Support
10 5 (3.25%) Support Engineer
Libraries, Frameworks & Software Standards
1 31 (20.13%) Kafka
2 16 (10.39%) Cascading
3 12 (7.79%) HTML5
3 12 (7.79%) HTML
3 12 (7.79%) Web Services
4 11 (7.14%) CSS
4 11 (7.14%) jQuery
4 11 (7.14%) AngularJS
4 11 (7.14%) CSS3
5 6 (3.90%) Spring
6 5 (3.25%) Hibernate
6 5 (3.25%) WPF
7 3 (1.95%) JMX
7 3 (1.95%) JDBC
7 3 (1.95%) JMS
7 3 (1.95%) .NET
7 3 (1.95%) J2EE
8 2 (1.30%) Java EE
8 2 (1.30%) XML
9 1 (0.65%) ActiveMQ
Miscellaneous
1 47 (30.52%) Analytical Skills
2 34 (22.08%) Statistics
3 27 (17.53%) Visualisation
4 22 (14.29%) Computer Science
4 22 (14.29%) Open Source
5 18 (11.69%) Neural Network
6 17 (11.04%) Management Information System
6 17 (11.04%) Social Network
7 16 (10.39%) Data Integration
7 16 (10.39%) Replication
8 12 (7.79%) Algorithms
8 12 (7.79%) Performance Metrics
9 9 (5.84%) Mathematics
10 6 (3.90%) Physics
10 6 (3.90%) Taxonomies
10 6 (3.90%) Data Structures
11 5 (3.25%) Market Risk
11 5 (3.25%) Credit Risk
12 4 (2.60%) Foreign Exchange (FX)
12 4 (2.60%) Fixed Income
Operating Systems
1 33 (21.43%) Linux
2 11 (7.14%) CoreOS
3 6 (3.90%) UNIX
4 5 (3.25%) Windows
5 1 (0.65%) Red Hat Enterprise Linux
Processes & Methodologies
1 102 (66.23%) MapReduce
2 68 (44.16%) Analytics
3 32 (20.78%) Business Intelligence
4 26 (16.88%) Agile Software Development
5 25 (16.23%) Software Engineering
6 24 (15.58%) Data Management
7 23 (14.94%) Data Modelling
8 22 (14.29%) Stakeholder Management
9 21 (13.64%) BDD
9 21 (13.64%) ETL
10 19 (12.34%) Coaching
11 18 (11.69%) TDD
11 18 (11.69%) Risk Management
12 17 (11.04%) Information Architecture
12 17 (11.04%) Predictive Modelling
12 17 (11.04%) Data Governance
13 13 (8.44%) Predictive Analytics
13 13 (8.44%) Data Visualisation
13 13 (8.44%) Kalman Filter
14 12 (7.79%) DevOps
Programming Languages
1 116 (75.32%) Java
2 58 (37.66%) C++
3 47 (30.52%) Python
4 46 (29.87%) SQL
5 39 (25.32%) Scala
5 39 (25.32%) Bash Shell
6 33 (21.43%) C
7 25 (16.23%) R
8 20 (12.99%) MATLAB
8 20 (12.99%) C#
9 15 (9.74%) PHP
9 15 (9.74%) Ruby
10 14 (9.09%) JavaScript
11 11 (7.14%) Go
12 2 (1.30%) T-SQL
13 1 (0.65%) Perl
13 1 (0.65%) PL/SQL
Qualifications
1 24 (15.58%) Degree
2 4 (2.60%) Security Cleared
3 2 (1.30%) SC Cleared
3 2 (1.30%) DV Cleared
3 2 (1.30%) PhD
3 2 (1.30%) Postgraduate
4 1 (0.65%) ISTQB
Quality Assurance & Compliance
1 7 (4.55%) QA
2 2 (1.30%) Data Quality
System Software
1 15 (9.74%) Apache Flume
2 11 (7.14%) VMware Infrastructure
2 11 (7.14%) VirtualBox
2 11 (7.14%) Docker
3 3 (1.95%) Apache ZooKeeper
4 1 (0.65%) GPFS
Systems Management
1 15 (9.74%) Nagios
2 14 (9.09%) Oozie
2 14 (9.09%) Puppet
2 14 (9.09%) ZABBIX
3 12 (7.79%) Hadoop YARN
4 11 (7.14%) Opscode Chef
4 11 (7.14%) Salt
4 11 (7.14%) Vagrant
4 11 (7.14%) Ansible
4 11 (7.14%) Kubernetes
5 3 (1.95%) OpenView
5 3 (1.95%) Ambari
5 3 (1.95%) Cacti
5 3 (1.95%) Munin
Vendors
1 43 (27.92%) Oracle
2 29 (18.83%) Hortonworks
3 27 (17.53%) Teradata
4 26 (16.88%) IBM
5 25 (16.23%) Cloudera
6 21 (13.64%) Tableau
7 20 (12.99%) Greenplum
8 19 (12.34%) MapR
9 16 (10.39%) Ab Initio
9 16 (10.39%) Informatica
10 15 (9.74%) Google
11 14 (9.09%) Splunk
11 14 (9.09%) Cognos
12 11 (7.14%) VMware
12 11 (7.14%) Rackspace
12 11 (7.14%) SaltStack
12 11 (7.14%) New Relic
13 9 (5.84%) Microsoft
14 7 (4.55%) HP
14 7 (4.55%) SAP
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