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 23 October 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
23 Oct 2014
Same period 2013 Same period 2012
Hadoop Distributed File System (HDFS)
Rank 822 836 877
Rank change year-on-year
+14 +41
Permanent jobs citing HDFS 74 35 9
As % of all permanent IT jobs located in the UK 0.065% 0.033% 0.008%
As % of the System Software category 0.58% 0.32% 0.075%
Number of salaries quoted 50 16 8
Average salary £60,000 £65,000 £100,000
Average salary % change year-on-year
-7.69% -35.00%
90% offered a salary of more than £50,000 £48,750 £68,500
10% offered a salary of more than £81,000 £90,000 £120,000
UK excluding London average salary £80,000 £78,750 -
% change year-on-year
+1.58% -

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
12866 11085 11980
As % of all permanent IT jobs located in the UK 11.27% 10.35% 10.60%
Number of salaries quoted 10798 9328 10278
Average salary £40,000 £42,500 £40,500
Average salary % change year-on-year
-5.88% +4.93%
90% offered a salary of more than £25,000 £25,000 £26,020
10% offered a salary of more than £62,500 £60,000 £60,000
UK excluding London average salary £37,500 £39,000 £40,000
% change year-on-year
-3.84% -2.50%

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 23 October 2014 within the UK.

HDFS Salary Histogram in the UK

HDFS
Top 21 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 23 October 2014. 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 +38 74 £60,000 -7.69% 9
London +27 54 £57,500 -11.53% 5
South East -10 9 £50,000 -13.04% 3
East of England - 9 £80,000 - 1
City of London +20 8 £57,500 -20.13% 1
West Midlands - 7 £80,000 -
Hemel Hempstead - 7 £80,000 -
Hertfordshire - 7 £80,000 -
Birmingham - 7 £80,000 -
Milton Keynes - 5 £65,000 -
Buckinghamshire - 5 £65,000 -
Hackney - 5 - -
Southampton - 3 £50,000 -
Hampshire - 3 £50,000 -
Cambridgeshire - 2 £55,000 - 1
Staines - 1 £74,000 -
Northampton - 1 £42,500 -
Cambridge - 1 £50,000 -
Northamptonshire - 1 £42,500 -
Surrey - 1 £74,000 -
East Midlands - 1 £42,500 -

HDFS
Top 30 Related IT Skills

For the 6 months to 23 October 2014, 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.

1 139 (82.25%) Hadoop
2 132 (78.11%) Big Data
3 116 (68.64%) Java
4 99 (58.58%) NoSQL
5 96 (56.80%) SQL
6 94 (55.62%) HBase
6 94 (55.62%) Apache Hive
7 87 (51.48%) MapReduce
7 87 (51.48%) Apache Cassandra
8 84 (49.70%) Linux
9 78 (46.15%) MongoDB
10 72 (42.60%) SQL Server
11 68 (40.24%) Apache Flume
11 68 (40.24%) Analytics
12 65 (38.46%) Data Warehouse
13 61 (36.09%) Oozie
14 60 (35.50%) Apache Pig
15 58 (34.32%) Oracle
15 58 (34.32%) Agile Software Development
16 57 (33.73%) Teradata
17 53 (31.36%) Business Intelligence
18 52 (30.77%) Performance Tuning
19 51 (30.18%) Sqoop
19 51 (30.18%) Mahout
20 49 (28.99%) Netezza
21 46 (27.22%) DB2
22 44 (26.04%) Oracle Exadata
23 43 (25.44%) MarkLogic
24 42 (24.85%) Oracle Coherence
25 41 (24.26%) MapR

HDFS
Top Related IT Skills by Category

For the 6 months to 23 October 2014, 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 60 (35.50%) Apache Pig
2 42 (24.85%) Oracle Coherence
3 16 (9.47%) Apache
4 11 (6.51%) Apache Spark
5 9 (5.33%) Elasticsearch
6 8 (4.73%) SAS
7 5 (2.96%) Confluence
7 5 (2.96%) GemFire
8 2 (1.18%) nginx
Cloud Services
1 17 (10.06%) Amazon AWS
2 12 (7.10%) Amazon EMR
3 11 (6.51%) Cloud Computing
4 6 (3.55%) Amazon EC2
5 1 (0.59%) GitHub
Communications & Networking
1 36 (21.30%) LAN
1 36 (21.30%) WAN
2 10 (5.92%) LDAP
2 10 (5.92%) AMQP
3 5 (2.96%) Internet
4 2 (1.18%) Firewall
4 2 (1.18%) SSH
4 2 (1.18%) FTP
4 2 (1.18%) VPN
4 2 (1.18%) SSL
5 1 (0.59%) RTP
Database & Business Intelligence
1 139 (82.25%) Hadoop
2 132 (78.11%) Big Data
3 99 (58.58%) NoSQL
4 94 (55.62%) HBase
4 94 (55.62%) Apache Hive
5 87 (51.48%) Apache Cassandra
6 78 (46.15%) MongoDB
7 72 (42.60%) SQL Server
8 65 (38.46%) Data Warehouse
9 51 (30.18%) Sqoop
9 51 (30.18%) Mahout
10 46 (27.22%) DB2
11 44 (26.04%) Oracle Exadata
12 43 (25.44%) MarkLogic
13 39 (23.08%) Riak
13 39 (23.08%) HCatalog
14 37 (21.89%) Couchbase
15 27 (15.98%) Impala
16 25 (14.79%) MySQL
17 16 (9.47%) Relational Database
Development Applications
1 14 (8.28%) JIRA
1 14 (8.28%) Git (software)
2 12 (7.10%) Bitbucket
3 11 (6.51%) Jenkins
3 11 (6.51%) Maven
4 9 (5.33%) Talend Open Studio
5 5 (2.96%) Hudson
5 5 (2.96%) JUnit
5 5 (2.96%) Bugzilla
5 5 (2.96%) Subversion
6 4 (2.37%) Ant
6 4 (2.37%) Cucumber
7 1 (0.59%) Gerrit
7 1 (0.59%) Selenium
7 1 (0.59%) QuickTest Pro
7 1 (0.59%) LoadRunner
General
1 37 (21.89%) Banking
2 24 (14.20%) Finance
3 19 (11.24%) Retail
3 19 (11.24%) Marketing
4 10 (5.92%) Games
4 10 (5.92%) Advertising
5 7 (4.14%) Telecoms
6 6 (3.55%) Law
7 5 (2.96%) Publishing
8 1 (0.59%) Investment Banking
Job Titles
1 61 (36.09%) Developer
2 56 (33.14%) Architect
3 47 (27.81%) Data Architect
4 44 (26.04%) Big Data Architect
5 37 (21.89%) Java Developer
6 32 (18.93%) Senior Developer
7 25 (14.79%) Senior Java Developer
8 11 (6.51%) Big Data Developer
9 9 (5.33%) Big Data Consultant
9 9 (5.33%) Data Consultant
9 9 (5.33%) Consultant
10 8 (4.73%) Administrator
11 7 (4.14%) DBA
11 7 (4.14%) Software Engineer
11 7 (4.14%) Business Intelligence Developer
12 5 (2.96%) Data Scientist
12 5 (2.96%) Web Developer
12 5 (2.96%) SQL DBA
12 5 (2.96%) Enterprise Architect
12 5 (2.96%) GIS Developer
Libraries, Frameworks & Software Standards
1 37 (21.89%) SOAP
2 34 (20.12%) REST
3 32 (18.93%) Web Services
4 30 (17.75%) XML
5 24 (14.20%) JSON
6 23 (13.61%) Kafka
7 20 (11.83%) HTML
8 15 (8.88%) JDBC
8 15 (8.88%) JSP
8 15 (8.88%) Servlets
8 15 (8.88%) JMS
9 14 (8.28%) Spring
10 13 (7.69%) Java EE
10 13 (7.69%) RESTful
10 13 (7.69%) ODBC
11 11 (6.51%) J2EE
12 10 (5.92%) XSD
13 9 (5.33%) HTML5
13 9 (5.33%) Hibernate
13 9 (5.33%) ActiveMQ
Miscellaneous
1 40 (23.67%) Visualisation
2 20 (11.83%) Management Information System
3 19 (11.24%) Data Integration
4 18 (10.65%) Computer Science
4 18 (10.65%) Open Source
5 16 (9.47%) Analytical Skills
6 13 (7.69%) Algorithms
7 10 (5.92%) Social Network
8 9 (5.33%) Market Risk
9 7 (4.14%) Mathematics
10 6 (3.55%) Statistics
11 5 (2.96%) Remote Sensing
11 5 (2.96%) Client/Server
11 5 (2.96%) GIS
11 5 (2.96%) Replication
12 4 (2.37%) Clustering
12 4 (2.37%) Neural Network
12 4 (2.37%) Life Science
12 4 (2.37%) Performance Metrics
13 3 (1.78%) Streaming Media
Operating Systems
1 84 (49.70%) Linux
2 33 (19.53%) UNIX
3 15 (8.88%) Windows
4 10 (5.92%) Windows Server 2003
5 2 (1.18%) Windows Server 2008
6 1 (0.59%) Windows Server 2012
6 1 (0.59%) Ubuntu
Processes & Methodologies
1 87 (51.48%) MapReduce
2 68 (40.24%) Analytics
3 58 (34.32%) Agile Software Development
4 53 (31.36%) Business Intelligence
5 52 (30.77%) Performance Tuning
6 36 (21.30%) Benchmarking
7 32 (18.93%) ETL
8 28 (16.57%) TDD
9 27 (15.98%) Scrum
10 25 (14.79%) Continuous Integration
11 22 (13.02%) Software Engineering
12 21 (12.43%) OOP
13 17 (10.06%) Enterprise Architecture
13 17 (10.06%) Unit Testing
13 17 (10.06%) Low Latency
14 15 (8.88%) OO
14 15 (8.88%) Workflow
15 13 (7.69%) Technical Architecture
16 12 (7.10%) Use Case
16 12 (7.10%) Kanban
Programming Languages
1 116 (68.64%) Java
2 96 (56.80%) SQL
3 28 (16.57%) Python
4 17 (10.06%) JavaScript
5 14 (8.28%) T-SQL
6 13 (7.69%) C++
7 11 (6.51%) Shell Script
8 10 (5.92%) R
9 9 (5.33%) PL/SQL
10 8 (4.73%) Bash Shell
11 7 (4.14%) Scala
12 5 (2.96%) C
13 4 (2.37%) C#
14 2 (1.18%) PHP
15 1 (0.59%) Perl
15 1 (0.59%) C-shell
15 1 (0.59%) Ruby
15 1 (0.59%) Korn
Qualifications
1 17 (10.06%) Degree
2 7 (4.14%) SC Cleared
2 7 (4.14%) Security Cleared
3 1 (0.59%) ISEB
Quality Assurance & Compliance
1 7 (4.14%) Data Quality
2 1 (0.59%) QA
System Software
1 68 (40.24%) Apache Flume
2 40 (23.67%) Apache ZooKeeper
3 36 (21.30%) Oracle RAC
4 2 (1.18%) Hyper-V
4 2 (1.18%) Postfix
5 1 (0.59%) Sendmail
5 1 (0.59%) Varnish
5 1 (0.59%) zsh
5 1 (0.59%) qmail
5 1 (0.59%) VMware Infrastructure
Systems Management
1 61 (36.09%) Oozie
2 40 (23.67%) Ambari
3 15 (8.88%) Hadoop YARN
4 6 (3.55%) Puppet
5 2 (1.18%) Opscode Chef
6 1 (0.59%) HP Quality Center
Vendors
1 58 (34.32%) Oracle
2 57 (33.73%) Teradata
3 49 (28.99%) Netezza
4 41 (24.26%) MapR
5 40 (23.67%) Hortonworks
6 36 (21.30%) Sybase
6 36 (21.30%) Cisco
6 36 (21.30%) Intel
7 19 (11.24%) Cloudera
8 13 (7.69%) IBM
9 12 (7.10%) Greenplum
10 11 (6.51%) Business Objects
10 11 (6.51%) HP
11 10 (5.92%) Rackspace
11 10 (5.92%) Google
12 9 (5.33%) Talend
13 5 (2.96%) Terracotta
13 5 (2.96%) Vertica
13 5 (2.96%) GigaSpaces
13 5 (2.96%) Cognos
London
Mortimer Spinks
Salary: £55000 - £70000 per annum + excellent
Posted: 2 days ago
London
Hays IT - Uk Posting account
Salary: £70000.00 - £110000.00 per annum
Posted: 2 days ago
City, London
E-synergy Solutions
Salary: £50000 - £65000 per annum + Benefits
Posted: 6 days ago
Peterborough, Cambridgeshire
comparethemarket.com
Salary: Up to £50,000 per annum plus excellent benefits
Posted: 8 days ago
London
Hays IT - Uk Posting account
Salary: £60000.00 - £85000.00 per annum
Posted: 23 days ago