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 29 January 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
29 Jan 2015
Same period 2014 Same period 2013
Hadoop Distributed File System (HDFS)
Rank 784 853 880
Rank change year-on-year
+69 +27
Permanent jobs citing HDFS 82 22 6
As % of all permanent IT jobs located in the UK 0.079% 0.021% 0.005%
As % of the System Software category 0.65% 0.20% 0.055%
Number of salaries quoted 72 20 5
Average salary £61,250 £80,000 £42,500
Average salary % change year-on-year
-23.43% +88.23%
90% offered a salary of more than £45,000 £40,000 £26,400
10% offered a salary of more than £82,500 £87,500 £61,000
UK excluding London average salary £45,000 £82,500 £26,000
% change year-on-year
-45.45% +217.30%

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
12554 10765 10954
As % of all permanent IT jobs located in the UK 12.06% 10.32% 9.92%
Number of salaries quoted 10650 8905 9308
Average salary £40,000 £41,000 £42,000
Average salary % change year-on-year
-2.43% -2.38%
90% offered a salary of more than £25,000 £25,000 £27,000
10% offered a salary of more than £62,500 £60,000 £60,000
UK excluding London average salary £37,500 £38,500 £40,000
% change year-on-year
-2.59% -3.75%

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 29 January 2015 within the UK.

HDFS Salary Histogram in the UK

HDFS
Top 22 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 29 January 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 +75 79 £61,250 -23.43% 14
London +31 56 £67,500 -15.62% 10
City of London +18 12 £75,000 -14.28% 3
West Yorkshire - 10 £45,000 - 3
Yorkshire - 10 £45,000 - 3
Leeds - 9 £45,000 - 3
East Midlands - 8 £38,500 -
Northamptonshire - 7 £38,500 -
Northampton - 6 £38,000 -
North West - 3 £62,500 -
Cheshire - 2 £71,250 -
Scotland +8 1 £42,500 -48.48% 1
East of England - 1 £80,000 - 1
Hertfordshire - 1 £80,000 - 1
Kent - 1 £40,000 -
Chatham - 1 £40,000 -
Glasgow - 1 £42,500 - 1
Hemel Hempstead - 1 £80,000 - 1
Huddersfield - 1 £52,500 -
Knutsford - 1 £80,000 -
South East - 1 £40,000 -
Manchester - 1 £55,000 -

HDFS
Top 30 Related IT Skills

For the 6 months to 29 January 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.

1 139 (90.85%) Hadoop
2 128 (83.66%) Big Data
3 109 (71.24%) Java
4 103 (67.32%) Apache Hive
5 102 (66.67%) MapReduce
6 93 (60.78%) Apache Pig
7 83 (54.25%) HBase
8 67 (43.79%) Linux
9 62 (40.52%) SQL
10 61 (39.87%) NoSQL
11 60 (39.22%) MongoDB
12 58 (37.91%) Data Warehouse
13 56 (36.60%) Analytics
14 53 (34.64%) Apache Cassandra
15 51 (33.33%) Teradata
15 51 (33.33%) Kafka
16 45 (29.41%) Apache Flume
16 45 (29.41%) Sqoop
17 44 (28.76%) Oracle
17 44 (28.76%) SQL Server
18 42 (27.45%) Finance
19 37 (24.18%) Banking
19 37 (24.18%) Business Intelligence
20 36 (23.53%) Impala
21 35 (22.88%) Apache Spark
22 34 (22.22%) Performance Tuning
23 32 (20.92%) Analytical Skills
23 32 (20.92%) C++
23 32 (20.92%) Bash Shell
24 30 (19.61%) SQL Server Reporting Services

HDFS
Top Related IT Skills by Category

For the 6 months to 29 January 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 93 (60.78%) Apache Pig
2 35 (22.88%) Apache Spark
3 28 (18.30%) SAS
4 16 (10.46%) Oracle Coherence
5 5 (3.27%) GemFire
6 2 (1.31%) Apache
6 2 (1.31%) nginx
6 2 (1.31%) Apache Solr
6 2 (1.31%) Elasticsearch
Applications
1 12 (7.84%) SPSS
Cloud Services
1 8 (5.23%) Amazon AWS
2 7 (4.58%) Cloud Computing
3 3 (1.96%) GitHub
3 3 (1.96%) Amazon EMR
4 2 (1.31%) Google Cloud Platform
5 1 (0.65%) Amazon EC2
Communications & Networking
1 10 (6.54%) LAN
1 10 (6.54%) WAN
1 10 (6.54%) LDAP
2 7 (4.58%) Internet
3 6 (3.92%) AMQP
4 3 (1.96%) RTP
5 2 (1.31%) Firewall
5 2 (1.31%) SSL
5 2 (1.31%) FTP
5 2 (1.31%) VPN
5 2 (1.31%) SSH
Database & Business Intelligence
1 139 (90.85%) Hadoop
2 128 (83.66%) Big Data
3 103 (67.32%) Apache Hive
4 83 (54.25%) HBase
5 61 (39.87%) NoSQL
6 60 (39.22%) MongoDB
7 58 (37.91%) Data Warehouse
8 53 (34.64%) Apache Cassandra
9 45 (29.41%) Sqoop
10 44 (28.76%) SQL Server
11 36 (23.53%) Impala
12 30 (19.61%) SQL Server Reporting Services
12 30 (19.61%) SQL Server Analysis Services
13 23 (15.03%) MySQL
14 21 (13.73%) SQL Server Integration Services
15 20 (13.07%) Relational Database
16 18 (11.76%) Microsoft Analysis Services
17 17 (11.11%) SQL Server 2008
17 17 (11.11%) VLDB
17 17 (11.11%) MarkLogic
Development Applications
1 11 (7.19%) Git (software)
2 9 (5.88%) Maven
3 7 (4.58%) Jenkins
3 7 (4.58%) Talend Open Studio
4 4 (2.61%) Subversion
5 3 (1.96%) Bitbucket
5 3 (1.96%) JUnit
6 2 (1.31%) Cucumber
7 1 (0.65%) Selenium
7 1 (0.65%) Gerrit
General
1 42 (27.45%) Finance
2 37 (24.18%) Banking
3 27 (17.65%) Marketing
4 25 (16.34%) Retail
5 19 (12.42%) Advertising
6 10 (6.54%) Telecoms
7 5 (3.27%) Law
8 2 (1.31%) Games
9 1 (0.65%) Financial Institution
Job Titles
1 39 (25.49%) Architect
2 35 (22.88%) Developer
3 29 (18.95%) Data Architect
4 26 (16.99%) Big Data Architect
5 16 (10.46%) Big Data Developer
6 15 (9.80%) Administrator
6 15 (9.80%) Data Scientist
7 13 (8.50%) Hadoop Developer
8 11 (7.19%) Senior DBA
8 11 (7.19%) DBA
9 9 (5.88%) Java Developer
10 8 (5.23%) Lead Developer
10 8 (5.23%) Senior Architect
11 7 (4.58%) Big Data Consultant
11 7 (4.58%) Data Consultant
11 7 (4.58%) Senior Data Architect
11 7 (4.58%) Consultant
11 7 (4.58%) SQL DBA
12 5 (3.27%) Hadoop Administrator
12 5 (3.27%) Senior Developer
Libraries, Frameworks & Software Standards
1 51 (33.33%) Kafka
2 23 (15.03%) Cascading
3 13 (8.50%) XML
4 12 (7.84%) Java EE
5 11 (7.19%) JMS
5 11 (7.19%) Web Services
6 9 (5.88%) JSON
6 9 (5.88%) Spring
6 9 (5.88%) RESTful
7 8 (5.23%) Hibernate
7 8 (5.23%) HTML
8 6 (3.92%) J2EE
8 6 (3.92%) JDBC
8 6 (3.92%) JSP
8 6 (3.92%) Servlets
8 6 (3.92%) SOAP
8 6 (3.92%) XSD
8 6 (3.92%) REST
9 5 (3.27%) JMX
10 4 (2.61%) CGI
Miscellaneous
1 32 (20.92%) Analytical Skills
2 24 (15.69%) Open Source
3 23 (15.03%) Data Integration
4 22 (14.38%) Visualisation
5 21 (13.73%) Replication
6 13 (8.50%) Management Information System
7 11 (7.19%) Computer Science
7 11 (7.19%) Social Network
8 9 (5.88%) Statistics
9 7 (4.58%) Algorithms
9 7 (4.58%) Performance Metrics
9 7 (4.58%) Neural Network
10 6 (3.92%) Clustering
10 6 (3.92%) Physics
11 5 (3.27%) Data Structures
12 3 (1.96%) Mobile App
12 3 (1.96%) Market Risk
13 2 (1.31%) Social Media
13 2 (1.31%) Mathematics
14 1 (0.65%) Taxonomies
Operating Systems
1 67 (43.79%) Linux
2 18 (11.76%) UNIX
3 9 (5.88%) Windows
4 6 (3.92%) Windows Server 2003
5 3 (1.96%) Ubuntu
6 1 (0.65%) Windows Server 2012
6 1 (0.65%) Windows Server 2008
Processes & Methodologies
1 102 (66.67%) MapReduce
2 56 (36.60%) Analytics
3 37 (24.18%) Business Intelligence
4 34 (22.22%) Performance Tuning
5 27 (17.65%) ETL
6 18 (11.76%) Data Management
6 18 (11.76%) Data Governance
7 17 (11.11%) Change Data Capture
8 16 (10.46%) Coaching
9 15 (9.80%) Information Architecture
10 14 (9.15%) Stakeholder Management
11 13 (8.50%) Use Case
11 13 (8.50%) Data Architecture
12 12 (7.84%) Agile Software Development
12 12 (7.84%) Data Modelling
12 12 (7.84%) Technical Architecture
13 11 (7.19%) Software Engineering
14 10 (6.54%) Benchmarking
15 9 (5.88%) Data Analysis
15 9 (5.88%) Configuration Management
Programming Languages
1 109 (71.24%) Java
2 62 (40.52%) SQL
3 32 (20.92%) C++
3 32 (20.92%) Bash Shell
4 26 (16.99%) C
5 24 (15.69%) Scala
6 20 (13.07%) T-SQL
6 20 (13.07%) Python
7 13 (8.50%) R
8 11 (7.19%) JavaScript
9 10 (6.54%) MATLAB
10 7 (4.58%) Shell Script
10 7 (4.58%) PHP
11 5 (3.27%) Ruby
12 4 (2.61%) C#
12 4 (2.61%) Pig Latin
13 2 (1.31%) PL/SQL
13 2 (1.31%) Perl
14 1 (0.65%) Korn
14 1 (0.65%) C-shell
Qualifications
1 8 (5.23%) Degree
2 7 (4.58%) SC Cleared
2 7 (4.58%) Security Cleared
Quality Assurance & Compliance
1 7 (4.58%) Data Quality
2 1 (0.65%) QA
System Software
1 45 (29.41%) Apache Flume
2 16 (10.46%) Apache ZooKeeper
3 10 (6.54%) Oracle RAC
4 3 (1.96%) Hyper-V
5 2 (1.31%) VMware Infrastructure
5 2 (1.31%) Postfix
6 1 (0.65%) zsh
6 1 (0.65%) Varnish
6 1 (0.65%) Sendmail
6 1 (0.65%) qmail
Systems Management
1 30 (19.61%) Oozie
2 22 (14.38%) Hadoop YARN
3 16 (10.46%) Ambari
4 13 (8.50%) Puppet
5 7 (4.58%) Opscode Chef
6 4 (2.61%) Nagios
6 4 (2.61%) OpenView
6 4 (2.61%) ZABBIX
6 4 (2.61%) Cacti
6 4 (2.61%) Munin
Vendors
1 51 (33.33%) Teradata
2 44 (28.76%) Oracle
3 27 (17.65%) HP
4 23 (15.03%) Hortonworks
4 23 (15.03%) Cloudera
5 22 (14.38%) Netezza
6 21 (13.73%) Informatica
6 21 (13.73%) Cognos
6 21 (13.73%) MapR
7 20 (13.07%) Ab Initio
8 19 (12.42%) Microsoft
9 16 (10.46%) IBM
9 16 (10.46%) Sony
10 14 (9.15%) Cisco
10 14 (9.15%) Greenplum
11 12 (7.84%) Tableau
12 10 (6.54%) Vertica
12 10 (6.54%) Sybase
12 10 (6.54%) Business Objects
12 10 (6.54%) Intel
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Salary: £70000 - £95000 per annum
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Salary: Highly Competitive Package
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Salary: £45k - 70k per year + Benefits
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Leeds, West Yorkshire
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Salary: Up to £45,000 per annum plus car allowance and benefits
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Salary: From £70,000 to £90,000 per annum + 15% Benefits
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Salary: Competitive
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Salary: Competitive
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Salary: £65000 - £80000 per annum + Bonus, Medical
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Salary: £35000.00 - £50000.00 per annum
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