The table below looks at the statistics for GSM skills in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited GSM over the 3 months to 19 December 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
19 Dec 2014
Same period 2013 Same period 2012
Global System for Mobile Communications (GSM)
Rank 304 317 303
Rank change year-on-year
+13 -14
Permanent jobs citing GSM 2 20 22
As % of all permanent IT jobs located in the City of London 0.018% 0.17% 0.19%
As % of the Communications & Networking category 0.11% 1.10% 0.87%
Number of salaries quoted 2 13 22
Average salary £22,000 £37,000 £50,000
Average salary % change year-on-year
-40.54% -26.00%
UK excluding London average salary £42,000 £50,000 £45,000
% change year-on-year
-16.00% +11.11%
GSM
London

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised in the City of London region.

Communications & Networking Category
City of London
Permanent IT job ads with a match in the
Communications & Networking category
1860 1825 2515
As % of all permanent IT jobs located in the City of London 17.06% 15.40% 21.47%
Number of salaries quoted 1630 1601 2224
Average salary £49,000 £50,000 £48,500
Average salary % change year-on-year
-2.00% +3.09%
90% offered a salary of more than £30,000 £31,750 £31,500
10% offered a salary of more than £70,000 £70,000 £70,000
UK excluding London average salary £40,000 £40,000 £40,000

GSM
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of permanent IT jobs citing GSM across the City of London region as a proportion of the total demand within the Communications & Networking category.

GSM Jobs Demand Trend in the City of London

GSM
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing GSM across the City of London region.

GSM Salary Trend in the City of London

GSM
Top 30 Related IT Skills in the City of London

For the 6 months to 19 December 2014, IT jobs across the City of London region citing GSM 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 GSM.

1 21 (84.00%) Telecoms
2 18 (72.00%) VoIP
3 17 (68.00%) CRM
4 16 (64.00%) Analytical Skills
4 16 (64.00%) Handset
5 15 (60.00%) Mobile App
6 14 (56.00%) MySQL
6 14 (56.00%) Time Management
7 12 (48.00%) MS Office
7 12 (48.00%) MS Excel
7 12 (48.00%) Microsoft
7 12 (48.00%) TCP/IP
7 12 (48.00%) DSL
7 12 (48.00%) Wi-Fi
7 12 (48.00%) LAN
8 6 (24.00%) SQL
9 4 (16.00%) C
9 4 (16.00%) Android
9 4 (16.00%) Subversion
9 4 (16.00%) SLA
9 4 (16.00%) Dutch Language
10 3 (12.00%) German Language
10 3 (12.00%) Google
10 3 (12.00%) Open Source
10 3 (12.00%) Git (software)
10 3 (12.00%) Robotium
10 3 (12.00%) Robolectric
10 3 (12.00%) Data Structures
10 3 (12.00%) Algorithms
10 3 (12.00%) JIRA

GSM
Top Related IT Skills in the City of London by Category

For the 6 months to 19 December 2014, IT jobs across the City of London region citing GSM 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 GSM. Up to 20 skills are shown per category.

Applications
1 12 (48.00%) MS Office
1 12 (48.00%) MS Excel
Communications & Networking
1 18 (72.00%) VoIP
2 12 (48.00%) TCP/IP
2 12 (48.00%) DSL
2 12 (48.00%) Wi-Fi
2 12 (48.00%) LAN
3 2 (8.00%) 3GPP
3 2 (8.00%) LTE
3 2 (8.00%) 4G
3 2 (8.00%) MVNO
3 2 (8.00%) VoLTE
3 2 (8.00%) RTP
Database & Business Intelligence
1 14 (56.00%) MySQL
2 2 (8.00%) MongoDB
3 1 (4.00%) NoSQL
3 1 (4.00%) Relational Database
3 1 (4.00%) SQL Server
3 1 (4.00%) RDBMS
3 1 (4.00%) CouchDB
Development Applications
1 4 (16.00%) Subversion
2 3 (12.00%) JIRA
2 3 (12.00%) Git (software)
2 3 (12.00%) Robotium
2 3 (12.00%) Robolectric
3 1 (4.00%) Moq
3 1 (4.00%) SpecFlow
3 1 (4.00%) TeamCity
General
1 21 (84.00%) Telecoms
2 4 (16.00%) Dutch Language
3 3 (12.00%) German Language
4 2 (8.00%) Spanish Language
4 2 (8.00%) Multimedia
5 1 (4.00%) Billing
5 1 (4.00%) Marketing
Job Titles
1 5 (20.00%) Developer
2 3 (12.00%) Android Developer
3 2 (8.00%) Service Manager
3 2 (8.00%) Team Leader
4 1 (4.00%) SQL Developer
4 1 (4.00%) SQL DBA
4 1 (4.00%) Call Centre Team Leader
4 1 (4.00%) Voice Engineer
4 1 (4.00%) Voice Specialist
4 1 (4.00%) .NET Developer
4 1 (4.00%) Commercial Manager
4 1 (4.00%) DBA
Libraries, Frameworks & Software Standards
1 3 (12.00%) J2SE
1 3 (12.00%) JNI
1 3 (12.00%) XMPP
2 1 (4.00%) .NET Framework
2 1 (4.00%) WCF
2 1 (4.00%) ADO.NET Entity Framework
2 1 (4.00%) Castle Windsor
2 1 (4.00%) .NET
2 1 (4.00%) ASP.NET
2 1 (4.00%) Web Services
Miscellaneous
1 16 (64.00%) Handset
1 16 (64.00%) Analytical Skills
2 15 (60.00%) Mobile App
3 3 (12.00%) Data Structures
3 3 (12.00%) Algorithms
3 3 (12.00%) Open Source
4 2 (8.00%) Statistics
4 2 (8.00%) User Experience
5 1 (4.00%) Inversion of Control
Operating Systems
1 4 (16.00%) Android
2 1 (4.00%) Apple iOS
2 1 (4.00%) UNIX
2 1 (4.00%) Linux
Processes & Methodologies
1 17 (68.00%) CRM
2 14 (56.00%) Time Management
3 3 (12.00%) Mobile Application Development
3 3 (12.00%) Android Development
3 3 (12.00%) Agile Software Development
4 2 (8.00%) ITIL
4 2 (8.00%) Network Design
4 2 (8.00%) Software Engineering
4 2 (8.00%) Use Case
4 2 (8.00%) E-Commerce
4 2 (8.00%) Service Management
4 2 (8.00%) Process Management
4 2 (8.00%) Network Management
4 2 (8.00%) Root Cause Analysis
5 1 (4.00%) Analytics
5 1 (4.00%) Customer Engagement
5 1 (4.00%) DevOps
5 1 (4.00%) MVC
5 1 (4.00%) Scrum
5 1 (4.00%) Data Modelling
Programming Languages
1 6 (24.00%) SQL
2 4 (16.00%) C
3 3 (12.00%) C++
3 3 (12.00%) Java
4 1 (4.00%) Perl
4 1 (4.00%) PHP
4 1 (4.00%) C#
4 1 (4.00%) Python
4 1 (4.00%) Ruby
Qualifications
1 2 (8.00%) Degree
Quality Assurance & Compliance
1 4 (16.00%) SLA
Systems Management
1 1 (4.00%) StatsD
Vendors
1 12 (48.00%) Microsoft
2 3 (12.00%) Google
3 2 (8.00%) Salesforce.com
4 1 (4.00%) BT