The table below looks at the statistics for GSM skills in IT jobs advertised for the 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 587 571 568
Rank change year-on-year
-16 -3
Permanent jobs citing GSM 25 65 57
As % of all permanent IT jobs located in London 0.056% 0.14% 0.12%
As % of the Communications & Networking category 0.34% 0.88% 0.61%
Number of salaries quoted 24 52 53
Average salary £62,500 £42,500 £50,000
Average salary % change year-on-year
+47.05% -15.00%
90% offered a salary of more than £26,650 £34,250 £23,000
10% offered a salary of more than £114,500 £55,000 £64,000
UK excluding London average salary £42,000 £50,000 £45,000
% change year-on-year
-16.00% +11.11%
GSM
England

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

Communications & Networking Category
London
Permanent IT job ads with a match in the
Communications & Networking category
7417 7367 9378
As % of all permanent IT jobs located in London 16.75% 16.23% 19.59%
Number of salaries quoted 6280 6039 7960
Average salary £47,500 £50,000 £50,000
Average salary % change year-on-year
-5.00% -
90% offered a salary of more than £30,000 £32,500 £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 London

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

GSM Jobs Demand Trend in London

GSM
Salary Trend in London

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

GSM Salary Trend in London

GSM
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing GSM across the London region over the 3 months to 19 December 2014.

GSM Salary Histogram in London

GSM
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing GSM within the London region over the 3 months to 19 December 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
Brentford - 8 £90,000 -
City of London +13 2 £22,000 -40.54%
Feltham - 1 £47,000 -
GSM
England

GSM
Top 30 Related IT Skills in London

For the 6 months to 19 December 2014, IT jobs across the 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 56 (82.35%) Telecoms
2 23 (33.82%) LAN
2 23 (33.82%) VoIP
2 23 (33.82%) TCP/IP
3 22 (32.35%) LTE
4 21 (30.88%) Wi-Fi
4 21 (30.88%) UMTS
4 21 (30.88%) Analytical Skills
5 20 (29.41%) Wireless
6 18 (26.47%) CRM
6 18 (26.47%) Handset
7 17 (25.00%) Microsoft
8 16 (23.53%) MS Excel
9 15 (22.06%) MS Office
9 15 (22.06%) MySQL
9 15 (22.06%) DSL
9 15 (22.06%) Mobile App
10 14 (20.59%) SQL
10 14 (20.59%) Time Management
11 13 (19.12%) Software Engineering
12 12 (17.65%) Agile Software Development
12 12 (17.65%) Linux
12 12 (17.65%) Computer Science
13 11 (16.18%) Degree
13 11 (16.18%) C++
14 10 (14.71%) Java
15 9 (13.24%) 3GPP
15 9 (13.24%) 3G
16 8 (11.76%) RTP
16 8 (11.76%) SS7

GSM
Top Related IT Skills in London by Category

For the 6 months to 19 December 2014, IT jobs across the 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.

Application Platforms
1 1 (1.47%) MS Exchange
1 1 (1.47%) Lync
Applications
1 16 (23.53%) MS Excel
2 15 (22.06%) MS Office
3 1 (1.47%) MS Visio
3 1 (1.47%) MS PowerPoint
Cloud Services
1 2 (2.94%) SaaS
2 1 (1.47%) GitHub
2 1 (1.47%) Amazon AWS
Communications & Networking
1 23 (33.82%) LAN
1 23 (33.82%) VoIP
1 23 (33.82%) TCP/IP
2 22 (32.35%) LTE
3 21 (30.88%) UMTS
3 21 (30.88%) Wi-Fi
4 20 (29.41%) Wireless
5 15 (22.06%) DSL
6 9 (13.24%) 3G
6 9 (13.24%) 3GPP
7 8 (11.76%) GPRS
7 8 (11.76%) RTP
7 8 (11.76%) SS7
7 8 (11.76%) VLAN
8 7 (10.29%) 2G
8 7 (10.29%) Internet
9 6 (8.82%) DWDM
9 6 (8.82%) TCAP
9 6 (8.82%) INAP
9 6 (8.82%) SDH
Database & Business Intelligence
1 15 (22.06%) MySQL
2 3 (4.41%) SQL Server
3 2 (2.94%) MongoDB
4 1 (1.47%) NoSQL
4 1 (1.47%) Relational Database
4 1 (1.47%) RDBMS
4 1 (1.47%) CouchDB
Development Applications
1 4 (5.88%) Subversion
1 4 (5.88%) JIRA
2 3 (4.41%) Git (software)
2 3 (4.41%) Robotium
2 3 (4.41%) Robolectric
3 1 (1.47%) Moq
3 1 (1.47%) SoapUI
3 1 (1.47%) SpecFlow
3 1 (1.47%) Selenium
3 1 (1.47%) TeamCity
General
1 56 (82.35%) Telecoms
2 8 (11.76%) Billing
3 7 (10.29%) Marketing
4 6 (8.82%) Dutch Language
5 5 (7.35%) German Language
5 5 (7.35%) Electronics
6 4 (5.88%) Finance
6 4 (5.88%) Spanish Language
7 2 (2.94%) Multimedia
8 1 (1.47%) Back Office
Job Titles
1 14 (20.59%) Developer
2 8 (11.76%) C++ Developer
2 8 (11.76%) Account Director
3 7 (10.29%) Senior Developer
4 6 (8.82%) Senior C++ Developer
5 4 (5.88%) Test Engineer
6 3 (4.41%) Team Leader
6 3 (4.41%) Technical Manager
6 3 (4.41%) QA Engineer
6 3 (4.41%) Service Manager
6 3 (4.41%) Consultant
6 3 (4.41%) Android Developer
7 2 (2.94%) C++ Software Developer
7 2 (2.94%) Senior Technical Engineer
7 2 (2.94%) Mobile Tester
7 2 (2.94%) Solutions Architect
7 2 (2.94%) Software Developer
7 2 (2.94%) Architect
7 2 (2.94%) Tester
7 2 (2.94%) Network Engineer
Libraries, Frameworks & Software Standards
1 7 (10.29%) .NET
2 6 (8.82%) STL
2 6 (8.82%) Boost C++ Libraries
3 3 (4.41%) J2SE
3 3 (4.41%) JNI
3 3 (4.41%) XMPP
4 2 (2.94%) Web Services
5 1 (1.47%) ASP.NET
5 1 (1.47%) .NET Framework
5 1 (1.47%) WCF
5 1 (1.47%) Django
5 1 (1.47%) RESTful
5 1 (1.47%) ActiveMQ
5 1 (1.47%) SQLAlchemy
5 1 (1.47%) RabbitMQ
5 1 (1.47%) ADO.NET Entity Framework
5 1 (1.47%) Castle Windsor
Miscellaneous
1 21 (30.88%) Analytical Skills
2 18 (26.47%) Handset
3 15 (22.06%) Mobile App
4 12 (17.65%) Computer Science
5 4 (5.88%) Smartphone
6 3 (4.41%) Statistics
6 3 (4.41%) Blackberry
6 3 (4.41%) Open Source
6 3 (4.41%) Data Structures
6 3 (4.41%) Algorithms
7 2 (2.94%) Social Media
7 2 (2.94%) User Experience
7 2 (2.94%) Management Information System
7 2 (2.94%) iPhone
8 1 (1.47%) IVR
8 1 (1.47%) Inversion of Control
Operating Systems
1 12 (17.65%) Linux
2 8 (11.76%) UNIX
2 8 (11.76%) Android
3 7 (10.29%) Windows
4 2 (2.94%) Windows Server 2003
4 2 (2.94%) Windows Server 2008
4 2 (2.94%) Apple iOS
5 1 (1.47%) BlackBerry OS
5 1 (1.47%) CentOS
5 1 (1.47%) Red Hat Enterprise Linux
Processes & Methodologies
1 18 (26.47%) CRM
2 14 (20.59%) Time Management
3 13 (19.12%) Software Engineering
4 12 (17.65%) Agile Software Development
5 8 (11.76%) OO
5 8 (11.76%) Network Design
6 6 (8.82%) Multithreading
7 5 (7.35%) Project Management
8 3 (4.41%) ITIL
8 3 (4.41%) Service Delivery
8 3 (4.41%) Mobile Application Development
8 3 (4.41%) Android Development
9 2 (2.94%) Root Cause Analysis
9 2 (2.94%) Analytics
9 2 (2.94%) Workflow
9 2 (2.94%) PRINCE2
9 2 (2.94%) Service Management
9 2 (2.94%) Process Management
9 2 (2.94%) E-Commerce
9 2 (2.94%) Use Case
Programming Languages
1 14 (20.59%) SQL
2 11 (16.18%) C++
3 10 (14.71%) Java
4 7 (10.29%) C#
5 6 (8.82%) C
6 4 (5.88%) Python
7 3 (4.41%) Perl
8 1 (1.47%) PHP
8 1 (1.47%) Ruby
Qualifications
1 11 (16.18%) Degree
2 2 (2.94%) ISTQB Foundation Certification
2 2 (2.94%) ISEB
2 2 (2.94%) ISTQB
3 1 (1.47%) HND
Quality Assurance & Compliance
1 5 (7.35%) SLA
2 4 (5.88%) QA
System Software
1 1 (1.47%) Active Directory
Systems Management
1 1 (1.47%) HP Quality Center
1 1 (1.47%) StatsD
Vendors
1 17 (25.00%) Microsoft
2 8 (11.76%) Alcatel-Lucent
2 8 (11.76%) Ericsson
2 8 (11.76%) Huawei
2 8 (11.76%) Nokia Solutions and Networks
3 3 (4.41%) Google
3 3 (4.41%) Nokia
3 3 (4.41%) Salesforce.com
4 2 (2.94%) HP
5 1 (1.47%) Intel
5 1 (1.47%) BT
5 1 (1.47%) VMware
5 1 (1.47%) Apple
5 1 (1.47%) Cisco