Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies with a requirement for GSM skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited GSM over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Global System for Mobile Communications (GSM)
UK
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 1128 1068 1089
Rank change year-on-year -60 +21 -103
Permanent jobs citing GSM 83 154 234
As % of all permanent IT jobs advertised in the UK 0.046% 0.081% 0.11%
As % of the Communications & Networking category 0.29% 0.48% 0.64%
Number of salaries quoted 70 117 199
UK median annual salary £52,500 £48,750 £49,500
Median salary % change year-on-year +7.69% -1.52% +10.00%
10th Percentile £32,375 £37,500 £31,250
90th Percentile £67,500 £72,500 £70,000
UK excluding London median annual salary £52,500 £48,750 £42,500
% change year-on-year +7.69% +14.71% -5.56%

GSM is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 28197 32099 36357
As % of all permanent IT jobs advertised in the UK 15.65% 16.96% 16.62%
Number of salaries quoted 22815 26256 30085
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £25,750 £26,000 £25,000
90th Percentile £72,500 £72,500 £71,250
UK excluding London median annual salary £40,000 £40,000 £40,000

GSM
Job Vacancy Trend

Job postings citing GSM as a percentage of all IT jobs advertised.

Job vacancy trend for GSM in the UK

GSM
Salary Trend

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

Salary trend for GSM in the UK

GSM
Salary Histogram

The salary distribution of IT jobs citing GSM over the 6 months to 24 November 2017.

Salary histogram for GSM in the UK

GSM
Top 10 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing GSM within the UK over the 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -23 82 £52,500 +7.69% 7
UK excluding London +18 72 £52,500 +7.69% 8
South East +58 62 £52,500 +5.00% 7
London -30 10 £55,000 -15.38%
Midlands +27 8 £37,500 -6.25%
East Midlands +25 4 £42,500 +21.43%
West Midlands +17 4 £32,500 -27.78%
South West +15 1 £37,500 -5.06%
North of England -1 1 £50,000 +2.56%
Yorkshire - 1 £50,000 -

For the 6 months to 24 November 2017, IT jobs citing GSM also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for GSM.

1 69 (83.13%) UMTS
2 68 (81.93%) LTE
3 65 (78.31%) Telecoms
4 52 (62.65%) Software Engineering
5 51 (61.45%) Linux
6 43 (51.81%) Cisco
7 35 (42.17%) Wireshark
8 34 (40.96%) C++
9 33 (39.76%) Diameter Protocol
10 32 (38.55%) RANAP
11 28 (33.73%) Subversion
11 28 (33.73%) GCC
12 27 (32.53%) Multithreading
13 26 (31.33%) Boost C++ Libraries
13 26 (31.33%) Asterisk PBX
13 26 (31.33%) GDB
13 26 (31.33%) Trac
13 26 (31.33%) Cross-Platform Development
13 26 (31.33%) STL
13 26 (31.33%) OO
13 26 (31.33%) PBX
13 26 (31.33%) RTP
14 25 (30.12%) SGSN
14 25 (30.12%) MGW
15 24 (28.92%) GGSN
16 21 (25.30%) VoIP
17 18 (21.69%) Python
18 17 (20.48%) Perl
18 17 (20.48%) VPN
18 17 (20.48%) IPsec

GSM
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (1.20%) Apache Spark
Applications
1 2 (2.41%) Microsoft Office
Communications & Networking
1 69 (83.13%) UMTS
2 68 (81.93%) LTE
3 35 (42.17%) Wireshark
4 33 (39.76%) Diameter Protocol
5 32 (38.55%) RANAP
6 26 (31.33%) Asterisk PBX
6 26 (31.33%) PBX
6 26 (31.33%) RTP
7 25 (30.12%) MGW
7 25 (30.12%) SGSN
8 24 (28.92%) GGSN
9 21 (25.30%) VoIP
10 17 (20.48%) IPsec
10 17 (20.48%) M3UA
10 17 (20.48%) SCCP
10 17 (20.48%) SCTP
10 17 (20.48%) TCAP
10 17 (20.48%) VPN
11 10 (12.05%) Wireless
12 6 (7.23%) 3G
Database & Business Intelligence
1 7 (8.43%) Big Data
2 2 (2.41%) Hadoop
3 1 (1.20%) Apache Cassandra
3 1 (1.20%) HBase
3 1 (1.20%) PostgreSQL
3 1 (1.20%) RDBMS
3 1 (1.20%) Redis
3 1 (1.20%) Relational Database
Development Applications
1 28 (33.73%) GCC
1 28 (33.73%) Subversion
2 26 (31.33%) GDB
2 26 (31.33%) Trac
3 2 (2.41%) Maven
4 1 (1.20%) Git (software)
4 1 (1.20%) JIRA
4 1 (1.20%) NetBeans
General
1 65 (78.31%) Telecoms
2 7 (8.43%) Electronics
3 5 (6.02%) Automotive
4 3 (3.61%) Finance
5 1 (1.20%) Banking
5 1 (1.20%) Billing
5 1 (1.20%) Manufacturing
Job Titles
1 46 (55.42%) Telecoms Engineer
2 37 (44.58%) Software Engineer
3 26 (31.33%) C++ Software Engineer
4 22 (26.51%) Core Network Engineer
4 22 (26.51%) Network Engineer
5 21 (25.30%) Telecoms Software Engineer
6 13 (15.66%) Linux Engineer
7 11 (13.25%) Support Engineer
7 11 (13.25%) Telecoms Support Engineer
8 10 (12.05%) Embedded Engineer
9 8 (9.64%) Architect
9 8 (9.64%) Embedded Software Engineer
10 7 (8.43%) Senior Telecoms Engineer
10 7 (8.43%) Solutions Architect
10 7 (8.43%) Systems Architect
11 6 (7.23%) Senior Solutions Architect
11 6 (7.23%) Senior Systems Architect
11 6 (7.23%) Senior Systems Engineer
11 6 (7.23%) Systems Engineer
11 6 (7.23%) Telecoms Architect
Libraries, Frameworks & Software Standards
1 26 (31.33%) Boost C++ Libraries
1 26 (31.33%) STL
2 2 (2.41%) Kafka
2 2 (2.41%) Spring
3 1 (1.20%) Qt
3 1 (1.20%) WAP
3 1 (1.20%) Web Services
3 1 (1.20%) XML
3 1 (1.20%) Yocto
Miscellaneous
1 6 (7.23%) Greenfield Project
2 5 (6.02%) Algorithms
2 5 (6.02%) Computer Science
3 2 (2.41%) Enterprise Software
3 2 (2.41%) Handset
4 1 (1.20%) Analytical Skills
4 1 (1.20%) Blackberry
4 1 (1.20%) Data Centre
4 1 (1.20%) Embedded Systems
4 1 (1.20%) User Experience
4 1 (1.20%) Video Conferencing
4 1 (1.20%) Virtual Team
Operating Systems
1 51 (61.45%) Linux
2 2 (2.41%) Android
2 2 (2.41%) CentOS
3 1 (1.20%) Embedded Linux
3 1 (1.20%) Red Hat Enterprise Linux
3 1 (1.20%) Windows
Processes & Methodologies
1 52 (62.65%) Software Engineering
2 27 (32.53%) Multithreading
3 26 (31.33%) Cross-Platform Development
3 26 (31.33%) OO
4 11 (13.25%) Presales
5 6 (7.23%) Agile Software Development
5 6 (7.23%) Network Architecture
5 6 (7.23%) Telematics
6 5 (6.02%) OOP
6 5 (6.02%) Project Management
7 4 (4.82%) Embedded Software Development
7 4 (4.82%) Network Optimisation
7 4 (4.82%) Radio Network Optimisation
8 3 (3.61%) Scrum
8 3 (3.61%) Test Automation
8 3 (3.61%) Unit Testing
9 2 (2.41%) Analytics
9 2 (2.41%) Kanban
9 2 (2.41%) SDLC
9 2 (2.41%) Validation
Programming Languages
1 34 (40.96%) C++
2 18 (21.69%) Python
3 17 (20.48%) Bash Shell
3 17 (20.48%) Perl
4 15 (18.07%) C
5 9 (10.84%) Embedded C
6 6 (7.23%) Shell Script
7 4 (4.82%) Java
7 4 (4.82%) SQL
8 3 (3.61%) C#
9 1 (1.20%) Embedded C++
9 1 (1.20%) Scala
Qualifications
1 14 (16.87%) Degree
2 1 (1.20%) Master's Degree
Quality Assurance & Compliance
1 5 (6.02%) QA
2 3 (3.61%) MISRA
2 3 (3.61%) MISRA C
3 1 (1.20%) Data Quality
3 1 (1.20%) ISO 26262
System Software
1 6 (7.23%) Firmware
2 1 (1.20%) Docker
Vendors
1 43 (51.81%) Cisco
2 4 (4.82%) Actix
2 4 (4.82%) Mapinfo
3 2 (2.41%) Red Hat
4 1 (1.20%) Apple
4 1 (1.20%) Atmel
4 1 (1.20%) Vertica