Period
to 25 February 2018

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 25 February 2018 with a comparison to the same period in the previous 2 years.

Global System for Mobile Communications (GSM)
UK
6 months to
25 Feb 2018
Same period 2017 Same period 2016
Rank 1095 1026 1089
Rank change year-on-year -69 +63 -75
Permanent jobs citing GSM 86 148 211
As % of all permanent IT jobs advertised in the UK 0.049% 0.085% 0.10%
As % of the Communications & Networking category 0.33% 0.51% 0.60%
Number of salaries quoted 68 114 169
UK median annual salary £52,500 £50,000 £45,000
Median salary % change year-on-year +5.00% +11.11% -
10th Percentile £37,500 £31,250 £36,650
90th Percentile £67,500 £76,250 £65,750
UK excluding London median annual salary £52,500 £40,000 £41,500
% change year-on-year +31.25% -3.61% -4.60%

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 26,454 28,910 35,077
As % of all permanent IT jobs advertised in the UK 15.19% 16.57% 16.64%
Number of salaries quoted 21,360 23,490 29,082
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £26,000 £25,750 £25,000
90th Percentile £73,750 £72,500 £70,000
UK excluding London median annual salary £40,500 £40,000 £40,000
% change year-on-year +1.25% - -

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 25 February 2018.

Salary histogram for GSM in the UK

GSM
Top 9 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 25 February 2018. 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 -46 84 £52,500 +5.00% 23
UK excluding London -16 75 £52,500 +31.25% 25
South East +23 68 £53,750 +19.44% 12
London -51 9 £50,000 -23.08% 3
Midlands +6 3 £32,500 -18.75% 6
South West +11 2 £46,250 +28.47% 1
East of England -12 2 £38,500 -24.88% 1
West Midlands - 2 £32,500 - 4
East Midlands 0 1 £60,000 +50.00% 2

For the 6 months to 25 February 2018, IT jobs citing GSM also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for GSM.

1 72 (83.72%) Telecoms
2 70 (81.40%) UMTS
3 69 (80.23%) LTE
4 57 (66.28%) Software Engineering
5 52 (60.47%) Linux
6 48 (55.81%) Cisco
7 45 (52.33%) Wireshark
8 41 (47.67%) Diameter Protocol
9 40 (46.51%) RANAP
10 38 (44.19%) C++
11 35 (40.70%) PBX
11 35 (40.70%) GGSN
11 35 (40.70%) SGSN
11 35 (40.70%) Subversion
11 35 (40.70%) GCC
12 34 (39.53%) GDB
12 34 (39.53%) Trac
12 34 (39.53%) MGW
12 34 (39.53%) Multithreading
12 34 (39.53%) Boost C++ Libraries
12 34 (39.53%) Asterisk PBX
12 34 (39.53%) Cross-Platform Development
12 34 (39.53%) STL
12 34 (39.53%) OO
12 34 (39.53%) RTP
13 17 (19.77%) VoIP
13 17 (19.77%) Python
14 12 (13.95%) IPsec
14 12 (13.95%) Perl
14 12 (13.95%) C

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 4 (4.65%) Apache Spark
Communications & Networking
1 70 (81.40%) UMTS
2 69 (80.23%) LTE
3 45 (52.33%) Wireshark
4 41 (47.67%) Diameter Protocol
5 40 (46.51%) RANAP
6 35 (40.70%) GGSN
6 35 (40.70%) PBX
6 35 (40.70%) SGSN
7 34 (39.53%) Asterisk PBX
7 34 (39.53%) MGW
7 34 (39.53%) RTP
8 17 (19.77%) VoIP
9 12 (13.95%) IPsec
9 12 (13.95%) M3UA
9 12 (13.95%) SCCP
9 12 (13.95%) SCTP
9 12 (13.95%) TCAP
9 12 (13.95%) VPN
10 10 (11.63%) 5G
11 5 (5.81%) Radio Access Network
Database & Business Intelligence
1 6 (6.98%) Big Data
2 4 (4.65%) Hadoop
3 2 (2.33%) Apache Cassandra
3 2 (2.33%) Apache Hive
3 2 (2.33%) HBase
3 2 (2.33%) RDBMS
3 2 (2.33%) Redis
3 2 (2.33%) Relational Database
Development Applications
1 35 (40.70%) GCC
1 35 (40.70%) Subversion
2 34 (39.53%) GDB
2 34 (39.53%) Trac
3 2 (2.33%) Git (software)
4 1 (1.16%) Eclipse
General
1 72 (83.72%) Telecoms
2 4 (4.65%) Automotive
2 4 (4.65%) Finance
2 4 (4.65%) Legal
3 2 (2.33%) Billing
4 1 (1.16%) Electronics
4 1 (1.16%) Manufacturing
4 1 (1.16%) Retail
Job Titles
1 44 (51.16%) Telecoms Engineer
2 42 (48.84%) Software Engineer
3 35 (40.70%) C++ Software Engineer
4 28 (32.56%) Core Network Engineer
4 28 (32.56%) Network Engineer
5 26 (30.23%) Telecoms Software Engineer
6 16 (18.60%) Linux Engineer
7 7 (8.14%) Architect
7 7 (8.14%) Systems Architect
8 6 (6.98%) Embedded Engineer
8 6 (6.98%) Embedded Software Engineer
8 6 (6.98%) Senior Architect
8 6 (6.98%) Senior Solutions Architect
8 6 (6.98%) Senior Systems Architect
8 6 (6.98%) Senior Systems Engineer
8 6 (6.98%) Senior Telecoms Engineer
8 6 (6.98%) Solutions Architect
8 6 (6.98%) Support Engineer
8 6 (6.98%) Systems Engineer
8 6 (6.98%) Telecoms Architect
Libraries, Frameworks & Software Standards
1 34 (39.53%) Boost C++ Libraries
1 34 (39.53%) STL
2 2 (2.33%) Kafka
2 2 (2.33%) Qt
2 2 (2.33%) Yocto
Miscellaneous
1 6 (6.98%) Algorithms
2 5 (5.81%) Greenfield Project
3 4 (4.65%) Analytical Skills
3 4 (4.65%) Management Information System
4 3 (3.49%) Computer Science
5 2 (2.33%) Enterprise Software
6 1 (1.16%) CAN bus
6 1 (1.16%) Embedded Systems
6 1 (1.16%) IVR
6 1 (1.16%) Video Conferencing
Operating Systems
1 52 (60.47%) Linux
2 3 (3.49%) Unix
3 2 (2.33%) Embedded Linux
4 1 (1.16%) Windows
Processes & Methodologies
1 57 (66.28%) Software Engineering
2 34 (39.53%) Cross-Platform Development
2 34 (39.53%) Multithreading
2 34 (39.53%) OO
3 7 (8.14%) Network Architecture
4 5 (5.81%) OOP
5 4 (4.65%) Data Security
5 4 (4.65%) Information Security
5 4 (4.65%) Mobile First
5 4 (4.65%) Network Optimisation
5 4 (4.65%) OpenUP
5 4 (4.65%) Radio Network Optimisation
5 4 (4.65%) Service Delivery
5 4 (4.65%) Telematics
6 3 (3.49%) Agile Software Development
6 3 (3.49%) Analytics
6 3 (3.49%) Data Science
6 3 (3.49%) Test Automation
7 2 (2.33%) Configuration Management
7 2 (2.33%) Scrum
Programming Languages
1 38 (44.19%) C++
2 17 (19.77%) Python
3 12 (13.95%) Bash Shell
3 12 (13.95%) C
3 12 (13.95%) Perl
4 7 (8.14%) Embedded C
5 3 (3.49%) SQL
6 2 (2.33%) C#
6 2 (2.33%) Embedded C++
6 2 (2.33%) Java
6 2 (2.33%) MATLAB
6 2 (2.33%) R
6 2 (2.33%) Scala
7 1 (1.16%) Assembly Language
7 1 (1.16%) Shell Script
Qualifications
1 11 (12.79%) Degree
2 5 (5.81%) Security Cleared
3 4 (4.65%) DV Cleared
4 2 (2.33%) Master's Degree
Quality Assurance & Compliance
1 4 (4.65%) MISRA
1 4 (4.65%) MISRA C
2 2 (2.33%) ISO 15765
3 1 (1.16%) ISO 26262
3 1 (1.16%) ISO 9001
3 1 (1.16%) QA
3 1 (1.16%) TickIT
System Software
1 2 (2.33%) Firmware
Systems Management
1 1 (1.16%) NSN NetAct
Vendors
1 48 (55.81%) Cisco
2 4 (4.65%) Actix
2 4 (4.65%) Mapinfo
3 2 (2.33%) Ericsson
3 2 (2.33%) Huawei
3 2 (2.33%) Nokia
3 2 (2.33%) Tableau
4 1 (1.16%) Acme Packet
4 1 (1.16%) EMC
4 1 (1.16%) JDA
4 1 (1.16%) Juniper
4 1 (1.16%) NetScout
4 1 (1.16%) Nokia Networks
4 1 (1.16%) Nortel
4 1 (1.16%) Oracle
4 1 (1.16%) Redknee
4 1 (1.16%) Tekelec