Period
to 16 July 2018

The following table provides summary statistics for permanent job vacancies with a requirement for FreeSWITCH skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited FreeSWITCH over the 6 months to 16 July 2018 with a comparison to the same period in the previous 2 years.

FreeSWITCH
UK
6 months to
16 Jul 2018
Same period 2017 Same period 2016
Rank 1175 1174 1246
Rank change year-on-year -1 +72 +65
Permanent jobs citing FreeSWITCH 8 19 32
As % of all permanent IT jobs advertised in the UK 0.005% 0.011% 0.016%
As % of the Libraries, Frameworks & Software Standards category 0.011% 0.026% 0.040%
Number of salaries quoted 10 15 30
UK median annual salary £40,000 £40,000 £38,750
Median salary % change year-on-year - +3.23% -6.63%
10th Percentile £27,500 £27,500 £31,750
90th Percentile £68,750 £63,750 £70,750
UK excluding London median annual salary £30,000 £40,000 £35,000
% change year-on-year -25.00% +14.29% -15.66%

FreeSWITCH is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 71,459 72,134 79,320
As % of all permanent IT jobs advertised in the UK 40.60% 40.63% 39.00%
Number of salaries quoted 59,524 60,599 68,614
UK median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £31,250 £28,750 £28,750
90th Percentile £80,000 £77,500 £75,000
UK excluding London median annual salary £45,000 £42,500 £41,500
% change year-on-year +5.88% +2.41% +3.75%

FreeSWITCH
Job Vacancy Trend

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

Job vacancy trend for FreeSWITCH in the UK

FreeSWITCH
Salary Trend

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

Salary trend for FreeSWITCH in the UK

FreeSWITCH
Salary Histogram

The salary distribution of IT jobs citing FreeSWITCH over the 6 months to 16 July 2018.

Salary histogram for FreeSWITCH in the UK

FreeSWITCH
Top 9 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing FreeSWITCH within the UK over the 6 months to 16 July 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
UK excluding London +19 6 £30,000 -25.00% 2
Scotland - 5 £30,000 -
England -2 3 £50,000 +25.00% 6
London -9 2 £67,500 +38.46% 4
North of England +21 1 £50,000 +25.00%
Yorkshire - 1 £50,000 -
Midlands - 1 £50,000 -
South East - 1 £50,000 -
West Midlands - 1 £50,000 -

For the 6 months to 16 July 2018, IT jobs citing FreeSWITCH 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 FreeSWITCH.

1 8 (100.00%) Linux
1 8 (100.00%) VoIP
2 7 (87.50%) Debian
2 7 (87.50%) Subversion
2 7 (87.50%) Ubuntu
2 7 (87.50%) VLAN
2 7 (87.50%) Git (software)
2 7 (87.50%) Postfix
3 6 (75.00%) Asterisk PBX
4 5 (62.50%) Open Source
4 5 (62.50%) Dovecot
4 5 (62.50%) VirtualBox
4 5 (62.50%) QEMU
4 5 (62.50%) Network Security
4 5 (62.50%) Security Cleared
4 5 (62.50%) Xen
4 5 (62.50%) Wireshark
4 5 (62.50%) Robotics
4 5 (62.50%) Software Engineering
4 5 (62.50%) LAMP
4 5 (62.50%) Microsoft
4 5 (62.50%) H.323
4 5 (62.50%) Firewall
4 5 (62.50%) Windows
4 5 (62.50%) PBX
4 5 (62.50%) Ethernet
4 5 (62.50%) Kerberos
4 5 (62.50%) TCP/IP
4 5 (62.50%) Software Delivery
4 5 (62.50%) 802.1X

FreeSWITCH
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 2 (25.00%) Confluence
1 2 (25.00%) nginx
1 2 (25.00%) uWSGI
Communications & Networking
1 8 (100.00%) VoIP
2 7 (87.50%) VLAN
3 6 (75.00%) Asterisk PBX
4 5 (62.50%) Ethernet
4 5 (62.50%) Firewall
4 5 (62.50%) H.323
4 5 (62.50%) Kerberos
4 5 (62.50%) Network Security
4 5 (62.50%) PBX
4 5 (62.50%) TCP/IP
4 5 (62.50%) Wireshark
5 3 (37.50%) DNS
6 2 (25.00%) BGP
6 2 (25.00%) Cisco ASA
6 2 (25.00%) Cisco IOS
6 2 (25.00%) HTTP
6 2 (25.00%) SMTP
6 2 (25.00%) SNMP
6 2 (25.00%) SSL
7 1 (12.50%) VoLTE
Database & Business Intelligence
1 2 (25.00%) MariaDB
1 2 (25.00%) MySQL
Development Applications
1 7 (87.50%) Git (software)
1 7 (87.50%) Subversion
2 5 (62.50%) Phabricator
3 2 (25.00%) JIRA
General
1 3 (37.50%) Telecoms
Job Titles
1 5 (62.50%) Infrastructure Engineer
1 5 (62.50%) IT Engineer
1 5 (62.50%) IT Infrastructure Engineer
2 3 (37.50%) Systems Engineer
3 2 (25.00%) DevOps Engineer
3 2 (25.00%) DevOps Systems Engineer
3 2 (25.00%) Linux DevOps Engineer
3 2 (25.00%) Linux Engineer
3 2 (25.00%) Linux Systems Engineer
3 2 (25.00%) Linux/Unix DevOps
3 2 (25.00%) Senior DevOps
3 2 (25.00%) Senior DevOps Engineer
3 2 (25.00%) Senior Linux Engineer
3 2 (25.00%) Senior Linux Systems Engineer
3 2 (25.00%) Senior Systems Engineer
4 1 (12.50%) VoIP Engineer
Libraries, Frameworks & Software Standards
1 5 (62.50%) 802.1X
1 5 (62.50%) LAMP
2 2 (25.00%) Django
2 2 (25.00%) LEMP Stack
2 2 (25.00%) PHP-FPM
2 2 (25.00%) WSGI
Miscellaneous
1 5 (62.50%) Robotics
2 2 (25.00%) Linux Command Line
2 2 (25.00%) Private Cloud
2 2 (25.00%) Replication
2 2 (25.00%) Wiki
Operating Systems
1 8 (100.00%) Linux
2 7 (87.50%) Debian
2 7 (87.50%) Ubuntu
3 5 (62.50%) Windows
Processes & Methodologies
1 5 (62.50%) Open Source
1 5 (62.50%) Software Delivery
1 5 (62.50%) Software Engineering
2 2 (25.00%) BCP
2 2 (25.00%) Configuration Management
2 2 (25.00%) DevOps
2 2 (25.00%) Release Management
Programming Languages
1 2 (25.00%) Bash Shell
1 2 (25.00%) Perl
1 2 (25.00%) PHP
1 2 (25.00%) Python
Qualifications
1 5 (62.50%) Security Cleared
System Software
1 7 (87.50%) Postfix
2 5 (62.50%) Dovecot
2 5 (62.50%) iptables
2 5 (62.50%) QEMU
2 5 (62.50%) VirtualBox
2 5 (62.50%) Xen
3 2 (25.00%) BIND 9
3 2 (25.00%) Kamailio
3 2 (25.00%) VMware ESXi
3 2 (25.00%) VMware Infrastructure
Systems Management
1 5 (62.50%) Proxmox
2 2 (25.00%) Cacti
2 2 (25.00%) HAProxy
2 2 (25.00%) Munin
2 2 (25.00%) Nagios
2 2 (25.00%) Puppet
Vendors
1 5 (62.50%) Microsoft
2 2 (25.00%) Cisco
2 2 (25.00%) Dell
2 2 (25.00%) VMware
3 1 (12.50%) Acme Packet
3 1 (12.50%) BroadSoft
3 1 (12.50%) GENBAND
3 1 (12.50%) Sonus