Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for VoIP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited VoIP over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

Voice Over IP (VoIP)
South London > Croydon
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 33 39 35
Rank change year-on-year +6 -4 +16
Permanent jobs citing VoIP 20 22 28
As % of all permanent IT jobs advertised in Croydon 5.70% 5.00% 7.18%
As % of the Communications & Networking category 23.26% 15.49% 35.00%
Number of salaries quoted 15 22 23
Croydon median annual salary £52,500 £33,750 £40,000
Median salary % change year-on-year +55.56% -15.63% -
10th Percentile £31,100 £21,625 £25,750
90th Percentile £56,000 £48,750 £54,750
South London median annual salary £47,500 £33,000 £45,000
% change year-on-year +43.94% -26.67% +20.00%

VoIP 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 advertised in Croydon with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Croydon
Permanent vacancies with a requirement for communications or computer networking skills 86 142 80
As % of all permanent IT jobs advertised in Croydon 24.50% 32.27% 20.51%
Number of salaries quoted 75 138 65
Croydon median annual salary £37,000 £44,500 £45,000
Median salary % change year-on-year -16.85% -1.11% -
10th Percentile £22,900 £24,500 £24,250
90th Percentile £62,250 £58,000 £59,000
South London median annual salary £40,000 £45,000 £42,500
% change year-on-year -11.11% +5.88% +6.25%

VoIP
Job Vacancy Trend in Croydon

Job postings citing VoIP as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for VoIP in Croydon

VoIP
Salary Trend in Croydon

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

Salary trend for VoIP in Croydon

VoIP
Salary Histogram in Croydon

The salary distribution of IT jobs citing VoIP in Croydon over the 6 months to 18 November 2017.

Salary histogram for VoIP in Croydon

For the 6 months to 18 November 2017, IT jobs citing VoIP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Croydon region with a requirement for VoIP.

1 12 (60.00%) Unified Communications
2 11 (55.00%) WAN
2 11 (55.00%) Firewall
3 10 (50.00%) LAN
4 9 (45.00%) VPN
4 9 (45.00%) Cisco
5 8 (40.00%) DNS
5 8 (40.00%) CCNP
5 8 (40.00%) Cisco Certification
5 8 (40.00%) FortiGate
6 7 (35.00%) Network Security
6 7 (35.00%) CheckPoint
6 7 (35.00%) TCP/IP
6 7 (35.00%) DHCP
6 7 (35.00%) Telecoms
7 6 (30.00%) Microsoft
7 6 (30.00%) MPLS
7 6 (30.00%) Citrix
7 6 (30.00%) CCNA
8 5 (25.00%) ITIL
8 5 (25.00%) Windows
8 5 (25.00%) SonicWALL
8 5 (25.00%) IPsec
8 5 (25.00%) SaaS
8 5 (25.00%) ITIL V3
8 5 (25.00%) Performance Monitoring
8 5 (25.00%) Skype
8 5 (25.00%) Data Centre
9 4 (20.00%) Cisco ASA
9 4 (20.00%) BGP

VoIP
Co-occurring IT Skills in Croydon 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 (5.00%) MS Exchange
Applications
1 1 (5.00%) Microsoft Office
Cloud Services
1 5 (25.00%) SaaS
Communications & Networking
1 12 (60.00%) Unified Communications
2 11 (55.00%) Firewall
2 11 (55.00%) WAN
3 10 (50.00%) LAN
4 9 (45.00%) VPN
5 8 (40.00%) DNS
6 7 (35.00%) DHCP
6 7 (35.00%) Network Security
6 7 (35.00%) TCP/IP
7 6 (30.00%) MPLS
8 5 (25.00%) IPsec
8 5 (25.00%) Skype
9 4 (20.00%) BGP
9 4 (20.00%) Cisco ASA
9 4 (20.00%) EIGRP
9 4 (20.00%) OSPF
10 3 (15.00%) NetScreen
11 1 (5.00%) Cisco Nexus
11 1 (5.00%) FabricPath
11 1 (5.00%) Remote Desktop
Database & Business Intelligence
1 1 (5.00%) SQL Server
1 1 (5.00%) SQL Server 2012
General
1 7 (35.00%) Telecoms
2 1 (5.00%) Banking
2 1 (5.00%) Finance
Job Titles
1 9 (45.00%) Network Engineer
2 6 (30.00%) Analyst
3 5 (25.00%) Senior Network Engineer
4 4 (20.00%) Sales Engineer
5 3 (15.00%) 3rd Line Engineer
5 3 (15.00%) Business Analyst
5 3 (15.00%) Business Systems Analyst
5 3 (15.00%) SDLC Business Analyst
5 3 (15.00%) Systems Analyst
5 3 (15.00%) Telecoms Analyst
5 3 (15.00%) Telecoms Business Analyst
6 2 (10.00%) 3rd Line Network Engineer
7 1 (5.00%) IT Support
7 1 (5.00%) IT Support Analyst
7 1 (5.00%) Operations Analyst
7 1 (5.00%) Operations Engineer
7 1 (5.00%) Security Analyst
7 1 (5.00%) Service Analyst
7 1 (5.00%) Support Analyst
7 1 (5.00%) Team Leader
Libraries, Frameworks & Software Standards
1 3 (15.00%) REST
2 1 (5.00%) FreeSWITCH
Miscellaneous
1 5 (25.00%) Data Centre
2 1 (5.00%) Analytical Skills
2 1 (5.00%) Clustering
2 1 (5.00%) Fat Client
2 1 (5.00%) Replication
2 1 (5.00%) Social Media
2 1 (5.00%) Thin Client
Operating Systems
1 5 (25.00%) Windows
2 1 (5.00%) Apple iOS
2 1 (5.00%) CentOS
2 1 (5.00%) CoreOS
2 1 (5.00%) Linux
2 1 (5.00%) Mac OS
2 1 (5.00%) Windows 7
2 1 (5.00%) Windows Server
2 1 (5.00%) Windows Server 2008
2 1 (5.00%) Windows Server 2012
Processes & Methodologies
1 5 (25.00%) ITIL
1 5 (25.00%) ITIL V3
1 5 (25.00%) Performance Monitoring
2 4 (20.00%) CRM
3 3 (15.00%) Agile Software Development
3 3 (15.00%) Enterprise Architecture
3 3 (15.00%) SDLC
3 3 (15.00%) Security Operations
3 3 (15.00%) SOA
3 3 (15.00%) UML
3 3 (15.00%) User Stories
4 2 (10.00%) Benchmarking
4 2 (10.00%) Change Control
4 2 (10.00%) Configuration Management
5 1 (5.00%) Kalman Filter
5 1 (5.00%) Network Design
5 1 (5.00%) People Management
Programming Languages
1 1 (5.00%) Bash Shell
Qualifications
1 8 (40.00%) CCNP
1 8 (40.00%) Cisco Certification
2 6 (30.00%) CCNA
3 3 (15.00%) ISEB
4 1 (5.00%) CCDP
4 1 (5.00%) CCSA
4 1 (5.00%) CCSE
4 1 (5.00%) Degree
4 1 (5.00%) JNCIP
4 1 (5.00%) JNCIS
Quality Assurance & Compliance
1 1 (5.00%) ISO/IEC 27001
System Software
1 1 (5.00%) Active Directory
1 1 (5.00%) Docker
1 1 (5.00%) Hyper-V
1 1 (5.00%) OpenSIPS
1 1 (5.00%) Xen
Systems Management
1 8 (40.00%) FortiGate
2 1 (5.00%) HAProxy
2 1 (5.00%) Nagios
Vendors
1 9 (45.00%) Cisco
2 7 (35.00%) CheckPoint
3 6 (30.00%) Citrix
3 6 (30.00%) Microsoft
4 5 (25.00%) SonicWALL
5 4 (20.00%) Juniper
5 4 (20.00%) Salesforce.com
6 3 (15.00%) WatchGuard
7 1 (5.00%) F5
7 1 (5.00%) Fortinet
7 1 (5.00%) HP
7 1 (5.00%) Meraki
7 1 (5.00%) Riverbed
7 1 (5.00%) SolarWinds