The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for H.323 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited H.323 over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

H.323 (H323)
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 581 618 627
Rank change year-on-year +37 +9  
Permanent jobs citing H.323 21 20 42
As % of all permanent IT jobs advertised in London 0.057% 0.050% 0.095%
As % of the Communications & Networking category 0.36% 0.31% 0.59%
Number of salaries quoted 14 16 21
Median salary £72,500 £70,000 £57,500
Median salary % change year-on-year +3.57% +21.73%  
90% offered a salary of more than £55,000 £53,750 £38,000
10% offered a salary of more than £97,500 £72,500 £62,500
UK excluding London median salary £57,500 £35,000 £55,000
% change year-on-year +64.28% -36.36%  

H.323 is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
London
Permanent job vacancies with a requirement for communications and computer networking skills 5838 6468 7120
As % of all permanent IT job vacancies advertised in London 15.91% 16.14% 16.09%
Number of salaries quoted 4817 5588 6052
Median salary £55,000 £55,000 £50,000
Median salary % change year-on-year - +10.00%  
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £75,000 £75,000 £75,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

H.323
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing H.323 as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for H.323 in London

H.323
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing H.323 in London.

Salary trend for H.323 in London

H.323
Salary Histogram in London

The salary distribution of IT jobs citing H.323 in London over the 3 months to 27 June 2017.

Salary histogram for H.323 in London

For the 6 months to 27 June 2017, IT jobs citing H.323 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 London region with a requirement for H.323.

1 34 (82.93%) Cisco
2 30 (73.17%) VoIP
3 19 (46.34%) WAN
4 18 (43.90%) Cisco Certification
5 17 (41.46%) Avaya
5 17 (41.46%) CCNP
6 16 (39.02%) Firewall
7 15 (36.59%) Ethernet
7 15 (36.59%) TCP/IP
8 12 (29.27%) Microsoft
8 12 (29.27%) Windows
8 12 (29.27%) Linux
8 12 (29.27%) Telecoms
9 11 (26.83%) Video Conferencing
9 11 (26.83%) Data Centre
10 10 (24.39%) Cisco CUCM
10 10 (24.39%) NX-OS
10 10 (24.39%) Finance
10 10 (24.39%) SNMP
10 10 (24.39%) CheckPoint
11 9 (21.95%) SAN
11 9 (21.95%) CCIE
11 9 (21.95%) Migration
11 9 (21.95%) Banking
12 8 (19.51%) Performance Monitoring
12 8 (19.51%) Network Monitoring
12 8 (19.51%) Multicast
12 8 (19.51%) Skype for Business
12 8 (19.51%) Cisco Nexus
12 8 (19.51%) Palo Alto

H.323
Co-occurring IT Skills in London 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 8 (19.51%) Skype for Business
2 6 (14.63%) Exchange Server 2010
2 6 (14.63%) MS Exchange
3 4 (9.76%) Exchange Server 2007
3 4 (9.76%) Exchange Server 2013
4 3 (7.32%) IIS
Cloud Services
1 3 (7.32%) Amazon AWS
2 2 (4.88%) Microsoft Azure
Communications & Networking
1 30 (73.17%) VoIP
2 19 (46.34%) WAN
3 16 (39.02%) Firewall
4 15 (36.59%) Ethernet
4 15 (36.59%) TCP/IP
5 10 (24.39%) NX-OS
5 10 (24.39%) SNMP
6 9 (21.95%) SAN
7 8 (19.51%) Cisco Nexus
7 8 (19.51%) DNS
7 8 (19.51%) LAN
7 8 (19.51%) Multicast
8 7 (17.07%) Unified Communications
9 6 (14.63%) Network Security
9 6 (14.63%) VPN
10 5 (12.20%) MGCP
10 5 (12.20%) SCCP
10 5 (12.20%) Skype
10 5 (12.20%) Telepresence
11 4 (9.76%) MPLS
Database & Business Intelligence
1 4 (9.76%) SQL Server
2 2 (4.88%) Amazon RDS
2 2 (4.88%) SQL Server 2005
3 1 (2.44%) SQL Server 2008
3 1 (2.44%) SQL Server 2012
Development Applications
1 3 (7.32%) Git (software)
General
1 12 (29.27%) Telecoms
2 10 (24.39%) Finance
3 9 (21.95%) Banking
4 8 (19.51%) Financial Institution
5 4 (9.76%) Legal
6 3 (7.32%) Investment Banking
7 2 (4.88%) Publishing
8 1 (2.44%) Advertising
8 1 (2.44%) Games
8 1 (2.44%) Marketing
Job Titles
1 16 (39.02%) Network Engineer
2 9 (21.95%) Voice Engineer
3 8 (19.51%) Cisco Engineer
4 6 (14.63%) Cisco Network Engineer
5 5 (12.20%) Cisco Voice Engineer
6 4 (9.76%) Administrator
6 4 (9.76%) Support Engineer
6 4 (9.76%) Technical Engineer
6 4 (9.76%) Unified Communications Engineer
6 4 (9.76%) Voice Network Engineer
7 3 (7.32%) Analyst
7 3 (7.32%) Infrastructure Analyst
7 3 (7.32%) Infrastructure Support
7 3 (7.32%) Infrastructure Support Analyst
7 3 (7.32%) LAN Engineer
7 3 (7.32%) LAN/WAN Engineer
7 3 (7.32%) Senior Voice Engineer
7 3 (7.32%) Support Analyst
7 3 (7.32%) VoIP Engineer
7 3 (7.32%) WAN Engineer
Libraries, Frameworks & Software Standards
1 6 (14.63%) XMPP
2 5 (12.20%) 802.1X
3 3 (7.32%) FreeSWITCH
Miscellaneous
1 11 (26.83%) Data Centre
1 11 (26.83%) Video Conferencing
2 5 (12.20%) IVR
3 2 (4.88%) Analytical Skills
4 1 (2.44%) Computer Science
4 1 (2.44%) Hedge funds
4 1 (2.44%) Mobile App
4 1 (2.44%) Spread Betting
4 1 (2.44%) Streaming Video
Operating Systems
1 12 (29.27%) Linux
1 12 (29.27%) Windows
2 8 (19.51%) Unix
3 5 (12.20%) Windows Server 2012
4 4 (9.76%) Windows Server
5 2 (4.88%) Mac OS
6 1 (2.44%) Windows Server 2003
6 1 (2.44%) Windows Server 2008
6 1 (2.44%) Windows XP
Processes & Methodologies
1 9 (21.95%) Migration
2 8 (19.51%) Network Load Balancing
2 8 (19.51%) Network Monitoring
2 8 (19.51%) Performance Monitoring
3 7 (17.07%) ITIL
4 5 (12.20%) Data Protection
4 5 (12.20%) Information Security
5 4 (9.76%) Coaching
5 4 (9.76%) Disaster Recovery
6 3 (7.32%) A/B Testing
6 3 (7.32%) BCP
6 3 (7.32%) Capacity Planning
6 3 (7.32%) DevOps
6 3 (7.32%) Logistics
6 3 (7.32%) Open Source
6 3 (7.32%) Performance Analysis
6 3 (7.32%) Project Management
6 3 (7.32%) Test Automation
7 2 (4.88%) Continuous Integration
7 2 (4.88%) Mobile Device Management
Programming Languages
1 2 (4.88%) C#
1 2 (4.88%) Java
1 2 (4.88%) PHP
1 2 (4.88%) PowerShell
1 2 (4.88%) Python
2 1 (2.44%) SQL
Qualifications
1 18 (43.90%) Cisco Certification
2 17 (41.46%) CCNP
3 9 (21.95%) CCIE
4 8 (19.51%) CCDP
5 4 (9.76%) CCNP Voice
6 3 (7.32%) CCVP
7 2 (4.88%) CCNA
8 1 (2.44%) Computer Science Degree
8 1 (2.44%) Degree
System Software
1 7 (17.07%) Active Directory
1 7 (17.07%) VMware Infrastructure
2 2 (4.88%) NFS
3 1 (2.44%) Docker
3 1 (2.44%) XenApp
Systems Management
1 10 (24.39%) Cisco CUCM
2 2 (4.88%) Cisco UCCX
2 2 (4.88%) WMI
3 1 (2.44%) Cisco IPCC
3 1 (2.44%) Kubernetes
3 1 (2.44%) OpenView
3 1 (2.44%) Prometheus
3 1 (2.44%) XenMobile
Vendors
1 34 (82.93%) Cisco
2 17 (41.46%) Avaya
3 12 (29.27%) Microsoft
4 10 (24.39%) CheckPoint
5 8 (19.51%) Palo Alto
6 7 (17.07%) VMware
7 5 (12.20%) Juniper
7 5 (12.20%) Verint
8 4 (9.76%) HP
8 4 (9.76%) Polycom
9 3 (7.32%) Citrix
9 3 (7.32%) Etrali
9 3 (7.32%) Red Box
9 3 (7.32%) Speakerbus
9 3 (7.32%) Tandberg
10 2 (4.88%) Fortinet
10 2 (4.88%) IronPort
10 2 (4.88%) Mitel
10 2 (4.88%) SolarWinds
10 2 (4.88%) Zeacom
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