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

Secure Socket Layer (SSL)
London / City of London
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 194 224 238
Rank change year-on-year +30 +14  
Permanent jobs citing SSL 25 46 84
As % of all permanent IT jobs advertised in the City of London 0.49% 0.65% 0.81%
As % of the Communications & Networking category 2.99% 4.43% 4.09%
Number of salaries quoted 21 34 79
Median salary £45,000 £52,500 £55,000
Median salary % change year-on-year -14.28% -4.54%  
90% offered a salary of more than £35,000 £45,000 £38,141
10% offered a salary of more than £85,000 £85,250 £70,200
UK excluding London median salary £46,000 £45,000 £40,000
% change year-on-year +2.22% +12.50%  

SSL 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 the City of London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
City of London
Permanent job vacancies with a requirement for communications and computer networking skills 836 1039 2052
As % of all permanent IT job vacancies advertised in the City of London 16.53% 14.64% 19.71%
Number of salaries quoted 790 909 1720
Median salary £47,500 £52,500 £52,500
Median salary % change year-on-year -9.52% -  
90% offered a salary of more than £27,500 £32,500 £34,600
10% offered a salary of more than £75,000 £70,000 £80,000
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

SSL
Job Vacancy Trend in the City of London

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

Job vacancy trend for SSL in the City of London

SSL
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing SSL in the City of London.

Salary trend for SSL in the City of London

SSL
Salary Histogram in the City of London

The salary distribution of IT jobs citing SSL in the City of London over the 3 months to 27 March 2017.

Salary histogram for SSL in the City of London

SSL
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 27 March 2017, IT jobs citing SSL 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 City of London region with a requirement for SSL.

1 35 (52.24%) Finance
2 31 (46.27%) Firewall
3 26 (38.81%) Unix
4 23 (34.33%) VPN
5 21 (31.34%) Cisco
6 20 (29.85%) Java
7 19 (28.36%) Linux
7 19 (28.36%) Degree
8 18 (26.87%) Cisco Certification
8 18 (26.87%) Palo Alto
9 16 (23.88%) Juniper
9 16 (23.88%) DNS
9 16 (23.88%) CCNP
10 15 (22.39%) Agile Software Development
11 13 (19.40%) CheckPoint
11 13 (19.40%) Perl
11 13 (19.40%) Data Centre
12 12 (17.91%) Cucumber
12 12 (17.91%) SQL
12 12 (17.91%) Selenium
12 12 (17.91%) Test Automation
13 11 (16.42%) Ajax
13 11 (16.42%) SQL Server
13 11 (16.42%) Windows
13 11 (16.42%) Apache
13 11 (16.42%) HTTP
13 11 (16.42%) Red Hat
13 11 (16.42%) REST
14 10 (14.93%) BDD
14 10 (14.93%) ITIL

SSL
Co-occurring IT Skills in the City of 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 11 (16.42%) Apache
2 9 (13.43%) Tomcat
3 7 (10.45%) JBoss
4 4 (5.97%) CMS
4 4 (5.97%) WebLogic
4 4 (5.97%) WebSphere
5 3 (4.48%) Apache ServiceMix
5 3 (4.48%) Drupal
5 3 (4.48%) Exchange Server 2010
5 3 (4.48%) MS Exchange
5 3 (4.48%) nginx
5 3 (4.48%) OpenStack
5 3 (4.48%) SharePoint
6 2 (2.99%) Blackberry Enterprise Server
6 2 (2.99%) Oracle SOA Suite
6 2 (2.99%) SharePoint 2013
7 1 (1.49%) GlassFish
7 1 (1.49%) Jetty
7 1 (1.49%) LiveCycle
7 1 (1.49%) SharePoint 2010
Applications
1 3 (4.48%) MS Excel
2 2 (2.99%) MS Office
3 1 (1.49%) MS PowerPoint
Business Applications
1 2 (2.99%) Eikon
1 2 (2.99%) RMDS
2 1 (1.49%) Dynamics CRM
Cloud Services
1 8 (11.94%) Amazon AWS
2 4 (5.97%) Microsoft Azure
3 2 (2.99%) SaaS
4 1 (1.49%) GitHub
Communications & Networking
1 31 (46.27%) Firewall
2 23 (34.33%) VPN
3 16 (23.88%) DNS
4 11 (16.42%) HTTP
5 10 (14.93%) Network Security
6 9 (13.43%) Cisco Nexus
6 9 (13.43%) Wireless
7 8 (11.94%) TCP/IP
8 6 (8.96%) VoIP
9 5 (7.46%) Cisco ASA
9 5 (7.46%) DHCP
9 5 (7.46%) Kerberos
9 5 (7.46%) SNMP
10 4 (5.97%) HTTPS
10 4 (5.97%) Intrusion Detection
10 4 (5.97%) LAN
10 4 (5.97%) LDAP
10 4 (5.97%) WAN
11 3 (4.48%) IPsec
11 3 (4.48%) SAN
Database & Business Intelligence
1 11 (16.42%) SQL Server
2 7 (10.45%) MySQL
3 3 (4.48%) Oracle Database
3 3 (4.48%) Oracle Database 11g
3 3 (4.48%) SQL Server 2008
4 2 (2.99%) DB2
4 2 (2.99%) SQL Server 2005
5 1 (1.49%) Big Data
5 1 (1.49%) Essbase
5 1 (1.49%) Hadoop
5 1 (1.49%) HBase
5 1 (1.49%) MongoDB
5 1 (1.49%) PostgreSQL
5 1 (1.49%) RDBMS
5 1 (1.49%) Relational Database
5 1 (1.49%) SQL Server Reporting Services
Development Applications
1 12 (17.91%) Cucumber
1 12 (17.91%) Selenium
2 4 (5.97%) Jenkins
2 4 (5.97%) Vagrant
3 3 (4.48%) Git (software)
3 3 (4.48%) Subversion
4 2 (2.99%) Buildbot
4 2 (2.99%) JMeter
5 1 (1.49%) Eclipse
5 1 (1.49%) Fiddler
5 1 (1.49%) Firebug
5 1 (1.49%) Maven
5 1 (1.49%) VSS/SourceSafe
General
1 35 (52.24%) Finance
2 8 (11.94%) Banking
2 8 (11.94%) Legal
3 4 (5.97%) Telecoms
4 2 (2.99%) Back Office
4 2 (2.99%) Front Office
4 2 (2.99%) Investment Banking
4 2 (2.99%) Law
4 2 (2.99%) Marketing
5 1 (1.49%) Financial Institution
5 1 (1.49%) Retail
Job Titles
1 15 (22.39%) Network Engineer
2 7 (10.45%) Developer
3 5 (7.46%) Automation Tester
3 5 (7.46%) Consultant
3 5 (7.46%) Security Engineer
3 5 (7.46%) Test Engineer
3 5 (7.46%) Tester
4 4 (5.97%) Data Engineer
4 4 (5.97%) Infrastructure Engineer
4 4 (5.97%) Market Data Engineer
4 4 (5.97%) Network Infrastructure Engineer
4 4 (5.97%) Network Security Engineer
4 4 (5.97%) Senior Data Engineer
4 4 (5.97%) Senior Market Data Engineer
4 4 (5.97%) Support Engineer
5 3 (4.48%) Administrator
5 3 (4.48%) Applications Support
5 3 (4.48%) Architect
5 3 (4.48%) Senior Network Engineer
5 3 (4.48%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 11 (16.42%) Ajax
1 11 (16.42%) REST
2 10 (14.93%) SOAP
3 9 (13.43%) HTML
4 7 (10.45%) Middleware
4 7 (10.45%) Web Services
5 6 (8.96%) J2EE
6 5 (7.46%) 802.1X
7 4 (5.97%) Guice
8 3 (4.48%) CSS
8 3 (4.48%) Sass
8 3 (4.48%) XML
9 1 (1.49%) IBM Integration Bus
9 1 (1.49%) JMS
9 1 (1.49%) JSON
9 1 (1.49%) JSP
9 1 (1.49%) LAMP
9 1 (1.49%) OLE
9 1 (1.49%) SAML
9 1 (1.49%) WebSphere MQ
Miscellaneous
1 13 (19.40%) Data Centre
2 7 (10.45%) Computer Science
3 6 (8.96%) Clustering
3 6 (8.96%) Fintech
4 5 (7.46%) Analytical Skills
5 2 (2.99%) Blackberry
5 2 (2.99%) Linux Command Line
5 2 (2.99%) Management Information System
5 2 (2.99%) RSA SecurID
6 1 (1.49%) Enterprise Software
6 1 (1.49%) Hedge funds
6 1 (1.49%) N-Tier
Operating Systems
1 26 (38.81%) Unix
2 19 (28.36%) Linux
3 11 (16.42%) Windows
4 10 (14.93%) Red Hat Enterprise Linux
5 5 (7.46%) Windows Server
6 3 (4.48%) Ubuntu
6 3 (4.48%) Windows Server 2012
7 2 (2.99%) Solaris
7 2 (2.99%) Windows Server 2008
8 1 (1.49%) Windows 7
8 1 (1.49%) Windows Server 2003
8 1 (1.49%) Windows Vista
8 1 (1.49%) Windows XP
Processes & Methodologies
1 15 (22.39%) Agile Software Development
2 12 (17.91%) Test Automation
3 10 (14.93%) BDD
3 10 (14.93%) ITIL
4 7 (10.45%) Continuous Improvement
4 7 (10.45%) Low Latency
5 6 (8.96%) Automation Testing
5 6 (8.96%) Continuous Integration
5 6 (8.96%) Mentoring
5 6 (8.96%) Web Testing
6 5 (7.46%) Change Management
6 5 (7.46%) High Availability
6 5 (7.46%) Kalman Filter
6 5 (7.46%) OO
6 5 (7.46%) Root Cause Analysis
7 4 (5.97%) Capacity Management
7 4 (5.97%) Network Management
7 4 (5.97%) SIEM
7 4 (5.97%) SOA
7 4 (5.97%) User Stories
Programming Languages
1 20 (29.85%) Java
2 13 (19.40%) Perl
3 12 (17.91%) SQL
4 7 (10.45%) Python
5 6 (8.96%) C-shell
5 6 (8.96%) Korn
5 6 (8.96%) Shell Script
6 4 (5.97%) JavaScript
7 3 (4.48%) Bash Shell
7 3 (4.48%) Ruby
8 2 (2.99%) PHP
9 1 (1.49%) C
9 1 (1.49%) C#
9 1 (1.49%) C++
9 1 (1.49%) Groovy
9 1 (1.49%) Jython
9 1 (1.49%) PHP 5
9 1 (1.49%) VBScript
Qualifications
1 19 (28.36%) Degree
2 18 (26.87%) Cisco Certification
3 16 (23.88%) CCNP
4 7 (10.45%) CCNA
5 6 (8.96%) Security Cleared
6 4 (5.97%) JNCIA
6 4 (5.97%) SC Cleared
7 2 (2.99%) CCSP
7 2 (2.99%) JNCIE
7 2 (2.99%) JNCIP
Quality Assurance & Compliance
1 8 (11.94%) QA
2 2 (2.99%) ISO/IEC 27001
2 2 (2.99%) SLA
3 1 (1.49%) Sarbanes-Oxley
System Software
1 9 (13.43%) Active Directory
2 5 (7.46%) VMware Infrastructure
3 3 (4.48%) Docker
3 3 (4.48%) KVM
3 3 (4.48%) LXC
3 3 (4.48%) NFS
3 3 (4.48%) Samba
3 3 (4.48%) vCloud
3 3 (4.48%) VirtualBox
4 2 (2.99%) ISA Server
4 2 (2.99%) Veritas Cluster Server
4 2 (2.99%) vSphere
4 2 (2.99%) XenApp
Systems Management
1 6 (8.96%) Cisco CUCM
2 5 (7.46%) Puppet
3 2 (2.99%) Ansible
3 2 (2.99%) EMC NetWorker
3 2 (2.99%) Nessus
3 2 (2.99%) SCCM
4 1 (1.49%) Nagios
4 1 (1.49%) PaperCut
4 1 (1.49%) Red Hat Satellite
4 1 (1.49%) Symantec Endpoint Protection
4 1 (1.49%) Sysprep
4 1 (1.49%) WSUS
Vendors
1 21 (31.34%) Cisco
2 18 (26.87%) Palo Alto
3 16 (23.88%) Juniper
4 13 (19.40%) CheckPoint
5 11 (16.42%) Red Hat
6 10 (14.93%) Microsoft
7 9 (13.43%) VMware
8 8 (11.94%) Oracle
9 6 (8.96%) Solace
10 5 (7.46%) Aruba
11 4 (5.97%) F5
11 4 (5.97%) HP
11 4 (5.97%) Riverbed
11 4 (5.97%) SolarWinds
12 3 (4.48%) Blue Coat
12 3 (4.48%) Citrix
12 3 (4.48%) Infoblox
12 3 (4.48%) Intel Security
12 3 (4.48%) Rackspace
13 2 (2.99%) ProCurve
City, London
Aim Hire Recruitment Ltd
Salary: From £60,000 to £90,000 per annum Excellent benefits and bonuses
Posted: 7 hours ago
City, London
Senitor Associates
Salary: £40000 - £50000 per annum + Great Benefits!
Posted: 5 days ago
City, London
Hudson IT
Salary: £70000 - £80000 per annum + bonus + pension
Posted: 3 days ago