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 22 June 2017 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
London / City of London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 220 232 275
Rank change year-on-year +12 +43  
Permanent jobs citing SSL 17 27 43
As % of all permanent IT jobs advertised in the City of London 0.33% 0.42% 0.41%
As % of the Communications & Networking category 2.01% 2.56% 2.77%
Number of salaries quoted 14 17 37
Median salary £53,750 £50,000 £57,500
Median salary % change year-on-year +7.50% -13.04%  
90% offered a salary of more than £40,500 £39,000 £35,906
10% offered a salary of more than £82,000 £67,000 £74,100
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

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 847 1053 1552
As % of all permanent IT job vacancies advertised in the City of London 16.31% 16.51% 14.94%
Number of salaries quoted 745 919 1343
Median salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76%  
90% offered a salary of more than £30,000 £33,000 £32,500
10% offered a salary of more than £75,000 £75,000 £71,000
UK excluding London median salary £42,500 £42,500 £42,500

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 22 June 2017.

Salary histogram for SSL in the City of London

For the 6 months to 22 June 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 28 (65.12%) Firewall
2 25 (58.14%) Finance
3 23 (53.49%) VPN
4 19 (44.19%) Cisco
4 19 (44.19%) Juniper
5 18 (41.86%) Palo Alto
6 17 (39.53%) Cisco Certification
6 17 (39.53%) DNS
7 16 (37.21%) CCNP
8 15 (34.88%) Linux
8 15 (34.88%) Data Centre
9 13 (30.23%) Unix
10 12 (27.91%) Cisco Nexus
11 11 (25.58%) Apache
12 10 (23.26%) CCNA
12 10 (23.26%) HTTP
12 10 (23.26%) VMware
12 10 (23.26%) CheckPoint
13 9 (20.93%) LAN
13 9 (20.93%) WAN
13 9 (20.93%) Tomcat
14 8 (18.60%) ITIL
14 8 (18.60%) SQL
14 8 (18.60%) VoIP
14 8 (18.60%) Wireless
14 8 (18.60%) Network Security
14 8 (18.60%) VMware Infrastructure
14 8 (18.60%) Cisco CUCM
15 7 (16.28%) Ruby
15 7 (16.28%) Red Hat

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 (25.58%) Apache
2 9 (20.93%) Tomcat
3 5 (11.63%) CMS
3 5 (11.63%) Drupal
3 5 (11.63%) nginx
4 4 (9.30%) MS Exchange
5 3 (6.98%) JBoss
5 3 (6.98%) OpenStack
5 3 (6.98%) WebLogic
6 2 (4.65%) Apache ServiceMix
6 2 (4.65%) Exchange Server 2010
7 1 (2.33%) Apache Qpid
7 1 (2.33%) Apache Solr
7 1 (2.33%) Blackberry Enterprise Server
7 1 (2.33%) GlassFish
7 1 (2.33%) Jetty
7 1 (2.33%) LiveCycle
7 1 (2.33%) SharePoint
7 1 (2.33%) Skype for Business
Applications
1 2 (4.65%) Microsoft Office
2 1 (2.33%) Microsoft Excel
2 1 (2.33%) Microsoft PowerPoint
Cloud Services
1 6 (13.95%) Amazon AWS
2 4 (9.30%) Microsoft Azure
3 3 (6.98%) SaaS
4 2 (4.65%) Cloud Computing
4 2 (4.65%) Office 365
4 2 (4.65%) PaaS
5 1 (2.33%) GitHub
Communications & Networking
1 28 (65.12%) Firewall
2 23 (53.49%) VPN
3 17 (39.53%) DNS
4 12 (27.91%) Cisco Nexus
5 10 (23.26%) HTTP
6 9 (20.93%) LAN
6 9 (20.93%) WAN
7 8 (18.60%) Network Security
7 8 (18.60%) VoIP
7 8 (18.60%) Wireless
8 7 (16.28%) DHCP
8 7 (16.28%) TCP/IP
9 6 (13.95%) HTTPS
10 5 (11.63%) IPsec
11 4 (9.30%) Internet
11 4 (9.30%) Kerberos
11 4 (9.30%) TACACS
12 3 (6.98%) LDAP
12 3 (6.98%) SAN
12 3 (6.98%) SNMP
Database & Business Intelligence
1 6 (13.95%) SQL Server
2 5 (11.63%) MySQL
2 5 (11.63%) Oracle Database
2 5 (11.63%) Oracle Database 11g
3 2 (4.65%) Big Data
3 2 (4.65%) Hadoop
3 2 (4.65%) HBase
4 1 (2.33%) Apache Hive
4 1 (2.33%) MongoDB
Development Applications
1 5 (11.63%) Jenkins
1 5 (11.63%) Selenium
2 4 (9.30%) Vagrant
3 3 (6.98%) Cucumber
3 3 (6.98%) Maven
3 3 (6.98%) VSS/SourceSafe
4 2 (4.65%) Bower
4 2 (4.65%) Git (software)
4 2 (4.65%) Grunt
4 2 (4.65%) gulp
4 2 (4.65%) Jasmine
4 2 (4.65%) JMeter
4 2 (4.65%) JSHint
4 2 (4.65%) Karma Test Runner
4 2 (4.65%) Protractor
4 2 (4.65%) QUnit
4 2 (4.65%) Subversion
4 2 (4.65%) webpack
5 1 (2.33%) Eclipse
5 1 (2.33%) Sonatype Nexus
General
1 25 (58.14%) Finance
2 6 (13.95%) Banking
3 3 (6.98%) Legal
3 3 (6.98%) Telecoms
4 2 (4.65%) Back Office
4 2 (4.65%) Front Office
4 2 (4.65%) Marketing
Job Titles
1 14 (32.56%) Network Engineer
2 7 (16.28%) Infrastructure Engineer
3 6 (13.95%) Senior Network Engineer
4 5 (11.63%) Administrator
4 5 (11.63%) Network Infrastructure Engineer
4 5 (11.63%) Unix Administrator
4 5 (11.63%) Unix Systems Administrator
5 4 (9.30%) Systems Administrator
6 3 (6.98%) Analyst
6 3 (6.98%) Architect
6 3 (6.98%) Developer
6 3 (6.98%) Network Analyst
6 3 (6.98%) Network Security Engineer
6 3 (6.98%) Security Engineer
6 3 (6.98%) Team Leader
7 2 (4.65%) Applications Support Engineer
7 2 (4.65%) Cisco Engineer
7 2 (4.65%) IT Architect
7 2 (4.65%) Linux Systems Administrator
7 2 (4.65%) Web Administrator
Libraries, Frameworks & Software Standards
1 5 (11.63%) Sass
1 5 (11.63%) Web Services
2 4 (9.30%) REST
3 3 (6.98%) Ajax
3 3 (6.98%) AngularJS
3 3 (6.98%) CSS
3 3 (6.98%) HTML
3 3 (6.98%) J2EE
4 2 (4.65%) 802.1X
4 2 (4.65%) Backbone.js
4 2 (4.65%) Compass CSS Framework
4 2 (4.65%) CSS3
4 2 (4.65%) DOM
4 2 (4.65%) Ember.js
4 2 (4.65%) HTML5
4 2 (4.65%) JSLint
4 2 (4.65%) JSON
4 2 (4.65%) Kafka
4 2 (4.65%) LESS
5 1 (2.33%) RabbitMQ
Miscellaneous
1 15 (34.88%) Data Centre
2 5 (11.63%) Clustering
3 4 (9.30%) Management Information System
4 3 (6.98%) Computer Science
5 2 (4.65%) Graphic Design
5 2 (4.65%) Public Cloud
5 2 (4.65%) Security Operations Centre
5 2 (4.65%) Taxonomies
6 1 (2.33%) Blackberry
6 1 (2.33%) Eurex
6 1 (2.33%) RSA SecurID
6 1 (2.33%) Smartphone
Operating Systems
1 15 (34.88%) Linux
2 13 (30.23%) Unix
3 6 (13.95%) Red Hat Enterprise Linux
3 6 (13.95%) Windows
4 5 (11.63%) Ubuntu
5 4 (9.30%) Windows Server
6 2 (4.65%) Solaris
7 1 (2.33%) Android
7 1 (2.33%) Windows 10
7 1 (2.33%) Windows 7
Processes & Methodologies
1 8 (18.60%) ITIL
2 6 (13.95%) Change Management
2 6 (13.95%) DevOps
2 6 (13.95%) High Availability
2 6 (13.95%) Validation
3 5 (11.63%) Content Management
3 5 (11.63%) Network Design
3 5 (11.63%) Network Management
4 4 (9.30%) Capacity Management
5 3 (6.98%) Continuous Integration
5 3 (6.98%) Project Management
5 3 (6.98%) SIEM
5 3 (6.98%) Test Automation
6 2 (4.65%) Business Continuity
6 2 (4.65%) Configuration Management
6 2 (4.65%) Information Security
6 2 (4.65%) MVC
6 2 (4.65%) Risk Management
6 2 (4.65%) Service Delivery
6 2 (4.65%) Web Design
Programming Languages
1 8 (18.60%) SQL
2 7 (16.28%) Java
2 7 (16.28%) Perl
2 7 (16.28%) Python
2 7 (16.28%) Ruby
3 6 (13.95%) Bash Shell
4 5 (11.63%) Shell Script
5 4 (9.30%) JavaScript
6 2 (4.65%) T-SQL
7 1 (2.33%) C#
7 1 (2.33%) C++
7 1 (2.33%) PHP
7 1 (2.33%) PHP 5
7 1 (2.33%) PowerShell
Qualifications
1 17 (39.53%) Cisco Certification
2 16 (37.21%) CCNP
3 10 (23.26%) CCNA
4 6 (13.95%) Degree
5 5 (11.63%) JNCIA
6 3 (6.98%) Computer Science Degree
6 3 (6.98%) SC Cleared
6 3 (6.98%) Security Cleared
7 2 (4.65%) CCIE
7 2 (4.65%) Master's Degree
8 1 (2.33%) CCIE Routing and Switching
8 1 (2.33%) CCIE Service Provider
8 1 (2.33%) CCSP
8 1 (2.33%) CCVP
Quality Assurance & Compliance
1 2 (4.65%) QA
System Software
1 8 (18.60%) VMware Infrastructure
2 5 (11.63%) Active Directory
2 5 (11.63%) Samba
3 3 (6.98%) Docker
3 3 (6.98%) KVM
3 3 (6.98%) LXC
3 3 (6.98%) NFS
3 3 (6.98%) vCloud
3 3 (6.98%) VirtualBox
4 2 (4.65%) Veritas Cluster Server
4 2 (4.65%) VMware Workstation
5 1 (2.33%) Apache Flume
5 1 (2.33%) HDFS
5 1 (2.33%) ProxySG
5 1 (2.33%) Snort
5 1 (2.33%) XenApp
Systems Management
1 8 (18.60%) Cisco CUCM
2 5 (11.63%) Puppet
3 3 (6.98%) Ansible
4 2 (4.65%) EMC NetWorker
5 1 (2.33%) Cacti
5 1 (2.33%) Capistrano
5 1 (2.33%) Cisco Prime
5 1 (2.33%) Oozie
5 1 (2.33%) Opscode Chef
5 1 (2.33%) Symantec Enterprise Vault
5 1 (2.33%) TrustSec
5 1 (2.33%) WSUS
Vendors
1 19 (44.19%) Cisco
1 19 (44.19%) Juniper
2 18 (41.86%) Palo Alto
3 10 (23.26%) CheckPoint
3 10 (23.26%) VMware
4 7 (16.28%) Oracle
4 7 (16.28%) Red Hat
5 6 (13.95%) SolarWinds
6 5 (11.63%) Aruba
6 5 (11.63%) F5
7 4 (9.30%) Microsoft
7 4 (9.30%) Riverbed
8 3 (6.98%) Avaya
8 3 (6.98%) Blue Coat
8 3 (6.98%) Citrix
8 3 (6.98%) HP
8 3 (6.98%) Infoblox
8 3 (6.98%) McAfee
8 3 (6.98%) Rackspace
9 2 (4.65%) FireEye
City, London
Alpha IT Resourcing
Salary: From £65,000 to £70,000 per annum
Posted: 20 hours ago
City, London
Quant Capital
Salary: Up to £45,000 per annum
Posted: 6 days ago
City, London
Big Wednesday Digital Ltd
Salary: £65000 - £95000 per annum + Negotiable
Posted: 4 days ago
City, London
Martin & Conley
Posted: 6 days ago
City, London
ComputAppoint
Salary: £80000 - £100000 per annum
Posted: 6 days ago