The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for SSL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SSL over the 3 months to 24 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Secure Socket Layer (SSL)
London / City of London
Rank 129 141 147
Rank change year-on-year +12 +6  
Contract jobs citing SSL 24 17 42
As % of all contract IT jobs advertised in the City of London 0.79% 0.52% 0.83%
As % of the Communications & Networking category 6.94% 4.46% 6.14%
Number of daily rates quoted 20 14 31
Median daily rate £475 £413 £450
Median daily rate % change year-on-year +15.15% -8.33%  
90% offered a daily rate of more than £240 £313 £310
10% offered a daily rate of more than £578 £525 £600
UK excluding London median daily rate £450 £400 £376
% change year-on-year +12.50% +6.31%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £15.25 £42.50 £17.11
% change year-on-year -64.11% +148.39%  

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 contract job vacancies advertised in the City of London with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
City of London
Contract job vacancies with a requirement for communications and computer networking skills 346 381 684
As % of all contract IT job vacancies advertised in the City of London 11.41% 11.57% 13.55%
Number of daily rates quoted 259 281 503
Median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25%  
90% offered a daily rate of more than £200 £275 £238
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £375 £363 £347
% change year-on-year +3.44% +4.32%  
Number of hourly rates quoted 11 11 12
Median hourly rate £19.00 £26.00 £18.70
Median hourly rate % change year-on-year -26.92% +39.03%  
90% offered a hourly rate of more than £13.70 £19.00 £13.46
10% offered a hourly rate of more than £27.73 £30.00 £40.00
UK excluding London median hourly rate £22.50 £37.00 £29.00
% change year-on-year -39.18% +27.58%  

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 contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for SSL in the City of London

SSL
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing SSL in the City of London.

Contractor daily rate trend for SSL in the City of London

SSL
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing SSL in the City of London over the 3 months to 24 March 2017.

Contractor daily rate histogram for SSL in the City of London

SSL
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for SSL in the City of London

SSL
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 2017, IT contractor jobs citing SSL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for SSL.

1 23 (38.98%) HTTP
2 22 (37.29%) DNS
2 22 (37.29%) Linux
3 19 (32.20%) Firewall
4 17 (28.81%) Java
4 17 (28.81%) Finance
5 16 (27.12%) TCP/IP
6 13 (22.03%) VPN
6 13 (22.03%) Cisco
6 13 (22.03%) JavaScript
7 12 (20.34%) HTML
8 11 (18.64%) CSS
8 11 (18.64%) Microsoft
8 11 (18.64%) Apache
8 11 (18.64%) MVC
8 11 (18.64%) Active Directory
8 11 (18.64%) AngularJS
8 11 (18.64%) Sass
9 10 (16.95%) Jenkins
9 10 (16.95%) REST
9 10 (16.95%) DevOps
9 10 (16.95%) PostgreSQL
9 10 (16.95%) Maven
9 10 (16.95%) JSON
10 9 (15.25%) Graphic Design
10 9 (15.25%) Selenium
10 9 (15.25%) Ruby
10 9 (15.25%) Ajax
10 9 (15.25%) VMware
10 9 (15.25%) Web Design

SSL
Top Related 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 (18.64%) Apache
2 5 (8.47%) Tomcat
3 4 (6.78%) IIS
3 4 (6.78%) OpenStack
4 3 (5.08%) SharePoint
5 2 (3.39%) Apache Solr
5 2 (3.39%) CMS
5 2 (3.39%) LiveCycle
5 2 (3.39%) Skype for Business
5 2 (3.39%) WebSphere
6 1 (1.69%) Apache Spark
6 1 (1.69%) CICS
6 1 (1.69%) Confluence
6 1 (1.69%) Elasticsearch
6 1 (1.69%) JBoss
6 1 (1.69%) nginx
Applications
1 3 (5.08%) MS Excel
2 1 (1.69%) HipChat
2 1 (1.69%) MS Visio
Cloud Services
1 6 (10.17%) GitHub
2 3 (5.08%) Amazon AWS
3 2 (3.39%) Microsoft Azure
4 1 (1.69%) Cloud Computing
4 1 (1.69%) SaaS
4 1 (1.69%) Virtual Private Cloud
Communications & Networking
1 23 (38.98%) HTTP
2 22 (37.29%) DNS
3 19 (32.20%) Firewall
4 16 (27.12%) TCP/IP
5 13 (22.03%) VPN
6 9 (15.25%) Internet
6 9 (15.25%) IPsec
7 7 (11.86%) DHCP
7 7 (11.86%) SAN
8 6 (10.17%) LAN
8 6 (10.17%) WAN
9 5 (8.47%) Cisco ASA
9 5 (8.47%) Cisco Nexus
9 5 (8.47%) OSPF
10 4 (6.78%) Intrusion Detection
11 3 (5.08%) BGP
11 3 (5.08%) ICMP
11 3 (5.08%) MPLS
11 3 (5.08%) Network Security
11 3 (5.08%) SSH
Database & Business Intelligence
1 10 (16.95%) PostgreSQL
2 8 (13.56%) SQL Server
3 7 (11.86%) MongoDB
4 6 (10.17%) MySQL
5 5 (8.47%) Redis
6 4 (6.78%) Relational Database
7 3 (5.08%) RDBMS
8 2 (3.39%) Apache Hive
8 2 (3.39%) Hadoop
8 2 (3.39%) HBase
8 2 (3.39%) Oracle Database
9 1 (1.69%) Big Data
9 1 (1.69%) Impala
9 1 (1.69%) Ingres
9 1 (1.69%) NoSQL
9 1 (1.69%) Sqoop
Development Applications
1 10 (16.95%) Jenkins
1 10 (16.95%) Maven
2 9 (15.25%) Bower
2 9 (15.25%) Grunt
2 9 (15.25%) gulp
2 9 (15.25%) Jasmine
2 9 (15.25%) JSHint
2 9 (15.25%) Karma Test Runner
2 9 (15.25%) Protractor
2 9 (15.25%) QUnit
2 9 (15.25%) Selenium
2 9 (15.25%) webpack
3 4 (6.78%) Bitbucket
4 2 (3.39%) Git (software)
4 2 (3.39%) Vagrant
4 2 (3.39%) Visual Studio
5 1 (1.69%) JIRA
5 1 (1.69%) MSI
5 1 (1.69%) Subversion
5 1 (1.69%) Talend Open Studio
General
1 17 (28.81%) Finance
2 8 (13.56%) Banking
3 4 (6.78%) Financial Institution
4 2 (3.39%) Investment Banking
5 1 (1.69%) Games
Job Titles
1 15 (25.42%) Developer
2 10 (16.95%) Front End Developer (Client-Side Developer)
3 7 (11.86%) Consultant
3 7 (11.86%) Front End Web Developer (Client-Side Developer)
3 7 (11.86%) Web Developer
4 6 (10.17%) Analyst
4 6 (10.17%) UI Developer
4 6 (10.17%) Web UI Developer
5 5 (8.47%) DevOps Engineer
6 4 (6.78%) Administrator
6 4 (6.78%) Architect
6 4 (6.78%) Infrastructure Engineer
7 3 (5.08%) Linux Engineer
7 3 (5.08%) Linux Support
7 3 (5.08%) Linux Support Engineer
7 3 (5.08%) Network Analyst
7 3 (5.08%) Security Engineer
7 3 (5.08%) Senior Developer
7 3 (5.08%) Support Consultant
7 3 (5.08%) Support Engineer
Libraries, Frameworks & Software Standards
1 12 (20.34%) HTML
2 11 (18.64%) AngularJS
2 11 (18.64%) CSS
2 11 (18.64%) Sass
3 10 (16.95%) JSON
3 10 (16.95%) REST
4 9 (15.25%) Ajax
4 9 (15.25%) Backbone.js
4 9 (15.25%) Compass CSS Framework
4 9 (15.25%) CSS3
4 9 (15.25%) DOM
4 9 (15.25%) Ember.js
4 9 (15.25%) HTML5
4 9 (15.25%) JSLint
4 9 (15.25%) LESS
4 9 (15.25%) React
5 6 (10.17%) Node.js
6 5 (8.47%) LAPP Stack
7 4 (6.78%) Web Services
8 3 (5.08%) SOAP
Miscellaneous
1 9 (15.25%) Graphic Design
2 7 (11.86%) Data Centre
3 6 (10.17%) Clustering
4 4 (6.78%) Analytical Skills
5 3 (5.08%) Computer Science
5 3 (5.08%) Hedge funds
5 3 (5.08%) Replication
6 2 (3.39%) Blackberry
6 2 (3.39%) Enterprise Software
6 2 (3.39%) Hybrid Cloud
6 2 (3.39%) Management Information System
6 2 (3.39%) NHS
6 2 (3.39%) Video Conferencing
7 1 (1.69%) Enterprise Storage
7 1 (1.69%) Fat Client
7 1 (1.69%) Fintech
7 1 (1.69%) HP StoreVirtual
7 1 (1.69%) Mainframe
7 1 (1.69%) Thin Client
7 1 (1.69%) User Experience
Operating Systems
1 22 (37.29%) Linux
2 9 (15.25%) Windows
3 5 (8.47%) Unix
4 4 (6.78%) CoreOS
4 4 (6.78%) RancherOS
5 3 (5.08%) Windows 7
6 2 (3.39%) CentOS
6 2 (3.39%) Red Hat Enterprise Linux
6 2 (3.39%) Windows Server
7 1 (1.69%) Apple iOS
7 1 (1.69%) Fedora
7 1 (1.69%) Ubuntu
7 1 (1.69%) Windows 10
7 1 (1.69%) Windows 8
7 1 (1.69%) Windows Server 2008
Processes & Methodologies
1 11 (18.64%) MVC
2 10 (16.95%) DevOps
3 9 (15.25%) Responsive Web Design
3 9 (15.25%) Web Design
4 8 (13.56%) Web Development
5 6 (10.17%) Information Security
6 5 (8.47%) Agile Software Development
6 5 (8.47%) Load Balancing
7 4 (6.78%) Multi-Factor Authentication
7 4 (6.78%) Security Hardening
7 4 (6.78%) Software Engineering
8 3 (5.08%) Cybersecurity
8 3 (5.08%) Data Protection
8 3 (5.08%) Infrastructure Management
8 3 (5.08%) Kalman Filter
8 3 (5.08%) Mobile Device Management
8 3 (5.08%) Network Architecture
8 3 (5.08%) Server Virtualisation
8 3 (5.08%) User Acceptance Testing
8 3 (5.08%) Validation
Programming Languages
1 17 (28.81%) Java
2 13 (22.03%) JavaScript
3 9 (15.25%) Ruby
4 6 (10.17%) Bash Shell
4 6 (10.17%) Python
5 5 (8.47%) Perl
5 5 (8.47%) PowerShell
5 5 (8.47%) SQL
6 4 (6.78%) Go
7 2 (3.39%) C
7 2 (3.39%) C#
7 2 (3.39%) PHP
7 2 (3.39%) PHP 5
7 2 (3.39%) Shell Script
8 1 (1.69%) Apple Swift
8 1 (1.69%) JCL
8 1 (1.69%) Tcl
8 1 (1.69%) VB
8 1 (1.69%) VBScript
Qualifications
1 8 (13.56%) Security Cleared
2 7 (11.86%) SC Cleared
3 5 (8.47%) Cisco Certification
4 4 (6.78%) CISSP
4 4 (6.78%) Degree
5 3 (5.08%) CCNP
6 2 (3.39%) CCSA
6 2 (3.39%) CCSE
6 2 (3.39%) CCSP
6 2 (3.39%) CISA
7 1 (1.69%) (ISC)2 CCSP
7 1 (1.69%) CCIE
7 1 (1.69%) CISM
7 1 (1.69%) CSSLP
7 1 (1.69%) DV Cleared
7 1 (1.69%) MCSE
7 1 (1.69%) Microsoft Certification
7 1 (1.69%) OCA
7 1 (1.69%) Oracle Certification
7 1 (1.69%) RHCE
Quality Assurance & Compliance
1 2 (3.39%) PCI DSS
2 1 (1.69%) QA
2 1 (1.69%) SLA
System Software
1 11 (18.64%) Active Directory
2 7 (11.86%) VMware Infrastructure
3 6 (10.17%) Docker
4 4 (6.78%) etcd
4 4 (6.78%) flannel
4 4 (6.78%) Hyper-V
5 3 (5.08%) BitLocker
5 3 (5.08%) Terminal Services
6 2 (3.39%) HDFS
6 2 (3.39%) Virtual Desktop
7 1 (1.69%) Apache Flume
7 1 (1.69%) Apache ZooKeeper
7 1 (1.69%) DFS Replication
7 1 (1.69%) Microsoft App-V
7 1 (1.69%) NFS
7 1 (1.69%) ProxySG
7 1 (1.69%) Samba
7 1 (1.69%) vCloud
7 1 (1.69%) XenApp
7 1 (1.69%) XenDesktop
Systems Management
1 5 (8.47%) Kubernetes
1 5 (8.47%) Mesos
2 4 (6.78%) Consul
2 4 (6.78%) Docker Swarm
2 4 (6.78%) Host Intrusion Detection System
2 4 (6.78%) Marathon
2 4 (6.78%) Network Intrusion Detection System
2 4 (6.78%) Rancher
3 2 (3.39%) Ansible
3 2 (3.39%) CA Single Sign-On
3 2 (3.39%) DameWare
3 2 (3.39%) Kibana
3 2 (3.39%) Puppet
4 1 (1.69%) Hadoop YARN
4 1 (1.69%) HAProxy
4 1 (1.69%) HP Data Protector
4 1 (1.69%) logstash
4 1 (1.69%) Nagios
4 1 (1.69%) OSSEC
4 1 (1.69%) SCCM
Vendors
1 13 (22.03%) Cisco
2 11 (18.64%) Microsoft
3 9 (15.25%) VMware
4 7 (11.86%) CheckPoint
5 6 (10.17%) HP
6 3 (5.08%) Citrix
6 3 (5.08%) NetApp
6 3 (5.08%) Oracle
6 3 (5.08%) Veeam
7 2 (3.39%) Adobe
7 2 (3.39%) Altiris
7 2 (3.39%) Bloomberg
7 2 (3.39%) F5
7 2 (3.39%) Juniper
7 2 (3.39%) Meraki
7 2 (3.39%) Palo Alto
7 2 (3.39%) Polycom
7 2 (3.39%) Reuters
8 1 (1.69%) Tableau
8 1 (1.69%) Talend