Period
to 22 February 2018

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 6 months to 22 February 2018 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.

Secure Socket Layer (SSL)
Central London > City of London
6 months to
22 Feb 2018
Same period 2017 Same period 2016
Rank 179 170 205
Rank change year-on-year -9 +35 +37
Contract jobs citing SSL 68 61 27
As % of all contract IT jobs advertised in the City of London 0.96% 0.99% 0.40%
As % of the Communications & Networking category 9.13% 7.75% 3.90%
Number of daily rates quoted 59 53 22
City of London median daily rate £550 £425 £475
Median daily rate % change year-on-year +29.41% -10.53% +15.50%
10th Percentile £363 £272 £309
90th Percentile £625 £525 £588
Central London median daily rate £550 £428 £430
% change year-on-year +28.45% -0.47% +4.88%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

SSL is in the Communications and Computer Networking category. The following 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 or computer networking skills.

All Communications and Computer Networking Skills
City of London
Contract vacancies with a requirement for communications or computer networking skills 745 787 693
As % of all contract IT jobs advertised in the City of London 10.49% 12.81% 10.36%
Number of daily rates quoted 588 611 511
City of London median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +6.25%
10th Percentile £232 £275 £225
90th Percentile £620 £600 £588
Central London median daily rate £450 £450 £425
% change year-on-year - +5.88% +6.25%
Number of hourly rates quoted 15 17 19
City of London median hourly rate £16.00 £19.00 £24.00
Median hourly rate % change year-on-year -15.79% -20.83% +28.34%
10th Percentile £11.25 £13.34 £15.45
90th Percentile £22.55 £55.00 £31.68
Central London median hourly rate £15.50 £19.00 £21.66
% change year-on-year -18.42% -12.27% +15.82%

SSL
Job Vacancy Trend in the City of London

Job postings citing SSL as a percentage of all IT jobs advertised in the City of London.

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 6 months to 22 February 2018.

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 contractor hourly rates quoted in IT jobs citing SSL in the City of London.

Contractor hourly rate trend for SSL in the City of London

SSL
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SSL within the City of London region over the 6 months to 22 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London Bridge - 1 £300 -
SSL
Central London

For the 6 months to 22 February 2018, IT contractor jobs citing SSL also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for SSL.

1 37 (54.41%) Linux
2 34 (50.00%) TCP/IP
3 29 (42.65%) Agile Software Development
4 27 (39.71%) Amazon AWS
4 27 (39.71%) DNS
5 24 (35.29%) HTTP
5 24 (35.29%) PostgreSQL
6 22 (32.35%) Firewall
6 22 (32.35%) JavaScript
6 22 (32.35%) MongoDB
6 22 (32.35%) REST
7 21 (30.88%) Software Engineering
7 21 (30.88%) Java
8 20 (29.41%) HTML
8 20 (29.41%) Docker
9 19 (27.94%) HTML5
9 19 (27.94%) Git (software)
10 18 (26.47%) OWASP
10 18 (26.47%) FTP
11 17 (25.00%) CSS
11 17 (25.00%) SOAP
11 17 (25.00%) Domain-Driven Design
11 17 (25.00%) Guice
11 17 (25.00%) Scala
11 17 (25.00%) Heroku
11 17 (25.00%) TDD
11 17 (25.00%) Groovy
11 17 (25.00%) Ratpack
11 17 (25.00%) Gradle
11 17 (25.00%) AngularJS

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 5 (7.35%) Apache
2 3 (4.41%) Apache Solr
2 3 (4.41%) Apache Spark
2 3 (4.41%) nginx
2 3 (4.41%) Tomcat
3 2 (2.94%) Confluence
3 2 (2.94%) IIS
3 2 (2.94%) MS Exchange
4 1 (1.47%) Cloud Foundry
4 1 (1.47%) Exchange Server 2010
4 1 (1.47%) Exchange Server 2013
4 1 (1.47%) Skype for Business
Applications
1 4 (5.88%) Microsoft Office
2 3 (4.41%) Microsoft Excel
3 1 (1.47%) Microsoft PowerPoint
3 1 (1.47%) MS Visio
Business Applications
1 2 (2.94%) RMDS
Cloud Services
1 27 (39.71%) Amazon AWS
2 17 (25.00%) Heroku
3 6 (8.82%) Microsoft Azure
4 2 (2.94%) Cloud Computing
4 2 (2.94%) IaaS
4 2 (2.94%) PaaS
4 2 (2.94%) SaaS
5 1 (1.47%) G Suite
5 1 (1.47%) GitHub
5 1 (1.47%) npm
5 1 (1.47%) Office 365
Communications & Networking
1 34 (50.00%) TCP/IP
2 27 (39.71%) DNS
3 24 (35.29%) HTTP
4 22 (32.35%) Firewall
5 18 (26.47%) FTP
6 12 (17.65%) VPN
7 10 (14.71%) IPsec
7 10 (14.71%) WAN
8 8 (11.76%) LAN
9 7 (10.29%) Cisco ASA
10 6 (8.82%) BGP
10 6 (8.82%) Cisco Nexus
10 6 (8.82%) DHCP
10 6 (8.82%) MPLS
11 5 (7.35%) HSRP
11 5 (7.35%) Internet
12 4 (5.88%) EIGRP
12 4 (5.88%) Kerberos
12 4 (5.88%) OSPF
12 4 (5.88%) Wireshark
Database & Business Intelligence
1 24 (35.29%) PostgreSQL
2 22 (32.35%) MongoDB
3 6 (8.82%) MySQL
4 5 (7.35%) SQL Server
5 3 (4.41%) Apache Cassandra
5 3 (4.41%) Apache Hive
5 3 (4.41%) Hadoop
5 3 (4.41%) HBase
6 2 (2.94%) Relational Database
7 1 (1.47%) RDBMS
Development Applications
1 19 (27.94%) Git (software)
2 17 (25.00%) Gradle
3 16 (23.53%) Gatling
3 16 (23.53%) Geb
3 16 (23.53%) GitLab
3 16 (23.53%) gulp
3 16 (23.53%) Spock
4 4 (5.88%) Visual Studio
5 3 (4.41%) Artifactory
5 3 (4.41%) Fiddler
5 3 (4.41%) Jenkins
5 3 (4.41%) JIRA
6 2 (2.94%) Sonatype Nexus
7 1 (1.47%) Ant
7 1 (1.47%) Chocolatey
7 1 (1.47%) SonarQube
7 1 (1.47%) TeamCity
7 1 (1.47%) TestRail
7 1 (1.47%) Visual Studio Team System
7 1 (1.47%) webpack
General
1 12 (17.65%) Finance
2 9 (13.24%) Banking
3 2 (2.94%) Financial Institution
3 2 (2.94%) Multimedia
4 1 (1.47%) Legal
Job Titles
1 20 (29.41%) Developer
2 16 (23.53%) Agile Developer
2 16 (23.53%) Agile Java Developer
2 16 (23.53%) Java Developer
3 10 (14.71%) Analyst
4 8 (11.76%) Consultant
4 8 (11.76%) Security Analyst
5 7 (10.29%) Architect
6 6 (8.82%) Senior DevOps
7 5 (7.35%) Network Engineer
8 4 (5.88%) AWS DevOps
8 4 (5.88%) C# Developer
8 4 (5.88%) Linux/Unix DevOps
8 4 (5.88%) Security Engineer
9 3 (4.41%) Business Analyst
9 3 (4.41%) DevOps Engineer
9 3 (4.41%) Information Analyst
9 3 (4.41%) Information Security Analyst
10 2 (2.94%) Cisco Network Engineer
10 2 (2.94%) Messaging Specialist
Libraries, Frameworks & Software Standards
1 22 (32.35%) REST
2 20 (29.41%) HTML
3 19 (27.94%) HTML5
4 17 (25.00%) AngularJS
4 17 (25.00%) CSS
4 17 (25.00%) Dropwizard
4 17 (25.00%) Guice
4 17 (25.00%) OAuth2
4 17 (25.00%) Ratpack
4 17 (25.00%) SOAP
5 16 (23.53%) Ember.js
5 16 (23.53%) WireMock
6 10 (14.71%) Kafka
7 8 (11.76%) Spring
8 7 (10.29%) Spring Boot
9 6 (8.82%) SAML
10 5 (7.35%) .NET
10 5 (7.35%) ASP.NET
10 5 (7.35%) Web Services
11 3 (4.41%) JDBC
Miscellaneous
1 10 (14.71%) Data Centre
2 5 (7.35%) Computer Science
2 5 (7.35%) Wiki
3 3 (4.41%) Clustering
3 3 (4.41%) Enterprise Software
3 3 (4.41%) Public Cloud
4 2 (2.94%) Analytical Skills
4 2 (2.94%) Client/Server
4 2 (2.94%) Management Information System
4 2 (2.94%) Security Operations Centre
5 1 (1.47%) Blackberry
5 1 (1.47%) Greenfield Project
5 1 (1.47%) Hybrid Cloud
5 1 (1.47%) Mobile App
Operating Systems
1 37 (54.41%) Linux
2 7 (10.29%) Red Hat Enterprise Linux
3 6 (8.82%) Windows
3 6 (8.82%) Windows Server
4 4 (5.88%) Ubuntu
5 1 (1.47%) Android
5 1 (1.47%) Apple iOS
5 1 (1.47%) CoreOS
5 1 (1.47%) Mac OS
5 1 (1.47%) Unix
5 1 (1.47%) Windows 10
5 1 (1.47%) Windows 7
5 1 (1.47%) Windows 8
5 1 (1.47%) Windows Server 2008
5 1 (1.47%) Windows Server 2012
5 1 (1.47%) Windows Vista
Processes & Methodologies
1 29 (42.65%) Agile Software Development
2 21 (30.88%) Software Engineering
3 18 (26.47%) OWASP
4 17 (25.00%) Domain-Driven Design
4 17 (25.00%) TDD
5 16 (23.53%) BDD
5 16 (23.53%) Digital Transformation Programme
6 11 (16.18%) DevOps
7 10 (14.71%) ITIL
8 9 (13.24%) Microservices
9 7 (10.29%) Cybersecurity
9 7 (10.29%) Load Balancing
10 5 (7.35%) Analytics
10 5 (7.35%) Change Management
10 5 (7.35%) Configuration Management
10 5 (7.35%) Continuous Delivery
11 4 (5.88%) Information Security
11 4 (5.88%) MVC
11 4 (5.88%) Network Virtualisation
11 4 (5.88%) SOLID
Programming Languages
1 22 (32.35%) JavaScript
2 21 (30.88%) Java
3 17 (25.00%) Groovy
3 17 (25.00%) Scala
4 16 (23.53%) ES6
4 16 (23.53%) TypeScript
5 6 (8.82%) C#
5 6 (8.82%) Python
6 4 (5.88%) Bash Shell
6 4 (5.88%) Ruby
7 3 (4.41%) SQL
8 2 (2.94%) PowerShell
9 1 (1.47%) Go
9 1 (1.47%) T-SQL
Qualifications
1 4 (5.88%) Cisco Certification
1 4 (5.88%) Degree
2 3 (4.41%) CCNP
2 3 (4.41%) CISSP
3 2 (2.94%) CCIE
3 2 (2.94%) CEH
3 2 (2.94%) OCA
3 2 (2.94%) Oracle Certification
3 2 (2.94%) Security Cleared
4 1 (1.47%) CCIE Routing and Switching
4 1 (1.47%) CCNA
4 1 (1.47%) CCSP
4 1 (1.47%) Computer Science Degree
4 1 (1.47%) RHCE
4 1 (1.47%) SC Cleared
Quality Assurance & Compliance
1 3 (4.41%) HL7
2 2 (2.94%) QA
3 1 (1.47%) AS 2805
3 1 (1.47%) GDPR
3 1 (1.47%) ISO 8583
3 1 (1.47%) ISO/IEC 27001
3 1 (1.47%) PCI DSS
System Software
1 20 (29.41%) Docker
2 10 (14.71%) Active Directory
3 4 (5.88%) vCloud
4 3 (4.41%) Apache Flume
4 3 (4.41%) Apache ZooKeeper
4 3 (4.41%) HDFS
5 2 (2.94%) Microsoft App-V
6 1 (1.47%) VMware ESXi
6 1 (1.47%) vSphere
Systems Management
1 17 (25.00%) Docker Swarm
2 6 (8.82%) Ansible
2 6 (8.82%) Single Sign-On
3 4 (5.88%) Puppet
4 3 (4.41%) Ambari
4 3 (4.41%) Apache Slider
4 3 (4.41%) CA Single Sign-On
4 3 (4.41%) Hadoop YARN
4 3 (4.41%) Kubernetes
4 3 (4.41%) Nessus
4 3 (4.41%) Oozie
5 2 (2.94%) Kibana
5 2 (2.94%) logstash
5 2 (2.94%) OPNET
5 2 (2.94%) SCCM
6 1 (1.47%) Cacti
6 1 (1.47%) Grafana
6 1 (1.47%) HAProxy
6 1 (1.47%) SCOM
6 1 (1.47%) Terraform
Vendors
1 11 (16.18%) Cisco
2 8 (11.76%) Microsoft
2 8 (11.76%) VMware
3 7 (10.29%) Palo Alto
4 6 (8.82%) F5
5 4 (5.88%) CheckPoint
5 4 (5.88%) Oracle
5 4 (5.88%) SaltStack
6 3 (4.41%) Arista
6 3 (4.41%) Citrix
6 3 (4.41%) Hortonworks
6 3 (4.41%) HP
6 3 (4.41%) Qualys
6 3 (4.41%) ServiceNow
6 3 (4.41%) Sophos
7 2 (2.94%) Blue Coat
7 2 (2.94%) Dell
7 2 (2.94%) Fortinet
7 2 (2.94%) Riverbed
7 2 (2.94%) SolarWinds