Period
to 26 June 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 26 June 2019 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)
London > Central London
6 months to
26 Jun 2019
Same period 2018 Same period 2017
Rank 227 205 205
Rank change year-on-year -22 0 +23
Contract jobs citing SSL 46 90 49
As % of all contract IT jobs advertised in Central London 0.54% 0.99% 0.66%
As % of the Communications & Networking category 4.98% 7.87% 5.66%
Number of daily rates quoted 41 73 35
Central London median daily rate £550 £525 £475
Median daily rate % change year-on-year +4.76% +10.53% -5.00%
10th Percentile £413 £363 £301
90th Percentile £675 £625 £625
London median daily rate £550 £550 £475
% change year-on-year - +15.79% +5.56%
Number of hourly rates quoted 0 0 1
Central London median hourly rate - - £30.00
London median hourly rate - - £30.00

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 Central London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Central London
Contract vacancies with a requirement for communications or computer networking skills 924 1,143 866
As % of all contract IT jobs advertised in Central London 10.93% 12.53% 11.67%
Number of daily rates quoted 681 881 627
Central London median daily rate £488 £450 £450
Median daily rate % change year-on-year +8.33% - +5.88%
10th Percentile £219 £213 £189
90th Percentile £656 £625 £625
London median daily rate £475 £450 £450
% change year-on-year +5.56% - +5.88%
Number of hourly rates quoted 17 23 23
Central London median hourly rate £31.00 £18.70 £21.16
Median hourly rate % change year-on-year +65.78% -11.60% -0.87%
10th Percentile £16.72 £14.05 £12.97
90th Percentile £43.73 £33.00 £29.95
London median hourly rate £24.50 £20.00 £22.50
% change year-on-year +22.50% -11.11% +5.44%

SSL
Job Vacancy Trend in Central London

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

Job vacancy trend for SSL in Central London

SSL
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for SSL in Central London

SSL
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing SSL in Central London over the 6 months to 26 June 2019.

Contractor daily rate histogram for SSL in Central London

SSL
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for SSL in Central London

SSL
Contract Job Locations in Central 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 Central London region over the 6 months to 26 June 2019. 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
City of London -38 30 £575 +10.84%
City of Westminster -4 14 £550 +4.76%
SSL
London

For the 6 months to 26 June 2019, 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 Central London region with a requirement for SSL.

1 39 (84.78%) Linux
2 38 (82.61%) TCP/IP
3 36 (78.26%) Java
4 35 (76.09%) DNS
5 33 (71.74%) FTP
5 33 (71.74%) HTTP
6 30 (65.22%) Microservices
7 29 (63.04%) Docker
8 26 (56.52%) Kubernetes
9 25 (54.35%) MongoDB
10 24 (52.17%) DevOps
11 22 (47.83%) IPsec
12 21 (45.65%) Configuration Management
12 21 (45.65%) Puppet
13 20 (43.48%) Open Source
13 20 (43.48%) Jenkins
13 20 (43.48%) DHCP
14 19 (41.30%) Continuous Integration
15 18 (39.13%) Travis CI
16 17 (36.96%) Spring
17 16 (34.78%) Test Automation
17 16 (34.78%) NoSQL
17 16 (34.78%) REST
18 15 (32.61%) HTML5
18 15 (32.61%) Git (software)
18 15 (32.61%) Virtual Machines
18 15 (32.61%) gulp
18 15 (32.61%) Target Operating Model
18 15 (32.61%) Relational Database
18 15 (32.61%) RDBMS

SSL
Co-occurring IT Skills in Central 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 (17.39%) Elasticsearch
2 6 (13.04%) Apache
3 5 (10.87%) Tomcat
4 4 (8.70%) IIS
4 4 (8.70%) nginx
4 4 (8.70%) WebSphere
5 3 (6.52%) JBoss
5 3 (6.52%) Jetty
5 3 (6.52%) Mongrel
6 2 (4.35%) Apache Spark
6 2 (4.35%) MS Exchange
6 2 (4.35%) WebLogic
Applications
1 3 (6.52%) Microsoft Office
2 1 (2.17%) Microsoft Excel
2 1 (2.17%) Microsoft PowerPoint
Cloud Services
1 13 (28.26%) Amazon AWS
2 5 (10.87%) Amazon SQS
3 4 (8.70%) Google Cloud Platform
4 3 (6.52%) Amazon EC2
4 3 (6.52%) Google App Engine
4 3 (6.52%) Heroku
5 2 (4.35%) Apigee
5 2 (4.35%) GitHub
5 2 (4.35%) Microsoft Azure
6 1 (2.17%) Azure Active Directory
6 1 (2.17%) Cloud Computing
6 1 (2.17%) Google Analytics
Communications & Networking
1 38 (82.61%) TCP/IP
2 35 (76.09%) DNS
3 33 (71.74%) FTP
3 33 (71.74%) HTTP
4 22 (47.83%) IPsec
5 20 (43.48%) DHCP
6 7 (15.22%) Firewall
7 6 (13.04%) VPN
8 5 (10.87%) WAN
9 3 (6.52%) BGP
9 3 (6.52%) Cisco ASA
9 3 (6.52%) Internet
9 3 (6.52%) OSPF
9 3 (6.52%) VoIP
9 3 (6.52%) Wireless
10 2 (4.35%) Cisco Firepower
10 2 (4.35%) Converged Networks
10 2 (4.35%) Intrusion Detection
10 2 (4.35%) LAN
10 2 (4.35%) Network Security
Database & Business Intelligence
1 25 (54.35%) MongoDB
2 16 (34.78%) NoSQL
3 15 (32.61%) MySQL
3 15 (32.61%) RDBMS
3 15 (32.61%) Relational Database
4 11 (23.91%) PostgreSQL
5 3 (6.52%) Apache Cassandra
6 2 (4.35%) Big Data
6 2 (4.35%) Hadoop
7 1 (2.17%) SQL Server
Development Applications
1 20 (43.48%) Jenkins
2 18 (39.13%) Travis CI
3 15 (32.61%) Git (software)
3 15 (32.61%) gulp
4 13 (28.26%) GitLab
4 13 (28.26%) Gradle
5 12 (26.09%) Gatling
6 11 (23.91%) Geb
6 11 (23.91%) Spock
7 2 (4.35%) Eclipse
7 2 (4.35%) IntelliJ
7 2 (4.35%) JUnit
7 2 (4.35%) Selenium
8 1 (2.17%) Ant
8 1 (2.17%) Bitbucket
8 1 (2.17%) Cucumber
8 1 (2.17%) Grunt
8 1 (2.17%) Karma Test Runner
8 1 (2.17%) Maven
8 1 (2.17%) Sublime Text
General
1 3 (6.52%) Banking
1 3 (6.52%) Retail
1 3 (6.52%) Telecoms
2 2 (4.35%) Finance
3 1 (2.17%) Investment Banking
Job Titles
1 17 (36.96%) Developer
2 15 (32.61%) DevOps Engineer
3 12 (26.09%) Java Developer
4 6 (13.04%) Agile Developer
4 6 (13.04%) Agile Java Developer
5 3 (6.52%) Analyst
5 3 (6.52%) Support Analyst
6 2 (4.35%) Cisco Security Specialist
6 2 (4.35%) Cisco Specialist
6 2 (4.35%) Security Specialist
6 2 (4.35%) Technical Leader
6 2 (4.35%) Windows Support Analyst
7 1 (2.17%) 2nd Line Support Analyst
7 1 (2.17%) Cloud Developer
7 1 (2.17%) Microsoft Developer
7 1 (2.17%) Middleware Engineer
7 1 (2.17%) Platform Engineer
7 1 (2.17%) Scala Developer
7 1 (2.17%) Senior Java Developer
7 1 (2.17%) SOC Engineer
Libraries, Frameworks & Software Standards
1 17 (36.96%) Spring
2 16 (34.78%) REST
3 15 (32.61%) CSS
3 15 (32.61%) HTML
3 15 (32.61%) HTML5
3 15 (32.61%) SOAP
4 14 (30.43%) OAuth
5 13 (28.26%) Dropwizard
5 13 (28.26%) Guice
5 13 (28.26%) OAuth2
5 13 (28.26%) Ratpack
6 12 (26.09%) AngularJS
6 12 (26.09%) Kafka
7 11 (23.91%) Ember.js
7 11 (23.91%) Spring Boot
7 11 (23.91%) WireMock
8 6 (13.04%) Hibernate
9 5 (10.87%) .NET
9 5 (10.87%) Servlets
10 4 (8.70%) J2EE
Miscellaneous
1 2 (4.35%) Public Cloud
2 1 (2.17%) Data Centre
2 1 (2.17%) Foreign Exchange (FX)
2 1 (2.17%) Greenfield Project
2 1 (2.17%) Mobile App
2 1 (2.17%) PKI
2 1 (2.17%) Replication
Operating Systems
1 39 (84.78%) Linux
2 6 (13.04%) Windows
3 3 (6.52%) Android
3 3 (6.52%) Apple iOS
3 3 (6.52%) Unix
4 2 (4.35%) Mac OS
4 2 (4.35%) Windows 10
4 2 (4.35%) Windows 7
5 1 (2.17%) Ubuntu
Processes & Methodologies
1 30 (65.22%) Microservices
2 24 (52.17%) DevOps
3 21 (45.65%) Configuration Management
4 20 (43.48%) Open Source
5 19 (41.30%) Continuous Integration
6 16 (34.78%) Test Automation
7 15 (32.61%) OO
7 15 (32.61%) OOP
7 15 (32.61%) Target Operating Model
7 15 (32.61%) Thought Leadership
8 13 (28.26%) Domain-Driven Design
8 13 (28.26%) OWASP
9 11 (23.91%) BDD
9 11 (23.91%) Software Engineering
9 11 (23.91%) TDD
10 10 (21.74%) Agile Software Development
11 6 (13.04%) Digital Transformation Programme
12 5 (10.87%) Kalman Filter
13 3 (6.52%) High Availability
13 3 (6.52%) Problem-Solving
Programming Languages
1 36 (78.26%) Java
2 15 (32.61%) Java 8
2 15 (32.61%) JavaScript
3 13 (28.26%) ES6
3 13 (28.26%) TypeScript
4 3 (6.52%) C#
4 3 (6.52%) Python
4 3 (6.52%) SQL
5 2 (4.35%) Bash Shell
5 2 (4.35%) Scala
6 1 (2.17%) Groovy
6 1 (2.17%) Haskell
6 1 (2.17%) Java 9
6 1 (2.17%) Perl
6 1 (2.17%) PowerShell
6 1 (2.17%) R
6 1 (2.17%) Ruby
6 1 (2.17%) Shell Script
6 1 (2.17%) VB.NET
Qualifications
1 3 (6.52%) CCIE
1 3 (6.52%) Cisco Certification
2 2 (4.35%) BC Cleared
2 2 (4.35%) BPSS Clearance
2 2 (4.35%) CCDA
2 2 (4.35%) CCDP
2 2 (4.35%) CCNA
2 2 (4.35%) CCNP
2 2 (4.35%) SC Cleared
2 2 (4.35%) Security Cleared
3 1 (2.17%) CCIE Collaboration
3 1 (2.17%) CCIE Data Center
3 1 (2.17%) CCIE Routing and Switching
3 1 (2.17%) MCP
3 1 (2.17%) MCSE
3 1 (2.17%) Microsoft Certification
System Software
1 29 (63.04%) Docker
2 15 (32.61%) Virtual Machines
3 4 (8.70%) Active Directory
3 4 (8.70%) VMware Infrastructure
4 3 (6.52%) Xen
5 1 (2.17%) BitLocker
5 1 (2.17%) Hyper-V
5 1 (2.17%) IAG
5 1 (2.17%) ProxySG
5 1 (2.17%) Terminal Services
Systems Management
1 26 (56.52%) Kubernetes
2 21 (45.65%) Puppet
3 13 (28.26%) Ansible
3 13 (28.26%) Docker Swarm
4 6 (13.04%) Opscode Chef
4 6 (13.04%) Terraform
5 1 (2.17%) Forefront Identity Manager
5 1 (2.17%) Grafana
5 1 (2.17%) Istio
5 1 (2.17%) Kibana
5 1 (2.17%) SCCM
5 1 (2.17%) SCOM
Vendors
1 7 (15.22%) Microsoft
2 6 (13.04%) Google
3 4 (8.70%) Cisco
3 4 (8.70%) VMware
4 3 (6.52%) webMethods
5 2 (4.35%) Apple
5 2 (4.35%) CheckPoint
5 2 (4.35%) Palo Alto
5 2 (4.35%) ServiceNow
6 1 (2.17%) Adobe
6 1 (2.17%) Blue Coat
6 1 (2.17%) HP
6 1 (2.17%) IBM