Period
to 4 April 2020

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 4 April 2020 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
4 Apr 2020
Same period 2019 Same period 2018
Rank 176 233 192
Rank change year-on-year +57 -41 -7
Contract jobs citing SSL 25 62 97
As % of all contract jobs advertised in Central London 0.48% 0.69% 1.05%
As % of the Communications & Networking category 4.73% 6.33% 8.93%
Number of daily rates quoted 20 62 82
Median daily rate £568 £525 £530
Median daily rate % change year-on-year +8.19% -0.94% +23.54%
10th Percentile £419 £307 £313
90th Percentile £706 £725 £625
London median daily rate £550 £550 £550
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
London median hourly rate - - £35.00

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 528 979 1,086
As % of all contract IT jobs advertised in Central London 10.11% 10.95% 11.80%
Number of daily rates quoted 376 729 833
Median daily rate £450 £460 £450
Median daily rate % change year-on-year -2.17% +2.22% -
10th Percentile £203 £181 £213
90th Percentile £638 £650 £620
London median daily rate £450 £475 £450
% change year-on-year -5.26% +5.56% -
Number of hourly rates quoted 10 26 22
Median hourly rate £33.76 £20.57 £16.18
Median hourly rate % change year-on-year +64.11% +27.19% -19.44%
10th Percentile £17.93 £17.19 £11.43
90th Percentile £40.45 £36.25 £23.75
Median hourly rate £25.34 £24.75 £20.00
% change year-on-year +2.38% +23.75% -20.00%

SSL
Job Vacancy Trend in Central London

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

Job vacancy trend for SSL in Central London

SSL
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing SSL in Central London.

Daily rate trend for SSL in Central London

SSL
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing SSL in Central London over the 6 months to 4 April 2020.

Daily rate histogram for SSL in Central London

SSL
Contractor Hourly Rate Trend in Central London

3-month moving average hourly rates quoted in jobs citing SSL in Central London.

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 4 April 2020. 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 +46 18 £625 +8.70% 3
City of Westminster +8 1 £750 +50.00%
Camden - 1 £310 -
SSL
London

For the 6 months to 4 April 2020, 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 14 (56.00%) HTTP
2 12 (48.00%) TCP/IP
2 12 (48.00%) Kubernetes
3 11 (44.00%) DNS
3 11 (44.00%) Java
3 11 (44.00%) Agile Software Development
4 10 (40.00%) Git (software)
5 9 (36.00%) Spring
5 9 (36.00%) Docker
5 9 (36.00%) Microservices
5 9 (36.00%) REST
5 9 (36.00%) Elasticsearch
6 8 (32.00%) Jenkins
6 8 (32.00%) Terraform
6 8 (32.00%) SOAP
6 8 (32.00%) Guice
6 8 (32.00%) AWS
7 7 (28.00%) Linux
7 7 (28.00%) Spring Boot
7 7 (28.00%) Kafka
7 7 (28.00%) Java 8
8 6 (24.00%) Docker Swarm
8 6 (24.00%) Ember.js
8 6 (24.00%) AngularJS
8 6 (24.00%) Gradle
8 6 (24.00%) OAuth2
8 6 (24.00%) TypeScript
8 6 (24.00%) Dropwizard
8 6 (24.00%) Ratpack
8 6 (24.00%) GitLab

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 9 (36.00%) Elasticsearch
2 4 (16.00%) IIS
2 4 (16.00%) SharePoint
2 4 (16.00%) SharePoint 2010
2 4 (16.00%) SharePoint 2013
3 1 (4.00%) Apache Spark
3 1 (4.00%) Tomcat
3 1 (4.00%) WebLogic
Business Applications
1 1 (4.00%) Magento
1 1 (4.00%) Shopify
Cloud Services
1 8 (32.00%) AWS
2 5 (20.00%) Azure
3 3 (12.00%) Amazon EKS
3 3 (12.00%) Amazon SQS
3 3 (12.00%) GitHub
3 3 (12.00%) PaaS
3 3 (12.00%) Route 53
4 2 (8.00%) GCP
5 1 (4.00%) Cloud Computing
5 1 (4.00%) Heroku
5 1 (4.00%) Office 365
Communications & Networking
1 14 (56.00%) HTTP
2 12 (48.00%) TCP/IP
3 11 (44.00%) DNS
4 6 (24.00%) FTP
5 5 (20.00%) Internet
6 3 (12.00%) Firewall
6 3 (12.00%) Kerberos
6 3 (12.00%) VPN
7 2 (8.00%) DHCP
7 2 (8.00%) HTTPS
7 2 (8.00%) IPsec
7 2 (8.00%) SNMP
8 1 (4.00%) Cisco ASA
8 1 (4.00%) F5 BIG-IP LTM
8 1 (4.00%) HSRP
8 1 (4.00%) Junos
8 1 (4.00%) MPLS
8 1 (4.00%) NAS
8 1 (4.00%) Reverse Proxy
8 1 (4.00%) VLAN
Database & Business Intelligence
1 6 (24.00%) MongoDB
2 3 (12.00%) PostgreSQL
2 3 (12.00%) Redis
3 2 (8.00%) NoSQL
4 1 (4.00%) RDBMS
4 1 (4.00%) Relational Database
4 1 (4.00%) SQL Server
Development Applications
1 10 (40.00%) Git (software)
2 8 (32.00%) Jenkins
3 6 (24.00%) GitLab
3 6 (24.00%) Gradle
4 5 (20.00%) Gatling
4 5 (20.00%) Geb
4 5 (20.00%) Spock
5 1 (4.00%) Bitbucket
5 1 (4.00%) gulp
5 1 (4.00%) JIRA
5 1 (4.00%) JUnit
5 1 (4.00%) Team Foundation Server
General
1 5 (20.00%) Finance
2 1 (4.00%) Banking
2 1 (4.00%) Marketing
2 1 (4.00%) Public Sector
Job Titles
1 9 (36.00%) Developer
2 8 (32.00%) Java Developer
3 5 (20.00%) Agile Developer
3 5 (20.00%) Agile Java Developer
4 4 (16.00%) Consultant
4 4 (16.00%) SharePoint Consultant
5 3 (12.00%) Cloud Engineer
5 3 (12.00%) Platform Engineer
6 2 (8.00%) Network Engineer
7 1 (4.00%) Architect
7 1 (4.00%) Citrix Engineer
7 1 (4.00%) Cloud Developer
7 1 (4.00%) Infrastructure Engineer
7 1 (4.00%) Integration Manager
7 1 (4.00%) Lead Architect
7 1 (4.00%) Lead Developer
7 1 (4.00%) Salesforce Developer
7 1 (4.00%) Security Consultant
7 1 (4.00%) Senior Citrix Engineer
7 1 (4.00%) Technical Leader
Libraries, Frameworks & Software Standards
1 9 (36.00%) REST
1 9 (36.00%) Spring
2 8 (32.00%) Guice
2 8 (32.00%) SOAP
3 7 (28.00%) Kafka
3 7 (28.00%) Spring Boot
4 6 (24.00%) AngularJS
4 6 (24.00%) Dropwizard
4 6 (24.00%) Ember.js
4 6 (24.00%) OAuth
4 6 (24.00%) OAuth2
4 6 (24.00%) Ratpack
5 5 (20.00%) WireMock
6 3 (12.00%) Elastic Stack
6 3 (12.00%) RESTful
6 3 (12.00%) XML
7 2 (8.00%) JAAS
7 2 (8.00%) Middleware
7 2 (8.00%) SAML
7 2 (8.00%) XSLT
Miscellaneous
1 2 (8.00%) Analytical Skills
2 1 (4.00%) Algorithms
2 1 (4.00%) Clustering
2 1 (4.00%) Mobile App
Operating Systems
1 7 (28.00%) Linux
Processes & Methodologies
1 11 (44.00%) Agile Software Development
2 9 (36.00%) Microservices
3 6 (24.00%) Continuous Integration
3 6 (24.00%) Domain-Driven Design
3 6 (24.00%) OWASP
3 6 (24.00%) Software Engineering
4 5 (20.00%) BDD
4 5 (20.00%) Continuous Delivery
4 5 (20.00%) Digital Transformation Programme
4 5 (20.00%) High Availability
4 5 (20.00%) Problem-Solving
4 5 (20.00%) TDD
5 4 (16.00%) Data Management
5 4 (16.00%) Proactive Monitoring
5 4 (16.00%) SDLC
5 4 (16.00%) Security Management
5 4 (16.00%) Security Patching
6 3 (12.00%) Infrastructure as Code
6 3 (12.00%) Task Automation
7 2 (8.00%) Migration
Programming Languages
1 11 (44.00%) Java
2 7 (28.00%) Java 8
3 6 (24.00%) JavaScript
3 6 (24.00%) TypeScript
4 5 (20.00%) PowerShell
5 4 (16.00%) Python
5 4 (16.00%) Ruby
6 3 (12.00%) Bash Shell
6 3 (12.00%) Go
6 3 (12.00%) SQL
7 2 (8.00%) C#
8 1 (4.00%) ES6
8 1 (4.00%) Haskell
8 1 (4.00%) Kotlin
8 1 (4.00%) PHP
8 1 (4.00%) Scala
8 1 (4.00%) VB.NET
Qualifications
1 2 (8.00%) CCNP
1 2 (8.00%) Cisco Certification
Quality Assurance & Compliance
1 1 (4.00%) ISO/IEC 20000
1 1 (4.00%) SLA
System Software
1 9 (36.00%) Docker
2 3 (12.00%) Active Directory
3 2 (8.00%) VMware Infrastructure
4 1 (4.00%) Firmware
4 1 (4.00%) VMware ESXi
Systems Management
1 12 (48.00%) Kubernetes
2 8 (32.00%) Terraform
3 6 (24.00%) Docker Swarm
4 4 (16.00%) Prometheus
5 1 (4.00%) Opscode Chef
5 1 (4.00%) Puppet
5 1 (4.00%) Single Sign-On
5 1 (4.00%) Zipkin
Vendors
1 5 (20.00%) F5
2 3 (12.00%) Cisco
2 3 (12.00%) Lets Encrypt
3 2 (8.00%) Juniper
3 2 (8.00%) VMware
4 1 (4.00%) Aruba
4 1 (4.00%) Citrix
4 1 (4.00%) Demandware
4 1 (4.00%) Fortinet
4 1 (4.00%) HP
4 1 (4.00%) hybris
4 1 (4.00%) Meraki
4 1 (4.00%) Netezza
4 1 (4.00%) Oracle
4 1 (4.00%) Palo Alto
4 1 (4.00%) Salesforce Marketing Cloud
4 1 (4.00%) Salesforce.com
4 1 (4.00%) WooCommerce
4 1 (4.00%) Workday