Period
to 7 May 2021

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 7 May 2021 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
7 May 2021
Same period 2020 Same period 2019
Rank 147 144 201
Rank change year-on-year -3 +57 -28
Contract jobs citing SSL 6 19 45
As % of all contract jobs advertised in the City of London 0.22% 0.54% 0.69%
As % of the Communications & Networking category 2.20% 5.62% 6.09%
Number of daily rates quoted 6 14 38
10th Percentile £463 £433 £313
25th Percentile £513 £463 £463
Median daily rate (50th Percentile) £550 £628 £575
Median % change year-on-year -12.35% +9.13% +4.64%
75th Percentile £638 £637 £675
90th Percentile £656 £695 £725
Central London median daily rate £550 £568 £550
% change year-on-year -3.17% +3.27% +1.85%

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 273 338 739
As % of all contract IT jobs advertised in the City of London 10.05% 9.64% 11.32%
Number of daily rates quoted 209 244 562
10th Percentile £336 £206 £203
25th Percentile £405 £338 £363
Median daily rate (50th Percentile) £500 £450 £475
Median % change year-on-year +11.11% -5.26% +5.56%
75th Percentile £575 £575 £575
90th Percentile £675 £650 £656
Central London median daily rate £500 £450 £475
% change year-on-year +11.11% -5.26% +5.56%
Number of hourly rates quoted 2 8 19
10th Percentile £11.98 £16.39 £17.76
25th Percentile £12.69 £18.70 £18.70
Median hourly rate £14.75 £31.75 £22.50
Median % change year-on-year -53.54% +41.11% +18.42%
75th Percentile £17.19 £42.25 £37.50
90th Percentile £18.13 £52.83 £43.37
Central London median hourly rate £15.75 £30.05 £21.75
% change year-on-year -47.59% +38.16% +16.31%

SSL
Job Vacancy Trend in the City of London

Job postings citing SSL as a proportion 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

3-month moving average daily rate quoted in jobs citing SSL in the City of London.

Daily rate trend for SSL in the City of London

SSL
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing SSL in the City of London over the 6 months to 7 May 2021.

Daily rate histogram for SSL in the City of London

SSL
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing SSL in the City of London.

Hourly rate trend for SSL in the City of London

For the 6 months to 7 May 2021, 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 4 (66.67%) DNS
2 3 (50.00%) Java
2 3 (50.00%) Linux
2 3 (50.00%) Spring
2 3 (50.00%) REST
3 2 (33.33%) Kafka
3 2 (33.33%) Ember.js
3 2 (33.33%) AngularJS
3 2 (33.33%) Gradle
3 2 (33.33%) Jenkins
3 2 (33.33%) Elasticsearch
3 2 (33.33%) OAuth2
3 2 (33.33%) Opscode Chef
3 2 (33.33%) TypeScript
3 2 (33.33%) Docker
3 2 (33.33%) DevOps
3 2 (33.33%) Microservices
3 2 (33.33%) Spock
3 2 (33.33%) Geb
3 2 (33.33%) GitLab
3 2 (33.33%) Kubernetes
3 2 (33.33%) Ratpack
3 2 (33.33%) Spring Boot
3 2 (33.33%) Terraform
3 2 (33.33%) Sonatype Nexus
3 2 (33.33%) Gatling
3 2 (33.33%) Dropwizard
3 2 (33.33%) WireMock
3 2 (33.33%) Docker Swarm
3 2 (33.33%) Digital Transformation Programme

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 2 (33.33%) Elasticsearch
2 1 (16.67%) JBoss
2 1 (16.67%) Tomcat
Cloud Services
1 2 (33.33%) Amazon EC2
1 2 (33.33%) Amazon S3
1 2 (33.33%) AWS
Communications & Networking
1 4 (66.67%) DNS
2 2 (33.33%) FTP
2 2 (33.33%) HTTP
2 2 (33.33%) TCP/IP
Database & Business Intelligence
1 2 (33.33%) MongoDB
Development Applications
1 2 (33.33%) Gatling
1 2 (33.33%) Geb
1 2 (33.33%) Git (software)
1 2 (33.33%) GitLab
1 2 (33.33%) Gradle
1 2 (33.33%) Jenkins
1 2 (33.33%) Sonatype Nexus
1 2 (33.33%) Spock
General
1 1 (16.67%) Banking
Job Titles
1 3 (50.00%) Developer
2 2 (33.33%) Architect
2 2 (33.33%) Java Developer
3 1 (16.67%) Applications Developer
3 1 (16.67%) Linux Engineer
3 1 (16.67%) SC Cleared Java Developer
3 1 (16.67%) ServiceNow Developer
Libraries, Frameworks & Software Standards
1 3 (50.00%) REST
1 3 (50.00%) Spring
2 2 (33.33%) AngularJS
2 2 (33.33%) Dropwizard
2 2 (33.33%) Ember.js
2 2 (33.33%) Guice
2 2 (33.33%) Kafka
2 2 (33.33%) OAuth
2 2 (33.33%) OAuth2
2 2 (33.33%) Ratpack
2 2 (33.33%) SOAP
2 2 (33.33%) Spring Boot
2 2 (33.33%) WireMock
3 1 (16.67%) JDBC
3 1 (16.67%) LDAP
3 1 (16.67%) ODBC
3 1 (16.67%) SAML
3 1 (16.67%) Web Services
Operating Systems
1 3 (50.00%) Linux
2 1 (16.67%) Unix
2 1 (16.67%) VMS
2 1 (16.67%) Windows
Processes & Methodologies
1 2 (33.33%) BDD
1 2 (33.33%) DevOps
1 2 (33.33%) Digital Transformation Programme
1 2 (33.33%) Domain-Driven Design
1 2 (33.33%) Microservices
1 2 (33.33%) OWASP
1 2 (33.33%) Software Engineering
1 2 (33.33%) TDD
2 1 (16.67%) Agile Software Development
2 1 (16.67%) Business Analysis
2 1 (16.67%) SDLC
Programming Languages
1 3 (50.00%) Java
2 2 (33.33%) Java 8
2 2 (33.33%) Python
2 2 (33.33%) TypeScript
3 1 (16.67%) JavaScript
Qualifications
1 1 (16.67%) SC Cleared
1 1 (16.67%) Security Cleared
System Software
1 2 (33.33%) Docker
Systems Management
1 2 (33.33%) Docker Swarm
1 2 (33.33%) Kubernetes
1 2 (33.33%) Opscode Chef
1 2 (33.33%) Terraform
2 1 (16.67%) Single Sign-On
Vendors
1 1 (16.67%) ServiceNow