Period
to 18 February 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 18 February 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
18 Feb 2020
Same period 2019 Same period 2018
Rank 194 218 195
Rank change year-on-year +24 -23 -8
Contract jobs citing SSL 31 58 82
As % of all contract IT jobs advertised in Central London 0.52% 0.65% 0.93%
As % of the Communications & Networking category 4.74% 6.00% 8.38%
Number of daily rates quoted 23 55 68
Central London median daily rate £625 £525 £550
Median daily rate % change year-on-year +19.05% -4.55% +29.41%
10th Percentile £375 £311 £305
90th Percentile £698 £725 £625
London median daily rate £550 £550 £550
Number of hourly rates quoted 0 0 0
Central London 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 654 966 979
As % of all contract IT jobs advertised in Central London 10.96% 10.87% 11.09%
Number of daily rates quoted 478 722 748
Central London median daily rate £425 £438 £445
Median daily rate % change year-on-year -2.86% -1.69% -1.11%
10th Percentile £190 £163 £213
90th Percentile £650 £638 £613
London median daily rate £438 £475 £450
% change year-on-year -7.89% +5.56% -
Number of hourly rates quoted 13 30 17
Central London median hourly rate £20.00 £18.88 £15.50
Median hourly rate % change year-on-year +5.93% +21.81% -18.42%
10th Percentile £16.50 £13.00 £11.25
90th Percentile £36.80 £28.10 £22.20
London median hourly rate £19.46 £24.23 £19.32
% change year-on-year -19.71% +25.41% -11.06%

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 18 February 2020.

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 18 February 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 +42 25 £650 +9.47% 11
City of Westminster -1 1 £750 +50.00% 1
Camden - 1 £310 -
SSL
London

For the 6 months to 18 February 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 19 (61.29%) HTTP
2 18 (58.06%) TCP/IP
2 18 (58.06%) DNS
3 15 (48.39%) Git (software)
3 15 (48.39%) Kubernetes
4 14 (45.16%) REST
4 14 (45.16%) Java
5 13 (41.94%) Linux
5 13 (41.94%) SOAP
6 12 (38.71%) FTP
6 12 (38.71%) Agile Software Development
6 12 (38.71%) Spring
6 12 (38.71%) Elasticsearch
6 12 (38.71%) Docker
6 12 (38.71%) Microservices
6 12 (38.71%) Spring Boot
6 12 (38.71%) Terraform
7 11 (35.48%) Dropwizard
7 11 (35.48%) Java 8
7 11 (35.48%) GitLab
7 11 (35.48%) Ratpack
7 11 (35.48%) Docker Swarm
7 11 (35.48%) OAuth2
7 11 (35.48%) TypeScript
7 11 (35.48%) Gradle
7 11 (35.48%) Kafka
7 11 (35.48%) Domain-Driven Design
7 11 (35.48%) OAuth
7 11 (35.48%) Guice
7 11 (35.48%) OWASP

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 12 (38.71%) Elasticsearch
2 4 (12.90%) IIS
3 3 (9.68%) SharePoint
3 3 (9.68%) SharePoint 2010
3 3 (9.68%) SharePoint 2013
4 1 (3.23%) Apache
4 1 (3.23%) Tomcat
4 1 (3.23%) WebLogic
Business Applications
1 1 (3.23%) Magento
1 1 (3.23%) Shopify
Cloud Services
1 8 (25.81%) AWS
2 5 (16.13%) Amazon SQS
3 4 (12.90%) Azure
4 3 (9.68%) Amazon EKS
4 3 (9.68%) GitHub
4 3 (9.68%) PaaS
4 3 (9.68%) Route 53
5 2 (6.45%) Cloud Computing
6 1 (3.23%) Heroku
6 1 (3.23%) Office 365
Communications & Networking
1 19 (61.29%) HTTP
2 18 (58.06%) DNS
2 18 (58.06%) TCP/IP
3 12 (38.71%) FTP
4 5 (16.13%) Firewall
5 4 (12.90%) DHCP
5 4 (12.90%) Internet
5 4 (12.90%) IPsec
5 4 (12.90%) VPN
6 3 (9.68%) BGP
6 3 (9.68%) SNMP
7 2 (6.45%) Cisco ASA
7 2 (6.45%) HSRP
7 2 (6.45%) Kerberos
7 2 (6.45%) MPLS
7 2 (6.45%) OSPF
7 2 (6.45%) VRRP
8 1 (3.23%) F5 BIG-IP LTM
8 1 (3.23%) GLBP
8 1 (3.23%) OpenLDAP
Database & Business Intelligence
1 9 (29.03%) MongoDB
2 6 (19.35%) PostgreSQL
3 3 (9.68%) Redis
4 2 (6.45%) SQL Server
5 1 (3.23%) RDBMS
5 1 (3.23%) Relational Database
Development Applications
1 15 (48.39%) Git (software)
2 11 (35.48%) GitLab
2 11 (35.48%) Gradle
3 10 (32.26%) Gatling
3 10 (32.26%) Geb
3 10 (32.26%) Jenkins
3 10 (32.26%) Spock
4 4 (12.90%) gulp
5 2 (6.45%) JIRA
6 1 (3.23%) Bitbucket
6 1 (3.23%) JUnit
6 1 (3.23%) Octopus Deploy
6 1 (3.23%) Team Foundation Server
General
1 3 (9.68%) Finance
2 2 (6.45%) Marketing
3 1 (3.23%) Banking
3 1 (3.23%) Games
3 1 (3.23%) Public Sector
Job Titles
1 12 (38.71%) Developer
2 11 (35.48%) Java Developer
3 8 (25.81%) Agile Developer
3 8 (25.81%) Agile Java Developer
4 3 (9.68%) Cloud Engineer
4 3 (9.68%) Consultant
4 3 (9.68%) Platform Engineer
4 3 (9.68%) SharePoint Consultant
5 2 (6.45%) Architect
5 2 (6.45%) Network Engineer
6 1 (3.23%) Administrator
6 1 (3.23%) Applications Specialist
6 1 (3.23%) Applications Support
6 1 (3.23%) E-Commerce Manager
6 1 (3.23%) Lead Developer
6 1 (3.23%) Linux Administrator
6 1 (3.23%) Security Consultant
6 1 (3.23%) Support Specialist
6 1 (3.23%) Systems Administrator
6 1 (3.23%) Technical Support
Libraries, Frameworks & Software Standards
1 14 (45.16%) REST
2 13 (41.94%) SOAP
3 12 (38.71%) Spring
3 12 (38.71%) Spring Boot
4 11 (35.48%) Dropwizard
4 11 (35.48%) Guice
4 11 (35.48%) Kafka
4 11 (35.48%) OAuth
4 11 (35.48%) OAuth2
4 11 (35.48%) Ratpack
5 10 (32.26%) WireMock
6 9 (29.03%) AngularJS
6 9 (29.03%) Ember.js
7 4 (12.90%) CSS
7 4 (12.90%) HTML
8 3 (9.68%) Elastic Stack
8 3 (9.68%) HTML5
8 3 (9.68%) XML
9 2 (6.45%) Web Services
9 2 (6.45%) XSLT
Miscellaneous
1 2 (6.45%) Analytical Skills
2 1 (3.23%) Algorithms
2 1 (3.23%) Clustering
2 1 (3.23%) Data Centre
2 1 (3.23%) Mobile App
Operating Systems
1 13 (41.94%) Linux
2 1 (3.23%) Unix
Processes & Methodologies
1 12 (38.71%) Agile Software Development
1 12 (38.71%) Microservices
2 11 (35.48%) Domain-Driven Design
2 11 (35.48%) OWASP
3 10 (32.26%) BDD
3 10 (32.26%) Software Engineering
3 10 (32.26%) TDD
4 8 (25.81%) Digital Transformation Programme
5 6 (19.35%) Problem-Solving
6 5 (16.13%) High Availability
7 4 (12.90%) Continuous Integration
7 4 (12.90%) DevOps
8 3 (9.68%) Continuous Delivery
8 3 (9.68%) Data Management
8 3 (9.68%) Infrastructure as Code
8 3 (9.68%) Migration
8 3 (9.68%) Proactive Monitoring
8 3 (9.68%) Security Management
8 3 (9.68%) Security Patching
8 3 (9.68%) Task Automation
Programming Languages
1 14 (45.16%) Java
2 11 (35.48%) Java 8
2 11 (35.48%) TypeScript
3 8 (25.81%) JavaScript
4 4 (12.90%) PowerShell
4 4 (12.90%) Python
4 4 (12.90%) Ruby
5 3 (9.68%) Bash Shell
5 3 (9.68%) ES6
5 3 (9.68%) Go
6 2 (6.45%) C#
6 2 (6.45%) SQL
7 1 (3.23%) Haskell
7 1 (3.23%) PHP
7 1 (3.23%) VB.NET
Qualifications
1 2 (6.45%) CCNP
1 2 (6.45%) Cisco Certification
2 1 (3.23%) SC Cleared
2 1 (3.23%) Security Cleared
Quality Assurance & Compliance
1 1 (3.23%) ISO/IEC 20000
1 1 (3.23%) SLA
System Software
1 12 (38.71%) Docker
2 4 (12.90%) Active Directory
3 2 (6.45%) VMware Infrastructure
4 1 (3.23%) Firmware
4 1 (3.23%) VMware ESXi
Systems Management
1 15 (48.39%) Kubernetes
2 12 (38.71%) Terraform
3 11 (35.48%) Docker Swarm
4 3 (9.68%) Prometheus
5 1 (3.23%) Opscode Chef
5 1 (3.23%) Puppet
5 1 (3.23%) SELinux
5 1 (3.23%) Single Sign-On
Vendors
1 5 (16.13%) Cisco
2 4 (12.90%) F5
3 3 (9.68%) Lets Encrypt
4 2 (6.45%) Aruba
4 2 (6.45%) HP
4 2 (6.45%) Juniper
4 2 (6.45%) Palo Alto
4 2 (6.45%) VMware
5 1 (3.23%) Blue Coat
5 1 (3.23%) CheckPoint
5 1 (3.23%) Citrix
5 1 (3.23%) Demandware
5 1 (3.23%) Extreme Networks
5 1 (3.23%) Fortinet
5 1 (3.23%) hybris
5 1 (3.23%) Meraki
5 1 (3.23%) Netezza
5 1 (3.23%) Oracle
5 1 (3.23%) Salesforce Marketing Cloud
5 1 (3.23%) Salesforce.com