Period
to 7 August 2020

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 August 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)
Central London > City of London
6 months to
7 Aug 2020
Same period 2019 Same period 2018
Rank 123 219 176
Rank change year-on-year +96 -43 +15
Contract jobs citing SSL 12 23 81
As % of all contract jobs advertised in the City of London 0.54% 0.35% 1.16%
As % of the Communications & Networking category 5.06% 3.24% 9.35%
Number of daily rates quoted 14 19 64
Median daily rate £599 £550 £519
Median daily rate % change year-on-year +8.91% +6.02% -5.68%
10th Percentile £456 £419 £408
90th Percentile £636 £675 £713
Central London median daily rate £630 £550 £513
% change year-on-year +14.55% +7.32% -6.82%
Number of hourly rates quoted 0 0 0
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 237 709 866
As % of all contract IT jobs advertised in the City of London 10.63% 10.90% 12.44%
Number of daily rates quoted 167 529 681
Median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% -
10th Percentile £255 £208 £205
90th Percentile £638 £661 £638
Central London median daily rate £475 £475 £450
% change year-on-year - +5.56% -
Number of hourly rates quoted 5 15 26
Median hourly rate £37.50 £32.50 £18.85
Median hourly rate % change year-on-year +15.38% +72.41% -10.90%
10th Percentile £35.00 £13.85 £14.50
90th Percentile £49.35 £44.80 £34.13
Median hourly rate £36.25 £32.50 £19.00
% change year-on-year +11.54% +71.05% -10.19%

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 August 2020.

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 August 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 City of London region with a requirement for SSL.

1 10 (83.33%) Finance
2 9 (75.00%) Java
2 9 (75.00%) SQL
2 9 (75.00%) Azure
2 9 (75.00%) AWS
2 9 (75.00%) SDLC
3 8 (66.67%) Docker
3 8 (66.67%) Microservices
3 8 (66.67%) GCP
3 8 (66.67%) Kubernetes
3 8 (66.67%) Continuous Delivery
3 8 (66.67%) Dependency Injection
3 8 (66.67%) Guice
3 8 (66.67%) Test Automation
3 8 (66.67%) RESTful
3 8 (66.67%) NoSQL
3 8 (66.67%) Agile Software Development
3 8 (66.67%) Spring
3 8 (66.67%) AOP
3 8 (66.67%) Spring Security
3 8 (66.67%) Continuous Integration
3 8 (66.67%) JAAS
3 8 (66.67%) HTTPS
4 3 (25.00%) HTTP
4 3 (25.00%) Mathematics
4 3 (25.00%) Computer Science
4 3 (25.00%) Software Engineering
4 3 (25.00%) Scala
4 3 (25.00%) Prometheus
4 3 (25.00%) Java 8

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 3 (25.00%) Apache Spark
2 2 (16.67%) Tomcat
3 1 (8.33%) Apache
3 1 (8.33%) WebLogic
Cloud Services
1 9 (75.00%) AWS
1 9 (75.00%) Azure
2 8 (66.67%) GCP
3 1 (8.33%) Cloud Computing
Communications & Networking
1 8 (66.67%) HTTPS
2 3 (25.00%) HTTP
3 2 (16.67%) DNS
4 1 (8.33%) BGP
4 1 (8.33%) Cisco ASA
4 1 (8.33%) DHCP
4 1 (8.33%) F5 BIG-IP LTM
4 1 (8.33%) Firewall
4 1 (8.33%) HSRP
4 1 (8.33%) Junos
4 1 (8.33%) MPLS
4 1 (8.33%) NetScreen
4 1 (8.33%) OSPF
4 1 (8.33%) SNMP
4 1 (8.33%) TCP/IP
4 1 (8.33%) VLAN
4 1 (8.33%) VPN
4 1 (8.33%) VRRP
Database & Business Intelligence
1 8 (66.67%) NoSQL
2 1 (8.33%) SQL Server
2 1 (8.33%) SQL Server 2016
General
1 10 (83.33%) Finance
Job Titles
1 8 (66.67%) Developer
1 8 (66.67%) Java Developer
2 2 (16.67%) Network Engineer
3 1 (8.33%) Site Engineer
3 1 (8.33%) Site Reliability Engineer
3 1 (8.33%) Support Engineer
3 1 (8.33%) Web Engineer
3 1 (8.33%) Web Support Engineer
Libraries, Frameworks & Software Standards
1 8 (66.67%) Guice
1 8 (66.67%) JAAS
1 8 (66.67%) RESTful
1 8 (66.67%) Spring
1 8 (66.67%) Spring Security
2 3 (25.00%) Kafka
3 2 (16.67%) Middleware
3 2 (16.67%) XML
4 1 (8.33%) JSON
4 1 (8.33%) REST
4 1 (8.33%) SAML
4 1 (8.33%) SOAP
4 1 (8.33%) Web Services
4 1 (8.33%) XSLT
Miscellaneous
1 1 (8.33%) Analytical Skills
1 1 (8.33%) Clustering
Operating Systems
1 1 (8.33%) Windows
1 1 (8.33%) Windows Server
1 1 (8.33%) Windows Server 2016
Processes & Methodologies
1 9 (75.00%) SDLC
2 8 (66.67%) Agile Software Development
2 8 (66.67%) AOP
2 8 (66.67%) Continuous Delivery
2 8 (66.67%) Continuous Integration
2 8 (66.67%) Dependency Injection
2 8 (66.67%) Microservices
2 8 (66.67%) Test Automation
3 3 (25.00%) Computer Science
3 3 (25.00%) Mathematics
3 3 (25.00%) Software Engineering
4 2 (16.67%) Continuous Improvement
4 2 (16.67%) ITIL
5 1 (8.33%) Cybersecurity
5 1 (8.33%) High Availability
5 1 (8.33%) ITIL V3
5 1 (8.33%) Performance Monitoring
5 1 (8.33%) Performance Tuning
5 1 (8.33%) Technical Analysis
5 1 (8.33%) Web Application Development
Programming Languages
1 9 (75.00%) Java
1 9 (75.00%) SQL
2 3 (25.00%) Java 8
2 3 (25.00%) Kotlin
2 3 (25.00%) Scala
3 1 (8.33%) PowerShell
Qualifications
1 2 (16.67%) CCNP
1 2 (16.67%) Cisco Certification
Quality Assurance & Compliance
1 1 (8.33%) Cyber Essentials
1 1 (8.33%) GDPR
1 1 (8.33%) HIPAA
1 1 (8.33%) ISO/IEC 20000
1 1 (8.33%) ISO/IEC 27001
System Software
1 8 (66.67%) Docker
2 1 (8.33%) VMware Infrastructure
Systems Management
1 8 (66.67%) Kubernetes
2 3 (25.00%) Prometheus
2 3 (25.00%) Zipkin
Vendors
1 2 (16.67%) Cisco
1 2 (16.67%) F5
1 2 (16.67%) Juniper
2 1 (8.33%) Aruba
2 1 (8.33%) HP
2 1 (8.33%) Palo Alto
2 1 (8.33%) VMware
2 1 (8.33%) Workday