Period
to 31 May 2020

The following table provides summary statistics for contract job vacancies advertised in 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 31 May 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)
England > London
6 months to
31 May 2020
Same period 2019 Same period 2018
Rank 281 359 298
Rank change year-on-year +78 -61 +20
Contract jobs citing SSL 134 239 394
As % of all contract jobs advertised in London 0.70% 0.59% 0.86%
As % of the Communications & Networking category 6.45% 5.67% 7.04%
Number of daily rates quoted 93 170 280
Median daily rate £550 £550 £550
10th Percentile £353 £350 £313
90th Percentile £725 £675 £702
England median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
England median hourly rate - £25.67 £31.50
% change year-on-year - -18.51% +133.33%

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 London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Contract vacancies with a requirement for communications or computer networking skills 2,077 4,216 5,594
As % of all contract IT jobs advertised in London 10.80% 10.44% 12.24%
Number of daily rates quoted 1,360 2,869 3,873
Median daily rate £450 £475 £450
Median daily rate % change year-on-year -5.26% +5.56% -
10th Percentile £213 £227 £213
90th Percentile £650 £650 £625
England median daily rate £425 £438 £425
% change year-on-year -2.86% +2.94% +2.41%
Number of hourly rates quoted 69 98 166
Median hourly rate £35.00 £24.75 £20.00
Median hourly rate % change year-on-year +41.41% +23.75% -19.55%
10th Percentile £16.75 £14.61 £13.19
90th Percentile £51.90 £52.88 £47.83
Median hourly rate £25.00 £20.00 £20.00
% change year-on-year +25.00% - +0.50%

SSL
Job Vacancy Trend in London

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

Job vacancy trend for SSL in London

SSL
Contractor Daily Rate Trend in London

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

Daily rate trend for SSL in London

SSL
Daily Rate Histogram in London

Daily rate distribution for jobs citing SSL in London over the 6 months to 31 May 2020.

Daily rate histogram for SSL in London

SSL
Contractor Hourly Rate Trend in London

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

Hourly rate trend for SSL in London

SSL
Contract Job Locations in 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 London region over the 6 months to 31 May 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
Central London +84 26 £625 +13.64% 3
West London +46 3 £319 -25.00%
East London +53 2 £575 -
South London +35 1 - -
SSL
England

For the 6 months to 31 May 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 London region with a requirement for SSL.

1 70 (52.24%) Java
2 68 (50.75%) Agile Software Development
3 58 (43.28%) AWS
4 50 (37.31%) Docker
5 48 (35.82%) Kubernetes
6 47 (35.07%) SQL
7 44 (32.84%) HTTP
8 43 (32.09%) Azure
9 42 (31.34%) DevOps
9 42 (31.34%) Firewall
10 40 (29.85%) DNS
10 40 (29.85%) Continuous Integration
11 38 (28.36%) Microservices
12 37 (27.61%) HTTPS
13 36 (26.87%) Spring
14 31 (23.13%) GCP
15 30 (22.39%) Continuous Delivery
15 30 (22.39%) Kafka
15 30 (22.39%) SDLC
15 30 (22.39%) Finance
16 29 (21.64%) JAAS
16 29 (21.64%) Spring Security
16 29 (21.64%) Prometheus
16 29 (21.64%) Apache Spark
17 28 (20.90%) Problem-Solving
17 28 (20.90%) Guice
17 28 (20.90%) Software Engineering
18 27 (20.15%) AOP
18 27 (20.15%) RESTful
18 27 (20.15%) Dependency Injection

SSL
Co-occurring IT Skills in 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 29 (21.64%) Apache Spark
2 23 (17.16%) Apache
3 19 (14.18%) Tomcat
4 11 (8.21%) Apache Solr
5 10 (7.46%) Elasticsearch
6 9 (6.72%) IIS
6 9 (6.72%) SharePoint
6 9 (6.72%) SharePoint 2010
6 9 (6.72%) SharePoint 2013
7 5 (3.73%) Confluence
7 5 (3.73%) WebLogic
7 5 (3.73%) WebSphere
8 3 (2.24%) JBoss
9 2 (1.49%) nginx
10 1 (0.75%) JCAPS
10 1 (0.75%) Oracle SOA Suite
10 1 (0.75%) WebSphere Application Server
Business Applications
1 1 (0.75%) Magento
1 1 (0.75%) Shopify
Cloud Services
1 58 (43.28%) AWS
2 43 (32.09%) Azure
3 31 (23.13%) GCP
4 14 (10.45%) SaaS
5 11 (8.21%) Amazon EKS
5 11 (8.21%) PaaS
6 9 (6.72%) Route 53
7 8 (5.97%) GitHub
8 7 (5.22%) Amazon SQS
9 3 (2.24%) Cloud Computing
9 3 (2.24%) IaaS
9 3 (2.24%) OpenShift
10 2 (1.49%) Amazon EC2
11 1 (0.75%) Amazon CloudWatch
11 1 (0.75%) Amazon ELB
11 1 (0.75%) Amazon S3
11 1 (0.75%) Heroku
11 1 (0.75%) Office 365
Communications & Networking
1 44 (32.84%) HTTP
2 42 (31.34%) Firewall
3 40 (29.85%) DNS
4 37 (27.61%) HTTPS
5 24 (17.91%) TCP/IP
6 20 (14.93%) IPsec
6 20 (14.93%) Network Security
7 18 (13.43%) VPN
8 17 (12.69%) Internet
9 14 (10.45%) Kerberos
10 13 (9.70%) BGP
11 10 (7.46%) OSPF
12 8 (5.97%) DMZ
13 7 (5.22%) MPLS
13 7 (5.22%) SNMP
14 6 (4.48%) Cisco ASA
14 6 (4.48%) EIGRP
15 5 (3.73%) F5 BIG-IP LTM
16 4 (2.99%) HSRP
16 4 (2.99%) Junos
Database & Business Intelligence
1 27 (20.15%) NoSQL
2 16 (11.94%) SQL Server
3 12 (8.96%) SQL Server 2016
4 8 (5.97%) PostgreSQL
5 7 (5.22%) Redis
6 5 (3.73%) Apache Hive
6 5 (3.73%) Hadoop
7 4 (2.99%) HBase
7 4 (2.99%) MongoDB
7 4 (2.99%) Relational Database
7 4 (2.99%) Sqoop
8 3 (2.24%) Apache Cassandra
8 3 (2.24%) Big Data
8 3 (2.24%) RDBMS
9 1 (0.75%) Amazon RDS
9 1 (0.75%) Cloudera CDH
9 1 (0.75%) Impala
9 1 (0.75%) MySQL
9 1 (0.75%) Oracle Database
Development Applications
1 18 (13.43%) Git (software)
2 16 (11.94%) Jenkins
3 8 (5.97%) JIRA
4 7 (5.22%) Bitbucket
5 4 (2.99%) JUnit
6 3 (2.24%) GitLab
6 3 (2.24%) Gradle
6 3 (2.24%) Selenium
6 3 (2.24%) Team Foundation Server
6 3 (2.24%) TeamCity
6 3 (2.24%) WebDriver
7 2 (1.49%) Gatling
7 2 (1.49%) Geb
7 2 (1.49%) SoapUI
7 2 (1.49%) Spock
7 2 (1.49%) Subversion
8 1 (0.75%) Ant
8 1 (0.75%) ClearCase
8 1 (0.75%) ClearQuest
8 1 (0.75%) Maven
General
1 30 (22.39%) Finance
2 16 (11.94%) Public Sector
3 8 (5.97%) Banking
4 5 (3.73%) Financial Institution
5 3 (2.24%) Marketing
6 2 (1.49%) Retail Banking
6 2 (1.49%) Telecoms
7 1 (0.75%) French Language
7 1 (0.75%) German Language
7 1 (0.75%) Legal
7 1 (0.75%) Military
Job Titles
1 37 (27.61%) Developer
2 34 (25.37%) Java Developer
3 15 (11.19%) Architect
3 15 (11.19%) Network Engineer
4 13 (9.70%) Cloud Engineer
5 12 (8.96%) DevOps Engineer
6 11 (8.21%) Consultant
7 9 (6.72%) Infrastructure Architect
7 9 (6.72%) Security Engineer
7 9 (6.72%) SharePoint Consultant
8 7 (5.22%) DevSecOps Engineer
8 7 (5.22%) Platform Engineer
9 5 (3.73%) Web Engineer
10 4 (2.99%) Backend Developer
10 4 (2.99%) Cloud Developer
10 4 (2.99%) Security Consultant
11 3 (2.24%) Senior DevOps
11 3 (2.24%) Senior DevOps Engineer
11 3 (2.24%) Site Engineer
11 3 (2.24%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 36 (26.87%) Spring
2 30 (22.39%) Kafka
3 29 (21.64%) JAAS
3 29 (21.64%) Spring Security
4 28 (20.90%) Guice
5 27 (20.15%) RESTful
6 17 (12.69%) SAML
6 17 (12.69%) XML
7 14 (10.45%) LDAP
7 14 (10.45%) REST
7 14 (10.45%) SOAP
8 13 (9.70%) OAuth
8 13 (9.70%) XSLT
9 12 (8.96%) RabbitMQ
10 8 (5.97%) CSS
10 8 (5.97%) Elastic Stack
11 7 (5.22%) AngularJS
11 7 (5.22%) HTML
11 7 (5.22%) Middleware
11 7 (5.22%) Spring Boot
Miscellaneous
1 16 (11.94%) Data Centre
2 15 (11.19%) PKI
3 14 (10.45%) Virtual Team
4 10 (7.46%) Analytical Skills
5 4 (2.99%) DataPower
6 3 (2.24%) Algorithms
7 2 (1.49%) Linux Command Line
7 2 (1.49%) Public Cloud
7 2 (1.49%) Self-Motivation
8 1 (0.75%) Clustering
8 1 (0.75%) Driving Licence
8 1 (0.75%) Foreign Exchange (FX)
8 1 (0.75%) Management Information System
8 1 (0.75%) Mobile App
8 1 (0.75%) NHS
8 1 (0.75%) User Experience
Operating Systems
1 21 (15.67%) Windows
2 18 (13.43%) Linux
3 14 (10.45%) Windows Server
4 12 (8.96%) Windows Server 2016
5 4 (2.99%) Unix
6 1 (0.75%) AIX
6 1 (0.75%) Android
6 1 (0.75%) Mac OS
6 1 (0.75%) Solaris
6 1 (0.75%) SUSE
6 1 (0.75%) Windows Server 2008
Processes & Methodologies
1 68 (50.75%) Agile Software Development
2 42 (31.34%) DevOps
3 40 (29.85%) Continuous Integration
4 38 (28.36%) Microservices
5 30 (22.39%) Continuous Delivery
5 30 (22.39%) SDLC
6 28 (20.90%) Problem-Solving
6 28 (20.90%) Software Engineering
7 27 (20.15%) AOP
7 27 (20.15%) Dependency Injection
8 26 (19.40%) Test Automation
9 22 (16.42%) Load Balancing
10 19 (14.18%) ITIL
11 17 (12.69%) Mathematics
12 14 (10.45%) Computer Science
13 13 (9.70%) Migration
13 13 (9.70%) Open Source
14 12 (8.96%) Cybersecurity
14 12 (8.96%) Performance Tuning
14 12 (8.96%) Web Application Development
Programming Languages
1 70 (52.24%) Java
2 47 (35.07%) SQL
3 26 (19.40%) Java 8
3 26 (19.40%) PowerShell
4 24 (17.91%) Python
5 22 (16.42%) JavaScript
6 21 (15.67%) Kotlin
6 21 (15.67%) Scala
7 20 (14.93%) Ruby
8 17 (12.69%) Bash Shell
9 8 (5.97%) C#
9 8 (5.97%) Go
9 8 (5.97%) Shell Script
10 4 (2.99%) Haskell
10 4 (2.99%) PHP
10 4 (2.99%) PL/SQL
11 3 (2.24%) TypeScript
11 3 (2.24%) VB.NET
12 2 (1.49%) Groovy
12 2 (1.49%) XPath
Qualifications
1 14 (10.45%) Security Cleared
2 13 (9.70%) Cisco Certification
2 13 (9.70%) SC Cleared
3 9 (6.72%) CCNP
4 4 (2.99%) CCIE
4 4 (2.99%) Degree
5 3 (2.24%) BC Cleared
5 3 (2.24%) BPSS Clearance
5 3 (2.24%) DV Cleared
6 2 (1.49%) CISSP
6 2 (1.49%) ITIL Certification
7 1 (0.75%) CCSA
7 1 (0.75%) CCSP
7 1 (0.75%) CISA
7 1 (0.75%) CISM
7 1 (0.75%) DBS Check
7 1 (0.75%) GSEC
7 1 (0.75%) MCSE
7 1 (0.75%) Microsoft Certification
7 1 (0.75%) Sun Certification
Quality Assurance & Compliance
1 13 (9.70%) ISO/IEC 27001
2 12 (8.96%) Cyber Essentials
2 12 (8.96%) GDPR
2 12 (8.96%) HIPAA
2 12 (8.96%) SLA
3 7 (5.22%) SSAE 16
4 3 (2.24%) ISO/IEC 20000
4 3 (2.24%) QA
5 1 (0.75%) Data Quality
5 1 (0.75%) Disclosure Scotland
5 1 (0.75%) HL7
System Software
1 50 (37.31%) Docker
2 13 (9.70%) Active Directory
3 5 (3.73%) HDFS
4 3 (2.24%) Virtual Machines
5 2 (1.49%) VMware Infrastructure
6 1 (0.75%) iptables
6 1 (0.75%) ProxySG
6 1 (0.75%) VMware ESXi
Systems Management
1 48 (35.82%) Kubernetes
2 29 (21.64%) Prometheus
3 22 (16.42%) Zipkin
4 19 (14.18%) Opscode Chef
5 17 (12.69%) Ansible
5 17 (12.69%) Puppet
6 16 (11.94%) Single Sign-On
7 12 (8.96%) Terraform
8 4 (2.99%) Ambari
8 4 (2.99%) Hadoop YARN
8 4 (2.99%) Oozie
9 3 (2.24%) Docker Swarm
10 1 (0.75%) Consul
10 1 (0.75%) Packer
10 1 (0.75%) Salt
10 1 (0.75%) SCOM
10 1 (0.75%) Tivoli
10 1 (0.75%) WMI
Vendors
1 20 (14.93%) Cisco
2 13 (9.70%) F5
2 13 (9.70%) Splunk
3 9 (6.72%) Palo Alto
4 8 (5.97%) Lets Encrypt
5 7 (5.22%) Oracle
6 6 (4.48%) LogicMonitor
7 5 (3.73%) Cloudera
7 5 (3.73%) Juniper
7 5 (3.73%) Microsoft
8 4 (2.99%) CyberArk
8 4 (2.99%) Google
8 4 (2.99%) Hortonworks
8 4 (2.99%) IBM
9 3 (2.24%) Fortinet
9 3 (2.24%) Meraki
9 3 (2.24%) Netezza
9 3 (2.24%) Salesforce Marketing Cloud
9 3 (2.24%) Salesforce.com
10 2 (1.49%) HP