Period
to 20 April 2021

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 20 April 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)
England > London
6 months to
20 Apr 2021
Same period 2020 Same period 2019
Rank 347 309 336
Rank change year-on-year -38 +27 -37
Contract jobs citing SSL 94 129 299
As % of all contract jobs advertised in London 0.42% 0.55% 0.71%
As % of the Communications & Networking category 4.66% 4.96% 6.75%
Number of daily rates quoted 66 92 191
10th Percentile £333 £371 £408
25th Percentile £416 £450 £483
Median daily rate (50th Percentile) £524 £550 £550
Median % change year-on-year -4.77% - -
75th Percentile £575 £701 £600
90th Percentile £631 £750 £675
England median daily rate £468 £525 £515
% change year-on-year -10.95% +1.94% -1.72%

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 2,018 2,600 4,427
As % of all contract IT jobs advertised in London 9.10% 11.03% 10.48%
Number of daily rates quoted 1,396 1,823 3,057
10th Percentile £286 £200 £213
25th Percentile £380 £335 £363
Median daily rate (50th Percentile) £475 £450 £475
Median % change year-on-year +5.56% -5.26% +5.56%
75th Percentile £574 £554 £575
90th Percentile £656 £650 £650
England median daily rate £435 £425 £425
% change year-on-year +2.35% - -
Number of hourly rates quoted 17 85 97
10th Percentile £13.40 £14.37 £14.75
25th Percentile £21.25 £17.00 £18.50
Median hourly rate £23.00 £25.00 £23.13
Median % change year-on-year -8.00% +8.08% +15.65%
75th Percentile £51.00 £47.00 £37.50
90th Percentile £68.20 £50.75 £47.50
England median hourly rate £25.00 £19.50 £18.00
% change year-on-year +28.21% +8.33% -5.26%

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 20 April 2021.

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 20 April 2021. 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 +27 7 £525 -6.08% 6
West London +24 4 £200 -49.37% 7
South London +48 1 £538 -
East London +21 1 £675 +50.00% 2
SSL
England

For the 6 months to 20 April 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 London region with a requirement for SSL.

1 35 (37.23%) AWS
2 33 (35.11%) Java
3 31 (32.98%) DevOps
4 28 (29.79%) Linux
5 26 (27.66%) TCP/IP
6 25 (26.60%) Agile Software Development
7 22 (23.40%) Python
8 20 (21.28%) DNS
8 20 (21.28%) Firewall
8 20 (21.28%) Banking
8 20 (21.28%) Finance
9 19 (20.21%) VPN
9 19 (20.21%) Azure
10 18 (19.15%) Jenkins
10 18 (19.15%) Git (software)
11 16 (17.02%) Windows
12 14 (14.89%) Cisco
13 13 (13.83%) MPLS
13 13 (13.83%) SQL
13 13 (13.83%) Scrum
13 13 (13.83%) Kubernetes
14 12 (12.77%) GCP
14 12 (12.77%) RESTful
14 12 (12.77%) Spring
14 12 (12.77%) Web Services
14 12 (12.77%) OSPF
14 12 (12.77%) Juniper
14 12 (12.77%) BGP
15 11 (11.70%) HP
15 11 (11.70%) HTTP

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 10 (10.64%) Tomcat
2 9 (9.57%) Confluence
3 8 (8.51%) Apache
4 7 (7.45%) WebSphere
5 5 (5.32%) IIS
5 5 (5.32%) nginx
5 5 (5.32%) WordPress
6 4 (4.26%) WebSphere Application Server
7 3 (3.19%) Apache Airflow
7 3 (3.19%) Apache Spark
7 3 (3.19%) Jetty
7 3 (3.19%) Mongrel
7 3 (3.19%) WebLogic
7 3 (3.19%) WebLogic Portal
8 2 (2.13%) Adobe Experience Manager
8 2 (2.13%) Elasticsearch
8 2 (2.13%) JBoss
8 2 (2.13%) Red Hat Fuse
9 1 (1.06%) Mule
9 1 (1.06%) SharePoint
Applications
1 9 (9.57%) MS Visio
2 7 (7.45%) Microsoft Office
3 1 (1.06%) Microsoft PowerPoint
Business Applications
1 1 (1.06%) Dynamics CRM
1 1 (1.06%) Oracle 11i
1 1 (1.06%) Oracle EBS
1 1 (1.06%) Oracle EBS R12
Cloud Services
1 35 (37.23%) AWS
2 19 (20.21%) Azure
3 12 (12.77%) GCP
4 10 (10.64%) Virtual Private Cloud
5 7 (7.45%) Amazon EC2
5 7 (7.45%) Azure ExpressRoute
6 6 (6.38%) Amazon S3
7 5 (5.32%) GitHub
8 4 (4.26%) IaaS
9 3 (3.19%) CloudFront
9 3 (3.19%) Google App Engine
10 2 (2.13%) Amazon CloudWatch
10 2 (2.13%) Amazon Cognito
10 2 (2.13%) Amazon EKS
10 2 (2.13%) AWS CodePipeline
10 2 (2.13%) AWS Fargate
10 2 (2.13%) Firebase
10 2 (2.13%) Flurry Analytics
10 2 (2.13%) Google Analytics
10 2 (2.13%) PubNub
Communications & Networking
1 26 (27.66%) TCP/IP
2 20 (21.28%) DNS
2 20 (21.28%) Firewall
3 19 (20.21%) VPN
4 13 (13.83%) MPLS
5 12 (12.77%) BGP
5 12 (12.77%) OSPF
6 11 (11.70%) HTTP
7 10 (10.64%) EIGRP
7 10 (10.64%) HSRP
8 9 (9.57%) DHCP
9 8 (8.51%) DWDM
9 8 (8.51%) FTP
9 8 (8.51%) IPsec
9 8 (8.51%) RIP
10 7 (7.45%) WAN
10 7 (7.45%) Wireless
11 6 (6.38%) SSH
12 5 (5.32%) Kerberos
12 5 (5.32%) LAN
Database & Business Intelligence
1 8 (8.51%) MongoDB
2 7 (7.45%) NoSQL
3 4 (4.26%) Hazelcast
3 4 (4.26%) Redis
3 4 (4.26%) Relational Database
4 3 (3.19%) Apache Hive
4 3 (3.19%) Cloudera CDH
4 3 (3.19%) HBase
4 3 (3.19%) Parquet
4 3 (3.19%) RDBMS
5 2 (2.13%) BigQuery
5 2 (2.13%) Mixpanel
6 1 (1.06%) Amazon RDS
6 1 (1.06%) MySQL
6 1 (1.06%) Oracle Database
6 1 (1.06%) Oracle Database 10g
6 1 (1.06%) Oracle Database 11g
6 1 (1.06%) Oracle Database 12c
6 1 (1.06%) SQL Server
Development Applications
1 18 (19.15%) Git (software)
1 18 (19.15%) Jenkins
2 10 (10.64%) JIRA
3 7 (7.45%) gulp
4 5 (5.32%) Sonatype Nexus
5 4 (4.26%) Gatling
5 4 (4.26%) IBM UrbanCode
6 3 (3.19%) Bitbucket
6 3 (3.19%) GitLab
6 3 (3.19%) Travis CI
7 2 (2.13%) Cucumber
7 2 (2.13%) Geb
7 2 (2.13%) Gradle
7 2 (2.13%) Grunt
7 2 (2.13%) IntelliJ
7 2 (2.13%) Karma Test Runner
7 2 (2.13%) Maven
7 2 (2.13%) Selenium
7 2 (2.13%) Spock
7 2 (2.13%) Sublime Text
General
1 20 (21.28%) Banking
1 20 (21.28%) Finance
2 5 (5.32%) Public Sector
2 5 (5.32%) Retail Banking
3 4 (4.26%) Front Office
3 4 (4.26%) Investment Banking
4 2 (2.13%) Telecoms
5 1 (1.06%) Pharmaceutical
Job Titles
1 27 (28.72%) Developer
2 11 (11.70%) Consultant
2 11 (11.70%) Java Developer
3 10 (10.64%) Architect
4 5 (5.32%) AWS Engineer
4 5 (5.32%) DevOps Engineer
4 5 (5.32%) Lead Developer
4 5 (5.32%) Network Engineer
4 5 (5.32%) Senior Developer
5 4 (4.26%) Cloud Architect
5 4 (4.26%) Senior Java Developer
6 3 (3.19%) Cloud Engineer
6 3 (3.19%) Data Engineer
6 3 (3.19%) Full Stack Developer
6 3 (3.19%) Infrastructure Engineer
6 3 (3.19%) Linux Engineer
6 3 (3.19%) Network Consultant
6 3 (3.19%) Security Architect
6 3 (3.19%) Splunk Engineer
7 2 (2.13%) AWS DevOps
Libraries, Frameworks & Software Standards
1 12 (12.77%) RESTful
1 12 (12.77%) Spring
1 12 (12.77%) Web Services
2 11 (11.70%) Kafka
2 11 (11.70%) Node.js
3 10 (10.64%) REST
4 9 (9.57%) AngularJS
4 9 (9.57%) SOAP
4 9 (9.57%) Spring Boot
4 9 (9.57%) XML
5 8 (8.51%) LDAP
6 7 (7.45%) Express
7 6 (6.38%) J2EE
8 5 (5.32%) CSS
8 5 (5.32%) Django
8 5 (5.32%) HTML
8 5 (5.32%) JDBC
8 5 (5.32%) OAuth
8 5 (5.32%) SAML
8 5 (5.32%) Servlets
Miscellaneous
1 7 (7.45%) Data Structures
2 6 (6.38%) Algorithms
2 6 (6.38%) Data Centre
3 5 (5.32%) PKI
4 4 (4.26%) Analytical Skills
4 4 (4.26%) Derivative
4 4 (4.26%) Foreign Exchange (FX)
5 3 (3.19%) Clustering
5 3 (3.19%) Device Driver
5 3 (3.19%) Fixed Income
6 2 (2.13%) Linux Command Line
6 2 (2.13%) Mobile App
6 2 (2.13%) Public Cloud
6 2 (2.13%) Social Media
7 1 (1.06%) Animation
7 1 (1.06%) Cloud Native
7 1 (1.06%) DataPower
7 1 (1.06%) EMC VNX
7 1 (1.06%) User Experience
7 1 (1.06%) Video\Live Streaming
Operating Systems
1 28 (29.79%) Linux
2 16 (17.02%) Windows
3 6 (6.38%) Unix
4 4 (4.26%) VMS
5 3 (3.19%) Android
5 3 (3.19%) Windows Server
5 3 (3.19%) Windows Server 2008
6 2 (2.13%) Ubuntu
6 2 (2.13%) Windows Server 2012
7 1 (1.06%) Apple iOS
7 1 (1.06%) Embedded Linux
7 1 (1.06%) FreeBSD
7 1 (1.06%) Oracle Linux
7 1 (1.06%) Windows Server 2016
Processes & Methodologies
1 31 (32.98%) DevOps
2 25 (26.60%) Agile Software Development
3 13 (13.83%) Scrum
4 9 (9.57%) Continuous Integration
4 9 (9.57%) Kanban
4 9 (9.57%) Microservices
4 9 (9.57%) Migration
4 9 (9.57%) Test Automation
4 9 (9.57%) Web Development
5 8 (8.51%) Network Management
5 8 (8.51%) Service Delivery
6 7 (7.45%) Architectural Design
6 7 (7.45%) Configuration Management
6 7 (7.45%) Multithreading
6 7 (7.45%) Performance Tuning
6 7 (7.45%) TDD
7 6 (6.38%) Benchmarking
7 6 (6.38%) Data Engineering
7 6 (6.38%) Open Source
7 6 (6.38%) Problem-Solving
Programming Languages
1 33 (35.11%) Java
2 22 (23.40%) Python
3 13 (13.83%) SQL
4 9 (9.57%) Java 8
5 8 (8.51%) JavaScript
6 7 (7.45%) Bash Shell
6 7 (7.45%) Scala
7 6 (6.38%) Haskell
7 6 (6.38%) PHP
8 5 (5.32%) Perl
8 5 (5.32%) Shell Script
9 4 (4.26%) PL/SQL
9 4 (4.26%) PowerShell
9 4 (4.26%) TypeScript
10 3 (3.19%) C
11 2 (2.13%) AWK
11 2 (2.13%) C#
11 2 (2.13%) Go
11 2 (2.13%) Groovy
11 2 (2.13%) Ruby
Qualifications
1 10 (10.64%) CCNP
1 10 (10.64%) Cisco Certification
2 7 (7.45%) SC Cleared
2 7 (7.45%) Security Cleared
3 3 (3.19%) CCNA
3 3 (3.19%) CISSP
3 3 (3.19%) Degree
4 2 (2.13%) AWS Certification
4 2 (2.13%) CISM
5 1 (1.06%) (ISC)2 CCSP
5 1 (1.06%) CCDA
5 1 (1.06%) CCDP
5 1 (1.06%) CCIE
5 1 (1.06%) CCIE Security
5 1 (1.06%) CCSP
5 1 (1.06%) Computer Science Degree
5 1 (1.06%) MCSE
5 1 (1.06%) Microsoft Certification
5 1 (1.06%) RHCE
5 1 (1.06%) RHCSA
Quality Assurance & Compliance
1 8 (8.51%) SLA
2 1 (1.06%) QA
2 1 (1.06%) Sarbanes-Oxley
System Software
1 11 (11.70%) Docker
2 7 (7.45%) VMware Infrastructure
3 6 (6.38%) Active Directory
4 5 (5.32%) Xen
5 3 (3.19%) Firmware
5 3 (3.19%) NFS
5 3 (3.19%) Samba
6 2 (2.13%) KVM
6 2 (2.13%) OCFS2
6 2 (2.13%) Oracle RAC
6 2 (2.13%) Postfix
6 2 (2.13%) qmail
6 2 (2.13%) Sendmail
6 2 (2.13%) Terminal Server
6 2 (2.13%) Veritas Cluster Server
6 2 (2.13%) Veritas Volume Manager
7 1 (1.06%) Hyper-V
7 1 (1.06%) IAG
7 1 (1.06%) XenApp
7 1 (1.06%) XenDesktop
Systems Management
1 13 (13.83%) Kubernetes
2 8 (8.51%) HP NNM
3 7 (7.45%) Terraform
4 6 (6.38%) Puppet
5 5 (5.32%) Opscode Chef
6 3 (3.19%) Oozie
7 2 (2.13%) Cisco Prime
7 2 (2.13%) Docker Swarm
7 2 (2.13%) Failover Clustering
7 2 (2.13%) Grafana
7 2 (2.13%) Kibana
7 2 (2.13%) Mesos
7 2 (2.13%) PingFederate
7 2 (2.13%) SELinux
7 2 (2.13%) Single Sign-On
7 2 (2.13%) SolarWinds Orion
7 2 (2.13%) ZABBIX
8 1 (1.06%) Backup Exec
8 1 (1.06%) Nagios
8 1 (1.06%) Norton AntiVirus
Vendors
1 14 (14.89%) Cisco
2 12 (12.77%) Juniper
3 11 (11.70%) HP
4 10 (10.64%) F5
5 9 (9.57%) Google
6 8 (8.51%) Microsoft
6 8 (8.51%) Oracle
6 8 (8.51%) VMware
7 5 (5.32%) Red Hat
8 4 (4.26%) Blue Coat
8 4 (4.26%) Splunk
9 3 (3.19%) Bloomberg
9 3 (3.19%) CheckPoint
9 3 (3.19%) Citrix
9 3 (3.19%) Confluent
9 3 (3.19%) Databricks
9 3 (3.19%) Fortinet
9 3 (3.19%) Riverbed
10 2 (2.13%) Adobe
10 2 (2.13%) CA