Period
to 17 January 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 17 January 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
17 Jan 2021
Same period 2020 Same period 2019
Rank 324 403 329
Rank change year-on-year +79 -74 +4
Contract jobs citing SSL 69 112 344
As % of all contract jobs advertised in London 0.40% 0.37% 0.77%
As % of the Communications & Networking category 3.96% 3.31% 7.32%
Number of daily rates quoted 61 88 231
Median daily rate £525 £500 £550
Median daily rate % change year-on-year +5.00% -9.09% +4.76%
10th Percentile £400 £384 £406
90th Percentile £675 £738 £675
England median daily rate £475 £475 £500
% change year-on-year - -5.00% -
Number of hourly rates quoted 0 2 0
Median hourly rate - £53.75 -
England median hourly rate £40.00 £40.00 £24.00
% change year-on-year - +66.67% -25.00%

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 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 1,742 3,381 4,698
As % of all contract IT jobs advertised in London 10.12% 11.16% 10.58%
Number of daily rates quoted 1,172 2,378 3,237
Median daily rate £475 £438 £450
Median daily rate % change year-on-year +8.57% -2.78% -
10th Percentile £250 £183 £200
90th Percentile £650 £650 £644
England median daily rate £425 £410 £425
% change year-on-year +3.66% -3.53% +3.91%
Number of hourly rates quoted 15 99 115
Median hourly rate £25.00 £21.25 £22.50
Median hourly rate % change year-on-year +17.65% -5.56% +24.31%
10th Percentile £21.55 £14.22 £13.00
90th Percentile £61.45 £50.25 £51.75
Median hourly rate £31.25 £21.53 £18.00
% change year-on-year +45.18% +19.58% -2.37%

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 17 January 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 17 January 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 +85 10 £575 +4.55% 7
West London +47 7 £630 +59.49% 4
South London - 4 £460 -
East London +38 1 £675 +50.00%
SSL
England

For the 6 months to 17 January 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 32 (46.38%) DevOps
2 31 (44.93%) Python
3 27 (39.13%) Linux
4 25 (36.23%) DNS
5 24 (34.78%) AWS
6 23 (33.33%) Agile Software Development
7 22 (31.88%) Firewall
8 21 (30.43%) Windows
9 19 (27.54%) HTTP
10 18 (26.09%) Java
11 17 (24.64%) Jenkins
12 15 (21.74%) Git (software)
12 15 (21.74%) TCP/IP
13 14 (20.29%) LDAP
13 14 (20.29%) Azure
14 13 (18.84%) Puppet
14 13 (18.84%) Finance
14 13 (18.84%) Migration
15 12 (17.39%) VMware
15 12 (17.39%) Kubernetes
16 11 (15.94%) Ansible
16 11 (15.94%) Docker
16 11 (15.94%) Continuous Integration
16 11 (15.94%) PowerShell
16 11 (15.94%) Active Directory
16 11 (15.94%) VPN
17 10 (14.49%) DHCP
17 10 (14.49%) SAN
17 10 (14.49%) SAML
17 10 (14.49%) Shell Script

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 8 (11.59%) Tomcat
2 7 (10.14%) Apache
2 7 (10.14%) Confluence
3 6 (8.70%) Elasticsearch
3 6 (8.70%) IIS
4 5 (7.25%) Apache Spark
5 4 (5.80%) nginx
6 3 (4.35%) JBoss
6 3 (4.35%) SAS
6 3 (4.35%) WebSphere
7 2 (2.90%) Adobe Experience Manager
7 2 (2.90%) Jetty
7 2 (2.90%) Mongrel
8 1 (1.45%) Anypoint
8 1 (1.45%) Apache Solr
8 1 (1.45%) Mule
8 1 (1.45%) Oracle Workflow
8 1 (1.45%) SharePoint
8 1 (1.45%) WebSphere Application Server
Applications
1 1 (1.45%) Microsoft Office
1 1 (1.45%) Microsoft PowerPoint
1 1 (1.45%) MS Visio
Business Applications
1 1 (1.45%) Dynamics CRM
1 1 (1.45%) Dynamics GP
1 1 (1.45%) Oracle 11i
1 1 (1.45%) Oracle EBS
1 1 (1.45%) Oracle EBS R12
Cloud Services
1 24 (34.78%) AWS
2 14 (20.29%) Azure
3 10 (14.49%) GCP
4 8 (11.59%) Amazon EC2
5 4 (5.80%) Amazon S3
5 4 (5.80%) PaaS
5 4 (5.80%) SaaS
6 3 (4.35%) GitHub
6 3 (4.35%) Slack
6 3 (4.35%) Virtual Private Cloud
7 2 (2.90%) AWS CodePipeline
7 2 (2.90%) Azure Active Directory
7 2 (2.90%) Google Analytics
7 2 (2.90%) Google App Engine
7 2 (2.90%) IaaS
8 1 (1.45%) Amazon ECS
8 1 (1.45%) Amazon GuardDuty
8 1 (1.45%) AWS CodeCommit
8 1 (1.45%) Logic Apps
8 1 (1.45%) Power Platform
Communications & Networking
1 25 (36.23%) DNS
2 22 (31.88%) Firewall
3 19 (27.54%) HTTP
4 15 (21.74%) TCP/IP
5 11 (15.94%) VPN
6 10 (14.49%) DHCP
6 10 (14.49%) SAN
7 7 (10.14%) FTP
7 7 (10.14%) HTTPS
7 7 (10.14%) MPLS
7 7 (10.14%) Wireshark
8 6 (8.70%) BGP
8 6 (8.70%) IPsec
9 5 (7.25%) Kerberos
9 5 (7.25%) OSPF
9 5 (7.25%) WAN
10 4 (5.80%) EIGRP
10 4 (5.80%) OpenLDAP
10 4 (5.80%) SNMP
10 4 (5.80%) VLAN
Database & Business Intelligence
1 7 (10.14%) Relational Database
2 6 (8.70%) MongoDB
3 5 (7.25%) Hadoop
3 5 (7.25%) RDBMS
4 4 (5.80%) NoSQL
4 4 (5.80%) PostgreSQL
5 3 (4.35%) Big Data
5 3 (4.35%) DataStage
6 2 (2.90%) Apache Hive
6 2 (2.90%) BigQuery
6 2 (2.90%) Data Warehouse
6 2 (2.90%) HBase
6 2 (2.90%) MariaDB
6 2 (2.90%) MySQL
6 2 (2.90%) SQL Server
7 1 (1.45%) Amazon RDS
7 1 (1.45%) Oracle Database
7 1 (1.45%) Oracle Database 12c
7 1 (1.45%) Power BI
7 1 (1.45%) SQL Server 2016
Development Applications
1 17 (24.64%) Jenkins
2 15 (21.74%) Git (software)
3 7 (10.14%) Sonatype Nexus
4 6 (8.70%) JIRA
4 6 (8.70%) Maven
5 5 (7.25%) Gatling
6 4 (5.80%) GitLab
7 3 (4.35%) Artifactory
7 3 (4.35%) Geb
7 3 (4.35%) Gradle
7 3 (4.35%) Selenium
7 3 (4.35%) Spock
8 2 (2.90%) Ant
8 2 (2.90%) Cucumber
8 2 (2.90%) Grunt
8 2 (2.90%) IntelliJ
8 2 (2.90%) Karma Test Runner
8 2 (2.90%) Sublime Text
8 2 (2.90%) TeamCity
8 2 (2.90%) Visual Studio Team System
General
1 13 (18.84%) Finance
2 8 (11.59%) Banking
3 5 (7.25%) Investment Banking
3 5 (7.25%) Public Sector
4 2 (2.90%) Pharmaceutical
5 1 (1.45%) Telecoms
Job Titles
1 12 (17.39%) Developer
2 11 (15.94%) DevOps Engineer
3 7 (10.14%) Architect
3 7 (10.14%) Consultant
4 5 (7.25%) Analyst
4 5 (7.25%) Infrastructure Engineer
4 5 (7.25%) Java Developer
4 5 (7.25%) Linux Engineer
4 5 (7.25%) Systems Engineer
5 4 (5.80%) Linux/Unix DevOps
6 3 (4.35%) Check Point Analyst
6 3 (4.35%) Cloud Engineer
6 3 (4.35%) Linux DevOps Engineer
6 3 (4.35%) Linux Infrastructure Engineer
6 3 (4.35%) Network Analyst
6 3 (4.35%) Project Manager
7 2 (2.90%) IT Manager
7 2 (2.90%) Site Reliability Engineer
7 2 (2.90%) VMware Infrastructure Engineer
7 2 (2.90%) Web Developer
Libraries, Frameworks & Software Standards
1 14 (20.29%) LDAP
2 10 (14.49%) SAML
3 8 (11.59%) AngularJS
3 8 (11.59%) OAuth
3 8 (11.59%) REST
3 8 (11.59%) YAML
4 7 (10.14%) Spring
5 5 (7.25%) Guice
5 5 (7.25%) Kafka
5 5 (7.25%) Middleware
5 5 (7.25%) ODBC
5 5 (7.25%) SOAP
5 5 (7.25%) Web Services
6 4 (5.80%) .NET
6 4 (5.80%) OpenID
6 4 (5.80%) Servlets
7 3 (4.35%) Ember.js
7 3 (4.35%) JDBC
7 3 (4.35%) Node.js
7 3 (4.35%) RESTful
Miscellaneous
1 10 (14.49%) Data Centre
2 6 (8.70%) Analytical Skills
3 3 (4.35%) Clustering
3 3 (4.35%) Linux Command Line
3 3 (4.35%) Management Information System
3 3 (4.35%) Self-Motivation
4 2 (2.90%) Cyber Kill Chain
4 2 (2.90%) Device Driver
4 2 (2.90%) Hybrid Cloud
4 2 (2.90%) Robotics
4 2 (2.90%) User Experience
5 1 (1.45%) Cloud Native
5 1 (1.45%) CMDB
5 1 (1.45%) EMC VNX
5 1 (1.45%) Enterprise Cloud
5 1 (1.45%) Enterprise Software
5 1 (1.45%) FMCG
5 1 (1.45%) NHS
5 1 (1.45%) N-Tier
5 1 (1.45%) PKI
Operating Systems
1 27 (39.13%) Linux
2 21 (30.43%) Windows
3 7 (10.14%) Unix
4 6 (8.70%) Ubuntu
5 5 (7.25%) Windows Server
6 4 (5.80%) CentOS
6 4 (5.80%) Debian
6 4 (5.80%) VMS
7 3 (4.35%) Windows Server 2016
8 2 (2.90%) Solaris
8 2 (2.90%) Windows Server 2008
8 2 (2.90%) Windows Server 2012
8 2 (2.90%) Windows XP
9 1 (1.45%) Oracle Linux
9 1 (1.45%) Windows 10
Processes & Methodologies
1 32 (46.38%) DevOps
2 23 (33.33%) Agile Software Development
3 13 (18.84%) Migration
4 11 (15.94%) Continuous Integration
5 9 (13.04%) Open Source
5 9 (13.04%) Problem-Solving
6 8 (11.59%) Configuration Management
6 8 (11.59%) Microservices
6 8 (11.59%) Test Automation
7 7 (10.14%) Cybersecurity
7 7 (10.14%) Information Security
7 7 (10.14%) Software Engineering
7 7 (10.14%) TDD
8 6 (8.70%) Disaster Recovery
8 6 (8.70%) ITIL
8 6 (8.70%) Performance Tuning
8 6 (8.70%) Scrum
8 6 (8.70%) SDLC
9 5 (7.25%) Analytics
9 5 (7.25%) SIEM
Programming Languages
1 31 (44.93%) Python
2 18 (26.09%) Java
3 11 (15.94%) PowerShell
4 10 (14.49%) Shell Script
5 9 (13.04%) SQL
6 7 (10.14%) Bash Shell
7 6 (8.70%) JavaScript
7 6 (8.70%) Perl
8 3 (4.35%) C
8 3 (4.35%) C#
8 3 (4.35%) Java 8
8 3 (4.35%) R
8 3 (4.35%) Ruby
8 3 (4.35%) Scala
8 3 (4.35%) TypeScript
9 2 (2.90%) AWK
9 2 (2.90%) Go
9 2 (2.90%) Groovy
9 2 (2.90%) Haskell
9 2 (2.90%) sed
Qualifications
1 6 (8.70%) SC Cleared
1 6 (8.70%) Security Cleared
2 3 (4.35%) Cisco Certification
2 3 (4.35%) CISSP
3 2 (2.90%) (ISC)2 CCSP
3 2 (2.90%) CCSP
3 2 (2.90%) CISM
3 2 (2.90%) CREST Certified
3 2 (2.90%) Degree
3 2 (2.90%) GCFA
3 2 (2.90%) GCIA
3 2 (2.90%) GCIH
4 1 (1.45%) CCIE
4 1 (1.45%) DV Cleared
4 1 (1.45%) ITIL Foundation Certificate
4 1 (1.45%) Microsoft Certification
4 1 (1.45%) RHCE
4 1 (1.45%) RHCSA
4 1 (1.45%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 3 (4.35%) NIST
2 2 (2.90%) COBIT
2 2 (2.90%) ISO/IEC 27001
2 2 (2.90%) SLA
3 1 (1.45%) Cyber Essentials
3 1 (1.45%) GDPR
3 1 (1.45%) HIPAA
3 1 (1.45%) NCSC
3 1 (1.45%) NIST 800
3 1 (1.45%) QA
System Software
1 11 (15.94%) Active Directory
1 11 (15.94%) Docker
2 6 (8.70%) VMware Infrastructure
3 4 (5.80%) Xen
4 2 (2.90%) Firmware
4 2 (2.90%) KVM
4 2 (2.90%) NFS
4 2 (2.90%) OCFS2
4 2 (2.90%) Oracle RAC
4 2 (2.90%) Postfix
4 2 (2.90%) qmail
4 2 (2.90%) Samba
4 2 (2.90%) Sendmail
4 2 (2.90%) Veritas Cluster Server
4 2 (2.90%) Veritas Volume Manager
5 1 (1.45%) Hyper-V
5 1 (1.45%) UAG
5 1 (1.45%) vSphere
5 1 (1.45%) XenApp
5 1 (1.45%) XenDesktop
Systems Management
1 13 (18.84%) Puppet
2 12 (17.39%) Kubernetes
3 11 (15.94%) Ansible
4 7 (10.14%) Single Sign-On
4 7 (10.14%) Terraform
5 6 (8.70%) Opscode Chef
6 3 (4.35%) BladeLogic
6 3 (4.35%) Docker Swarm
6 3 (4.35%) ITRS Geneos
7 2 (2.90%) CSIRT
7 2 (2.90%) Failover Clustering
7 2 (2.90%) Grafana
7 2 (2.90%) Kibana
7 2 (2.90%) Mesos
7 2 (2.90%) PingFederate
7 2 (2.90%) SELinux
8 1 (1.45%) Consul
8 1 (1.45%) Hadoop YARN
8 1 (1.45%) Packer
8 1 (1.45%) vCenter Server
Vendors
1 12 (17.39%) VMware
2 9 (13.04%) Microsoft
3 8 (11.59%) Cisco
3 8 (11.59%) F5
4 6 (8.70%) CheckPoint
4 6 (8.70%) Google
4 6 (8.70%) ServiceNow
5 5 (7.25%) Fortinet
5 5 (7.25%) Juniper
5 5 (7.25%) Oracle
6 4 (5.80%) Citrix
6 4 (5.80%) HP
6 4 (5.80%) Red Hat
7 3 (4.35%) Altiris
7 3 (4.35%) Databricks
7 3 (4.35%) Meraki
7 3 (4.35%) Palo Alto
7 3 (4.35%) Sophos
7 3 (4.35%) Splunk
8 2 (2.90%) AppDynamics