Period
to 19 November 2017

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 19 November 2017 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
19 Nov 2017
Same period 2016 Same period 2015
Rank 344 275 316
Rank change year-on-year -69 +41 -36
Contract jobs citing SSL 306 382 315
As % of all contract IT jobs advertised in London 0.66% 0.85% 0.67%
As % of the Communications & Networking category 5.74% 6.11% 5.30%
Number of daily rates quoted 223 279 214
London median daily rate £525 £470 £450
Median daily rate % change year-on-year +11.70% +4.44% +5.88%
10th Percentile £286 £323 £307
90th Percentile £699 £600 £588
England median daily rate £500 £438 £435
% change year-on-year +14.29% +0.57% +8.75%
Number of hourly rates quoted 1 0 3
London median hourly rate £35.00 - £62.50
England median hourly rate £32.50 £36.00 £40.00
% change year-on-year -9.72% -10.00% +44.14%

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 5329 6256 5948
As % of all contract IT jobs advertised in London 11.53% 13.93% 12.65%
Number of daily rates quoted 3583 4090 3922
London median daily rate £450 £448 £425
Median daily rate % change year-on-year +0.56% +5.29% +6.25%
10th Percentile £213 £255 £218
90th Percentile £625 £600 £588
England median daily rate £403 £400 £390
% change year-on-year +0.75% +2.56% +4.00%
Number of hourly rates quoted 145 141 180
London median hourly rate £19.64 £19.00 £18.71
Median hourly rate % change year-on-year +3.37% +1.58% -1.55%
10th Percentile £12.60 £11.50 £11.50
90th Percentile £48.38 £50.00 £45.03
England median hourly rate £18.70 £23.50 £20.50
% change year-on-year -20.43% +14.63% +2.50%

SSL
Job Vacancy Trend in London

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

Job vacancy trend for SSL in London

SSL
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing SSL in London.

Contractor daily rate trend for SSL in London

SSL
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing SSL in London over the 6 months to 19 November 2017.

Contractor daily rate histogram for SSL in London

SSL
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing SSL in London.

Contractor 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 19 November 2017. 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 -30 63 £525 +10.53% 2
South London -42 13 £440 -5.88% 1
East London -5 6 £423 -6.11% 3
West London -25 6 £400 -11.11% 3
SSL
England

For the 6 months to 19 November 2017, IT contractor jobs citing SSL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for SSL.

1 180 (58.82%) Linux
2 158 (51.63%) TCP/IP
3 128 (41.83%) Python
3 128 (41.83%) Firewall
4 120 (39.22%) HTTP
4 120 (39.22%) Amazon AWS
5 109 (35.62%) DevOps
6 108 (35.29%) Agile Software Development
7 98 (32.03%) DNS
8 87 (28.43%) Puppet
9 83 (27.12%) Bash Shell
10 79 (25.82%) PostgreSQL
11 78 (25.49%) Configuration Management
11 78 (25.49%) Continuous Integration
12 77 (25.16%) Java
13 76 (24.84%) VMware
14 73 (23.86%) Ansible
15 70 (22.88%) Jenkins
16 68 (22.22%) Apache
16 68 (22.22%) MongoDB
17 66 (21.57%) Git (software)
18 62 (20.26%) Finance
19 58 (18.95%) VPN
19 58 (18.95%) Ruby
20 54 (17.65%) Load Balancing
20 54 (17.65%) nginx
21 53 (17.32%) Docker
21 53 (17.32%) Elastic Stack
22 50 (16.34%) Kibana
23 49 (16.01%) MySQL

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 68 (22.22%) Apache
2 54 (17.65%) nginx
3 38 (12.42%) Tomcat
4 34 (11.11%) IIS
5 18 (5.88%) Confluence
5 18 (5.88%) WebSphere
6 14 (4.58%) Elasticsearch
7 11 (3.59%) MS Exchange
7 11 (3.59%) OpenStack
8 9 (2.94%) WebLogic
9 8 (2.61%) CMS
10 7 (2.29%) Jetty
10 7 (2.29%) Mongrel
10 7 (2.29%) Oracle SOA Suite
11 6 (1.96%) SharePoint
12 4 (1.31%) Apache Solr
12 4 (1.31%) Oracle Service Bus
12 4 (1.31%) WebSphere Application Server
13 3 (0.98%) MQSeries
13 3 (0.98%) Oracle Workflow
Applications
1 8 (2.61%) Microsoft PowerPoint
2 7 (2.29%) Microsoft Excel
3 6 (1.96%) Microsoft Office
4 5 (1.63%) Microsoft Project
5 3 (0.98%) MS Visio
Business Applications
1 4 (1.31%) RMDS
2 3 (0.98%) Oracle EBS
2 3 (0.98%) Oracle iProcurement
3 2 (0.65%) Magento
3 2 (0.65%) MetaTrader
4 1 (0.33%) Dynamics AX
4 1 (0.33%) NetSuite
4 1 (0.33%) Oracle Applications
4 1 (0.33%) Payment Gateway
4 1 (0.33%) WebTrends
Cloud Services
1 120 (39.22%) Amazon AWS
2 29 (9.48%) Amazon EC2
3 28 (9.15%) Microsoft Azure
4 21 (6.86%) AWS CloudFormation
5 20 (6.54%) Amazon S3
5 20 (6.54%) Cloud Computing
6 18 (5.88%) GitHub
7 15 (4.90%) PaaS
8 14 (4.58%) Route 53
8 14 (4.58%) Virtual Private Cloud
9 11 (3.59%) Amazon CloudWatch
9 11 (3.59%) G Suite
9 11 (3.59%) IaaS
9 11 (3.59%) SaaS
10 7 (2.29%) Fastly
10 7 (2.29%) Google App Engine
10 7 (2.29%) Google Cloud Platform
11 6 (1.96%) Heroku
12 4 (1.31%) npm
12 4 (1.31%) Office 365
Communications & Networking
1 158 (51.63%) TCP/IP
2 128 (41.83%) Firewall
3 120 (39.22%) HTTP
4 98 (32.03%) DNS
5 58 (18.95%) VPN
6 41 (13.40%) Internet
7 39 (12.75%) IPsec
8 35 (11.44%) WAN
9 27 (8.82%) LAN
9 27 (8.82%) Network Security
10 26 (8.50%) FTP
11 24 (7.84%) Kerberos
12 22 (7.19%) BIG-IP
12 22 (7.19%) F5 BIG-IP LTM
12 22 (7.19%) LDAP
13 20 (6.54%) DHCP
14 19 (6.21%) Cisco ASA
14 19 (6.21%) SAN
15 18 (5.88%) SSH
16 17 (5.56%) BGP
Database & Business Intelligence
1 79 (25.82%) PostgreSQL
2 68 (22.22%) MongoDB
3 49 (16.01%) MySQL
4 21 (6.86%) SQL Server
5 13 (4.25%) Big Data
5 13 (4.25%) Hadoop
6 9 (2.94%) Relational Database
7 5 (1.63%) Amazon DynamoDB
7 5 (1.63%) RDBMS
7 5 (1.63%) SQL Server 2012
7 5 (1.63%) SQL Server 2014
7 5 (1.63%) SQL Server 2016
8 4 (1.31%) Amazon RDS
8 4 (1.31%) HBase
8 4 (1.31%) InfluxDB
8 4 (1.31%) NoSQL
8 4 (1.31%) OpenTSDB
9 3 (0.98%) Apache Hive
9 3 (0.98%) Oracle BI EE
9 3 (0.98%) Sqoop
Development Applications
1 70 (22.88%) Jenkins
2 66 (21.57%) Git (software)
3 35 (11.44%) Artifactory
4 32 (10.46%) Sonatype Nexus
5 21 (6.86%) JIRA
6 19 (6.21%) Maven
7 11 (3.59%) Gradle
7 11 (3.59%) Subversion
8 7 (2.29%) Travis CI
8 7 (2.29%) Visual Studio Team System
9 6 (1.96%) Ant
9 6 (1.96%) Visual Studio
10 4 (1.31%) Atlassian Bamboo
10 4 (1.31%) Bower
10 4 (1.31%) Chocolatey
10 4 (1.31%) MSBuild
10 4 (1.31%) SonarQube
10 4 (1.31%) Team Foundation Server
10 4 (1.31%) TeamCity
10 4 (1.31%) TestRail
General
1 62 (20.26%) Finance
2 24 (7.84%) Banking
3 17 (5.56%) Marketing
3 17 (5.56%) Telecoms
4 14 (4.58%) Manufacturing
5 13 (4.25%) Electronics
6 9 (2.94%) Investment Banking
6 9 (2.94%) Legal
7 7 (2.29%) Retail
8 4 (1.31%) Front Office
8 4 (1.31%) Publishing
9 3 (0.98%) Financial Institution
10 2 (0.65%) Multimedia
11 1 (0.33%) International Banking
Job Titles
1 80 (26.14%) DevOps Engineer
2 39 (12.75%) Architect
3 28 (9.15%) Linux Engineer
4 25 (8.17%) Infrastructure Engineer
5 24 (7.84%) Developer
5 24 (7.84%) Network Engineer
6 21 (6.86%) AWS Engineer
6 21 (6.86%) Linux/Unix DevOps
6 21 (6.86%) Senior DevOps
7 19 (6.21%) Senior DevOps Engineer
8 18 (5.88%) VMware Engineer
9 17 (5.56%) Senior VMware Engineer
10 16 (5.23%) AWS DevOps
11 15 (4.90%) Analyst
11 15 (4.90%) AWS DevOps Engineer
11 15 (4.90%) Linux DevOps Engineer
12 14 (4.58%) Administrator
12 14 (4.58%) Infrastructure Architect
13 13 (4.25%) Consultant
13 13 (4.25%) Support Engineer
Libraries, Frameworks & Software Standards
1 53 (17.32%) Elastic Stack
2 44 (14.38%) Web Services
3 31 (10.13%) SAML
4 26 (8.50%) .NET
5 23 (7.52%) REST
6 22 (7.19%) OAuth
7 20 (6.54%) LAPP Stack
8 19 (6.21%) SOAP
8 19 (6.21%) XML
9 16 (5.23%) Sensu
10 14 (4.58%) LEMP Stack
11 11 (3.59%) HTML
11 11 (3.59%) J2EE
11 11 (3.59%) Node.js
12 10 (3.27%) Flask
13 9 (2.94%) ASP.NET
13 9 (2.94%) RabbitMQ
13 9 (2.94%) RESTful
13 9 (2.94%) WCF
14 8 (2.61%) SPNEGO
Miscellaneous
1 43 (14.05%) Data Centre
2 30 (9.80%) PKI
3 21 (6.86%) Analytical Skills
3 21 (6.86%) Clustering
4 14 (4.58%) Computer Science
5 12 (3.92%) Public Cloud
6 7 (2.29%) Foreign Exchange (FX)
6 7 (2.29%) Private Cloud
7 6 (1.96%) BYOD
7 6 (1.96%) Distributed Denial-of-Service
7 6 (1.96%) Management Information System
8 5 (1.63%) Replication
9 4 (1.31%) Algorithms
9 4 (1.31%) DataPower
9 4 (1.31%) Security Operations Centre
10 3 (0.98%) Client/Server
10 3 (0.98%) Greenfield Project
11 2 (0.65%) Linux Command Line
11 2 (0.65%) Mainframe
11 2 (0.65%) PACS
Operating Systems
1 180 (58.82%) Linux
2 43 (14.05%) Unix
3 32 (10.46%) Windows
4 28 (9.15%) Red Hat Enterprise Linux
5 23 (7.52%) Ubuntu
6 14 (4.58%) Windows Server
7 7 (2.29%) CoreOS
7 7 (2.29%) Windows Server 2012
8 6 (1.96%) CentOS
9 4 (1.31%) AIX
10 3 (0.98%) Apple iOS
10 3 (0.98%) SUSE
11 2 (0.65%) Android
11 2 (0.65%) Oracle Linux
11 2 (0.65%) RancherOS
11 2 (0.65%) Windows Server 2008
12 1 (0.33%) Solaris
12 1 (0.33%) SUSE Linux Enterprise Server
12 1 (0.33%) Windows 7
12 1 (0.33%) Windows Server 2003
Processes & Methodologies
1 109 (35.62%) DevOps
2 108 (35.29%) Agile Software Development
3 78 (25.49%) Configuration Management
3 78 (25.49%) Continuous Integration
4 54 (17.65%) Load Balancing
5 40 (13.07%) Open Source
6 33 (10.78%) Continuous Delivery
7 28 (9.15%) ITIL
8 23 (7.52%) Task Automation
9 22 (7.19%) Protective Monitoring
9 22 (7.19%) TDD
10 21 (6.86%) Cybersecurity
11 20 (6.54%) Test Automation
11 20 (6.54%) Web Operations
12 18 (5.88%) SOA
13 17 (5.56%) Migration
13 17 (5.56%) Pair Programming
14 16 (5.23%) Digital Marketing
14 16 (5.23%) Kanban
14 16 (5.23%) Project Management
Programming Languages
1 128 (41.83%) Python
2 83 (27.12%) Bash Shell
3 77 (25.16%) Java
4 58 (18.95%) Ruby
5 35 (11.44%) Go
6 32 (10.46%) SQL
7 19 (6.21%) Shell Script
8 18 (5.88%) JavaScript
8 18 (5.88%) Perl
9 12 (3.92%) C#
10 11 (3.59%) PowerShell
11 10 (3.27%) C
12 8 (2.61%) R
13 7 (2.29%) PHP
13 7 (2.29%) Scala
14 6 (1.96%) Groovy
15 5 (1.63%) T-SQL
16 3 (0.98%) Korn
17 2 (0.65%) C++
17 2 (0.65%) VB.NET
Qualifications
1 38 (12.42%) Security Cleared
2 33 (10.78%) SC Cleared
3 16 (5.23%) Degree
4 14 (4.58%) Cisco Certification
5 12 (3.92%) RHCE
6 9 (2.94%) CCNP
7 8 (2.61%) Microsoft Certification
8 6 (1.96%) BPSS Clearance
8 6 (1.96%) CCIE
8 6 (1.96%) Computer Science Degree
9 5 (1.63%) CISSP
10 4 (1.31%) CCNA
10 4 (1.31%) RHCSA
11 3 (0.98%) AWS Certification
12 2 (0.65%) CCIE Routing and Switching
12 2 (0.65%) CEH
12 2 (0.65%) Check Point Certification
12 2 (0.65%) CISM
12 2 (0.65%) Master's Degree
12 2 (0.65%) MCSA
Quality Assurance & Compliance
1 6 (1.96%) GDPR
1 6 (1.96%) ISO/IEC 27001
2 5 (1.63%) AS 2805
2 5 (1.63%) ISO 8583
2 5 (1.63%) PCI DSS
3 2 (0.65%) HL7
3 2 (0.65%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
3 2 (0.65%) QA
4 1 (0.33%) Disclosure Scotland
4 1 (0.33%) FedRAMP
4 1 (0.33%) HIPAA
4 1 (0.33%) ISO 20022
4 1 (0.33%) Sarbanes-Oxley
System Software
1 53 (17.32%) Docker
2 37 (12.09%) VMware Infrastructure
3 33 (10.78%) Active Directory
4 23 (7.52%) vCloud
5 8 (2.61%) Xen
6 7 (2.29%) Varnish
7 6 (1.96%) Apache Flume
7 6 (1.96%) Hyper-V
8 5 (1.63%) BitLocker
8 5 (1.63%) ProxySG
8 5 (1.63%) Terminal Services
9 4 (1.31%) HDFS
9 4 (1.31%) Microsoft App-V
9 4 (1.31%) Virtual Machines
9 4 (1.31%) VMware NSX
9 4 (1.31%) vSphere
10 2 (0.65%) etcd
10 2 (0.65%) flannel
10 2 (0.65%) OpenDJ
10 2 (0.65%) OpenIDM
Systems Management
1 87 (28.43%) Puppet
2 73 (23.86%) Ansible
3 50 (16.34%) Kibana
4 46 (15.03%) logstash
5 40 (13.07%) Terraform
6 36 (11.76%) Kubernetes
7 27 (8.82%) Grafana
8 24 (7.84%) Opscode Chef
9 17 (5.56%) HAProxy
10 13 (4.25%) CA Single Sign-On
11 11 (3.59%) Prometheus
11 11 (3.59%) SCCM
12 10 (3.27%) Docker Swarm
12 10 (3.27%) Fluentd
13 9 (2.94%) Salt
14 6 (1.96%) Mesos
15 5 (1.63%) SCOM
15 5 (1.63%) SCOrch
15 5 (1.63%) SCSM
15 5 (1.63%) vMotion
Vendors
1 76 (24.84%) VMware
2 37 (12.09%) Cisco
3 32 (10.46%) F5
3 32 (10.46%) Microsoft
4 29 (9.48%) SaltStack
5 28 (9.15%) Oracle
6 25 (8.17%) Splunk
7 21 (6.86%) Citrix
8 20 (6.54%) CheckPoint
8 20 (6.54%) Google
9 14 (4.58%) CA
9 14 (4.58%) Juniper
10 13 (4.25%) HP
10 13 (4.25%) SAP
11 11 (3.59%) Palo Alto
12 10 (3.27%) ForgeRock
13 9 (2.94%) Red Hat
14 8 (2.61%) Blue Coat
14 8 (2.61%) NetApp
14 8 (2.61%) ServiceNow