Period
to 22 April 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for SSL skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited SSL over the 6 months to 22 April 2018 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
England > London
6 months to
22 Apr 2018
Same period 2017 Same period 2016
Rank 602 484 461
Rank change year-on-year -118 -23 -4
Permanent jobs citing SSL 229 368 512
As % of all permanent IT jobs advertised in London 0.33% 0.54% 0.61%
As % of the Communications & Networking category 2.28% 3.40% 3.88%
Number of salaries quoted 182 323 409
London median annual salary £57,500 £57,500 £52,500
Median salary % change year-on-year - +9.52% -4.55%
10th Percentile £35,125 £33,750 £35,000
90th Percentile £95,625 £84,750 £82,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

SSL is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 10,028 10,837 13,196
As % of all permanent IT jobs advertised in London 14.33% 15.80% 15.72%
Number of salaries quoted 8,314 9,152 11,203
London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £31,050 £30,000 £28,750
90th Percentile £83,750 £80,500 £77,500
England median annual salary £47,000 £45,000 £45,000
% change year-on-year +4.44% - +4.65%

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
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing SSL in London.

Salary trend for SSL in London

SSL
Salary Histogram in London

The salary distribution of IT jobs citing SSL in London over the 6 months to 22 April 2018.

Salary histogram for SSL in London

SSL
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing SSL within the London region over the 6 months to 22 April 2018. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -86 42 £52,500 -12.50% 11
West London +18 17 £57,500 +27.78% 5
South London -19 5 £40,000 -24.53%
East London -4 4 £31,500 -16.00% 3
SSL
England

For the 6 months to 22 April 2018, IT 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 permanent job ads across the London region with a requirement for SSL.

1 100 (43.67%) Linux
2 89 (38.86%) TCP/IP
3 87 (37.99%) DNS
4 86 (37.55%) Firewall
5 84 (36.68%) Python
6 77 (33.62%) Cisco
7 75 (32.75%) HTTP
8 73 (31.88%) Agile Software Development
9 65 (28.38%) VPN
10 64 (27.95%) Windows
11 62 (27.07%) Java
12 58 (25.33%) DevOps
13 56 (24.45%) Git (software)
14 50 (21.83%) IPsec
15 47 (20.52%) .NET
15 47 (20.52%) Microsoft
16 46 (20.09%) Web Services
16 46 (20.09%) VMware
16 46 (20.09%) Amazon AWS
17 43 (18.78%) SQL
18 42 (18.34%) Degree
19 40 (17.47%) MySQL
19 40 (17.47%) SMTP
20 36 (15.72%) Active Directory
20 36 (15.72%) Disaster Recovery
21 35 (15.28%) Analytics
21 35 (15.28%) Internet
21 35 (15.28%) SOAP
21 35 (15.28%) Puppet
22 34 (14.85%) Bash Shell

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 20 (8.73%) SAS
2 19 (8.30%) MS Exchange
3 18 (7.86%) nginx
4 15 (6.55%) Apache
4 15 (6.55%) IIS
5 14 (6.11%) Confluence
6 12 (5.24%) Drupal
6 12 (5.24%) Moodle
6 12 (5.24%) WordPress
7 8 (3.49%) uWSGI
8 7 (3.06%) Cloud Foundry
8 7 (3.06%) CMS
8 7 (3.06%) Tomcat
9 5 (2.18%) Apache Pig
9 5 (2.18%) OpenStack
9 5 (2.18%) WebSphere
10 4 (1.75%) Elasticsearch
10 4 (1.75%) Mule
10 4 (1.75%) Mule ESB
10 4 (1.75%) Umbraco
Applications
1 10 (4.37%) Microsoft Office
2 9 (3.93%) Microsoft Excel
3 8 (3.49%) Microsoft PowerPoint
4 5 (2.18%) MS Visio
5 3 (1.31%) Spreadsheet
Business Applications
1 5 (2.18%) Payment Gateway
2 2 (0.87%) Documaker
2 2 (0.87%) Dynamics CRM
Cloud Services
1 46 (20.09%) Amazon AWS
2 20 (8.73%) Microsoft Azure
3 13 (5.68%) Amazon EC2
3 13 (5.68%) Amazon S3
3 13 (5.68%) AWS CloudFormation
4 12 (5.24%) Amazon ElastiCache
4 12 (5.24%) Amazon ELB
4 12 (5.24%) AWS Lambda
4 12 (5.24%) Serverless
4 12 (5.24%) Virtual Private Cloud
5 10 (4.37%) IaaS
6 8 (3.49%) Office 365
7 7 (3.06%) GitHub
8 6 (2.62%) npm
8 6 (2.62%) SaaS
9 5 (2.18%) Bluemix
9 5 (2.18%) IBM Cloud
10 3 (1.31%) PaaS
10 3 (1.31%) Slack
11 2 (0.87%) Cloud Computing
Communications & Networking
1 89 (38.86%) TCP/IP
2 87 (37.99%) DNS
3 86 (37.55%) Firewall
4 75 (32.75%) HTTP
5 65 (28.38%) VPN
6 50 (21.83%) IPsec
7 40 (17.47%) SMTP
8 35 (15.28%) Internet
9 33 (14.41%) Network Security
10 30 (13.10%) VoIP
11 26 (11.35%) WAN
12 25 (10.92%) Cisco ASA
12 25 (10.92%) LAN
12 25 (10.92%) Wireless
13 22 (9.61%) Cisco IOS
13 22 (9.61%) FTP
13 22 (9.61%) VLAN
14 20 (8.73%) Intrusion Detection
15 18 (7.86%) DHCP
15 18 (7.86%) SSH
Database & Business Intelligence
1 40 (17.47%) MySQL
2 34 (14.85%) Big Data
3 30 (13.10%) Hadoop
4 21 (9.17%) SQL Server
5 20 (8.73%) Data Warehouse
5 20 (8.73%) OLAP
5 20 (8.73%) Oracle OLAP
6 12 (5.24%) Amazon RDS
7 8 (3.49%) MariaDB
8 6 (2.62%) SQL Server 2012
9 5 (2.18%) Apache Cassandra
9 5 (2.18%) Apache Hive
9 5 (2.18%) HBase
10 4 (1.75%) MongoDB
10 4 (1.75%) PostgreSQL
10 4 (1.75%) Relational Database
10 4 (1.75%) SQL Server 2008
10 4 (1.75%) SQL Server 2016
11 3 (1.31%) InfluxDB
11 3 (1.31%) OpenTSDB
Development Applications
1 56 (24.45%) Git (software)
2 33 (14.41%) Jenkins
3 19 (8.30%) JIRA
4 16 (6.99%) Subversion
5 13 (5.68%) Maven
6 10 (4.37%) Gradle
6 10 (4.37%) gulp
7 9 (3.93%) JUnit
8 7 (3.06%) Ant
9 6 (2.62%) Vagrant
10 5 (2.18%) Atlassian Bamboo
10 5 (2.18%) Bitbucket
10 5 (2.18%) CodeSonar
10 5 (2.18%) Cucumber
10 5 (2.18%) git-flow
10 5 (2.18%) GitLab
10 5 (2.18%) Grunt
10 5 (2.18%) Robot Framework
10 5 (2.18%) Selenium
11 4 (1.75%) Metasploit
General
1 30 (13.10%) Finance
2 21 (9.17%) Telecoms
3 10 (4.37%) Banking
4 8 (3.49%) Marketing
5 6 (2.62%) Games
5 6 (2.62%) Legal
6 5 (2.18%) Investment Banking
7 4 (1.75%) Electronics
7 4 (1.75%) Manufacturing
7 4 (1.75%) Retail
8 2 (0.87%) Advertising
9 1 (0.44%) German Language
9 1 (0.44%) Law
Job Titles
1 36 (15.72%) DevOps Engineer
2 33 (14.41%) Architect
3 26 (11.35%) Technical Architect
4 24 (10.48%) Network Engineer
5 23 (10.04%) Senior DevOps
6 22 (9.61%) Senior DevOps Engineer
7 21 (9.17%) Developer
7 21 (9.17%) Security Engineer
7 21 (9.17%) Solutions Architect
8 18 (7.86%) Technical Solutions Architect
9 17 (7.42%) Analyst
9 17 (7.42%) AWS DevOps
9 17 (7.42%) AWS DevOps Engineer
9 17 (7.42%) AWS Engineer
10 16 (6.99%) Support Engineer
11 15 (6.55%) Head of Engineering
11 15 (6.55%) Head of Security
12 14 (6.11%) IT Engineer
12 14 (6.11%) Linux Engineer
13 13 (5.68%) Systems Engineer
Libraries, Frameworks & Software Standards
1 47 (20.52%) .NET
2 46 (20.09%) Web Services
3 35 (15.28%) SOAP
4 27 (11.79%) XML
5 25 (10.92%) JSON
5 25 (10.92%) REST
6 23 (10.04%) HTML
7 21 (9.17%) Node.js
8 20 (8.73%) WSDL
9 19 (8.30%) LDAP
10 18 (7.86%) LAMP
11 17 (7.42%) Ajax
12 15 (6.55%) ASP.NET
12 15 (6.55%) CSS
13 13 (5.68%) Django
14 12 (5.24%) SAML
15 11 (4.80%) .NET Framework
15 11 (4.80%) AngularJS
15 11 (4.80%) JDBC
16 9 (3.93%) CSS3
Miscellaneous
1 31 (13.54%) Data Centre
2 26 (11.35%) Computer Science
3 22 (9.61%) Mobile App
4 19 (8.30%) Analytical Skills
5 14 (6.11%) Linux Command Line
6 12 (5.24%) Private Cloud
7 11 (4.80%) Fintech
8 9 (3.93%) Cyberthreat
9 8 (3.49%) Replication
9 8 (3.49%) Wiki
10 7 (3.06%) Greenfield Project
10 7 (3.06%) Management Information System
10 7 (3.06%) Security Operations Centre
11 6 (2.62%) Clustering
12 5 (2.18%) Enterprise Software
12 5 (2.18%) Self-Motivation
12 5 (2.18%) Smartphone
12 5 (2.18%) STB
12 5 (2.18%) User Experience
13 4 (1.75%) Distributed Denial-of-Service
Operating Systems
1 100 (43.67%) Linux
2 64 (27.95%) Windows
3 32 (13.97%) Unix
4 23 (10.04%) Windows Server
5 21 (9.17%) Red Hat Enterprise Linux
6 15 (6.55%) CentOS
7 14 (6.11%) Debian
7 14 (6.11%) Ubuntu
8 12 (5.24%) Windows Server 2008
9 10 (4.37%) Android
9 10 (4.37%) Mac OS X
10 9 (3.93%) Windows Server 2012
11 7 (3.06%) Windows 7
12 5 (2.18%) Apple iOS
12 5 (2.18%) Solaris
13 4 (1.75%) AIX
13 4 (1.75%) Kali Linux
13 4 (1.75%) Windows 10
13 4 (1.75%) Windows 8
14 3 (1.31%) Windows Server 2003
Processes & Methodologies
1 73 (31.88%) Agile Software Development
2 58 (25.33%) DevOps
3 36 (15.72%) Disaster Recovery
4 35 (15.28%) Analytics
5 33 (14.41%) Business Continuity
5 33 (14.41%) Configuration Management
6 24 (10.48%) Kalman Filter
6 24 (10.48%) TOGAF
7 22 (9.61%) Load Balancing
7 22 (9.61%) Network Design
8 21 (9.17%) SIEM
9 20 (8.73%) BCP
9 20 (8.73%) Big Data Analytics
9 20 (8.73%) Cybersecurity
9 20 (8.73%) Data Analytics
9 20 (8.73%) Data Architecture
9 20 (8.73%) Data Visualisation
9 20 (8.73%) ITIL
9 20 (8.73%) Visualisation
10 17 (7.42%) MVC
Programming Languages
1 84 (36.68%) Python
2 62 (27.07%) Java
3 43 (18.78%) SQL
4 34 (14.85%) Bash Shell
4 34 (14.85%) Perl
5 27 (11.79%) JavaScript
6 26 (11.35%) PHP
7 22 (9.61%) Ruby
8 21 (9.17%) PowerShell
9 19 (8.30%) C#
10 10 (4.37%) C
10 10 (4.37%) Shell Script
11 9 (3.93%) Objective-C
12 5 (2.18%) C++
12 5 (2.18%) Tcl
13 3 (1.31%) Lua
13 3 (1.31%) Scala
14 2 (0.87%) Gremlin
14 2 (0.87%) VBScript
15 1 (0.44%) ES7
Qualifications
1 42 (18.34%) Degree
2 33 (14.41%) Cisco Certification
3 21 (9.17%) CISSP
4 20 (8.73%) CCNP
4 20 (8.73%) TOGAF Certification
5 19 (8.30%) Microsoft Certification
6 16 (6.99%) CCNA
7 13 (5.68%) MCSE
7 13 (5.68%) SANS
8 10 (4.37%) CCIE
9 9 (3.93%) CISA
10 8 (3.49%) Security Cleared
11 7 (3.06%) SSCP
12 6 (2.62%) CEH
12 6 (2.62%) Computer Science Degree
12 6 (2.62%) GCIH
13 5 (2.18%) CompTIA Security+
13 5 (2.18%) GIAC
13 5 (2.18%) Linux+ Certification
13 5 (2.18%) Network+ Certification
Quality Assurance & Compliance
1 25 (10.92%) QA
2 16 (6.99%) PCI DSS
3 7 (3.06%) ISO/IEC 27001
4 5 (2.18%) GDPR
5 4 (1.75%) Cyber Essentials
6 2 (0.87%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (0.44%) GCP
7 1 (0.44%) HL7
7 1 (0.44%) SLA
System Software
1 36 (15.72%) Active Directory
2 31 (13.54%) VMware Infrastructure
3 25 (10.92%) Docker
4 11 (4.80%) VMware ESXi
5 9 (3.93%) Postfix
5 9 (3.93%) vSphere
6 8 (3.49%) BIND 9
6 8 (3.49%) Kamailio
7 4 (1.75%) Hyper-V
7 4 (1.75%) NFS
7 4 (1.75%) Snort
7 4 (1.75%) Virtual Servers
7 4 (1.75%) XenDesktop
8 3 (1.31%) Firmware
8 3 (1.31%) Microsoft App-V
8 3 (1.31%) Samba
8 3 (1.31%) Virtual Machines
8 3 (1.31%) XenApp
9 2 (0.87%) HDFS
9 2 (0.87%) vCloud
Systems Management
1 35 (15.28%) Puppet
2 24 (10.48%) Nagios
3 20 (8.73%) Ansible
4 17 (7.42%) Single Sign-On
5 15 (6.55%) HAProxy
6 13 (5.68%) FortiGate
7 12 (5.24%) Check_MK
8 11 (4.80%) Cisco CUCM
9 9 (3.93%) Kubernetes
10 8 (3.49%) Cacti
10 8 (3.49%) Munin
10 8 (3.49%) Nessus
10 8 (3.49%) Opscode Chef
11 5 (2.18%) Icinga
11 5 (2.18%) Salt
12 4 (1.75%) Mesos
12 4 (1.75%) NetBackup
12 4 (1.75%) Prometheus
12 4 (1.75%) QRadar
12 4 (1.75%) Terraform
Vendors
1 77 (33.62%) Cisco
2 47 (20.52%) Microsoft
3 46 (20.09%) VMware
4 28 (12.23%) Oracle
5 21 (9.17%) Red Hat
6 19 (8.30%) Juniper
7 18 (7.86%) F5
8 16 (6.99%) ServiceNow
9 15 (6.55%) Splunk
10 13 (5.68%) Citrix
11 12 (5.24%) IBM
12 9 (3.93%) CheckPoint
12 9 (3.93%) Dell
13 8 (3.49%) AppDynamics
13 8 (3.49%) IronPort
13 8 (3.49%) NetApp
13 8 (3.49%) Qualys
14 7 (3.06%) Palo Alto
15 6 (2.62%) EMC
15 6 (2.62%) HP