Period
to 23 January 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 23 January 2018 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
England > London
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 539 432 441
Rank change year-on-year -107 +9 +12
Permanent jobs citing SSL 298 417 564
As % of all permanent IT jobs advertised in London 0.42% 0.59% 0.67%
As % of the Communications & Networking category 2.98% 3.76% 4.22%
Number of salaries quoted 231 373 483
London median annual salary £55,000 £60,000 £52,500
Median salary % change year-on-year -8.33% +14.29% +5.00%
10th Percentile £37,500 £35,000 £35,000
90th Percentile £80,000 £80,000 £82,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 9,992 11,078 13,368
As % of all permanent IT jobs advertised in London 14.22% 15.75% 15.83%
Number of salaries quoted 8,368 9,430 11,324
London median annual salary £55,000 £54,000 £50,000
Median salary % change year-on-year +1.85% +8.00% +4.17%
10th Percentile £31,250 £30,000 £27,500
90th Percentile £80,000 £80,800 £80,000
England median annual salary £45,000 £45,000 £45,000

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 23 January 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 23 January 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 -44 53 £55,000 -8.33% 4
West London +17 24 £50,000 - 7
South London -13 7 £40,000 -25.23% 1
East London -11 3 £31,000 -17.33% 1
North London - 1 £37,500 -
SSL
England

For the 6 months to 23 January 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.

1 132 (44.30%) Firewall
2 116 (38.93%) Linux
3 102 (34.23%) HTTP
4 96 (32.21%) TCP/IP
5 89 (29.87%) Windows
6 85 (28.52%) SQL
7 84 (28.19%) Python
8 83 (27.85%) Cisco
9 77 (25.84%) VPN
9 77 (25.84%) Web Services
10 70 (23.49%) IPsec
11 67 (22.48%) VMware
11 67 (22.48%) XML
11 67 (22.48%) Active Directory
12 66 (22.15%) Finance
12 66 (22.15%) Agile Software Development
13 65 (21.81%) DNS
14 61 (20.47%) Microsoft
14 61 (20.47%) Internet
14 61 (20.47%) DevOps
15 58 (19.46%) VMware Infrastructure
16 57 (19.13%) JSON
17 56 (18.79%) OO
18 54 (18.12%) Banking
19 53 (17.79%) .NET
20 52 (17.45%) Java
21 50 (16.78%) MySQL
22 49 (16.44%) Cisco Certification
23 48 (16.11%) Telecoms
24 47 (15.77%) Algorithms

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 37 (12.42%) MS Exchange
2 34 (11.41%) IIS
3 29 (9.73%) Confluence
4 18 (6.04%) nginx
5 15 (5.03%) OpenStack
6 13 (4.36%) Apache
6 13 (4.36%) uWSGI
7 12 (4.03%) Cloud Foundry
7 12 (4.03%) SAS
8 9 (3.02%) CMS
9 7 (2.35%) NServiceBus
10 5 (1.68%) Elasticsearch
11 4 (1.34%) Apache Pig
11 4 (1.34%) Apache Solr
11 4 (1.34%) Exchange Server 2013
11 4 (1.34%) Mule
11 4 (1.34%) Mule ESB
11 4 (1.34%) Umbraco
12 3 (1.01%) Apache Spark
12 3 (1.01%) Exchange Server 2010
Applications
1 10 (3.36%) Microsoft Office
2 7 (2.35%) MS Visio
3 5 (1.68%) Microsoft Excel
3 5 (1.68%) Microsoft PowerPoint
4 2 (0.67%) Maya
Business Applications
1 8 (2.68%) Payment Gateway
2 2 (0.67%) Dynamics CRM
3 1 (0.34%) MetaTrader
Cloud Services
1 46 (15.44%) Amazon AWS
2 39 (13.09%) Microsoft Azure
3 19 (6.38%) Office 365
4 17 (5.70%) Amazon CloudWatch
5 13 (4.36%) SaaS
6 10 (3.36%) IaaS
7 5 (1.68%) GitHub
7 5 (1.68%) PaaS
8 4 (1.34%) Cloud Computing
8 4 (1.34%) npm
9 3 (1.01%) Amazon EC2
9 3 (1.01%) Amazon S3
10 2 (0.67%) Akamai
10 2 (0.67%) Azure Active Directory
10 2 (0.67%) Fastly
10 2 (0.67%) Google Cloud Platform
10 2 (0.67%) Sage Pay
10 2 (0.67%) Salesforce Sales Cloud
10 2 (0.67%) Twilio
11 1 (0.34%) Mimecast
Communications & Networking
1 132 (44.30%) Firewall
2 102 (34.23%) HTTP
3 96 (32.21%) TCP/IP
4 77 (25.84%) VPN
5 70 (23.49%) IPsec
6 65 (21.81%) DNS
7 61 (20.47%) Internet
8 41 (13.76%) WAN
9 39 (13.09%) BGP
10 38 (12.75%) LAN
11 36 (12.08%) VoIP
12 34 (11.41%) VLAN
13 32 (10.74%) MPLS
14 30 (10.07%) SMTP
15 28 (9.40%) Cisco ASA
16 27 (9.06%) FTP
16 27 (9.06%) OSPF
16 27 (9.06%) Wireless
17 25 (8.39%) Network Security
18 24 (8.05%) Cisco IOS
Database & Business Intelligence
1 50 (16.78%) MySQL
2 39 (13.09%) Relational Database
3 37 (12.42%) Data Warehouse
4 34 (11.41%) SQL Server
5 27 (9.06%) Big Data
6 24 (8.05%) Hadoop
7 22 (7.38%) NoSQL
8 12 (4.03%) OLAP
8 12 (4.03%) Oracle OLAP
9 11 (3.69%) KDB
9 11 (3.69%) Kdb+
9 11 (3.69%) MariaDB
10 10 (3.36%) RDBMS
11 8 (2.68%) SQL Server 2012
12 6 (2.01%) HBase
13 5 (1.68%) Apache Cassandra
13 5 (1.68%) MongoDB
13 5 (1.68%) SQL Server 2008
14 4 (1.34%) Apache Hive
14 4 (1.34%) PostgreSQL
Development Applications
1 46 (15.44%) Git (software)
2 35 (11.74%) JIRA
3 18 (6.04%) Maven
3 18 (6.04%) Visual Studio
4 15 (5.03%) Jenkins
5 13 (4.36%) Subversion
6 11 (3.69%) Ant
6 11 (3.69%) TeamCity
7 9 (3.02%) Octopus Deploy
8 6 (2.01%) Bitbucket
9 5 (1.68%) Gradle
9 5 (1.68%) Grunt
9 5 (1.68%) gulp
9 5 (1.68%) Metasploit
10 4 (1.34%) Atlassian Bamboo
10 4 (1.34%) Bower
10 4 (1.34%) JUnit
10 4 (1.34%) Robot Framework
10 4 (1.34%) Selenium
10 4 (1.34%) SonarQube
General
1 66 (22.15%) Finance
2 54 (18.12%) Banking
3 48 (16.11%) Telecoms
4 40 (13.42%) Investment Banking
5 36 (12.08%) Retail Banking
6 18 (6.04%) Marketing
7 11 (3.69%) Retail
8 10 (3.36%) Law
9 8 (2.68%) Publishing
10 7 (2.35%) Legal
11 5 (1.68%) Electronics
11 5 (1.68%) Games
11 5 (1.68%) Manufacturing
12 3 (1.01%) Advertising
12 3 (1.01%) German Language
13 1 (0.34%) Back Office
13 1 (0.34%) French Language
13 1 (0.34%) Italian Language
13 1 (0.34%) Spanish Language
Job Titles
1 48 (16.11%) Architect
2 37 (12.42%) Network Engineer
3 36 (12.08%) DevOps Engineer
4 28 (9.40%) Developer
5 25 (8.39%) IT Architect
5 25 (8.39%) Software Architect
6 23 (7.72%) Support Engineer
7 18 (6.04%) Infrastructure Engineer
7 18 (6.04%) Systems Engineer
8 17 (5.70%) Technical Architect
9 16 (5.37%) 3rd Line Engineer
9 16 (5.37%) IT Engineer
9 16 (5.37%) Linux Engineer
10 15 (5.03%) Analyst
10 15 (5.03%) Senior Network Engineer
11 14 (4.70%) Consultant
11 14 (4.70%) IT Manager
11 14 (4.70%) Senior DevOps
12 13 (4.36%) Senior DevOps Engineer
12 13 (4.36%) Solutions Architect
Libraries, Frameworks & Software Standards
1 77 (25.84%) Web Services
2 67 (22.48%) XML
3 57 (19.13%) JSON
4 53 (17.79%) .NET
5 26 (8.72%) SOAP
6 23 (7.72%) REST
7 19 (6.38%) Django
8 18 (6.04%) HTML
8 18 (6.04%) RESTful
9 17 (5.70%) AngularJS
9 17 (5.70%) CSS
9 17 (5.70%) SAML
10 16 (5.37%) ASP.NET
11 15 (5.03%) Ajax
11 15 (5.03%) OAuth
12 14 (4.70%) Node.js
13 12 (4.03%) jQuery
13 12 (4.03%) LDAP
13 12 (4.03%) LEMP Stack
13 12 (4.03%) WSDL
Miscellaneous
1 47 (15.77%) Algorithms
2 45 (15.10%) Data Structures
3 35 (11.74%) Analytical Skills
4 34 (11.41%) Data Centre
5 31 (10.40%) Enterprise Software
6 25 (8.39%) Reference Data
7 22 (7.38%) Private Cloud
8 19 (6.38%) Management Information System
9 18 (6.04%) Computer Science
10 16 (5.37%) Mobile App
11 15 (5.03%) Linux Command Line
12 13 (4.36%) Public Cloud
13 11 (3.69%) Replication
13 11 (3.69%) Wiki
14 10 (3.36%) Greenfield Project
14 10 (3.36%) PKI
15 9 (3.02%) Smartphone
16 7 (2.35%) Fintech
17 6 (2.01%) STB
17 6 (2.01%) User Experience
Operating Systems
1 116 (38.93%) Linux
2 89 (29.87%) Windows
3 40 (13.42%) Unix
3 40 (13.42%) Windows Server
4 20 (6.71%) Ubuntu
5 18 (6.04%) Debian
6 10 (3.36%) Windows Server 2008
6 10 (3.36%) Windows Server 2012
7 9 (3.02%) Apple iOS
7 9 (3.02%) Red Hat Enterprise Linux
8 6 (2.01%) Android
9 5 (1.68%) Kali Linux
9 5 (1.68%) Mac OS X
9 5 (1.68%) Windows 7
9 5 (1.68%) Windows Vista
10 4 (1.34%) Mac OS
11 3 (1.01%) CentOS
11 3 (1.01%) Windows Server 2003
12 2 (0.67%) AIX
12 2 (0.67%) Solaris
Processes & Methodologies
1 66 (22.15%) Agile Software Development
2 61 (20.47%) DevOps
3 56 (18.79%) OO
4 42 (14.09%) Asset Management
5 38 (12.75%) Disaster Recovery
6 37 (12.42%) OOD
6 37 (12.42%) Wealth Management
7 36 (12.08%) UML
8 34 (11.41%) High Availability
9 32 (10.74%) Business Continuity
10 29 (9.73%) Load Balancing
11 27 (9.06%) BPMN
11 27 (9.06%) Data Modelling
12 26 (8.72%) BCP
12 26 (8.72%) Scrum
13 25 (8.39%) Release Management
14 24 (8.05%) Configuration Management
14 24 (8.05%) Continuous Integration
15 20 (6.71%) Analytics
16 19 (6.38%) MVC
Programming Languages
1 85 (28.52%) SQL
2 84 (28.19%) Python
3 52 (17.45%) Java
4 39 (13.09%) PowerShell
5 33 (11.07%) Perl
6 31 (10.40%) Bash Shell
7 27 (9.06%) Shell Script
8 25 (8.39%) JavaScript
9 23 (7.72%) Tcl
10 21 (7.05%) PHP
11 20 (6.71%) C#
12 17 (5.70%) C++
13 14 (4.70%) C
14 11 (3.69%) MATLAB
14 11 (3.69%) R
14 11 (3.69%) T-SQL
15 7 (2.35%) Ruby
16 6 (2.01%) Objective-C
17 3 (1.01%) Lua
17 3 (1.01%) Scala
Qualifications
1 49 (16.44%) Cisco Certification
2 32 (10.74%) Degree
3 30 (10.07%) CCNP
4 22 (7.38%) Microsoft Certification
5 20 (6.71%) MCSE
6 19 (6.38%) CISSP
7 17 (5.70%) CCIE
8 16 (5.37%) CCNA
9 11 (3.69%) Security Cleared
10 10 (3.36%) CISA
10 10 (3.36%) SANS
11 7 (2.35%) MCP
12 6 (2.01%) CEH
12 6 (2.01%) CISM
12 6 (2.01%) PMI Certification
12 6 (2.01%) PMP
12 6 (2.01%) SC Cleared
13 4 (1.34%) MCITP
13 4 (1.34%) MCTS
13 4 (1.34%) MOS
Quality Assurance & Compliance
1 8 (2.68%) PCI DSS
1 8 (2.68%) QA
1 8 (2.68%) SLA
2 7 (2.35%) GDPR
2 7 (2.35%) ISO/IEC 27001
3 4 (1.34%) Cyber Essentials
4 2 (0.67%) GCP
5 1 (0.34%) HL7
System Software
1 67 (22.48%) Active Directory
2 58 (19.46%) VMware Infrastructure
3 26 (8.72%) Docker
4 16 (5.37%) VMware Workstation
5 15 (5.03%) VMware ESXi
6 12 (4.03%) Postfix
7 11 (3.69%) BIND 9
7 11 (3.69%) Kamailio
8 10 (3.36%) Hyper-V
8 10 (3.36%) vSphere
9 6 (2.01%) Virtual Machines
10 5 (1.68%) Snort
10 5 (1.68%) vCloud
11 4 (1.34%) KVM
12 3 (1.01%) Virtual Servers
13 2 (0.67%) Apache Flume
13 2 (0.67%) HDFS
13 2 (0.67%) NFS
13 2 (0.67%) Varnish
13 2 (0.67%) XenDesktop
Systems Management
1 32 (10.74%) Ansible
2 24 (8.05%) Puppet
3 15 (5.03%) FortiGate
4 13 (4.36%) Nagios
5 12 (4.03%) HAProxy
6 11 (3.69%) Cacti
6 11 (3.69%) Munin
7 10 (3.36%) Cisco CUCM
7 10 (3.36%) Opscode Chef
8 9 (3.02%) Nessus
9 7 (2.35%) Kubernetes
10 5 (1.68%) Mesos
10 5 (1.68%) Terraform
10 5 (1.68%) WSUS
11 4 (1.34%) NetBackup
11 4 (1.34%) Norton AntiVirus
11 4 (1.34%) Prometheus
11 4 (1.34%) QRadar
11 4 (1.34%) Salt
12 3 (1.01%) McAfee ePO
Vendors
1 83 (27.85%) Cisco
2 67 (22.48%) VMware
3 61 (20.47%) Microsoft
4 28 (9.40%) Juniper
5 25 (8.39%) GoldenSource
6 23 (7.72%) F5
7 19 (6.38%) Palo Alto
8 18 (6.04%) Splunk
9 16 (5.37%) Oracle
10 15 (5.03%) Symantec
11 13 (4.36%) Fortinet
12 12 (4.03%) Dell
13 9 (3.02%) CheckPoint
14 8 (2.68%) Avaya
14 8 (2.68%) IronPort
14 8 (2.68%) Qualys
15 7 (2.35%) Brocade
15 7 (2.35%) Citrix
15 7 (2.35%) Sourcefire
16 6 (2.01%) HP