Period
to 18 November 2017

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 18 November 2017 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 481 471 467
Rank change year-on-year -10 -4 -34
Permanent jobs citing SSL 399 409 537
As % of all permanent IT jobs advertised in London 0.53% 0.54% 0.60%
As % of the Communications & Networking category 3.68% 3.38% 3.77%
Number of salaries quoted 303 364 465
London median annual salary £55,000 £60,000 £55,000
Median salary % change year-on-year -8.33% +9.09% +10.00%
10th Percentile £36,250 £36,250 £32,500
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 10855 12094 14227
As % of all permanent IT jobs advertised in London 14.47% 15.92% 15.94%
Number of salaries quoted 8853 10343 12053
London median annual salary £54,000 £53,000 £50,000
Median salary % change year-on-year +1.89% +6.00% -
10th Percentile £30,000 £30,000 £27,500
90th Percentile £80,000 £80,000 £78,750
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 18 November 2017.

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 18 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -2 61 £55,000 -8.33% 2
West London +47 50 £45,000 -10.00% 3
South London +3 3 £32,500 -35.00% 1
East London -8 1 £31,000 -17.33% 3
North London - 1 £37,500 -
SSL
England

For the 6 months to 18 November 2017, IT jobs citing SSL also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for SSL.

1 185 (46.37%) Firewall
2 162 (40.60%) Linux
3 151 (37.84%) HTTP
4 140 (35.09%) VPN
5 134 (33.58%) TCP/IP
6 133 (33.33%) Windows
7 117 (29.32%) SQL
8 112 (28.07%) Cisco
9 103 (25.81%) IPsec
10 100 (25.06%) Active Directory
11 94 (23.56%) Finance
12 92 (23.06%) DNS
13 91 (22.81%) VMware
14 84 (21.05%) Python
15 81 (20.30%) Web Services
15 81 (20.30%) Banking
16 77 (19.30%) XML
17 76 (19.05%) Asset Management
18 75 (18.80%) JSON
18 75 (18.80%) OO
18 75 (18.80%) Internet
18 75 (18.80%) BGP
19 70 (17.54%) VMware Infrastructure
20 67 (16.79%) Microsoft
20 67 (16.79%) DevOps
20 67 (16.79%) Algorithms
21 66 (16.54%) WAN
22 65 (16.29%) Data Structures
23 64 (16.04%) Cisco Certification
24 63 (15.79%) Amazon AWS

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 53 (13.28%) MS Exchange
2 48 (12.03%) IIS
3 30 (7.52%) Confluence
4 23 (5.76%) nginx
5 20 (5.01%) Exchange Server 2010
6 19 (4.76%) Apache
6 19 (4.76%) OpenStack
7 13 (3.26%) NServiceBus
8 11 (2.76%) Cloud Foundry
9 10 (2.51%) CMS
10 9 (2.26%) uWSGI
11 5 (1.25%) Apache Solr
11 5 (1.25%) SAS
11 5 (1.25%) Skype for Business
12 4 (1.00%) JBoss
13 3 (0.75%) Apache Pig
13 3 (0.75%) Blackberry Enterprise Server
13 3 (0.75%) MQSeries
13 3 (0.75%) SharePoint
13 3 (0.75%) WebSphere
Applications
1 11 (2.76%) Microsoft Office
2 9 (2.26%) MS Visio
3 3 (0.75%) Microsoft Excel
4 2 (0.50%) Maya
5 1 (0.25%) Microsoft PowerPoint
5 1 (0.25%) S-PLUS
Business Applications
1 6 (1.50%) Payment Gateway
2 1 (0.25%) MetaTrader
Cloud Services
1 63 (15.79%) Amazon AWS
2 57 (14.29%) Microsoft Azure
3 38 (9.52%) Office 365
4 26 (6.52%) Amazon CloudWatch
5 20 (5.01%) SaaS
6 10 (2.51%) IaaS
7 8 (2.01%) PaaS
8 7 (1.75%) Cloud Computing
9 6 (1.50%) GitHub
10 4 (1.00%) Akamai
10 4 (1.00%) Amazon EC2
10 4 (1.00%) Amazon S3
11 3 (0.75%) Fastly
11 3 (0.75%) Sage Pay
12 2 (0.50%) Azure Active Directory
12 2 (0.50%) G Suite
12 2 (0.50%) Google Cloud Platform
12 2 (0.50%) Route 53
13 1 (0.25%) Amazon ELB
13 1 (0.25%) Virtual Private Cloud
Communications & Networking
1 185 (46.37%) Firewall
2 151 (37.84%) HTTP
3 140 (35.09%) VPN
4 134 (33.58%) TCP/IP
5 103 (25.81%) IPsec
6 92 (23.06%) DNS
7 75 (18.80%) BGP
7 75 (18.80%) Internet
8 66 (16.54%) WAN
9 62 (15.54%) OSPF
10 59 (14.79%) LAN
11 48 (12.03%) MPLS
12 47 (11.78%) VLAN
13 43 (10.78%) Cisco ASA
14 42 (10.53%) Wireless
15 38 (9.52%) VoIP
16 37 (9.27%) Network Security
17 33 (8.27%) DHCP
17 33 (8.27%) SNMP
18 32 (8.02%) FTP
Database & Business Intelligence
1 55 (13.78%) Relational Database
2 50 (12.53%) MySQL
3 49 (12.28%) Data Warehouse
3 49 (12.28%) SQL Server
4 23 (5.76%) NoSQL
5 20 (5.01%) Big Data
6 17 (4.26%) Hadoop
7 11 (2.76%) KDB
7 11 (2.76%) Kdb+
7 11 (2.76%) RDBMS
8 10 (2.51%) SQL Server 2012
9 7 (1.75%) MariaDB
10 6 (1.50%) MongoDB
10 6 (1.50%) Oracle Database
11 5 (1.25%) InfluxDB
11 5 (1.25%) OLAP
11 5 (1.25%) OpenTSDB
11 5 (1.25%) Oracle OLAP
11 5 (1.25%) SQL Server 2014
11 5 (1.25%) SQL Server Reporting Services
Development Applications
1 41 (10.28%) Git (software)
2 36 (9.02%) JIRA
3 25 (6.27%) Visual Studio
4 14 (3.51%) TeamCity
5 12 (3.01%) Maven
5 12 (3.01%) Octopus Deploy
6 11 (2.76%) Bitbucket
7 10 (2.51%) Ant
7 10 (2.51%) Subversion
8 7 (1.75%) Metasploit
9 6 (1.50%) Jenkins
10 5 (1.25%) Jasmine
11 4 (1.00%) Selenium
12 3 (0.75%) Atlassian Bamboo
12 3 (0.75%) CircleCI
12 3 (0.75%) CodeSonar
12 3 (0.75%) git-flow
12 3 (0.75%) Robot Framework
13 2 (0.50%) Karma Test Runner
13 2 (0.50%) Protractor
General
1 94 (23.56%) Finance
2 81 (20.30%) Banking
3 56 (14.04%) Investment Banking
4 55 (13.78%) Retail Banking
5 47 (11.78%) Telecoms
6 21 (5.26%) Marketing
7 16 (4.01%) Law
8 12 (3.01%) Retail
9 10 (2.51%) Publishing
10 8 (2.01%) Electronics
10 8 (2.01%) Manufacturing
11 6 (1.50%) Games
12 4 (1.00%) German Language
13 3 (0.75%) Legal
14 2 (0.50%) Advertising
15 1 (0.25%) Automotive
15 1 (0.25%) Back Office
15 1 (0.25%) French Language
15 1 (0.25%) Italian Language
15 1 (0.25%) Spanish Language
Job Titles
1 66 (16.54%) Network Engineer
2 56 (14.04%) Architect
3 45 (11.28%) IT Architect
4 44 (11.03%) Software Architect
5 41 (10.28%) Analyst
6 38 (9.52%) DevOps Engineer
7 31 (7.77%) Support Engineer
8 28 (7.02%) Developer
8 28 (7.02%) Senior Network Engineer
9 27 (6.77%) 3rd Line Engineer
10 25 (6.27%) Infrastructure Engineer
11 24 (6.02%) IT Analyst
12 23 (5.76%) Consultant
13 21 (5.26%) IT Engineer
14 19 (4.76%) IT Manager
15 18 (4.51%) IT Support
15 18 (4.51%) Linux Engineer
16 17 (4.26%) Support Analyst
16 17 (4.26%) Team Leader
17 16 (4.01%) Cisco Engineer
Libraries, Frameworks & Software Standards
1 81 (20.30%) Web Services
2 77 (19.30%) XML
3 75 (18.80%) JSON
4 48 (12.03%) .NET
5 20 (5.01%) HTML
5 20 (5.01%) REST
6 18 (4.51%) CSS
7 17 (4.26%) AngularJS
8 14 (3.51%) 802.1X
8 14 (3.51%) Ajax
8 14 (3.51%) ASP.NET
8 14 (3.51%) Django
8 14 (3.51%) RESTful
9 13 (3.26%) CSS3
9 13 (3.26%) HTML5
9 13 (3.26%) MSMQ
10 12 (3.01%) OAuth
11 11 (2.76%) SAML
11 11 (2.76%) SOAP
12 10 (2.51%) jQuery
Miscellaneous
1 67 (16.79%) Algorithms
2 65 (16.29%) Data Structures
3 46 (11.53%) Enterprise Software
4 44 (11.03%) Reference Data
5 40 (10.03%) Analytical Skills
6 39 (9.77%) Data Centre
7 27 (6.77%) Management Information System
8 21 (5.26%) Private Cloud
9 19 (4.76%) Public Cloud
10 16 (4.01%) PKI
11 15 (3.76%) Clustering
12 12 (3.01%) Computer Science
13 10 (2.51%) Fintech
14 9 (2.26%) Greenfield Project
14 9 (2.26%) Linux Command Line
14 9 (2.26%) Replication
15 7 (1.75%) Mobile App
15 7 (1.75%) Security Operations Centre
15 7 (1.75%) Wiki
16 6 (1.50%) User Experience
Operating Systems
1 162 (40.60%) Linux
2 133 (33.33%) Windows
3 49 (12.28%) Unix
4 46 (11.53%) Windows Server
5 32 (8.02%) Windows Server 2012
6 27 (6.77%) Red Hat Enterprise Linux
7 19 (4.76%) Ubuntu
8 16 (4.01%) Windows Server 2008
9 12 (3.01%) Debian
10 10 (2.51%) CentOS
11 9 (2.26%) Apple iOS
12 8 (2.01%) Windows 7
13 7 (1.75%) Android
13 7 (1.75%) Kali Linux
13 7 (1.75%) Solaris
14 6 (1.50%) Windows Vista
15 5 (1.25%) Windows 10
16 4 (1.00%) Mac OS
16 4 (1.00%) Mac OS X
17 3 (0.75%) Windows Server 2003
Processes & Methodologies
1 76 (19.05%) Asset Management
2 75 (18.80%) OO
3 67 (16.79%) DevOps
4 61 (15.29%) Agile Software Development
5 56 (14.04%) OOD
6 55 (13.78%) UML
6 55 (13.78%) Wealth Management
7 50 (12.53%) High Availability
8 49 (12.28%) Load Balancing
9 44 (11.03%) BPMN
9 44 (11.03%) Data Modelling
10 33 (8.27%) Scrum
11 32 (8.02%) Continuous Integration
12 28 (7.02%) Release Management
13 26 (6.52%) Service Delivery
14 25 (6.27%) Disaster Recovery
14 25 (6.27%) ITIL
15 23 (5.76%) Analytics
15 23 (5.76%) Configuration Management
16 21 (5.26%) Continuous Delivery
Programming Languages
1 117 (29.32%) SQL
2 84 (21.05%) Python
3 56 (14.04%) PowerShell
4 35 (8.77%) Java
5 33 (8.27%) Perl
6 32 (8.02%) Bash Shell
7 30 (7.52%) Shell Script
7 30 (7.52%) Tcl
8 25 (6.27%) JavaScript
9 19 (4.76%) PHP
10 17 (4.26%) C++
11 16 (4.01%) C#
12 14 (3.51%) T-SQL
13 13 (3.26%) Ruby
14 12 (3.01%) C
15 11 (2.76%) MATLAB
15 11 (2.76%) R
16 6 (1.50%) Objective-C
17 3 (0.75%) VB
18 2 (0.50%) Lua
Qualifications
1 64 (16.04%) Cisco Certification
2 47 (11.78%) CCNP
3 26 (6.52%) CCIE
4 25 (6.27%) Degree
5 17 (4.26%) Microsoft Certification
6 15 (3.76%) MCSE
7 13 (3.26%) CCNA
7 13 (3.26%) JNCIP
8 12 (3.01%) CISSP
9 8 (2.01%) CEH
9 8 (2.01%) MCP
9 8 (2.01%) Security Cleared
10 7 (1.75%) GIAC
11 6 (1.50%) SANS
12 5 (1.25%) SC Cleared
13 4 (1.00%) CCSA
13 4 (1.00%) CCSE
13 4 (1.00%) GSEC
13 4 (1.00%) MCITP
13 4 (1.00%) MCTS
Quality Assurance & Compliance
1 15 (3.76%) SLA
2 12 (3.01%) ISO/IEC 27001
3 7 (1.75%) GDPR
4 5 (1.25%) PCI DSS
5 4 (1.00%) QA
6 3 (0.75%) PMO
6 3 (0.75%) Sarbanes-Oxley
7 2 (0.50%) Cyber Essentials
7 2 (0.50%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 1 (0.25%) GCP
8 1 (0.25%) HL7
System Software
1 100 (25.06%) Active Directory
2 70 (17.54%) VMware Infrastructure
3 26 (6.52%) Docker
3 26 (6.52%) VMware ESXi
4 25 (6.27%) vSphere
5 17 (4.26%) VMware Workstation
6 16 (4.01%) Hyper-V
7 8 (2.01%) KVM
8 7 (1.75%) BIND 9
8 7 (1.75%) Kamailio
8 7 (1.75%) Postfix
8 7 (1.75%) Snort
9 6 (1.50%) LXC
9 6 (1.50%) NFS
10 5 (1.25%) Apache Flume
10 5 (1.25%) vCloud
10 5 (1.25%) Virtual Machines
11 4 (1.00%) Firmware
11 4 (1.00%) Virtual Servers
12 3 (0.75%) Varnish
Systems Management
1 35 (8.77%) Ansible
2 25 (6.27%) Puppet
3 24 (6.02%) FortiGate
3 24 (6.02%) WSUS
4 17 (4.26%) Nagios
4 17 (4.26%) vCenter Server
5 12 (3.01%) Opscode Chef
6 11 (2.76%) Cisco CUCM
6 11 (2.76%) Kubernetes
7 9 (2.26%) SCCM
8 8 (2.01%) HAProxy
8 8 (2.01%) Nessus
9 7 (1.75%) Cacti
9 7 (1.75%) Munin
10 6 (1.50%) Graphite
10 6 (1.50%) McAfee ePO
10 6 (1.50%) Mesos
11 5 (1.25%) Backup Exec
11 5 (1.25%) Prometheus
11 5 (1.25%) Terraform
Vendors
1 112 (28.07%) Cisco
2 91 (22.81%) VMware
3 67 (16.79%) Microsoft
4 51 (12.78%) Juniper
5 45 (11.28%) Palo Alto
6 44 (11.03%) GoldenSource
7 39 (9.77%) F5
8 26 (6.52%) Red Hat
8 26 (6.52%) Splunk
9 19 (4.76%) CheckPoint
9 19 (4.76%) Oracle
10 18 (4.51%) Fortinet
11 17 (4.26%) Symantec
12 15 (3.76%) Citrix
13 12 (3.01%) IronPort
14 11 (2.76%) Brocade
15 10 (2.51%) Dell
15 10 (2.51%) HP
15 10 (2.51%) Qualys
15 10 (2.51%) Sourcefire