Period
to 26 September 2021

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 26 September 2021 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
England > London
6 months to
26 Sep 2021
Same period 2020 Same period 2019
Rank 527 422 578
Rank change year-on-year -105 +156 +5
Permanent jobs citing SSL 187 59 169
As % of all permanent jobs advertised in London 0.38% 0.30% 0.30%
As % of the Communications & Networking category 3.31% 2.17% 2.35%
Number of salaries quoted 122 44 129
10th Percentile £35,000 £52,250 £45,000
25th Percentile £40,000 £62,188 £50,000
Median annual salary (50th Percentile) £50,250 £72,500 £60,000
Median % change year-on-year -30.69% +20.83% -
75th Percentile £67,500 £79,813 £76,250
90th Percentile £84,750 £90,000 £80,000
England median annual salary £50,000 £62,500 £55,000
% change year-on-year -20.00% +13.64% +10.00%

SSL is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all 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 5,651 2,713 7,187
As % of all permanent IT jobs advertised in London 11.59% 13.68% 12.90%
Number of salaries quoted 3,693 2,254 5,895
10th Percentile £33,000 £36,250 £28,750
25th Percentile £46,250 £47,500 £37,500
Median annual salary (50th Percentile) £62,500 £65,000 £55,000
Median % change year-on-year -3.85% +18.18% -
75th Percentile £80,000 £80,000 £75,000
90th Percentile £95,000 £95,000 £87,500
England median annual salary £50,000 £52,500 £46,000
% change year-on-year -4.76% +14.13% -3.16%

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
Salary Trend in London

3-month moving average salary quoted in jobs citing SSL in London.

Salary trend for SSL in London

SSL
Salary Histogram in London

Salary distribution for jobs citing SSL in London over the 6 months to 26 September 2021.

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 26 September 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
West London -63 12 £45,000 - 3
Central London -60 8 £49,750 -36.42% 7
East London -12 5 £55,000 -25.93% 3
South London -22 2 £70,000 - 2
SSL
England

For the 6 months to 26 September 2021, 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 87 (46.52%) DNS
2 74 (39.57%) Linux
3 67 (35.83%) Azure
4 56 (29.95%) Windows
4 56 (29.95%) Firewall
5 51 (27.27%) Active Directory
6 49 (26.20%) Microsoft
7 45 (24.06%) Red Hat
8 42 (22.46%) SQL
8 42 (22.46%) Microsoft 365
9 41 (21.93%) Ansible
9 41 (21.93%) Java
10 40 (21.39%) AWS
10 40 (21.39%) Problem-Solving
11 39 (20.86%) VPN
12 38 (20.32%) HTTP
12 38 (20.32%) Kubernetes
13 36 (19.25%) DevOps
13 36 (19.25%) Git (software)
14 35 (18.72%) PowerShell
14 35 (18.72%) Finance
15 34 (18.18%) JIRA
16 33 (17.65%) Disaster Recovery
17 32 (17.11%) Agile Software Development
17 32 (17.11%) SQL Server
18 31 (16.58%) SMTP
18 31 (16.58%) DHCP
18 31 (16.58%) Computer Science
18 31 (16.58%) Social Skills
19 30 (16.04%) Infrastructure Engineering

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 (10.70%) IIS
2 19 (10.16%) Elasticsearch
3 17 (9.09%) Apache
4 16 (8.56%) MS Exchange
5 14 (7.49%) WordPress
6 13 (6.95%) nginx
7 10 (5.35%) Confluence
8 7 (3.74%) SharePoint
9 6 (3.21%) Tomcat
10 5 (2.67%) CMS
10 5 (2.67%) Exchange Server 2013
10 5 (2.67%) JCAPS
10 5 (2.67%) Oracle SOA Suite
11 2 (1.07%) Headless CMS
12 1 (0.53%) Apache Spark
12 1 (0.53%) concrete5
12 1 (0.53%) EPiServer
12 1 (0.53%) OpenStack
12 1 (0.53%) Sitecore CMS
12 1 (0.53%) WebSphere
Applications
1 8 (4.28%) Microsoft Office
2 7 (3.74%) MS Visio
Business Applications
1 13 (6.95%) R3 Corda
2 12 (6.42%) Distributed Ledger
3 1 (0.53%) Dynamics CRM
3 1 (0.53%) Dynamics GP
Cloud Services
1 67 (35.83%) Azure
2 42 (22.46%) Microsoft 365
3 40 (21.39%) AWS
4 25 (13.37%) Amazon EC2
5 21 (11.23%) Azure Active Directory
6 15 (8.02%) Azure Stack
7 13 (6.95%) Cloudflare
7 13 (6.95%) GCP
7 13 (6.95%) Serverless
8 12 (6.42%) GitHub
9 11 (5.88%) Google Workspace
10 10 (5.35%) Mimecast
11 9 (4.81%) PaaS
12 8 (4.28%) Azure Storage
13 7 (3.74%) IaaS
14 4 (2.14%) SaaS
15 3 (1.60%) Amazon ELB
15 3 (1.60%) AWS Direct Connect
15 3 (1.60%) AWS Lambda
15 3 (1.60%) Route 53
Communications & Networking
1 87 (46.52%) DNS
2 56 (29.95%) Firewall
3 39 (20.86%) VPN
4 38 (20.32%) HTTP
5 31 (16.58%) DHCP
5 31 (16.58%) SMTP
6 28 (14.97%) LAN
7 26 (13.90%) WAN
8 24 (12.83%) TCP/IP
9 22 (11.76%) VoIP
10 15 (8.02%) SAN
11 14 (7.49%) Broadband
11 14 (7.49%) IPsec
12 12 (6.42%) VLAN
13 11 (5.88%) SNMP
14 10 (5.35%) Wireless
15 9 (4.81%) Internet
15 9 (4.81%) Network Security
16 8 (4.28%) BGP
16 8 (4.28%) OSPF
Database & Business Intelligence
1 32 (17.11%) SQL Server
2 24 (12.83%) PostgreSQL
3 21 (11.23%) Oracle Database
4 14 (7.49%) MariaDB
5 13 (6.95%) Blockchain
6 12 (6.42%) MySQL
7 9 (4.81%) Relational Database
8 4 (2.14%) NoSQL
8 4 (2.14%) SQL Server Analysis Services
8 4 (2.14%) SQL Server Integration Services
8 4 (2.14%) SQL Server Reporting Services
9 3 (1.60%) Amazon RDS
9 3 (1.60%) MongoDB
9 3 (1.60%) RDBMS
10 1 (0.53%) Couchbase
Development Applications
1 36 (19.25%) Git (software)
2 34 (18.18%) JIRA
3 29 (15.51%) Jenkins
4 22 (11.76%) Maven
5 16 (8.56%) JUnit
5 16 (8.56%) Mockito
6 11 (5.88%) webpack
7 6 (3.21%) Gradle
8 5 (2.67%) Rational Rhapsody
8 5 (2.67%) Subversion
9 4 (2.14%) TeamCity
10 2 (1.07%) Bitbucket
10 2 (1.07%) GitLab
10 2 (1.07%) Octopus Deploy
11 1 (0.53%) AppScan
11 1 (0.53%) Artifactory
11 1 (0.53%) Burp Suite
11 1 (0.53%) Firebug
11 1 (0.53%) GoCD
11 1 (0.53%) Selenium
General
1 35 (18.72%) Finance
2 31 (16.58%) Social Skills
3 12 (6.42%) Banking
4 11 (5.88%) Billing
5 10 (5.35%) Telecoms
6 7 (3.74%) Documentation Skills
7 4 (2.14%) Publishing
8 3 (1.60%) Analytical Skills
8 3 (1.60%) Influencing Skills
9 2 (1.07%) Marketing
9 2 (1.07%) Pharmaceutical
9 2 (1.07%) Presentation Skills
10 1 (0.53%) Games
10 1 (0.53%) Inclusion and Diversity
10 1 (0.53%) Investment Banking
Job Titles
1 21 (11.23%) Infrastructure Engineer
2 17 (9.09%) Developer
3 16 (8.56%) Cloud Engineer
4 14 (7.49%) 3rd Line Engineer
5 13 (6.95%) Administrator
5 13 (6.95%) DevOps Engineer
5 13 (6.95%) Linux Engineer
5 13 (6.95%) Network Engineer
5 13 (6.95%) Software Engineer
6 12 (6.42%) 3rd Line Infrastructure Engineer
6 12 (6.42%) Systems Administrator
7 11 (5.88%) Azure Engineer
7 11 (5.88%) Platform Engineer
7 11 (5.88%) Systems Support
7 11 (5.88%) WordPress Developer
8 10 (5.35%) Azure Administrator
8 10 (5.35%) Cloud Infrastructure Engineer
8 10 (5.35%) Linux Systems Engineer
8 10 (5.35%) Senior Developer
8 10 (5.35%) Systems Engineer
Libraries, Frameworks & Software Standards
1 28 (14.97%) XML
2 22 (11.76%) Kafka
3 21 (11.23%) JDBC
3 21 (11.23%) Web Services
3 21 (11.23%) XSLT
4 20 (10.70%) Elastic Stack
5 16 (8.56%) JPA
5 16 (8.56%) XML Schema
6 15 (8.02%) RESTful
7 13 (6.95%) CSS
7 13 (6.95%) LAMP
7 13 (6.95%) REST
7 13 (6.95%) Spring
8 12 (6.42%) HTML
8 12 (6.42%) Spring Boot
9 11 (5.88%) Sass
10 10 (5.35%) LAPP Stack
10 10 (5.35%) LEMP Stack
11 8 (4.28%) .NET
11 8 (4.28%) Java EE
Miscellaneous
1 27 (14.44%) Clustering
2 16 (8.56%) Enterprise Software
2 16 (8.56%) iPhone
2 16 (8.56%) PKI
2 16 (8.56%) SWIFT
3 15 (8.02%) Enterprise Storage
4 11 (5.88%) Data Centre
4 11 (5.88%) Renewable Energy
5 10 (5.35%) Self-Motivation
6 9 (4.81%) User Experience
7 6 (3.21%) Management Information System
8 5 (2.67%) Linux Command Line
8 5 (2.67%) NHS
9 3 (1.60%) Private Cloud
9 3 (1.60%) Video Conferencing
10 2 (1.07%) Hedge funds
11 1 (0.53%) iPad
11 1 (0.53%) Public Cloud
11 1 (0.53%) Reinsurance
11 1 (0.53%) Social Media
Operating Systems
1 74 (39.57%) Linux
2 56 (29.95%) Windows
3 24 (12.83%) Windows Server
4 16 (8.56%) Red Hat Enterprise Linux
5 13 (6.95%) CentOS
5 13 (6.95%) Mac OS
6 12 (6.42%) Unix
6 12 (6.42%) Windows 10
7 6 (3.21%) Windows Server 2012
8 2 (1.07%) Windows Server 2016
8 2 (1.07%) Windows Server 2019
9 1 (0.53%) VMS
Processes & Methodologies
1 40 (21.39%) Problem-Solving
2 36 (19.25%) DevOps
3 33 (17.65%) Disaster Recovery
4 32 (17.11%) Agile Software Development
5 31 (16.58%) Computer Science
6 30 (16.04%) Infrastructure Engineering
7 25 (13.37%) Continuous Delivery
8 23 (12.30%) Software Engineering
9 22 (11.76%) Change Control
10 19 (10.16%) Project Management
11 18 (9.63%) Product Management
12 16 (8.56%) Configuration Management
12 16 (8.56%) Data Modelling
12 16 (8.56%) Integration Testing
12 16 (8.56%) Load Balancing
12 16 (8.56%) Multithreading
12 16 (8.56%) Process Management
12 16 (8.56%) Software Deployment
12 16 (8.56%) Strategic Roadmap
12 16 (8.56%) Unit Testing
Programming Languages
1 42 (22.46%) SQL
2 41 (21.93%) Java
3 35 (18.72%) PowerShell
4 17 (9.09%) Java 8
4 17 (9.09%) Python
5 14 (7.49%) Kotlin
6 13 (6.95%) Bash Shell
7 12 (6.42%) PHP
8 8 (4.28%) JavaScript
9 5 (2.67%) PL/SQL
9 5 (2.67%) TypeScript
9 5 (2.67%) VB
10 4 (2.14%) C#
11 1 (0.53%) C
11 1 (0.53%) C++
11 1 (0.53%) Perl
11 1 (0.53%) Scala
11 1 (0.53%) T-SQL
Qualifications
1 28 (14.97%) Degree
2 17 (9.09%) Computer Science Degree
3 11 (5.88%) CCNP
3 11 (5.88%) Cisco Certification
4 8 (4.28%) CCNA
5 2 (1.07%) CISSP
5 2 (1.07%) ITIL Certification
6 1 (0.53%) CEH
6 1 (0.53%) CISA
6 1 (0.53%) CISM
6 1 (0.53%) EC-Council LPT
6 1 (0.53%) ECSA
6 1 (0.53%) JNCIP
6 1 (0.53%) LPIC
6 1 (0.53%) MCP
6 1 (0.53%) MCSE
6 1 (0.53%) Microsoft Certification
6 1 (0.53%) SANS
6 1 (0.53%) Security Cleared
Quality Assurance & Compliance
1 15 (8.02%) QA
2 12 (6.42%) Accessibility
3 11 (5.88%) WCAG
4 6 (3.21%) ISO/IEC 27001
5 5 (2.67%) HL7
6 4 (2.14%) SLA
7 3 (1.60%) GDPR
8 2 (1.07%) Cyber Essentials
8 2 (1.07%) Cyber Essentials PLUS
9 1 (0.53%) HIPAA
9 1 (0.53%) NIST
9 1 (0.53%) PCI DSS
9 1 (0.53%) Sarbanes-Oxley
System Software
1 51 (27.27%) Active Directory
2 23 (12.30%) Docker
3 22 (11.76%) vSphere
4 16 (8.56%) Apache ZooKeeper
4 16 (8.56%) Hyper-V
5 10 (5.35%) iptables
6 8 (4.28%) VMware Infrastructure
7 5 (2.67%) XenDesktop
8 3 (1.60%) Varnish
9 2 (1.07%) BitLocker
9 2 (1.07%) VMware ESXi
10 1 (0.53%) NFS
10 1 (0.53%) UAG
10 1 (0.53%) Virtual Servers
10 1 (0.53%) VMware NSX
10 1 (0.53%) Xen
Systems Management
1 41 (21.93%) Ansible
2 38 (20.32%) Kubernetes
3 27 (14.44%) Terraform
4 20 (10.70%) Puppet
5 19 (10.16%) Prometheus
6 18 (9.63%) Grafana
7 15 (8.02%) SCCM
8 14 (7.49%) Failover Clustering
9 12 (6.42%) Opscode Chef
10 9 (4.81%) Graphite
10 9 (4.81%) HAProxy
10 9 (4.81%) HP Quality Center
11 8 (4.28%) Istio
12 7 (3.74%) FortiGate
13 6 (3.21%) Microsoft Intune
14 4 (2.14%) Cisco Prime
14 4 (2.14%) Nagios
15 3 (1.60%) Icinga
15 3 (1.60%) ZABBIX
16 2 (1.07%) Nessus
Vendors
1 49 (26.20%) Microsoft
2 45 (24.06%) Red Hat
3 30 (16.04%) Cisco
4 29 (15.51%) VMware
5 23 (12.30%) Oracle
6 17 (9.09%) Aruba
7 16 (8.56%) SonicWALL
8 15 (8.02%) 3PAR
8 15 (8.02%) Apple
8 15 (8.02%) F5
8 15 (8.02%) Scality
9 14 (7.49%) Palo Alto
10 12 (6.42%) Splunk
11 10 (5.35%) Atlassian
12 9 (4.81%) SolarWinds
13 8 (4.28%) CheckPoint
14 6 (3.21%) Citrix
15 5 (2.67%) Avaya
15 5 (2.67%) Dell
15 5 (2.67%) Google