Period
to 18 May 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 18 May 2021 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
England > London
6 months to
18 May 2021
Same period 2020 Same period 2019
Rank 487 508 552
Rank change year-on-year +21 +44 +50
Permanent jobs citing SSL 107 136 223
As % of all permanent jobs advertised in London 0.32% 0.34% 0.38%
As % of the Communications & Networking category 3.05% 2.64% 2.94%
Number of salaries quoted 92 110 178
10th Percentile £45,000 £46,250 £45,000
25th Percentile £50,000 £55,250 £47,500
Median annual salary (50th Percentile) £62,500 £68,750 £57,500
Median % change year-on-year -9.09% +19.57% -0.43%
75th Percentile £72,813 £78,438 £68,750
90th Percentile £78,750 £90,000 £81,250
England median annual salary £55,000 £55,500 £52,500
% change year-on-year -0.90% +5.71% +5.00%

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 3,512 5,142 7,574
As % of all permanent IT jobs advertised in London 10.44% 12.94% 12.84%
Number of salaries quoted 2,656 4,195 6,222
10th Percentile £36,250 £31,250 £29,000
25th Percentile £47,500 £41,250 £38,500
Median annual salary (50th Percentile) £62,500 £57,500 £55,000
Median % change year-on-year +8.70% +4.55% -
75th Percentile £80,000 £75,000 £75,000
90th Percentile £91,250 £87,500 £87,500
England median annual salary £50,000 £49,556 £47,500
% change year-on-year +0.90% +4.33% -

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 18 May 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 18 May 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 +42 13 £50,000 +17.65% 3
Central London +36 6 £52,500 -12.50% 5
South London +20 2 £65,000 +62.50%
SSL
England

For the 6 months to 18 May 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 53 (49.53%) Azure
2 52 (48.60%) DNS
3 49 (45.79%) Firewall
4 43 (40.19%) Microsoft
5 42 (39.25%) VPN
6 38 (35.51%) Apache
6 38 (35.51%) DHCP
7 35 (32.71%) Windows
8 32 (29.91%) Linux
9 31 (28.97%) HTTP
10 29 (27.10%) XML
11 28 (26.17%) VMware
11 28 (26.17%) Social Skills
12 27 (25.23%) Active Directory
13 25 (23.36%) TCP/IP
13 25 (23.36%) PowerShell
13 25 (23.36%) DevOps
14 24 (22.43%) Information Security
15 23 (21.50%) Disaster Recovery
15 23 (21.50%) Finance
15 23 (21.50%) AWS
15 23 (21.50%) Kafka
16 22 (20.56%) Windows Server
16 22 (20.56%) Infrastructure Engineering
16 22 (20.56%) ITSM
17 21 (19.63%) ETL
17 21 (19.63%) VMware Infrastructure
17 21 (19.63%) Business Analysis
17 21 (19.63%) Problem-Solving
17 21 (19.63%) Public Cloud

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 38 (35.51%) Apache
2 11 (10.28%) Exchange Server 2013
3 10 (9.35%) Confluence
4 7 (6.54%) nginx
5 5 (4.67%) Drupal
5 5 (4.67%) Facebook Platform
5 5 (4.67%) SharePoint
5 5 (4.67%) Tomcat
6 3 (2.80%) Apache Spark
6 3 (2.80%) IIS
7 2 (1.87%) CMS
7 2 (1.87%) Red Hat Fuse
7 2 (1.87%) WebLogic
7 2 (1.87%) WordPress
8 1 (0.93%) Headless CMS
8 1 (0.93%) JCAPS
8 1 (0.93%) OpenStack
8 1 (0.93%) Oracle SOA Suite
Applications
1 2 (1.87%) Gephi
2 1 (0.93%) Microsoft Office
2 1 (0.93%) MS Visio
Business Applications
1 9 (8.41%) Remedy ITSM
2 1 (0.93%) Dynamics GP
Cloud Services
1 53 (49.53%) Azure
2 23 (21.50%) AWS
3 21 (19.63%) Microsoft 365
4 16 (14.95%) SaaS
5 11 (10.28%) IaaS
6 9 (8.41%) Amazon EC2
6 9 (8.41%) PaaS
7 5 (4.67%) DigitalOcean
8 4 (3.74%) Azure Active Directory
8 4 (3.74%) Google Workspace
8 4 (3.74%) Serverless
9 3 (2.80%) GCP
9 3 (2.80%) GitHub
10 2 (1.87%) Amazon ELB
10 2 (1.87%) AWS CodePipeline
10 2 (1.87%) AWS Lambda
10 2 (1.87%) Azure ExpressRoute
10 2 (1.87%) Route 53
10 2 (1.87%) Virtual Private Cloud
11 1 (0.93%) Cloud Computing
Communications & Networking
1 52 (48.60%) DNS
2 49 (45.79%) Firewall
3 42 (39.25%) VPN
4 38 (35.51%) DHCP
5 31 (28.97%) HTTP
6 25 (23.36%) TCP/IP
7 16 (14.95%) SAN
8 14 (13.08%) VoIP
9 12 (11.21%) WAN
10 11 (10.28%) Remote Desktop
10 11 (10.28%) VLAN
11 10 (9.35%) LAN
12 9 (8.41%) Cisco ASA
13 8 (7.48%) NetScaler
13 8 (7.48%) SMTP
14 7 (6.54%) HTTPS
14 7 (6.54%) Internet
14 7 (6.54%) Intrusion Detection
14 7 (6.54%) IPsec
14 7 (6.54%) SNMP
Database & Business Intelligence
1 13 (12.15%) PostgreSQL
2 11 (10.28%) NoSQL
3 10 (9.35%) MySQL
4 6 (5.61%) SQL Server
5 5 (4.67%) MariaDB
6 3 (2.80%) Big Data
7 2 (1.87%) Amazon RDS
7 2 (1.87%) Apache Hive
7 2 (1.87%) Impala
7 2 (1.87%) MongoDB
7 2 (1.87%) Oracle Database
7 2 (1.87%) Relational Database
7 2 (1.87%) SQL Server 2012
7 2 (1.87%) SQL Server 2014
7 2 (1.87%) SQL Server 2017
8 1 (0.93%) Couchbase
8 1 (0.93%) RDBMS
Development Applications
1 15 (14.02%) JIRA
2 13 (12.15%) Git (software)
3 7 (6.54%) Jenkins
4 4 (3.74%) Maven
5 3 (2.80%) Bitbucket
6 2 (1.87%) Bitbucket Server
6 2 (1.87%) git-flow
6 2 (1.87%) Octopus Deploy
6 2 (1.87%) Oracle APEX
6 2 (1.87%) Sonatype Nexus
6 2 (1.87%) TeamCity
6 2 (1.87%) Toad
7 1 (0.93%) DbUnit
7 1 (0.93%) jMock
7 1 (0.93%) JUnit
7 1 (0.93%) Karma Test Runner
7 1 (0.93%) Mockito
7 1 (0.93%) Selenium
7 1 (0.93%) Subversion
7 1 (0.93%) Visual Studio
General
1 28 (26.17%) Social Skills
2 23 (21.50%) Finance
3 4 (3.74%) Documentation Skills
4 3 (2.80%) Analytical Skills
4 3 (2.80%) Banking
5 2 (1.87%) Legal
5 2 (1.87%) Publishing
6 1 (0.93%) Marketing
6 1 (0.93%) Pharmaceutical
6 1 (0.93%) Presentation Skills
Job Titles
1 28 (26.17%) Consultant
2 14 (13.08%) Analyst
2 14 (13.08%) Integration Consultant
3 13 (12.15%) Administrator
4 12 (11.21%) Technical Consultant
5 11 (10.28%) DevOps Engineer
5 11 (10.28%) Infrastructure Engineer
5 11 (10.28%) Systems Administrator
6 10 (9.35%) Infrastructure Specialist
7 9 (8.41%) ServiceNow Consultant
8 8 (7.48%) Business Analyst
8 8 (7.48%) Business Integration Analyst
8 8 (7.48%) Developer
8 8 (7.48%) Integration Analyst
8 8 (7.48%) Linux Engineer
8 8 (7.48%) Systems Engineer
8 8 (7.48%) Technical Analyst
8 8 (7.48%) Technical Business Analyst
9 7 (6.54%) IT Administrator
9 7 (6.54%) Senior Developer
Libraries, Frameworks & Software Standards
1 29 (27.10%) XML
2 23 (21.50%) Kafka
3 21 (19.63%) Apache NiFi
3 21 (19.63%) RESTful
4 19 (17.76%) JSON
5 18 (16.82%) LDAP
5 18 (16.82%) Web Services
6 14 (13.08%) CSS
6 14 (13.08%) HTML
7 13 (12.15%) SOAP
8 12 (11.21%) LAMP
9 10 (9.35%) LAPP Stack
10 9 (8.41%) Ajax
11 5 (4.67%) Flask
11 5 (4.67%) LEMP Stack
11 5 (4.67%) SQLAlchemy
12 4 (3.74%) Elastic Stack
13 3 (2.80%) ActiveMQ
13 3 (2.80%) Spring
13 3 (2.80%) Spring Boot
Miscellaneous
1 21 (19.63%) Public Cloud
2 12 (11.21%) Management Information System
3 9 (8.41%) CMDB
4 8 (7.48%) Linux Command Line
4 8 (7.48%) User Experience
5 6 (5.61%) Clustering
5 6 (5.61%) Social Media
6 5 (4.67%) Data Centre
6 5 (4.67%) Derivative
7 4 (3.74%) Digital Media
8 3 (2.80%) Device Driver
8 3 (2.80%) Replication
9 2 (1.87%) Analytical Mindset
9 2 (1.87%) Cyber Kill Chain
9 2 (1.87%) Private Cloud
10 1 (0.93%) Cloud Native
10 1 (0.93%) Cyberthreat
10 1 (0.93%) Enterprise Cloud
10 1 (0.93%) iPad
10 1 (0.93%) PKI
Operating Systems
1 35 (32.71%) Windows
2 32 (29.91%) Linux
3 22 (20.56%) Windows Server
4 11 (10.28%) Windows Server 2012
5 10 (9.35%) Unix
6 7 (6.54%) CentOS
6 7 (6.54%) Debian
6 7 (6.54%) Ubuntu
7 5 (4.67%) VMS
8 1 (0.93%) Mac OS
8 1 (0.93%) Windows Server 2019
Processes & Methodologies
1 25 (23.36%) DevOps
2 24 (22.43%) Information Security
3 23 (21.50%) Disaster Recovery
4 22 (20.56%) Infrastructure Engineering
4 22 (20.56%) ITSM
5 21 (19.63%) Business Analysis
5 21 (19.63%) ETL
5 21 (19.63%) Problem-Solving
5 21 (19.63%) Service-Level Objective
6 18 (16.82%) API Design
6 18 (16.82%) Data Integration
6 18 (16.82%) Webhook
7 17 (15.89%) Project Management
8 16 (14.95%) Agile Software Development
9 15 (14.02%) ITIL
10 14 (13.08%) Business Continuity
11 13 (12.15%) Patch Management
12 12 (11.21%) Configuration Management
13 11 (10.28%) Business Continuity Planning
13 11 (10.28%) Infrastructure Monitoring
Programming Languages
1 25 (23.36%) PowerShell
2 17 (15.89%) Python
3 16 (14.95%) JavaScript
4 12 (11.21%) Bash Shell
4 12 (11.21%) VB
5 9 (8.41%) Java
6 6 (5.61%) Perl
6 6 (5.61%) SQL
7 5 (4.67%) C
8 3 (2.80%) AWK
8 3 (2.80%) PL/SQL
8 3 (2.80%) sed
9 2 (1.87%) C#
9 2 (1.87%) Java 8
9 2 (1.87%) R
9 2 (1.87%) Shell Script
9 2 (1.87%) T-SQL
10 1 (0.93%) Kotlin
10 1 (0.93%) Scala
10 1 (0.93%) TypeScript
Qualifications
1 20 (18.69%) Degree
2 9 (8.41%) Computer Science Degree
3 7 (6.54%) Cisco Certification
4 5 (4.67%) CCNP
5 3 (2.80%) RHCE
5 3 (2.80%) RHCSA
5 3 (2.80%) Security Cleared
6 2 (1.87%) CCNA
6 2 (1.87%) CEH
6 2 (1.87%) CISSP
6 2 (1.87%) CompTIA Security+
6 2 (1.87%) DV Cleared
6 2 (1.87%) GIAC
6 2 (1.87%) Linux+ Certification
6 2 (1.87%) MCSE
6 2 (1.87%) Microsoft Certification
6 2 (1.87%) Network+ Certification
6 2 (1.87%) PCI QSA
6 2 (1.87%) SANS
6 2 (1.87%) SSCP
Quality Assurance & Compliance
1 10 (9.35%) SLA
2 5 (4.67%) Cyber Essentials
2 5 (4.67%) Cyber Essentials PLUS
3 3 (2.80%) PCI DSS
4 2 (1.87%) ISO/IEC 27001
5 1 (0.93%) HL7
5 1 (0.93%) QA
System Software
1 27 (25.23%) Active Directory
2 21 (19.63%) VMware Infrastructure
3 12 (11.21%) Hyper-V
3 12 (11.21%) vSphere
4 11 (10.28%) Docker
4 11 (10.28%) XenDesktop
5 5 (4.67%) iptables
6 4 (3.74%) VMware ESXi
6 4 (3.74%) Xen
7 3 (2.80%) Firmware
7 3 (2.80%) KVM
7 3 (2.80%) OCFS2
7 3 (2.80%) Oracle RAC
7 3 (2.80%) Postfix
7 3 (2.80%) qmail
7 3 (2.80%) Samba
7 3 (2.80%) Sendmail
7 3 (2.80%) Veritas Cluster Server
7 3 (2.80%) Veritas Volume Manager
8 2 (1.87%) Apache Flume
Systems Management
1 14 (13.08%) Ansible
1 14 (13.08%) Puppet
2 12 (11.21%) Microsoft Intune
3 9 (8.41%) HP UCMDB
4 8 (7.48%) Failover Clustering
4 8 (7.48%) Kubernetes
5 7 (6.54%) Opscode Chef
5 7 (6.54%) Terraform
6 5 (4.67%) Docker Swarm
6 5 (4.67%) FortiGate
7 4 (3.74%) AirWatch
7 4 (3.74%) Jamf Pro
8 3 (2.80%) SELinux
9 2 (1.87%) Kibana
9 2 (1.87%) Nessus
9 2 (1.87%) Oozie
9 2 (1.87%) Prometheus
10 1 (0.93%) HP NNM
10 1 (0.93%) Nagios
10 1 (0.93%) ZABBIX
Vendors
1 43 (40.19%) Microsoft
2 28 (26.17%) VMware
3 20 (18.69%) Citrix
4 19 (17.76%) Cisco
4 19 (17.76%) Dell
5 15 (14.02%) HP
6 11 (10.28%) Meraki
6 11 (10.28%) SonicWALL
7 10 (9.35%) Avaya
7 10 (9.35%) Red Hat
7 10 (9.35%) ServiceNow
8 9 (8.41%) BMC
8 9 (8.41%) Remedy
9 8 (7.48%) EMC
9 8 (7.48%) EqualLogic
10 7 (6.54%) Oracle
11 5 (4.67%) Aruba
11 5 (4.67%) Atlassian
11 5 (4.67%) Facebook
12 4 (3.74%) Zscaler