Period
to 24 February 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 24 February 2021 with a comparison to the same period in the previous 2 years.

Secure Socket Layer (SSL)
England > London
6 months to
24 Feb 2021
Same period 2020 Same period 2019
Rank 443 485 537
Rank change year-on-year +42 +52 +41
Permanent jobs citing SSL 90 228 262
As % of all permanent jobs advertised in London 0.33% 0.45% 0.42%
As % of the Communications & Networking category 3.19% 3.41% 3.21%
Number of salaries quoted 81 177 218
Median annual salary £65,000 £60,000 £57,500
Median salary % change year-on-year +8.33% +4.35% -
10th Percentile £48,750 £45,000 £41,250
90th Percentile £90,000 £86,500 £80,375
England median annual salary £58,125 £56,000 £52,500
% change year-on-year +3.79% +6.67% +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 2,820 6,682 8,166
As % of all permanent IT jobs advertised in London 10.24% 13.21% 13.20%
Number of salaries quoted 2,314 5,562 6,751
Median annual salary £62,500 £55,000 £55,000
Median salary % change year-on-year +13.64% - -
10th Percentile £37,150 £29,750 £29,750
90th Percentile £91,250 £86,250 £85,000
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

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 24 February 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 24 February 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
Central London +65 11 £65,000 +8.33% 5
West London +77 8 £50,000 +17.65%
South London +30 1 - -
SSL
England

For the 6 months to 24 February 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 47 (52.22%) Firewall
2 36 (40.00%) DNS
3 34 (37.78%) Windows
3 34 (37.78%) Azure
4 33 (36.67%) Linux
5 31 (34.44%) VPN
6 28 (31.11%) Microsoft
6 28 (31.11%) VMware
7 27 (30.00%) Cisco
7 27 (30.00%) DHCP
7 27 (30.00%) Apache
8 26 (28.89%) HTTP
9 25 (27.78%) Information Security
10 24 (26.67%) DevOps
11 23 (25.56%) Windows Server
12 19 (21.11%) Degree
12 19 (21.11%) XML
12 19 (21.11%) Finance
13 18 (20.00%) Project Management
13 18 (20.00%) Management Information System
14 17 (18.89%) Citrix
14 17 (18.89%) Meraki
14 17 (18.89%) Public Cloud
15 16 (17.78%) Problem-Solving
15 16 (17.78%) Service-Level Objective
15 16 (17.78%) Apache NiFi
15 16 (17.78%) Dell
15 16 (17.78%) Active Directory
15 16 (17.78%) Python
15 16 (17.78%) ETL

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 27 (30.00%) Apache
2 7 (7.78%) Tomcat
3 6 (6.67%) SharePoint
4 5 (5.56%) Confluence
4 5 (5.56%) Drupal
4 5 (5.56%) Exchange Server 2013
4 5 (5.56%) Facebook Platform
5 3 (3.33%) Apache Spark
6 2 (2.22%) WebLogic
7 1 (1.11%) IIS
7 1 (1.11%) Red Hat Fuse
Applications
1 4 (4.44%) MS Visio
2 2 (2.22%) Gephi
2 2 (2.22%) Microsoft Excel
2 2 (2.22%) Microsoft PowerPoint
Business Applications
1 6 (6.67%) Remedy ITSM
2 1 (1.11%) Dynamics GP
Cloud Services
1 34 (37.78%) Azure
2 14 (15.56%) AWS
3 11 (12.22%) Microsoft 365
4 9 (10.00%) IaaS
5 8 (8.89%) SaaS
6 5 (5.56%) DigitalOcean
7 3 (3.33%) Amazon EC2
7 3 (3.33%) PaaS
8 2 (2.22%) Amazon EKS
8 2 (2.22%) AWS Lambda
8 2 (2.22%) Cloud Functions
8 2 (2.22%) Cloudflare
8 2 (2.22%) GCP
8 2 (2.22%) IBM Cloud
8 2 (2.22%) Serverless
8 2 (2.22%) SoftLayer
8 2 (2.22%) Virtual Private Cloud
9 1 (1.11%) AWS CloudFormation
9 1 (1.11%) Azure Active Directory
9 1 (1.11%) GitHub
Communications & Networking
1 47 (52.22%) Firewall
2 36 (40.00%) DNS
3 31 (34.44%) VPN
4 27 (30.00%) DHCP
5 26 (28.89%) HTTP
6 15 (16.67%) Cisco ASA
6 15 (16.67%) WAN
7 13 (14.44%) LAN
8 12 (13.33%) SAN
9 11 (12.22%) NetScaler
9 11 (12.22%) TCP/IP
10 10 (11.11%) BGP
10 10 (11.11%) MPLS
10 10 (11.11%) OSPF
11 9 (10.00%) HTTPS
12 8 (8.89%) IPsec
12 8 (8.89%) SNMP
12 8 (8.89%) VLAN
13 7 (7.78%) Intrusion Detection
13 7 (7.78%) Network Security
Database & Business Intelligence
1 9 (10.00%) NoSQL
2 7 (7.78%) PostgreSQL
3 5 (5.56%) MySQL
3 5 (5.56%) SQL Server
4 3 (3.33%) Apache Hive
4 3 (3.33%) Big Data
4 3 (3.33%) SQL Server 2012
4 3 (3.33%) SQL Server 2014
4 3 (3.33%) SQL Server 2017
5 2 (2.22%) Amazon RDS
5 2 (2.22%) Impala
6 1 (1.11%) Hadoop
6 1 (1.11%) HBase
6 1 (1.11%) Oracle Database
6 1 (1.11%) Sqoop
Development Applications
1 13 (14.44%) Git (software)
2 12 (13.33%) JIRA
3 6 (6.67%) Jenkins
4 3 (3.33%) Bitbucket
4 3 (3.33%) Sonatype Nexus
5 2 (2.22%) Bitbucket Server
5 2 (2.22%) git-flow
5 2 (2.22%) Oracle APEX
5 2 (2.22%) Toad
6 1 (1.11%) IDA Disassembler
6 1 (1.11%) Jasmine
6 1 (1.11%) Karma Test Runner
6 1 (1.11%) Maven
6 1 (1.11%) OllyDbg
6 1 (1.11%) Protractor
6 1 (1.11%) WinDbg
General
1 19 (21.11%) Finance
2 5 (5.56%) Banking
2 5 (5.56%) Investment Banking
3 2 (2.22%) Financial Institution
3 2 (2.22%) Legal
4 1 (1.11%) Law
4 1 (1.11%) Telecoms
Job Titles
1 19 (21.11%) Consultant
2 17 (18.89%) Analyst
3 12 (13.33%) Administrator
3 12 (13.33%) Technical Consultant
4 11 (12.22%) Network Engineer
5 10 (11.11%) Systems Administrator
6 9 (10.00%) Infrastructure Engineer
6 9 (10.00%) Integration Consultant
7 8 (8.89%) Business Analyst
7 8 (8.89%) Business Integration Analyst
7 8 (8.89%) Integration Analyst
7 8 (8.89%) Technical Analyst
7 8 (8.89%) Technical Business Analyst
8 7 (7.78%) Senior Systems Administrator
9 6 (6.67%) Developer
9 6 (6.67%) DevOps Engineer
9 6 (6.67%) Senior Developer
9 6 (6.67%) ServiceNow Consultant
10 5 (5.56%) AWS Engineer
10 5 (5.56%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 19 (21.11%) XML
2 16 (17.78%) Apache NiFi
3 15 (16.67%) Kafka
3 15 (16.67%) LDAP
4 14 (15.56%) RESTful
5 13 (14.44%) JSON
5 13 (14.44%) Web Services
6 11 (12.22%) CSS
6 11 (12.22%) HTML
7 8 (8.89%) SOAP
8 7 (7.78%) YAML
9 6 (6.67%) Ajax
10 5 (5.56%) Flask
10 5 (5.56%) LAMP
10 5 (5.56%) LAPP Stack
10 5 (5.56%) SQLAlchemy
11 3 (3.33%) Elastic Stack
12 2 (2.22%) NHibernate
12 2 (2.22%) OAuth
12 2 (2.22%) SAML
Miscellaneous
1 18 (20.00%) Management Information System
2 17 (18.89%) Public Cloud
3 8 (8.89%) Data Centre
3 8 (8.89%) Linux Command Line
4 6 (6.67%) CMDB
4 6 (6.67%) Cyber Kill Chain
5 5 (5.56%) Derivative
5 5 (5.56%) Social Media
6 4 (4.44%) Replication
6 4 (4.44%) Robotics
7 3 (3.33%) Analytical Skills
7 3 (3.33%) Device Driver
7 3 (3.33%) Hedge funds
7 3 (3.33%) Hybrid Cloud
7 3 (3.33%) User Experience
8 2 (2.22%) Analytical Mindset
8 2 (2.22%) PKI
8 2 (2.22%) Self-Motivation
9 1 (1.11%) Digital Media
9 1 (1.11%) iPad
Operating Systems
1 34 (37.78%) Windows
2 33 (36.67%) Linux
3 23 (25.56%) Windows Server
4 12 (13.33%) Unix
5 8 (8.89%) Debian
5 8 (8.89%) Ubuntu
6 5 (5.56%) Windows Server 2012
7 4 (4.44%) CentOS
7 4 (4.44%) Solaris
7 4 (4.44%) VMS
7 4 (4.44%) Windows XP
8 1 (1.11%) Red Hat Enterprise Linux
8 1 (1.11%) Windows 10
8 1 (1.11%) Windows Server 2016
Processes & Methodologies
1 25 (27.78%) Information Security
2 24 (26.67%) DevOps
3 18 (20.00%) Project Management
4 16 (17.78%) Business Analysis
4 16 (17.78%) ETL
4 16 (17.78%) Problem-Solving
4 16 (17.78%) Service-Level Objective
5 14 (15.56%) Infrastructure Engineering
6 13 (14.44%) Agile Software Development
6 13 (14.44%) API Design
6 13 (14.44%) Data Integration
6 13 (14.44%) Webhook
7 12 (13.33%) Disaster Recovery
7 12 (13.33%) ITSM
8 11 (12.22%) Computer Science
9 10 (11.11%) API Integration
9 10 (11.11%) Customer Requirements
10 9 (10.00%) ITIL
11 8 (8.89%) Load Balancing
12 7 (7.78%) Technical Architecture
Programming Languages
1 16 (17.78%) Python
2 13 (14.44%) JavaScript
3 12 (13.33%) PowerShell
4 8 (8.89%) Bash Shell
5 7 (7.78%) Java
6 6 (6.67%) C
6 6 (6.67%) VB
7 5 (5.56%) Perl
7 5 (5.56%) Shell Script
7 5 (5.56%) SQL
8 3 (3.33%) AWK
8 3 (3.33%) sed
9 2 (2.22%) PL/SQL
9 2 (2.22%) R
10 1 (1.11%) C#
10 1 (1.11%) C++
10 1 (1.11%) T-SQL
Qualifications
1 19 (21.11%) Degree
2 14 (15.56%) Cisco Certification
3 9 (10.00%) Computer Science Degree
4 8 (8.89%) CCNP
5 6 (6.67%) CISSP
6 4 (4.44%) (ISC)2 CCSP
6 4 (4.44%) CCNA
6 4 (4.44%) CCSP
6 4 (4.44%) CISM
6 4 (4.44%) CREST Certified
6 4 (4.44%) GCFA
6 4 (4.44%) GCIA
6 4 (4.44%) GCIH
7 3 (3.33%) CompTIA Security+
7 3 (3.33%) MCSE
7 3 (3.33%) Microsoft Certification
7 3 (3.33%) PCI QSA
7 3 (3.33%) RHCE
7 3 (3.33%) RHCSA
8 2 (2.22%) SANS
Quality Assurance & Compliance
1 9 (10.00%) SLA
2 5 (5.56%) PCI DSS
3 4 (4.44%) COBIT
3 4 (4.44%) Cyber Essentials
3 4 (4.44%) Cyber Essentials PLUS
3 4 (4.44%) NIST
4 3 (3.33%) ISO/IEC 27001
5 1 (1.11%) QA
System Software
1 16 (17.78%) Active Directory
2 15 (16.67%) VMware Infrastructure
3 8 (8.89%) Docker
4 6 (6.67%) Hyper-V
5 5 (5.56%) vSphere
5 5 (5.56%) XenDesktop
6 3 (3.33%) Firmware
6 3 (3.33%) KVM
6 3 (3.33%) OCFS2
6 3 (3.33%) Oracle RAC
6 3 (3.33%) Postfix
6 3 (3.33%) qmail
6 3 (3.33%) Samba
6 3 (3.33%) Sendmail
6 3 (3.33%) Veritas Cluster Server
6 3 (3.33%) Veritas Volume Manager
6 3 (3.33%) VMware ESXi
6 3 (3.33%) Xen
7 2 (2.22%) Apache Flume
8 1 (1.11%) HDFS
Systems Management
1 11 (12.22%) Ansible
1 11 (12.22%) Puppet
2 8 (8.89%) Microsoft Intune
2 8 (8.89%) Terraform
3 7 (7.78%) Opscode Chef
4 6 (6.67%) AirWatch
4 6 (6.67%) HP UCMDB
5 5 (5.56%) Docker Swarm
5 5 (5.56%) Kubernetes
6 4 (4.44%) CSIRT
7 3 (3.33%) Failover Clustering
7 3 (3.33%) Oozie
7 3 (3.33%) SELinux
8 2 (2.22%) Kibana
8 2 (2.22%) Single Sign-On
9 1 (1.11%) Ambari
9 1 (1.11%) FortiGate
9 1 (1.11%) Hadoop YARN
9 1 (1.11%) Jamf Pro
9 1 (1.11%) Nagios
Vendors
1 28 (31.11%) Microsoft
1 28 (31.11%) VMware
2 27 (30.00%) Cisco
3 17 (18.89%) Citrix
3 17 (18.89%) Meraki
4 16 (17.78%) Dell
5 11 (12.22%) EMC
5 11 (12.22%) EqualLogic
6 10 (11.11%) HP
7 9 (10.00%) Palo Alto
8 6 (6.67%) BMC
8 6 (6.67%) ESET
8 6 (6.67%) Remedy
8 6 (6.67%) ServiceNow
8 6 (6.67%) Zscaler
9 5 (5.56%) Facebook
9 5 (5.56%) Fortinet
9 5 (5.56%) Juniper
9 5 (5.56%) Oracle
9 5 (5.56%) SonicWALL