Period
to 17 November 2017

The table below looks at the prevalence of the term PKI in permanent job vacancies advertised in London. Included is a benchmarking guide to the salaries offered in vacancies that have cited PKI over the 6 months to 17 November 2017 with a comparison to the same period over the previous 2 years.

Public-Key Infrastructure (PKI)
England > London
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 665 671 707
Rank change year-on-year +6 +36 +80
Permanent jobs citing PKI 176 187 223
As % of all permanent IT jobs advertised in London 0.23% 0.25% 0.25%
As % of the Miscellaneous category 0.47% 0.54% 0.52%
Number of salaries quoted 147 151 162
London median annual salary £60,000 £62,500 £65,000
Median salary % change year-on-year -4.00% -3.85% +18.18%
10th Percentile £41,250 £46,250 £41,250
90th Percentile £91,250 £80,000 £82,500
England median annual salary £57,500 £55,000 £57,500
% change year-on-year +4.55% -4.35% +9.52%

PKI is in the Generic IT Skills 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 generic IT skills.

All Generic IT Skills
London
Permanent vacancies with a requirement for generic IT skills 37270 34870 42787
As % of all permanent IT jobs advertised in London 49.35% 45.83% 47.86%
Number of salaries quoted 26646 29593 35075
London median annual salary £60,000 £58,500 £56,000
Median salary % change year-on-year +2.56% +4.46% +1.82%
10th Percentile £34,000 £32,500 £32,500
90th Percentile £92,500 £90,000 £87,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +3.26%

PKI
Job Vacancy Trend in London

Job postings citing PKI as a percentage of all IT jobs advertised in London.

Job vacancy trend for PKI in London

PKI
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing PKI in London.

Salary trend for PKI in London

PKI
Salary Histogram in London

The salary distribution of IT jobs citing PKI in London over the 6 months to 17 November 2017.

Salary histogram for PKI in London

PKI
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing PKI within the London region over the 6 months to 17 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 +20 31 £57,500 - 4
West London +11 4 £45,000 -30.77% 1
East London -1 3 £40,000 -38.46%
PKI
England

For the 6 months to 17 November 2017, IT jobs citing PKI 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 PKI.

1 52 (29.55%) Microsoft
2 50 (28.41%) Active Directory
3 48 (27.27%) Finance
4 47 (26.70%) Cisco
5 44 (25.00%) Firewall
6 43 (24.43%) Java
7 41 (23.30%) Windows
7 41 (23.30%) Linux
8 40 (22.73%) Network Security
8 40 (22.73%) SIEM
9 39 (22.16%) CISSP
10 38 (21.59%) Information Security
11 36 (20.45%) Microsoft Azure
12 34 (19.32%) CheckPoint
13 33 (18.75%) ITIL
14 32 (18.18%) DevOps
15 31 (17.61%) Amazon AWS
15 31 (17.61%) ISO/IEC 27001
16 28 (15.91%) Cisco Certification
17 27 (15.34%) WAN
17 27 (15.34%) Penetration Testing
18 26 (14.77%) CCNP
19 25 (14.20%) SQL
20 24 (13.64%) Python
20 24 (13.64%) CISM
20 24 (13.64%) Analytical Skills
20 24 (13.64%) NoSQL
21 22 (12.50%) Git (software)
21 22 (12.50%) HP
21 22 (12.50%) SAML

PKI
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 9 (5.11%) Apache Spark
2 8 (4.55%) WebSphere
3 7 (3.98%) Confluence
3 7 (3.98%) Liferay
3 7 (3.98%) WebLogic
3 7 (3.98%) WebLogic Portal
4 6 (3.41%) Apache Pig
5 5 (2.84%) IIS
6 3 (1.70%) Exchange Server 2013
7 2 (1.14%) OpenStack
7 2 (1.14%) Skype for Business
8 1 (0.57%) Apache
8 1 (0.57%) Elasticsearch
8 1 (0.57%) JBoss
8 1 (0.57%) MQSeries
8 1 (0.57%) MS Exchange
Applications
1 2 (1.14%) Microsoft Office
2 1 (0.57%) Microsoft Excel
2 1 (0.57%) Microsoft PowerPoint
Business Applications
1 2 (1.14%) R3 Corda
Cloud Services
1 36 (20.45%) Microsoft Azure
2 31 (17.61%) Amazon AWS
3 17 (9.66%) IaaS
4 14 (7.95%) Office 365
5 13 (7.39%) AWS CloudFormation
6 12 (6.82%) PaaS
6 12 (6.82%) SaaS
7 8 (4.55%) Amazon CloudWatch
7 8 (4.55%) Amazon EC2
7 8 (4.55%) Amazon S3
7 8 (4.55%) Azure Active Directory
8 5 (2.84%) Amazon SQS
8 5 (2.84%) Virtual Private Cloud
9 4 (2.27%) Cloudflare
9 4 (2.27%) Google Cloud Platform
10 2 (1.14%) Mimecast
11 1 (0.57%) Cloud Computing
Communications & Networking
1 44 (25.00%) Firewall
2 40 (22.73%) Network Security
3 27 (15.34%) WAN
4 17 (9.66%) LAN
5 16 (9.09%) DNS
5 16 (9.09%) HTTP
5 16 (9.09%) SSL
6 15 (8.52%) DHCP
6 15 (8.52%) SAN
7 14 (7.95%) VPN
8 13 (7.39%) Cisco Nexus
8 13 (7.39%) Wireless
9 11 (6.25%) Cisco IOS
9 11 (6.25%) TCP/IP
10 10 (5.68%) IPsec
11 9 (5.11%) Internet
12 8 (4.55%) LDAP
13 7 (3.98%) BGP
13 7 (3.98%) HTTPS
13 7 (3.98%) OSPF
Database & Business Intelligence
1 24 (13.64%) NoSQL
2 19 (10.80%) SQL Server
3 14 (7.95%) Big Data
3 14 (7.95%) MongoDB
4 11 (6.25%) RDBMS
4 11 (6.25%) Relational Database
5 9 (5.11%) Apache Hive
5 9 (5.11%) Hadoop
6 8 (4.55%) Amazon RDS
7 5 (2.84%) Sqoop
8 4 (2.27%) Apache Cassandra
8 4 (2.27%) MySQL
9 3 (1.70%) PostgreSQL
9 3 (1.70%) SAP HANA
10 2 (1.14%) Blockchain
10 2 (1.14%) SQL Server 2014
11 1 (0.57%) Oracle Database
Development Applications
1 22 (12.50%) Git (software)
2 11 (6.25%) Maven
3 10 (5.68%) Ant
3 10 (5.68%) Jenkins
4 9 (5.11%) Atlassian Bamboo
4 9 (5.11%) TeamCity
5 7 (3.98%) JIRA
5 7 (3.98%) Octopus Deploy
6 5 (2.84%) Grunt
6 5 (2.84%) webpack
7 4 (2.27%) Metasploit
8 1 (0.57%) Cucumber
8 1 (0.57%) Jasmine
8 1 (0.57%) JMeter
8 1 (0.57%) MSI
8 1 (0.57%) Selenium
8 1 (0.57%) Subversion
8 1 (0.57%) VSS/SourceSafe
8 1 (0.57%) WiX
General
1 48 (27.27%) Finance
2 20 (11.36%) Banking
3 16 (9.09%) Law
4 12 (6.82%) Telecoms
5 10 (5.68%) Retail
6 9 (5.11%) Marketing
7 4 (2.27%) Legal
8 3 (1.70%) Investment Banking
9 2 (1.14%) Games
9 2 (1.14%) Manufacturing
10 1 (0.57%) Advertising
10 1 (0.57%) Billing
10 1 (0.57%) Military
Job Titles
1 37 (21.02%) Analyst
2 28 (15.91%) Architect
3 27 (15.34%) Security Analyst
4 18 (10.23%) Network Analyst
4 18 (10.23%) Network Security Analyst
5 17 (9.66%) Security Engineer
6 15 (8.52%) Infrastructure Engineer
7 14 (7.95%) Developer
8 13 (7.39%) Java Developer
8 13 (7.39%) Software Engineer
9 12 (6.82%) Network Engineer
10 11 (6.25%) DevOps Engineer
10 11 (6.25%) Senior Infrastructure Engineer
10 11 (6.25%) SIEM Analyst
11 10 (5.68%) Cloud Architect
11 10 (5.68%) Network Security Engineer
12 8 (4.55%) Infrastructure Architect
12 8 (4.55%) Security Architect
12 8 (4.55%) Security Specialist
12 8 (4.55%) Test Analyst
Libraries, Frameworks & Software Standards
1 22 (12.50%) SAML
2 20 (11.36%) OAuth
3 18 (10.23%) JSON
4 17 (9.66%) XML
5 11 (6.25%) RESTful
6 10 (5.68%) XMPP
7 9 (5.11%) AngularJS
7 9 (5.11%) REST
8 8 (4.55%) CSS
9 7 (3.98%) ActiveMQ
9 7 (3.98%) HornetQ
9 7 (3.98%) HTML
9 7 (3.98%) Kafka
9 7 (3.98%) Middleware
9 7 (3.98%) Node.js
10 5 (2.84%) Apache Cordova
10 5 (2.84%) Backbone.js
10 5 (2.84%) Express
10 5 (2.84%) Meteor
10 5 (2.84%) WebRTC
Miscellaneous
1 24 (13.64%) Analytical Skills
2 15 (8.52%) Computer Science
3 14 (7.95%) Data Centre
4 13 (7.39%) Smart Meter
5 11 (6.25%) Algorithms
5 11 (6.25%) Fintech
6 10 (5.68%) Data Structures
7 9 (5.11%) Linux Command Line
8 8 (4.55%) Management Information System
8 8 (4.55%) Public Cloud
9 6 (3.41%) Hedge funds
10 5 (2.84%) Distributed Denial-of-Service
11 4 (2.27%) Cloud Native
11 4 (2.27%) Clustering
11 4 (2.27%) Enterprise Storage
11 4 (2.27%) Fat Client
11 4 (2.27%) Private Cloud
11 4 (2.27%) Thin Client
12 3 (1.70%) Derivative
12 3 (1.70%) Replication
Operating Systems
1 41 (23.30%) Linux
1 41 (23.30%) Windows
2 14 (7.95%) Red Hat Enterprise Linux
3 13 (7.39%) Windows Server
4 12 (6.82%) CentOS
5 11 (6.25%) Debian
5 11 (6.25%) Ubuntu
6 8 (4.55%) Windows Server 2012
7 6 (3.41%) Kali Linux
7 6 (3.41%) Unix
8 5 (2.84%) Android
8 5 (2.84%) Apple iOS
8 5 (2.84%) Mac OS X
9 4 (2.27%) Solaris
9 4 (2.27%) Windows Server 2008
10 3 (1.70%) Data ONTAP
11 2 (1.14%) Check Point GAiA
11 2 (1.14%) Windows 10
11 2 (1.14%) Windows 7
12 1 (0.57%) AIX
Processes & Methodologies
1 40 (22.73%) SIEM
2 38 (21.59%) Information Security
3 33 (18.75%) ITIL
4 32 (18.18%) DevOps
5 27 (15.34%) Penetration Testing
6 18 (10.23%) Software Engineering
7 17 (9.66%) Continuous Integration
8 16 (9.09%) Vulnerability Assessment
9 15 (8.52%) Cryptography
9 15 (8.52%) High Availability
9 15 (8.52%) Network Design
9 15 (8.52%) Risk Management
9 15 (8.52%) Secure Coding
10 14 (7.95%) Agile Software Development
10 14 (7.95%) IT Strategy
11 13 (7.39%) Vulnerability Management
12 12 (6.82%) Multithreading
13 11 (6.25%) Identity Access Management
13 11 (6.25%) Multithreaded Programming
13 11 (6.25%) PRINCE2
Programming Languages
1 43 (24.43%) Java
2 25 (14.20%) SQL
3 24 (13.64%) Python
4 21 (11.93%) PowerShell
5 15 (8.52%) Shell Script
6 12 (6.82%) Ruby
7 11 (6.25%) VBScript
8 10 (5.68%) Bash Shell
9 9 (5.11%) C#
9 9 (5.11%) JavaScript
9 9 (5.11%) Perl
10 6 (3.41%) C
10 6 (3.41%) C++
10 6 (3.41%) Go
11 5 (2.84%) C-shell
11 5 (2.84%) GraphQL
11 5 (2.84%) Korn
12 2 (1.14%) PHP
13 1 (0.57%) PL/SQL
13 1 (0.57%) R
Qualifications
1 39 (22.16%) CISSP
2 28 (15.91%) Cisco Certification
3 26 (14.77%) CCNP
4 24 (13.64%) CISM
5 19 (10.80%) CEH
6 18 (10.23%) CCNA
7 16 (9.09%) Degree
8 12 (6.82%) Check Point Certification
9 11 (6.25%) Microsoft Certification
9 11 (6.25%) SSCP
10 10 (5.68%) CASP
11 9 (5.11%) Security Cleared
12 8 (4.55%) ISEB
12 8 (4.55%) ISTQB
13 7 (3.98%) AWS Certification
13 7 (3.98%) CCSA
13 7 (3.98%) GIAC
14 6 (3.41%) CISA
14 6 (3.41%) SANS
14 6 (3.41%) SC Cleared
Quality Assurance & Compliance
1 31 (17.61%) ISO/IEC 27001
2 14 (7.95%) PCI DSS
3 13 (7.39%) Cyber Essentials
4 10 (5.68%) QA
5 5 (2.84%) GDPR
6 4 (2.27%) GCP
7 2 (1.14%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 2 (1.14%) PMO
8 1 (0.57%) FIPS 140-2
8 1 (0.57%) PSD2
8 1 (0.57%) Sarbanes-Oxley
8 1 (0.57%) SLA
System Software
1 50 (28.41%) Active Directory
2 17 (9.66%) Hyper-V
3 11 (6.25%) Docker
4 9 (5.11%) VMware Infrastructure
5 6 (3.41%) pfSense
6 5 (2.84%) Virtual Machines
7 4 (2.27%) BitLocker
8 3 (1.70%) NFS
9 2 (1.14%) Microsoft App-V
9 2 (1.14%) OpenAM
9 2 (1.14%) Snort
9 2 (1.14%) vSphere
9 2 (1.14%) XenDesktop
10 1 (0.57%) KVM
10 1 (0.57%) VMware NSX
10 1 (0.57%) XenApp
Systems Management
1 12 (6.82%) Ansible
1 12 (6.82%) Puppet
2 11 (6.25%) Kubernetes
3 8 (4.55%) Opscode Chef
4 7 (3.98%) Salt
5 6 (3.41%) McAfee ePO
6 5 (2.84%) FortiGate
6 5 (2.84%) Nessus
7 4 (2.27%) SCOM
7 4 (2.27%) Terraform
8 3 (1.70%) Microsoft Clustering
9 2 (1.14%) HP Data Protector
9 2 (1.14%) QRadar
9 2 (1.14%) WSUS
10 1 (0.57%) Cisco Prime
10 1 (0.57%) HP SiteScope
10 1 (0.57%) Nagios
10 1 (0.57%) Norton AntiVirus
10 1 (0.57%) OSSEC
10 1 (0.57%) SolarWinds Orion
Vendors
1 52 (29.55%) Microsoft
2 47 (26.70%) Cisco
3 34 (19.32%) CheckPoint
4 22 (12.50%) HP
5 21 (11.93%) VMware
6 15 (8.52%) Red Hat
7 13 (7.39%) Oracle
8 12 (6.82%) NetApp
9 11 (6.25%) McAfee
10 10 (5.68%) 3PAR
11 9 (5.11%) IBM
12 8 (4.55%) Juniper
12 8 (4.55%) Palo Alto
12 8 (4.55%) Splunk
13 7 (3.98%) Atlassian
13 7 (3.98%) BEA
13 7 (3.98%) New Relic
14 6 (3.41%) Aruba
14 6 (3.41%) F5
15 5 (2.84%) WatchGuard