Period
to 23 November 2017

The table below looks at the prevalence of the term PKI in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited PKI over the 6 months to 23 November 2017 with a comparison to the same period over the previous 2 years.

Public-Key Infrastructure (PKI)
Central London > City of London
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 303 327 353
Rank change year-on-year +24 +26 +56
Permanent jobs citing PKI 18 21 55
As % of all permanent IT jobs advertised in the City of London 0.18% 0.18% 0.32%
As % of the Miscellaneous category 0.37% 0.39% 0.70%
Number of salaries quoted 18 20 45
City of London median annual salary £57,500 £56,250 £65,000
Median salary % change year-on-year +2.22% -13.46% +18.18%
10th Percentile £37,000 £41,250 £51,250
90th Percentile £90,500 £87,500 £82,500
Central London median annual salary £57,500 £57,500 £65,000
% change year-on-year - -11.54% +18.18%

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 the City of London with a requirement for generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 4819 5448 7892
As % of all permanent IT jobs advertised in the City of London 47.13% 46.77% 46.45%
Number of salaries quoted 4302 4950 6617
City of London median annual salary £60,000 £57,500 £57,500
Median salary % change year-on-year +4.35% - +4.55%
10th Percentile £33,750 £33,500 £32,500
90th Percentile £96,250 £90,000 £90,200
Central London median annual salary £60,000 £57,500 £57,500
% change year-on-year +4.35% - +4.55%

PKI
Job Vacancy Trend in the City of London

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

Job vacancy trend for PKI in the City of London

PKI
Salary Trend in the City of London

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

Salary trend for PKI in the City of London

PKI
Salary Histogram in the City of London

The salary distribution of IT jobs citing PKI in the City of London over the 6 months to 23 November 2017.

Salary histogram for PKI in the City of London

For the 6 months to 23 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 City of London region with a requirement for PKI.

1 10 (55.56%) Windows
2 9 (50.00%) Active Directory
3 8 (44.44%) Cisco
3 8 (44.44%) Microsoft
3 8 (44.44%) Microsoft Azure
4 7 (38.89%) CISSP
5 6 (33.33%) TCP/IP
5 6 (33.33%) Linux
5 6 (33.33%) Python
5 6 (33.33%) Java
5 6 (33.33%) Firewall
5 6 (33.33%) GIAC
5 6 (33.33%) Cryptography
5 6 (33.33%) SIEM
5 6 (33.33%) CEH
6 5 (27.78%) Korn
6 5 (27.78%) ISO/IEC 27001
6 5 (27.78%) Fortinet
6 5 (27.78%) Ruby
6 5 (27.78%) LPIC
6 5 (27.78%) Ubuntu
6 5 (27.78%) WatchGuard
6 5 (27.78%) Network Security
6 5 (27.78%) PCI DSS
6 5 (27.78%) SC Cleared
6 5 (27.78%) Security Cleared
6 5 (27.78%) SonicWALL
6 5 (27.78%) Cisco ASA
6 5 (27.78%) F5
6 5 (27.78%) Vulnerability Management

PKI
Co-occurring IT Skills in the City of 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:

Cloud Services
1 8 (44.44%) Microsoft Azure
2 4 (22.22%) IaaS
2 4 (22.22%) Office 365
2 4 (22.22%) PaaS
3 2 (11.11%) Amazon AWS
3 2 (11.11%) Google Cloud Platform
4 1 (5.56%) SaaS
Communications & Networking
1 6 (33.33%) Firewall
1 6 (33.33%) TCP/IP
2 5 (27.78%) Cisco ASA
2 5 (27.78%) Cisco Wireless
2 5 (27.78%) HTTP
2 5 (27.78%) HTTPS
2 5 (27.78%) IPsec
2 5 (27.78%) Network Security
2 5 (27.78%) VPN
2 5 (27.78%) Wireless
3 3 (16.67%) Cisco IOS
3 3 (16.67%) Cisco Nexus
3 3 (16.67%) SAN
3 3 (16.67%) WAN
4 1 (5.56%) DNS
4 1 (5.56%) Internet
4 1 (5.56%) SMS
4 1 (5.56%) Wireshark
4 1 (5.56%) X.509
Database & Business Intelligence
1 3 (16.67%) Big Data
1 3 (16.67%) SQL Server
Development Applications
1 1 (5.56%) MSI
1 1 (5.56%) WiX
General
1 5 (27.78%) Finance
2 1 (5.56%) Legal
Job Titles
1 4 (22.22%) Architect
1 4 (22.22%) Exchange Specialist
1 4 (22.22%) Messaging Specialist
2 3 (16.67%) Linux Engineer
2 3 (16.67%) Security Engineer
3 2 (11.11%) Analyst
3 2 (11.11%) Cloud Architect
3 2 (11.11%) Infrastructure Architect
3 2 (11.11%) Security Architect
3 2 (11.11%) Security Specialist
3 2 (11.11%) VMware Architect
3 2 (11.11%) Windows Infrastructure Architect
4 1 (5.56%) Cloud Engineer
4 1 (5.56%) Development Specialist
4 1 (5.56%) Digital Transformation
4 1 (5.56%) Infrastructure Design Engineer
4 1 (5.56%) Infrastructure Engineer
4 1 (5.56%) Principal Software Engineer
4 1 (5.56%) Software Engineer
4 1 (5.56%) Support Analyst
Libraries, Frameworks & Software Standards
1 4 (22.22%) SAML
2 3 (16.67%) XMPP
3 2 (11.11%) OAuth
3 2 (11.11%) OpenID
4 1 (5.56%) .NET
4 1 (5.56%) .NET Framework
4 1 (5.56%) AngularJS
4 1 (5.56%) CSS
4 1 (5.56%) DCOM
4 1 (5.56%) HTML
4 1 (5.56%) JSON
4 1 (5.56%) REST
4 1 (5.56%) Web Services
4 1 (5.56%) XML
Miscellaneous
1 5 (27.78%) Linux Command Line
2 1 (5.56%) Data Centre
2 1 (5.56%) Greenfield Project
2 1 (5.56%) Hybrid Cloud
2 1 (5.56%) Management Information System
Operating Systems
1 10 (55.56%) Windows
2 6 (33.33%) Linux
3 5 (27.78%) CentOS
3 5 (27.78%) Debian
3 5 (27.78%) Kali Linux
3 5 (27.78%) Red Hat Enterprise Linux
3 5 (27.78%) Ubuntu
4 1 (5.56%) Mac OS X
Processes & Methodologies
1 6 (33.33%) Cryptography
1 6 (33.33%) SIEM
2 5 (27.78%) Multi-Factor Authentication
2 5 (27.78%) Security Operations
2 5 (27.78%) Two-Factor Authentication
2 5 (27.78%) Vulnerability Management
3 4 (22.22%) Data Management
3 4 (22.22%) Identity Management
3 4 (22.22%) IT Strategy
3 4 (22.22%) Mobile Device Management
4 3 (16.67%) Information Security
5 2 (11.11%) Agile Software Development
5 2 (11.11%) DevOps
5 2 (11.11%) Microservices
5 2 (11.11%) Security Architecture
5 2 (11.11%) TOGAF
6 1 (5.56%) Identity Access Management
6 1 (5.56%) Low Latency
6 1 (5.56%) SDLC
6 1 (5.56%) Vulnerability Scanning
Programming Languages
1 6 (33.33%) Java
1 6 (33.33%) Python
2 5 (27.78%) Bash Shell
2 5 (27.78%) C-shell
2 5 (27.78%) Korn
2 5 (27.78%) Ruby
3 4 (22.22%) PowerShell
4 2 (11.11%) C#
4 2 (11.11%) C++
5 1 (5.56%) C
5 1 (5.56%) JavaScript
5 1 (5.56%) Perl
Qualifications
1 7 (38.89%) CISSP
2 6 (33.33%) CEH
2 6 (33.33%) GIAC
3 5 (27.78%) CREST Certified
3 5 (27.78%) Linux+ Certification
3 5 (27.78%) LPIC
3 5 (27.78%) RHCA
3 5 (27.78%) RHCE
3 5 (27.78%) RHCSA
3 5 (27.78%) SANS
3 5 (27.78%) SC Cleared
3 5 (27.78%) Security Cleared
4 4 (22.22%) Microsoft Certification
5 2 (11.11%) CISM
6 1 (5.56%) CISA
6 1 (5.56%) CRISC
Quality Assurance & Compliance
1 5 (27.78%) ISO/IEC 27001
1 5 (27.78%) PCI DSS
2 2 (11.11%) GCP
3 1 (5.56%) QA
System Software
1 9 (50.00%) Active Directory
2 5 (27.78%) pfSense
3 3 (16.67%) Hyper-V
4 2 (11.11%) Docker
5 1 (5.56%) OpenAM
Systems Management
1 5 (27.78%) FortiGate
2 4 (22.22%) McAfee ePO
3 2 (11.11%) Kubernetes
4 1 (5.56%) Opscode Chef
4 1 (5.56%) Puppet
Vendors
1 8 (44.44%) Cisco
1 8 (44.44%) Microsoft
2 5 (27.78%) Aruba
2 5 (27.78%) CheckPoint
2 5 (27.78%) Extreme Networks
2 5 (27.78%) F5
2 5 (27.78%) Fortinet
2 5 (27.78%) Juniper
2 5 (27.78%) Palo Alto
2 5 (27.78%) Red Hat
2 5 (27.78%) SonicWALL
2 5 (27.78%) WatchGuard
3 4 (22.22%) McAfee
4 3 (16.67%) VMware
5 1 (5.56%) ForgeRock