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 3 months to 25 June 2017 with a comparison to the same period over the previous 2 years.

Public-Key Infrastructure (PKI)
London / City of London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 209 252 270
Rank change year-on-year +43 +18  
Permanent jobs citing PKI 22 9 36
As % of all permanent IT jobs advertised in the City of London 0.43% 0.14% 0.35%
As % of the Miscellaneous category 0.91% 0.31% 0.80%
Number of salaries quoted 21 8 22
Median salary £39,000 £55,000 £65,000
Median salary % change year-on-year -29.09% -15.38%  
90% offered a salary of more than £38,000 £42,500 £50,500
10% offered a salary of more than £62,500 £63,250 £74,500
UK excluding London median salary £50,000 £55,000 £47,500
% change year-on-year -9.09% +15.78%  

PKI is in the generic IT skills category. The next 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.

Generic IT Skills
City of London
Permanent job vacancies with a requirement for generic IT skills 2429 2946 4522
As % of all permanent IT job vacancies advertised in the City of London 47.19% 46.81% 43.70%
Number of salaries quoted 2134 2649 3718
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £35,000 £37,500 £36,000
10% offered a salary of more than £90,000 £85,000 £85,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year - +6.25%  

PKI
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing PKI as a proportion of all permanent or contract IT jobs with a match in the Miscellaneous category.

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 3 months to 25 June 2017.

Salary histogram for PKI in the City of London

For the 6 months to 25 June 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 40 (86.96%) Windows
2 35 (76.09%) Microsoft
3 31 (67.39%) Cisco
4 25 (54.35%) Firewall
5 24 (52.17%) Linux
5 24 (52.17%) Red Hat Enterprise Linux
5 24 (52.17%) Vulnerability Management
6 22 (47.83%) Juniper
7 21 (45.65%) Red Hat
7 21 (45.65%) VPN
7 21 (45.65%) Ubuntu
7 21 (45.65%) ISO/IEC 27001
7 21 (45.65%) PCI DSS
7 21 (45.65%) SIEM
7 21 (45.65%) CentOS
8 20 (43.48%) Active Directory
9 19 (41.30%) Two-Factor Authentication
9 19 (41.30%) Multi-Factor Authentication
9 19 (41.30%) Linux Command Line
10 18 (39.13%) Debian
11 17 (36.96%) VMware
11 17 (36.96%) Data Centre
12 16 (34.78%) LogRhythm
12 16 (34.78%) McAfee
13 14 (30.43%) Cisco Certification
13 14 (30.43%) CCSP
13 14 (30.43%) CCNP
13 14 (30.43%) CCDP
13 14 (30.43%) Sourcefire
13 14 (30.43%) Snort

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:

Application Platforms
1 11 (23.91%) MS Exchange
2 8 (17.39%) Exchange Server 2010
2 8 (17.39%) IIS
2 8 (17.39%) SharePoint
2 8 (17.39%) SharePoint 2013
2 8 (17.39%) Skype for Business
3 3 (6.52%) Apache
3 3 (6.52%) Exchange Server 2013
4 1 (2.17%) Confluence
Cloud Services
1 4 (8.70%) IaaS
1 4 (8.70%) PaaS
2 1 (2.17%) Amazon AWS
2 1 (2.17%) Amazon CloudWatch
2 1 (2.17%) Amazon EC2
2 1 (2.17%) Amazon S3
2 1 (2.17%) AWS CloudFormation
2 1 (2.17%) Microsoft Azure
Communications & Networking
1 25 (54.35%) Firewall
2 21 (45.65%) VPN
3 14 (30.43%) Cisco ISE
4 12 (26.09%) Network Security
5 10 (21.74%) SAN
6 9 (19.57%) DHCP
6 9 (19.57%) DNS
7 8 (17.39%) Skype
8 7 (15.22%) Cisco ASA
8 7 (15.22%) Cisco Wireless
8 7 (15.22%) Wireless
9 6 (13.04%) IPsec
10 5 (10.87%) HTTP
10 5 (10.87%) HTTPS
10 5 (10.87%) TCP/IP
11 4 (8.70%) Cisco IOS
11 4 (8.70%) Cisco Nexus
11 4 (8.70%) LDAP
11 4 (8.70%) WAN
12 3 (6.52%) NAS
Database & Business Intelligence
1 7 (15.22%) SQL Server
2 1 (2.17%) Amazon RDS
Development Applications
1 3 (6.52%) Oracle APEX
2 1 (2.17%) Atlassian Bamboo
2 1 (2.17%) Git (software)
2 1 (2.17%) Jenkins
2 1 (2.17%) JIRA
2 1 (2.17%) Octopus Deploy
2 1 (2.17%) TeamCity
General
1 13 (28.26%) Finance
2 5 (10.87%) Banking
Job Titles
1 24 (52.17%) Analyst
2 14 (30.43%) Security Analyst
3 11 (23.91%) Firewall Analyst
4 9 (19.57%) Infrastructure Analyst
4 9 (19.57%) Linux Engineer
4 9 (19.57%) Security Engineer
5 8 (17.39%) IT Analyst
5 8 (17.39%) IT Security Analyst
6 7 (15.22%) Infrastructure Engineer
7 5 (10.87%) Firewall Engineer
7 5 (10.87%) SOC Analyst
8 3 (6.52%) Banking Analyst
8 3 (6.52%) Banking Business Analyst
8 3 (6.52%) Business Analyst
8 3 (6.52%) Cybersecurity Analyst
8 3 (6.52%) Infrastructure Specialist
8 3 (6.52%) IT Engineer
8 3 (6.52%) IT Security Engineer
8 3 (6.52%) SIEM Engineer
8 3 (6.52%) SOC Engineer
Libraries, Frameworks & Software Standards
1 4 (8.70%) SAML
1 4 (8.70%) XMPP
2 3 (6.52%) Middleware
Miscellaneous
1 19 (41.30%) Linux Command Line
2 17 (36.96%) Data Centre
3 8 (17.39%) Clustering
4 3 (6.52%) Analytical Skills
4 3 (6.52%) Derivative
4 3 (6.52%) Enterprise Storage
4 3 (6.52%) Private Cloud
4 3 (6.52%) Replication
5 1 (2.17%) Hybrid Cloud
5 1 (2.17%) YubiKey
Operating Systems
1 40 (86.96%) Windows
2 24 (52.17%) Linux
2 24 (52.17%) Red Hat Enterprise Linux
3 21 (45.65%) CentOS
3 21 (45.65%) Ubuntu
4 18 (39.13%) Debian
5 14 (30.43%) Kali Linux
6 10 (21.74%) Windows Server
7 8 (17.39%) Windows Server 2008
7 8 (17.39%) Windows Server 2012
8 6 (13.04%) Solaris
9 3 (6.52%) Data ONTAP
10 2 (4.35%) Unix
Processes & Methodologies
1 24 (52.17%) Vulnerability Management
2 21 (45.65%) SIEM
3 19 (41.30%) Multi-Factor Authentication
3 19 (41.30%) Two-Factor Authentication
4 8 (17.39%) Cryptography
4 8 (17.39%) ITIL
4 8 (17.39%) Release Management
5 7 (15.22%) Virtual Environments
5 7 (15.22%) Virtual Infrastructure
6 6 (13.04%) Configuration Management
6 6 (13.04%) Disaster Recovery
7 5 (10.87%) Security Operations
8 4 (8.70%) DevOps
8 4 (8.70%) IT Strategy
8 4 (8.70%) Project Management
8 4 (8.70%) Stakeholder Management
9 3 (6.52%) Business Analysis
9 3 (6.52%) Data Centre Operations
9 3 (6.52%) Information Security
9 3 (6.52%) Penetration Testing
Programming Languages
1 10 (21.74%) Python
2 8 (17.39%) Java
3 5 (10.87%) Bash Shell
3 5 (10.87%) C-shell
3 5 (10.87%) Korn
3 5 (10.87%) Ruby
4 3 (6.52%) Perl
4 3 (6.52%) Shell Script
Qualifications
1 14 (30.43%) CCDP
1 14 (30.43%) CCNP
1 14 (30.43%) CCSP
1 14 (30.43%) CESG Certified Professional
1 14 (30.43%) Cisco Certification
2 7 (15.22%) Linux+ Certification
2 7 (15.22%) LPIC
2 7 (15.22%) Microsoft Certification
2 7 (15.22%) RHCA
2 7 (15.22%) RHCE
2 7 (15.22%) RHCSA
3 5 (10.87%) CEH
3 5 (10.87%) CISSP
3 5 (10.87%) CREST Certified
3 5 (10.87%) GIAC
3 5 (10.87%) SANS
3 5 (10.87%) SC Cleared
3 5 (10.87%) Security Cleared
4 4 (8.70%) MCSA
4 4 (8.70%) MCSE
Quality Assurance & Compliance
1 21 (45.65%) ISO/IEC 27001
1 21 (45.65%) PCI DSS
2 2 (4.35%) SLA
System Software
1 20 (43.48%) Active Directory
2 14 (30.43%) Snort
3 13 (28.26%) pfSense
3 13 (28.26%) VMware Infrastructure
4 8 (17.39%) vSphere
4 8 (17.39%) XenApp
4 8 (17.39%) XenDesktop
5 7 (15.22%) Hyper-V
6 3 (6.52%) NFS
Systems Management
1 14 (30.43%) OSSEC
2 10 (21.74%) SCOM
3 8 (17.39%) WSUS
4 7 (15.22%) FortiGate
4 7 (15.22%) Nessus
5 5 (10.87%) Puppet
5 5 (10.87%) QRadar
5 5 (10.87%) vCenter Server
6 4 (8.70%) SCCM
7 3 (6.52%) Ansible
7 3 (6.52%) Opscode Chef
7 3 (6.52%) Salt
Vendors
1 35 (76.09%) Microsoft
2 31 (67.39%) Cisco
3 22 (47.83%) Juniper
4 21 (45.65%) Red Hat
5 17 (36.96%) VMware
6 16 (34.78%) LogRhythm
6 16 (34.78%) McAfee
7 14 (30.43%) Sourcefire
8 11 (23.91%) Citrix
9 8 (17.39%) F5
9 8 (17.39%) Palo Alto
10 7 (15.22%) AlienVault
10 7 (15.22%) Aruba
10 7 (15.22%) CheckPoint
10 7 (15.22%) Extreme Networks
10 7 (15.22%) Fortinet
10 7 (15.22%) SonicWALL
10 7 (15.22%) WatchGuard
11 6 (13.04%) NetApp
12 3 (6.52%) Oracle