The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for pfSense skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited pfSense over the 3 months to 25 June 2017 with a comparison to the same period in the previous 2 years.

pfSense
England / London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 595 635 678
Rank change year-on-year +40 +43  
Permanent jobs citing pfSense 17 1 3
As % of all permanent IT jobs advertised in London 0.047% 0.003% 0.007%
As % of the System Software category 0.34% 0.020% 0.060%
Number of salaries quoted 17 1 3
Median salary £39,000 £40,000 £35,000
Median salary % change year-on-year -2.50% +14.28%  
90% offered a salary of more than £38,000 £40,000 £33,800
10% offered a salary of more than £46,000 £40,000 £83,000
UK excluding London median salary £45,000 £35,000 £38,750
% change year-on-year +28.57% -9.67%  

pfSense is in the system software skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for system software skills.

System Software Skills
London
Permanent job vacancies with a requirement for system software skills 4945 5095 4980
As % of all permanent IT job vacancies advertised in London 13.62% 12.91% 11.12%
Number of salaries quoted 4231 4468 4342
Median salary £55,000 £52,500 £47,500
Median salary % change year-on-year +4.76% +10.52%  
90% offered a salary of more than £30,000 £30,000 £29,500
10% offered a salary of more than £77,500 £72,500 £75,000
UK excluding London median salary £38,500 £39,000 £37,500
% change year-on-year -1.28% +4.00%  

pfSense
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing pfSense as a proportion of all permanent or contract IT jobs with a match in the System Software category.

Job vacancy trend for pfSense in London

pfSense
Salary Trend in London

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

Salary trend for pfSense in London

pfSense
Salary Histogram in London

The salary distribution of IT jobs citing pfSense in London over the 3 months to 25 June 2017.

Salary histogram for pfSense in London

pfSense
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing pfSense within the London region over the 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London - 15 £39,000 -
pfSense
England

For the 6 months to 25 June 2017, IT jobs citing pfSense 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 pfSense.

1 19 (95.00%) Linux
2 18 (90.00%) Windows
2 18 (90.00%) Firewall
3 16 (80.00%) VPN
3 16 (80.00%) Cisco
4 15 (75.00%) CentOS
5 14 (70.00%) Red Hat
5 14 (70.00%) Debian
6 13 (65.00%) Juniper
6 13 (65.00%) Red Hat Enterprise Linux
6 13 (65.00%) Ubuntu
6 13 (65.00%) PKI
6 13 (65.00%) ISO/IEC 27001
6 13 (65.00%) PCI DSS
6 13 (65.00%) SIEM
6 13 (65.00%) Vulnerability Management
6 13 (65.00%) Two-Factor Authentication
6 13 (65.00%) Multi-Factor Authentication
7 12 (60.00%) Linux Command Line
8 11 (55.00%) Kali Linux
9 9 (45.00%) Network Security
10 8 (40.00%) Data Centre
10 8 (40.00%) LogRhythm
10 8 (40.00%) McAfee
10 8 (40.00%) Cisco Certification
10 8 (40.00%) Microsoft
10 8 (40.00%) Python
11 7 (35.00%) CCNP
11 7 (35.00%) RHCE
11 7 (35.00%) CheckPoint

pfSense
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 3 (15.00%) IIS
2 1 (5.00%) Apache
2 1 (5.00%) nginx
Cloud Services
1 3 (15.00%) Amazon AWS
2 1 (5.00%) Amazon CloudWatch
2 1 (5.00%) Microsoft Azure
Communications & Networking
1 18 (90.00%) Firewall
2 16 (80.00%) VPN
3 9 (45.00%) Network Security
4 7 (35.00%) Cisco ASA
4 7 (35.00%) Cisco Wireless
4 7 (35.00%) Wireless
5 6 (30.00%) Cisco ISE
5 6 (30.00%) HTTP
6 5 (25.00%) HTTPS
6 5 (25.00%) IPsec
6 5 (25.00%) TCP/IP
7 3 (15.00%) DHCP
7 3 (15.00%) DNS
7 3 (15.00%) NAS
8 2 (10.00%) HSRP
8 2 (10.00%) Spanning Tree
8 2 (10.00%) VoIP
9 1 (5.00%) Asterisk PBX
9 1 (5.00%) Internet
9 1 (5.00%) SMTP
Database & Business Intelligence
1 2 (10.00%) MySQL
2 1 (5.00%) SQL Server
General
1 1 (5.00%) Advertising
Job Titles
1 7 (35.00%) Analyst
1 7 (35.00%) Security Engineer
2 6 (30.00%) Firewall Analyst
2 6 (30.00%) Linux Engineer
2 6 (30.00%) Security Analyst
3 5 (25.00%) IT Analyst
3 5 (25.00%) IT Security Analyst
4 4 (20.00%) Infrastructure Engineer
5 3 (15.00%) SIEM Engineer
6 2 (10.00%) Administrator
6 2 (10.00%) Firewall Engineer
6 2 (10.00%) Infrastructure Security Engineer
6 2 (10.00%) Network Engineer
6 2 (10.00%) Network Infrastructure Engineer
6 2 (10.00%) Network Security Engineer
6 2 (10.00%) Systems Administrator
6 2 (10.00%) Systems Engineer
7 1 (5.00%) Junior
7 1 (5.00%) Linux Systems Administrator
7 1 (5.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 1 (5.00%) CGI
1 1 (5.00%) FFmpeg
Miscellaneous
1 13 (65.00%) PKI
2 12 (60.00%) Linux Command Line
3 8 (40.00%) Data Centre
4 1 (5.00%) Animation
4 1 (5.00%) Digital Media
4 1 (5.00%) Management Information System
4 1 (5.00%) Video on Demand
Operating Systems
1 19 (95.00%) Linux
2 18 (90.00%) Windows
3 15 (75.00%) CentOS
4 14 (70.00%) Debian
5 13 (65.00%) Red Hat Enterprise Linux
5 13 (65.00%) Ubuntu
6 11 (55.00%) Kali Linux
7 5 (25.00%) Windows Server
8 2 (10.00%) Windows Server 2003
8 2 (10.00%) Windows Server 2008
9 1 (5.00%) Solaris
9 1 (5.00%) Unix
9 1 (5.00%) Windows 7
9 1 (5.00%) Windows Server 2012
9 1 (5.00%) Windows XP
Processes & Methodologies
1 13 (65.00%) Multi-Factor Authentication
1 13 (65.00%) SIEM
1 13 (65.00%) Two-Factor Authentication
1 13 (65.00%) Vulnerability Management
2 5 (25.00%) Cryptography
2 5 (25.00%) Security Operations
3 2 (10.00%) Configuration Management
3 2 (10.00%) Patch Management
4 1 (5.00%) CRM
4 1 (5.00%) Hardware Maintenance
4 1 (5.00%) Open Source
4 1 (5.00%) Server Hardening
Programming Languages
1 8 (40.00%) Python
2 5 (25.00%) Bash Shell
2 5 (25.00%) C-shell
2 5 (25.00%) Java
2 5 (25.00%) Korn
2 5 (25.00%) Ruby
Qualifications
1 8 (40.00%) Cisco Certification
2 7 (35.00%) CCNP
2 7 (35.00%) Linux+ Certification
2 7 (35.00%) LPIC
2 7 (35.00%) RHCA
2 7 (35.00%) RHCE
2 7 (35.00%) RHCSA
3 6 (30.00%) CCDP
3 6 (30.00%) CCSP
3 6 (30.00%) CESG Certified Professional
4 5 (25.00%) CEH
4 5 (25.00%) CISSP
4 5 (25.00%) CREST Certified
4 5 (25.00%) GIAC
4 5 (25.00%) SANS
4 5 (25.00%) SC Cleared
4 5 (25.00%) Security Cleared
5 2 (10.00%) CCNA
6 1 (5.00%) MCP
6 1 (5.00%) MCSE
Quality Assurance & Compliance
1 13 (65.00%) ISO/IEC 27001
1 13 (65.00%) PCI DSS
System Software
1 6 (30.00%) Active Directory
1 6 (30.00%) Snort
2 1 (5.00%) iptables
2 1 (5.00%) VMware ESXi
Systems Management
1 7 (35.00%) FortiGate
1 7 (35.00%) Nessus
2 6 (30.00%) OSSEC
3 5 (25.00%) QRadar
4 2 (10.00%) Cacti
4 2 (10.00%) Nagios
4 2 (10.00%) Puppet
5 1 (5.00%) Graylog
5 1 (5.00%) SELinux
Vendors
1 16 (80.00%) Cisco
2 14 (70.00%) Red Hat
3 13 (65.00%) Juniper
4 8 (40.00%) LogRhythm
4 8 (40.00%) McAfee
4 8 (40.00%) Microsoft
5 7 (35.00%) AlienVault
5 7 (35.00%) Aruba
5 7 (35.00%) CheckPoint
5 7 (35.00%) Extreme Networks
5 7 (35.00%) F5
5 7 (35.00%) Fortinet
5 7 (35.00%) Palo Alto
5 7 (35.00%) SonicWALL
5 7 (35.00%) WatchGuard
6 6 (30.00%) Sourcefire
7 3 (15.00%) VMware
8 2 (10.00%) Avaya
8 2 (10.00%) Qualys
8 2 (10.00%) Veeam