The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Cacti skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Cacti over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Cacti
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 226 257 303
Rank change year-on-year +31 +46  
Permanent jobs citing Cacti 10 5 15
As % of all permanent IT jobs advertised in the City of London 0.19% 0.079% 0.14%
As % of the Systems Management category 1.87% 0.69% 1.87%
Number of salaries quoted 9 2 10
Median salary £57,500 £65,000 £47,500
Median salary % change year-on-year -11.53% +36.84%  
90% offered a salary of more than £51,000 £65,000 £46,100
10% offered a salary of more than £71,000 £65,000 £57,500
UK excluding London median salary £45,000 £54,500 £47,500
% change year-on-year -17.43% +14.73%  

Cacti is in the systems management 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 systems management skills.

Systems Management Skills
City of London
Permanent job vacancies with a requirement for systems management skills 536 725 804
As % of all permanent IT job vacancies advertised in the City of London 10.41% 11.42% 7.74%
Number of salaries quoted 479 652 724
Median salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.34%  
90% offered a salary of more than £38,275 £40,000 £42,500
10% offered a salary of more than £82,500 £75,000 £75,000
UK excluding London median salary £46,000 £45,000 £44,750
% change year-on-year +2.22% +0.55%  

Cacti
Job Vacancy Trend in the City of London

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

Job vacancy trend for Cacti in the City of London

Cacti
Salary Trend in the City of London

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

Salary trend for Cacti in the City of London

Cacti
Salary Histogram in the City of London

The salary distribution of IT jobs citing Cacti in the City of London over the 3 months to 24 June 2017.

Salary histogram for Cacti in the City of London

For the 6 months to 24 June 2017, IT jobs citing Cacti 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 Cacti.

1 12 (85.71%) Nagios
2 10 (71.43%) Telecoms
2 10 (71.43%) MySQL
2 10 (71.43%) Python
2 10 (71.43%) Amazon AWS
3 9 (64.29%) Open Source
3 9 (64.29%) Amazon EC2
3 9 (64.29%) Amazon S3
3 9 (64.29%) Git (software)
3 9 (64.29%) Munin
3 9 (64.29%) Puppet
3 9 (64.29%) Jenkins
3 9 (64.29%) Amazon ELB
3 9 (64.29%) Opscode Chef
3 9 (64.29%) DevOps
3 9 (64.29%) Salt
3 9 (64.29%) Linux
3 9 (64.29%) Apache
3 9 (64.29%) Tomcat
3 9 (64.29%) SQL
3 9 (64.29%) VoIP
3 9 (64.29%) LAMP
3 9 (64.29%) Subversion
3 9 (64.29%) Ruby
4 8 (57.14%) Maven
4 8 (57.14%) Perl
4 8 (57.14%) VMS
4 8 (57.14%) Docker
4 8 (57.14%) Sensu
4 8 (57.14%) Graphite

Cacti
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 9 (64.29%) Apache
1 9 (64.29%) Tomcat
2 1 (7.14%) IIS
Cloud Services
1 10 (71.43%) Amazon AWS
2 9 (64.29%) Amazon EC2
2 9 (64.29%) Amazon ELB
2 9 (64.29%) Amazon S3
3 5 (35.71%) Microsoft Azure
4 3 (21.43%) Amazon Kinesis
Communications & Networking
1 9 (64.29%) VoIP
2 5 (35.71%) Firewall
3 4 (28.57%) Cisco ASA
3 4 (28.57%) Wireshark
4 3 (21.43%) Cisco Nexus
5 2 (14.29%) DHCP
5 2 (14.29%) DNS
5 2 (14.29%) LAN
5 2 (14.29%) VPN
6 1 (7.14%) BGP
6 1 (7.14%) DMZ
6 1 (7.14%) EIGRP
6 1 (7.14%) IPv4
6 1 (7.14%) IPv6
6 1 (7.14%) MPLS
6 1 (7.14%) OSPF
6 1 (7.14%) SAN
6 1 (7.14%) SSL
6 1 (7.14%) TACACS
6 1 (7.14%) VRRP
Database & Business Intelligence
1 10 (71.43%) MySQL
2 8 (57.14%) InfluxDB
3 1 (7.14%) SQL Server
Development Applications
1 9 (64.29%) Git (software)
1 9 (64.29%) Jenkins
1 9 (64.29%) Subversion
2 8 (57.14%) Maven
3 1 (7.14%) Sonatype Nexus
General
1 10 (71.43%) Telecoms
2 2 (14.29%) Finance
3 1 (7.14%) Banking
Job Titles
1 9 (64.29%) DevOps Engineer
2 4 (28.57%) Network Engineer
3 3 (21.43%) AWS DevOps
3 3 (21.43%) AWS DevOps Engineer
3 3 (21.43%) AWS Engineer
4 2 (14.29%) Analyst
4 2 (14.29%) Azure DevOps
4 2 (14.29%) Azure DevOps Engineer
4 2 (14.29%) Azure Engineer
4 2 (14.29%) Senior Network Engineer
5 1 (7.14%) Systems Engineer
Libraries, Frameworks & Software Standards
1 9 (64.29%) LAMP
2 8 (57.14%) Sensu
3 3 (21.43%) FreeSWITCH
3 3 (21.43%) Serverless Framework
4 1 (7.14%) 802.1X
4 1 (7.14%) FFmpeg
Miscellaneous
1 1 (7.14%) Data Centre
1 1 (7.14%) Hybrid Cloud
1 1 (7.14%) Streaming Media
Operating Systems
1 9 (64.29%) Linux
2 8 (57.14%) VMS
3 2 (14.29%) Windows
4 1 (7.14%) CentOS
4 1 (7.14%) Windows Server
4 1 (7.14%) Windows Server 2003
Processes & Methodologies
1 9 (64.29%) DevOps
1 9 (64.29%) Open Source
2 8 (57.14%) Task Automation
3 7 (50.00%) Continuous Integration
4 2 (14.29%) Service Delivery
5 1 (7.14%) Asset Management
5 1 (7.14%) Data Centre Operations
5 1 (7.14%) ITIL
5 1 (7.14%) Kalman Filter
5 1 (7.14%) Load Balancing
5 1 (7.14%) Network Management
5 1 (7.14%) Network Monitoring
5 1 (7.14%) Penetration Testing
5 1 (7.14%) Web Filtering
Programming Languages
1 10 (71.43%) Python
2 9 (64.29%) Ruby
2 9 (64.29%) SQL
3 8 (57.14%) Erlang
3 8 (57.14%) Perl
4 1 (7.14%) Java
Qualifications
1 3 (21.43%) CCNP
1 3 (21.43%) Cisco Certification
2 2 (14.29%) CCSP
2 2 (14.29%) Degree
2 2 (14.29%) Master's Degree
3 1 (7.14%) CCIE
3 1 (7.14%) CCIE Service Provider
3 1 (7.14%) CCNA
System Software
1 8 (57.14%) Docker
1 8 (57.14%) Virtual Machines
2 1 (7.14%) Active Directory
2 1 (7.14%) Snort
2 1 (7.14%) VMware ESXi
2 1 (7.14%) Xen
Systems Management
1 12 (85.71%) Nagios
2 9 (64.29%) Munin
2 9 (64.29%) Opscode Chef
2 9 (64.29%) Puppet
2 9 (64.29%) Salt
3 8 (57.14%) Grafana
3 8 (57.14%) Graphite
3 8 (57.14%) Terraform
4 3 (21.43%) Cisco Prime
5 2 (14.29%) Cisco CUCM
5 2 (14.29%) OpenView
5 2 (14.29%) QRadar
5 2 (14.29%) SolarWinds Orion
6 1 (7.14%) Ansible
6 1 (7.14%) TrustSec
6 1 (7.14%) ZABBIX
Vendors
1 4 (28.57%) Cisco
1 4 (28.57%) Huawei
1 4 (28.57%) Palo Alto
2 2 (14.29%) Avaya
2 2 (14.29%) CheckPoint
2 2 (14.29%) Citrix
2 2 (14.29%) F5
2 2 (14.29%) HP
3 1 (7.14%) Forcepoint
3 1 (7.14%) IBM
3 1 (7.14%) Microsoft
3 1 (7.14%) SolarWinds
3 1 (7.14%) VMware