The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Squid skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Squid over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Squid Cache
England / London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 393 429 416
Rank change year-on-year +36 -13  
Contract jobs citing Squid 7 5 4
As % of all contract IT jobs advertised in London 0.036% 0.022% 0.019%
As % of the System Software category 0.32% 0.22% 0.20%
Number of daily rates quoted 3 4 1
Median daily rate £425 £425 £500
Median daily rate % change year-on-year - -15.00%  
UK excluding London median daily rate £400 £350 -
% change year-on-year +14.28% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Contract System Software Skills
London
Contract job vacancies with a requirement for system software skills 2176 2248 1988
As % of all contract IT job vacancies advertised in London 11.04% 9.96% 9.28%
Number of daily rates quoted 1517 1556 1304
Median daily rate £450 £440 £413
Median daily rate % change year-on-year +2.27% +6.66%  
90% offered a daily rate of more than £225 £250 £195
10% offered a daily rate of more than £600 £550 £550
UK excluding London median daily rate £350 £370 £350
% change year-on-year -5.40% +5.71%  
Number of hourly rates quoted 51 93 136
Median hourly rate £23.00 £15.00 £17.50
Median hourly rate % change year-on-year +53.33% -14.28%  
90% offered a hourly rate of more than £14.42 £11.50 £12.50
10% offered a hourly rate of more than £50.00 £29.30 £28.75
UK excluding London median hourly rate £16.00 £16.50 £15.85
% change year-on-year -3.03% +4.10%  

Squid
Job Vacancy Trend in London

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

Job vacancy trend for Squid in London

Squid
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Squid in London.

Contractor daily rate trend for Squid in London

Squid
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Squid in London over the 3 months to 30 March 2017.

Contractor daily rate histogram for Squid in London

Squid
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Squid in London.

Contractor hourly rate trend for Squid in London

Squid
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Squid within the London region over the 3 months to 30 March 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Croydon - 1 - -
Squid
England

For the 6 months to 30 March 2017, IT contractor jobs citing Squid also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Squid.

1 35 (89.74%) Puppet
2 33 (84.62%) Jenkins
2 33 (84.62%) Docker
3 28 (71.79%) Oracle
3 28 (71.79%) Apache
4 27 (69.23%) Linux
4 27 (69.23%) Configuration Management
5 26 (66.67%) DNS
5 26 (66.67%) OpenVPN
5 26 (66.67%) VMware
5 26 (66.67%) SSH
6 25 (64.10%) Security Cleared
6 25 (64.10%) Postfix
7 24 (61.54%) Amazon AWS
7 24 (61.54%) Git (software)
7 24 (61.54%) ZABBIX
7 24 (61.54%) OpenLDAP
7 24 (61.54%) vCloud
7 24 (61.54%) Agile Software Development
7 24 (61.54%) Maven
7 24 (61.54%) JIRA
7 24 (61.54%) Continuous Integration
7 24 (61.54%) SC Cleared
7 24 (61.54%) Ant
7 24 (61.54%) JUnit
7 24 (61.54%) Service Management
7 24 (61.54%) Scrum
7 24 (61.54%) logstash
7 24 (61.54%) Ansible
7 24 (61.54%) Elasticsearch

Squid
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 28 (71.79%) Apache
2 24 (61.54%) Elasticsearch
3 22 (56.41%) nginx
4 21 (53.85%) Confluence
5 6 (15.38%) Tomcat
6 1 (2.56%) SharePoint
6 1 (2.56%) Skype for Business
Applications
1 17 (43.59%) HipChat
2 1 (2.56%) MS Excel
Cloud Services
1 24 (61.54%) Amazon AWS
2 4 (10.26%) Amazon CloudWatch
2 4 (10.26%) Amazon EC2
2 4 (10.26%) Amazon ELB
2 4 (10.26%) Amazon S3
2 4 (10.26%) Virtual Private Cloud
Communications & Networking
1 26 (66.67%) DNS
1 26 (66.67%) OpenVPN
1 26 (66.67%) SSH
2 24 (61.54%) OpenLDAP
3 15 (38.46%) VPN
4 14 (35.90%) Reverse Proxy
5 13 (33.33%) IPsec
6 6 (15.38%) HTTP
7 2 (5.13%) Firewall
7 2 (5.13%) Intrusion Detection
7 2 (5.13%) PuTTY
7 2 (5.13%) SSL
8 1 (2.56%) LDAP
8 1 (2.56%) SNMP
8 1 (2.56%) VLAN
Database & Business Intelligence
1 23 (58.97%) Oracle Database
2 21 (53.85%) PostgreSQL
3 17 (43.59%) Hadoop
4 14 (35.90%) Oracle Database 11g
5 4 (10.26%) Amazon RDS
5 4 (10.26%) MySQL
Development Applications
1 33 (84.62%) Jenkins
2 24 (61.54%) Ant
2 24 (61.54%) Git (software)
2 24 (61.54%) JIRA
2 24 (61.54%) JUnit
2 24 (61.54%) Liquibase
2 24 (61.54%) Maven
2 24 (61.54%) SonarQube
2 24 (61.54%) Sonatype Nexus
3 17 (43.59%) JIRA Agile
4 6 (15.38%) Bitbucket
5 1 (2.56%) Metasploit
Job Titles
1 8 (20.51%) Consultant
1 8 (20.51%) DevOps Engineer
2 6 (15.38%) DBA
2 6 (15.38%) Oracle DBA
3 4 (10.26%) AWS DevOps
3 4 (10.26%) AWS Engineer
4 3 (7.69%) Administrator
4 3 (7.69%) Developer
4 3 (7.69%) Digital Developer
5 2 (5.13%) Linux Engineer
5 2 (5.13%) Senior DevOps
5 2 (5.13%) Senior DevOps Engineer
6 1 (2.56%) 3rd Line Engineer
6 1 (2.56%) 3rd Line Network Engineer
6 1 (2.56%) 3rd Line Support
6 1 (2.56%) 3rd Line Support Engineer
6 1 (2.56%) Junior DevOps
6 1 (2.56%) Linux Systems Engineer
6 1 (2.56%) SC Cleared DBA
6 1 (2.56%) Support Engineer
Libraries, Frameworks & Software Standards
1 24 (61.54%) Elastic Stack
1 24 (61.54%) MCollective
2 20 (51.28%) Software Packaging
3 9 (23.08%) Oracle GoldenGate
4 4 (10.26%) REST
5 2 (5.13%) CGI
5 2 (5.13%) Embperl
5 2 (5.13%) FastCGI
5 2 (5.13%) LAMP
5 2 (5.13%) Memcached
5 2 (5.13%) Ruby on Rails
Miscellaneous
1 6 (15.38%) Linux Command Line
2 4 (10.26%) Management Information System
3 2 (5.13%) Client/Server
Operating Systems
1 27 (69.23%) Linux
2 22 (56.41%) CentOS
3 13 (33.33%) RancherOS
3 13 (33.33%) VyOS
4 5 (12.82%) Unix
5 3 (7.69%) Red Hat Enterprise Linux
6 2 (5.13%) Solaris
6 2 (5.13%) SUSE
6 2 (5.13%) SUSE Linux Enterprise Server
7 1 (2.56%) Windows
7 1 (2.56%) Windows Server
Processes & Methodologies
1 27 (69.23%) Configuration Management
2 24 (61.54%) Agile Software Development
2 24 (61.54%) Continuous Delivery
2 24 (61.54%) Continuous Integration
2 24 (61.54%) Scrum
2 24 (61.54%) Service Management
3 21 (53.85%) DevOps
4 20 (51.28%) Identity Management
4 20 (51.28%) Stakeholder Management
4 20 (51.28%) Workflow
5 8 (20.51%) Data Architecture
5 8 (20.51%) Data Migration
5 8 (20.51%) Migration
6 7 (17.95%) Quality Management
7 6 (15.38%) Coaching
7 6 (15.38%) Load Balancing
8 5 (12.82%) Data Security
8 5 (12.82%) Penetration Testing
8 5 (12.82%) Security Management
8 5 (12.82%) User Acceptance Testing
Programming Languages
1 17 (43.59%) Shell Script
2 6 (15.38%) Java
3 5 (12.82%) Ruby
4 4 (10.26%) Bash Shell
4 4 (10.26%) Groovy
5 2 (5.13%) C
5 2 (5.13%) C++
5 2 (5.13%) Go
5 2 (5.13%) Perl
5 2 (5.13%) PHP
5 2 (5.13%) Python
6 1 (2.56%) SQL
Qualifications
1 25 (64.10%) Security Cleared
2 24 (61.54%) SC Cleared
3 9 (23.08%) Oracle Certification
4 5 (12.82%) DV Cleared
5 4 (10.26%) CLAS
6 3 (7.69%) CTC Cleared
7 1 (2.56%) BPSS Clearance
7 1 (2.56%) CCNA
7 1 (2.56%) CCNP
7 1 (2.56%) Cisco Certification
Quality Assurance & Compliance
1 7 (17.95%) Data Quality
2 1 (2.56%) ISO27005
2 1 (2.56%) PCI DSS
System Software
1 33 (84.62%) Docker
2 25 (64.10%) Postfix
3 24 (61.54%) vCloud
4 9 (23.08%) Corosync
5 4 (10.26%) Virtual Machines
6 3 (7.69%) NFS
6 3 (7.69%) Snort
7 2 (5.13%) VMware Infrastructure
8 1 (2.56%) Active Directory
8 1 (2.56%) KVM
8 1 (2.56%) Microsoft Virtual Server
8 1 (2.56%) Samba
8 1 (2.56%) Virtual Servers
8 1 (2.56%) Xen
Systems Management
1 35 (89.74%) Puppet
2 24 (61.54%) Ansible
2 24 (61.54%) Docker Swarm
2 24 (61.54%) Kibana
2 24 (61.54%) Kubernetes
2 24 (61.54%) logstash
2 24 (61.54%) Rancher
2 24 (61.54%) Terraform
2 24 (61.54%) ZABBIX
3 15 (38.46%) HAProxy
4 14 (35.90%) Consul
4 14 (35.90%) Packer
5 9 (23.08%) Pacemaker
6 4 (10.26%) Rsyslog
6 4 (10.26%) Sysdig
7 3 (7.69%) Nessus
7 3 (7.69%) OSSEC
7 3 (7.69%) Red Hat Spacewalk
8 2 (5.13%) yum
9 1 (2.56%) Nagios
Vendors
1 28 (71.79%) Oracle
2 26 (66.67%) VMware
3 24 (61.54%) Sonatype
4 14 (35.90%) AppDynamics
5 13 (33.33%) Vyatta
6 4 (10.26%) Red Hat
7 2 (5.13%) Atlassian
8 1 (2.56%) Microsoft
8 1 (2.56%) Sourcefire