Period
to 20 February 2018

The following table provides summary statistics for permanent job vacancies with a requirement for Varnish skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Varnish over the 6 months to 20 February 2018 with a comparison to the same period in the previous 2 years.

Varnish
UK
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 1137 984 948
Rank change year-on-year -153 -36 +48
Permanent jobs citing Varnish 61 200 355
As % of all permanent IT jobs advertised in the UK 0.035% 0.11% 0.17%
As % of the System Software category 0.26% 0.93% 1.44%
Number of salaries quoted 59 183 319
UK median annual salary £50,000 £57,500 £50,000
Median salary % change year-on-year -13.04% +15.00% +7.53%
10th Percentile £33,500 £29,000 £32,000
90th Percentile £90,000 £72,250 £65,000
UK excluding London median annual salary £38,250 £50,000 £34,000
% change year-on-year -23.50% +47.06% -2.86%

Varnish is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 23,545 21,449 24,704
As % of all permanent IT jobs advertised in the UK 13.32% 12.27% 11.78%
Number of salaries quoted 19,447 17,793 20,834
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
10th Percentile £24,250 £23,250 £22,750
90th Percentile £77,500 £72,500 £67,500
UK excluding London median annual salary £40,000 £37,500 £37,500
% change year-on-year +6.67% - +7.14%

Varnish
Job Vacancy Trend

Job postings citing Varnish as a percentage of all IT jobs advertised.

Job vacancy trend for Varnish in the UK

Varnish
Salary Trend

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

Salary trend for Varnish in the UK

Varnish
Salary Histogram

The salary distribution of IT jobs citing Varnish over the 6 months to 20 February 2018.

Salary histogram for Varnish in the UK

Varnish
Top 9 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Varnish within the UK over the 6 months to 20 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -145 59 £50,000 -13.04% 9
London -102 38 £60,000 - 2
UK excluding London -66 23 £38,250 -23.50% 8
North of England -21 17 £37,500 +20.00% 5
North West -20 14 £38,250 +31.90% 4
Yorkshire +4 3 £32,500 -7.14% 1
South East -17 3 £50,000 -20.00% 1
Wales +5 2 £38,750 +6.16% 1
East of England - 1 - - 1

For the 6 months to 20 February 2018, IT jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for Varnish.

1 58 (95.08%) nginx
2 52 (85.25%) Linux
3 48 (78.69%) Apache
4 44 (72.13%) Git (software)
5 40 (65.57%) Python
6 35 (57.38%) Opscode Chef
7 34 (55.74%) DevOps
8 32 (52.46%) HAProxy
8 32 (52.46%) MySQL
9 30 (49.18%) Amazon AWS
10 28 (45.90%) Ruby
11 27 (44.26%) Configuration Management
12 26 (42.62%) Unix
12 26 (42.62%) Bash Shell
12 26 (42.62%) Puppet
12 26 (42.62%) Docker
13 25 (40.98%) Jenkins
14 23 (37.70%) LEMP Stack
15 22 (36.07%) LAMP
16 21 (34.43%) Agile Software Development
17 19 (31.15%) PHP
17 19 (31.15%) SQL
17 19 (31.15%) Continuous Integration
18 18 (29.51%) Elasticsearch
19 17 (27.87%) Ansible
19 17 (27.87%) Graphite
19 17 (27.87%) Windows
20 16 (26.23%) PostgreSQL
20 16 (26.23%) Open Source
20 16 (26.23%) Redis

Varnish
Co-occurring IT Skills 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 58 (95.08%) nginx
2 48 (78.69%) Apache
3 18 (29.51%) Elasticsearch
4 11 (18.03%) IIS
5 10 (16.39%) Cloud Foundry
5 10 (16.39%) CloudStack
5 10 (16.39%) OpenStack
6 8 (13.11%) Apache Solr
7 4 (6.56%) Confluence
7 4 (6.56%) Drupal
7 4 (6.56%) Traffic Server
8 3 (4.92%) lighttpd
9 2 (3.28%) CMS
9 2 (3.28%) WordPress
Business Applications
1 5 (8.20%) Magento
Cloud Services
1 30 (49.18%) Amazon AWS
2 12 (19.67%) Google Cloud Platform
2 12 (19.67%) Microsoft Azure
3 4 (6.56%) SaaS
4 3 (4.92%) Amazon EC2
5 2 (3.28%) AWS CloudFormation
5 2 (3.28%) Rackspace Cloud
6 1 (1.64%) Amazon CloudWatch
6 1 (1.64%) Amazon ELB
6 1 (1.64%) Amazon S3
6 1 (1.64%) Google App Engine
Communications & Networking
1 15 (24.59%) Firewall
1 15 (24.59%) TCP/IP
2 10 (16.39%) VLAN
3 6 (9.84%) HTTP
4 5 (8.20%) DNS
4 5 (8.20%) Internet
5 4 (6.56%) HTTPS
6 3 (4.92%) VPN
7 2 (3.28%) LAN
8 1 (1.64%) OpenVPN
8 1 (1.64%) WAN
Database & Business Intelligence
1 32 (52.46%) MySQL
2 16 (26.23%) PostgreSQL
2 16 (26.23%) Redis
3 13 (21.31%) MongoDB
4 11 (18.03%) Apache Cassandra
5 10 (16.39%) Hadoop
5 10 (16.39%) MariaDB
6 7 (11.48%) Big Data
7 3 (4.92%) InterSystems Cache
7 3 (4.92%) NoSQL
8 2 (3.28%) RDBMS
8 2 (3.28%) Relational Database
9 1 (1.64%) SQL Server
Development Applications
1 44 (72.13%) Git (software)
2 25 (40.98%) Jenkins
3 10 (16.39%) Atlassian Bamboo
4 9 (14.75%) Subversion
5 4 (6.56%) JIRA
6 2 (3.28%) Babel
6 2 (3.28%) Broccoli
6 2 (3.28%) Grunt
6 2 (3.28%) gulp
6 2 (3.28%) PHPUnit
6 2 (3.28%) Vagrant
7 1 (1.64%) JMeter
7 1 (1.64%) Selenium
7 1 (1.64%) Sonatype Nexus
7 1 (1.64%) Xdebug
General
1 1 (1.64%) Law
Job Titles
1 23 (37.70%) DevOps Engineer
2 18 (29.51%) Developer
3 8 (13.11%) Administrator
3 8 (13.11%) Senior Developer
3 8 (13.11%) Systems Administrator
4 7 (11.48%) Linux Administrator
4 7 (11.48%) Linux Systems Administrator
4 7 (11.48%) Perl Developer
4 7 (11.48%) Senior Perl Developer
5 6 (9.84%) Linux Engineer
5 6 (9.84%) Support Engineer
6 4 (6.56%) Applications Engineer
6 4 (6.56%) Applications Support
6 4 (6.56%) Applications Support Engineer
6 4 (6.56%) Drupal Developer
6 4 (6.56%) Linux DevOps Engineer
6 4 (6.56%) Linux/Unix DevOps
6 4 (6.56%) Magento Developer
7 3 (4.92%) AWS DevOps Engineer
7 3 (4.92%) AWS Engineer
Libraries, Frameworks & Software Standards
1 23 (37.70%) LEMP Stack
2 22 (36.07%) LAMP
3 15 (24.59%) LAPP Stack
4 11 (18.03%) Elastic Stack
5 10 (16.39%) CSS
5 10 (16.39%) HTML
5 10 (16.39%) Node.js
5 10 (16.39%) Sensu
6 7 (11.48%) DBIx::Class
6 7 (11.48%) FastCGI
6 7 (11.48%) Gearman
6 7 (11.48%) Lucene
6 7 (11.48%) Moose
6 7 (11.48%) Plack
6 7 (11.48%) Regular Expression
7 6 (9.84%) Sass
8 4 (6.56%) jQuery
9 3 (4.92%) Ember.js
9 3 (4.92%) Ext JS
9 3 (4.92%) LDAP
Miscellaneous
1 10 (16.39%) Private Cloud
2 9 (14.75%) Data Centre
2 9 (14.75%) User Experience
3 7 (11.48%) Algorithms
4 4 (6.56%) Computer Science
4 4 (6.56%) Enterprise Software
5 3 (4.92%) Mobile App
6 2 (3.28%) Analytical Skills
6 2 (3.28%) Enterprise Cloud
7 1 (1.64%) Clustering
7 1 (1.64%) Internet of Things
Operating Systems
1 52 (85.25%) Linux
2 26 (42.62%) Unix
3 17 (27.87%) Windows
4 5 (8.20%) CentOS
5 3 (4.92%) FreeBSD
6 2 (3.28%) Debian
7 1 (1.64%) Ubuntu
7 1 (1.64%) Windows Server
7 1 (1.64%) Windows Server 2008
7 1 (1.64%) Windows Server 2012
Processes & Methodologies
1 34 (55.74%) DevOps
2 27 (44.26%) Configuration Management
3 21 (34.43%) Agile Software Development
4 19 (31.15%) Continuous Integration
5 16 (26.23%) Open Source
6 15 (24.59%) E-Commerce
7 12 (19.67%) Test Automation
8 9 (14.75%) OO
9 8 (13.11%) Data Science
9 8 (13.11%) Load Balancing
9 8 (13.11%) Mentoring
10 7 (11.48%) Collaborative Working
10 7 (11.48%) Functional Testing
10 7 (11.48%) High Availability
10 7 (11.48%) Machine Learning
10 7 (11.48%) Neural Network
10 7 (11.48%) SEO
10 7 (11.48%) Software Engineering
10 7 (11.48%) Statistics
10 7 (11.48%) Vertical Search
Programming Languages
1 40 (65.57%) Python
2 28 (45.90%) Ruby
3 26 (42.62%) Bash Shell
4 19 (31.15%) PHP
4 19 (31.15%) SQL
5 14 (22.95%) Perl
6 11 (18.03%) JavaScript
7 8 (13.11%) Java
8 6 (9.84%) C++
8 6 (9.84%) Groovy
9 3 (4.92%) Shell Script
10 2 (3.28%) Go
10 2 (3.28%) TypeScript
11 1 (1.64%) PHP 5
Qualifications
1 4 (6.56%) Degree
2 1 (1.64%) Computer Science Degree
Quality Assurance & Compliance
1 9 (14.75%) GCP
2 2 (3.28%) PCI DSS
2 2 (3.28%) QA
3 1 (1.64%) SLA
System Software
1 26 (42.62%) Docker
2 5 (8.20%) GlusterFS
3 4 (6.56%) Squid
4 3 (4.92%) iptables
4 3 (4.92%) Postfix
5 2 (3.28%) Hyper-V
5 2 (3.28%) VMware Infrastructure
Systems Management
1 35 (57.38%) Opscode Chef
2 32 (52.46%) HAProxy
3 26 (42.62%) Puppet
4 17 (27.87%) Ansible
4 17 (27.87%) Graphite
5 13 (21.31%) Kubernetes
6 12 (19.67%) Graylog
6 12 (19.67%) ZABBIX
7 11 (18.03%) logstash
8 10 (16.39%) Terraform
9 9 (14.75%) Nagios
10 6 (9.84%) Grafana
11 3 (4.92%) Cacti
12 1 (1.64%) Kibana
12 1 (1.64%) StatsD
Vendors
1 10 (16.39%) New Relic
1 10 (16.39%) SaltStack
2 6 (9.84%) Capita
3 5 (8.20%) Rackspace
4 2 (3.28%) Cisco
4 2 (3.28%) Citrix
4 2 (3.28%) F5
4 2 (3.28%) Google
4 2 (3.28%) Red Hat
4 2 (3.28%) VMware
4 2 (3.28%) Zend