Period
to 22 November 2017

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 22 November 2017 with a comparison to the same period in the previous 2 years.

Varnish
UK
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 1092 1000 946
Rank change year-on-year -92 -54 +81
Permanent jobs citing Varnish 90 226 366
As % of all permanent IT jobs advertised in the UK 0.050% 0.12% 0.17%
As % of the System Software category 0.39% 0.96% 1.50%
Number of salaries quoted 84 211 277
UK median annual salary £60,000 £55,000 £50,000
Median salary % change year-on-year +9.09% +10.00% +5.26%
10th Percentile £32,500 £33,750 £33,750
90th Percentile £76,750 £70,000 £65,000
UK excluding London median annual salary £35,000 £50,000 £41,500
% change year-on-year -30.00% +20.48% +18.57%

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 23324 23525 24433
As % of all permanent IT jobs advertised in the UK 12.91% 12.37% 11.32%
Number of salaries quoted 19513 19759 20382
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +1.53%
10th Percentile £23,750 £23,500 £22,500
90th Percentile £75,000 £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 22 November 2017.

Salary histogram for Varnish in the UK

Varnish
Top 8 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 22 November 2017. 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 -101 89 £60,000 +9.09% 5
London -76 70 £62,500 +8.70% 3
UK excluding London -15 20 £35,000 -30.00% 3
North of England -15 16 £32,500 -9.72% 1
Yorkshire +25 9 £32,500 -33.33%
North West -33 7 £37,500 +4.17% 1
South East +8 3 £50,000 -6.98% 1
Wales +13 1 £35,000 -4.11% 1

For the 6 months to 22 November 2017, IT jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Varnish.

1 74 (82.22%) nginx
2 72 (80.00%) Linux
3 62 (68.89%) Apache
4 61 (67.78%) Python
5 57 (63.33%) DevOps
6 54 (60.00%) Amazon AWS
7 52 (57.78%) MySQL
8 51 (56.67%) Git (software)
8 51 (56.67%) Docker
9 46 (51.11%) Opscode Chef
10 43 (47.78%) HAProxy
10 43 (47.78%) Jenkins
10 43 (47.78%) Puppet
10 43 (47.78%) Ruby
11 37 (41.11%) Redis
12 36 (40.00%) LEMP Stack
13 35 (38.89%) Bash Shell
14 32 (35.56%) Ansible
15 31 (34.44%) Unix
16 30 (33.33%) Configuration Management
16 30 (33.33%) Firewall
16 30 (33.33%) LAMP
16 30 (33.33%) Agile Software Development
17 28 (31.11%) Elasticsearch
18 26 (28.89%) Kubernetes
19 24 (26.67%) E-Commerce
20 23 (25.56%) PHP
20 23 (25.56%) MongoDB
21 22 (24.44%) Google Cloud Platform
21 22 (24.44%) PostgreSQL

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 74 (82.22%) nginx
2 62 (68.89%) Apache
3 28 (31.11%) Elasticsearch
4 20 (22.22%) IIS
5 19 (21.11%) OpenStack
6 18 (20.00%) Cloud Foundry
6 18 (20.00%) CloudStack
7 13 (14.44%) Apache Solr
8 8 (8.89%) Drupal
9 3 (3.33%) CMS
9 3 (3.33%) lighttpd
9 3 (3.33%) Traffic Server
10 2 (2.22%) ColdFusion
11 1 (1.11%) Confluence
11 1 (1.11%) MS Exchange
11 1 (1.11%) SAS
11 1 (1.11%) Tomcat
11 1 (1.11%) WordPress
Business Applications
1 6 (6.67%) Magento
Cloud Services
1 54 (60.00%) Amazon AWS
2 22 (24.44%) Google Cloud Platform
3 18 (20.00%) Microsoft Azure
4 6 (6.67%) Amazon EC2
4 6 (6.67%) Rackspace Cloud
5 5 (5.56%) Virtual Private Cloud
6 4 (4.44%) AWS CloudFormation
6 4 (4.44%) AWS Lambda
6 4 (4.44%) Serverless
7 3 (3.33%) Akamai
7 3 (3.33%) Amazon CloudWatch
7 3 (3.33%) Fastly
7 3 (3.33%) SaaS
8 2 (2.22%) Amazon S3
8 2 (2.22%) GitHub
9 1 (1.11%) Amazon ELB
9 1 (1.11%) Cloud Computing
9 1 (1.11%) Google App Engine
Communications & Networking
1 30 (33.33%) Firewall
2 15 (16.67%) TCP/IP
3 12 (13.33%) VLAN
4 11 (12.22%) VPN
5 5 (5.56%) HTTP
6 4 (4.44%) Internet
7 3 (3.33%) DNS
7 3 (3.33%) HTTPS
7 3 (3.33%) LDAP
7 3 (3.33%) SSL
8 2 (2.22%) DHCP
8 2 (2.22%) IMAP
9 1 (1.11%) Fibre Channel
9 1 (1.11%) IP Telephony
9 1 (1.11%) iSCSI
9 1 (1.11%) LAN
9 1 (1.11%) OpenVPN
9 1 (1.11%) SSH
9 1 (1.11%) tcpdump
Database & Business Intelligence
1 52 (57.78%) MySQL
2 37 (41.11%) Redis
3 23 (25.56%) MongoDB
4 22 (24.44%) PostgreSQL
5 19 (21.11%) Apache Cassandra
6 18 (20.00%) Hadoop
6 18 (20.00%) MariaDB
7 9 (10.00%) Big Data
8 7 (7.78%) NoSQL
9 6 (6.67%) InterSystems Cache
10 2 (2.22%) RDBMS
10 2 (2.22%) Relational Database
10 2 (2.22%) SQL Server
11 1 (1.11%) Amazon RDS
Development Applications
1 51 (56.67%) Git (software)
2 43 (47.78%) Jenkins
3 20 (22.22%) Atlassian Bamboo
4 3 (3.33%) CircleCI
4 3 (3.33%) JIRA
5 2 (2.22%) Babel
5 2 (2.22%) Broccoli
5 2 (2.22%) Grunt
5 2 (2.22%) gulp
5 2 (2.22%) PHPUnit
5 2 (2.22%) Subversion
5 2 (2.22%) Vagrant
6 1 (1.11%) JMeter
6 1 (1.11%) Selenium
6 1 (1.11%) Sonatype Nexus
6 1 (1.11%) Xdebug
General
1 7 (7.78%) Legal
2 3 (3.33%) Publishing
3 1 (1.11%) Finance
3 1 (1.11%) Law
3 1 (1.11%) Retail
Job Titles
1 31 (34.44%) DevOps Engineer
2 25 (27.78%) Developer
3 15 (16.67%) Administrator
3 15 (16.67%) Systems Administrator
4 12 (13.33%) Linux Administrator
4 12 (13.33%) Linux Systems Administrator
5 9 (10.00%) Linux Engineer
6 8 (8.89%) Senior Developer
7 7 (7.78%) Perl Developer
7 7 (7.78%) PHP Developer
7 7 (7.78%) Senior Perl Developer
8 6 (6.67%) AWS Engineer
8 6 (6.67%) Drupal Developer
8 6 (6.67%) Linux DevOps Engineer
8 6 (6.67%) Linux/Unix DevOps
9 5 (5.56%) AWS DevOps
9 5 (5.56%) AWS DevOps Engineer
9 5 (5.56%) DevOps Consultant
9 5 (5.56%) Front End Developer (Client-Side Developer)
9 5 (5.56%) PHP Drupal Developer
Libraries, Frameworks & Software Standards
1 36 (40.00%) LEMP Stack
2 30 (33.33%) LAMP
3 21 (23.33%) LAPP Stack
4 17 (18.89%) Node.js
5 16 (17.78%) CSS
5 16 (17.78%) HTML
6 15 (16.67%) Elastic Stack
7 13 (14.44%) Memcached
8 11 (12.22%) jQuery
8 11 (12.22%) Sass
8 11 (12.22%) Sensu
9 9 (10.00%) Regular Expression
9 9 (10.00%) Symfony
10 8 (8.89%) FastCGI
11 7 (7.78%) CSS3
11 7 (7.78%) DBIx::Class
11 7 (7.78%) Gearman
11 7 (7.78%) HTML5
11 7 (7.78%) Lucene
11 7 (7.78%) Moose
Miscellaneous
1 18 (20.00%) Private Cloud
2 11 (12.22%) Data Centre
2 11 (12.22%) User Experience
3 9 (10.00%) Algorithms
4 3 (3.33%) Analytical Skills
4 3 (3.33%) Enterprise Software
5 2 (2.22%) Client/Server
5 2 (2.22%) Computer Science
5 2 (2.22%) Data Structures
5 2 (2.22%) Greenfield Project
6 1 (1.11%) Foreign Exchange (FX)
6 1 (1.11%) Internet of Things
6 1 (1.11%) Linux Command Line
6 1 (1.11%) Video\Live Streaming
Operating Systems
1 72 (80.00%) Linux
2 31 (34.44%) Unix
3 20 (22.22%) Windows
4 11 (12.22%) CentOS
5 5 (5.56%) Ubuntu
6 4 (4.44%) Debian
7 3 (3.33%) FreeBSD
8 2 (2.22%) Windows Server
8 2 (2.22%) Windows Server 2008
8 2 (2.22%) Windows Server 2012
9 1 (1.11%) Red Hat Enterprise Linux
Processes & Methodologies
1 57 (63.33%) DevOps
2 30 (33.33%) Agile Software Development
2 30 (33.33%) Configuration Management
3 24 (26.67%) E-Commerce
4 20 (22.22%) Continuous Integration
5 19 (21.11%) Open Source
6 18 (20.00%) Test Automation
7 13 (14.44%) High Availability
8 11 (12.22%) Load Balancing
9 9 (10.00%) Collaborative Working
9 9 (10.00%) OO
10 8 (8.89%) Machine Learning
11 7 (7.78%) Business Intelligence
11 7 (7.78%) Functional Testing
11 7 (7.78%) Mentoring
11 7 (7.78%) Neural Network
11 7 (7.78%) SEO
11 7 (7.78%) Statistics
11 7 (7.78%) TDD
11 7 (7.78%) Vertical Search
Programming Languages
1 61 (67.78%) Python
2 43 (47.78%) Ruby
3 35 (38.89%) Bash Shell
4 23 (25.56%) PHP
5 16 (17.78%) SQL
6 15 (16.67%) JavaScript
6 15 (16.67%) Perl
7 8 (8.89%) Java
8 7 (7.78%) Go
9 4 (4.44%) Shell Script
10 2 (2.22%) C++
10 2 (2.22%) TypeScript
11 1 (1.11%) C
11 1 (1.11%) PHP 5
Qualifications
1 5 (5.56%) Degree
2 2 (2.22%) Computer Science Degree
3 1 (1.11%) CCNA
3 1 (1.11%) Cisco Certification
3 1 (1.11%) MCSE
3 1 (1.11%) Microsoft Certification
3 1 (1.11%) RHCE
3 1 (1.11%) RHCSA
3 1 (1.11%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 15 (16.67%) GCP
2 5 (5.56%) QA
3 2 (2.22%) PCI DSS
3 2 (2.22%) SLA
System Software
1 51 (56.67%) Docker
2 9 (10.00%) iptables
3 7 (7.78%) GlusterFS
4 3 (3.33%) Hyper-V
4 3 (3.33%) KVM
4 3 (3.33%) Postfix
4 3 (3.33%) Squid
5 2 (2.22%) BIND 9
5 2 (2.22%) NFS
5 2 (2.22%) Samba
5 2 (2.22%) Sendmail
5 2 (2.22%) vSphere
6 1 (1.11%) Active Directory
Systems Management
1 46 (51.11%) Opscode Chef
2 43 (47.78%) HAProxy
2 43 (47.78%) Puppet
3 32 (35.56%) Ansible
4 26 (28.89%) Kubernetes
5 17 (18.89%) Terraform
6 14 (15.56%) Graphite
7 12 (13.33%) logstash
7 12 (13.33%) ZABBIX
8 11 (12.22%) Graylog
9 3 (3.33%) Cacti
9 3 (3.33%) Grafana
9 3 (3.33%) Nagios
10 1 (1.11%) Consul
10 1 (1.11%) cPanel
10 1 (1.11%) Kibana
10 1 (1.11%) Mesos
10 1 (1.11%) Nmap
10 1 (1.11%) Plesk
Vendors
1 18 (20.00%) SaltStack
2 13 (14.44%) Rackspace
3 12 (13.33%) New Relic
4 8 (8.89%) Google
5 7 (7.78%) Red Hat
6 2 (2.22%) Palo Alto
6 2 (2.22%) Zend
7 1 (1.11%) Avaya
7 1 (1.11%) Citrix
7 1 (1.11%) DataCore
7 1 (1.11%) Dell
7 1 (1.11%) Dell Compellent
7 1 (1.11%) EqualLogic
7 1 (1.11%) NetApp
7 1 (1.11%) VMware