Period
to 20 October 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 20 October 2017 with a comparison to the same period in the previous 2 years.

Varnish
UK
6 months to
20 Oct 2017
Same period 2016 Same period 2015
Rank 1088 1016 938
Rank change year-on-year -72 -78 +100
Permanent jobs citing Varnish 104 212 385
As % of all permanent IT jobs advertised in the UK 0.060% 0.11% 0.18%
As % of the System Software category 0.46% 0.89% 1.54%
Number of salaries quoted 89 197 280
UK median annual salary £60,000 £52,500 £50,000
Median salary % change year-on-year +14.29% +5.00% +5.26%
10th Percentile £31,250 £33,750 £33,750
90th Percentile £75,000 £67,500 £62,500
UK excluding London median annual salary £32,500 £47,500 £41,500
% change year-on-year -31.58% +14.46% +11.98%

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 22782 23736 25029
As % of all permanent IT jobs advertised in the UK 13.08% 12.43% 11.41%
Number of salaries quoted 19180 19970 20854
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +0.05%
10th Percentile £23,750 £23,500 £22,750
90th Percentile £75,000 £71,250 £66,250
UK excluding London median annual salary £39,000 £37,500 £37,500
% change year-on-year +4.00% - +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 October 2017.

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 October 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 -43 103 £60,000 +9.09% 3
London -15 82 £62,500 +8.70% 2
UK excluding London -8 22 £32,500 -31.58% 3
North of England -6 19 £32,500 -9.72%
Yorkshire +39 12 £29,000 -40.51%
North West -30 7 £45,000 +25.00%
South East +8 1 £50,000 +5.26% 1
Scotland -10 1 £38,500 -23.00%
East of England - 1 £52,500 -

For the 6 months to 20 October 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 (71.15%) Linux
2 72 (69.23%) nginx
3 67 (64.42%) MySQL
4 66 (63.46%) Python
5 63 (60.58%) Apache
6 62 (59.62%) Amazon AWS
7 60 (57.69%) DevOps
8 54 (51.92%) Docker
9 50 (48.08%) Puppet
10 48 (46.15%) Git (software)
11 47 (45.19%) Opscode Chef
11 47 (45.19%) Ruby
12 45 (43.27%) Jenkins
13 42 (40.38%) Redis
14 41 (39.42%) LEMP Stack
15 39 (37.50%) HAProxy
15 39 (37.50%) Agile Software Development
15 39 (37.50%) PHP
16 35 (33.65%) LAMP
17 34 (32.69%) Bash Shell
18 33 (31.73%) Firewall
19 32 (30.77%) Ansible
20 30 (28.85%) Node.js
21 28 (26.92%) Elasticsearch
22 26 (25.00%) HTML
22 26 (25.00%) CSS
22 26 (25.00%) E-Commerce
23 25 (24.04%) Unix
23 25 (24.04%) Configuration Management
23 25 (24.04%) Memcached

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 72 (69.23%) nginx
2 63 (60.58%) Apache
3 28 (26.92%) Elasticsearch
4 19 (18.27%) OpenStack
5 16 (15.38%) Apache Solr
5 16 (15.38%) IIS
6 14 (13.46%) Cloud Foundry
6 14 (13.46%) CloudStack
6 14 (13.46%) Drupal
7 6 (5.77%) Tomcat
8 2 (1.92%) CMS
8 2 (1.92%) ColdFusion
9 1 (0.96%) lighttpd
9 1 (0.96%) MS Exchange
9 1 (0.96%) SAS
Business Applications
1 7 (6.73%) Magento
Cloud Services
1 62 (59.62%) Amazon AWS
2 21 (20.19%) Google Cloud Platform
3 14 (13.46%) Microsoft Azure
4 10 (9.62%) Amazon EC2
5 9 (8.65%) Virtual Private Cloud
6 8 (7.69%) AWS CloudFormation
6 8 (7.69%) Rackspace Cloud
7 6 (5.77%) Amazon S3
8 4 (3.85%) AWS Lambda
8 4 (3.85%) Serverless
9 3 (2.88%) Akamai
9 3 (2.88%) Amazon CloudWatch
9 3 (2.88%) Fastly
10 2 (1.92%) GitHub
11 1 (0.96%) Amazon ELB
11 1 (0.96%) Cloud Computing
11 1 (0.96%) Google App Engine
11 1 (0.96%) IaaS
Communications & Networking
1 33 (31.73%) Firewall
2 12 (11.54%) TCP/IP
2 12 (11.54%) VLAN
2 12 (11.54%) VPN
3 5 (4.81%) SSH
3 5 (4.81%) tcpdump
4 3 (2.88%) HTTP
4 3 (2.88%) SSL
5 2 (1.92%) DHCP
5 2 (1.92%) IMAP
6 1 (0.96%) Fibre Channel
6 1 (0.96%) Internet
6 1 (0.96%) IP Telephony
6 1 (0.96%) iSCSI
6 1 (0.96%) LAN
6 1 (0.96%) LDAP
6 1 (0.96%) OpenVPN
Database & Business Intelligence
1 67 (64.42%) MySQL
2 42 (40.38%) Redis
3 19 (18.27%) MongoDB
4 17 (16.35%) PostgreSQL
5 16 (15.38%) Apache Cassandra
6 14 (13.46%) Hadoop
6 14 (13.46%) MariaDB
7 10 (9.62%) Big Data
8 8 (7.69%) InterSystems Cache
8 8 (7.69%) NoSQL
9 5 (4.81%) Amazon RDS
10 3 (2.88%) RDBMS
10 3 (2.88%) Relational Database
11 2 (1.92%) SQL Server
12 1 (0.96%) CouchDB
Development Applications
1 48 (46.15%) Git (software)
2 45 (43.27%) Jenkins
3 18 (17.31%) Atlassian Bamboo
4 6 (5.77%) JIRA
5 5 (4.81%) Vagrant
6 3 (2.88%) CircleCI
6 3 (2.88%) PHPUnit
7 2 (1.92%) Babel
7 2 (1.92%) Broccoli
7 2 (1.92%) Grunt
7 2 (1.92%) gulp
7 2 (1.92%) Subversion
8 1 (0.96%) Sonatype Nexus
General
1 13 (12.50%) Legal
2 4 (3.85%) Games
2 4 (3.85%) Publishing
3 3 (2.88%) Marketing
4 1 (0.96%) Digital Economy
4 1 (0.96%) Finance
4 1 (0.96%) Retail
Job Titles
1 36 (34.62%) Developer
2 30 (28.85%) DevOps Engineer
3 17 (16.35%) Administrator
3 17 (16.35%) Systems Administrator
4 12 (11.54%) Linux Administrator
4 12 (11.54%) Linux Systems Administrator
5 11 (10.58%) Linux Engineer
6 10 (9.62%) Front End Developer (Client-Side Developer)
6 10 (9.62%) PHP Developer
7 9 (8.65%) Senior Developer
7 9 (8.65%) Web Developer
8 8 (7.69%) AWS Engineer
8 8 (7.69%) Drupal Developer
8 8 (7.69%) PHP Drupal Developer
9 7 (6.73%) Front End Web Developer (Client-Side Developer)
9 7 (6.73%) Full Stack Developer
9 7 (6.73%) Perl Developer
9 7 (6.73%) Senior Perl Developer
10 6 (5.77%) Cloud Engineer
10 6 (5.77%) Systems Engineer
Libraries, Frameworks & Software Standards
1 41 (39.42%) LEMP Stack
2 35 (33.65%) LAMP
3 30 (28.85%) Node.js
4 26 (25.00%) CSS
4 26 (25.00%) HTML
5 25 (24.04%) Memcached
6 18 (17.31%) jQuery
7 17 (16.35%) Symfony
8 15 (14.42%) LAPP Stack
9 14 (13.46%) Elastic Stack
10 13 (12.50%) Sass
11 11 (10.58%) React
11 11 (10.58%) Web Services
12 9 (8.65%) CSS3
12 9 (8.65%) HTML5
12 9 (8.65%) RabbitMQ
12 9 (8.65%) Regular Expression
13 8 (7.69%) Drush
13 8 (7.69%) FastCGI
13 8 (7.69%) LESS
Miscellaneous
1 14 (13.46%) Private Cloud
2 13 (12.50%) Algorithms
2 13 (12.50%) User Experience
3 8 (7.69%) Computer Science
3 8 (7.69%) Data Centre
4 6 (5.77%) Data Structures
5 4 (3.85%) Foreign Exchange (FX)
6 3 (2.88%) Analytical Skills
7 2 (1.92%) Client/Server
7 2 (1.92%) Greenfield Project
7 2 (1.92%) iPad
8 1 (0.96%) Internet of Things
8 1 (0.96%) Linux Command Line
Operating Systems
1 74 (71.15%) Linux
2 25 (24.04%) Unix
3 16 (15.38%) Windows
4 15 (14.42%) CentOS
5 9 (8.65%) Ubuntu
6 8 (7.69%) Debian
7 5 (4.81%) Red Hat Enterprise Linux
8 2 (1.92%) Windows Server
8 2 (1.92%) Windows Server 2008
8 2 (1.92%) Windows Server 2012
9 1 (0.96%) FreeBSD
Processes & Methodologies
1 60 (57.69%) DevOps
2 39 (37.50%) Agile Software Development
3 26 (25.00%) E-Commerce
4 25 (24.04%) Configuration Management
5 20 (19.23%) Test Automation
6 19 (18.27%) Open Source
7 18 (17.31%) Continuous Integration
8 17 (16.35%) High Availability
9 13 (12.50%) Business Intelligence
9 13 (12.50%) Load Balancing
10 12 (11.54%) Machine Learning
11 9 (8.65%) OO
11 9 (8.65%) Web Development
12 8 (7.69%) Infrastructure Monitoring
12 8 (7.69%) Load Testing
12 8 (7.69%) TDD
13 7 (6.73%) Cross-Browser Compatibility
13 7 (6.73%) Neural Network
13 7 (6.73%) Performance Analysis
13 7 (6.73%) Vertical Search
Programming Languages
1 66 (63.46%) Python
2 47 (45.19%) Ruby
3 39 (37.50%) PHP
4 34 (32.69%) Bash Shell
5 21 (20.19%) JavaScript
6 19 (18.27%) SQL
7 15 (14.42%) Java
7 15 (14.42%) Perl
8 11 (10.58%) Go
9 7 (6.73%) C++
10 5 (4.81%) Shell Script
11 2 (1.92%) TypeScript
12 1 (0.96%) C
Qualifications
1 5 (4.81%) Degree
2 4 (3.85%) Computer Science Degree
3 1 (0.96%) CCNA
3 1 (0.96%) Cisco Certification
3 1 (0.96%) MCSE
3 1 (0.96%) Microsoft Certification
3 1 (0.96%) RHCE
3 1 (0.96%) RHCSA
3 1 (0.96%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 12 (11.54%) GCP
2 7 (6.73%) QA
3 3 (2.88%) PCI DSS
4 2 (1.92%) SLA
System Software
1 54 (51.92%) Docker
2 10 (9.62%) iptables
3 8 (7.69%) GlusterFS
4 4 (3.85%) Apache ZooKeeper
4 4 (3.85%) etcd
5 3 (2.88%) Hyper-V
5 3 (2.88%) KVM
6 2 (1.92%) BIND 9
6 2 (1.92%) NFS
6 2 (1.92%) Samba
6 2 (1.92%) Sendmail
6 2 (1.92%) vSphere
7 1 (0.96%) Active Directory
7 1 (0.96%) Postfix
Systems Management
1 50 (48.08%) Puppet
2 47 (45.19%) Opscode Chef
3 39 (37.50%) HAProxy
4 32 (30.77%) Ansible
5 23 (22.12%) Kubernetes
6 20 (19.23%) Terraform
7 10 (9.62%) Graphite
8 8 (7.69%) logstash
8 8 (7.69%) ZABBIX
9 7 (6.73%) Graylog
10 5 (4.81%) Consul
10 5 (4.81%) Nmap
11 3 (2.88%) Grafana
12 1 (0.96%) Cacti
12 1 (0.96%) cPanel
12 1 (0.96%) Kibana
12 1 (0.96%) Mesos
12 1 (0.96%) Nagios
12 1 (0.96%) Plesk
Vendors
1 16 (15.38%) Rackspace
2 14 (13.46%) SaltStack
3 13 (12.50%) New Relic
4 10 (9.62%) Google
4 10 (9.62%) Red Hat
5 3 (2.88%) Zend
6 2 (1.92%) Palo Alto
6 2 (1.92%) VMware
7 1 (0.96%) Avaya
7 1 (0.96%) Citrix
7 1 (0.96%) DataCore
7 1 (0.96%) Dell
7 1 (0.96%) Dell Compellent
7 1 (0.96%) EqualLogic
7 1 (0.96%) NetApp