Period
to 19 August 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 19 August 2017 with a comparison to the same period in the previous 2 years.

Varnish
UK
6 months to
19 Aug 2017
Same period 2016 Same period 2015
Rank 1054 1044 940
Rank change year-on-year -10 -104 +67
Permanent jobs citing Varnish 129 220 360
As % of all permanent IT jobs advertised in the UK 0.073% 0.11% 0.17%
As % of the System Software category 0.57% 0.89% 1.42%
Number of salaries quoted 108 205 273
UK median annual salary £57,500 £55,000 £50,000
Median salary % change year-on-year +4.55% +10.00% -
10th Percentile £30,000 £35,200 £36,250
90th Percentile £74,125 £69,500 £63,500
UK excluding London median annual salary £39,250 £47,500 £42,500
% change year-on-year -17.37% +11.76% +6.25%

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

System Software Skills
UK
Permanent job vacancies with a requirement for system software skills 22538 24633 25407
As % of all permanent IT job vacancies advertised in the UK 12.74% 12.49% 11.69%
Number of salaries quoted 19021 20881 21022
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
10th Percentile £24,000 £23,000 £23,000
90th Percentile £75,000 £71,250 £65,000
UK excluding London median annual salary £38,000 £37,500 £37,500
% change year-on-year +1.33% - +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 19 August 2017.

Salary histogram for Varnish in the UK

Varnish
Top 11 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 19 August 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 +2 128 £60,000 +9.09% 6
London -26 98 £61,250 +2.08% 3
UK excluding London +40 31 £39,250 -17.37% 3
North of England -13 15 £29,000 -19.44% 1
South East +46 12 £60,000 +26.32%
Yorkshire +36 11 £29,000 -42.00%
North West -38 4 £28,000 -22.22% 1
Midlands +30 2 £35,000 +27.27% 1
East Midlands +17 2 £35,000 -26.32%
Scotland +7 1 £38,500 -23.00%
East of England -1 1 £52,500 +10.53%

For the 6 months to 19 August 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 88 (68.22%) MySQL
2 85 (65.89%) Apache
3 82 (63.57%) Linux
4 71 (55.04%) PHP
5 68 (52.71%) Python
6 67 (51.94%) nginx
7 65 (50.39%) Amazon AWS
8 60 (46.51%) Git (software)
8 60 (46.51%) Redis
9 57 (44.19%) Puppet
10 54 (41.86%) Docker
10 54 (41.86%) DevOps
11 47 (36.43%) Jenkins
11 47 (36.43%) LAMP
12 46 (35.66%) Memcached
13 45 (34.88%) Agile Software Development
13 45 (34.88%) Firewall
14 43 (33.33%) Ruby
15 40 (31.01%) CSS
15 40 (31.01%) HTML
15 40 (31.01%) Bash Shell
16 37 (28.68%) CentOS
16 37 (28.68%) Node.js
16 37 (28.68%) LEMP Stack
17 36 (27.91%) HAProxy
18 31 (24.03%) Opscode Chef
18 31 (24.03%) Elasticsearch
18 31 (24.03%) JavaScript
19 30 (23.26%) Symfony
20 29 (22.48%) Ansible

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 85 (65.89%) Apache
2 67 (51.94%) nginx
3 31 (24.03%) Elasticsearch
4 23 (17.83%) Apache Solr
4 23 (17.83%) IIS
4 23 (17.83%) OpenStack
5 22 (17.05%) Drupal
6 13 (10.08%) Cloud Foundry
6 13 (10.08%) CloudStack
7 10 (7.75%) Tomcat
8 6 (4.65%) CMS
9 3 (2.33%) ColdFusion
9 3 (2.33%) MS Exchange
10 2 (1.55%) SAS
Business Applications
1 4 (3.10%) Magento
Cloud Services
1 65 (50.39%) Amazon AWS
2 27 (20.93%) Google Cloud Platform
3 20 (15.50%) Amazon EC2
4 16 (12.40%) Amazon S3
5 13 (10.08%) Microsoft Azure
5 13 (10.08%) Virtual Private Cloud
6 10 (7.75%) AWS CloudFormation
7 9 (6.98%) Rackspace Cloud
8 7 (5.43%) Amazon ELB
8 7 (5.43%) Google App Engine
9 4 (3.10%) AWS Lambda
9 4 (3.10%) Cloud Computing
10 3 (2.33%) Akamai
10 3 (2.33%) Amazon CloudWatch
10 3 (2.33%) Fastly
11 2 (1.55%) GitHub
12 1 (0.78%) IaaS
Communications & Networking
1 45 (34.88%) Firewall
2 21 (16.28%) VPN
3 19 (14.73%) TCP/IP
4 15 (11.63%) VLAN
5 9 (6.98%) SSH
5 9 (6.98%) tcpdump
6 7 (5.43%) Cisco ASA
6 7 (5.43%) Cisco Nexus
6 7 (5.43%) Cisco PIX
6 7 (5.43%) OpenVPN
6 7 (5.43%) SAN
7 4 (3.10%) HTTP
8 3 (2.33%) DHCP
8 3 (2.33%) DNS
8 3 (2.33%) HTTPS
8 3 (2.33%) IMAP
8 3 (2.33%) SSL
9 2 (1.55%) Fibre Channel
9 2 (1.55%) IP Telephony
9 2 (1.55%) iSCSI
Database & Business Intelligence
1 88 (68.22%) MySQL
2 60 (46.51%) Redis
3 25 (19.38%) MongoDB
3 25 (19.38%) PostgreSQL
4 21 (16.28%) Apache Cassandra
5 14 (10.85%) Hadoop
5 14 (10.85%) SQL Server
6 13 (10.08%) MariaDB
7 12 (9.30%) Big Data
8 10 (7.75%) NoSQL
9 9 (6.98%) Amazon RDS
9 9 (6.98%) InterSystems Cache
10 1 (0.78%) CouchDB
10 1 (0.78%) RDBMS
10 1 (0.78%) Relational Database
Development Applications
1 60 (46.51%) Git (software)
2 47 (36.43%) Jenkins
3 17 (13.18%) Atlassian Bamboo
4 15 (11.63%) Subversion
5 7 (5.43%) Sonatype Nexus
6 6 (4.65%) JIRA
7 4 (3.10%) Vagrant
8 3 (2.33%) CircleCI
9 1 (0.78%) PHPUnit
General
1 13 (10.08%) Legal
1 13 (10.08%) Publishing
2 5 (3.88%) Games
3 3 (2.33%) Marketing
4 2 (1.55%) Retail
5 1 (0.78%) Digital Economy
5 1 (0.78%) Finance
Job Titles
1 45 (34.88%) Developer
2 25 (19.38%) DevOps Engineer
3 22 (17.05%) PHP Developer
4 20 (15.50%) Administrator
4 20 (15.50%) Systems Administrator
5 15 (11.63%) Systems Engineer
5 15 (11.63%) Web Developer
6 13 (10.08%) Linux Engineer
7 12 (9.30%) Cloud Engineer
7 12 (9.30%) Full Stack Developer
8 10 (7.75%) Drupal Developer
9 9 (6.98%) Linux Administrator
9 9 (6.98%) Linux Systems Administrator
9 9 (6.98%) PHP Drupal Developer
10 8 (6.20%) Infrastructure Engineer
11 7 (5.43%) Front End Developer (Client-Side Developer)
11 7 (5.43%) Front End Web Developer (Client-Side Developer)
11 7 (5.43%) Lead Developer
11 7 (5.43%) Python Developer
11 7 (5.43%) Senior Developer
Libraries, Frameworks & Software Standards
1 47 (36.43%) LAMP
2 46 (35.66%) Memcached
3 40 (31.01%) CSS
3 40 (31.01%) HTML
4 37 (28.68%) LEMP Stack
4 37 (28.68%) Node.js
5 30 (23.26%) Symfony
6 26 (20.16%) jQuery
7 22 (17.05%) Web Services
8 18 (13.95%) React
9 17 (13.18%) RabbitMQ
10 14 (10.85%) Drush
11 13 (10.08%) LAPP Stack
11 13 (10.08%) Laravel
11 13 (10.08%) REST
11 13 (10.08%) SOAP
12 12 (9.30%) Kafka
12 12 (9.30%) RESTful
12 12 (9.30%) Sass
13 11 (8.53%) LESS
Miscellaneous
1 17 (13.18%) Data Centre
2 16 (12.40%) Computer Science
3 13 (10.08%) Private Cloud
4 8 (6.20%) Foreign Exchange (FX)
5 7 (5.43%) Algorithms
5 7 (5.43%) Data Structures
5 7 (5.43%) Public Cloud
6 6 (4.65%) User Experience
7 4 (3.10%) Virtual Team
8 3 (2.33%) Analytical Skills
8 3 (2.33%) Client/Server
8 3 (2.33%) iPad
8 3 (2.33%) Mobile App
9 2 (1.55%) Greenfield Project
10 1 (0.78%) Linux Command Line
Operating Systems
1 82 (63.57%) Linux
2 37 (28.68%) CentOS
3 23 (17.83%) Windows
4 21 (16.28%) Debian
5 20 (15.50%) Ubuntu
6 16 (12.40%) Unix
7 10 (7.75%) Windows Server
7 10 (7.75%) Windows Server 2008
7 10 (7.75%) Windows Server 2012
8 9 (6.98%) Red Hat Enterprise Linux
Processes & Methodologies
1 54 (41.86%) DevOps
2 45 (34.88%) Agile Software Development
3 26 (20.16%) Configuration Management
4 25 (19.38%) E-Commerce
5 23 (17.83%) High Availability
6 18 (13.95%) Continuous Integration
6 18 (13.95%) Web Development
7 17 (13.18%) MVC
8 16 (12.40%) Open Source
9 14 (10.85%) Load Balancing
9 14 (10.85%) Software Engineering
9 14 (10.85%) Test Automation
10 13 (10.08%) Business Intelligence
11 11 (8.53%) SOA
12 10 (7.75%) Microservices
12 10 (7.75%) TDD
13 9 (6.98%) Load Testing
13 9 (6.98%) Performance Metrics
14 8 (6.20%) IT Strategy
15 7 (5.43%) Front End Development
Programming Languages
1 71 (55.04%) PHP
2 68 (52.71%) Python
3 43 (33.33%) Ruby
4 40 (31.01%) Bash Shell
5 31 (24.03%) JavaScript
6 21 (16.28%) Go
7 18 (13.95%) Java
8 16 (12.40%) Perl
9 12 (9.30%) SQL
10 8 (6.20%) C++
11 4 (3.10%) Shell Script
12 2 (1.55%) PHP 5
13 1 (0.78%) C
13 1 (0.78%) PowerShell
Qualifications
1 11 (8.53%) Computer Science Degree
1 11 (8.53%) Degree
2 4 (3.10%) RHCE
3 3 (2.33%) CCNA
3 3 (2.33%) Cisco Certification
3 3 (2.33%) MCSE
3 3 (2.33%) Microsoft Certification
3 3 (2.33%) RHCSA
3 3 (2.33%) VMware Certified Professional (VCP)
4 1 (0.78%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 11 (8.53%) GCP
2 7 (5.43%) QA
3 1 (0.78%) PCI DSS
3 1 (0.78%) SLA
System Software
1 54 (41.86%) Docker
2 18 (13.95%) Hyper-V
3 14 (10.85%) KVM
4 8 (6.20%) iptables
5 5 (3.88%) Apache ZooKeeper
5 5 (3.88%) etcd
5 5 (3.88%) GlusterFS
5 5 (3.88%) Xen
6 3 (2.33%) Active Directory
6 3 (2.33%) BIND 9
6 3 (2.33%) NFS
6 3 (2.33%) Samba
6 3 (2.33%) Sendmail
6 3 (2.33%) VMware Infrastructure
6 3 (2.33%) vSphere
Systems Management
1 57 (44.19%) Puppet
2 36 (27.91%) HAProxy
3 31 (24.03%) Opscode Chef
4 29 (22.48%) Ansible
5 19 (14.73%) Kubernetes
6 14 (10.85%) logstash
6 14 (10.85%) ZABBIX
7 12 (9.30%) Terraform
8 10 (7.75%) Graphite
9 9 (6.98%) Nmap
10 7 (5.43%) Kibana
11 6 (4.65%) Consul
11 6 (4.65%) Graylog
11 6 (4.65%) Nagios
12 4 (3.10%) Cobbler
13 3 (2.33%) cPanel
13 3 (2.33%) Grafana
13 3 (2.33%) Plesk
14 1 (0.78%) Failover Clustering
14 1 (0.78%) Mesos
Vendors
1 19 (14.73%) Red Hat
2 14 (10.85%) Rackspace
2 14 (10.85%) SaltStack
2 14 (10.85%) Zend
3 11 (8.53%) Google
4 10 (7.75%) New Relic
5 9 (6.98%) Dell
6 7 (5.43%) Cisco
6 7 (5.43%) HP
6 7 (5.43%) VMware
7 4 (3.10%) Juniper
8 3 (2.33%) Citrix
8 3 (2.33%) Dell Compellent
8 3 (2.33%) EqualLogic
8 3 (2.33%) Palo Alto
9 2 (1.55%) Avaya
9 2 (1.55%) DataCore
9 2 (1.55%) NetApp
10 1 (0.78%) Microsoft
10 1 (0.78%) Oracle