The following table provides summary statistics for contract job vacancies advertised in Leeds with a requirement for Opscode Chef skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Opscode Chef over the 3 months to 26 June 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.

Opscode Chef
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 73 60 54
Rank change year-on-year -13 -6  
Contract jobs citing Opscode Chef 12 51 52
As % of all contract IT jobs advertised in Leeds 1.10% 3.46% 3.38%
As % of the Systems Management category 12.37% 25.25% 40.63%
Number of daily rates quoted 7 32 30
Median daily rate £425 £538 £375
Median daily rate % change year-on-year -20.93% +43.33%  
90% offered a daily rate of more than £406 £376 £299
10% offered a daily rate of more than £510 £565 £425
UK excluding London median daily rate £500 £450 £415
% change year-on-year +11.11% +8.43%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £47.50

Opscode Chef is in the systems management skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Leeds with a requirement for systems management skills.

Systems Management Skills
Leeds
Contract job vacancies with a requirement for systems management skills 97 202 128
As % of all contract IT job vacancies advertised in Leeds 8.87% 13.70% 8.31%
Number of daily rates quoted 59 134 63
Median daily rate £425 £438 £375
Median daily rate % change year-on-year -2.85% +16.66%  
90% offered a daily rate of more than £288 £324 £300
10% offered a daily rate of more than £550 £566 £425
UK excluding London median daily rate £447 £400 £380
% change year-on-year +11.62% +5.40%  
Number of hourly rates quoted 1 0 2
Median hourly rate £28.27 - £17.50
UK excluding London median hourly rate £17.50 £34.85 £20.19
% change year-on-year -49.78% +72.65%  

Opscode Chef
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds citing Opscode Chef as a proportion of all contract or permanent IT jobs with a match in the Systems Management category.

Job vacancy trend for Opscode Chef in Leeds

Opscode Chef
Contractor Daily Rate Trend in Leeds

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Opscode Chef in Leeds.

Contractor daily rate trend for Opscode Chef in Leeds

Opscode Chef
Contractor Daily Rate Histogram in Leeds

The daily rate distribution of IT jobs citing Opscode Chef in Leeds over the 3 months to 26 June 2017.

Contractor daily rate histogram for Opscode Chef in Leeds

For the 6 months to 26 June 2017, IT contractor jobs citing Opscode Chef 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 Leeds region with a requirement for Opscode Chef.

1 47 (95.92%) Puppet
2 40 (81.63%) DevOps
3 36 (73.47%) Linux
4 32 (65.31%) Python
4 32 (65.31%) Ansible
5 27 (55.10%) Jenkins
6 26 (53.06%) Java
6 26 (53.06%) Agile Software Development
7 24 (48.98%) Docker
8 23 (46.94%) Ruby
9 22 (44.90%) Configuration Management
10 19 (38.78%) Amazon AWS
11 18 (36.73%) Bash Shell
12 17 (34.69%) Git (software)
13 16 (32.65%) Open Source
13 16 (32.65%) Continuous Integration
13 16 (32.65%) MongoDB
14 15 (30.61%) Salt
15 13 (26.53%) MySQL
16 12 (24.49%) Spring
16 12 (24.49%) Maven
17 11 (22.45%) Test Automation
18 10 (20.41%) Apache Cassandra
18 10 (20.41%) HTML5
18 10 (20.41%) Splunk
18 10 (20.41%) PostgreSQL
18 10 (20.41%) HTML
18 10 (20.41%) HTTP
18 10 (20.41%) Go
19 9 (18.37%) SaltStack

Opscode Chef
Co-occurring IT Skills in Leeds 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 6 (12.24%) Confluence
2 4 (8.16%) Apache
3 3 (6.12%) Apache Spark
3 3 (6.12%) OpenStack
4 2 (4.08%) Apache Pig
4 2 (4.08%) nginx
5 1 (2.04%) Cloud Foundry
5 1 (2.04%) Elasticsearch
5 1 (2.04%) SharePoint
Cloud Services
1 19 (38.78%) Amazon AWS
2 6 (12.24%) Google Cloud Platform
2 6 (12.24%) IaaS
3 4 (8.16%) Loggly
3 4 (8.16%) Sumo Logic
4 3 (6.12%) AWS CloudFormation
5 2 (4.08%) Slack
6 1 (2.04%) Amazon ELB
6 1 (2.04%) Amazon S3
6 1 (2.04%) Amazon SQS
6 1 (2.04%) AWS Lambda
6 1 (2.04%) Azure Active Directory
6 1 (2.04%) Microsoft Azure
6 1 (2.04%) Office 365
6 1 (2.04%) PaaS
6 1 (2.04%) Virtual Private Cloud
Communications & Networking
1 10 (20.41%) HTTP
2 7 (14.29%) TCP/IP
3 3 (6.12%) Firewall
4 2 (4.08%) Internet
4 2 (4.08%) Kerberos
5 1 (2.04%) DNS
5 1 (2.04%) OpenFlow
5 1 (2.04%) SMS
Database & Business Intelligence
1 16 (32.65%) MongoDB
2 13 (26.53%) MySQL
3 10 (20.41%) Apache Cassandra
3 10 (20.41%) PostgreSQL
4 6 (12.24%) Redis
5 4 (8.16%) NoSQL
5 4 (8.16%) Relational Database
5 4 (8.16%) Riak
6 3 (6.12%) Hadoop
6 3 (6.12%) HBase
7 2 (4.08%) Apache Hive
7 2 (4.08%) Big Data
8 1 (2.04%) Azure SQL Database
Development Applications
1 27 (55.10%) Jenkins
2 17 (34.69%) Git (software)
3 12 (24.49%) Maven
4 8 (16.33%) JIRA
5 6 (12.24%) Grunt
6 5 (10.20%) Vagrant
7 4 (8.16%) Cucumber
7 4 (8.16%) Selenium
8 2 (4.08%) SonarQube
9 1 (2.04%) Ant
9 1 (2.04%) GitLab
9 1 (2.04%) Hudson
9 1 (2.04%) Subversion
General
1 1 (2.04%) Banking
1 1 (2.04%) Retail
Job Titles
1 29 (59.18%) DevOps Engineer
2 9 (18.37%) Developer
3 7 (14.29%) WebOps Engineer
4 6 (12.24%) Platform Engineer
5 5 (10.20%) Java Developer
6 4 (8.16%) Java Engineer
6 4 (8.16%) Senior DevOps
6 4 (8.16%) Senior DevOps Engineer
7 3 (6.12%) Architect
7 3 (6.12%) AWS DevOps
7 3 (6.12%) Cloud Engineer
7 3 (6.12%) Technical Architect
8 2 (4.08%) AWS DevOps Engineer
8 2 (4.08%) AWS Engineer
8 2 (4.08%) Hadoop Engineer
8 2 (4.08%) Linux DevOps Engineer
8 2 (4.08%) Linux Engineer
8 2 (4.08%) Linux/Unix DevOps
8 2 (4.08%) PHP Developer
8 2 (4.08%) Ruby Engineer
Libraries, Frameworks & Software Standards
1 12 (24.49%) Spring
2 10 (20.41%) HTML
2 10 (20.41%) HTML5
3 9 (18.37%) Web Services
4 7 (14.29%) AngularJS
4 7 (14.29%) Apache Camel
4 7 (14.29%) Node.js
4 7 (14.29%) RabbitMQ
5 6 (12.24%) CSS
5 6 (12.24%) CSS3
5 6 (12.24%) jQuery
5 6 (12.24%) Spring Boot
6 4 (8.16%) Django
6 4 (8.16%) Elastic Stack
6 4 (8.16%) Hibernate
6 4 (8.16%) JSON
6 4 (8.16%) LAMP
6 4 (8.16%) Play Framework
6 4 (8.16%) RESTful
7 3 (6.12%) Kafka
Miscellaneous
1 5 (10.20%) Greenfield Project
2 4 (8.16%) Driving Licence
3 2 (4.08%) Clustering
3 2 (4.08%) Computer Science
3 2 (4.08%) Management Information System
3 2 (4.08%) Private Cloud
4 1 (2.04%) Enterprise Software
4 1 (2.04%) Replication
4 1 (2.04%) VxBlock/Vblock
Operating Systems
1 36 (73.47%) Linux
2 4 (8.16%) Android
2 4 (8.16%) Red Hat Enterprise Linux
3 3 (6.12%) Unix
4 1 (2.04%) CentOS
4 1 (2.04%) CoreOS
4 1 (2.04%) VMS
Processes & Methodologies
1 40 (81.63%) DevOps
2 26 (53.06%) Agile Software Development
3 22 (44.90%) Configuration Management
4 16 (32.65%) Continuous Integration
4 16 (32.65%) Open Source
5 11 (22.45%) Test Automation
6 9 (18.37%) High Availability
6 9 (18.37%) TDD
7 7 (14.29%) Web Operations
8 6 (12.24%) Scrum
9 5 (10.20%) Kanban
10 4 (8.16%) Android Development
10 4 (8.16%) Microservices
10 4 (8.16%) Software Engineering
11 3 (6.12%) BDD
11 3 (6.12%) Load Balancing
11 3 (6.12%) Mentoring
12 2 (4.08%) MapReduce
12 2 (4.08%) Static Code Analysis
12 2 (4.08%) Web Development
Programming Languages
1 32 (65.31%) Python
2 26 (53.06%) Java
3 23 (46.94%) Ruby
4 18 (36.73%) Bash Shell
5 10 (20.41%) Go
6 9 (18.37%) JavaScript
7 8 (16.33%) PHP
8 7 (14.29%) Scala
8 7 (14.29%) Shell Script
9 6 (12.24%) SQL
10 4 (8.16%) C#
11 3 (6.12%) C++
12 2 (4.08%) PowerShell
13 1 (2.04%) Groovy
13 1 (2.04%) Korn
13 1 (2.04%) Perl
13 1 (2.04%) PL/SQL
Qualifications
1 2 (4.08%) Computer Science Degree
1 2 (4.08%) Degree
2 1 (2.04%) AWS Certification
Quality Assurance & Compliance
1 3 (6.12%) QA
System Software
1 24 (48.98%) Docker
2 3 (6.12%) Active Directory
2 3 (6.12%) HDFS
3 2 (4.08%) VMware Infrastructure
4 1 (2.04%) VirtualBox
4 1 (2.04%) VMware ESXi
4 1 (2.04%) vSphere
Systems Management
1 47 (95.92%) Puppet
2 32 (65.31%) Ansible
3 15 (30.61%) Salt
4 6 (12.24%) Cobbler
4 6 (12.24%) Nagios
5 5 (10.20%) Kubernetes
6 4 (8.16%) ZABBIX
7 3 (6.12%) Prometheus
8 2 (4.08%) Hadoop YARN
8 2 (4.08%) Rancher
8 2 (4.08%) vRealize
9 1 (2.04%) Graphite
9 1 (2.04%) Mesos
9 1 (2.04%) Opsview
9 1 (2.04%) SCCM
9 1 (2.04%) SCOM
9 1 (2.04%) Terraform
Vendors
1 10 (20.41%) Splunk
2 9 (18.37%) SaltStack
3 7 (14.29%) Rackspace
4 6 (12.24%) Google
4 6 (12.24%) Red Hat
5 5 (10.20%) Oracle
6 4 (8.16%) New Relic
6 4 (8.16%) VMware
7 2 (4.08%) Hortonworks
8 1 (2.04%) Microsoft