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 28 March 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
28 Mar 2017
Same period 2016 Same period 2015
Rank 52 64 39
Rank change year-on-year +12 -25  
Contract jobs citing Opscode Chef 36 34 52
As % of all contract IT jobs advertised in Leeds 3.55% 2.35% 4.41%
As % of the Systems Management category 36.73% 25.95% 46.43%
Number of daily rates quoted 26 25 38
Median daily rate £425 £475 £350
Median daily rate % change year-on-year -10.52% +35.71%  
90% offered a daily rate of more than £358 £370 £275
10% offered a daily rate of more than £556 £680 £425
UK excluding London median daily rate £450 £475 £425
% change year-on-year -5.26% +11.76%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 98 131 112
As % of all contract IT job vacancies advertised in Leeds 9.66% 9.07% 9.51%
Number of daily rates quoted 60 89 71
Median daily rate £425 £450 £363
Median daily rate % change year-on-year -5.55% +24.13%  
90% offered a daily rate of more than £350 £300 £281
10% offered a daily rate of more than £570 £550 £425
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 1 2
Median hourly rate - £12.00 £18.75
Median hourly rate % change year-on-year - -36.00%  
UK excluding London median hourly rate £19.00 £22.50 £20.50
% change year-on-year -15.55% +9.75%  

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 28 March 2017.

Contractor daily rate histogram for Opscode Chef in Leeds

Opscode Chef
Top 30 Co-occurring IT Skills in Leeds

For the 6 months to 28 March 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 66 (94.29%) Puppet
2 58 (82.86%) Linux
3 54 (77.14%) Python
4 46 (65.71%) DevOps
5 43 (61.43%) Java
6 42 (60.00%) Jenkins
7 39 (55.71%) Ansible
7 39 (55.71%) Ruby
8 33 (47.14%) Agile Software Development
9 29 (41.43%) MongoDB
10 28 (40.00%) Open Source
11 24 (34.29%) HTML5
11 24 (34.29%) HTML
12 23 (32.86%) Amazon AWS
12 23 (32.86%) Docker
13 22 (31.43%) Configuration Management
14 21 (30.00%) MySQL
15 20 (28.57%) Git (software)
15 20 (28.57%) Scala
15 20 (28.57%) Spring
15 20 (28.57%) Salt
16 19 (27.14%) JIRA
16 19 (27.14%) Bash Shell
17 18 (25.71%) Continuous Integration
17 18 (25.71%) PostgreSQL
18 17 (24.29%) Confluence
18 17 (24.29%) SaltStack
19 15 (21.43%) Maven
19 15 (21.43%) TDD
19 15 (21.43%) HTTP

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 17 (24.29%) Confluence
2 12 (17.14%) Apache Spark
3 10 (14.29%) OpenStack
4 8 (11.43%) Apache
5 7 (10.00%) Apache Pig
6 4 (5.71%) CloudStack
7 2 (2.86%) nginx
8 1 (1.43%) Elasticsearch
8 1 (1.43%) JBoss
8 1 (1.43%) SharePoint
8 1 (1.43%) WebLogic
8 1 (1.43%) WebSphere
Cloud Services
1 23 (32.86%) Amazon AWS
2 10 (14.29%) Google Cloud Platform
2 10 (14.29%) IaaS
3 8 (11.43%) Loggly
3 8 (11.43%) Sumo Logic
4 2 (2.86%) AWS CloudFormation
4 2 (2.86%) Office 365
4 2 (2.86%) Slack
5 1 (1.43%) Amazon ELB
5 1 (1.43%) Amazon S3
5 1 (1.43%) Amazon SQS
5 1 (1.43%) AWS Lambda
5 1 (1.43%) Azure Active Directory
5 1 (1.43%) Microsoft Azure
5 1 (1.43%) Virtual Private Cloud
Communications & Networking
1 15 (21.43%) HTTP
2 7 (10.00%) TCP/IP
3 5 (7.14%) DNS
3 5 (7.14%) Internet
3 5 (7.14%) Kerberos
4 3 (4.29%) Firewall
5 1 (1.43%) SMS
Database & Business Intelligence
1 29 (41.43%) MongoDB
2 21 (30.00%) MySQL
3 18 (25.71%) PostgreSQL
4 14 (20.00%) Apache Cassandra
4 14 (20.00%) NoSQL
4 14 (20.00%) Relational Database
5 12 (17.14%) Hadoop
5 12 (17.14%) HBase
6 9 (12.86%) Redis
7 8 (11.43%) Big Data
8 7 (10.00%) Apache Hive
8 7 (10.00%) Riak
9 1 (1.43%) Azure SQL Database
Development Applications
1 42 (60.00%) Jenkins
2 20 (28.57%) Git (software)
3 19 (27.14%) JIRA
4 15 (21.43%) Maven
5 14 (20.00%) Cucumber
5 14 (20.00%) Selenium
6 10 (14.29%) Grunt
7 8 (11.43%) Vagrant
8 2 (2.86%) SonarQube
9 1 (1.43%) Ant
9 1 (1.43%) Atlassian Bamboo
9 1 (1.43%) DbUnit
9 1 (1.43%) FishEye
9 1 (1.43%) GitLab
9 1 (1.43%) Hudson
9 1 (1.43%) JMeter
9 1 (1.43%) JUnit
9 1 (1.43%) Subversion
9 1 (1.43%) TeamCity
General
1 2 (2.86%) Finance
2 1 (1.43%) Legal
2 1 (1.43%) Retail
Job Titles
1 32 (45.71%) DevOps Engineer
2 11 (15.71%) Developer
3 9 (12.86%) Architect
4 7 (10.00%) WebOps Engineer
5 6 (8.57%) AWS DevOps
5 6 (8.57%) Platform Engineer
5 6 (8.57%) Senior DevOps
5 6 (8.57%) Senior DevOps Engineer
6 5 (7.14%) Java Developer
6 5 (7.14%) Technical Architect
7 4 (5.71%) Lead Architect
7 4 (5.71%) Lead DevOps
7 4 (5.71%) Scala Developer
7 4 (5.71%) Technical Leader
8 3 (4.29%) Administrator
8 3 (4.29%) Hadoop Engineer
8 3 (4.29%) Linux DevOps Engineer
8 3 (4.29%) Linux Engineer
8 3 (4.29%) Linux/Unix DevOps
9 2 (2.86%) PHP Developer
Libraries, Frameworks & Software Standards
1 24 (34.29%) HTML
1 24 (34.29%) HTML5
2 20 (28.57%) Spring
3 14 (20.00%) Django
3 14 (20.00%) JSON
3 14 (20.00%) Play Framework
3 14 (20.00%) RESTful
4 12 (17.14%) Web Services
5 10 (14.29%) AngularJS
5 10 (14.29%) CSS
5 10 (14.29%) CSS3
5 10 (14.29%) jQuery
6 8 (11.43%) Elastic Stack
6 8 (11.43%) LAMP
7 7 (10.00%) Node.js
8 6 (8.57%) Apache Camel
8 6 (8.57%) RabbitMQ
9 5 (7.14%) LAPP Stack
9 5 (7.14%) Spring Boot
10 3 (4.29%) Kafka
Miscellaneous
1 8 (11.43%) Driving Licence
2 6 (8.57%) Social Media
3 5 (7.14%) Replication
3 5 (7.14%) Tandem
4 4 (5.71%) Computer Science
5 2 (2.86%) Clustering
5 2 (2.86%) Management Information System
6 1 (1.43%) Analytical Skills
6 1 (1.43%) Enterprise Software
Operating Systems
1 58 (82.86%) Linux
2 7 (10.00%) Red Hat Enterprise Linux
2 7 (10.00%) Unix
3 5 (7.14%) CoreOS
4 3 (4.29%) Android
5 2 (2.86%) Windows
6 1 (1.43%) CentOS
6 1 (1.43%) VMS
Processes & Methodologies
1 46 (65.71%) DevOps
2 33 (47.14%) Agile Software Development
3 28 (40.00%) Open Source
4 22 (31.43%) Configuration Management
5 18 (25.71%) Continuous Integration
6 15 (21.43%) TDD
7 14 (20.00%) Scrum
8 11 (15.71%) Kanban
8 11 (15.71%) Mentoring
9 10 (14.29%) BDD
10 9 (12.86%) Microservices
11 8 (11.43%) High Availability
12 7 (10.00%) Automated Testing
12 7 (10.00%) Web Operations
13 6 (8.57%) Business Analysis
13 6 (8.57%) MapReduce
13 6 (8.57%) Software Engineering
14 5 (7.14%) UML
15 4 (5.71%) Extreme Programming
15 4 (5.71%) Software Testing
Programming Languages
1 54 (77.14%) Python
2 43 (61.43%) Java
3 39 (55.71%) Ruby
4 20 (28.57%) Scala
5 19 (27.14%) Bash Shell
6 13 (18.57%) JavaScript
7 12 (17.14%) PHP
8 11 (15.71%) Go
9 9 (12.86%) Shell Script
10 7 (10.00%) SQL
11 5 (7.14%) C#
12 4 (5.71%) C++
13 1 (1.43%) C
13 1 (1.43%) Korn
13 1 (1.43%) Perl
13 1 (1.43%) PL/SQL
13 1 (1.43%) PowerShell
Qualifications
1 4 (5.71%) Degree
2 1 (1.43%) AWS Certification
Quality Assurance & Compliance
1 4 (5.71%) QA
2 1 (1.43%) Disclosure Scotland
System Software
1 23 (32.86%) Docker
2 12 (17.14%) HDFS
3 6 (8.57%) Active Directory
4 5 (7.14%) VirtualBox
4 5 (7.14%) VMware Infrastructure
5 4 (5.71%) XenServer
6 3 (4.29%) vSphere
6 3 (4.29%) Xen
Systems Management
1 66 (94.29%) Puppet
2 39 (55.71%) Ansible
3 20 (28.57%) Salt
4 14 (20.00%) Nagios
5 9 (12.86%) Kubernetes
6 8 (11.43%) ZABBIX
7 7 (10.00%) Hadoop YARN
8 5 (7.14%) Cobbler
9 2 (2.86%) Rancher
10 1 (1.43%) Graphite
10 1 (1.43%) Mesos
10 1 (1.43%) Opsview
10 1 (1.43%) SCCM
10 1 (1.43%) SCOM
10 1 (1.43%) Terraform
Vendors
1 17 (24.29%) SaltStack
2 13 (18.57%) Splunk
3 12 (17.14%) Red Hat
4 11 (15.71%) Rackspace
5 10 (14.29%) Google
5 10 (14.29%) Oracle
6 8 (11.43%) New Relic
6 8 (11.43%) VMware
7 5 (7.14%) Hortonworks
8 2 (2.86%) Atlassian
8 2 (2.86%) Microsoft
9 1 (1.43%) EnterpriseDB
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