The following table provides summary statistics for contract job vacancies advertised in the City of London 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 24 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Opscode Chef
London / City of London
Rank 101 107 136
Rank change year-on-year +6 +29  
Contract jobs citing Opscode Chef 52 51 53
As % of all contract IT jobs advertised in the City of London 1.72% 1.55% 1.05%
As % of the Systems Management category 16.51% 14.83% 12.83%
Number of daily rates quoted 47 48 45
Median daily rate £525 £475 £500
Median daily rate % change year-on-year +10.52% -5.00%  
90% offered a daily rate of more than £422 £387 £368
10% offered a daily rate of more than £600 £600 £625
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 the City of London with a requirement for systems management skills.

Systems Management Skills
City of London
Contract job vacancies with a requirement for systems management skills 315 344 413
As % of all contract IT job vacancies advertised in the City of London 10.39% 10.44% 8.18%
Number of daily rates quoted 259 248 317
Median daily rate £500 £473 £450
Median daily rate % change year-on-year +5.82% +5.00%  
90% offered a daily rate of more than £318 £340 £265
10% offered a daily rate of more than £600 £600 £600
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 2 3 5
Median hourly rate £22.34 £19.00 £18.70
Median hourly rate % change year-on-year +17.55% +1.60%  
UK excluding London median hourly rate £19.00 £22.50 £21.50
% change year-on-year -15.55% +4.65%  

Opscode Chef
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London 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 the City of London

Opscode Chef
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Opscode Chef in the City of London

Opscode Chef
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Opscode Chef in the City of London over the 3 months to 24 March 2017.

Contractor daily rate histogram for Opscode Chef in the City of London

Opscode Chef
Top 30 Related IT Skills in the City of London

For the 6 months to 24 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 City of London region with a requirement for Opscode Chef.

1 87 (82.86%) DevOps
2 80 (76.19%) Puppet
3 57 (54.29%) Python
4 54 (51.43%) Linux
5 47 (44.76%) Ansible
6 42 (40.00%) Continuous Integration
7 41 (39.05%) Java
7 41 (39.05%) Agile Software Development
8 37 (35.24%) Amazon AWS
9 31 (29.52%) Configuration Management
10 30 (28.57%) Jenkins
11 29 (27.62%) Unix
12 28 (26.67%) Docker
13 26 (24.76%) Open Source
14 23 (21.90%) Microsoft Azure
14 23 (21.90%) Bash Shell
14 23 (21.90%) Ruby
14 23 (21.90%) Perl
15 22 (20.95%) Windows
16 20 (19.05%) Git (software)
17 19 (18.10%) PowerShell
17 19 (18.10%) Finance
17 19 (18.10%) TDD
18 18 (17.14%) Continuous Delivery
19 17 (16.19%) Banking
19 17 (16.19%) Spring
20 16 (15.24%) Web Services
21 15 (14.29%) High Availability
22 14 (13.33%) NoSQL
22 14 (13.33%) Big Data

Opscode Chef
Top Related IT Skills in the City of London 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 8 (7.62%) Apache Spark
1 8 (7.62%) Confluence
2 7 (6.67%) IIS
3 3 (2.86%) Apache
3 3 (2.86%) Apache Pig
3 3 (2.86%) Cloud Foundry
3 3 (2.86%) Elasticsearch
3 3 (2.86%) JBoss
3 3 (2.86%) OpenStack
4 2 (1.90%) Tomcat
5 1 (0.95%) Adobe Experience Manager
5 1 (0.95%) CloudStack
5 1 (0.95%) CMS
5 1 (0.95%) Jupyter
5 1 (0.95%) MQSeries
5 1 (0.95%) Mule
5 1 (0.95%) nginx
5 1 (0.95%) WebSphere
Applications
1 4 (3.81%) MS Excel
Business Applications
1 2 (1.90%) SAP Oil and Gas
Cloud Services
1 37 (35.24%) Amazon AWS
2 23 (21.90%) Microsoft Azure
3 11 (10.48%) IaaS
4 9 (8.57%) AWS CloudFormation
5 5 (4.76%) PaaS
6 4 (3.81%) Cloud Computing
7 2 (1.90%) Amazon EC2
7 2 (1.90%) Amazon ELB
7 2 (1.90%) Amazon EMR
7 2 (1.90%) Datadog
7 2 (1.90%) Slack
8 1 (0.95%) Amazon Kinesis
8 1 (0.95%) Amazon S3
8 1 (0.95%) AWS Elastic Beanstalk
8 1 (0.95%) AWS Lambda
8 1 (0.95%) GitHub
8 1 (0.95%) Route 53
8 1 (0.95%) Virtual Private Cloud
Communications & Networking
1 7 (6.67%) Firewall
2 6 (5.71%) DNS
3 4 (3.81%) HTTP
4 2 (1.90%) Internet
4 2 (1.90%) LDAP
5 1 (0.95%) Cisco ASA
5 1 (0.95%) Cisco IOS
5 1 (0.95%) DHCP
5 1 (0.95%) Ethernet
5 1 (0.95%) FTP
5 1 (0.95%) Intranet
5 1 (0.95%) iSCSI
5 1 (0.95%) Kerberos
5 1 (0.95%) NAS
5 1 (0.95%) SAN
5 1 (0.95%) SMTP
5 1 (0.95%) SSH
5 1 (0.95%) TCP/IP
5 1 (0.95%) VPN
5 1 (0.95%) Wireshark
Database & Business Intelligence
1 14 (13.33%) Big Data
1 14 (13.33%) NoSQL
2 9 (8.57%) Apache Cassandra
3 8 (7.62%) MySQL
4 7 (6.67%) MongoDB
5 6 (5.71%) Hazelcast
6 5 (4.76%) Hadoop
6 5 (4.76%) PostgreSQL
7 4 (3.81%) Relational Database
8 3 (2.86%) Apache Hive
8 3 (2.86%) MariaDB
8 3 (2.86%) Redis
8 3 (2.86%) SQL Server
9 2 (1.90%) RDBMS
10 1 (0.95%) Amazon RDS
10 1 (0.95%) HBase
10 1 (0.95%) Parquet
10 1 (0.95%) QlikView
10 1 (0.95%) Spotfire
10 1 (0.95%) Sqoop
Development Applications
1 30 (28.57%) Jenkins
2 20 (19.05%) Git (software)
3 11 (10.48%) JIRA
4 9 (8.57%) Subversion
5 7 (6.67%) Maven
6 5 (4.76%) TeamCity
7 4 (3.81%) Hudson
7 4 (3.81%) Sonatype Nexus
8 3 (2.86%) Gradle
8 3 (2.86%) JUnit
9 2 (1.90%) Bazaar
9 2 (1.90%) Eclipse
9 2 (1.90%) Gerrit
9 2 (1.90%) jMock
9 2 (1.90%) Mercurial
9 2 (1.90%) Octopus Deploy
10 1 (0.95%) CircleCI
10 1 (0.95%) Grunt
10 1 (0.95%) Selenium
10 1 (0.95%) SonarQube
General
1 19 (18.10%) Finance
2 17 (16.19%) Banking
3 5 (4.76%) Retail
4 2 (1.90%) Advertising
4 2 (1.90%) Electronics
4 2 (1.90%) Front Office
4 2 (1.90%) Manufacturing
4 2 (1.90%) Marketing
4 2 (1.90%) Telecoms
5 1 (0.95%) Back Office
5 1 (0.95%) Billing
5 1 (0.95%) Financial Institution
5 1 (0.95%) Games
5 1 (0.95%) Investment Banking
5 1 (0.95%) Law
5 1 (0.95%) Retail Banking
Job Titles
1 44 (41.90%) DevOps Engineer
2 20 (19.05%) Developer
3 14 (13.33%) AWS DevOps
3 14 (13.33%) Java Developer
4 13 (12.38%) Linux/Unix DevOps
5 10 (9.52%) AWS Engineer
6 9 (8.57%) Azure Engineer
6 9 (8.57%) Cloud Engineer
6 9 (8.57%) Java Engineer
6 9 (8.57%) Senior DevOps
7 8 (7.62%) Azure DevOps
7 8 (7.62%) Senior Developer
7 8 (7.62%) Senior Java Developer
8 7 (6.67%) AWS Developer
8 7 (6.67%) Linux Engineer
8 7 (6.67%) Unix Engineer
9 6 (5.71%) Architect
9 6 (5.71%) Linux DevOps Engineer
10 4 (3.81%) Automation Engineer
10 4 (3.81%) Big Data Engineer
Libraries, Frameworks & Software Standards
1 17 (16.19%) Spring
2 16 (15.24%) Web Services
3 9 (8.57%) REST
4 7 (6.67%) .NET
4 7 (6.67%) Node.js
5 5 (4.76%) AngularJS
5 5 (4.76%) Dropwizard
5 5 (4.76%) Guava
5 5 (4.76%) HTML
5 5 (4.76%) LAMP
6 3 (2.86%) CSS
6 3 (2.86%) React
7 2 (1.90%) Hibernate
7 2 (1.90%) HTML5
7 2 (1.90%) J2EE
7 2 (1.90%) JMS
7 2 (1.90%) jQuery
7 2 (1.90%) Middleware
7 2 (1.90%) RabbitMQ
7 2 (1.90%) SOAP
Miscellaneous
1 8 (7.62%) Client/Server
1 8 (7.62%) Public Cloud
2 5 (4.76%) Analytical Skills
2 5 (4.76%) Fintech
3 4 (3.81%) Data Centre
3 4 (3.81%) Replication
4 3 (2.86%) Clustering
4 3 (2.86%) Computer Science
5 2 (1.90%) Enterprise Software
5 2 (1.90%) Linux Command Line
5 2 (1.90%) Management Information System
5 2 (1.90%) Private Cloud
5 2 (1.90%) Virtual Team
6 1 (0.95%) Algorithms
6 1 (0.95%) Blog
6 1 (0.95%) Data Structures
6 1 (0.95%) Derivative
6 1 (0.95%) Driving Licence
6 1 (0.95%) NHS
6 1 (0.95%) User Experience
Operating Systems
1 54 (51.43%) Linux
2 29 (27.62%) Unix
3 22 (20.95%) Windows
4 8 (7.62%) Windows Server
5 7 (6.67%) Red Hat Enterprise Linux
6 3 (2.86%) CentOS
6 3 (2.86%) Ubuntu
7 2 (1.90%) CoreOS
8 1 (0.95%) Data ONTAP
8 1 (0.95%) Solaris
Processes & Methodologies
1 87 (82.86%) DevOps
2 42 (40.00%) Continuous Integration
3 41 (39.05%) Agile Software Development
4 31 (29.52%) Configuration Management
5 26 (24.76%) Open Source
6 19 (18.10%) TDD
7 18 (17.14%) Continuous Delivery
8 15 (14.29%) High Availability
9 14 (13.33%) Continuous Deployment
10 12 (11.43%) OO
11 10 (9.52%) Mentoring
12 9 (8.57%) Microservices
12 9 (8.57%) Service Design
13 8 (7.62%) BDD
13 8 (7.62%) Disaster Recovery
13 8 (7.62%) Migration
14 7 (6.67%) API Design
14 7 (6.67%) Build Automation
14 7 (6.67%) Software Engineering
15 5 (4.76%) Load Balancing
Programming Languages
1 57 (54.29%) Python
2 41 (39.05%) Java
3 23 (21.90%) Bash Shell
3 23 (21.90%) Perl
3 23 (21.90%) Ruby
4 19 (18.10%) PowerShell
5 11 (10.48%) JavaScript
5 11 (10.48%) Scala
6 8 (7.62%) SQL
7 6 (5.71%) Go
8 5 (4.76%) PHP
8 5 (4.76%) Shell Script
9 4 (3.81%) C#
10 3 (2.86%) C++
10 3 (2.86%) Groovy
11 2 (1.90%) F#
12 1 (0.95%) Korn
12 1 (0.95%) Kotlin
Qualifications
1 3 (2.86%) Degree
2 2 (1.90%) SC Cleared
2 2 (1.90%) Security Cleared
3 1 (0.95%) DV Cleared
3 1 (0.95%) ITIL Certification
3 1 (0.95%) MCP
3 1 (0.95%) MCSA
3 1 (0.95%) Microsoft Certification
3 1 (0.95%) RHCE
Quality Assurance & Compliance
1 3 (2.86%) QA
2 1 (0.95%) SLA
System Software
1 28 (26.67%) Docker
2 8 (7.62%) VMware Infrastructure
3 7 (6.67%) Hyper-V
4 3 (2.86%) Active Directory
5 2 (1.90%) NFS
6 1 (0.95%) Gluster
6 1 (0.95%) GPFS
6 1 (0.95%) HDFS
6 1 (0.95%) iptables
6 1 (0.95%) LXC
6 1 (0.95%) Virtual Machines
6 1 (0.95%) vSphere
6 1 (0.95%) Xen
6 1 (0.95%) XenServer
Systems Management
1 80 (76.19%) Puppet
2 47 (44.76%) Ansible
3 9 (8.57%) Terraform
4 5 (4.76%) Kubernetes
4 5 (4.76%) Salt
5 3 (2.86%) Galera Cluster
5 3 (2.86%) Hadoop YARN
5 3 (2.86%) SCOM
6 2 (1.90%) Mesos
6 2 (1.90%) Nagios
6 2 (1.90%) SCCM
7 1 (0.95%) Grafana
7 1 (0.95%) Graphite
7 1 (0.95%) HAProxy
7 1 (0.95%) NetBackup
7 1 (0.95%) Oracle ZFS
7 1 (0.95%) Packer
7 1 (0.95%) Rancher
7 1 (0.95%) rkt
7 1 (0.95%) SELinux
Vendors
1 10 (9.52%) VMware
2 8 (7.62%) Atlassian
2 8 (7.62%) Microsoft
3 7 (6.67%) Cisco
4 6 (5.71%) Splunk
5 4 (3.81%) Dell
5 4 (3.81%) HP
5 4 (3.81%) Red Hat
6 3 (2.86%) F5
7 2 (1.90%) SaltStack
7 2 (1.90%) SAP
7 2 (1.90%) Veracode
7 2 (1.90%) WorldPay
8 1 (0.95%) CA Agile Central
8 1 (0.95%) Hortonworks
8 1 (0.95%) MapR
8 1 (0.95%) MuleSoft
8 1 (0.95%) New Relic
8 1 (0.95%) Rackspace
8 1 (0.95%) Vertica
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