Period
to 20 May 2018

The following table provides summary statistics for contract job vacancies advertised in 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 6 months to 20 May 2018 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
England > London
6 months to
20 May 2018
Same period 2017 Same period 2016
Rank 115 129 130
Rank change year-on-year +14 +1 +52
Contract jobs citing Opscode Chef 1,082 820 852
As % of all contract IT jobs advertised in London 2.37% 2.07% 1.97%
As % of the Systems Management category 17.72% 17.78% 18.66%
Number of daily rates quoted 852 633 671
London median daily rate £550 £550 £500
Median daily rate % change year-on-year - +10.00% -
10th Percentile £425 £418 £403
90th Percentile £663 £701 £625
England median daily rate £525 £510 £480
% change year-on-year +2.94% +6.25% +1.59%
Number of hourly rates quoted 1 1 3
London median hourly rate £52.50 £40.00 £50.00
Median hourly rate % change year-on-year +31.25% -20.00% -
10th Percentile £51.25 £38.75 £47.50
90th Percentile £53.75 £41.25 £52.50
England median hourly rate £46.25 £40.00 £50.00
% change year-on-year +15.63% -20.00% -

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

All Systems Management Skills
London
Contract vacancies with a requirement for systems management skills 6,105 4,613 4,565
As % of all contract IT jobs advertised in London 13.37% 11.63% 10.53%
Number of daily rates quoted 4,520 3,276 3,219
London median daily rate £525 £500 £463
Median daily rate % change year-on-year +5.00% +8.11% +5.71%
10th Percentile £313 £320 £300
90th Percentile £663 £638 £613
England median daily rate £500 £460 £425
% change year-on-year +8.70% +8.24% +6.25%
Number of hourly rates quoted 81 41 47
London median hourly rate £25.00 £25.00 £22.50
Median hourly rate % change year-on-year - +11.11% +20.32%
10th Percentile £13.25 £15.00 £17.00
90th Percentile £63.75 £47.00 £53.00
England median hourly rate £17.77 £21.00 £21.33
% change year-on-year -15.38% -1.55% +6.65%

Opscode Chef
Job Vacancy Trend in London

Job postings citing Opscode Chef as a percentage of all IT jobs advertised in London.

Job vacancy trend for Opscode Chef in London

Opscode Chef
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Opscode Chef in London

Opscode Chef
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Opscode Chef in London over the 6 months to 20 May 2018.

Contractor daily rate histogram for Opscode Chef in London

Opscode Chef
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Opscode Chef in London.

Contractor hourly rate trend for Opscode Chef in London

Opscode Chef
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Opscode Chef within the London region over the 6 months to 20 May 2018. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +29 219 £550 - 59
West London +28 83 £525 +3.19% 32
South London +2 55 £550 +4.76% 4
East London -4 26 £500 -10.71% 12
North London +3 3 £475 -5.00% 1
Opscode Chef
England

For the 6 months to 20 May 2018, IT contractor jobs citing Opscode Chef also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for Opscode Chef.

1 803 (74.21%) Puppet
2 743 (68.67%) DevOps
3 733 (67.74%) Ansible
4 571 (52.77%) Amazon AWS
5 515 (47.60%) Linux
6 512 (47.32%) Jenkins
7 495 (45.75%) Python
8 464 (42.88%) Docker
9 460 (42.51%) Agile Software Development
10 394 (36.41%) Configuration Management
11 376 (34.75%) Continuous Integration
12 375 (34.66%) Java
13 276 (25.51%) Terraform
14 273 (25.23%) Microsoft Azure
15 268 (24.77%) Finance
16 254 (23.48%) Git (software)
17 248 (22.92%) Ruby
18 214 (19.78%) Kubernetes
19 210 (19.41%) Open Source
20 201 (18.58%) MySQL
21 190 (17.56%) NoSQL
22 189 (17.47%) Bash Shell
23 185 (17.10%) PostgreSQL
24 183 (16.91%) Unix
25 174 (16.08%) Windows
26 163 (15.06%) TDD
27 160 (14.79%) Perl
28 154 (14.23%) JavaScript
29 153 (14.14%) OO
30 141 (13.03%) JIRA

Opscode Chef
Co-occurring IT Skills in 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
1 123 (11.37%) Tomcat
2 110 (10.17%) Confluence
3 109 (10.07%) OpenStack
4 95 (8.78%) WebSphere
5 80 (7.39%) WebLogic
6 57 (5.27%) Elasticsearch
7 47 (4.34%) nginx
8 39 (3.60%) JBoss
9 36 (3.33%) Apache
10 31 (2.87%) Cloud Foundry
11 21 (1.94%) IIS
12 18 (1.66%) Jetty
13 17 (1.57%) Apache Spark
14 9 (0.83%) Mule
15 7 (0.65%) Mongrel
15 7 (0.65%) Mule ESB
16 6 (0.55%) CMS
17 5 (0.46%) WebSphere Application Server
18 4 (0.37%) ExpressionEngine
18 4 (0.37%) WordPress
Applications
1 7 (0.65%) Microsoft Excel
1 7 (0.65%) MS Visio
2 2 (0.18%) HipChat
2 2 (0.18%) Microsoft Office
Business Applications
1 4 (0.37%) Remedy ITSM
2 1 (0.092%) Magento
2 1 (0.092%) Oracle BPM
2 1 (0.092%) Oracle EBS
2 1 (0.092%) R3 Corda
2 1 (0.092%) SAP ERP
2 1 (0.092%) SAP Hybris
Cloud Services
1 571 (52.77%) Amazon AWS
2 273 (25.23%) Microsoft Azure
3 126 (11.65%) AWS CloudFormation
4 103 (9.52%) Serverless
5 92 (8.50%) Amazon EC2
5 92 (8.50%) Amazon S3
6 89 (8.23%) GitHub
7 87 (8.04%) AWS Lambda
8 74 (6.84%) IaaS
9 67 (6.19%) Amazon CloudWatch
10 61 (5.64%) Virtual Private Cloud
11 58 (5.36%) Google Cloud Platform
12 57 (5.27%) PaaS
13 54 (4.99%) Route 53
14 51 (4.71%) npm
15 42 (3.88%) CloudFront
15 42 (3.88%) SaaS
16 20 (1.85%) Cloud Computing
16 20 (1.85%) Datadog
17 19 (1.76%) OpenShift
Communications & Networking
1 78 (7.21%) DNS
1 78 (7.21%) TCP/IP
2 74 (6.84%) HTTP
3 56 (5.18%) DHCP
4 51 (4.71%) SSL
5 49 (4.53%) Firewall
6 39 (3.60%) FTP
7 33 (3.05%) IPsec
8 20 (1.85%) Internet
8 20 (1.85%) VPN
9 17 (1.57%) SAN
10 14 (1.29%) SMTP
11 10 (0.92%) SSH
12 9 (0.83%) SNMP
13 7 (0.65%) IMAP
13 7 (0.65%) Unified Communications
14 6 (0.55%) LAN
14 6 (0.55%) WAN
15 5 (0.46%) ICMP
15 5 (0.46%) VLAN
Database & Business Intelligence
1 201 (18.58%) MySQL
2 190 (17.56%) NoSQL
3 185 (17.10%) PostgreSQL
4 89 (8.23%) MongoDB
5 70 (6.47%) Amazon RDS
6 67 (6.19%) Hadoop
7 53 (4.90%) Relational Database
8 44 (4.07%) RDBMS
9 43 (3.97%) SQL Server
10 33 (3.05%) Big Data
11 28 (2.59%) Apache Cassandra
12 27 (2.50%) Redis
13 20 (1.85%) DB2
14 16 (1.48%) Data Warehouse
15 12 (1.11%) Amazon DynamoDB
16 11 (1.02%) Amazon Redshift
17 9 (0.83%) Apache Hive
17 9 (0.83%) Hazelcast
18 8 (0.74%) Blockchain
18 8 (0.74%) OLTP
Development Applications
1 512 (47.32%) Jenkins
2 254 (23.48%) Git (software)
3 141 (13.03%) JIRA
4 114 (10.54%) TeamCity
5 93 (8.60%) Maven
6 75 (6.93%) MSTest
6 75 (6.93%) NUnit
7 69 (6.38%) Travis CI
8 63 (5.82%) Atlassian Bamboo
9 56 (5.18%) Gradle
10 52 (4.81%) gulp
11 47 (4.34%) Octopus Deploy
12 44 (4.07%) Vagrant
13 41 (3.79%) Subversion
14 36 (3.33%) Selenium
15 35 (3.23%) JUnit
15 35 (3.23%) webpack
16 33 (3.05%) Grunt
16 33 (3.05%) Sonatype Nexus
17 30 (2.77%) GitLab
General
1 268 (24.77%) Finance
2 94 (8.69%) Banking
3 44 (4.07%) Retail
4 19 (1.76%) Financial Institution
4 19 (1.76%) Law
4 19 (1.76%) Retail Banking
5 18 (1.66%) Investment Banking
6 13 (1.20%) Games
7 10 (0.92%) Publishing
8 8 (0.74%) Telecoms
9 6 (0.55%) Back Office
10 5 (0.46%) Marketing
11 4 (0.37%) French Language
12 1 (0.092%) Electronics
12 1 (0.092%) Legal
12 1 (0.092%) Manufacturing
12 1 (0.092%) Spanish Language
Job Titles
1 504 (46.58%) DevOps Engineer
2 240 (22.18%) Developer
3 188 (17.38%) AWS Engineer
4 165 (15.25%) AWS DevOps
5 148 (13.68%) AWS DevOps Engineer
6 119 (11.00%) Java Developer
7 102 (9.43%) Cloud Engineer
8 66 (6.10%) Linux Engineer
9 64 (5.91%) Senior Developer
10 63 (5.82%) Consultant
11 60 (5.55%) Senior DevOps
12 51 (4.71%) Linux/Unix DevOps
13 48 (4.44%) Linux DevOps Engineer
14 46 (4.25%) Senior DevOps Engineer
14 46 (4.25%) Senior Java Developer
15 45 (4.16%) DevOps Consultant
16 44 (4.07%) Digital Developer
16 44 (4.07%) Digital Transformation
17 43 (3.97%) Administrator
18 37 (3.42%) Python Developer
Libraries, Frameworks & Software Standards
1 126 (11.65%) Web Services
2 113 (10.44%) Node.js
3 73 (6.75%) AngularJS
4 59 (5.45%) Spring
5 54 (4.99%) CSS
6 51 (4.71%) HTML
7 47 (4.34%) React
8 46 (4.25%) .NET
9 42 (3.88%) REST
10 41 (3.79%) HTML5
11 38 (3.51%) Elastic Stack
11 38 (3.51%) Kafka
12 30 (2.77%) Vue (Vue.js)
13 29 (2.68%) RESTful
14 27 (2.50%) SOAP
14 27 (2.50%) Spring Boot
14 27 (2.50%) Spring MVC
15 26 (2.40%) Hibernate
15 26 (2.40%) Middleware
16 25 (2.31%) LESS
Miscellaneous
1 59 (5.45%) Greenfield Project
2 57 (5.27%) Linux Command Line
3 51 (4.71%) Fintech
4 42 (3.88%) Analytical Skills
5 33 (3.05%) Public Cloud
6 30 (2.77%) Data Centre
6 30 (2.77%) Enterprise Software
7 26 (2.40%) Computer Science
8 20 (1.85%) Cloud Native
9 18 (1.66%) Mobile App
10 17 (1.57%) Data Structures
11 16 (1.48%) Replication
12 14 (1.29%) Algorithms
13 13 (1.20%) Hybrid Cloud
14 12 (1.11%) Clustering
14 12 (1.11%) User Experience
14 12 (1.11%) Virtual Team
15 11 (1.02%) Private Cloud
16 10 (0.92%) Online Banking
16 10 (0.92%) Self-Motivation
Operating Systems
1 515 (47.60%) Linux
2 183 (16.91%) Unix
3 174 (16.08%) Windows
4 105 (9.70%) Red Hat Enterprise Linux
5 52 (4.81%) Windows Server
6 44 (4.07%) CentOS
7 41 (3.79%) Ubuntu
8 25 (2.31%) Windows Server 2008
9 20 (1.85%) Debian
10 19 (1.76%) DC/OS
10 19 (1.76%) Solaris
11 16 (1.48%) AIX
11 16 (1.48%) Windows Server 2012
12 12 (1.11%) CoreOS
13 7 (0.65%) Fedora
14 5 (0.46%) VMS
15 2 (0.18%) Oracle Linux
15 2 (0.18%) SmartOS
16 1 (0.092%) Apple iOS
16 1 (0.092%) Mesosphere
Processes & Methodologies
1 743 (68.67%) DevOps
2 460 (42.51%) Agile Software Development
3 394 (36.41%) Configuration Management
4 376 (34.75%) Continuous Integration
5 210 (19.41%) Open Source
6 163 (15.06%) TDD
7 153 (14.14%) OO
8 105 (9.70%) Microservices
9 101 (9.33%) Migration
10 99 (9.15%) Test Automation
11 93 (8.60%) Deployment Automation
11 93 (8.60%) Digital Transformation Programme
12 88 (8.13%) SDLC
13 84 (7.76%) Continuous Delivery
14 76 (7.02%) Software Engineering
15 69 (6.38%) Problem-Solving
15 69 (6.38%) Scrum
16 59 (5.45%) BDD
17 58 (5.36%) Mentoring
18 52 (4.81%) Continuous Deployment
Programming Languages
1 495 (45.75%) Python
2 375 (34.66%) Java
3 248 (22.92%) Ruby
4 189 (17.47%) Bash Shell
5 160 (14.79%) Perl
6 154 (14.23%) JavaScript
7 127 (11.74%) PowerShell
8 83 (7.67%) SQL
9 68 (6.28%) Go
10 65 (6.01%) Groovy
11 62 (5.73%) Shell Script
12 38 (3.51%) Scala
13 34 (3.14%) Java 8
14 27 (2.50%) C#
15 26 (2.40%) PHP
16 25 (2.31%) C++
16 25 (2.31%) ES6
17 22 (2.03%) TypeScript
18 21 (1.94%) Korn
19 20 (1.85%) C
Qualifications
1 134 (12.38%) Security Cleared
2 96 (8.87%) SC Cleared
3 60 (5.55%) AWS Certification
4 23 (2.13%) Degree
5 16 (1.48%) Computer Science Degree
6 9 (0.83%) BPSS Clearance
7 7 (0.65%) Microsoft Certification
7 7 (0.65%) VMware Certified Professional (VCP)
8 6 (0.55%) ITIL Certification
8 6 (0.55%) MCSE
9 5 (0.46%) VCP6
10 4 (0.37%) Cisco Certification
10 4 (0.37%) CISM
10 4 (0.37%) Master's Degree
10 4 (0.37%) RHCE
11 3 (0.28%) CCNP
11 3 (0.28%) CISA
11 3 (0.28%) CISSP
12 2 (0.18%) PMI Certification
12 2 (0.18%) PMP
Quality Assurance & Compliance
1 31 (2.87%) QA
2 21 (1.94%) GCP
3 12 (1.11%) SLA
4 2 (0.18%) ISO/IEC 27001
4 2 (0.18%) PCI DSS
4 2 (0.18%) PMO
5 1 (0.092%) Disclosure Scotland
5 1 (0.092%) GDPR
System Software
1 464 (42.88%) Docker
2 70 (6.47%) Virtual Machines
3 68 (6.28%) VMware Infrastructure
4 29 (2.68%) VirtualBox
5 27 (2.50%) Active Directory
6 24 (2.22%) vCloud
7 23 (2.13%) Hyper-V
8 15 (1.39%) KVM
9 13 (1.20%) Firmware
10 11 (1.02%) VMware ESXi
11 9 (0.83%) NFS
11 9 (0.83%) Xen
12 8 (0.74%) Apache ZooKeeper
12 8 (0.74%) HDFS
13 6 (0.55%) Samba
13 6 (0.55%) VMware NSX
13 6 (0.55%) vSphere
14 5 (0.46%) LXC
15 4 (0.37%) Veritas Cluster Server
16 3 (0.28%) Virtual Servers
Systems Management
1 803 (74.21%) Puppet
2 733 (67.74%) Ansible
3 276 (25.51%) Terraform
4 214 (19.78%) Kubernetes
5 104 (9.61%) Salt
6 60 (5.55%) Packer
7 43 (3.97%) Mesos
7 43 (3.97%) Nagios
8 42 (3.88%) Docker Swarm
9 20 (1.85%) CFEngine
10 19 (1.76%) Rancher
11 18 (1.66%) Kibana
12 15 (1.39%) Capistrano
12 15 (1.39%) Grafana
13 13 (1.20%) Suricata
14 11 (1.02%) Cobbler
14 11 (1.02%) logstash
15 10 (0.92%) Consul
15 10 (0.92%) vRealize
15 10 (0.92%) vRealize Orchestrator
Vendors
1 122 (11.28%) Oracle
2 97 (8.96%) VMware
3 90 (8.32%) Red Hat
4 88 (8.13%) Splunk
5 74 (6.84%) SaltStack
6 63 (5.82%) Google
7 62 (5.73%) Microsoft
8 58 (5.36%) Atlassian
9 35 (3.23%) AppDynamics
9 35 (3.23%) New Relic
10 26 (2.40%) Sybase
11 18 (1.66%) Cisco
11 18 (1.66%) Rackspace
12 15 (1.39%) EMC
13 14 (1.29%) Remedy
14 13 (1.20%) Qualys
15 12 (1.11%) IBM
16 8 (0.74%) Kaspersky
16 8 (0.74%) Symantec
17 7 (0.65%) Perforce