Period
to 23 January 2019

The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for CentOS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CentOS over the 6 months to 23 January 2019 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.

CentOS Linux
England > North West
6 months to
23 Jan 2019
Same period 2018 Same period 2017
Rank 149 163 162
Rank change year-on-year +14 -1 +72
Contract jobs citing CentOS 63 38 48
As % of all contract IT jobs advertised in the North West 1.11% 0.70% 0.79%
As % of the Operating Systems category 5.12% 3.56% 3.75%
Number of daily rates quoted 51 27 35
North West median daily rate £450 £420 £425
Median daily rate % change year-on-year +7.14% -1.18% +22.30%
10th Percentile £313 £374 £347
90th Percentile £700 £488 £575
England median daily rate £475 £475 £463
% change year-on-year - +2.70% +3.35%
Number of hourly rates quoted 0 0 0
North West median hourly rate - - -
England median hourly rate £38.41 £29.00 £17.00
% change year-on-year +32.46% +70.59% -66.00%

CentOS is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the North West with a requirement for operating system skills.

All Operating Systems
North West
Contract vacancies with a requirement for operating system skills 1,230 1,068 1,279
As % of all contract IT jobs advertised in the North West 21.65% 19.64% 21.05%
Number of daily rates quoted 761 656 846
North West median daily rate £375 £400 £400
Median daily rate % change year-on-year -6.25% - +6.67%
10th Percentile £148 £175 £179
90th Percentile £560 £563 £538
England median daily rate £425 £425 £413
% change year-on-year - +3.03% +3.13%
Number of hourly rates quoted 125 106 72
North West median hourly rate £17.50 £17.22 £16.00
Median hourly rate % change year-on-year +1.66% +7.59% -5.88%
10th Percentile £11.25 £11.42 £11.25
90th Percentile £31.94 £40.13 £40.00
England median hourly rate £17.46 £17.50 £16.50
% change year-on-year -0.21% +6.06% -2.02%

CentOS
Job Vacancy Trend in the North West

Job postings citing CentOS as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for CentOS in the North West

CentOS
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CentOS in the North West.

Contractor daily rate trend for CentOS in the North West

CentOS
Contractor Daily Rate Histogram in the North West

The daily rate distribution of IT jobs citing CentOS in the North West over the 6 months to 23 January 2019.

Contractor daily rate histogram for CentOS in the North West

CentOS
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the North West region over the 6 months to 23 January 2019. 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
Manchester -5 31 £400 -4.76% 11
Lancashire +2 24 £450 +4.05% 2
Merseyside - 2 £538 - 1
CentOS
England

For the 6 months to 23 January 2019, IT contractor jobs citing CentOS 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 North West region with a requirement for CentOS.

1 63 (100.00%) Linux
2 41 (65.08%) Puppet
3 39 (61.90%) Red Hat
4 36 (57.14%) Terraform
5 32 (50.79%) Red Hat Enterprise Linux
6 31 (49.21%) Ansible
7 30 (47.62%) GitLab
8 29 (46.03%) MySQL
9 27 (42.86%) Python
9 27 (42.86%) DevOps
10 26 (41.27%) Black Duck
10 26 (41.27%) Amazon AWS
11 25 (39.68%) Jenkins
12 21 (33.33%) MongoDB
13 20 (31.75%) Amazon EC2
13 20 (31.75%) HTTP
13 20 (31.75%) Microservices
13 20 (31.75%) SonarQube
14 19 (30.16%) Kubernetes
14 19 (30.16%) Docker
15 17 (26.98%) Packer
16 16 (25.40%) Virtual Private Cloud
16 16 (25.40%) Amazon ELB
17 15 (23.81%) Route 53
17 15 (23.81%) Infrastructure Monitoring
17 15 (23.81%) Grafana
17 15 (23.81%) Prometheus
17 15 (23.81%) VMware
17 15 (23.81%) Amazon S3
18 14 (22.22%) Apache Cassandra

CentOS
Co-occurring IT Skills in the North West 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 4 (6.35%) Tomcat
2 3 (4.76%) Apache
3 2 (3.17%) Elasticsearch
4 1 (1.59%) Apache Pig
4 1 (1.59%) Apache Spark
4 1 (1.59%) Confluence
Business Applications
1 1 (1.59%) Magento
Cloud Services
1 26 (41.27%) Amazon AWS
2 20 (31.75%) Amazon EC2
3 16 (25.40%) Amazon ELB
3 16 (25.40%) Virtual Private Cloud
4 15 (23.81%) Amazon S3
4 15 (23.81%) Route 53
5 5 (7.94%) Amazon SQS
6 4 (6.35%) AWS CloudFormation
7 2 (3.17%) Microsoft Azure
8 1 (1.59%) AWS Lambda
8 1 (1.59%) CloudFront
8 1 (1.59%) IaaS
8 1 (1.59%) Serverless
Communications & Networking
1 20 (31.75%) HTTP
2 7 (11.11%) SMS
3 4 (6.35%) Firewall
4 2 (3.17%) AMQP
5 1 (1.59%) DNS
5 1 (1.59%) Internet
5 1 (1.59%) Kerberos
5 1 (1.59%) LAN
5 1 (1.59%) WAN
Database & Business Intelligence
1 29 (46.03%) MySQL
2 21 (33.33%) MongoDB
3 14 (22.22%) Apache Cassandra
4 7 (11.11%) MariaDB
5 6 (9.52%) SQL Server
6 2 (3.17%) NoSQL
6 2 (3.17%) PostgreSQL
7 1 (1.59%) Amazon RDS
7 1 (1.59%) Apache Hive
7 1 (1.59%) Big Data
7 1 (1.59%) Hadoop
7 1 (1.59%) HBase
7 1 (1.59%) HSQLDB
7 1 (1.59%) Oracle Database
7 1 (1.59%) Oracle Database 10g
7 1 (1.59%) Oracle Database 11g
7 1 (1.59%) RDBMS
7 1 (1.59%) Relational Database
7 1 (1.59%) Sqoop
Development Applications
1 30 (47.62%) GitLab
2 25 (39.68%) Jenkins
3 20 (31.75%) SonarQube
4 11 (17.46%) Sonatype Nexus
5 9 (14.29%) Git (software)
6 2 (3.17%) Cucumber
7 1 (1.59%) ERwin
7 1 (1.59%) JIRA
7 1 (1.59%) Toad
General
1 7 (11.11%) Billing
Job Titles
1 17 (26.98%) DevOps Engineer
2 8 (12.70%) AWS DevOps
2 8 (12.70%) AWS DevOps Engineer
2 8 (12.70%) AWS Engineer
3 7 (11.11%) Developer
4 6 (9.52%) .NET Developer
5 4 (6.35%) Administrator
5 4 (6.35%) Linux Engineer
5 4 (6.35%) Software Engineer
6 3 (4.76%) Engineering Manager
6 3 (4.76%) Linux Specialist
6 3 (4.76%) Linux Support
6 3 (4.76%) Linux/Unix DevOps
6 3 (4.76%) Programme Manager
6 3 (4.76%) Software Engineering Manager
6 3 (4.76%) Software Manager
7 2 (3.17%) Architect
7 2 (3.17%) Cloud Architect
7 2 (3.17%) Cloud Engineer
7 2 (3.17%) Platform Engineer
Libraries, Frameworks & Software Standards
1 8 (12.70%) .NET
2 7 (11.11%) AngularJS
3 6 (9.52%) Elastic Stack
3 6 (9.52%) jQuery
3 6 (9.52%) React
4 4 (6.35%) Web Services
5 2 (3.17%) Kafka
5 2 (3.17%) RabbitMQ
5 2 (3.17%) RESTful
6 1 (1.59%) LAMP
6 1 (1.59%) LAPP Stack
6 1 (1.59%) Node.js
6 1 (1.59%) Oracle GoldenGate
Miscellaneous
1 4 (6.35%) Public Cloud
2 1 (1.59%) Analytical Skills
2 1 (1.59%) Data Centre
2 1 (1.59%) Distributed Denial-of-Service
2 1 (1.59%) Fintech
2 1 (1.59%) Linux Command Line
2 1 (1.59%) Management Information System
Operating Systems
1 63 (100.00%) Linux
2 32 (50.79%) Red Hat Enterprise Linux
3 11 (17.46%) Windows
4 2 (3.17%) SUSE
4 2 (3.17%) Ubuntu
4 2 (3.17%) Windows Server
5 1 (1.59%) Debian
5 1 (1.59%) Solaris
5 1 (1.59%) Unix
5 1 (1.59%) Windows 7
5 1 (1.59%) Windows Server 2012
Processes & Methodologies
1 27 (42.86%) DevOps
2 20 (31.75%) Microservices
3 15 (23.81%) Infrastructure Monitoring
4 13 (20.63%) Agile Software Development
5 12 (19.05%) Software Engineering
6 11 (17.46%) Coaching
6 11 (17.46%) Waterfall
7 9 (14.29%) Open Source
8 8 (12.70%) Business Development
9 7 (11.11%) MVC
10 6 (9.52%) Configuration Management
10 6 (9.52%) Mentoring
11 5 (7.94%) Migration
12 4 (6.35%) Change Control
13 3 (4.76%) Antivirus Management
13 3 (4.76%) Data Management
13 3 (4.76%) Logistics
14 2 (3.17%) Problem-Solving
14 2 (3.17%) Scrum
14 2 (3.17%) TDD
Programming Languages
1 27 (42.86%) Python
2 12 (19.05%) Perl
2 12 (19.05%) SQL
3 11 (17.46%) Bash Shell
4 7 (11.11%) C#
4 7 (11.11%) JavaScript
4 7 (11.11%) PHP
5 3 (4.76%) Shell Script
6 2 (3.17%) Korn
6 2 (3.17%) PowerShell
7 1 (1.59%) Java
7 1 (1.59%) PL/SQL
Qualifications
1 4 (6.35%) Security Cleared
2 3 (4.76%) SC Cleared
3 2 (3.17%) BPSS Clearance
4 1 (1.59%) AWS Certification
System Software
1 19 (30.16%) Docker
2 12 (19.05%) VMware Infrastructure
3 6 (9.52%) Active Directory
4 4 (6.35%) VMware ESXi
5 2 (3.17%) Virtual Machines
6 1 (1.59%) Apache Flume
6 1 (1.59%) Apache ZooKeeper
6 1 (1.59%) Hyper-V
6 1 (1.59%) NFS
6 1 (1.59%) Oracle RAC
6 1 (1.59%) Samba
Systems Management
1 41 (65.08%) Puppet
2 36 (57.14%) Terraform
3 31 (49.21%) Ansible
4 19 (30.16%) Kubernetes
5 17 (26.98%) Packer
6 15 (23.81%) Grafana
6 15 (23.81%) Prometheus
7 14 (22.22%) Rancher
8 3 (4.76%) WSUS
9 2 (3.17%) Opscode Chef
10 1 (1.59%) BMC PATROL
10 1 (1.59%) Ganglia
10 1 (1.59%) Kibana
10 1 (1.59%) Nagios
10 1 (1.59%) NetBackup
Vendors
1 39 (61.90%) Red Hat
2 26 (41.27%) Black Duck
3 15 (23.81%) VMware
4 9 (14.29%) Oracle
5 1 (1.59%) BMC
5 1 (1.59%) Cloudera
5 1 (1.59%) EnterpriseDB
5 1 (1.59%) Hortonworks
5 1 (1.59%) Microsoft
5 1 (1.59%) Pega
5 1 (1.59%) ServiceNow