Period
to 19 November 2017

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 19 November 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.

CentOS Linux
England > North West
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 163 181 223
Rank change year-on-year +18 +42 -46
Contract jobs citing CentOS 36 42 21
As % of all contract IT jobs advertised in the North West 0.64% 0.61% 0.24%
As % of the Operating Systems category 3.20% 2.93% 1.22%
Number of daily rates quoted 25 32 7
North West median daily rate £425 £425 £320
Median daily rate % change year-on-year - +32.81% -20.00%
10th Percentile £368 £332 £282
90th Percentile £538 £571 £403
England median daily rate £458 £463 £425
% change year-on-year -1.08% +8.82% +6.25%
Number of hourly rates quoted 0 0 0
North West median hourly rate - - -
England median hourly rate £32.88 £14.75 £38.00
% change year-on-year +122.88% -61.18% +125.19%

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 1125 1435 1722
As % of all contract IT jobs advertised in the North West 19.92% 21.01% 20.02%
Number of daily rates quoted 693 920 930
North West median daily rate £400 £400 £371
Median daily rate % change year-on-year - +7.74% +14.23%
10th Percentile £160 £187 £170
90th Percentile £550 £525 £515
England median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +6.67%
Number of hourly rates quoted 100 92 184
North West median hourly rate £17.43 £14.50 £15.77
Median hourly rate % change year-on-year +20.21% -8.05% +5.13%
10th Percentile £11.25 £10.91 £10.83
90th Percentile £43.78 £40.00 £38.75
England median hourly rate £17.50 £16.50 £16.50
% change year-on-year +6.06% - +6.45%

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 19 November 2017.

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 19 November 2017. 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 +25 25 £423 -0.59% 8
Lancashire +15 5 £433 +293.18%
Merseyside +4 2 - -
CentOS
England

For the 6 months to 19 November 2017, IT contractor jobs citing CentOS 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 North West region with a requirement for CentOS.

1 36 (100.00%) Linux
2 29 (80.56%) Red Hat
3 24 (66.67%) Python
4 23 (63.89%) Puppet
4 23 (63.89%) DevOps
5 22 (61.11%) Amazon AWS
6 19 (52.78%) Ansible
7 18 (50.00%) Git (software)
7 18 (50.00%) Bash Shell
8 17 (47.22%) Configuration Management
8 17 (47.22%) Docker
8 17 (47.22%) Packer
9 16 (44.44%) Jenkins
10 14 (38.89%) KVM
10 14 (38.89%) LXC
10 14 (38.89%) Debian
10 14 (38.89%) Ubuntu
11 12 (33.33%) Amazon EC2
11 12 (33.33%) AWS Lambda
11 12 (33.33%) Serverless
12 11 (30.56%) Terraform
12 11 (30.56%) Amazon S3
13 10 (27.78%) AWS CloudFormation
14 9 (25.00%) Virtual Private Cloud
14 9 (25.00%) GitLab
14 9 (25.00%) Route 53
15 8 (22.22%) Software Engineering
15 8 (22.22%) Red Hat Enterprise Linux
15 8 (22.22%) Agile Software Development
15 8 (22.22%) Nagios

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 7 (19.44%) nginx
1 7 (19.44%) Tomcat
2 6 (16.67%) SAS
3 5 (13.89%) Apache
4 2 (5.56%) Confluence
5 1 (2.78%) Cloud Foundry
5 1 (2.78%) OpenStack
Cloud Services
1 22 (61.11%) Amazon AWS
2 12 (33.33%) Amazon EC2
2 12 (33.33%) AWS Lambda
2 12 (33.33%) Serverless
3 11 (30.56%) Amazon S3
4 10 (27.78%) AWS CloudFormation
5 9 (25.00%) Route 53
5 9 (25.00%) Virtual Private Cloud
6 6 (16.67%) Amazon CloudWatch
7 5 (13.89%) Amazon ELB
8 4 (11.11%) SaaS
9 2 (5.56%) Amazon ElastiCache
9 2 (5.56%) CloudFront
10 1 (2.78%) Amazon Kinesis
10 1 (2.78%) Amazon SQS
10 1 (2.78%) Cloud Computing
10 1 (2.78%) Microsoft Azure
Communications & Networking
1 6 (16.67%) SAN
1 6 (16.67%) SMTP
1 6 (16.67%) SSL
2 3 (8.33%) SMS
3 1 (2.78%) DNS
Database & Business Intelligence
1 7 (19.44%) MySQL
2 6 (16.67%) Big Data
3 3 (8.33%) MongoDB
4 2 (5.56%) Amazon RDS
4 2 (5.56%) Redis
4 2 (5.56%) SQL Server
5 1 (2.78%) Amazon DynamoDB
Development Applications
1 18 (50.00%) Git (software)
2 16 (44.44%) Jenkins
3 9 (25.00%) GitLab
4 8 (22.22%) Sonatype Nexus
5 3 (8.33%) SonarQube
6 2 (5.56%) Atlassian Bamboo
6 2 (5.56%) JIRA
6 2 (5.56%) Vagrant
7 1 (2.78%) GoCD
General
1 6 (16.67%) Retail
2 2 (5.56%) Finance
Job Titles
1 18 (50.00%) DevOps Engineer
2 9 (25.00%) Linux Engineer
3 8 (22.22%) AWS Engineer
4 7 (19.44%) Software Engineer
5 6 (16.67%) AWS DevOps
5 6 (16.67%) Linux DevOps Engineer
5 6 (16.67%) Linux/Unix DevOps
6 4 (11.11%) AWS DevOps Engineer
7 2 (5.56%) Administrator
7 2 (5.56%) Applications Consultant
7 2 (5.56%) AWS Administrator
7 2 (5.56%) AWS Consultant
7 2 (5.56%) Consultant
7 2 (5.56%) DevOps Consultant
7 2 (5.56%) Lead DevOps
7 2 (5.56%) Lead DevOps Engineer
7 2 (5.56%) Linux Administrator
7 2 (5.56%) Linux Systems Administrator
7 2 (5.56%) Systems Administrator
8 1 (2.78%) Linux Specialist
Libraries, Frameworks & Software Standards
1 6 (16.67%) Software Packaging
2 5 (13.89%) Elastic Stack
3 3 (8.33%) RabbitMQ
4 2 (5.56%) Web Services
5 1 (2.78%) LAMP
5 1 (2.78%) LEMP Stack
Miscellaneous
1 6 (16.67%) PKI
2 2 (5.56%) Data Centre
2 2 (5.56%) Linux Command Line
3 1 (2.78%) Digital Media
Operating Systems
1 36 (100.00%) Linux
2 14 (38.89%) Debian
2 14 (38.89%) Ubuntu
3 8 (22.22%) Red Hat Enterprise Linux
4 3 (8.33%) Unix
5 1 (2.78%) Data ONTAP
5 1 (2.78%) Fedora
Processes & Methodologies
1 23 (63.89%) DevOps
2 17 (47.22%) Configuration Management
3 8 (22.22%) Agile Software Development
3 8 (22.22%) Software Engineering
4 6 (16.67%) Auto-Scaling
5 3 (8.33%) Infrastructure Monitoring
5 3 (8.33%) Scrum
6 2 (5.56%) Continuous Deployment
6 2 (5.56%) Mentoring
6 2 (5.56%) Software Deployment
7 1 (2.78%) Analytics
7 1 (2.78%) Continuous Integration
7 1 (2.78%) Digital Analytics
7 1 (2.78%) Ethical Hacking
7 1 (2.78%) IT Strategy
7 1 (2.78%) Penetration Testing
7 1 (2.78%) People Management
7 1 (2.78%) Performance Management
7 1 (2.78%) Test Automation
7 1 (2.78%) Vulnerability Scanning
Programming Languages
1 24 (66.67%) Python
2 18 (50.00%) Bash Shell
3 3 (8.33%) Perl
4 2 (5.56%) Java
4 2 (5.56%) PHP
4 2 (5.56%) Ruby
4 2 (5.56%) SQL
Qualifications
1 4 (11.11%) Security Cleared
2 2 (5.56%) SC Cleared
Quality Assurance & Compliance
1 1 (2.78%) PCI DSS
System Software
1 17 (47.22%) Docker
2 14 (38.89%) KVM
2 14 (38.89%) LXC
3 6 (16.67%) Active Directory
4 1 (2.78%) VMware Infrastructure
Systems Management
1 23 (63.89%) Puppet
2 19 (52.78%) Ansible
3 17 (47.22%) Packer
4 11 (30.56%) Terraform
5 8 (22.22%) Nagios
6 6 (16.67%) Kubernetes
6 6 (16.67%) Rsyslog
7 5 (13.89%) Opscode Chef
8 3 (8.33%) Grafana
8 3 (8.33%) Icinga
8 3 (8.33%) Prometheus
Vendors
1 29 (80.56%) Red Hat
2 7 (19.44%) VMware
3 4 (11.11%) NetApp
4 3 (8.33%) Black Duck
5 2 (5.56%) New Relic
5 2 (5.56%) SaltStack
6 1 (2.78%) Microsoft
6 1 (2.78%) Splunk