Period
to 27 October 2020

The following table provides summary statistics for contract job vacancies advertised in the South East 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 27 October 2020 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 > South East
6 months to
27 Oct 2020
Same period 2019 Same period 2018
Rank 135 296 297
Rank change year-on-year +161 +1 -6
Contract jobs citing CentOS 34 44 97
As % of all contract jobs advertised in the South East 0.94% 0.32% 0.59%
As % of the Operating Systems category 4.60% 1.45% 2.82%
Number of daily rates quoted 32 16 63
Median daily rate £510 £450 £450
Median daily rate % change year-on-year +13.33% - +1.12%
10th Percentile £370 £250 £335
90th Percentile £520 £538 £575
England median daily rate £450 £500 £488
% change year-on-year -10.00% +2.56% +2.63%
Number of hourly rates quoted 0 0 1
Median hourly rate - - £60.00
England median hourly rate £37.50 £25.88 £44.58
% change year-on-year +44.93% -41.96% +35.60%

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 South East with a requirement for operating system skills.

All Operating Systems
South East
Contract vacancies with a requirement for operating system skills 739 3,044 3,437
As % of all contract IT jobs advertised in the South East 20.43% 22.25% 20.97%
Number of daily rates quoted 389 1,756 1,846
Median daily rate £410 £400 £400
Median daily rate % change year-on-year +2.50% - -
10th Percentile £155 £147 £163
90th Percentile £571 £575 £575
England median daily rate £445 £425 £433
% change year-on-year +4.71% -1.73% +1.76%
Number of hourly rates quoted 76 240 305
Median hourly rate £25.00 £18.00 £17.50
Median hourly rate % change year-on-year +38.89% +2.86% -
10th Percentile £10.25 £11.79 £11.18
90th Percentile £50.63 £53.88 £51.00
Median hourly rate £19.90 £17.50 £17.50
% change year-on-year +13.71% - -

CentOS
Job Vacancy Trend in the South East

Job postings citing CentOS as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for CentOS in the South East

CentOS
Contractor Daily Rate Trend in the South East

3-month moving average daily rate quoted in jobs citing CentOS in the South East.

Daily rate trend for CentOS in the South East

CentOS
Daily Rate Histogram in the South East

Daily rate distribution for jobs citing CentOS in the South East over the 6 months to 27 October 2020.

Daily rate histogram for CentOS in the South East

CentOS
Contractor Hourly Rate Trend in the South East

3-month moving average hourly rates quoted in jobs citing CentOS in the South East.

Hourly rate trend for CentOS in the South East

CentOS
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the South East region over the 6 months to 27 October 2020. 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
Hampshire +97 29 £510 -2.86% 8
Thames Valley +110 4 £329 +9.50% 2
Berkshire +91 4 £329 +9.50% 2
Kent - 1 £475 - 3
CentOS
England

For the 6 months to 27 October 2020, 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 South East region with a requirement for CentOS.

1 34 (100.00%) Linux
2 27 (79.41%) Configuration Management
2 27 (79.41%) VMware
3 26 (76.47%) Git (software)
3 26 (76.47%) Ansible
3 26 (76.47%) Docker
3 26 (76.47%) Terraform
4 25 (73.53%) Kubernetes
4 25 (73.53%) GitLab
4 25 (73.53%) Continuous Integration
4 25 (73.53%) Red Hat Enterprise Linux
4 25 (73.53%) Puppet
4 25 (73.53%) GitHub
5 24 (70.59%) PowerShell
6 23 (67.65%) Security Cleared
6 23 (67.65%) DevOps
7 22 (64.71%) Infrastructure as Code
7 22 (64.71%) Windows Server 2016
7 22 (64.71%) VMware Infrastructure
7 22 (64.71%) SC Cleared
7 22 (64.71%) Atlassian
7 22 (64.71%) JIRA
7 22 (64.71%) Reverse Proxy
7 22 (64.71%) Jenkins
7 22 (64.71%) vSphere
7 22 (64.71%) Firewall
7 22 (64.71%) Windows
8 21 (61.76%) Opscode Chef
8 21 (61.76%) VLAN
8 21 (61.76%) Atlassian Bamboo

CentOS
Co-occurring IT Skills in the South East 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 5 (14.71%) Apache
2 3 (8.82%) nginx
3 2 (5.88%) GlassFish
3 2 (5.88%) Tomcat
4 1 (2.94%) Oracle SOA Suite
Applications
1 1 (2.94%) Microsoft Office
Business Applications
1 1 (2.94%) Remedy ITSM
Cloud Services
1 25 (73.53%) GitHub
2 5 (14.71%) AWS
3 3 (8.82%) Amazon EKS
3 3 (8.82%) Azure
4 1 (2.94%) IaaS
Communications & Networking
1 22 (64.71%) Firewall
1 22 (64.71%) Reverse Proxy
2 21 (61.76%) VLAN
3 11 (32.35%) SNMP
4 1 (2.94%) Cisco Firepower
4 1 (2.94%) DNS
4 1 (2.94%) SAN
4 1 (2.94%) SSL
4 1 (2.94%) VSAN
Database & Business Intelligence
1 2 (5.88%) PostgreSQL
2 1 (2.94%) MariaDB
2 1 (2.94%) MySQL
2 1 (2.94%) SQL Server
Development Applications
1 26 (76.47%) Git (software)
2 25 (73.53%) GitLab
3 22 (64.71%) Jenkins
3 22 (64.71%) JIRA
4 21 (61.76%) Atlassian Bamboo
5 3 (8.82%) Bitbucket
5 3 (8.82%) Terragrunt
6 1 (2.94%) Subversion
6 1 (2.94%) TeamCity
General
1 2 (5.88%) Telecoms
Job Titles
1 19 (55.88%) DevOps Engineer
2 8 (23.53%) Infrastructure Engineer
3 6 (17.65%) Linux Engineer
4 3 (8.82%) AWS DevOps
4 3 (8.82%) AWS DevOps Engineer
4 3 (8.82%) AWS Engineer
4 3 (8.82%) Consultant
4 3 (8.82%) Linux DevOps Engineer
4 3 (8.82%) Linux/Unix DevOps
4 3 (8.82%) Migration Engineer
5 2 (5.88%) Administrator
5 2 (5.88%) Infrastructure Consultant
5 2 (5.88%) Systems Administrator
5 2 (5.88%) Systems Engineer
6 1 (2.94%) Architect
6 1 (2.94%) Linux Administrator
6 1 (2.94%) OSS Engineer
6 1 (2.94%) Platform Architect
6 1 (2.94%) Technical Leader
6 1 (2.94%) VMware Engineer
Libraries, Frameworks & Software Standards
1 12 (35.29%) REST
2 11 (32.35%) Elastic Stack
2 11 (32.35%) gRPC
2 11 (32.35%) RESTful
2 11 (32.35%) Swagger
3 3 (8.82%) Web Services
4 2 (5.88%) LDAP
5 1 (2.94%) SOAP
5 1 (2.94%) Spring
Miscellaneous
1 4 (11.76%) Public Cloud
2 3 (8.82%) Data Centre
3 2 (5.88%) Analytical Skills
3 2 (5.88%) PKI
4 1 (2.94%) e-Health
4 1 (2.94%) Fat Client
4 1 (2.94%) Hybrid Cloud
4 1 (2.94%) Management Information System
4 1 (2.94%) Replication
4 1 (2.94%) Self-Motivation
4 1 (2.94%) Thin Client
Operating Systems
1 34 (100.00%) Linux
2 25 (73.53%) Red Hat Enterprise Linux
3 22 (64.71%) Windows
3 22 (64.71%) Windows Server 2016
4 21 (61.76%) Windows 10
4 21 (61.76%) Windows Server
5 7 (20.59%) Ubuntu
6 2 (5.88%) Oracle Linux
6 2 (5.88%) Unix
7 1 (2.94%) Solaris
7 1 (2.94%) Windows Server 2012
7 1 (2.94%) Windows Server 2019
Processes & Methodologies
1 27 (79.41%) Configuration Management
2 25 (73.53%) Continuous Integration
3 23 (67.65%) DevOps
4 22 (64.71%) Infrastructure as Code
5 21 (61.76%) Continuous Deployment
6 19 (55.88%) Agile Software Development
7 14 (41.18%) Continuous Delivery
8 13 (38.24%) Systems Engineering
9 11 (32.35%) Microservices
10 8 (23.53%) Infrastructure Engineering
11 5 (14.71%) Migration
12 4 (11.76%) Infrastructure Monitoring
12 4 (11.76%) Scrum
13 3 (8.82%) ITIL
13 3 (8.82%) Performance Tuning
13 3 (8.82%) Product Roadmap
13 3 (8.82%) Test Strategy
14 2 (5.88%) Release Management
14 2 (5.88%) Service Management
14 2 (5.88%) Workflow
Programming Languages
1 24 (70.59%) PowerShell
2 19 (55.88%) Python
3 18 (52.94%) Bash Shell
4 11 (32.35%) C#
4 11 (32.35%) Go
5 3 (8.82%) PHP
5 3 (8.82%) Ruby
6 2 (5.88%) Perl
6 2 (5.88%) SQL
7 1 (2.94%) Java
Qualifications
1 23 (67.65%) Security Cleared
2 22 (64.71%) SC Cleared
3 1 (2.94%) CAPM
3 1 (2.94%) Degree
3 1 (2.94%) PMI Certification
Quality Assurance & Compliance
1 6 (17.65%) SLA
2 1 (2.94%) ISO 9001
2 1 (2.94%) ISO/IEC 27001
2 1 (2.94%) PCI DSS
2 1 (2.94%) Sarbanes-Oxley
System Software
1 26 (76.47%) Docker
2 22 (64.71%) VMware Infrastructure
2 22 (64.71%) vSphere
3 1 (2.94%) Active Directory
3 1 (2.94%) Firmware
3 1 (2.94%) Hyper-V
3 1 (2.94%) Oracle RAC
3 1 (2.94%) Virtual Machines
3 1 (2.94%) VMware NSX
Systems Management
1 26 (76.47%) Ansible
1 26 (76.47%) Terraform
2 25 (73.53%) Kubernetes
2 25 (73.53%) Puppet
3 21 (61.76%) Opscode Chef
3 21 (61.76%) Packer
4 11 (32.35%) Grafana
4 11 (32.35%) Prometheus
4 11 (32.35%) ZABBIX
5 2 (5.88%) Red Hat Satellite
6 1 (2.94%) BMC PATROL
6 1 (2.94%) Cisco Prime
6 1 (2.94%) HAProxy
6 1 (2.94%) McAfee ePO
6 1 (2.94%) Oracle ZFS
6 1 (2.94%) SCCM
6 1 (2.94%) SCOM
6 1 (2.94%) Single Sign-On
6 1 (2.94%) vRealize
Vendors
1 27 (79.41%) VMware
2 22 (64.71%) Atlassian
3 11 (32.35%) Dell
3 11 (32.35%) EMC
3 11 (32.35%) Splunk
4 4 (11.76%) Oracle
4 4 (11.76%) Red Hat
5 3 (8.82%) CheckPoint
5 3 (8.82%) Microsoft
6 2 (5.88%) Cisco
6 2 (5.88%) Juniper
6 2 (5.88%) Remedy
7 1 (2.94%) BMC
7 1 (2.94%) Broadcom
7 1 (2.94%) CA
7 1 (2.94%) Gemalto
7 1 (2.94%) McAfee
7 1 (2.94%) SolarWinds