CentOS Linux
UK

The following table provides summary statistics for contract job vacancies 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 15 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
15 May 2024
Same period 2023 Same period 2022
Rank 497 503 566
Rank change year-on-year +6 +63 -68
Contract jobs citing CentOS 76 198 299
As % of all contract jobs advertised in the UK 0.18% 0.35% 0.34%
As % of the Operating Systems category 1.34% 2.14% 2.29%
Number of daily rates quoted 52 141 207
10th Percentile £313 £458 £400
25th Percentile £449 £500 £450
Median daily rate (50th Percentile) £500 £600 £550
Median % change year-on-year -16.67% +9.09% +15.79%
75th Percentile £529 £688 £650
90th Percentile £586 £723 £721
UK excluding London median daily rate £325 £575 £575
% change year-on-year -43.48% - +35.29%
Number of hourly rates quoted 3 2 6
10th Percentile - £17.72 £23.19
25th Percentile £21.25 £18.10 £35.54
Median hourly rate £22.50 £18.74 £69.05
Median % change year-on-year +20.10% -72.87% +278.36%
75th Percentile £23.75 £19.37 -
90th Percentile - £19.75 -
UK excluding London median hourly rate £22.50 £17.47 £69.05
% change year-on-year +28.79% -74.70% +278.36%

All Operating Systems
UK

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 with a requirement for operating system skills.

Contract vacancies with a requirement for operating system skills 5,658 9,258 13,082
As % of all contract IT jobs advertised in the UK 13.30% 16.21% 14.96%
Number of daily rates quoted 3,818 6,479 8,883
10th Percentile £185 £190 £175
25th Percentile £300 £331 £350
Median daily rate (50th Percentile) £470 £501 £500
Median % change year-on-year -6.09% +0.10% +11.11%
75th Percentile £588 £638 £613
90th Percentile £700 £719 £700
UK excluding London median daily rate £450 £475 £425
% change year-on-year -5.26% +11.76% +6.25%
Number of hourly rates quoted 390 404 604
10th Percentile £12.73 £14.25 £13.38
25th Percentile £15.31 £17.97 £16.08
Median hourly rate £22.00 £38.50 £23.00
Median % change year-on-year -42.86% +67.39% +29.50%
75th Percentile £60.56 £64.50 £52.50
90th Percentile £70.00 £75.00 £65.00
UK excluding London median hourly rate £22.50 £29.30 £20.00
% change year-on-year -23.21% +46.50% +21.21%

CentOS
Job Vacancy Trend

Job postings citing CentOS as a proportion of all IT jobs advertised.

Job vacancy trend for CentOS in the UK

CentOS
Contractor Daily Rate Trend

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

Daily rate trend for CentOS in the UK

CentOS
Daily Rate Histogram

Daily rate distribution for jobs citing CentOS over the 6 months to 15 May 2024.

Daily rate histogram for CentOS in the UK

CentOS
Contractor Hourly Rate Trend

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

Hourly rate trend for CentOS in the UK

CentOS
Top 14 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the UK over the 6 months to 15 May 2024. 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
Jobs
England -12 64 £501 -18.29% 46
London +69 37 £510 -21.54% 13
UK excluding London -21 33 £325 -43.48% 37
Work from Home +96 22 £475 -26.41% 27
North of England +9 11 £463 -26.00% 6
Yorkshire +22 8 £463 -17.04% 1
South West +4 7 £575 +5.99% 10
Scotland +43 6 £325 -54.06% 4
Midlands +23 5 £300 -57.14% 4
West Midlands +12 5 £300 -57.14% 2
East of England +9 3 - - 3
North West +5 3 - - 4
Wales +18 1 - -
South East -5 1 - - 10

CentOS
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 23 (30.26%) OpenStack
2 12 (15.79%) nginx
3 7 (9.21%) IIS
4 6 (7.89%) Apache
5 4 (5.26%) Apache Solr
6 3 (3.95%) Microsoft Exchange
7 2 (2.63%) SAS
7 2 (2.63%) Traefik
8 1 (1.32%) Confluence
Applications
1 2 (2.63%) Microsoft Office
Cloud Services
1 17 (22.37%) AWS
2 13 (17.11%) Slack
3 10 (13.16%) Amazon EC2
4 7 (9.21%) Virtual Private Cloud
5 6 (7.89%) GCP
6 5 (6.58%) Amazon S3
6 5 (6.58%) PaaS
6 5 (6.58%) Route 53
7 4 (5.26%) Amazon ELB
7 4 (5.26%) Amazon Kinesis
7 4 (5.26%) AWS KMS
7 4 (5.26%) Azure
7 4 (5.26%) WhatsApp
8 3 (3.95%) Amazon CloudWatch
8 3 (3.95%) AWS CloudFormation
9 2 (2.63%) Amazon ECS
9 2 (2.63%) AWS CodeCommit
9 2 (2.63%) AWS CodeDeploy
9 2 (2.63%) Cloud Computing
9 2 (2.63%) GitHub
Communications & Networking
1 11 (14.47%) DNS
2 7 (9.21%) TCP/IP
3 5 (6.58%) Asterisk PBX
3 5 (6.58%) DHCP
3 5 (6.58%) VoIP
4 4 (5.26%) Fibre Channel
4 4 (5.26%) HTTPS
4 4 (5.26%) IPsec
4 4 (5.26%) LAN
4 4 (5.26%) Remote Desktop
4 4 (5.26%) SAN
4 4 (5.26%) WAN
5 2 (2.63%) Skype
6 1 (1.32%) 3G
6 1 (1.32%) 4G
6 1 (1.32%) Diameter Protocol
6 1 (1.32%) Firewall
6 1 (1.32%) Intrusion Detection
6 1 (1.32%) SSH
6 1 (1.32%) Wireshark
Database & Business Intelligence
1 17 (22.37%) Elasticsearch
2 9 (11.84%) Couchbase
2 9 (11.84%) MySQL
2 9 (11.84%) NoSQL
3 8 (10.53%) PostgreSQL
4 5 (6.58%) Data Warehouse
4 5 (6.58%) SQL Server
5 3 (3.95%) Amazon RDS
5 3 (3.95%) MariaDB
6 2 (2.63%) MongoDB
6 2 (2.63%) Relational Database
7 1 (1.32%) Azure SQL Database
7 1 (1.32%) Metadata
7 1 (1.32%) RDBMS
7 1 (1.32%) Redis
Development Applications
1 25 (32.89%) Jenkins
2 8 (10.53%) Git
2 8 (10.53%) GitLab
3 2 (2.63%) JIRA
4 1 (1.32%) Bitbucket
4 1 (1.32%) Sonatype Nexus
4 1 (1.32%) Vagrant
General
1 12 (15.79%) Social Skills
2 6 (7.89%) Finance
2 6 (7.89%) Telecoms
3 4 (5.26%) Legal
4 2 (2.63%) Analytical Skills
4 2 (2.63%) Public Sector
5 1 (1.32%) Aerospace
5 1 (1.32%) Back Office
Job Titles
1 15 (19.74%) DevOps Engineer
2 10 (13.16%) Architect
3 7 (9.21%) Infrastructure Engineer
3 7 (9.21%) Linux Engineer
3 7 (9.21%) Solutions Architect
3 7 (9.21%) VMware Architect
4 6 (7.89%) 3rd Line Support
4 6 (7.89%) Lead
4 6 (7.89%) Support Engineer
5 5 (6.58%) Administrator
5 5 (6.58%) Systems Engineer
5 5 (6.58%) Technical Leader
6 4 (5.26%) Applications Engineer
6 4 (5.26%) Applications Support
6 4 (5.26%) Applications Support Engineer
6 4 (5.26%) Server Administrator
6 4 (5.26%) VMWare Administrator
7 3 (3.95%) Azure Engineer
7 3 (3.95%) Developer
7 3 (3.95%) DevOps Architect
Libraries, Frameworks & Software Standards
1 21 (27.63%) Elastic Stack
2 6 (7.89%) JSON
3 5 (6.58%) LAPP Stack
4 4 (5.26%) CSS
4 4 (5.26%) FIX Protocol
4 4 (5.26%) HTML
4 4 (5.26%) HTML5
4 4 (5.26%) LEMP Stack
4 4 (5.26%) RabbitMQ
4 4 (5.26%) YAML
5 2 (2.63%) cloud-init
5 2 (2.63%) CodeIgniter
5 2 (2.63%) Laravel
6 1 (1.32%) Apache NiFi
6 1 (1.32%) ARM Templates
6 1 (1.32%) Kafka
6 1 (1.32%) Lambda Expressions
6 1 (1.32%) LDAP
6 1 (1.32%) Node.js
6 1 (1.32%) Redfish
Miscellaneous
1 14 (18.42%) Onboarding
2 10 (13.16%) Data Centre
3 9 (11.84%) PKI
4 5 (6.58%) Management Information System
4 5 (6.58%) Public Cloud
5 4 (5.26%) Cloud Native
6 2 (2.63%) Clustering
6 2 (2.63%) Linux Command Line
7 1 (1.32%) Distributed Systems
7 1 (1.32%) Hedge funds
7 1 (1.32%) Self-Motivation
7 1 (1.32%) Virtual Team
Operating Systems
1 76 (100.00%) Linux
2 35 (46.05%) Red Hat Enterprise Linux
3 20 (26.32%) Windows
4 17 (22.37%) Windows Server
5 15 (19.74%) Ubuntu
6 10 (13.16%) Windows Server 2016
7 9 (11.84%) Debian
8 8 (10.53%) Windows Server 2012
9 6 (7.89%) Windows Server 2008
10 5 (6.58%) VMS
11 4 (5.26%) Unix
11 4 (5.26%) Windows Server 2019
12 2 (2.63%) Amazon Linux
12 2 (2.63%) Rocky
12 2 (2.63%) Windows 10
13 1 (1.32%) Alpine Linux
13 1 (1.32%) Fedora
Processes & Methodologies
1 32 (42.11%) CI/CD
2 24 (31.58%) DevOps
3 21 (27.63%) Infrastructure as Code
4 19 (25.00%) Agile
5 16 (21.05%) Observability
6 15 (19.74%) Configuration Management
7 8 (10.53%) Problem-Solving
8 7 (9.21%) Containerisation
8 7 (9.21%) Migration
9 6 (7.89%) Cost Reduction
9 6 (7.89%) Disaster Recovery
9 6 (7.89%) Load Balancing
9 6 (7.89%) Microservices
9 6 (7.89%) Task Automation
10 5 (6.58%) Continuous Improvement
10 5 (6.58%) Infrastructure Engineering
10 5 (6.58%) Patch Management
10 5 (6.58%) Site Reliability Engineering
11 4 (5.26%) Change Control
11 4 (5.26%) SDLC
Programming Languages
1 32 (42.11%) Python
2 23 (30.26%) Bash
3 21 (27.63%) Shell Script
4 14 (18.42%) SQL
5 13 (17.11%) PowerShell
6 10 (13.16%) PHP
7 7 (9.21%) Go
8 5 (6.58%) T-SQL
9 2 (2.63%) Java
9 2 (2.63%) Perl
9 2 (2.63%) Ruby
10 1 (1.32%) C
10 1 (1.32%) C++
10 1 (1.32%) Groovy
10 1 (1.32%) JavaScript
10 1 (1.32%) Korn
10 1 (1.32%) Scala
Qualifications
1 13 (17.11%) Security Cleared
2 12 (15.79%) SC Cleared
3 8 (10.53%) MCSE
3 8 (10.53%) Microsoft Certification
4 6 (7.89%) DV Cleared
4 6 (7.89%) MCSA
4 6 (7.89%) RHCT
5 4 (5.26%) Degree
6 1 (1.32%) CEH
6 1 (1.32%) CISSP
6 1 (1.32%) Computer Science Degree
6 1 (1.32%) Linux+ Certification
6 1 (1.32%) LPIC
6 1 (1.32%) RHCE
Quality Assurance & Compliance
1 5 (6.58%) QA
2 4 (5.26%) GDPR
2 4 (5.26%) HIPAA
2 4 (5.26%) ISO/IEC 27001
2 4 (5.26%) NIST
3 2 (2.63%) NCSC
System Software
1 15 (19.74%) Active Directory
1 15 (19.74%) Virtual Machines
1 15 (19.74%) VMware Infrastructure
2 12 (15.79%) Docker
3 8 (10.53%) KVM
4 6 (7.89%) Hyper-V
5 4 (5.26%) VMware ESXi
5 4 (5.26%) VMware NSX
5 4 (5.26%) VMware Server
5 4 (5.26%) vSphere
6 1 (1.32%) Firmware
6 1 (1.32%) Xen
Systems Management
1 33 (43.42%) Ansible
2 25 (32.89%) Prometheus
3 22 (28.95%) Grafana
4 19 (25.00%) Kubernetes
5 17 (22.37%) Terraform
6 16 (21.05%) Kibana
6 16 (21.05%) logstash
7 8 (10.53%) Puppet
7 8 (10.53%) ZABBIX
8 7 (9.21%) Packer
9 6 (7.89%) Nagios
10 4 (5.26%) Rancher
10 4 (5.26%) vCenter Server
11 3 (3.95%) HAProxy
12 2 (2.63%) Consul
12 2 (2.63%) Docker Swarm
12 2 (2.63%) Graphite
12 2 (2.63%) linkerd
12 2 (2.63%) Progress Chef
12 2 (2.63%) WSUS
Vendors
1 33 (43.42%) Red Hat
2 23 (30.26%) VMware
3 13 (17.11%) Amdocs
4 10 (13.16%) Microsoft
5 7 (9.21%) Cisco
5 7 (9.21%) Citrix
6 4 (5.26%) Google
6 4 (5.26%) Splunk
7 2 (2.63%) PagerDuty
8 1 (1.32%) Oracle
8 1 (1.32%) Qualys
8 1 (1.32%) Remedy
8 1 (1.32%) ServiceNow
8 1 (1.32%) Sybase