CentOS Contracts

CentOS Linux
UK

The table below provides summary statistics for contract job vacancies requiring CentOS skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited CentOS over the 6 months leading up to 30 April 2025, comparing them to the same period in the previous two years.

6 months to
30 Apr 2025
Same period 2024 Same period 2023
Rank 444 520 506
Rank change year-on-year +76 -14 +46
Contract jobs citing CentOS 75 80 207
As % of all contract jobs advertised in the UK 0.26% 0.18% 0.35%
As % of the Operating Systems category 1.84% 1.38% 2.13%
Number of daily rates quoted 50 53 151
10th Percentile £399 £313 £458
25th Percentile £481 £456 £503
Median daily rate (50th Percentile) £650 £500 £625
Median % change year-on-year +30.00% -20.00% +13.64%
75th Percentile £738 £538 £700
90th Percentile £750 £588 £723
UK excluding London median daily rate £650 £394 £584
% change year-on-year +65.08% -32.55% +3.78%
Number of hourly rates quoted 0 3 2
10th Percentile - - £17.72
25th Percentile - £21.25 £18.10
Median hourly rate - £22.50 £18.74
Median % change year-on-year - +20.10% -72.87%
75th Percentile - £23.75 £19.37
90th Percentile - - £19.75
UK excluding London median hourly rate - £22.50 £17.47
% change year-on-year - +28.79% -74.70%

All Operating Systems
UK

CentOS falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring operating system skills.

Contract vacancies with a requirement for operating system skills 4,075 5,812 9,696
As % of all contract IT jobs advertised in the UK 13.94% 13.33% 16.25%
Number of daily rates quoted 2,687 3,913 6,831
10th Percentile £200 £183 £190
25th Percentile £319 £300 £331
Median daily rate (50th Percentile) £475 £468 £505
Median % change year-on-year +1.50% -7.33% +1.00%
75th Percentile £594 £588 £638
90th Percentile £699 £700 £719
UK excluding London median daily rate £450 £450 £475
% change year-on-year - -5.26% +11.76%
Number of hourly rates quoted 177 397 416
10th Percentile £16.25 £12.75 £14.25
25th Percentile £18.13 £15.50 £17.75
Median hourly rate £24.18 £22.00 £39.30
Median % change year-on-year +9.91% -44.02% +74.67%
75th Percentile £62.50 £60.00 £65.00
90th Percentile £68.00 £70.00 £75.00
UK excluding London median hourly rate £23.00 £22.00 £31.25
% change year-on-year +4.55% -29.60% +56.25%

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 30 April 2025.

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 15 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 30 April 2025. 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 +64 69 £650 +28.65% 47
UK excluding London +66 41 £650 +65.08% 40
London +22 31 £560 +9.80% 14
North of England +40 23 £725 +56.76% 15
Work from Home +47 19 £555 +16.84% 51
Yorkshire +20 13 £725 +56.76% 4
South East +53 12 £575 - 6
North West +16 8 £588 - 11
Midlands +25 3 - - 3
West Midlands +16 2 - - 2
North East - 2 £750 -
South West +41 1 £425 -43.33% 8
Wales +5 1 - - 1
Scotland +4 1 £685 +110.77% 4
East Midlands - 1 - -

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 13 (17.33%) nginx
2 12 (16.00%) Traefik
3 4 (5.33%) Apache
3 4 (5.33%) Confluence
4 2 (2.67%) IIS
4 2 (2.67%) Microsoft Exchange
4 2 (2.67%) Tomcat
5 1 (1.33%) JBoss
5 1 (1.33%) WebLogic
5 1 (1.33%) WebSphere
Business Applications
1 3 (4.00%) Fidessa
Cloud Services
1 46 (61.33%) AWS
2 29 (38.67%) AWS CloudFormation
3 17 (22.67%) Virtual Private Cloud
4 16 (21.33%) Amazon ECS
4 16 (21.33%) Azure
5 15 (20.00%) Amazon CloudWatch
5 15 (20.00%) AWS Fargate
6 14 (18.67%) Entra ID
7 8 (10.67%) SaaS
8 7 (9.33%) Amazon S3
8 7 (9.33%) Microsoft 365
8 7 (9.33%) OpenShift
9 4 (5.33%) Amazon EC2
9 4 (5.33%) GitHub
10 3 (4.00%) GCP
10 3 (4.00%) Nutanix
11 2 (2.67%) PaaS
12 1 (1.33%) Amazon SQS
12 1 (1.33%) IaaS
12 1 (1.33%) Route 53
Communications & Networking
1 28 (37.33%) DNS
2 20 (26.67%) TCP/IP
3 11 (14.67%) DHCP
4 10 (13.33%) Firewall
5 8 (10.67%) SAN
6 5 (6.67%) VPN
7 3 (4.00%) FIX Connectivity
7 3 (4.00%) HTTP
7 3 (4.00%) NAS
7 3 (4.00%) OpenLDAP
7 3 (4.00%) SSL
7 3 (4.00%) VLAN
7 3 (4.00%) Wireshark
8 2 (2.67%) BGP
8 2 (2.67%) Ethernet VPN
8 2 (2.67%) FCoE
8 2 (2.67%) Fibre Channel
8 2 (2.67%) iSCSI
8 2 (2.67%) MPLS
8 2 (2.67%) Network Security
Database & Business Intelligence
1 19 (25.33%) MongoDB
2 7 (9.33%) SQL Server
3 4 (5.33%) MySQL
4 3 (4.00%) Big Data
4 3 (4.00%) Elasticsearch
4 3 (4.00%) MariaDB
4 3 (4.00%) PostgreSQL
5 2 (2.67%) NoSQL
6 1 (1.33%) Amazon Aurora
6 1 (1.33%) Amazon RDS
6 1 (1.33%) Amazon Redshift
6 1 (1.33%) Oracle Database
Development Applications
1 37 (49.33%) Jenkins
2 33 (44.00%) GitLab
3 8 (10.67%) Git
3 8 (10.67%) JIRA
4 5 (6.67%) SonarQube
4 5 (6.67%) Sonatype Nexus
5 3 (4.00%) Bitbucket
6 2 (2.67%) Maven
7 1 (1.33%) Atlassian Bamboo
General
1 12 (16.00%) Public Sector
2 7 (9.33%) Finance
3 6 (8.00%) Banking
3 6 (8.00%) Military
4 4 (5.33%) Social Skills
5 3 (4.00%) Law
5 3 (4.00%) Legal
6 1 (1.33%) Analytical Skills
6 1 (1.33%) Inclusion and Diversity
Job Titles
1 33 (44.00%) Senior
2 26 (34.67%) DevOps Engineer
3 22 (29.33%) Senior DevOps
4 16 (21.33%) Senior DevOps Engineer
5 8 (10.67%) Infrastructure Engineer
6 7 (9.33%) Linux Engineer
6 7 (9.33%) Senior Infrastructure Engineer
7 6 (8.00%) Administrator
8 4 (5.33%) Architect
8 4 (5.33%) Lead
8 4 (5.33%) Lead DevOps
8 4 (5.33%) Lead DevOps Engineer
8 4 (5.33%) Network Engineer
9 3 (4.00%) Analyst
9 3 (4.00%) Applications Support
9 3 (4.00%) AWS DevOps
9 3 (4.00%) FIX Support Analyst
9 3 (4.00%) Linux/Unix DevOps
9 3 (4.00%) Solutions Architect
9 3 (4.00%) Systems Engineer
Libraries, Frameworks & Software Standards
1 24 (32.00%) cloud-init
2 16 (21.33%) Kafka
3 14 (18.67%) Keycloak
4 4 (5.33%) YAML
5 3 (4.00%) .NET
5 3 (4.00%) Apache NiFi
5 3 (4.00%) ASP.NET
5 3 (4.00%) ASP.NET Core
5 3 (4.00%) CSS
5 3 (4.00%) FIX Protocol
5 3 (4.00%) HTML
5 3 (4.00%) RabbitMQ
6 2 (2.67%) JSON
6 2 (2.67%) LDAP
6 2 (2.67%) NETCONF
6 2 (2.67%) REST
6 2 (2.67%) RESTCONF
6 2 (2.67%) SOAP
6 2 (2.67%) XML
6 2 (2.67%) YANG
Miscellaneous
1 14 (18.67%) PKI
2 10 (13.33%) Hybrid Cloud
2 10 (13.33%) Public Cloud
3 3 (4.00%) Data Centre
3 3 (4.00%) Eurex
3 3 (4.00%) Private Cloud
4 2 (2.67%) Clustering
4 2 (2.67%) Cyber Threat
5 1 (1.33%) Bitcoin
5 1 (1.33%) Derivative
5 1 (1.33%) e-Learning
5 1 (1.33%) Equities
5 1 (1.33%) Fixed Income
5 1 (1.33%) Foreign Exchange (FX)
5 1 (1.33%) Linux Command Line
Operating Systems
1 75 (100.00%) Linux
2 40 (53.33%) Red Hat Enterprise Linux
3 36 (48.00%) Unix
4 25 (33.33%) Windows
5 23 (30.67%) Ubuntu
6 15 (20.00%) Windows Server
7 10 (13.33%) Windows Server 2016
8 6 (8.00%) Solaris
9 5 (6.67%) AIX
9 5 (6.67%) HPUX
9 5 (6.67%) Rocky
10 3 (4.00%) Debian
10 3 (4.00%) SUSE
11 2 (2.67%) Fedora
11 2 (2.67%) Mac OS
12 1 (1.33%) Amazon Linux
12 1 (1.33%) Oracle Linux
12 1 (1.33%) Windows 10
12 1 (1.33%) Windows 8
12 1 (1.33%) Windows Server 2012
Processes & Methodologies
1 45 (60.00%) DevOps
2 36 (48.00%) CI/CD
3 30 (40.00%) Infrastructure as Code
4 23 (30.67%) Agile
5 21 (28.00%) Continuous Integration
6 15 (20.00%) Cloud Security
6 15 (20.00%) Observability
6 15 (20.00%) Secrets Management
7 14 (18.67%) Dynamic Application Security Testing
7 14 (18.67%) Identity Management
7 14 (18.67%) Static Application Security Testing
8 12 (16.00%) Mobile Device Management
9 11 (14.67%) High Availability
9 11 (14.67%) Infrastructure Engineering
10 10 (13.33%) Configuration Management
10 10 (13.33%) DevSecOps
11 8 (10.67%) Problem-Solving
12 7 (9.33%) Application Packaging
12 7 (9.33%) Change Control
13 6 (8.00%) Problem Management
Programming Languages
1 49 (65.33%) Python
2 43 (57.33%) Bash
3 26 (34.67%) Go
4 8 (10.67%) Perl
4 8 (10.67%) PowerShell
4 8 (10.67%) Shell Script
5 7 (9.33%) SQL
6 4 (5.33%) JavaScript
7 3 (4.00%) C#
8 1 (1.33%) Korn
8 1 (1.33%) PHP
8 1 (1.33%) Ruby
Qualifications
1 41 (54.67%) Security Cleared
2 32 (42.67%) SC Cleared
3 17 (22.67%) AWS Certification
4 6 (8.00%) DV Cleared
5 1 (1.33%) BPSS Clearance
Quality Assurance & Compliance
1 15 (20.00%) NCSC
2 2 (2.67%) NIST
2 2 (2.67%) PCI DSS
2 2 (2.67%) SLA
3 1 (1.33%) Disclosure Scotland
3 1 (1.33%) GDPR
3 1 (1.33%) QA
System Software
1 20 (26.67%) VMware Infrastructure
2 11 (14.67%) Docker
3 10 (13.33%) vSphere
4 9 (12.00%) Active Directory
5 3 (4.00%) KVM
5 3 (4.00%) vCloud
5 3 (4.00%) VMware Workstation
6 2 (2.67%) VMware ESXi
6 2 (2.67%) VMware NSX
7 1 (1.33%) Firmware
Systems Management
1 43 (57.33%) Terraform
2 38 (50.67%) Kubernetes
3 31 (41.33%) Ansible
4 28 (37.33%) Packer
5 20 (26.67%) ZABBIX
6 19 (25.33%) Prometheus
7 16 (21.33%) Grafana
8 15 (20.00%) Puppet
9 14 (18.67%) Consul
9 14 (18.67%) Istio
9 14 (18.67%) Jamf Pro
9 14 (18.67%) linkerd
9 14 (18.67%) Rancher
10 13 (17.33%) HAProxy
11 9 (12.00%) Nessus
12 7 (9.33%) Progress Chef
12 7 (9.33%) vCenter Server
13 6 (8.00%) Nagios
14 3 (4.00%) Kibana
14 3 (4.00%) Red Hat Satellite
Vendors
1 35 (46.67%) Red Hat
2 22 (29.33%) VMware
3 14 (18.67%) Okta
3 14 (18.67%) Splunk
4 12 (16.00%) Apple
4 12 (16.00%) ESET
5 11 (14.67%) Microsoft
6 4 (5.33%) Cisco
6 4 (5.33%) Dell
6 4 (5.33%) Oracle
6 4 (5.33%) SolarWinds
7 3 (4.00%) Bloomberg
7 3 (4.00%) CQG
7 3 (4.00%) F5
7 3 (4.00%) Hitachi
7 3 (4.00%) HP
7 3 (4.00%) ION Trading
7 3 (4.00%) Patsystems
7 3 (4.00%) Reuters
7 3 (4.00%) Trayport