CentOS Contract Job Trends

CentOS Linux
UK

The table below provides summary statistics and contractor rates for jobs requiring CentOS skills. It covers contract job vacancies from the 6 months leading up to 23 January 2026, with comparisons to the same periods in the previous two years.

6 months to
23 Jan 2026
Same period 2025 Same period 2024
Rank 532 420 490
Rank change year-on-year -112 +70 +27
Contract jobs citing CentOS 52 109 90
As % of all contract jobs in the UK 0.14% 0.34% 0.21%
As % of the Operating Systems category 1.09% 2.44% 1.43%
Number of daily rates quoted 40 52 58
10th Percentile £464 £382 £356
25th Percentile £500 £500 £426
Median daily rate (50th Percentile) £537 £638 £525
Median % change year-on-year -15.76% +21.43% -19.23%
75th Percentile £616 £738 £588
90th Percentile £640 £750 £600
UK excluding London median daily rate £537 £650 £475
% change year-on-year -17.38% +36.84% -24.00%
Number of hourly rates quoted 0 3 3
10th Percentile - £69.91 -
25th Percentile - £85.70 £21.25
Median hourly rate - £112.00 £22.50
Median % change year-on-year - +397.78% -63.41%
75th Percentile - - £23.75
90th Percentile - - -
UK excluding London median hourly rate - £63.79 £22.50
% change year-on-year - +183.49% -62.50%

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 4,787 4,463 6,276
As % of all contract IT jobs advertised in the UK 12.62% 14.08% 14.41%
Number of daily rates quoted 3,175 2,784 4,248
10th Percentile £173 £200 £181
25th Percentile £263 £313 £281
Median daily rate (50th Percentile) £450 £475 £475
Median % change year-on-year -5.26% - -7.77%
75th Percentile £564 £588 £600
90th Percentile £675 £695 £700
UK excluding London median daily rate £413 £425 £425
% change year-on-year -2.94% - -5.56%
Number of hourly rates quoted 335 165 350
10th Percentile £15.00 £16.25 £14.00
25th Percentile £18.69 £21.25 £17.72
Median hourly rate £25.00 £37.50 £30.00
Median % change year-on-year -33.33% +25.00% +20.00%
75th Percentile £60.13 £65.00 £63.75
90th Percentile £70.00 £70.60 £72.63
UK excluding London median hourly rate £23.50 £35.75 £25.25
% change year-on-year -34.27% +41.58% +6.14%

CentOS
Job Vacancy Trend

Historical trend showing the proportion of contract IT job postings citing CentOS relative to all contract IT jobs advertised.

CentOS job vacancy trend in the UK

CentOS
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing CentOS.

Contractor daily rate distribution trend for jobs in the UK citing CentOS

CentOS
Daily Rate Histogram

Daily rate distribution for jobs citing CentOS over the 6 months to 23 January 2026.

Daily rate histogram for CentOS in the UK

CentOS
Hourly Rate Trend

Contractor hourly rate distribution trend for jobs in the UK citing CentOS.

Contractor hourly rate distribution trend for jobs in the UK citing CentOS

CentOS
Top 11 Contract Job 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 23 January 2026. 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 -102 51 £537 -10.50% 25
UK excluding London -107 34 £537 -17.38% 21
London -41 12 £525 -4.55% 7
Yorkshire -52 9 £531 -26.76%
North of England -71 9 £531 -26.76% 1
East of England - 9 £485 - 2
South West -5 8 £588 -12.15% 9
Work from Home -24 7 £537 -2.36% 10
West Midlands -54 4 £540 +45.95% 2
South East -55 4 £500 -13.04% 5
Midlands -56 4 £540 +45.95% 2

CentOS
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 3 (5.77%) Apache
1 3 (5.77%) Microsoft Exchange
2 2 (3.85%) Oracle HTTP Server
2 2 (3.85%) Tomcat
2 2 (3.85%) WebLogic
3 1 (1.92%) Apache Spark
3 1 (1.92%) OpenStack
3 1 (1.92%) SharePoint
Applications
1 3 (5.77%) Microsoft Office
Cloud Services
1 14 (26.92%) AWS
2 10 (19.23%) Azure
3 8 (15.38%) GCP
4 5 (9.62%) Amazon ECS
4 5 (9.62%) AWS CloudFormation
4 5 (9.62%) AWS Fargate
4 5 (9.62%) Entra ID
4 5 (9.62%) GitHub
4 5 (9.62%) OpenShift
4 5 (9.62%) Virtual Private Cloud
5 4 (7.69%) npm
6 2 (3.85%) IaaS
6 2 (3.85%) Microsoft 365
7 1 (1.92%) Azure Key Vault
7 1 (1.92%) PaaS
Communications & Networking
1 13 (25.00%) DNS
2 5 (9.62%) DHCP
2 5 (9.62%) Firewall
3 4 (7.69%) AMQP
3 4 (7.69%) DKIM
3 4 (7.69%) DMARC
3 4 (7.69%) SMTP
3 4 (7.69%) TCP/IP
4 3 (5.77%) SAN
4 3 (5.77%) Skype
5 2 (3.85%) HTTP
5 2 (3.85%) SSL
5 2 (3.85%) VLAN
6 1 (1.92%) Asterisk PBX
6 1 (1.92%) Kerberos
6 1 (1.92%) NAS
6 1 (1.92%) RTP
6 1 (1.92%) VoIP
6 1 (1.92%) VPN
6 1 (1.92%) VXLAN
Database & Business Intelligence
1 5 (9.62%) MongoDB
1 5 (9.62%) RDBMS
1 5 (9.62%) Relational Database
2 4 (7.69%) Amazon RDS
3 3 (5.77%) Elasticsearch
4 1 (1.92%) Apache Hive
4 1 (1.92%) Hadoop
4 1 (1.92%) Impala
Development Applications
1 13 (25.00%) Jenkins
2 12 (23.08%) GitLab
3 11 (21.15%) Git
4 4 (7.69%) Maven
4 4 (7.69%) Terragrunt
5 1 (1.92%) GoCD
5 1 (1.92%) Sonatype Nexus
General
1 17 (32.69%) Social Skills
2 16 (30.77%) Documentation Skills
3 10 (19.23%) Analytical Skills
4 7 (13.46%) Finance
5 5 (9.62%) Aerospace
5 5 (9.62%) Financial Institution
6 2 (3.85%) Public Sector
7 1 (1.92%) Billing
7 1 (1.92%) Telecoms
Job Titles
1 12 (23.08%) Lead
2 11 (21.15%) Administrator
3 7 (13.46%) Linux Administrator
4 5 (9.62%) Developer
4 5 (9.62%) DevOps Engineer
5 4 (7.69%) Applications Engineer
5 4 (7.69%) Applications Support
5 4 (7.69%) Applications Support Engineer
5 4 (7.69%) Architect
5 4 (7.69%) Lead DevOps
5 4 (7.69%) Lead DevOps Engineer
5 4 (7.69%) Support Engineer
6 3 (5.77%) AWS DevOps
6 3 (5.77%) AWS DevOps Engineer
6 3 (5.77%) AWS Engineer
6 3 (5.77%) Infrastructure Architect
6 3 (5.77%) Infrastructure Engineer
6 3 (5.77%) Kafka Engineer
6 3 (5.77%) Linux Developer
6 3 (5.77%) Wintel Engineer
Libraries, Frameworks & Software Standards
1 12 (23.08%) LDAP
2 9 (17.31%) Middleware
3 8 (15.38%) YAML
4 6 (11.54%) Kafka
4 6 (11.54%) Keycloak
5 5 (9.62%) cloud-init
6 4 (7.69%) AWS CDK
6 4 (7.69%) Node.js
6 4 (7.69%) React
7 3 (5.77%) AngularJS
7 3 (5.77%) CSS
7 3 (5.77%) Electron
7 3 (5.77%) HTML
7 3 (5.77%) JNI
8 1 (1.92%) Apache NiFi
8 1 (1.92%) Django
8 1 (1.92%) FreeSWITCH
8 1 (1.92%) Loki
8 1 (1.92%) OpenID
8 1 (1.92%) REST
Miscellaneous
1 11 (21.15%) Data Centre
2 8 (15.38%) PKI
3 6 (11.54%) Hedge funds
3 6 (11.54%) Management Information System
4 5 (9.62%) Legacy Applications
5 3 (5.77%) SCADA
6 2 (3.85%) Cloud Native
6 2 (3.85%) Distributed Systems
6 2 (3.85%) Hybrid Cloud
7 1 (1.92%) Client/Server
7 1 (1.92%) CUDA
7 1 (1.92%) Enterprise Storage
7 1 (1.92%) Eurex
7 1 (1.92%) Onboarding
7 1 (1.92%) Private Cloud
7 1 (1.92%) Public Cloud
7 1 (1.92%) SWIFT Messaging Network
Operating Systems
1 52 (100.00%) Linux
2 39 (75.00%) Red Hat Enterprise Linux
3 21 (40.38%) Ubuntu
4 13 (25.00%) Unix
5 8 (15.38%) Windows
5 8 (15.38%) Windows Server
6 3 (5.77%) Mac OS
6 3 (5.77%) Windows 10
6 3 (5.77%) Windows Server 2012
7 1 (1.92%) Oracle Linux
7 1 (1.92%) Windows Server 2003
7 1 (1.92%) Windows Server 2016
7 1 (1.92%) Windows Server 2019
Processes & Methodologies
1 25 (48.08%) CI/CD
2 19 (36.54%) Problem-Solving
3 18 (34.62%) DevOps
4 14 (26.92%) Continuous Improvement
5 11 (21.15%) Infrastructure as Code
6 10 (19.23%) High Availability
6 10 (19.23%) RBAC
7 9 (17.31%) Containerisation
8 8 (15.38%) ITSM
8 8 (15.38%) Microservices
8 8 (15.38%) Task Automation
9 7 (13.46%) Information Management
9 7 (13.46%) Infrastructure Monitoring
9 7 (13.46%) Load Balancing
10 6 (11.54%) Infrastructure Engineering
11 5 (9.62%) Incident Response
11 5 (9.62%) Observability
11 5 (9.62%) Roadmaps
11 5 (9.62%) Root Cause Analysis
11 5 (9.62%) Site Reliability Engineering
Programming Languages
1 30 (57.69%) Python
2 18 (34.62%) Bash
3 16 (30.77%) Shell Script
4 13 (25.00%) Perl
5 8 (15.38%) Java
5 8 (15.38%) Ruby
6 7 (13.46%) MATLAB
7 6 (11.54%) Go
7 6 (11.54%) PowerShell
8 4 (7.69%) JavaScript
8 4 (7.69%) SQL
9 3 (5.77%) C
10 1 (1.92%) C#
Qualifications
1 24 (46.15%) Security Cleared
2 17 (32.69%) SC Cleared
3 15 (28.85%) RHCE
4 7 (13.46%) DV Cleared
5 4 (7.69%) RHCSA
6 3 (5.77%) Degree
6 3 (5.77%) MCSE
6 3 (5.77%) Microsoft Certification
7 2 (3.85%) AWS Certification
7 2 (3.85%) AWS Certified Solutions Architect
8 1 (1.92%) BPSS Clearance
8 1 (1.92%) RHCA
Quality Assurance & Compliance
1 7 (13.46%) SLA
2 5 (9.62%) NCSC
System Software
1 12 (23.08%) Active Directory
2 9 (17.31%) Docker
3 8 (15.38%) VMware Infrastructure
4 5 (9.62%) KVM
4 5 (9.62%) Postfix
5 2 (3.85%) vSphere
6 1 (1.92%) Apache ZooKeeper
6 1 (1.92%) Ceph
6 1 (1.92%) Firmware
6 1 (1.92%) HDFS
6 1 (1.92%) Hyper-V
6 1 (1.92%) QEMU
6 1 (1.92%) Varnish
Systems Management
1 35 (67.31%) Ansible
2 14 (26.92%) Terraform
3 13 (25.00%) Kubernetes
4 12 (23.08%) Puppet
5 9 (17.31%) Red Hat Satellite
6 7 (13.46%) Check_MK
6 7 (13.46%) Grafana
6 7 (13.46%) Podman
7 5 (9.62%) Jamf Pro
7 5 (9.62%) Packer
7 5 (9.62%) Prometheus
8 4 (7.69%) Progress Chef
9 3 (5.77%) WSUS
10 2 (3.85%) HAProxy
10 2 (3.85%) Nagios
11 1 (1.92%) FreeIPA
11 1 (1.92%) Hadoop YARN
11 1 (1.92%) Kibana
11 1 (1.92%) Nessus
11 1 (1.92%) SCOM
Vendors
1 30 (57.69%) Red Hat
2 16 (30.77%) VMware
3 10 (19.23%) Oracle
4 8 (15.38%) Splunk
5 6 (11.54%) Microsoft
6 5 (9.62%) Okta
7 2 (3.85%) Cisco
8 1 (1.92%) Bloomberg
8 1 (1.92%) Citrix
8 1 (1.92%) Cloudera
8 1 (1.92%) Dell
8 1 (1.92%) Dialogic
8 1 (1.92%) Foundry
8 1 (1.92%) HP
8 1 (1.92%) Metaswitch
8 1 (1.92%) NVIDIA