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 4 January 2026, with comparisons to the same periods in the previous two years.

6 months to
4 Jan 2026
Same period 2025 Same period 2024
Rank 527 423 500
Rank change year-on-year -104 +77 +53
Contract jobs citing CentOS 51 111 96
As % of all contract jobs in the UK 0.14% 0.34% 0.22%
As % of the Operating Systems category 1.09% 2.45% 1.51%
Number of daily rates quoted 38 56 63
10th Percentile £459 £351 £380
25th Percentile £500 £444 £400
Median daily rate (50th Percentile) £545 £590 £550
Median % change year-on-year -7.63% +7.27% -15.38%
75th Percentile £622 £738 £588
90th Percentile £644 £750 £611
UK excluding London median daily rate £537 £605 £475
% change year-on-year -11.24% +27.37% -22.45%
Number of hourly rates quoted 0 3 2
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 4,689 4,524 6,375
As % of all contract IT jobs advertised in the UK 12.74% 13.96% 14.82%
Number of daily rates quoted 3,080 2,817 4,337
10th Percentile £175 £200 £180
25th Percentile £263 £317 £300
Median daily rate (50th Percentile) £450 £475 £475
Median % change year-on-year -5.26% - -6.86%
75th Percentile £560 £588 £600
90th Percentile £669 £688 £700
UK excluding London median daily rate £413 £425 £425
% change year-on-year -2.94% - -5.56%
Number of hourly rates quoted 345 172 314
10th Percentile £15.09 £16.25 £14.16
25th Percentile £18.87 £20.94 £17.72
Median hourly rate £25.15 £32.50 £32.50
Median % change year-on-year -22.62% - +30.00%
75th Percentile £63.25 £65.00 £65.00
90th Percentile £69.20 £70.00 £73.75
UK excluding London median hourly rate £25.15 £28.00 £27.50
% change year-on-year -10.18% +1.82% +23.37%

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 4 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 4 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 -107 50 £545 -5.22% 80
UK excluding London -100 33 £537 -11.24% 83
London -24 11 £500 -9.09% 5
East of England - 9 £492 - 13
South West -8 8 £550 +11.39% 10
Work from Home -19 8 £537 +5.29% 72
Yorkshire -50 7 £525 -27.59% 8
North of England -68 7 £525 -27.59% 14
South East -51 5 £503 -12.61% 20
Midlands -49 4 £540 +45.95% 18
West Midlands -49 4 £540 +45.95% 10

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 (5.88%) Apache
1 3 (5.88%) Microsoft Exchange
2 2 (3.92%) Oracle HTTP Server
2 2 (3.92%) Tomcat
2 2 (3.92%) WebLogic
3 1 (1.96%) Apache Spark
3 1 (1.96%) OpenStack
3 1 (1.96%) SharePoint
Applications
1 3 (5.88%) Microsoft Office
Cloud Services
1 15 (29.41%) AWS
2 9 (17.65%) Azure
3 8 (15.69%) GCP
4 6 (11.76%) Amazon ECS
4 6 (11.76%) AWS CloudFormation
4 6 (11.76%) AWS Fargate
4 6 (11.76%) Entra ID
4 6 (11.76%) OpenShift
4 6 (11.76%) Virtual Private Cloud
5 5 (9.80%) GitHub
5 5 (9.80%) npm
6 2 (3.92%) Microsoft 365
7 1 (1.96%) IaaS
Communications & Networking
1 13 (25.49%) DNS
2 5 (9.80%) AMQP
2 5 (9.80%) DHCP
2 5 (9.80%) Firewall
3 4 (7.84%) DKIM
3 4 (7.84%) DMARC
3 4 (7.84%) SAN
3 4 (7.84%) SMTP
3 4 (7.84%) TCP/IP
4 3 (5.88%) Skype
5 2 (3.92%) HTTP
5 2 (3.92%) NAS
5 2 (3.92%) SSL
5 2 (3.92%) VLAN
6 1 (1.96%) Asterisk PBX
6 1 (1.96%) Kerberos
6 1 (1.96%) RTP
6 1 (1.96%) VoIP
6 1 (1.96%) VPN
6 1 (1.96%) VXLAN
Database & Business Intelligence
1 6 (11.76%) MongoDB
1 6 (11.76%) RDBMS
1 6 (11.76%) Relational Database
2 4 (7.84%) Amazon RDS
3 3 (5.88%) Elasticsearch
4 1 (1.96%) Apache Hive
4 1 (1.96%) Hadoop
4 1 (1.96%) Impala
4 1 (1.96%) InfluxDB
Development Applications
1 12 (23.53%) Jenkins
2 11 (21.57%) GitLab
3 10 (19.61%) Git
4 5 (9.80%) Maven
5 4 (7.84%) Terragrunt
General
1 16 (31.37%) Social Skills
2 12 (23.53%) Documentation Skills
3 10 (19.61%) Analytical Skills
4 7 (13.73%) Finance
5 5 (9.80%) Aerospace
5 5 (9.80%) Financial Institution
6 3 (5.88%) Public Sector
7 1 (1.96%) Billing
7 1 (1.96%) Inclusion and Diversity
7 1 (1.96%) Telecoms
Job Titles
1 11 (21.57%) Lead
2 9 (17.65%) Administrator
3 6 (11.76%) DevOps Engineer
4 5 (9.80%) Developer
4 5 (9.80%) Lead DevOps
4 5 (9.80%) Lead DevOps Engineer
4 5 (9.80%) Linux Administrator
4 5 (9.80%) Support Engineer
5 4 (7.84%) Applications Engineer
5 4 (7.84%) Applications Support
5 4 (7.84%) Applications Support Engineer
5 4 (7.84%) Infrastructure Engineer
6 3 (5.88%) AWS DevOps
6 3 (5.88%) AWS DevOps Engineer
6 3 (5.88%) AWS Engineer
6 3 (5.88%) Full-Stack Developer
6 3 (5.88%) Kafka Engineer
6 3 (5.88%) Linux Developer
6 3 (5.88%) Unix Developer
6 3 (5.88%) Wintel Engineer
Libraries, Frameworks & Software Standards
1 10 (19.61%) LDAP
2 7 (13.73%) Kafka
2 7 (13.73%) Keycloak
2 7 (13.73%) Middleware
3 6 (11.76%) cloud-init
3 6 (11.76%) YAML
4 4 (7.84%) AWS CDK
4 4 (7.84%) Node.js
4 4 (7.84%) React
5 3 (5.88%) AngularJS
5 3 (5.88%) CSS
5 3 (5.88%) Electron
5 3 (5.88%) HTML
5 3 (5.88%) JNI
6 1 (1.96%) Apache NiFi
6 1 (1.96%) Django
6 1 (1.96%) FreeSWITCH
6 1 (1.96%) Loki
6 1 (1.96%) OpenID
6 1 (1.96%) REST
Miscellaneous
1 10 (19.61%) Data Centre
2 9 (17.65%) PKI
3 6 (11.76%) Hedge funds
4 5 (9.80%) Legacy Applications
4 5 (9.80%) Management Information System
5 3 (5.88%) SCADA
6 2 (3.92%) Cloud Native
6 2 (3.92%) Distributed Systems
6 2 (3.92%) Hybrid Cloud
6 2 (3.92%) Linux Command Line
7 1 (1.96%) Client/Server
7 1 (1.96%) CUDA
7 1 (1.96%) Enterprise Storage
7 1 (1.96%) Eurex
7 1 (1.96%) Onboarding
7 1 (1.96%) Private Cloud
7 1 (1.96%) Public Cloud
7 1 (1.96%) SWIFT Messaging Network
Operating Systems
1 51 (100.00%) Linux
2 35 (68.63%) Red Hat Enterprise Linux
3 20 (39.22%) Ubuntu
4 13 (25.49%) Unix
5 10 (19.61%) Windows
5 10 (19.61%) Windows Server
6 3 (5.88%) Mac OS
6 3 (5.88%) Oracle Linux
6 3 (5.88%) Windows 10
6 3 (5.88%) Windows Server 2012
7 2 (3.92%) Windows Server 2016
7 2 (3.92%) Windows Server 2019
8 1 (1.96%) Windows Server 2003
Processes & Methodologies
1 24 (47.06%) CI/CD
2 19 (37.25%) Problem-Solving
3 17 (33.33%) DevOps
4 13 (25.49%) Infrastructure as Code
5 12 (23.53%) Continuous Improvement
6 10 (19.61%) Containerisation
6 10 (19.61%) High Availability
7 8 (15.69%) Microservices
7 8 (15.69%) RBAC
7 8 (15.69%) Task Automation
8 7 (13.73%) Infrastructure Engineering
8 7 (13.73%) Load Balancing
8 7 (13.73%) Observability
9 6 (11.76%) ITIL
9 6 (11.76%) ITSM
9 6 (11.76%) Root Cause Analysis
10 5 (9.80%) Disaster Recovery
10 5 (9.80%) Information Management
10 5 (9.80%) Site Reliability Engineering
10 5 (9.80%) Test Automation
Programming Languages
1 29 (56.86%) Python
2 19 (37.25%) Bash
3 15 (29.41%) Shell Script
4 11 (21.57%) Perl
5 9 (17.65%) Java
6 8 (15.69%) PowerShell
7 7 (13.73%) Go
8 6 (11.76%) Ruby
9 5 (9.80%) MATLAB
10 4 (7.84%) C
10 4 (7.84%) JavaScript
10 4 (7.84%) SQL
11 1 (1.96%) C#
Qualifications
1 22 (43.14%) Security Cleared
2 15 (29.41%) SC Cleared
3 12 (23.53%) RHCE
4 7 (13.73%) DV Cleared
5 4 (7.84%) RHCSA
6 3 (5.88%) Degree
6 3 (5.88%) MCSE
6 3 (5.88%) Microsoft Certification
7 2 (3.92%) AWS Certification
7 2 (3.92%) AWS Certified Solutions Architect
8 1 (1.96%) BPSS Clearance
Quality Assurance & Compliance
1 6 (11.76%) NCSC
2 5 (9.80%) SLA
System Software
1 12 (23.53%) Active Directory
2 10 (19.61%) Docker
3 7 (13.73%) VMware Infrastructure
4 5 (9.80%) KVM
5 4 (7.84%) Postfix
6 2 (3.92%) vSphere
7 1 (1.96%) Apache ZooKeeper
7 1 (1.96%) Ceph
7 1 (1.96%) Firmware
7 1 (1.96%) HDFS
7 1 (1.96%) Hyper-V
7 1 (1.96%) QEMU
Systems Management
1 31 (60.78%) Ansible
2 16 (31.37%) Terraform
3 14 (27.45%) Kubernetes
4 10 (19.61%) Puppet
5 9 (17.65%) Grafana
6 7 (13.73%) Red Hat Satellite
7 6 (11.76%) Jamf Pro
7 6 (11.76%) Packer
7 6 (11.76%) Prometheus
8 5 (9.80%) Check_MK
8 5 (9.80%) Podman
9 4 (7.84%) Progress Chef
10 3 (5.88%) WSUS
11 2 (3.92%) Nagios
12 1 (1.96%) Argo
12 1 (1.96%) Hadoop YARN
12 1 (1.96%) HAProxy
12 1 (1.96%) Nessus
12 1 (1.96%) vCenter Server
12 1 (1.96%) VxRail
Vendors
1 29 (56.86%) Red Hat
2 14 (27.45%) VMware
3 13 (25.49%) Oracle
4 9 (17.65%) Splunk
5 6 (11.76%) Okta
6 5 (9.80%) Microsoft
7 2 (3.92%) Cisco
8 1 (1.96%) Bloomberg
8 1 (1.96%) Cloudera
8 1 (1.96%) Dell
8 1 (1.96%) Dialogic
8 1 (1.96%) EMC
8 1 (1.96%) Foundry
8 1 (1.96%) HP
8 1 (1.96%) Metaswitch
8 1 (1.96%) NVIDIA