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 27 March 2026, with comparisons to the same periods in the previous two years.

6 months to
27 Mar 2026
Same period 2025 Same period 2024
Rank 575 433 513
Rank change year-on-year -142 +80 -3
Contract jobs citing CentOS 41 88 81
As % of all contract jobs in the UK 0.093% 0.30% 0.18%
As % of the Operating Systems category 0.86% 2.11% 1.35%
Number of daily rates quoted 36 52 51
10th Percentile £462 £401 £313
25th Percentile £498 £500 £456
Median daily rate (50th Percentile) £531 £650 £501
Median % change year-on-year -18.31% +29.87% -19.92%
75th Percentile £575 £738 £571
90th Percentile £631 £750 £600
UK excluding London median daily rate £531 £650 £463
% change year-on-year -18.31% +40.54% -22.92%
Number of hourly rates quoted 0 1 3
10th Percentile - - -
25th Percentile - £59.39 £21.25
Median hourly rate - £63.79 £22.50
Median % change year-on-year - +183.49% +20.10%
75th Percentile - £68.18 £23.75
90th Percentile - - -
UK excluding London median hourly rate - £63.79 £22.50
% change year-on-year - +183.49% +28.79%

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 4,740 4,166 5,980
As % of all contract IT jobs advertised in the UK 10.75% 14.35% 13.51%
Number of daily rates quoted 3,102 2,785 3,999
10th Percentile £181 £200 £180
25th Percentile £300 £325 £281
Median daily rate (50th Percentile) £450 £475 £457
Median % change year-on-year -5.26% +3.94% -11.26%
75th Percentile £569 £600 £594
90th Percentile £660 £699 £700
UK excluding London median daily rate £425 £450 £438
% change year-on-year -5.56% +2.86% -7.89%
Number of hourly rates quoted 337 161 409
10th Percentile £15.00 £16.67 £12.84
25th Percentile £17.69 £18.50 £15.50
Median hourly rate £23.50 £25.00 £22.00
Median % change year-on-year -6.00% +13.64% -24.14%
75th Percentile £63.50 £63.75 £57.50
90th Percentile £72.80 £68.75 £68.65
UK excluding London median hourly rate £22.81 £24.66 £20.00
% change year-on-year -7.50% +23.30% -24.53%

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 27 March 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 12 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 27 March 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 -152 40 £531 -18.31% 18
UK excluding London -122 33 £531 -18.31% 14
North of England -82 10 £525 -27.59% 4
Yorkshire -58 9 £531 -26.76% 1
East of England - 8 £478 - 1
South West -19 6 £663 - 3
Work from Home -58 5 £539 -2.09% 5
South East -69 5 £525 -8.70% 6
West Midlands -57 4 £540 -
Midlands -66 4 £540 -
London -90 4 £475 -28.30% 5
North West -41 1 £300 -48.94% 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 4 (9.76%) Microsoft Exchange
2 1 (2.44%) Apache
2 1 (2.44%) Apache Spark
2 1 (2.44%) OpenStack
2 1 (2.44%) SharePoint
Applications
1 3 (7.32%) Microsoft Office
Cloud Services
1 5 (12.20%) Azure
2 4 (9.76%) AWS
2 4 (9.76%) OpenShift
3 2 (4.88%) GCP
3 2 (4.88%) Microsoft 365
3 2 (4.88%) npm
4 1 (2.44%) Amazon ECS
4 1 (2.44%) AWS CloudFormation
4 1 (2.44%) AWS Fargate
4 1 (2.44%) Azure Key Vault
4 1 (2.44%) Entra ID
4 1 (2.44%) GitHub
4 1 (2.44%) IaaS
4 1 (2.44%) PaaS
4 1 (2.44%) SaaS
4 1 (2.44%) Virtual Private Cloud
Communications & Networking
1 4 (9.76%) DKIM
1 4 (9.76%) DMARC
1 4 (9.76%) DNS
1 4 (9.76%) SMTP
2 3 (7.32%) Skype
3 2 (4.88%) AMQP
3 2 (4.88%) DHCP
3 2 (4.88%) SAN
4 1 (2.44%) Cisco IOS
4 1 (2.44%) Ethernet
4 1 (2.44%) Firewall
4 1 (2.44%) iSCSI
4 1 (2.44%) Kerberos
4 1 (2.44%) LAN
4 1 (2.44%) RTP
4 1 (2.44%) TCP/IP
4 1 (2.44%) VLAN
4 1 (2.44%) VoIP
4 1 (2.44%) VPN
4 1 (2.44%) WAN
Database & Business Intelligence
1 3 (7.32%) RDBMS
1 3 (7.32%) Relational Database
2 1 (2.44%) Amazon RDS
2 1 (2.44%) Apache Hive
2 1 (2.44%) Hadoop
2 1 (2.44%) Impala
2 1 (2.44%) MongoDB
2 1 (2.44%) MySQL
2 1 (2.44%) PostgreSQL
2 1 (2.44%) SQL Server
Development Applications
1 9 (21.95%) Git
2 8 (19.51%) GitLab
2 8 (19.51%) Jenkins
3 2 (4.88%) Maven
3 2 (4.88%) Robot Framework
4 1 (2.44%) GoCD
4 1 (2.44%) Sonatype Nexus
4 1 (2.44%) Terragrunt
General
1 16 (39.02%) Documentation Skills
2 15 (36.59%) Social Skills
3 6 (14.63%) Analytical Skills
4 5 (12.20%) Aerospace
5 1 (2.44%) Billing
5 1 (2.44%) Organisational Skills
5 1 (2.44%) Telecoms
Job Titles
1 9 (21.95%) Administrator
1 9 (21.95%) Lead
2 7 (17.07%) Linux Administrator
3 3 (7.32%) Linux Engineer
3 3 (7.32%) Wintel Engineer
4 2 (4.88%) Applications Engineer
4 2 (4.88%) Applications Support
4 2 (4.88%) Applications Support Engineer
4 2 (4.88%) Architect
4 2 (4.88%) Infrastructure Engineer
4 2 (4.88%) Support Engineer
4 2 (4.88%) Technical Leader
5 1 (2.44%) AWS Engineer
5 1 (2.44%) Consultant
5 1 (2.44%) Desktop Engineer
5 1 (2.44%) Developer
5 1 (2.44%) DevOps Engineer
5 1 (2.44%) Infrastructure Architect
5 1 (2.44%) Installations Engineer
5 1 (2.44%) Windows Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 12 (29.27%) LDAP
2 8 (19.51%) Middleware
2 8 (19.51%) YAML
3 2 (4.88%) Kafka
4 1 (2.44%) AWS CDK
4 1 (2.44%) cloud-init
4 1 (2.44%) FreeSWITCH
4 1 (2.44%) Keycloak
4 1 (2.44%) Node.js
4 1 (2.44%) REST
Miscellaneous
1 9 (21.95%) Data Centre
2 7 (17.07%) Management Information System
3 6 (14.63%) PKI
4 3 (7.32%) SCADA
5 2 (4.88%) Distributed Systems
5 2 (4.88%) Hybrid Cloud
5 2 (4.88%) Onboarding
5 2 (4.88%) Public Cloud
6 1 (2.44%) Client/Server
6 1 (2.44%) CUDA
6 1 (2.44%) Grid Computing
6 1 (2.44%) Legacy Applications
6 1 (2.44%) Private Cloud
6 1 (2.44%) Video Conferencing
Operating Systems
1 41 (100.00%) Linux
2 34 (82.93%) Red Hat Enterprise Linux
3 21 (51.22%) Ubuntu
4 9 (21.95%) Windows
5 8 (19.51%) Windows Server
6 3 (7.32%) Windows 10
6 3 (7.32%) Windows Server 2012
7 2 (4.88%) Unix
8 1 (2.44%) Android
8 1 (2.44%) Mac OS
8 1 (2.44%) Oracle Linux
8 1 (2.44%) Rocky
8 1 (2.44%) Windows Server 2016
Processes & Methodologies
1 14 (34.15%) CI/CD
1 14 (34.15%) DevOps
2 11 (26.83%) Problem-Solving
3 10 (24.39%) Continuous Improvement
3 10 (24.39%) RBAC
4 9 (21.95%) High Availability
5 8 (19.51%) ITSM
6 7 (17.07%) Information Management
6 7 (17.07%) Infrastructure Monitoring
7 6 (14.63%) Infrastructure Engineering
8 5 (12.20%) ITIL
8 5 (12.20%) Load Balancing
9 4 (9.76%) Change Management
9 4 (9.76%) Incident Response
9 4 (9.76%) SIEM
9 4 (9.76%) Task Automation
9 4 (9.76%) Test Automation
10 3 (7.32%) Critical Thinking
10 3 (7.32%) NsoIT
10 3 (7.32%) Site Reliability Engineering
Programming Languages
1 17 (41.46%) Python
2 10 (24.39%) Shell Script
3 9 (21.95%) Bash
4 8 (19.51%) Perl
4 8 (19.51%) PowerShell
4 8 (19.51%) Ruby
5 7 (17.07%) MATLAB
6 3 (7.32%) SQL
7 2 (4.88%) Java
8 1 (2.44%) Go
Qualifications
1 20 (48.78%) Security Cleared
2 14 (34.15%) SC Cleared
3 10 (24.39%) RHCE
4 6 (14.63%) DV Cleared
5 4 (9.76%) Degree
6 3 (7.32%) MCSE
6 3 (7.32%) Microsoft Certification
7 1 (2.44%) BPSS Clearance
7 1 (2.44%) RHCA
7 1 (2.44%) RHCSA
Quality Assurance & Compliance
1 7 (17.07%) SLA
2 2 (4.88%) NCSC
3 1 (2.44%) HMG Security Policy Framework
3 1 (2.44%) ISO/IEC 27001
3 1 (2.44%) NIST
System Software
1 15 (36.59%) Active Directory
2 5 (12.20%) Postfix
2 5 (12.20%) VMware Infrastructure
3 4 (9.76%) Docker
4 2 (4.88%) vSphere
5 1 (2.44%) Apache ZooKeeper
5 1 (2.44%) Ceph
5 1 (2.44%) Citrix Hypervisor
5 1 (2.44%) Firmware
5 1 (2.44%) GPFS
5 1 (2.44%) HDFS
5 1 (2.44%) Hyper-V
5 1 (2.44%) KVM
5 1 (2.44%) Lustre
5 1 (2.44%) QEMU
5 1 (2.44%) Samba
5 1 (2.44%) Slurm Workload Manager
5 1 (2.44%) Varnish
Systems Management
1 27 (65.85%) Ansible
2 9 (21.95%) Puppet
3 8 (19.51%) Terraform
4 7 (17.07%) Check_MK
4 7 (17.07%) Podman
4 7 (17.07%) Red Hat Satellite
5 5 (12.20%) Kubernetes
6 4 (9.76%) Grafana
7 3 (7.32%) WSUS
8 2 (4.88%) HAProxy
8 2 (4.88%) Jamf Pro
9 1 (2.44%) FreeIPA
9 1 (2.44%) Hadoop YARN
9 1 (2.44%) Kibana
9 1 (2.44%) Nessus
9 1 (2.44%) Packer
9 1 (2.44%) Progress Chef
9 1 (2.44%) Prometheus
9 1 (2.44%) SCOM
9 1 (2.44%) vCenter Server
Vendors
1 22 (53.66%) Red Hat
2 13 (31.71%) VMware
3 10 (24.39%) Microsoft
4 3 (7.32%) Oracle
5 2 (4.88%) Cisco
5 2 (4.88%) Splunk
6 1 (2.44%) Apple
6 1 (2.44%) Citrix
6 1 (2.44%) Cloudera
6 1 (2.44%) Dell
6 1 (2.44%) Dialogic
6 1 (2.44%) D-Link
6 1 (2.44%) Foundry
6 1 (2.44%) HP
6 1 (2.44%) Metaswitch
6 1 (2.44%) NVIDIA
6 1 (2.44%) Okta