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 7 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
7 May 2024
Same period 2023 Same period 2022
Rank 504 494 555
Rank change year-on-year -10 +61 -62
Contract jobs citing CentOS 81 201 306
As % of all contract jobs advertised in the UK 0.19% 0.35% 0.35%
As % of the Operating Systems category 1.42% 2.12% 2.31%
Number of daily rates quoted 55 145 211
10th Percentile £313 £458 £400
25th Percentile £443 £500 £431
Median daily rate (50th Percentile) £500 £625 £550
Median % change year-on-year -20.00% +13.64% +15.79%
75th Percentile £544 £700 £650
90th Percentile £591 £724 £725
UK excluding London median daily rate £325 £584 £556
% change year-on-year -44.33% +4.94% +30.88%
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 5,693 9,494 13,226
As % of all contract IT jobs advertised in the UK 13.29% 16.34% 15.04%
Number of daily rates quoted 3,848 6,655 8,981
10th Percentile £185 £193 £175
25th Percentile £300 £340 £350
Median daily rate (50th Percentile) £470 £510 £500
Median % change year-on-year -7.84% +2.00% +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 389 420 621
10th Percentile £12.70 £14.00 £13.25
25th Percentile £15.25 £17.72 £15.93
Median hourly rate £22.00 £38.50 £22.50
Median % change year-on-year -42.86% +71.11% +26.76%
75th Percentile £60.00 £64.50 £52.50
90th Percentile £70.00 £75.00 £65.00
UK excluding London median hourly rate £22.25 £29.30 £20.00
% change year-on-year -24.06% +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 7 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 7 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 -5 69 £500 -19.96% 48
London +57 42 £510 -21.54% 10
UK excluding London 0 32 £325 -44.33% 39
Work from Home +98 23 £475 -28.68% 25
North of England +10 11 £463 -27.45% 7
Yorkshire +28 8 £463 -17.04% 1
Scotland +42 6 £325 -54.55% 1
South West +1 6 £663 +22.12% 12
Midlands +24 5 £300 -57.14% 5
West Midlands +18 5 £300 -57.14% 2
North West +6 3 - - 6
East of England +2 3 - - 4
Wales +15 1 - - 1
South East -3 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 26 (32.10%) OpenStack
2 12 (14.81%) nginx
3 7 (8.64%) IIS
4 6 (7.41%) Apache
5 4 (4.94%) Apache Solr
6 2 (2.47%) Microsoft Exchange
6 2 (2.47%) SAS
6 2 (2.47%) Traefik
7 1 (1.23%) Confluence
Applications
1 1 (1.23%) Microsoft Office
Cloud Services
1 20 (24.69%) AWS
2 15 (18.52%) Slack
3 12 (14.81%) Amazon EC2
4 9 (11.11%) Virtual Private Cloud
5 7 (8.64%) Amazon S3
5 7 (8.64%) Azure
5 7 (8.64%) GCP
5 7 (8.64%) Route 53
6 5 (6.17%) PaaS
7 4 (4.94%) Amazon ELB
7 4 (4.94%) Amazon Kinesis
7 4 (4.94%) AWS KMS
7 4 (4.94%) WhatsApp
8 3 (3.70%) Amazon CloudWatch
8 3 (3.70%) AWS CloudFormation
8 3 (3.70%) Cloud Computing
8 3 (3.70%) Entra ID
9 2 (2.47%) AWS CodeCommit
9 2 (2.47%) GitHub
9 2 (2.47%) IaaS
Communications & Networking
1 12 (14.81%) DNS
2 7 (8.64%) TCP/IP
3 6 (7.41%) DHCP
3 6 (7.41%) LAN
3 6 (7.41%) WAN
4 5 (6.17%) Asterisk PBX
4 5 (6.17%) VoIP
5 4 (4.94%) Fibre Channel
5 4 (4.94%) HTTPS
5 4 (4.94%) IPsec
5 4 (4.94%) Remote Desktop
5 4 (4.94%) SAN
6 3 (3.70%) Firewall
7 2 (2.47%) Cisco ASA
7 2 (2.47%) VPN
7 2 (2.47%) Wireless
7 2 (2.47%) WLAN
8 1 (1.23%) 4G
8 1 (1.23%) Diameter Protocol
8 1 (1.23%) Skype
Database & Business Intelligence
1 20 (24.69%) Elasticsearch
2 9 (11.11%) Couchbase
2 9 (11.11%) MySQL
2 9 (11.11%) NoSQL
3 8 (9.88%) PostgreSQL
4 5 (6.17%) Amazon RDS
4 5 (6.17%) Data Warehouse
4 5 (6.17%) SQL Server
5 3 (3.70%) MariaDB
6 2 (2.47%) MongoDB
6 2 (2.47%) Relational Database
7 1 (1.23%) Azure SQL Database
7 1 (1.23%) Metadata
7 1 (1.23%) RDBMS
7 1 (1.23%) Redis
Development Applications
1 28 (34.57%) Jenkins
2 8 (9.88%) Git
2 8 (9.88%) GitLab
3 2 (2.47%) JIRA
4 1 (1.23%) Bitbucket
4 1 (1.23%) Sonatype Nexus
4 1 (1.23%) Vagrant
General
1 11 (13.58%) Social Skills
2 6 (7.41%) Finance
2 6 (7.41%) Telecoms
3 4 (4.94%) Legal
4 2 (2.47%) Analytical Skills
4 2 (2.47%) Public Sector
5 1 (1.23%) Aerospace
5 1 (1.23%) Back Office
Job Titles
1 15 (18.52%) DevOps Engineer
2 12 (14.81%) Architect
3 8 (9.88%) Solutions Architect
4 7 (8.64%) Infrastructure Engineer
4 7 (8.64%) Lead
4 7 (8.64%) Linux Engineer
4 7 (8.64%) VMware Architect
5 6 (7.41%) 3rd Line Support
5 6 (7.41%) Support Engineer
5 6 (7.41%) Technical Leader
6 5 (6.17%) Administrator
6 5 (6.17%) Systems Engineer
7 4 (4.94%) Applications Engineer
7 4 (4.94%) Applications Support
7 4 (4.94%) Applications Support Engineer
7 4 (4.94%) DevOps Architect
7 4 (4.94%) Server Administrator
7 4 (4.94%) VMWare Administrator
8 3 (3.70%) Developer
8 3 (3.70%) Network Engineer
Libraries, Frameworks & Software Standards
1 24 (29.63%) Elastic Stack
2 6 (7.41%) JSON
3 5 (6.17%) LAPP Stack
4 4 (4.94%) CSS
4 4 (4.94%) FIX Protocol
4 4 (4.94%) HTML
4 4 (4.94%) HTML5
4 4 (4.94%) LEMP Stack
4 4 (4.94%) RabbitMQ
4 4 (4.94%) YAML
5 2 (2.47%) cloud-init
5 2 (2.47%) CodeIgniter
5 2 (2.47%) Laravel
6 1 (1.23%) Apache NiFi
6 1 (1.23%) ARM Templates
6 1 (1.23%) Kafka
6 1 (1.23%) Lambda Expressions
6 1 (1.23%) Node.js
6 1 (1.23%) React
6 1 (1.23%) Redfish
Miscellaneous
1 15 (18.52%) Onboarding
2 10 (12.35%) Data Centre
3 8 (9.88%) PKI
4 6 (7.41%) Public Cloud
5 5 (6.17%) Management Information System
6 4 (4.94%) Cloud Native
7 2 (2.47%) Clustering
7 2 (2.47%) Linux Command Line
8 1 (1.23%) Distributed Systems
8 1 (1.23%) Hedge funds
8 1 (1.23%) Self-Motivation
8 1 (1.23%) Virtual Team
Operating Systems
1 81 (100.00%) Linux
2 38 (46.91%) Red Hat Enterprise Linux
3 22 (27.16%) Windows
4 18 (22.22%) Windows Server
5 17 (20.99%) Ubuntu
6 10 (12.35%) Windows Server 2016
7 9 (11.11%) Debian
7 9 (11.11%) Windows Server 2012
8 6 (7.41%) Windows Server 2008
9 5 (6.17%) VMS
9 5 (6.17%) Windows Server 2019
10 4 (4.94%) Unix
11 2 (2.47%) Amazon Linux
11 2 (2.47%) Rocky
11 2 (2.47%) Windows 10
12 1 (1.23%) Alpine Linux
12 1 (1.23%) Fedora
Processes & Methodologies
1 35 (43.21%) CI/CD
2 26 (32.10%) DevOps
2 26 (32.10%) Infrastructure as Code
3 23 (28.40%) Agile
4 19 (23.46%) Observability
5 15 (18.52%) Configuration Management
6 9 (11.11%) Migration
6 9 (11.11%) Problem-Solving
7 7 (8.64%) Containerisation
7 7 (8.64%) Disaster Recovery
7 7 (8.64%) Infrastructure Engineering
8 6 (7.41%) Change Control
8 6 (7.41%) Cost Reduction
8 6 (7.41%) Cybersecurity
8 6 (7.41%) Load Balancing
8 6 (7.41%) Microservices
8 6 (7.41%) Task Automation
9 5 (6.17%) Continuous Improvement
9 5 (6.17%) Patch Management
9 5 (6.17%) Site Reliability Engineering
Programming Languages
1 35 (43.21%) Python
2 24 (29.63%) Shell Script
3 23 (28.40%) Bash
4 13 (16.05%) SQL
5 12 (14.81%) PowerShell
6 10 (12.35%) PHP
7 7 (8.64%) Go
8 5 (6.17%) T-SQL
9 2 (2.47%) Java
9 2 (2.47%) Perl
9 2 (2.47%) Ruby
10 1 (1.23%) C
10 1 (1.23%) C++
10 1 (1.23%) Groovy
10 1 (1.23%) JavaScript
10 1 (1.23%) Korn
10 1 (1.23%) Scala
Qualifications
1 14 (17.28%) Security Cleared
2 13 (16.05%) SC Cleared
3 8 (9.88%) Microsoft Certification
4 7 (8.64%) MCSE
5 6 (7.41%) DV Cleared
5 6 (7.41%) MCSA
5 6 (7.41%) RHCT
6 4 (4.94%) Degree
7 2 (2.47%) RHCE
8 1 (1.23%) CEH
8 1 (1.23%) CISSP
8 1 (1.23%) Computer Science Degree
8 1 (1.23%) Linux+ Certification
8 1 (1.23%) LPIC
Quality Assurance & Compliance
1 5 (6.17%) ISO/IEC 27001
1 5 (6.17%) QA
2 4 (4.94%) GDPR
2 4 (4.94%) HIPAA
2 4 (4.94%) NIST
3 3 (3.70%) NCSC
4 1 (1.23%) Cyber Essentials
System Software
1 18 (22.22%) Virtual Machines
2 17 (20.99%) Active Directory
3 15 (18.52%) VMware Infrastructure
4 12 (14.81%) Docker
5 8 (9.88%) KVM
6 6 (7.41%) Hyper-V
7 4 (4.94%) VMware ESXi
7 4 (4.94%) VMware NSX
7 4 (4.94%) VMware Server
7 4 (4.94%) vSphere
8 1 (1.23%) Firmware
8 1 (1.23%) Xen
Systems Management
1 38 (46.91%) Ansible
2 28 (34.57%) Prometheus
3 25 (30.86%) Grafana
4 19 (23.46%) Kibana
4 19 (23.46%) Kubernetes
4 19 (23.46%) logstash
4 19 (23.46%) Terraform
5 10 (12.35%) Puppet
6 8 (9.88%) ZABBIX
7 7 (8.64%) Packer
8 6 (7.41%) Nagios
9 4 (4.94%) Rancher
9 4 (4.94%) vCenter Server
10 3 (3.70%) HAProxy
11 2 (2.47%) Consul
11 2 (2.47%) Docker Swarm
11 2 (2.47%) FortiGate
11 2 (2.47%) Graphite
11 2 (2.47%) linkerd
11 2 (2.47%) Progress Chef
Vendors
1 35 (43.21%) Red Hat
2 23 (28.40%) VMware
3 15 (18.52%) Amdocs
4 10 (12.35%) Microsoft
5 9 (11.11%) Cisco
6 7 (8.64%) Citrix
7 4 (4.94%) Google
7 4 (4.94%) Splunk
8 2 (2.47%) PagerDuty
8 2 (2.47%) Palo Alto
9 1 (1.23%) Oracle
9 1 (1.23%) QinetiQ
9 1 (1.23%) Qualys
9 1 (1.23%) Remedy
9 1 (1.23%) ServiceNow
9 1 (1.23%) Sybase