CentOS Linux
UK

The following table provides summary statistics for permanent job vacancies with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 6 months to 2 June 2024 with a comparison to the same period in the previous 2 years.

6 months to
2 Jun 2024
Same period 2023 Same period 2022
Rank 581 672 690
Rank change year-on-year +91 +18 -202
Permanent jobs citing CentOS 344 282 671
As % of all permanent jobs advertised in the UK 0.33% 0.30% 0.40%
As % of the Operating Systems category 2.44% 1.82% 2.11%
Number of salaries quoted 205 225 378
10th Percentile £36,000 £41,250 £32,500
25th Percentile £41,250 £45,000 £42,500
Median annual salary (50th Percentile) £50,000 £55,000 £50,000
Median % change year-on-year -9.09% +10.00% -9.09%
75th Percentile £71,000 £71,175 £66,250
90th Percentile £92,000 £85,000 £82,500
UK excluding London median annual salary £48,000 £50,000 £47,500
% change year-on-year -4.00% +5.26% -3.06%

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 permanent job vacancies with a requirement for operating system skills.

Permanent vacancies with a requirement for operating system skills 14,112 15,500 31,737
As % of all permanent jobs advertised in the UK 13.41% 16.35% 18.77%
Number of salaries quoted 10,734 10,456 16,364
10th Percentile £26,000 £27,000 £26,250
25th Percentile £31,250 £35,000 £35,500
Median annual salary (50th Percentile) £45,000 £52,500 £52,500
Median % change year-on-year -14.29% - +5.00%
75th Percentile £62,500 £71,250 £71,250
90th Percentile £80,000 £91,250 £87,500
UK excluding London median annual salary £42,500 £45,000 £45,000
% change year-on-year -5.56% - -

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
Salary Trend

3-month moving average salary quoted in jobs citing CentOS.

Salary trend for CentOS in the UK

CentOS
Salary Histogram

Salary distribution for jobs citing CentOS over the 6 months to 2 June 2024.

Salary histogram for CentOS in the UK

CentOS
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the UK over the 6 months to 2 June 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England +124 322 £50,000 -9.09% 47
UK excluding London +35 263 £48,000 -4.00% 36
South East +19 104 £47,500 +5.56% 13
Work from Home +14 95 £50,000 -16.67% 19
South West +18 89 £48,500 -3.00% 3
London +96 73 £85,000 +40.50% 16
Midlands +8 33 £46,250 -15.91% 3
East Midlands -2 19 £50,000 -13.04% 1
North of England +12 18 £37,500 -21.05% 9
West Midlands -4 14 £30,000 -42.86% 2
North West -19 13 £57,500 +21.05% 6
Scotland -65 6 £48,500 -3.00% 3
Yorkshire +48 5 £30,000 -60.00% 1
Wales +8 4 £50,000 +11.11% 3
Isle of Man - 4 £43,000 -
Northern Ireland - 4 £52,500 - 1
East of England -12 1 - - 2

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 38 (11.05%) Apache
2 29 (8.43%) Apache Spark
3 28 (8.14%) Microsoft Exchange
4 14 (4.07%) nginx
5 7 (2.03%) OpenStack
6 6 (1.74%) IIS
7 2 (0.58%) Confluence
7 2 (0.58%) SharePoint
8 1 (0.29%) Tomcat
Applications
1 20 (5.81%) Simulink
2 2 (0.58%) CATIA
2 2 (0.58%) Microsoft Office
2 2 (0.58%) NASTRAN
Business Applications
1 17 (4.94%) Fidessa
2 5 (1.45%) Oracle Cash Management
3 2 (0.58%) Teamcenter
Cloud Services
1 155 (45.06%) Azure
2 98 (28.49%) AWS
3 51 (14.83%) OpenShift
4 49 (14.24%) Azure DevOps
5 42 (12.21%) Microsoft 365
6 41 (11.92%) GCP
7 40 (11.63%) IBM Cloud
8 30 (8.72%) Amazon EKS
8 30 (8.72%) AWS Lambda
8 30 (8.72%) Serverless
9 29 (8.43%) AWS CloudFormation
10 18 (5.23%) Entra ID
11 14 (4.07%) SaaS
12 8 (2.33%) Cloud Computing
13 6 (1.74%) Azure Sentinel
14 5 (1.45%) Amazon S3
15 3 (0.87%) Datadog
15 3 (0.87%) PaaS
15 3 (0.87%) Stackdriver
16 1 (0.29%) Virtual Private Cloud
Communications & Networking
1 44 (12.79%) DNS
2 38 (11.05%) Firewall
3 37 (10.76%) DHCP
4 33 (9.59%) TCP/IP
5 29 (8.43%) AMQP
6 25 (7.27%) WAN
7 24 (6.98%) LAN
8 18 (5.23%) VPN
9 17 (4.94%) FIX Connectivity
10 14 (4.07%) SAN
11 12 (3.49%) BGP
12 11 (3.20%) Ethernet VPN
12 11 (3.20%) MPLS
13 9 (2.62%) HTTPS
14 8 (2.33%) SSL
15 6 (1.74%) NAS
15 6 (1.74%) OpenVPN
15 6 (1.74%) SNMP
16 4 (1.16%) Fibre Channel
16 4 (1.16%) Remote Desktop
Database & Business Intelligence
1 46 (13.37%) MongoDB
2 45 (13.08%) SQL Server
3 32 (9.30%) NoSQL
4 31 (9.01%) Big Data
4 31 (9.01%) Hadoop
5 29 (8.43%) Cloudera CDH
6 17 (4.94%) PostgreSQL
7 14 (4.07%) MySQL
8 7 (2.03%) Ingres
9 6 (1.74%) InfluxDB
10 5 (1.45%) MariaDB
11 2 (0.58%) Elasticsearch
11 2 (0.58%) RDBMS
11 2 (0.58%) Relational Database
12 1 (0.29%) Amazon RDS
Development Applications
1 57 (16.57%) Git
2 30 (8.72%) Vagrant
3 20 (5.81%) JIRA
4 16 (4.65%) Jenkins
5 12 (3.49%) GitLab
6 2 (0.58%) Subversion
7 1 (0.29%) Atlassian Bamboo
7 1 (0.29%) Bitbucket
7 1 (0.29%) Robot Framework
General
1 94 (27.33%) Finance
2 42 (12.21%) Public Sector
3 32 (9.30%) Aerospace
3 32 (9.30%) Banking
4 30 (8.72%) Social Skills
5 28 (8.14%) Telecoms
6 20 (5.81%) Analytical Skills
7 15 (4.36%) Financial Institution
8 8 (2.33%) Law
9 5 (1.45%) Retail
10 4 (1.16%) Presentation Skills
11 2 (0.58%) Documentation Skills
11 2 (0.58%) Influencing Skills
11 2 (0.58%) Organisational Skills
12 1 (0.29%) Back Office
12 1 (0.29%) Front Office
12 1 (0.29%) Games
12 1 (0.29%) iGaming
12 1 (0.29%) Inclusion and Diversity
Job Titles
1 78 (22.67%) Administrator
2 54 (15.70%) Software Engineer
3 51 (14.83%) Linux Engineer
4 37 (10.76%) DBA
5 34 (9.88%) Linux Administrator
6 32 (9.30%) DV Cleared DBA
6 32 (9.30%) Linux Systems Administrator
7 30 (8.72%) Systems Administrator
8 29 (8.43%) DV Cleared Software Engineer
9 28 (8.14%) Infrastructure Engineer
10 27 (7.85%) Support Engineer
11 20 (5.81%) SC Cleared Software Engineer
11 20 (5.81%) Senior
12 17 (4.94%) Applications Support
12 17 (4.94%) Developer
13 13 (3.78%) Analyst
13 13 (3.78%) Lead
13 13 (3.78%) Linux Systems Engineer
13 13 (3.78%) Support Analyst
14 12 (3.49%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 40 (11.63%) REST
2 36 (10.47%) React
3 33 (9.59%) Middleware
4 30 (8.72%) Node.js
4 30 (8.72%) RabbitMQ
5 29 (8.43%) AngularJS
5 29 (8.43%) gRPC
5 29 (8.43%) Material-UI
5 29 (8.43%) OpenAPI
5 29 (8.43%) Spring
5 29 (8.43%) Spring Boot
5 29 (8.43%) Swagger
6 17 (4.94%) FIX Protocol
7 12 (3.49%) Kafka
8 11 (3.20%) JSON
8 11 (3.20%) NETCONF
8 11 (3.20%) SOAP
8 11 (3.20%) XML
8 11 (3.20%) YAML
8 11 (3.20%) YANG
Miscellaneous
1 48 (13.95%) Hybrid Cloud
2 40 (11.63%) Blockchain
2 40 (11.63%) Distributed Systems
3 30 (8.72%) Cloud Native
4 21 (6.10%) Linux Command Line
5 17 (4.94%) Data Centre
5 17 (4.94%) Eurex
6 13 (3.78%) Replication
7 12 (3.49%) Public Cloud
8 10 (2.91%) PKI
9 8 (2.33%) Cyber Threat
9 8 (2.33%) Cyberattack
9 8 (2.33%) Data Fabric
9 8 (2.33%) Management Information System
10 6 (1.74%) Foreign Exchange (FX)
10 6 (1.74%) FPGA
11 5 (1.45%) Self-Motivation
11 5 (1.45%) SWIFT Messaging Network
12 4 (1.16%) Cyber Kill Chain
12 4 (1.16%) EMC VNX
Operating Systems
1 344 (100.00%) Linux
2 134 (38.95%) Ubuntu
3 129 (37.50%) Red Hat Enterprise Linux
3 129 (37.50%) Windows
4 90 (26.16%) Debian
5 63 (18.31%) Unix
6 61 (17.73%) Windows Server 2016
7 45 (13.08%) Windows Server
7 45 (13.08%) Windows Server 2012
8 44 (12.79%) Windows Server 2019
9 40 (11.63%) Alpine Linux
10 24 (6.98%) Solaris
11 21 (6.10%) Android
12 19 (5.52%) CoreOS
12 19 (5.52%) Windows 10
13 16 (4.65%) SUSE
14 12 (3.49%) zOS
15 9 (2.62%) Mac OS
16 8 (2.33%) Rocky
17 6 (1.74%) Oracle Linux
Processes & Methodologies
1 82 (23.84%) DevOps
2 66 (19.19%) Artificial Intelligence
3 61 (17.73%) Software Engineering
4 60 (17.44%) Agile
5 57 (16.57%) CI/CD
6 56 (16.28%) Infrastructure as Code
7 55 (15.99%) Actionable Insight
8 51 (14.83%) Collaborative Working
9 50 (14.53%) ITIL
9 50 (14.53%) Microservices
10 49 (14.24%) Containerisation
10 49 (14.24%) Task Automation
11 45 (13.08%) Mentoring
12 44 (12.79%) Capacity Management
12 44 (12.79%) Open Source
12 44 (12.79%) Performance Monitoring
13 43 (12.50%) Scrum
14 40 (11.63%) Data Science
14 40 (11.63%) Functional Testing
14 40 (11.63%) Technology Transformation
Programming Languages
1 153 (44.48%) Python
2 111 (32.27%) Bash
3 99 (28.78%) SQL
4 82 (23.84%) PowerShell
5 75 (21.80%) JavaScript
6 71 (20.64%) Java
7 36 (10.47%) Perl
8 24 (6.98%) C++
9 21 (6.10%) Kotlin
10 19 (5.52%) Shell Script
11 17 (4.94%) Ruby
12 7 (2.03%) C#
13 6 (1.74%) TypeScript
14 3 (0.87%) AWK
14 3 (0.87%) C
14 3 (0.87%) sed
15 2 (0.58%) Go
16 1 (0.29%) PHP
16 1 (0.29%) Tcl
16 1 (0.29%) VBScript
Qualifications
1 142 (41.28%) Security Cleared
2 103 (29.94%) DV Cleared
3 88 (25.58%) SC Cleared
4 47 (13.66%) MCSA
4 47 (13.66%) MCSE
4 47 (13.66%) Microsoft Certification
5 42 (12.21%) Azure Certification
6 32 (9.30%) Degree
7 20 (5.81%) Computer Science Degree
8 8 (2.33%) RHCE
9 6 (1.74%) CCNA
9 6 (1.74%) Cisco Certification
10 5 (1.45%) RHCSA
11 4 (1.16%) CISM
11 4 (1.16%) CISSP
11 4 (1.16%) RHCT
12 3 (0.87%) Linux+ Certification
13 2 (0.58%) CCNP
13 2 (0.58%) ITIL Certification
13 2 (0.58%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 8 (2.33%) ISO/IEC 27001
1 8 (2.33%) SLA
2 5 (1.45%) NIST
3 4 (1.16%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 3 (0.87%) HIPAA
5 1 (0.29%) GDPR
5 1 (0.29%) PCI DSS
System Software
1 82 (23.84%) Docker
2 45 (13.08%) Active Directory
3 44 (12.79%) VMware Infrastructure
4 21 (6.10%) vSphere
5 15 (4.36%) VMware ESXi
6 14 (4.07%) Hyper-V
7 8 (2.33%) KVM
7 8 (2.33%) Virtual Machines
8 7 (2.03%) VMware Workstation
9 5 (1.45%) Citrix Hypervisor
9 5 (1.45%) VMware Server
10 4 (1.16%) VMware NSX
11 2 (0.58%) Kamailio
11 2 (0.58%) Microsoft Virtual Server
11 2 (0.58%) NFS
11 2 (0.58%) Postfix
11 2 (0.58%) Virtual Servers
12 1 (0.29%) Dovecot
12 1 (0.29%) etcd
12 1 (0.29%) Samba
Systems Management
1 133 (38.66%) Ansible
2 109 (31.69%) Kubernetes
2 109 (31.69%) Terraform
3 67 (19.48%) Puppet
4 24 (6.98%) vCenter Server
5 10 (2.91%) Nagios
5 10 (2.91%) Red Hat Spacewalk
6 8 (2.33%) Progress Chef
6 8 (2.33%) Prometheus
7 6 (1.74%) Grafana
8 5 (1.45%) Failover Clustering
8 5 (1.45%) ZABBIX
9 4 (1.16%) EMC NetWorker
9 4 (1.16%) Nessus
9 4 (1.16%) Rundeck
9 4 (1.16%) SCCM
10 3 (0.87%) Graphite
11 2 (0.58%) HAProxy
11 2 (0.58%) Microsoft Intune
11 2 (0.58%) WSUS
Vendors
1 209 (60.76%) Red Hat
2 78 (22.67%) VMware
3 76 (22.09%) Microsoft
4 65 (18.90%) Oracle
5 49 (14.24%) IBM
6 38 (11.05%) Cisco
7 32 (9.30%) SaltStack
8 30 (8.72%) Google
9 20 (5.81%) Xilinx
10 17 (4.94%) Bloomberg
10 17 (4.94%) CQG
10 17 (4.94%) ION Trading
10 17 (4.94%) Patsystems
10 17 (4.94%) Reuters
10 17 (4.94%) Trayport
11 12 (3.49%) Citrix
11 12 (3.49%) Veeam
12 10 (2.91%) F5
12 10 (2.91%) Splunk
13 9 (2.62%) Juniper