CentOS Linux
UK

The table below provides summary statistics for permanent job vacancies requiring CentOS skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited CentOS over the 6 months leading up to 25 June 2024, comparing them to the same period in the previous two years.

6 months to
25 Jun 2024
Same period 2023 Same period 2022
Rank 586 649 695
Rank change year-on-year +63 +46 -193
Permanent jobs citing CentOS 338 275 686
As % of all permanent jobs advertised in the UK 0.31% 0.30% 0.40%
As % of the Operating Systems category 2.35% 1.82% 2.14%
Number of salaries quoted 199 221 386
10th Percentile £36,000 £41,250 £32,500
25th Percentile £40,000 £45,000 £42,500
Median annual salary (50th Percentile) £50,000 £55,000 £50,647
Median % change year-on-year -9.09% +8.60% -7.92%
75th Percentile £71,000 £71,250 £65,000
90th Percentile £92,000 £85,000 £82,500
UK excluding London median annual salary £47,500 £50,000 £49,150
% change year-on-year -5.00% +1.73% +3.47%

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 permanent job vacancies requiring operating system skills.

Permanent vacancies with a requirement for operating system skills 14,390 15,119 32,044
As % of all permanent jobs advertised in the UK 13.10% 16.35% 18.55%
Number of salaries quoted 10,771 10,301 16,333
10th Percentile £26,000 £27,000 £26,250
25th Percentile £31,250 £35,000 £35,750
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 25 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 25 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 +83 316 £50,000 -9.09% 23
UK excluding London +26 256 £47,500 -5.00% 20
South East -5 99 £47,500 +5.56% 7
Work from Home +5 95 £50,000 -16.67% 11
South West +8 87 £45,000 -10.00% 7
London +87 74 £85,000 +36.00% 5
Midlands -17 33 £46,250 -15.91% 1
East Midlands -15 19 £50,000 -13.04%
North of England -6 18 £37,500 -21.05% 2
West Midlands -4 14 £30,000 -42.86% 1
North West -30 13 £57,500 +21.05% 1
Scotland -66 6 £48,500 -3.00% 1
Yorkshire +57 5 £30,000 -60.00% 1
Wales +16 4 £50,000 +11.11%
Isle of Man - 4 £43,000 -
Northern Ireland - 4 £52,500 - 1
East of England -15 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 (11.24%) Apache
2 29 (8.58%) Apache Spark
2 29 (8.58%) Microsoft Exchange
3 14 (4.14%) nginx
4 7 (2.07%) OpenStack
5 6 (1.78%) IIS
6 4 (1.18%) Confluence
7 2 (0.59%) SharePoint
8 1 (0.30%) Tomcat
Applications
1 22 (6.51%) Simulink
2 2 (0.59%) CATIA
2 2 (0.59%) Microsoft Office
2 2 (0.59%) NASTRAN
Business Applications
1 18 (5.33%) Fidessa
2 6 (1.78%) Oracle Cash Management
3 2 (0.59%) Teamcenter
4 1 (0.30%) Remedy ITSM
Cloud Services
1 157 (46.45%) Azure
2 99 (29.29%) AWS
3 49 (14.50%) Azure DevOps
3 49 (14.50%) OpenShift
4 43 (12.72%) Microsoft 365
5 41 (12.13%) GCP
6 40 (11.83%) Azure AI
6 40 (11.83%) IBM Cloud
7 30 (8.88%) Amazon EKS
7 30 (8.88%) AWS Lambda
7 30 (8.88%) Serverless
8 29 (8.58%) AWS CloudFormation
9 18 (5.33%) Entra ID
10 14 (4.14%) SaaS
11 8 (2.37%) Cloud Computing
12 6 (1.78%) Azure Sentinel
13 5 (1.48%) Amazon S3
14 3 (0.89%) Datadog
14 3 (0.89%) PaaS
14 3 (0.89%) Stackdriver
Communications & Networking
1 46 (13.61%) DNS
2 41 (12.13%) Firewall
3 40 (11.83%) DHCP
4 33 (9.76%) TCP/IP
5 29 (8.58%) AMQP
6 27 (7.99%) WAN
7 26 (7.69%) LAN
8 20 (5.92%) VPN
9 18 (5.33%) FIX Connectivity
10 12 (3.55%) BGP
10 12 (3.55%) SAN
11 11 (3.25%) Ethernet VPN
11 11 (3.25%) HTTPS
11 11 (3.25%) MPLS
12 8 (2.37%) SSL
13 6 (1.78%) NAS
13 6 (1.78%) OpenVPN
13 6 (1.78%) SNMP
13 6 (1.78%) VLAN
14 4 (1.18%) Fibre Channel
Database & Business Intelligence
1 45 (13.31%) MongoDB
1 45 (13.31%) SQL Server
2 34 (10.06%) NoSQL
3 31 (9.17%) Big Data
3 31 (9.17%) Hadoop
4 29 (8.58%) Cloudera CDH
5 19 (5.62%) PostgreSQL
6 14 (4.14%) MySQL
7 7 (2.07%) Ingres
8 6 (1.78%) InfluxDB
9 5 (1.48%) MariaDB
10 2 (0.59%) Elasticsearch
10 2 (0.59%) RDBMS
10 2 (0.59%) Relational Database
11 1 (0.30%) Amazon RDS
Development Applications
1 57 (16.86%) Git
2 32 (9.47%) Vagrant
3 22 (6.51%) JIRA
4 18 (5.33%) Jenkins
5 12 (3.55%) GitLab
6 2 (0.59%) Subversion
7 1 (0.30%) Atlassian Bamboo
7 1 (0.30%) Bitbucket
7 1 (0.30%) Robot Framework
General
1 93 (27.51%) Finance
2 42 (12.43%) Public Sector
3 33 (9.76%) Banking
4 32 (9.47%) Aerospace
5 31 (9.17%) Social Skills
6 28 (8.28%) Telecoms
7 21 (6.21%) Analytical Skills
8 15 (4.44%) Financial Institution
9 8 (2.37%) Law
10 5 (1.48%) Retail
11 4 (1.18%) Presentation Skills
12 3 (0.89%) Organisational Skills
13 2 (0.59%) Documentation Skills
13 2 (0.59%) Influencing Skills
14 1 (0.30%) Back Office
14 1 (0.30%) Front Office
14 1 (0.30%) Games
14 1 (0.30%) iGaming
14 1 (0.30%) Inclusion and Diversity
Job Titles
1 75 (22.19%) Administrator
2 56 (16.57%) Software Engineer
3 47 (13.91%) Linux Engineer
4 36 (10.65%) DBA
5 32 (9.47%) DV Cleared DBA
5 32 (9.47%) Linux Administrator
6 30 (8.88%) Linux Systems Administrator
6 30 (8.88%) Systems Administrator
7 29 (8.58%) DV Cleared Software Engineer
7 29 (8.58%) Infrastructure Engineer
7 29 (8.58%) Support Engineer
8 22 (6.51%) SC Cleared Software Engineer
9 20 (5.92%) Senior
10 18 (5.33%) Applications Support
11 17 (5.03%) Developer
12 16 (4.73%) Analyst
12 16 (4.73%) Support Analyst
13 13 (3.85%) Applications Support Analyst
13 13 (3.85%) Financial Analyst
13 13 (3.85%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 40 (11.83%) REST
2 36 (10.65%) React
3 35 (10.36%) Middleware
4 30 (8.88%) Node.js
4 30 (8.88%) RabbitMQ
5 29 (8.58%) AngularJS
5 29 (8.58%) gRPC
5 29 (8.58%) Material-UI
5 29 (8.58%) OpenAPI
5 29 (8.58%) Spring
5 29 (8.58%) Spring Boot
5 29 (8.58%) Swagger
6 18 (5.33%) FIX Protocol
7 12 (3.55%) Kafka
8 11 (3.25%) JSON
8 11 (3.25%) NETCONF
8 11 (3.25%) SOAP
8 11 (3.25%) XML
8 11 (3.25%) YAML
8 11 (3.25%) YANG
Miscellaneous
1 48 (14.20%) Hybrid Cloud
2 40 (11.83%) Blockchain
2 40 (11.83%) Distributed Systems
3 30 (8.88%) Cloud Native
4 19 (5.62%) Linux Command Line
5 18 (5.33%) Eurex
6 17 (5.03%) Data Centre
7 13 (3.85%) Replication
8 12 (3.55%) Public Cloud
9 10 (2.96%) PKI
10 8 (2.37%) Cyber Threat
10 8 (2.37%) Cyberattack
10 8 (2.37%) Data Fabric
10 8 (2.37%) Management Information System
11 6 (1.78%) Foreign Exchange (FX)
11 6 (1.78%) FPGA
11 6 (1.78%) SWIFT Messaging Network
12 5 (1.48%) Self-Motivation
13 4 (1.18%) Cyber Kill Chain
13 4 (1.18%) EMC VNX
Operating Systems
1 338 (100.00%) Linux
2 136 (40.24%) Ubuntu
3 131 (38.76%) Windows
4 123 (36.39%) Red Hat Enterprise Linux
5 92 (27.22%) Debian
6 61 (18.05%) Unix
6 61 (18.05%) Windows Server 2016
7 45 (13.31%) Windows Server
8 44 (13.02%) Windows Server 2012
9 42 (12.43%) Windows Server 2019
10 40 (11.83%) Alpine Linux
11 25 (7.40%) Solaris
12 23 (6.80%) Android
13 21 (6.21%) Windows 10
14 17 (5.03%) CoreOS
15 16 (4.73%) SUSE
16 12 (3.55%) zOS
17 9 (2.66%) Mac OS
18 8 (2.37%) Rocky
19 6 (1.78%) Oracle Linux
Processes & Methodologies
1 79 (23.37%) DevOps
2 68 (20.12%) Artificial Intelligence
3 63 (18.64%) Software Engineering
4 60 (17.75%) Agile
5 58 (17.16%) Infrastructure as Code
6 57 (16.86%) CI/CD
7 54 (15.98%) Actionable Insight
8 53 (15.68%) Collaborative Working
9 52 (15.38%) Microservices
10 50 (14.79%) ITIL
11 49 (14.50%) Containerisation
11 49 (14.50%) Task Automation
12 44 (13.02%) Mentoring
12 44 (13.02%) Open Source
13 43 (12.72%) Capacity Management
13 43 (12.72%) Performance Monitoring
13 43 (12.72%) Scrum
14 40 (11.83%) Data Science
14 40 (11.83%) Functional Testing
14 40 (11.83%) Separation of Concerns
Programming Languages
1 152 (44.97%) Python
2 109 (32.25%) Bash
3 101 (29.88%) SQL
4 82 (24.26%) PowerShell
5 78 (23.08%) JavaScript
6 74 (21.89%) Java
7 37 (10.95%) Perl
8 26 (7.69%) C++
9 23 (6.80%) Kotlin
10 19 (5.62%) Shell Script
11 18 (5.33%) Ruby
12 9 (2.66%) C#
13 6 (1.78%) TypeScript
14 3 (0.89%) AWK
14 3 (0.89%) C
14 3 (0.89%) sed
15 1 (0.30%) Go
15 1 (0.30%) PHP
15 1 (0.30%) Tcl
15 1 (0.30%) VBScript
Qualifications
1 135 (39.94%) Security Cleared
2 95 (28.11%) DV Cleared
3 83 (24.56%) SC Cleared
4 47 (13.91%) MCSA
4 47 (13.91%) MCSE
4 47 (13.91%) Microsoft Certification
5 42 (12.43%) Azure Certification
6 34 (10.06%) Degree
7 22 (6.51%) Computer Science Degree
8 8 (2.37%) RHCE
9 6 (1.78%) CCNA
9 6 (1.78%) Cisco Certification
10 5 (1.48%) RHCSA
11 4 (1.18%) CISM
11 4 (1.18%) CISSP
11 4 (1.18%) RHCT
12 3 (0.89%) Linux+ Certification
13 2 (0.59%) CCNP
13 2 (0.59%) ITIL Certification
13 2 (0.59%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 8 (2.37%) ISO/IEC 27001
1 8 (2.37%) SLA
2 5 (1.48%) NIST
3 4 (1.18%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 3 (0.89%) HIPAA
5 1 (0.30%) GDPR
5 1 (0.30%) PCI DSS
System Software
1 81 (23.96%) Docker
2 47 (13.91%) Active Directory
3 44 (13.02%) VMware Infrastructure
4 22 (6.51%) vSphere
5 15 (4.44%) VMware ESXi
6 14 (4.14%) Hyper-V
7 8 (2.37%) KVM
7 8 (2.37%) Virtual Machines
8 7 (2.07%) VMware Workstation
9 5 (1.48%) Citrix Hypervisor
9 5 (1.48%) VMware Server
10 4 (1.18%) VMware NSX
11 2 (0.59%) Kamailio
11 2 (0.59%) Microsoft Virtual Server
11 2 (0.59%) Postfix
11 2 (0.59%) Virtual Servers
12 1 (0.30%) Dovecot
12 1 (0.30%) etcd
12 1 (0.30%) NFS
12 1 (0.30%) Samba
Systems Management
1 126 (37.28%) Ansible
2 110 (32.54%) Terraform
3 108 (31.95%) Kubernetes
4 65 (19.23%) Puppet
5 23 (6.80%) vCenter Server
6 11 (3.25%) Nagios
7 10 (2.96%) Red Hat Spacewalk
8 8 (2.37%) Progress Chef
8 8 (2.37%) Prometheus
9 6 (1.78%) Grafana
10 5 (1.48%) Failover Clustering
10 5 (1.48%) ZABBIX
11 4 (1.18%) EMC NetWorker
11 4 (1.18%) Nessus
11 4 (1.18%) Rundeck
11 4 (1.18%) SCCM
12 3 (0.89%) Graphite
13 2 (0.59%) HAProxy
13 2 (0.59%) Icinga
13 2 (0.59%) Microsoft Intune
Vendors
1 205 (60.65%) Red Hat
2 78 (23.08%) VMware
3 75 (22.19%) Microsoft
4 65 (19.23%) Oracle
5 49 (14.50%) IBM
6 39 (11.54%) Cisco
7 32 (9.47%) SaltStack
8 30 (8.88%) Google
9 22 (6.51%) Xilinx
10 18 (5.33%) Bloomberg
10 18 (5.33%) CQG
10 18 (5.33%) ION Trading
10 18 (5.33%) Patsystems
10 18 (5.33%) Reuters
10 18 (5.33%) Trayport
11 13 (3.85%) Veeam
12 12 (3.55%) Citrix
13 10 (2.96%) F5
13 10 (2.96%) Juniper
13 10 (2.96%) Splunk