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 27 April 2024 with a comparison to the same period in the previous 2 years.

6 months to
27 Apr 2024
Same period 2023 Same period 2022
Rank 586 649 670
Rank change year-on-year +63 +21 -239
Permanent jobs citing CentOS 325 342 658
As % of all permanent jobs advertised in the UK 0.33% 0.33% 0.43%
As % of the Operating Systems category 2.31% 2.05% 2.26%
Number of salaries quoted 202 240 411
10th Percentile £36,000 £41,250 £32,500
25th Percentile £42,500 £43,750 £42,500
Median annual salary (50th Percentile) £50,000 £52,500 £50,000
Median % change year-on-year -4.76% +5.00% -9.09%
75th Percentile £71,000 £67,500 £70,838
90th Percentile £92,000 £80,000 £82,500
UK excluding London median annual salary £49,250 £47,500 £46,500
% change year-on-year +3.68% +2.15% -3.13%

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 14,079 16,671 29,105
As % of all permanent jobs advertised in the UK 14.36% 15.93% 18.88%
Number of salaries quoted 10,884 11,238 16,744
10th Percentile £25,760 £27,000 £26,398
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 £92,500 £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 27 April 2024.

Salary histogram for CentOS in the UK

CentOS
Top 16 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 27 April 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 +111 302 £50,000 -4.76% 52
UK excluding London +67 244 £49,250 +3.68% 47
South East +53 99 £47,500 +5.56% 11
Work from Home +38 87 £50,000 -4.76% 34
South West +37 76 £48,500 - 9
London +94 73 £85,000 +41.67% 11
Midlands +23 32 £46,250 -13.95% 9
North of England +23 18 £37,500 -21.05% 7
East Midlands -3 18 £50,000 -13.04% 3
West Midlands +30 14 £30,000 -36.84% 6
North West +6 13 £57,500 +21.05% 6
Scotland -59 7 £65,000 - 6
Yorkshire +72 5 £30,000 -37.50%
Isle of Man - 4 £43,000 -
Wales - 4 £50,000 - 1
Northern Ireland - 4 £52,500 - 1

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 30 (9.23%) Apache
2 27 (8.31%) Microsoft Exchange
3 24 (7.38%) Apache Spark
4 14 (4.31%) nginx
5 8 (2.46%) OpenStack
6 5 (1.54%) IIS
7 2 (0.62%) Confluence
7 2 (0.62%) SharePoint
8 1 (0.31%) Tomcat
Applications
1 10 (3.08%) Simulink
2 2 (0.62%) CATIA
2 2 (0.62%) Microsoft Office
2 2 (0.62%) NASTRAN
Business Applications
1 16 (4.92%) Fidessa
2 3 (0.92%) Oracle Cash Management
3 2 (0.62%) Teamcenter
Cloud Services
1 132 (40.62%) Azure
2 82 (25.23%) AWS
3 51 (15.69%) Azure DevOps
4 46 (14.15%) OpenShift
5 42 (12.92%) Microsoft 365
6 40 (12.31%) IBM Cloud
7 34 (10.46%) GCP
8 25 (7.69%) Amazon EKS
8 25 (7.69%) AWS Lambda
8 25 (7.69%) Serverless
9 24 (7.38%) AWS CloudFormation
10 17 (5.23%) Entra ID
11 14 (4.31%) SaaS
12 8 (2.46%) Azure Sentinel
13 7 (2.15%) Cloud Computing
14 5 (1.54%) Amazon S3
15 2 (0.62%) Datadog
15 2 (0.62%) PaaS
15 2 (0.62%) Stackdriver
16 1 (0.31%) Virtual Private Cloud
Communications & Networking
1 39 (12.00%) DNS
2 34 (10.46%) Firewall
3 30 (9.23%) DHCP
4 25 (7.69%) TCP/IP
4 25 (7.69%) WAN
5 24 (7.38%) AMQP
5 24 (7.38%) LAN
6 17 (5.23%) VPN
7 16 (4.92%) FIX Connectivity
8 13 (4.00%) SAN
9 12 (3.69%) BGP
10 11 (3.38%) Ethernet VPN
10 11 (3.38%) MPLS
11 8 (2.46%) HTTPS
11 8 (2.46%) SSL
12 7 (2.15%) OpenVPN
13 6 (1.85%) HTTP
13 6 (1.85%) Wireless
14 5 (1.54%) Internet
15 4 (1.23%) Fibre Channel
Database & Business Intelligence
1 45 (13.85%) SQL Server
2 41 (12.62%) MongoDB
3 25 (7.69%) Big Data
3 25 (7.69%) Hadoop
4 24 (7.38%) Cloudera CDH
5 21 (6.46%) NoSQL
6 17 (5.23%) PostgreSQL
7 15 (4.62%) MySQL
8 7 (2.15%) InfluxDB
8 7 (2.15%) Ingres
9 6 (1.85%) MariaDB
10 2 (0.62%) Elasticsearch
10 2 (0.62%) RDBMS
10 2 (0.62%) Relational Database
11 1 (0.31%) Amazon RDS
Development Applications
1 47 (14.46%) Git
2 19 (5.85%) JIRA
2 19 (5.85%) Vagrant
3 14 (4.31%) Jenkins
4 12 (3.69%) GitLab
5 2 (0.62%) Subversion
6 1 (0.31%) Atlassian Bamboo
6 1 (0.31%) Bitbucket
6 1 (0.31%) Robot Framework
General
1 89 (27.38%) Finance
2 42 (12.92%) Public Sector
3 31 (9.54%) Banking
4 29 (8.92%) Social Skills
5 26 (8.00%) Aerospace
6 25 (7.69%) Telecoms
7 19 (5.85%) Analytical Skills
8 16 (4.92%) Financial Institution
9 7 (2.15%) Law
10 5 (1.54%) Retail
11 3 (0.92%) Presentation Skills
12 2 (0.62%) Documentation Skills
12 2 (0.62%) Influencing Skills
13 1 (0.31%) Back Office
13 1 (0.31%) Front Office
13 1 (0.31%) iGaming
13 1 (0.31%) Inclusion and Diversity
13 1 (0.31%) Investment Banking
Job Titles
1 73 (22.46%) Administrator
2 48 (14.77%) Linux Engineer
3 38 (11.69%) Software Engineer
4 34 (10.46%) Linux Administrator
5 33 (10.15%) Linux Systems Administrator
6 32 (9.85%) DBA
7 30 (9.23%) Systems Administrator
8 27 (8.31%) DV Cleared DBA
9 25 (7.69%) Infrastructure Engineer
10 24 (7.38%) DV Cleared Software Engineer
10 24 (7.38%) Support Engineer
11 18 (5.54%) Developer
12 16 (4.92%) Applications Support
13 15 (4.62%) Senior
14 13 (4.00%) Lead
15 12 (3.69%) DevOps Engineer
15 12 (3.69%) Linux Support
15 12 (3.69%) Systems Engineer
16 11 (3.38%) Applications Support Analyst
16 11 (3.38%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 35 (10.77%) REST
2 32 (9.85%) React
3 25 (7.69%) Node.js
3 25 (7.69%) RabbitMQ
4 24 (7.38%) AngularJS
4 24 (7.38%) gRPC
4 24 (7.38%) Material-UI
4 24 (7.38%) OpenAPI
4 24 (7.38%) Spring
4 24 (7.38%) Spring Boot
4 24 (7.38%) Swagger
5 19 (5.85%) Middleware
6 16 (4.92%) FIX Protocol
7 12 (3.69%) Kafka
8 11 (3.38%) JSON
8 11 (3.38%) NETCONF
8 11 (3.38%) SOAP
8 11 (3.38%) XML
8 11 (3.38%) YAML
8 11 (3.38%) YANG
Miscellaneous
1 48 (14.77%) Hybrid Cloud
2 40 (12.31%) Blockchain
2 40 (12.31%) Distributed Systems
3 25 (7.69%) Cloud Native
4 21 (6.46%) Linux Command Line
5 16 (4.92%) Eurex
6 15 (4.62%) Data Centre
7 12 (3.69%) Replication
8 11 (3.38%) Public Cloud
9 10 (3.08%) PKI
10 8 (2.46%) Cyber Threat
10 8 (2.46%) Cyberattack
10 8 (2.46%) Data Fabric
11 7 (2.15%) Foreign Exchange (FX)
12 6 (1.85%) Management Information System
13 5 (1.54%) Onboarding
13 5 (1.54%) Self-Motivation
14 4 (1.23%) Clustering
14 4 (1.23%) Cyber Kill Chain
15 3 (0.92%) Video\Live Streaming
Operating Systems
1 325 (100.00%) Linux
2 122 (37.54%) Red Hat Enterprise Linux
3 121 (37.23%) Windows
4 109 (33.54%) Ubuntu
5 82 (25.23%) Debian
6 62 (19.08%) Unix
7 56 (17.23%) Windows Server 2016
8 43 (13.23%) Windows Server
9 40 (12.31%) Alpine Linux
9 40 (12.31%) Windows Server 2012
9 40 (12.31%) Windows Server 2019
10 23 (7.08%) Solaris
11 20 (6.15%) CoreOS
12 19 (5.85%) Windows 10
13 15 (4.62%) SUSE
14 12 (3.69%) zOS
15 10 (3.08%) Android
16 9 (2.77%) Mac OS
17 7 (2.15%) Rocky
18 3 (0.92%) Windows Server 2008
Processes & Methodologies
1 85 (26.15%) DevOps
2 59 (18.15%) CI/CD
3 58 (17.85%) Actionable Insight
4 57 (17.54%) Artificial Intelligence
5 54 (16.62%) Agile
6 50 (15.38%) ITIL
7 47 (14.46%) Task Automation
8 45 (13.85%) Software Engineering
9 43 (13.23%) Containerisation
10 42 (12.92%) Infrastructure as Code
11 41 (12.62%) Mentoring
12 40 (12.31%) Co-Creation
12 40 (12.31%) Data Science
12 40 (12.31%) Functional Testing
12 40 (12.31%) Separation of Concerns
12 40 (12.31%) Technology Transformation
13 39 (12.00%) Capacity Management
14 37 (11.38%) Performance Monitoring
14 37 (11.38%) Scrum
15 35 (10.77%) Collaborative Working
Programming Languages
1 141 (43.38%) Python
2 108 (33.23%) Bash
3 84 (25.85%) SQL
4 77 (23.69%) PowerShell
5 60 (18.46%) JavaScript
6 49 (15.08%) Java
7 38 (11.69%) Perl
8 21 (6.46%) Shell Script
9 16 (4.92%) Ruby
10 14 (4.31%) C++
11 10 (3.08%) Kotlin
12 8 (2.46%) TypeScript
13 7 (2.15%) C#
13 7 (2.15%) PHP
14 3 (0.92%) AWK
14 3 (0.92%) Go
14 3 (0.92%) sed
15 2 (0.62%) C
16 1 (0.31%) Tcl
16 1 (0.31%) VBScript
Qualifications
1 125 (38.46%) Security Cleared
2 97 (29.85%) DV Cleared
3 76 (23.38%) SC Cleared
4 46 (14.15%) MCSA
4 46 (14.15%) MCSE
4 46 (14.15%) Microsoft Certification
5 40 (12.31%) Azure Certification
6 22 (6.77%) Degree
7 10 (3.08%) Computer Science Degree
8 5 (1.54%) CCNA
8 5 (1.54%) Cisco Certification
8 5 (1.54%) RHCE
8 5 (1.54%) RHCSA
9 4 (1.23%) CISM
9 4 (1.23%) CISSP
10 3 (0.92%) RHCT
11 2 (0.62%) CCNP
11 2 (0.62%) VMware Certified Professional (VCP)
12 1 (0.31%) ISEB
12 1 (0.31%) ITIL Certification
Quality Assurance & Compliance
1 8 (2.46%) SLA
2 5 (1.54%) ISO/IEC 27001
2 5 (1.54%) NIST
3 4 (1.23%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 2 (0.62%) HIPAA
5 1 (0.31%) PCI DSS
System Software
1 83 (25.54%) Docker
2 43 (13.23%) Active Directory
3 41 (12.62%) VMware Infrastructure
4 22 (6.77%) vSphere
5 14 (4.31%) Hyper-V
5 14 (4.31%) VMware ESXi
6 7 (2.15%) VMware Workstation
7 6 (1.85%) Citrix Hypervisor
7 6 (1.85%) Virtual Machines
8 5 (1.54%) NFS
8 5 (1.54%) VMware Server
9 4 (1.23%) KVM
9 4 (1.23%) VMware NSX
10 2 (0.62%) Postfix
11 1 (0.31%) Dovecot
11 1 (0.31%) etcd
11 1 (0.31%) Firmware
11 1 (0.31%) Kamailio
11 1 (0.31%) Samba
Systems Management
1 116 (35.69%) Ansible
2 100 (30.77%) Kubernetes
3 96 (29.54%) Terraform
4 61 (18.77%) Puppet
5 23 (7.08%) vCenter Server
6 8 (2.46%) Red Hat Spacewalk
7 6 (1.85%) Nagios
7 6 (1.85%) Progress Chef
8 5 (1.54%) Failover Clustering
9 4 (1.23%) Nessus
9 4 (1.23%) Rundeck
10 3 (0.92%) EMC NetWorker
10 3 (0.92%) Prometheus
10 3 (0.92%) SCCM
10 3 (0.92%) ZABBIX
11 2 (0.62%) Grafana
11 2 (0.62%) Graphite
11 2 (0.62%) HAProxy
11 2 (0.62%) Microsoft Intune
11 2 (0.62%) WSUS
Vendors
1 191 (58.77%) Red Hat
2 74 (22.77%) VMware
3 71 (21.85%) Microsoft
4 53 (16.31%) Oracle
5 49 (15.08%) IBM
6 35 (10.77%) Cisco
7 25 (7.69%) Google
7 25 (7.69%) SaltStack
8 16 (4.92%) Bloomberg
8 16 (4.92%) CQG
8 16 (4.92%) ION Trading
8 16 (4.92%) Patsystems
8 16 (4.92%) Reuters
8 16 (4.92%) Trayport
9 11 (3.38%) Citrix
9 11 (3.38%) Veeam
10 10 (3.08%) Xilinx
11 8 (2.46%) Fortinet
11 8 (2.46%) Juniper
12 7 (2.15%) Remedy