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

6 months to
18 May 2024
Same period 2023 Same period 2022
Rank 578 680 684
Rank change year-on-year +102 +4 -228
Permanent jobs citing CentOS 332 306 659
As % of all permanent jobs advertised in the UK 0.33% 0.31% 0.41%
As % of the Operating Systems category 2.38% 1.92% 2.17%
Number of salaries quoted 202 225 392
10th Percentile £36,000 £41,250 £32,500
25th Percentile £41,500 £43,750 £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 £70,000 £66,250
90th Percentile £91,999 £85,000 £82,500
UK excluding London median annual salary £48,500 £47,500 £46,500
% change year-on-year +2.11% +2.15% -4.12%

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 13,973 15,925 30,406
As % of all permanent jobs advertised in the UK 13.99% 16.06% 18.92%
Number of salaries quoted 10,731 10,713 16,468
10th Percentile £26,000 £27,000 £26,450
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 £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 18 May 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 18 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England +117 309 £50,000 -4.76% 46
UK excluding London +40 253 £48,500 +2.11% 33
South East +33 102 £47,500 +5.56% 9
Work from Home +35 89 £50,000 -9.09% 21
South West +20 83 £48,500 - 9
London +84 71 £85,000 +41.67% 15
Midlands +9 32 £46,250 -15.91% 4
East Midlands +4 18 £50,000 -13.04% 2
North of England +28 17 £30,000 -36.84% 6
West Midlands +18 14 £30,000 -42.86% 2
North West -2 12 £45,000 -5.26% 4
Scotland -59 7 £65,000 +30.00% 2
Yorkshire +67 5 £30,000 -60.00% 1
Wales +10 4 £50,000 +11.11%
Northern Ireland - 4 £52,500 - 1
Isle of Man - 4 £43,000 -

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 35 (10.54%) Apache
2 27 (8.13%) Apache Spark
2 27 (8.13%) Microsoft Exchange
3 15 (4.52%) nginx
4 8 (2.41%) OpenStack
5 5 (1.51%) IIS
6 2 (0.60%) SharePoint
7 1 (0.30%) Confluence
7 1 (0.30%) Tomcat
Applications
1 16 (4.82%) Simulink
2 2 (0.60%) CATIA
2 2 (0.60%) Microsoft Office
2 2 (0.60%) NASTRAN
Business Applications
1 16 (4.82%) Fidessa
2 4 (1.20%) Oracle Cash Management
3 2 (0.60%) Teamcenter
Cloud Services
1 147 (44.28%) Azure
2 90 (27.11%) AWS
3 51 (15.36%) Azure DevOps
4 48 (14.46%) OpenShift
5 43 (12.95%) Microsoft 365
6 40 (12.05%) IBM Cloud
7 38 (11.45%) GCP
8 28 (8.43%) Amazon EKS
8 28 (8.43%) AWS Lambda
8 28 (8.43%) Serverless
9 27 (8.13%) AWS CloudFormation
10 18 (5.42%) Entra ID
11 14 (4.22%) SaaS
12 8 (2.41%) Azure Sentinel
12 8 (2.41%) Cloud Computing
13 5 (1.51%) Amazon S3
14 3 (0.90%) Datadog
14 3 (0.90%) PaaS
14 3 (0.90%) Stackdriver
15 1 (0.30%) Amazon SQS
Communications & Networking
1 39 (11.75%) DNS
2 36 (10.84%) Firewall
3 33 (9.94%) DHCP
4 29 (8.73%) TCP/IP
5 27 (8.13%) AMQP
6 23 (6.93%) WAN
7 22 (6.63%) LAN
8 18 (5.42%) VPN
9 16 (4.82%) FIX Connectivity
10 12 (3.61%) BGP
10 12 (3.61%) SAN
11 11 (3.31%) Ethernet VPN
11 11 (3.31%) MPLS
12 8 (2.41%) HTTPS
12 8 (2.41%) SSL
13 7 (2.11%) OpenVPN
14 6 (1.81%) Wireless
15 5 (1.51%) Internet
16 4 (1.20%) Fibre Channel
16 4 (1.20%) VoIP
Database & Business Intelligence
1 45 (13.55%) SQL Server
2 43 (12.95%) MongoDB
3 29 (8.73%) Big Data
3 29 (8.73%) Hadoop
4 28 (8.43%) NoSQL
5 27 (8.13%) Cloudera CDH
6 16 (4.82%) PostgreSQL
7 14 (4.22%) MySQL
8 7 (2.11%) InfluxDB
8 7 (2.11%) Ingres
9 6 (1.81%) MariaDB
10 2 (0.60%) Elasticsearch
10 2 (0.60%) RDBMS
10 2 (0.60%) Relational Database
11 1 (0.30%) Amazon RDS
Development Applications
1 53 (15.96%) Git
2 26 (7.83%) Vagrant
3 18 (5.42%) JIRA
4 15 (4.52%) Jenkins
5 12 (3.61%) GitLab
6 2 (0.60%) Subversion
7 1 (0.30%) Atlassian Bamboo
7 1 (0.30%) Bitbucket
7 1 (0.30%) Robot Framework
General
1 92 (27.71%) Finance
2 42 (12.65%) Public Sector
3 32 (9.64%) Banking
4 30 (9.04%) Aerospace
5 29 (8.73%) Social Skills
6 27 (8.13%) Telecoms
7 20 (6.02%) Analytical Skills
8 16 (4.82%) Financial Institution
9 8 (2.41%) Law
10 5 (1.51%) Retail
11 4 (1.20%) Presentation Skills
12 2 (0.60%) Documentation Skills
12 2 (0.60%) Influencing Skills
13 1 (0.30%) Back Office
13 1 (0.30%) Front Office
13 1 (0.30%) iGaming
13 1 (0.30%) Inclusion and Diversity
13 1 (0.30%) Investment Banking
13 1 (0.30%) Organisational Skills
Job Titles
1 75 (22.59%) Administrator
2 49 (14.76%) Linux Engineer
3 48 (14.46%) Software Engineer
4 34 (10.24%) DBA
4 34 (10.24%) Linux Administrator
5 32 (9.64%) Linux Systems Administrator
6 30 (9.04%) Systems Administrator
7 29 (8.73%) DV Cleared DBA
8 27 (8.13%) DV Cleared Software Engineer
9 25 (7.53%) Infrastructure Engineer
10 24 (7.23%) Support Engineer
11 18 (5.42%) Developer
12 17 (5.12%) Senior
13 16 (4.82%) Applications Support
13 16 (4.82%) SC Cleared Software Engineer
14 13 (3.92%) Lead
15 12 (3.61%) DevOps Engineer
15 12 (3.61%) Linux Systems Engineer
15 12 (3.61%) Systems Engineer
16 11 (3.31%) Financial Analyst
Libraries, Frameworks & Software Standards
1 38 (11.45%) REST
2 35 (10.54%) React
3 28 (8.43%) Middleware
3 28 (8.43%) Node.js
3 28 (8.43%) RabbitMQ
4 27 (8.13%) AngularJS
4 27 (8.13%) gRPC
4 27 (8.13%) Material-UI
4 27 (8.13%) OpenAPI
4 27 (8.13%) Spring
4 27 (8.13%) Spring Boot
4 27 (8.13%) Swagger
5 16 (4.82%) FIX Protocol
6 12 (3.61%) Kafka
7 11 (3.31%) JSON
7 11 (3.31%) NETCONF
7 11 (3.31%) RESTCONF
7 11 (3.31%) SOAP
7 11 (3.31%) XML
7 11 (3.31%) YANG
Miscellaneous
1 48 (14.46%) Hybrid Cloud
2 40 (12.05%) Blockchain
2 40 (12.05%) Distributed Systems
3 28 (8.43%) Cloud Native
4 21 (6.33%) Linux Command Line
5 16 (4.82%) Eurex
6 15 (4.52%) Data Centre
7 12 (3.61%) Public Cloud
7 12 (3.61%) Replication
8 10 (3.01%) PKI
9 8 (2.41%) Cyber Threat
9 8 (2.41%) Cyberattack
9 8 (2.41%) Data Fabric
10 7 (2.11%) Foreign Exchange (FX)
10 7 (2.11%) Management Information System
11 5 (1.51%) Self-Motivation
12 4 (1.20%) Clustering
12 4 (1.20%) Cyber Kill Chain
12 4 (1.20%) FPGA
12 4 (1.20%) SWIFT Messaging Network
Operating Systems
1 332 (100.00%) Linux
2 125 (37.65%) Red Hat Enterprise Linux
2 125 (37.65%) Ubuntu
3 124 (37.35%) Windows
4 86 (25.90%) Debian
5 61 (18.37%) Unix
6 58 (17.47%) Windows Server 2016
7 44 (13.25%) Windows Server
8 42 (12.65%) Windows Server 2012
8 42 (12.65%) Windows Server 2019
9 40 (12.05%) Alpine Linux
10 23 (6.93%) Solaris
11 19 (5.72%) CoreOS
11 19 (5.72%) Windows 10
12 17 (5.12%) Android
13 15 (4.52%) SUSE
14 12 (3.61%) zOS
15 9 (2.71%) Mac OS
16 7 (2.11%) Rocky
17 4 (1.20%) Oracle Linux
Processes & Methodologies
1 84 (25.30%) DevOps
2 63 (18.98%) Artificial Intelligence
3 58 (17.47%) Agile
4 57 (17.17%) CI/CD
5 55 (16.57%) Actionable Insight
5 55 (16.57%) Software Engineering
6 52 (15.66%) Infrastructure as Code
7 49 (14.76%) ITIL
7 49 (14.76%) Task Automation
8 46 (13.86%) Containerisation
9 45 (13.55%) Collaborative Working
10 44 (13.25%) Microservices
11 43 (12.95%) Mentoring
12 41 (12.35%) Capacity Management
12 41 (12.35%) Open Source
12 41 (12.35%) Scrum
13 40 (12.05%) Data Science
13 40 (12.05%) Functional Testing
13 40 (12.05%) Performance Monitoring
13 40 (12.05%) Separation of Concerns
Programming Languages
1 146 (43.98%) Python
2 109 (32.83%) Bash
3 93 (28.01%) SQL
4 80 (24.10%) PowerShell
5 69 (20.78%) JavaScript
6 62 (18.67%) Java
7 34 (10.24%) Perl
8 20 (6.02%) C++
8 20 (6.02%) Shell Script
9 17 (5.12%) Kotlin
10 16 (4.82%) Ruby
11 7 (2.11%) C#
11 7 (2.11%) TypeScript
12 3 (0.90%) AWK
12 3 (0.90%) C
12 3 (0.90%) sed
13 2 (0.60%) Go
13 2 (0.60%) PHP
14 1 (0.30%) Tcl
14 1 (0.30%) VBScript
Qualifications
1 134 (40.36%) Security Cleared
2 100 (30.12%) DV Cleared
3 83 (25.00%) SC Cleared
4 46 (13.86%) MCSA
4 46 (13.86%) MCSE
4 46 (13.86%) Microsoft Certification
5 41 (12.35%) Azure Certification
6 30 (9.04%) Degree
7 16 (4.82%) Computer Science Degree
8 7 (2.11%) RHCE
9 6 (1.81%) CCNA
9 6 (1.81%) Cisco Certification
10 5 (1.51%) RHCSA
11 4 (1.20%) CISM
11 4 (1.20%) CISSP
12 3 (0.90%) RHCT
13 2 (0.60%) CCNP
13 2 (0.60%) Linux+ Certification
13 2 (0.60%) VMware Certified Professional (VCP)
14 1 (0.30%) ITIL Certification
Quality Assurance & Compliance
1 8 (2.41%) SLA
2 6 (1.81%) ISO/IEC 27001
3 5 (1.51%) NIST
4 4 (1.20%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 3 (0.90%) HIPAA
6 1 (0.30%) PCI DSS
System Software
1 82 (24.70%) Docker
2 44 (13.25%) Active Directory
3 43 (12.95%) VMware Infrastructure
4 21 (6.33%) vSphere
5 14 (4.22%) Hyper-V
5 14 (4.22%) VMware ESXi
6 9 (2.71%) Virtual Machines
7 7 (2.11%) VMware Workstation
8 6 (1.81%) Citrix Hypervisor
8 6 (1.81%) KVM
9 5 (1.51%) VMware Server
10 4 (1.20%) VMware NSX
11 2 (0.60%) Kamailio
11 2 (0.60%) NFS
11 2 (0.60%) Postfix
12 1 (0.30%) Dovecot
12 1 (0.30%) Firmware
12 1 (0.30%) Microsoft Virtual Server
12 1 (0.30%) Samba
12 1 (0.30%) Virtual Servers
Systems Management
1 127 (38.25%) Ansible
2 106 (31.93%) Terraform
3 105 (31.63%) Kubernetes
4 65 (19.58%) Puppet
5 23 (6.93%) vCenter Server
6 9 (2.71%) Red Hat Spacewalk
7 8 (2.41%) Nagios
7 8 (2.41%) Progress Chef
8 6 (1.81%) Prometheus
9 5 (1.51%) Failover Clustering
10 4 (1.20%) Grafana
10 4 (1.20%) Nessus
10 4 (1.20%) Rundeck
10 4 (1.20%) ZABBIX
11 3 (0.90%) EMC NetWorker
11 3 (0.90%) Graphite
11 3 (0.90%) SCCM
12 2 (0.60%) HAProxy
12 2 (0.60%) Kustomize
12 2 (0.60%) WSUS
Vendors
1 197 (59.34%) Red Hat
2 75 (22.59%) VMware
3 74 (22.29%) Microsoft
4 57 (17.17%) Oracle
5 49 (14.76%) IBM
6 37 (11.14%) Cisco
7 30 (9.04%) SaltStack
8 28 (8.43%) Google
9 16 (4.82%) Bloomberg
9 16 (4.82%) CQG
9 16 (4.82%) ION Trading
9 16 (4.82%) Patsystems
9 16 (4.82%) Reuters
9 16 (4.82%) Trayport
9 16 (4.82%) Xilinx
10 11 (3.31%) Citrix
10 11 (3.31%) Veeam
11 9 (2.71%) Fortinet
11 9 (2.71%) Juniper
11 9 (2.71%) Splunk