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 9 June 2024 with a comparison to the same period in the previous 2 years.

6 months to
9 Jun 2024
Same period 2023 Same period 2022
Rank 600 675 702
Rank change year-on-year +75 +27 -209
Permanent jobs citing CentOS 339 276 682
As % of all permanent jobs advertised in the UK 0.31% 0.30% 0.40%
As % of the Operating Systems category 2.37% 1.81% 2.13%
Number of salaries quoted 200 220 384
10th Percentile £36,000 £41,250 £32,500
25th Percentile £40,938 £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 £71,563 £65,313
90th Percentile £92,000 £85,250 £82,500
UK excluding London median annual salary £47,500 £50,000 £49,150
% change year-on-year -5.00% +1.73% +0.31%

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 14,310 15,215 31,955
As % of all permanent jobs advertised in the UK 13.20% 16.34% 18.59%
Number of salaries quoted 10,728 10,332 16,389
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 9 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 9 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 +82 317 £50,000 -9.09% 40
UK excluding London +8 258 £47,500 -5.00% 35
South East +17 99 £47,500 +2.70% 12
Work from Home +26 93 £50,000 -16.67% 19
South West +20 89 £48,500 -3.00% 3
London +58 73 £85,000 +36.00% 12
Midlands -11 33 £46,250 -15.91% 2
East Midlands -19 19 £50,000 -13.04%
North of England +7 18 £37,500 -21.05% 10
West Midlands -4 14 £30,000 -42.86% 2
North West -15 13 £57,500 +21.05% 7
Scotland -62 6 £48,500 -3.00% 3
Yorkshire +54 5 £30,000 -60.00% 1
Wales +16 4 £50,000 +11.11% 3
Isle of Man - 4 £43,000 -
Northern Ireland - 4 £52,500 - 1
East of England -16 1 - - 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 38 (11.21%) Apache
2 29 (8.55%) Apache Spark
2 29 (8.55%) Microsoft Exchange
3 14 (4.13%) nginx
4 7 (2.06%) OpenStack
5 6 (1.77%) IIS
6 3 (0.88%) Confluence
7 2 (0.59%) SharePoint
8 1 (0.29%) Tomcat
Applications
1 20 (5.90%) Simulink
2 2 (0.59%) CATIA
2 2 (0.59%) Microsoft Office
2 2 (0.59%) NASTRAN
Business Applications
1 18 (5.31%) Fidessa
2 6 (1.77%) Oracle Cash Management
3 2 (0.59%) Teamcenter
Cloud Services
1 155 (45.72%) Azure
2 99 (29.20%) AWS
3 51 (15.04%) OpenShift
4 49 (14.45%) Azure DevOps
5 42 (12.39%) Microsoft 365
6 41 (12.09%) GCP
7 40 (11.80%) Azure AI
7 40 (11.80%) IBM Cloud
8 30 (8.85%) Amazon EKS
8 30 (8.85%) AWS Lambda
8 30 (8.85%) Serverless
9 29 (8.55%) AWS CloudFormation
10 18 (5.31%) Entra ID
11 14 (4.13%) SaaS
12 8 (2.36%) Cloud Computing
13 6 (1.77%) Azure Sentinel
14 5 (1.47%) Amazon S3
15 3 (0.88%) Datadog
15 3 (0.88%) PaaS
15 3 (0.88%) Stackdriver
Communications & Networking
1 45 (13.27%) DNS
2 40 (11.80%) Firewall
3 39 (11.50%) DHCP
4 33 (9.73%) TCP/IP
5 29 (8.55%) AMQP
6 25 (7.37%) WAN
7 24 (7.08%) LAN
8 19 (5.60%) VPN
9 18 (5.31%) FIX Connectivity
10 12 (3.54%) BGP
10 12 (3.54%) SAN
11 11 (3.24%) Ethernet VPN
11 11 (3.24%) MPLS
12 10 (2.95%) HTTPS
13 8 (2.36%) SSL
14 6 (1.77%) NAS
14 6 (1.77%) OpenVPN
14 6 (1.77%) SNMP
15 5 (1.47%) VLAN
16 4 (1.18%) Wireshark
Database & Business Intelligence
1 46 (13.57%) MongoDB
2 45 (13.27%) SQL Server
3 32 (9.44%) NoSQL
4 31 (9.14%) Big Data
4 31 (9.14%) Hadoop
5 29 (8.55%) Cloudera CDH
6 18 (5.31%) PostgreSQL
7 14 (4.13%) MySQL
8 7 (2.06%) Ingres
9 6 (1.77%) InfluxDB
10 5 (1.47%) MariaDB
11 2 (0.59%) Elasticsearch
11 2 (0.59%) RDBMS
11 2 (0.59%) Relational Database
12 1 (0.29%) Amazon RDS
Development Applications
1 57 (16.81%) Git
2 30 (8.85%) Vagrant
3 21 (6.19%) JIRA
4 17 (5.01%) Jenkins
5 12 (3.54%) GitLab
6 2 (0.59%) Subversion
7 1 (0.29%) Atlassian Bamboo
7 1 (0.29%) Bitbucket
7 1 (0.29%) Robot Framework
General
1 94 (27.73%) Finance
2 42 (12.39%) Public Sector
3 33 (9.73%) Banking
4 32 (9.44%) Aerospace
5 30 (8.85%) Social Skills
6 28 (8.26%) Telecoms
7 20 (5.90%) Analytical Skills
8 15 (4.42%) Financial Institution
9 8 (2.36%) Law
10 5 (1.47%) Retail
11 4 (1.18%) Presentation Skills
12 2 (0.59%) Documentation Skills
12 2 (0.59%) Influencing Skills
12 2 (0.59%) Organisational Skills
13 1 (0.29%) Back Office
13 1 (0.29%) Front Office
13 1 (0.29%) Games
13 1 (0.29%) iGaming
13 1 (0.29%) Inclusion and Diversity
Job Titles
1 78 (23.01%) Administrator
2 54 (15.93%) Software Engineer
3 48 (14.16%) Linux Engineer
4 37 (10.91%) DBA
5 34 (10.03%) Linux Administrator
6 32 (9.44%) DV Cleared DBA
6 32 (9.44%) Linux Systems Administrator
7 30 (8.85%) Systems Administrator
8 29 (8.55%) DV Cleared Software Engineer
9 28 (8.26%) Infrastructure Engineer
9 28 (8.26%) Support Engineer
10 20 (5.90%) SC Cleared Software Engineer
10 20 (5.90%) Senior
11 18 (5.31%) Applications Support
12 17 (5.01%) Developer
13 15 (4.42%) Analyst
13 15 (4.42%) Support Analyst
14 13 (3.83%) Applications Support Analyst
14 13 (3.83%) Financial Analyst
14 13 (3.83%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 40 (11.80%) REST
2 36 (10.62%) React
3 33 (9.73%) Middleware
4 30 (8.85%) Node.js
4 30 (8.85%) RabbitMQ
5 29 (8.55%) AngularJS
5 29 (8.55%) gRPC
5 29 (8.55%) Material-UI
5 29 (8.55%) OpenAPI
5 29 (8.55%) Spring
5 29 (8.55%) Spring Boot
5 29 (8.55%) Swagger
6 18 (5.31%) FIX Protocol
7 12 (3.54%) Kafka
8 11 (3.24%) JSON
8 11 (3.24%) NETCONF
8 11 (3.24%) SOAP
8 11 (3.24%) XML
8 11 (3.24%) YAML
8 11 (3.24%) YANG
Miscellaneous
1 48 (14.16%) Hybrid Cloud
2 40 (11.80%) Blockchain
2 40 (11.80%) Distributed Systems
3 30 (8.85%) Cloud Native
4 21 (6.19%) Linux Command Line
5 18 (5.31%) Eurex
6 17 (5.01%) Data Centre
7 13 (3.83%) Replication
8 12 (3.54%) Public Cloud
9 10 (2.95%) PKI
10 8 (2.36%) Cyber Threat
10 8 (2.36%) Cyberattack
10 8 (2.36%) Data Fabric
10 8 (2.36%) Management Information System
11 6 (1.77%) Foreign Exchange (FX)
11 6 (1.77%) FPGA
11 6 (1.77%) SWIFT Messaging Network
12 5 (1.47%) Self-Motivation
13 4 (1.18%) Cyber Kill Chain
13 4 (1.18%) EMC VNX
Operating Systems
1 339 (100.00%) Linux
2 134 (39.53%) Ubuntu
3 130 (38.35%) Windows
4 124 (36.58%) Red Hat Enterprise Linux
5 91 (26.84%) Debian
6 63 (18.58%) Unix
7 61 (17.99%) Windows Server 2016
8 45 (13.27%) Windows Server 2012
9 44 (12.98%) Windows Server
10 43 (12.68%) Windows Server 2019
11 40 (11.80%) Alpine Linux
12 25 (7.37%) Solaris
13 21 (6.19%) Android
14 19 (5.60%) CoreOS
14 19 (5.60%) Windows 10
15 16 (4.72%) SUSE
16 12 (3.54%) zOS
17 9 (2.65%) Mac OS
18 8 (2.36%) Rocky
19 6 (1.77%) Oracle Linux
Processes & Methodologies
1 81 (23.89%) DevOps
2 66 (19.47%) Artificial Intelligence
3 61 (17.99%) Software Engineering
4 60 (17.70%) Agile
5 57 (16.81%) CI/CD
6 56 (16.52%) Infrastructure as Code
7 55 (16.22%) Actionable Insight
8 51 (15.04%) Collaborative Working
8 51 (15.04%) ITIL
9 50 (14.75%) Microservices
10 49 (14.45%) Containerisation
10 49 (14.45%) Task Automation
11 44 (12.98%) Capacity Management
11 44 (12.98%) Mentoring
11 44 (12.98%) Open Source
11 44 (12.98%) Performance Monitoring
12 43 (12.68%) Scrum
13 40 (11.80%) Data Science
13 40 (11.80%) Functional Testing
13 40 (11.80%) Separation of Concerns
Programming Languages
1 152 (44.84%) Python
2 111 (32.74%) Bash
3 100 (29.50%) SQL
4 83 (24.48%) PowerShell
5 76 (22.42%) JavaScript
6 71 (20.94%) Java
7 37 (10.91%) Perl
8 24 (7.08%) C++
9 21 (6.19%) Kotlin
10 19 (5.60%) Shell Script
11 18 (5.31%) Ruby
12 8 (2.36%) C#
13 6 (1.77%) TypeScript
14 3 (0.88%) AWK
14 3 (0.88%) C
14 3 (0.88%) sed
15 1 (0.29%) Go
15 1 (0.29%) PHP
15 1 (0.29%) Tcl
15 1 (0.29%) VBScript
Qualifications
1 137 (40.41%) Security Cleared
2 98 (28.91%) DV Cleared
3 84 (24.78%) SC Cleared
4 47 (13.86%) MCSA
4 47 (13.86%) MCSE
4 47 (13.86%) Microsoft Certification
5 42 (12.39%) Azure Certification
6 32 (9.44%) Degree
7 20 (5.90%) Computer Science Degree
8 8 (2.36%) RHCE
9 6 (1.77%) CCNA
9 6 (1.77%) Cisco Certification
10 5 (1.47%) RHCSA
11 4 (1.18%) CISM
11 4 (1.18%) CISSP
11 4 (1.18%) RHCT
12 3 (0.88%) 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 (2.36%) ISO/IEC 27001
1 8 (2.36%) SLA
2 5 (1.47%) NIST
3 4 (1.18%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 3 (0.88%) HIPAA
5 1 (0.29%) GDPR
5 1 (0.29%) PCI DSS
System Software
1 81 (23.89%) Docker
2 45 (13.27%) Active Directory
3 44 (12.98%) VMware Infrastructure
4 21 (6.19%) vSphere
5 14 (4.13%) Hyper-V
5 14 (4.13%) VMware ESXi
6 8 (2.36%) KVM
6 8 (2.36%) Virtual Machines
7 7 (2.06%) VMware Workstation
8 5 (1.47%) Citrix Hypervisor
8 5 (1.47%) VMware Server
9 4 (1.18%) VMware NSX
10 2 (0.59%) Kamailio
10 2 (0.59%) Microsoft Virtual Server
10 2 (0.59%) Postfix
10 2 (0.59%) Virtual Servers
11 1 (0.29%) Dovecot
11 1 (0.29%) etcd
11 1 (0.29%) NFS
11 1 (0.29%) Samba
Systems Management
1 128 (37.76%) Ansible
2 108 (31.86%) Kubernetes
2 108 (31.86%) Terraform
3 67 (19.76%) Puppet
4 23 (6.78%) vCenter Server
5 10 (2.95%) Nagios
5 10 (2.95%) Red Hat Spacewalk
6 8 (2.36%) Progress Chef
6 8 (2.36%) Prometheus
7 6 (1.77%) Grafana
8 5 (1.47%) Failover Clustering
8 5 (1.47%) ZABBIX
9 4 (1.18%) EMC NetWorker
9 4 (1.18%) Nessus
9 4 (1.18%) Rundeck
9 4 (1.18%) SCCM
10 3 (0.88%) Graphite
11 2 (0.59%) HAProxy
11 2 (0.59%) Kustomize
11 2 (0.59%) Microsoft Intune
Vendors
1 208 (61.36%) Red Hat
2 77 (22.71%) VMware
3 75 (22.12%) Microsoft
4 66 (19.47%) Oracle
5 49 (14.45%) IBM
6 38 (11.21%) Cisco
7 32 (9.44%) SaltStack
8 30 (8.85%) Google
9 20 (5.90%) Xilinx
10 18 (5.31%) Bloomberg
10 18 (5.31%) CQG
10 18 (5.31%) ION Trading
10 18 (5.31%) Patsystems
10 18 (5.31%) Reuters
10 18 (5.31%) Trayport
11 12 (3.54%) Citrix
11 12 (3.54%) Veeam
12 10 (2.95%) F5
12 10 (2.95%) Splunk
13 9 (2.65%) Juniper