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

6 months to
28 May 2024
Same period 2023 Same period 2022
Rank 590 664 684
Rank change year-on-year +74 +20 -202
Permanent jobs citing CentOS 339 298 666
As % of all permanent jobs advertised in the UK 0.33% 0.31% 0.40%
As % of the Operating Systems category 2.42% 1.90% 2.12%
Number of salaries quoted 202 223 380
10th Percentile £36,000 £41,250 £32,500
25th Percentile £41,313 £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 £64,063
90th Percentile £92,000 £85,000 £82,500
UK excluding London median annual salary £48,500 £48,500 £47,000
% change year-on-year - +3.19% -4.08%

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 13,986 15,669 31,425
As % of all permanent jobs advertised in the UK 13.63% 16.10% 18.82%
Number of salaries quoted 10,693 10,509 16,510
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 £92,000 £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 28 May 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 28 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 +111 317 £50,000 -4.76% 48
UK excluding London +55 258 £48,500 - 36
South East +30 102 £47,500 +5.56% 11
Work from Home +31 91 £50,000 -13.04% 23
South West +21 87 £48,500 - 5
London +126 73 £85,000 +41.67% 14
Midlands +14 33 £46,250 -15.91% 4
East Midlands -2 19 £50,000 -13.04% 1
North of England +25 17 £30,000 -36.84% 9
West Midlands +16 14 £30,000 -42.86% 3
North West -1 12 £45,000 -5.26% 6
Scotland -54 6 £48,500 -3.00% 2
Yorkshire +64 5 £30,000 -60.00% 1
Wales +6 4 £50,000 +11.11% 2
Isle of Man - 4 £43,000 -
Northern Ireland - 4 £52,500 - 1
East of England -12 1 - - 3

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 37 (10.91%) Apache
2 28 (8.26%) Apache Spark
2 28 (8.26%) Microsoft Exchange
3 14 (4.13%) nginx
4 7 (2.06%) OpenStack
5 6 (1.77%) IIS
6 2 (0.59%) Confluence
6 2 (0.59%) SharePoint
7 1 (0.29%) Tomcat
Applications
1 18 (5.31%) Simulink
2 2 (0.59%) CATIA
2 2 (0.59%) Microsoft Office
2 2 (0.59%) NASTRAN
Business Applications
1 17 (5.01%) Fidessa
2 5 (1.47%) Oracle Cash Management
3 2 (0.59%) Teamcenter
Cloud Services
1 150 (44.25%) Azure
2 94 (27.73%) AWS
3 50 (14.75%) OpenShift
4 49 (14.45%) Azure DevOps
5 41 (12.09%) Microsoft 365
6 40 (11.80%) IBM Cloud
7 39 (11.50%) GCP
8 29 (8.55%) Amazon EKS
8 29 (8.55%) AWS Lambda
8 29 (8.55%) Serverless
9 28 (8.26%) AWS CloudFormation
10 17 (5.01%) 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
16 1 (0.29%) Virtual Private Cloud
Communications & Networking
1 44 (12.98%) DNS
2 37 (10.91%) DHCP
2 37 (10.91%) Firewall
3 33 (9.73%) TCP/IP
4 28 (8.26%) AMQP
5 25 (7.37%) WAN
6 24 (7.08%) LAN
7 18 (5.31%) VPN
8 17 (5.01%) FIX Connectivity
9 14 (4.13%) SAN
10 12 (3.54%) BGP
11 11 (3.24%) Ethernet VPN
11 11 (3.24%) MPLS
12 9 (2.65%) HTTPS
13 8 (2.36%) SSL
14 6 (1.77%) NAS
14 6 (1.77%) OpenVPN
14 6 (1.77%) SNMP
15 4 (1.18%) Fibre Channel
15 4 (1.18%) Remote Desktop
Database & Business Intelligence
1 46 (13.57%) MongoDB
2 45 (13.27%) SQL Server
3 30 (8.85%) Big Data
3 30 (8.85%) Hadoop
3 30 (8.85%) NoSQL
4 28 (8.26%) Cloudera CDH
5 17 (5.01%) PostgreSQL
6 14 (4.13%) MySQL
7 7 (2.06%) Ingres
8 6 (1.77%) InfluxDB
9 5 (1.47%) MariaDB
10 2 (0.59%) Elasticsearch
10 2 (0.59%) RDBMS
10 2 (0.59%) Relational Database
11 1 (0.29%) Amazon RDS
Development Applications
1 55 (16.22%) Git
2 28 (8.26%) Vagrant
3 20 (5.90%) JIRA
4 16 (4.72%) 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 32 (9.44%) Banking
4 31 (9.14%) Aerospace
5 29 (8.55%) Social Skills
6 27 (7.96%) 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
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
13 1 (0.29%) Organisational Skills
Job Titles
1 78 (23.01%) Administrator
2 51 (15.04%) Linux Engineer
2 51 (15.04%) Software Engineer
3 37 (10.91%) DBA
4 34 (10.03%) Linux Administrator
5 32 (9.44%) DV Cleared DBA
5 32 (9.44%) Linux Systems Administrator
6 30 (8.85%) Systems Administrator
7 28 (8.26%) DV Cleared Software Engineer
8 27 (7.96%) Infrastructure Engineer
8 27 (7.96%) Support Engineer
9 20 (5.90%) Senior
10 18 (5.31%) SC Cleared Software Engineer
11 17 (5.01%) Applications Support
11 17 (5.01%) Developer
12 13 (3.83%) Analyst
12 13 (3.83%) Lead
12 13 (3.83%) Linux Systems Engineer
12 13 (3.83%) Support Analyst
13 12 (3.54%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 39 (11.50%) REST
2 35 (10.32%) React
3 31 (9.14%) Middleware
4 29 (8.55%) Node.js
4 29 (8.55%) RabbitMQ
5 28 (8.26%) AngularJS
5 28 (8.26%) gRPC
5 28 (8.26%) Material-UI
5 28 (8.26%) OpenAPI
5 28 (8.26%) Spring
5 28 (8.26%) Spring Boot
5 28 (8.26%) Swagger
6 17 (5.01%) 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 29 (8.55%) Cloud Native
4 21 (6.19%) Linux Command Line
5 17 (5.01%) Data Centre
5 17 (5.01%) Eurex
6 13 (3.83%) Replication
7 12 (3.54%) Public Cloud
8 10 (2.95%) PKI
9 8 (2.36%) Cyber Threat
9 8 (2.36%) Cyberattack
9 8 (2.36%) Data Fabric
9 8 (2.36%) Management Information System
10 6 (1.77%) Foreign Exchange (FX)
10 6 (1.77%) FPGA
11 5 (1.47%) Self-Motivation
11 5 (1.47%) SWIFT Messaging Network
12 4 (1.18%) Cyber Kill Chain
12 4 (1.18%) EMC VNX
Operating Systems
1 339 (100.00%) Linux
2 130 (38.35%) Ubuntu
3 128 (37.76%) Windows
4 126 (37.17%) Red Hat Enterprise Linux
5 89 (26.25%) 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
9 44 (12.98%) Windows Server 2019
10 40 (11.80%) Alpine Linux
11 24 (7.08%) Solaris
12 19 (5.60%) Android
12 19 (5.60%) CoreOS
12 19 (5.60%) Windows 10
13 16 (4.72%) SUSE
14 12 (3.54%) zOS
15 9 (2.65%) Mac OS
16 8 (2.36%) Rocky
17 6 (1.77%) Oracle Linux
Processes & Methodologies
1 82 (24.19%) DevOps
2 64 (18.88%) Artificial Intelligence
3 59 (17.40%) Agile
4 58 (17.11%) Software Engineering
5 57 (16.81%) CI/CD
6 55 (16.22%) Actionable Insight
7 53 (15.63%) Infrastructure as Code
8 49 (14.45%) Task Automation
9 48 (14.16%) Collaborative Working
9 48 (14.16%) Containerisation
9 48 (14.16%) ITIL
10 47 (13.86%) Microservices
11 45 (13.27%) Mentoring
12 44 (12.98%) Capacity Management
12 44 (12.98%) Performance Monitoring
13 42 (12.39%) Open Source
13 42 (12.39%) Scrum
14 40 (11.80%) Co-Creation
14 40 (11.80%) Data Science
14 40 (11.80%) Functional Testing
Programming Languages
1 150 (44.25%) Python
2 111 (32.74%) Bash
3 97 (28.61%) SQL
4 82 (24.19%) PowerShell
5 72 (21.24%) JavaScript
6 68 (20.06%) Java
7 36 (10.62%) Perl
8 22 (6.49%) C++
9 19 (5.60%) Kotlin
9 19 (5.60%) Shell Script
10 17 (5.01%) Ruby
11 7 (2.06%) C#
12 6 (1.77%) TypeScript
13 3 (0.88%) AWK
13 3 (0.88%) C
13 3 (0.88%) sed
14 2 (0.59%) Go
15 1 (0.29%) PHP
15 1 (0.29%) Tcl
15 1 (0.29%) VBScript
Qualifications
1 139 (41.00%) Security Cleared
2 102 (30.09%) DV Cleared
3 85 (25.07%) SC Cleared
4 47 (13.86%) MCSA
4 47 (13.86%) MCSE
4 47 (13.86%) Microsoft Certification
5 41 (12.09%) Azure Certification
6 30 (8.85%) Degree
7 18 (5.31%) Computer Science Degree
8 8 (2.36%) RHCE
9 5 (1.47%) CCNA
9 5 (1.47%) Cisco Certification
9 5 (1.47%) RHCSA
10 4 (1.18%) CISM
10 4 (1.18%) CISSP
10 4 (1.18%) RHCT
11 3 (0.88%) Linux+ Certification
12 2 (0.59%) CCNP
12 2 (0.59%) VMware Certified Professional (VCP)
13 1 (0.29%) ISEB
Quality Assurance & Compliance
1 8 (2.36%) SLA
2 7 (2.06%) ISO/IEC 27001
3 5 (1.47%) NIST
4 4 (1.18%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 3 (0.88%) HIPAA
6 1 (0.29%) GDPR
6 1 (0.29%) PCI DSS
System Software
1 81 (23.89%) Docker
2 44 (12.98%) Active Directory
3 43 (12.68%) VMware Infrastructure
4 21 (6.19%) vSphere
5 15 (4.42%) VMware ESXi
6 14 (4.13%) Hyper-V
7 8 (2.36%) KVM
7 8 (2.36%) Virtual Machines
8 7 (2.06%) VMware Workstation
9 5 (1.47%) Citrix Hypervisor
9 5 (1.47%) VMware Server
10 4 (1.18%) VMware NSX
11 2 (0.59%) Kamailio
11 2 (0.59%) NFS
11 2 (0.59%) Postfix
12 1 (0.29%) Dovecot
12 1 (0.29%) etcd
12 1 (0.29%) Microsoft Virtual Server
12 1 (0.29%) Samba
12 1 (0.29%) Virtual Servers
Systems Management
1 129 (38.05%) Ansible
2 107 (31.56%) Kubernetes
3 105 (30.97%) Terraform
4 66 (19.47%) Puppet
5 24 (7.08%) vCenter Server
6 10 (2.95%) Red Hat Spacewalk
7 9 (2.65%) Nagios
8 8 (2.36%) Progress Chef
9 7 (2.06%) Prometheus
10 5 (1.47%) Failover Clustering
10 5 (1.47%) Grafana
10 5 (1.47%) ZABBIX
11 4 (1.18%) EMC NetWorker
11 4 (1.18%) Nessus
11 4 (1.18%) Rundeck
11 4 (1.18%) SCCM
12 3 (0.88%) Graphite
13 2 (0.59%) HAProxy
13 2 (0.59%) Microsoft Intune
13 2 (0.59%) WSUS
Vendors
1 207 (61.06%) Red Hat
2 77 (22.71%) VMware
3 75 (22.12%) Microsoft
4 65 (19.17%) Oracle
5 49 (14.45%) IBM
6 37 (10.91%) Cisco
7 31 (9.14%) SaltStack
8 29 (8.55%) Google
9 18 (5.31%) Xilinx
10 17 (5.01%) Bloomberg
10 17 (5.01%) CQG
10 17 (5.01%) ION Trading
10 17 (5.01%) Patsystems
10 17 (5.01%) Reuters
10 17 (5.01%) Trayport
11 12 (3.54%) Citrix
11 12 (3.54%) Veeam
12 10 (2.95%) F5
12 10 (2.95%) Splunk
13 8 (2.36%) Juniper