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

6 months to
9 May 2024
Same period 2023 Same period 2022
Rank 581 665 673
Rank change year-on-year +84 +8 -219
Permanent jobs citing CentOS 335 322 654
As % of all permanent jobs advertised in the UK 0.34% 0.32% 0.42%
As % of the Operating Systems category 2.39% 1.99% 2.20%
Number of salaries quoted 208 236 398
10th Percentile £36,000 £41,250 £32,500
25th Percentile £42,250 £43,563 £41,750
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 £69,063 £66,250
90th Percentile £91,993 £82,500 £82,500
UK excluding London median annual salary £49,250 £47,500 £46,500
% change year-on-year +3.68% +2.15% -5.10%

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 14,033 16,182 29,776
As % of all permanent jobs advertised in the UK 14.16% 15.97% 18.98%
Number of salaries quoted 10,810 10,929 16,503
10th Percentile £26,000 £27,000 £26,450
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 9 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 9 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 +125 312 £50,000 -4.76% 47
UK excluding London +61 254 £49,250 +3.68% 38
South East +28 104 £47,500 +5.56% 10
Work from Home +25 91 £50,000 -4.76% 23
South West +21 81 £49,250 +1.55% 12
London +77 73 £83,750 +39.58% 11
Midlands +6 32 £46,250 -15.91% 4
North of England +29 18 £37,500 -21.05% 6
East Midlands -4 18 £50,000 -13.04% 2
West Midlands +16 14 £30,000 -36.84% 2
North West +8 13 £57,500 +21.05% 4
Scotland -61 7 £65,000 - 1
Yorkshire +72 5 £30,000 -52.00% 1
Wales +7 4 £50,000 +11.11% 1
Isle of Man - 4 £43,000 -
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 34 (10.15%) Apache
2 27 (8.06%) Microsoft Exchange
3 26 (7.76%) Apache Spark
4 14 (4.18%) nginx
5 8 (2.39%) OpenStack
6 5 (1.49%) IIS
7 2 (0.60%) Confluence
7 2 (0.60%) SharePoint
8 1 (0.30%) Tomcat
Applications
1 14 (4.18%) Simulink
2 2 (0.60%) CATIA
2 2 (0.60%) Microsoft Office
2 2 (0.60%) NASTRAN
Business Applications
1 16 (4.78%) Fidessa
2 4 (1.19%) Oracle Cash Management
3 2 (0.60%) Teamcenter
Cloud Services
1 145 (43.28%) Azure
2 91 (27.16%) AWS
3 51 (15.22%) Azure DevOps
4 48 (14.33%) OpenShift
5 43 (12.84%) Microsoft 365
6 40 (11.94%) IBM Cloud
7 37 (11.04%) GCP
8 27 (8.06%) Amazon EKS
8 27 (8.06%) AWS Lambda
8 27 (8.06%) Serverless
9 26 (7.76%) AWS CloudFormation
10 18 (5.37%) Entra ID
11 15 (4.48%) SaaS
12 8 (2.39%) Azure Sentinel
12 8 (2.39%) Cloud Computing
13 5 (1.49%) Amazon S3
14 3 (0.90%) Datadog
14 3 (0.90%) PaaS
14 3 (0.90%) Stackdriver
15 1 (0.30%) Virtual Private Cloud
Communications & Networking
1 41 (12.24%) DNS
2 36 (10.75%) Firewall
3 32 (9.55%) DHCP
4 28 (8.36%) TCP/IP
5 26 (7.76%) AMQP
6 24 (7.16%) WAN
7 23 (6.87%) LAN
8 18 (5.37%) VPN
9 16 (4.78%) FIX Connectivity
10 12 (3.58%) BGP
10 12 (3.58%) SAN
11 11 (3.28%) Ethernet VPN
11 11 (3.28%) MPLS
12 8 (2.39%) HTTPS
12 8 (2.39%) SSL
13 7 (2.09%) OpenVPN
14 6 (1.79%) Wireless
15 5 (1.49%) HTTP
15 5 (1.49%) Internet
16 4 (1.19%) VoIP
Database & Business Intelligence
1 45 (13.43%) SQL Server
2 41 (12.24%) MongoDB
3 28 (8.36%) Big Data
3 28 (8.36%) Hadoop
4 26 (7.76%) Cloudera CDH
4 26 (7.76%) NoSQL
5 17 (5.07%) PostgreSQL
6 15 (4.48%) MySQL
7 7 (2.09%) InfluxDB
7 7 (2.09%) Ingres
8 6 (1.79%) MariaDB
9 2 (0.60%) Elasticsearch
9 2 (0.60%) RDBMS
9 2 (0.60%) Relational Database
10 1 (0.30%) Amazon RDS
Development Applications
1 53 (15.82%) Git
2 24 (7.16%) Vagrant
3 19 (5.67%) JIRA
4 15 (4.48%) Jenkins
5 12 (3.58%) 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 89 (26.57%) Finance
2 42 (12.54%) Public Sector
3 33 (9.85%) Social Skills
4 31 (9.25%) Banking
5 29 (8.66%) Aerospace
6 27 (8.06%) Telecoms
7 20 (5.97%) Analytical Skills
8 16 (4.78%) Financial Institution
9 8 (2.39%) Law
10 5 (1.49%) Retail
11 4 (1.19%) 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 (22.39%) Administrator
2 49 (14.63%) Linux Engineer
3 45 (13.43%) Software Engineer
4 36 (10.75%) Linux Administrator
5 34 (10.15%) Linux Systems Administrator
6 32 (9.55%) DBA
7 31 (9.25%) Systems Administrator
8 27 (8.06%) DV Cleared DBA
9 26 (7.76%) DV Cleared Software Engineer
10 25 (7.46%) Infrastructure Engineer
11 24 (7.16%) Support Engineer
12 18 (5.37%) Developer
13 17 (5.07%) Senior
14 16 (4.78%) Applications Support
15 14 (4.18%) SC Cleared Software Engineer
16 13 (3.88%) DevOps Engineer
16 13 (3.88%) Lead
17 12 (3.58%) Linux Systems Engineer
17 12 (3.58%) Systems Engineer
18 11 (3.28%) Support Analyst
Libraries, Frameworks & Software Standards
1 37 (11.04%) REST
2 34 (10.15%) React
3 27 (8.06%) Node.js
3 27 (8.06%) RabbitMQ
4 26 (7.76%) AngularJS
4 26 (7.76%) gRPC
4 26 (7.76%) Material-UI
4 26 (7.76%) Middleware
4 26 (7.76%) OpenAPI
4 26 (7.76%) Spring
4 26 (7.76%) Spring Boot
4 26 (7.76%) Swagger
5 16 (4.78%) FIX Protocol
6 12 (3.58%) Kafka
7 11 (3.28%) JSON
7 11 (3.28%) NETCONF
7 11 (3.28%) SOAP
7 11 (3.28%) XML
7 11 (3.28%) YAML
7 11 (3.28%) YANG
Miscellaneous
1 48 (14.33%) Hybrid Cloud
2 40 (11.94%) Blockchain
2 40 (11.94%) Distributed Systems
3 27 (8.06%) Cloud Native
4 22 (6.57%) Linux Command Line
5 16 (4.78%) Eurex
6 15 (4.48%) Data Centre
7 12 (3.58%) Public Cloud
7 12 (3.58%) Replication
8 10 (2.99%) PKI
9 8 (2.39%) Cyber Threat
9 8 (2.39%) Cyberattack
9 8 (2.39%) Data Fabric
10 7 (2.09%) Foreign Exchange (FX)
10 7 (2.09%) Management Information System
11 5 (1.49%) Self-Motivation
12 4 (1.19%) Clustering
12 4 (1.19%) Cyber Kill Chain
12 4 (1.19%) Onboarding
12 4 (1.19%) SWIFT Messaging Network
Operating Systems
1 335 (100.00%) Linux
2 128 (38.21%) Red Hat Enterprise Linux
3 122 (36.42%) Ubuntu
3 122 (36.42%) Windows
4 86 (25.67%) Debian
5 63 (18.81%) Unix
6 56 (16.72%) Windows Server 2016
7 44 (13.13%) Windows Server
8 40 (11.94%) Alpine Linux
8 40 (11.94%) Windows Server 2012
8 40 (11.94%) Windows Server 2019
9 23 (6.87%) Solaris
10 20 (5.97%) CoreOS
11 19 (5.67%) Windows 10
12 15 (4.48%) Android
12 15 (4.48%) SUSE
13 12 (3.58%) zOS
14 9 (2.69%) Mac OS
15 7 (2.09%) Rocky
16 3 (0.90%) Windows Server 2008
Processes & Methodologies
1 87 (25.97%) DevOps
2 61 (18.21%) Artificial Intelligence
3 59 (17.61%) CI/CD
4 58 (17.31%) Agile
5 56 (16.72%) Actionable Insight
6 52 (15.52%) Software Engineering
7 51 (15.22%) ITIL
8 49 (14.63%) Infrastructure as Code
8 49 (14.63%) Task Automation
9 45 (13.43%) Containerisation
10 42 (12.54%) Collaborative Working
11 41 (12.24%) Mentoring
11 41 (12.24%) Microservices
12 40 (11.94%) Co-Creation
12 40 (11.94%) Data Science
12 40 (11.94%) Functional Testing
12 40 (11.94%) Open Source
12 40 (11.94%) Scrum
12 40 (11.94%) Separation of Concerns
12 40 (11.94%) Technology Transformation
Programming Languages
1 148 (44.18%) Python
2 109 (32.54%) Bash
3 89 (26.57%) SQL
4 78 (23.28%) PowerShell
5 67 (20.00%) JavaScript
6 58 (17.31%) Java
7 37 (11.04%) Perl
8 22 (6.57%) Shell Script
9 18 (5.37%) C++
10 16 (4.78%) Ruby
11 15 (4.48%) Kotlin
12 8 (2.39%) TypeScript
13 7 (2.09%) C#
14 6 (1.79%) PHP
15 3 (0.90%) AWK
15 3 (0.90%) C
15 3 (0.90%) Go
15 3 (0.90%) sed
16 1 (0.30%) Tcl
16 1 (0.30%) VBScript
Qualifications
1 132 (39.40%) Security Cleared
2 99 (29.55%) DV Cleared
3 82 (24.48%) SC Cleared
4 46 (13.73%) MCSA
4 46 (13.73%) MCSE
4 46 (13.73%) Microsoft Certification
5 41 (12.24%) Azure Certification
6 28 (8.36%) Degree
7 14 (4.18%) Computer Science Degree
8 7 (2.09%) RHCE
9 6 (1.79%) CCNA
9 6 (1.79%) Cisco Certification
10 5 (1.49%) RHCSA
11 4 (1.19%) CISM
11 4 (1.19%) 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%) ISEB
Quality Assurance & Compliance
1 8 (2.39%) SLA
2 6 (1.79%) ISO/IEC 27001
3 5 (1.49%) NIST
4 4 (1.19%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 3 (0.90%) HIPAA
6 1 (0.30%) PCI DSS
System Software
1 83 (24.78%) Docker
2 44 (13.13%) Active Directory
3 43 (12.84%) VMware Infrastructure
4 22 (6.57%) vSphere
5 14 (4.18%) Hyper-V
5 14 (4.18%) VMware ESXi
6 9 (2.69%) Virtual Machines
7 7 (2.09%) VMware Workstation
8 6 (1.79%) Citrix Hypervisor
8 6 (1.79%) KVM
9 5 (1.49%) VMware Server
10 4 (1.19%) VMware NSX
11 3 (0.90%) NFS
12 2 (0.60%) Kamailio
12 2 (0.60%) Postfix
13 1 (0.30%) Dovecot
13 1 (0.30%) etcd
13 1 (0.30%) Firmware
13 1 (0.30%) Microsoft Virtual Server
13 1 (0.30%) Virtual Servers
Systems Management
1 126 (37.61%) Ansible
2 105 (31.34%) Kubernetes
3 103 (30.75%) Terraform
4 65 (19.40%) Puppet
5 23 (6.87%) vCenter Server
6 8 (2.39%) Progress Chef
6 8 (2.39%) Red Hat Spacewalk
7 7 (2.09%) Nagios
8 5 (1.49%) Failover Clustering
8 5 (1.49%) Prometheus
9 4 (1.19%) Grafana
9 4 (1.19%) Nessus
9 4 (1.19%) Rundeck
9 4 (1.19%) ZABBIX
10 3 (0.90%) EMC NetWorker
10 3 (0.90%) Graphite
10 3 (0.90%) SCCM
11 2 (0.60%) HAProxy
11 2 (0.60%) Microsoft Intune
11 2 (0.60%) WSUS
Vendors
1 196 (58.51%) Red Hat
2 76 (22.69%) VMware
3 72 (21.49%) Microsoft
4 54 (16.12%) Oracle
5 49 (14.63%) IBM
6 37 (11.04%) Cisco
7 29 (8.66%) SaltStack
8 27 (8.06%) Google
9 16 (4.78%) Bloomberg
9 16 (4.78%) CQG
9 16 (4.78%) ION Trading
9 16 (4.78%) Patsystems
9 16 (4.78%) Reuters
9 16 (4.78%) Trayport
10 14 (4.18%) Xilinx
11 11 (3.28%) Citrix
11 11 (3.28%) Veeam
12 9 (2.69%) Fortinet
12 9 (2.69%) Juniper
12 9 (2.69%) Splunk