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

6 months to
7 May 2024
Same period 2023 Same period 2022
Rank 593 682 676
Rank change year-on-year +89 -6 -229
Permanent jobs citing CentOS 329 321 658
As % of all permanent jobs advertised in the UK 0.33% 0.32% 0.42%
As % of the Operating Systems category 2.35% 1.98% 2.20%
Number of salaries quoted 202 234 403
10th Percentile £36,000 £41,250 £32,500
25th Percentile £42,500 £43,188 £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 £69,688 £68,375
90th Percentile £91,999 £83,500 £82,500
UK excluding London median annual salary £50,000 £47,500 £46,500
% change year-on-year +5.26% +2.15% -5.58%

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 13,978 16,217 29,865
As % of all permanent jobs advertised in the UK 14.19% 15.97% 18.97%
Number of salaries quoted 10,769 10,941 16,610
10th Percentile £25,760 £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 7 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 7 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 +108 306 £50,000 -4.76% 49
UK excluding London +50 250 £50,000 +5.26% 39
South East +47 101 £47,500 +5.56% 10
Work from Home +27 87 £50,000 -4.76% 25
South West +11 80 £49,250 +1.55% 12
London +92 71 £83,750 +39.58% 10
Midlands +18 32 £46,250 -15.91% 5
North of England +20 18 £37,500 -21.05% 7
East Midlands -3 18 £50,000 -13.04% 3
West Midlands +21 14 £30,000 -36.84% 2
North West +8 13 £57,500 +21.05% 6
Scotland -58 7 £65,000 - 1
Yorkshire +64 5 £30,000 -52.00% 1
Wales +15 4 £50,000 +11.11% 1
Isle of Man - 4 £43,000 -
Northern Ireland - 4 £52,500 -

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 33 (10.03%) Apache
2 26 (7.90%) Apache Spark
2 26 (7.90%) Microsoft Exchange
3 14 (4.26%) nginx
4 8 (2.43%) OpenStack
5 5 (1.52%) IIS
6 2 (0.61%) Confluence
6 2 (0.61%) SharePoint
7 1 (0.30%) Tomcat
Applications
1 12 (3.65%) Simulink
2 2 (0.61%) CATIA
2 2 (0.61%) Microsoft Office
2 2 (0.61%) NASTRAN
Business Applications
1 15 (4.56%) Fidessa
2 3 (0.91%) Oracle Cash Management
3 2 (0.61%) Teamcenter
Cloud Services
1 139 (42.25%) Azure
2 86 (26.14%) AWS
3 51 (15.50%) Azure DevOps
4 48 (14.59%) OpenShift
5 42 (12.77%) Microsoft 365
6 40 (12.16%) IBM Cloud
7 36 (10.94%) GCP
8 27 (8.21%) Amazon EKS
8 27 (8.21%) AWS Lambda
8 27 (8.21%) Serverless
9 26 (7.90%) AWS CloudFormation
10 17 (5.17%) Entra ID
11 14 (4.26%) SaaS
12 8 (2.43%) Azure Sentinel
12 8 (2.43%) Cloud Computing
13 5 (1.52%) Amazon S3
14 2 (0.61%) Datadog
14 2 (0.61%) PaaS
14 2 (0.61%) Stackdriver
15 1 (0.30%) Route 53
Communications & Networking
1 39 (11.85%) DNS
2 33 (10.03%) Firewall
3 30 (9.12%) DHCP
4 26 (7.90%) AMQP
4 26 (7.90%) TCP/IP
5 24 (7.29%) WAN
6 23 (6.99%) LAN
7 17 (5.17%) VPN
8 15 (4.56%) FIX Connectivity
9 12 (3.65%) BGP
9 12 (3.65%) SAN
10 11 (3.34%) Ethernet VPN
10 11 (3.34%) MPLS
11 8 (2.43%) HTTPS
11 8 (2.43%) SSL
12 7 (2.13%) OpenVPN
13 6 (1.82%) Wireless
14 5 (1.52%) HTTP
14 5 (1.52%) Internet
15 4 (1.22%) VoIP
Database & Business Intelligence
1 44 (13.37%) SQL Server
2 42 (12.77%) MongoDB
3 28 (8.51%) Big Data
3 28 (8.51%) Hadoop
4 26 (7.90%) Cloudera CDH
5 24 (7.29%) NoSQL
6 17 (5.17%) PostgreSQL
7 15 (4.56%) MySQL
8 7 (2.13%) InfluxDB
8 7 (2.13%) Ingres
9 6 (1.82%) MariaDB
10 2 (0.61%) Elasticsearch
10 2 (0.61%) RDBMS
10 2 (0.61%) Relational Database
11 1 (0.30%) Amazon RDS
Development Applications
1 50 (15.20%) Git
2 22 (6.69%) Vagrant
3 19 (5.78%) JIRA
4 14 (4.26%) Jenkins
5 12 (3.65%) GitLab
6 2 (0.61%) Subversion
7 1 (0.30%) Atlassian Bamboo
7 1 (0.30%) Bitbucket
7 1 (0.30%) Robot Framework
General
1 89 (27.05%) Finance
2 42 (12.77%) Public Sector
3 30 (9.12%) Banking
3 30 (9.12%) Social Skills
4 29 (8.81%) Aerospace
5 26 (7.90%) Telecoms
6 19 (5.78%) Analytical Skills
7 16 (4.86%) Financial Institution
8 7 (2.13%) Law
9 5 (1.52%) Retail
10 3 (0.91%) Presentation Skills
11 2 (0.61%) Documentation Skills
11 2 (0.61%) Influencing Skills
12 1 (0.30%) Back Office
12 1 (0.30%) Front Office
12 1 (0.30%) iGaming
12 1 (0.30%) Inclusion and Diversity
12 1 (0.30%) Investment Banking
Job Titles
1 75 (22.80%) Administrator
2 48 (14.59%) Linux Engineer
3 43 (13.07%) Software Engineer
4 35 (10.64%) Linux Administrator
5 34 (10.33%) Linux Systems Administrator
6 33 (10.03%) DBA
7 31 (9.42%) Systems Administrator
8 28 (8.51%) DV Cleared DBA
9 26 (7.90%) DV Cleared Software Engineer
10 25 (7.60%) Infrastructure Engineer
11 24 (7.29%) Support Engineer
12 18 (5.47%) Developer
13 16 (4.86%) Senior
14 15 (4.56%) Applications Support
15 13 (3.95%) DevOps Engineer
15 13 (3.95%) Lead
16 12 (3.65%) Linux Systems Engineer
16 12 (3.65%) SC Cleared Software Engineer
16 12 (3.65%) Systems Engineer
17 10 (3.04%) 3rd Line Support
Libraries, Frameworks & Software Standards
1 37 (11.25%) REST
2 34 (10.33%) React
3 27 (8.21%) Node.js
3 27 (8.21%) RabbitMQ
4 26 (7.90%) AngularJS
4 26 (7.90%) gRPC
4 26 (7.90%) Material-UI
4 26 (7.90%) OpenAPI
4 26 (7.90%) Spring
4 26 (7.90%) Spring Boot
4 26 (7.90%) Swagger
5 23 (6.99%) Middleware
6 15 (4.56%) FIX Protocol
7 12 (3.65%) Kafka
8 11 (3.34%) JSON
8 11 (3.34%) NETCONF
8 11 (3.34%) SOAP
8 11 (3.34%) XML
8 11 (3.34%) YAML
8 11 (3.34%) YANG
Miscellaneous
1 48 (14.59%) Hybrid Cloud
2 40 (12.16%) Blockchain
2 40 (12.16%) Distributed Systems
3 27 (8.21%) Cloud Native
4 21 (6.38%) Linux Command Line
5 15 (4.56%) Data Centre
5 15 (4.56%) Eurex
6 12 (3.65%) Replication
7 11 (3.34%) Public Cloud
8 10 (3.04%) PKI
9 8 (2.43%) Cyber Threat
9 8 (2.43%) Cyberattack
9 8 (2.43%) Data Fabric
10 7 (2.13%) Foreign Exchange (FX)
11 6 (1.82%) Management Information System
12 5 (1.52%) Self-Motivation
13 4 (1.22%) Clustering
13 4 (1.22%) Cyber Kill Chain
13 4 (1.22%) Onboarding
14 3 (0.91%) FPGA
Operating Systems
1 329 (100.00%) Linux
2 126 (38.30%) Red Hat Enterprise Linux
3 121 (36.78%) Windows
4 116 (35.26%) Ubuntu
5 85 (25.84%) Debian
6 62 (18.84%) Unix
7 57 (17.33%) Windows Server 2016
8 43 (13.07%) Windows Server
9 41 (12.46%) Windows Server 2012
9 41 (12.46%) Windows Server 2019
10 40 (12.16%) Alpine Linux
11 22 (6.69%) Solaris
12 20 (6.08%) CoreOS
13 19 (5.78%) Windows 10
14 15 (4.56%) SUSE
15 13 (3.95%) Android
16 12 (3.65%) zOS
17 9 (2.74%) Mac OS
18 7 (2.13%) Rocky
19 3 (0.91%) Windows Server 2008
Processes & Methodologies
1 86 (26.14%) DevOps
2 59 (17.93%) Artificial Intelligence
2 59 (17.93%) CI/CD
3 58 (17.63%) Actionable Insight
3 58 (17.63%) Agile
4 50 (15.20%) Software Engineering
5 49 (14.89%) ITIL
6 48 (14.59%) Task Automation
7 47 (14.29%) Infrastructure as Code
8 45 (13.68%) Containerisation
9 42 (12.77%) Mentoring
10 40 (12.16%) Capacity Management
10 40 (12.16%) Co-Creation
10 40 (12.16%) Collaborative Working
10 40 (12.16%) Data Science
10 40 (12.16%) Functional Testing
10 40 (12.16%) Scrum
10 40 (12.16%) Separation of Concerns
10 40 (12.16%) Technology Transformation
11 39 (11.85%) Open Source
Programming Languages
1 143 (43.47%) Python
2 107 (32.52%) Bash
3 87 (26.44%) SQL
4 77 (23.40%) PowerShell
5 64 (19.45%) JavaScript
6 56 (17.02%) Java
7 35 (10.64%) Perl
8 21 (6.38%) Shell Script
9 16 (4.86%) C++
10 15 (4.56%) Ruby
11 13 (3.95%) Kotlin
12 8 (2.43%) TypeScript
13 7 (2.13%) C#
14 6 (1.82%) PHP
15 3 (0.91%) AWK
15 3 (0.91%) C
15 3 (0.91%) Go
15 3 (0.91%) sed
16 1 (0.30%) Tcl
16 1 (0.30%) VBScript
Qualifications
1 131 (39.82%) Security Cleared
2 100 (30.40%) DV Cleared
3 80 (24.32%) SC Cleared
4 46 (13.98%) MCSA
4 46 (13.98%) MCSE
4 46 (13.98%) Microsoft Certification
5 40 (12.16%) Azure Certification
6 25 (7.60%) Degree
7 12 (3.65%) Computer Science Degree
8 6 (1.82%) RHCE
9 5 (1.52%) CCNA
9 5 (1.52%) Cisco Certification
9 5 (1.52%) RHCSA
10 4 (1.22%) CISM
10 4 (1.22%) CISSP
11 3 (0.91%) RHCT
12 2 (0.61%) CCNP
12 2 (0.61%) VMware Certified Professional (VCP)
13 1 (0.30%) ISEB
13 1 (0.30%) Linux+ Certification
Quality Assurance & Compliance
1 8 (2.43%) SLA
2 5 (1.52%) ISO/IEC 27001
2 5 (1.52%) NIST
3 4 (1.22%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 2 (0.61%) HIPAA
5 1 (0.30%) PCI DSS
System Software
1 83 (25.23%) Docker
2 43 (13.07%) Active Directory
3 42 (12.77%) VMware Infrastructure
4 22 (6.69%) vSphere
5 14 (4.26%) Hyper-V
5 14 (4.26%) VMware ESXi
6 7 (2.13%) Virtual Machines
6 7 (2.13%) VMware Workstation
7 6 (1.82%) Citrix Hypervisor
8 5 (1.52%) KVM
8 5 (1.52%) VMware Server
9 4 (1.22%) VMware NSX
10 3 (0.91%) NFS
11 2 (0.61%) Kamailio
11 2 (0.61%) Postfix
12 1 (0.30%) Dovecot
12 1 (0.30%) etcd
12 1 (0.30%) Firmware
12 1 (0.30%) Samba
Systems Management
1 122 (37.08%) Ansible
2 104 (31.61%) Kubernetes
3 101 (30.70%) Terraform
4 64 (19.45%) Puppet
5 23 (6.99%) vCenter Server
6 8 (2.43%) Red Hat Spacewalk
7 7 (2.13%) Progress Chef
8 6 (1.82%) Nagios
9 5 (1.52%) Failover Clustering
10 4 (1.22%) Nessus
10 4 (1.22%) Prometheus
10 4 (1.22%) Rundeck
11 3 (0.91%) EMC NetWorker
11 3 (0.91%) Grafana
11 3 (0.91%) SCCM
11 3 (0.91%) ZABBIX
12 2 (0.61%) Graphite
12 2 (0.61%) HAProxy
12 2 (0.61%) Microsoft Intune
12 2 (0.61%) WSUS
Vendors
1 194 (58.97%) Red Hat
2 75 (22.80%) VMware
3 72 (21.88%) Microsoft
4 54 (16.41%) Oracle
5 49 (14.89%) IBM
6 36 (10.94%) Cisco
7 28 (8.51%) SaltStack
8 27 (8.21%) Google
9 15 (4.56%) Bloomberg
9 15 (4.56%) CQG
9 15 (4.56%) ION Trading
9 15 (4.56%) Patsystems
9 15 (4.56%) Reuters
9 15 (4.56%) Trayport
10 12 (3.65%) Xilinx
11 11 (3.34%) Citrix
11 11 (3.34%) Veeam
12 8 (2.43%) Fortinet
12 8 (2.43%) Juniper
13 7 (2.13%) Remedy