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

6 months to
29 Apr 2024
Same period 2023 Same period 2022
Rank 580 665 664
Rank change year-on-year +85 -1 -224
Permanent jobs citing CentOS 326 339 663
As % of all permanent jobs advertised in the UK 0.33% 0.33% 0.43%
As % of the Operating Systems category 2.31% 2.04% 2.25%
Number of salaries quoted 203 238 413
10th Percentile £36,000 £41,250 £32,500
25th Percentile £42,500 £43,750 £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 £67,500 £71,175
90th Percentile £92,000 £80,000 £82,500
UK excluding London median annual salary £50,000 £47,500 £46,500
% change year-on-year +5.26% +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 14,121 16,635 29,528
As % of all permanent jobs advertised in the UK 14.36% 15.99% 18.95%
Number of salaries quoted 10,927 11,200 16,776
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 29 April 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 29 April 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 +117 303 £50,000 -4.76% 51
UK excluding London +62 245 £50,000 +5.26% 48
South East +32 100 £47,500 +5.56% 10
Work from Home +26 88 £50,000 -4.76% 31
South West +23 76 £48,500 - 9
London +91 73 £85,000 +41.67% 11
Midlands +30 32 £46,250 -13.95% 10
North of England +4 18 £37,500 -21.05% 7
East Midlands -2 18 £50,000 -13.04% 4
West Midlands +35 14 £30,000 -36.84% 6
North West 0 13 £57,500 +21.05% 6
Scotland -47 7 £65,000 - 6
Yorkshire +71 5 £30,000 -40.00%
Isle of Man - 4 £43,000 -
Wales - 4 £50,000 - 1
Northern Ireland - 4 £52,500 - 2

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 30 (9.20%) Apache
2 27 (8.28%) Microsoft Exchange
3 24 (7.36%) Apache Spark
4 14 (4.29%) nginx
5 8 (2.45%) OpenStack
6 5 (1.53%) IIS
7 2 (0.61%) Confluence
7 2 (0.61%) SharePoint
8 1 (0.31%) Tomcat
Applications
1 10 (3.07%) Simulink
2 2 (0.61%) CATIA
2 2 (0.61%) Microsoft Office
2 2 (0.61%) NASTRAN
Business Applications
1 16 (4.91%) Fidessa
2 3 (0.92%) Oracle Cash Management
3 2 (0.61%) Teamcenter
Cloud Services
1 133 (40.80%) Azure
2 83 (25.46%) AWS
3 51 (15.64%) Azure DevOps
4 46 (14.11%) OpenShift
5 42 (12.88%) Microsoft 365
6 40 (12.27%) IBM Cloud
7 34 (10.43%) GCP
8 25 (7.67%) Amazon EKS
8 25 (7.67%) AWS Lambda
8 25 (7.67%) Serverless
9 24 (7.36%) AWS CloudFormation
10 17 (5.21%) Entra ID
11 14 (4.29%) SaaS
12 8 (2.45%) Azure Sentinel
13 7 (2.15%) Cloud Computing
14 5 (1.53%) Amazon S3
15 2 (0.61%) Datadog
15 2 (0.61%) PaaS
15 2 (0.61%) Stackdriver
16 1 (0.31%) Amazon SQS
Communications & Networking
1 39 (11.96%) DNS
2 34 (10.43%) Firewall
3 30 (9.20%) DHCP
4 25 (7.67%) TCP/IP
4 25 (7.67%) WAN
5 24 (7.36%) AMQP
5 24 (7.36%) LAN
6 17 (5.21%) VPN
7 16 (4.91%) FIX Connectivity
8 13 (3.99%) SAN
9 12 (3.68%) BGP
10 11 (3.37%) Ethernet VPN
10 11 (3.37%) MPLS
11 8 (2.45%) HTTPS
11 8 (2.45%) SSL
12 7 (2.15%) OpenVPN
13 6 (1.84%) HTTP
13 6 (1.84%) Wireless
14 5 (1.53%) Internet
15 4 (1.23%) Fibre Channel
Database & Business Intelligence
1 45 (13.80%) SQL Server
2 41 (12.58%) MongoDB
3 25 (7.67%) Big Data
3 25 (7.67%) Hadoop
4 24 (7.36%) Cloudera CDH
5 22 (6.75%) NoSQL
6 17 (5.21%) PostgreSQL
7 15 (4.60%) MySQL
8 7 (2.15%) InfluxDB
8 7 (2.15%) Ingres
9 6 (1.84%) MariaDB
10 2 (0.61%) Elasticsearch
10 2 (0.61%) RDBMS
10 2 (0.61%) Relational Database
11 1 (0.31%) Amazon RDS
Development Applications
1 48 (14.72%) Git
2 20 (6.13%) Vagrant
3 19 (5.83%) JIRA
4 14 (4.29%) Jenkins
5 12 (3.68%) GitLab
6 2 (0.61%) Subversion
7 1 (0.31%) Atlassian Bamboo
7 1 (0.31%) Bitbucket
7 1 (0.31%) Robot Framework
General
1 89 (27.30%) Finance
2 42 (12.88%) Public Sector
3 31 (9.51%) Banking
4 29 (8.90%) Social Skills
5 26 (7.98%) Aerospace
6 25 (7.67%) Telecoms
7 19 (5.83%) Analytical Skills
8 16 (4.91%) Financial Institution
9 7 (2.15%) Law
10 5 (1.53%) Retail
11 3 (0.92%) Presentation Skills
12 2 (0.61%) Documentation Skills
12 2 (0.61%) Influencing Skills
13 1 (0.31%) Back Office
13 1 (0.31%) Front Office
13 1 (0.31%) iGaming
13 1 (0.31%) Inclusion and Diversity
13 1 (0.31%) Investment Banking
Job Titles
1 73 (22.39%) Administrator
2 48 (14.72%) Linux Engineer
3 39 (11.96%) Software Engineer
4 34 (10.43%) Linux Administrator
5 33 (10.12%) Linux Systems Administrator
6 32 (9.82%) DBA
7 30 (9.20%) Systems Administrator
8 27 (8.28%) DV Cleared DBA
9 25 (7.67%) Infrastructure Engineer
10 24 (7.36%) DV Cleared Software Engineer
10 24 (7.36%) Support Engineer
11 18 (5.52%) Developer
12 16 (4.91%) Applications Support
13 15 (4.60%) Senior
14 13 (3.99%) Lead
15 12 (3.68%) DevOps Engineer
15 12 (3.68%) Linux Support
15 12 (3.68%) Systems Engineer
16 11 (3.37%) Financial Analyst
16 11 (3.37%) Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 35 (10.74%) REST
2 32 (9.82%) React
3 25 (7.67%) Node.js
3 25 (7.67%) RabbitMQ
4 24 (7.36%) AngularJS
4 24 (7.36%) gRPC
4 24 (7.36%) Material-UI
4 24 (7.36%) OpenAPI
4 24 (7.36%) Spring
4 24 (7.36%) Spring Boot
4 24 (7.36%) Swagger
5 20 (6.13%) Middleware
6 16 (4.91%) FIX Protocol
7 12 (3.68%) Kafka
8 11 (3.37%) JSON
8 11 (3.37%) NETCONF
8 11 (3.37%) SOAP
8 11 (3.37%) XML
8 11 (3.37%) YAML
8 11 (3.37%) YANG
Miscellaneous
1 48 (14.72%) Hybrid Cloud
2 40 (12.27%) Blockchain
2 40 (12.27%) Distributed Systems
3 25 (7.67%) Cloud Native
4 21 (6.44%) Linux Command Line
5 16 (4.91%) Eurex
6 15 (4.60%) Data Centre
7 12 (3.68%) Replication
8 11 (3.37%) Public Cloud
9 10 (3.07%) PKI
10 8 (2.45%) Cyber Threat
10 8 (2.45%) Cyberattack
10 8 (2.45%) Data Fabric
11 7 (2.15%) Foreign Exchange (FX)
12 6 (1.84%) Management Information System
13 5 (1.53%) Onboarding
13 5 (1.53%) Self-Motivation
14 4 (1.23%) Clustering
14 4 (1.23%) Cyber Kill Chain
15 3 (0.92%) Wiki
Operating Systems
1 326 (100.00%) Linux
2 123 (37.73%) Red Hat Enterprise Linux
3 121 (37.12%) Windows
4 110 (33.74%) Ubuntu
5 82 (25.15%) Debian
6 62 (19.02%) Unix
7 56 (17.18%) Windows Server 2016
8 43 (13.19%) Windows Server
9 40 (12.27%) Alpine Linux
9 40 (12.27%) Windows Server 2012
9 40 (12.27%) Windows Server 2019
10 23 (7.06%) Solaris
11 20 (6.13%) CoreOS
12 19 (5.83%) Windows 10
13 15 (4.60%) SUSE
14 12 (3.68%) zOS
15 11 (3.37%) Android
16 9 (2.76%) Mac OS
17 7 (2.15%) Rocky
18 3 (0.92%) Windows Server 2008
Processes & Methodologies
1 85 (26.07%) DevOps
2 59 (18.10%) CI/CD
3 58 (17.79%) Actionable Insight
4 57 (17.48%) Artificial Intelligence
5 55 (16.87%) Agile
6 50 (15.34%) ITIL
7 47 (14.42%) Task Automation
8 46 (14.11%) Software Engineering
9 43 (13.19%) Containerisation
9 43 (13.19%) Infrastructure as Code
10 41 (12.58%) Mentoring
11 40 (12.27%) Co-Creation
11 40 (12.27%) Data Science
11 40 (12.27%) Functional Testing
11 40 (12.27%) Separation of Concerns
11 40 (12.27%) Technology Transformation
12 39 (11.96%) Capacity Management
13 38 (11.66%) Scrum
14 37 (11.35%) Performance Monitoring
15 35 (10.74%) Open Source
Programming Languages
1 142 (43.56%) Python
2 108 (33.13%) Bash
3 85 (26.07%) SQL
4 77 (23.62%) PowerShell
5 60 (18.40%) JavaScript
6 50 (15.34%) Java
7 38 (11.66%) Perl
8 21 (6.44%) Shell Script
9 16 (4.91%) Ruby
10 14 (4.29%) C++
11 11 (3.37%) Kotlin
12 8 (2.45%) TypeScript
13 7 (2.15%) C#
13 7 (2.15%) PHP
14 3 (0.92%) AWK
14 3 (0.92%) Go
14 3 (0.92%) sed
15 2 (0.61%) C
16 1 (0.31%) Tcl
16 1 (0.31%) VBScript
Qualifications
1 126 (38.65%) Security Cleared
2 97 (29.75%) DV Cleared
3 76 (23.31%) SC Cleared
4 46 (14.11%) MCSA
4 46 (14.11%) MCSE
4 46 (14.11%) Microsoft Certification
5 40 (12.27%) Azure Certification
6 22 (6.75%) Degree
7 10 (3.07%) Computer Science Degree
8 5 (1.53%) CCNA
8 5 (1.53%) Cisco Certification
8 5 (1.53%) RHCE
8 5 (1.53%) RHCSA
9 4 (1.23%) CISM
9 4 (1.23%) CISSP
10 3 (0.92%) RHCT
11 2 (0.61%) CCNP
11 2 (0.61%) VMware Certified Professional (VCP)
12 1 (0.31%) ISTQB
12 1 (0.31%) JNCIA
Quality Assurance & Compliance
1 8 (2.45%) SLA
2 5 (1.53%) ISO/IEC 27001
2 5 (1.53%) NIST
3 4 (1.23%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 2 (0.61%) HIPAA
5 1 (0.31%) PCI DSS
System Software
1 83 (25.46%) Docker
2 43 (13.19%) Active Directory
3 41 (12.58%) VMware Infrastructure
4 22 (6.75%) vSphere
5 14 (4.29%) Hyper-V
5 14 (4.29%) VMware ESXi
6 7 (2.15%) VMware Workstation
7 6 (1.84%) Citrix Hypervisor
7 6 (1.84%) Virtual Machines
8 5 (1.53%) NFS
8 5 (1.53%) VMware Server
9 4 (1.23%) KVM
9 4 (1.23%) VMware NSX
10 2 (0.61%) Postfix
11 1 (0.31%) Dovecot
11 1 (0.31%) etcd
11 1 (0.31%) Firmware
11 1 (0.31%) Kamailio
11 1 (0.31%) Samba
Systems Management
1 117 (35.89%) Ansible
2 100 (30.67%) Kubernetes
3 97 (29.75%) Terraform
4 61 (18.71%) Puppet
5 23 (7.06%) vCenter Server
6 8 (2.45%) Red Hat Spacewalk
7 6 (1.84%) Nagios
7 6 (1.84%) Progress Chef
8 5 (1.53%) Failover Clustering
9 4 (1.23%) Nessus
9 4 (1.23%) Rundeck
10 3 (0.92%) EMC NetWorker
10 3 (0.92%) Prometheus
10 3 (0.92%) SCCM
10 3 (0.92%) ZABBIX
11 2 (0.61%) Grafana
11 2 (0.61%) Graphite
11 2 (0.61%) HAProxy
11 2 (0.61%) Microsoft Intune
11 2 (0.61%) WSUS
Vendors
1 191 (58.59%) Red Hat
2 74 (22.70%) VMware
3 71 (21.78%) Microsoft
4 53 (16.26%) Oracle
5 49 (15.03%) IBM
6 35 (10.74%) Cisco
7 25 (7.67%) Google
7 25 (7.67%) SaltStack
8 16 (4.91%) Bloomberg
8 16 (4.91%) CQG
8 16 (4.91%) ION Trading
8 16 (4.91%) Patsystems
8 16 (4.91%) Reuters
8 16 (4.91%) Trayport
9 11 (3.37%) Citrix
9 11 (3.37%) Veeam
10 10 (3.07%) Xilinx
11 8 (2.45%) Fortinet
11 8 (2.45%) Juniper
12 7 (2.15%) Remedy