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

6 months to
2 May 2024
Same period 2023 Same period 2022
Rank 569 655 668
Rank change year-on-year +86 +13 -218
Permanent jobs citing CentOS 331 337 653
As % of all permanent jobs advertised in the UK 0.34% 0.32% 0.42%
As % of the Operating Systems category 2.35% 2.03% 2.21%
Number of salaries quoted 206 235 407
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 £68,125 £70,838
90th Percentile £92,000 £83,000 £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 14,115 16,608 29,573
As % of all permanent jobs advertised in the UK 14.32% 16.00% 18.94%
Number of salaries quoted 10,920 11,176 16,749
10th Percentile £25,760 £27,000 £26,250
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 2 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 2 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 +96 308 £50,000 -4.76% 48
UK excluding London +54 249 £50,000 +5.26% 37
South East +48 101 £47,500 +5.56% 10
Work from Home +41 91 £50,000 -4.76% 23
South West +14 79 £49,250 +1.55% 9
London +88 74 £85,000 +41.67% 13
Midlands +23 32 £46,250 -13.95% 6
North of England +18 18 £37,500 -21.05% 7
East Midlands -4 18 £50,000 -13.04% 3
West Midlands +29 14 £30,000 -36.84% 3
North West -1 13 £57,500 +21.05% 6
Scotland -52 7 £65,000 - 2
Yorkshire +73 5 £30,000 -40.00%
Northern Ireland - 4 £52,500 -
Isle of Man - 4 £43,000 -
Wales - 4 £50,000 - 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 32 (9.67%) Apache
2 26 (7.85%) Microsoft Exchange
3 25 (7.55%) Apache Spark
4 14 (4.23%) nginx
5 8 (2.42%) OpenStack
6 5 (1.51%) IIS
7 2 (0.60%) Confluence
7 2 (0.60%) SharePoint
8 1 (0.30%) Tomcat
Applications
1 12 (3.63%) Simulink
2 2 (0.60%) CATIA
2 2 (0.60%) Microsoft Office
2 2 (0.60%) NASTRAN
Business Applications
1 15 (4.53%) Fidessa
2 3 (0.91%) Oracle Cash Management
3 2 (0.60%) Teamcenter
Cloud Services
1 137 (41.39%) Azure
2 86 (25.98%) AWS
3 51 (15.41%) Azure DevOps
4 47 (14.20%) OpenShift
5 42 (12.69%) Microsoft 365
6 40 (12.08%) IBM Cloud
7 35 (10.57%) GCP
8 26 (7.85%) Amazon EKS
8 26 (7.85%) AWS Lambda
8 26 (7.85%) Serverless
9 25 (7.55%) AWS CloudFormation
10 17 (5.14%) Entra ID
11 14 (4.23%) SaaS
12 8 (2.42%) Azure Sentinel
12 8 (2.42%) Cloud Computing
13 5 (1.51%) Amazon S3
14 2 (0.60%) Datadog
14 2 (0.60%) PaaS
14 2 (0.60%) Stackdriver
15 1 (0.30%) Route 53
Communications & Networking
1 40 (12.08%) DNS
2 33 (9.97%) Firewall
3 30 (9.06%) DHCP
4 26 (7.85%) TCP/IP
4 26 (7.85%) WAN
5 25 (7.55%) AMQP
5 25 (7.55%) LAN
6 17 (5.14%) VPN
7 15 (4.53%) FIX Connectivity
8 14 (4.23%) SAN
9 12 (3.63%) BGP
10 11 (3.32%) Ethernet VPN
10 11 (3.32%) MPLS
11 8 (2.42%) HTTPS
11 8 (2.42%) SSL
12 7 (2.11%) OpenVPN
13 6 (1.81%) HTTP
13 6 (1.81%) Wireless
14 5 (1.51%) Internet
15 4 (1.21%) VoIP
Database & Business Intelligence
1 44 (13.29%) SQL Server
2 42 (12.69%) MongoDB
3 26 (7.85%) Big Data
3 26 (7.85%) Hadoop
4 25 (7.55%) Cloudera CDH
5 24 (7.25%) NoSQL
6 17 (5.14%) PostgreSQL
7 15 (4.53%) MySQL
8 7 (2.11%) InfluxDB
8 7 (2.11%) Ingres
9 6 (1.81%) MariaDB
10 2 (0.60%) Elasticsearch
10 2 (0.60%) RDBMS
10 2 (0.60%) Relational Database
11 1 (0.30%) Amazon RDS
Development Applications
1 50 (15.11%) Git
2 22 (6.65%) Vagrant
3 19 (5.74%) JIRA
4 14 (4.23%) Jenkins
5 12 (3.63%) 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 (26.89%) Finance
2 42 (12.69%) Public Sector
3 31 (9.37%) Social Skills
4 30 (9.06%) Banking
5 27 (8.16%) Aerospace
6 26 (7.85%) Telecoms
7 19 (5.74%) Analytical Skills
8 16 (4.83%) Financial Institution
9 7 (2.11%) Law
10 5 (1.51%) Retail
11 3 (0.91%) 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
Job Titles
1 75 (22.66%) Administrator
2 50 (15.11%) Linux Engineer
3 42 (12.69%) Software Engineer
4 35 (10.57%) Linux Administrator
5 34 (10.27%) Linux Systems Administrator
6 33 (9.97%) DBA
7 31 (9.37%) Systems Administrator
8 28 (8.46%) DV Cleared DBA
9 25 (7.55%) DV Cleared Software Engineer
9 25 (7.55%) Infrastructure Engineer
10 24 (7.25%) Support Engineer
11 18 (5.44%) Developer
12 16 (4.83%) Senior
13 15 (4.53%) Applications Support
14 13 (3.93%) Lead
15 12 (3.63%) DevOps Engineer
15 12 (3.63%) Linux Systems Engineer
15 12 (3.63%) SC Cleared Software Engineer
15 12 (3.63%) Systems Engineer
16 11 (3.32%) Linux Support
Libraries, Frameworks & Software Standards
1 36 (10.88%) REST
2 33 (9.97%) React
3 26 (7.85%) Node.js
3 26 (7.85%) RabbitMQ
4 25 (7.55%) AngularJS
4 25 (7.55%) gRPC
4 25 (7.55%) Material-UI
4 25 (7.55%) OpenAPI
4 25 (7.55%) Spring
4 25 (7.55%) Spring Boot
4 25 (7.55%) Swagger
5 23 (6.95%) Middleware
6 15 (4.53%) FIX Protocol
7 12 (3.63%) Kafka
8 11 (3.32%) JSON
8 11 (3.32%) NETCONF
8 11 (3.32%) SOAP
8 11 (3.32%) XML
8 11 (3.32%) YAML
8 11 (3.32%) YANG
Miscellaneous
1 48 (14.50%) Hybrid Cloud
2 40 (12.08%) Blockchain
2 40 (12.08%) Distributed Systems
3 26 (7.85%) Cloud Native
4 21 (6.34%) Linux Command Line
5 15 (4.53%) Data Centre
5 15 (4.53%) Eurex
6 12 (3.63%) Replication
7 11 (3.32%) Public Cloud
8 10 (3.02%) PKI
9 8 (2.42%) Cyber Threat
9 8 (2.42%) Cyberattack
9 8 (2.42%) Data Fabric
10 7 (2.11%) Foreign Exchange (FX)
11 6 (1.81%) Management Information System
12 5 (1.51%) Onboarding
12 5 (1.51%) Self-Motivation
13 4 (1.21%) Clustering
13 4 (1.21%) Cyber Kill Chain
14 3 (0.91%) FPGA
Operating Systems
1 331 (100.00%) Linux
2 126 (38.07%) Red Hat Enterprise Linux
3 121 (36.56%) Windows
4 114 (34.44%) Ubuntu
5 83 (25.08%) Debian
6 62 (18.73%) Unix
7 57 (17.22%) Windows Server 2016
8 43 (12.99%) Windows Server
9 41 (12.39%) Windows Server 2012
9 41 (12.39%) Windows Server 2019
10 40 (12.08%) Alpine Linux
11 22 (6.65%) Solaris
12 20 (6.04%) CoreOS
13 19 (5.74%) Windows 10
14 15 (4.53%) SUSE
15 13 (3.93%) Android
16 12 (3.63%) zOS
17 9 (2.72%) Mac OS
18 7 (2.11%) Rocky
19 3 (0.91%) Windows Server 2008
Processes & Methodologies
1 85 (25.68%) DevOps
2 59 (17.82%) Artificial Intelligence
2 59 (17.82%) CI/CD
3 58 (17.52%) Actionable Insight
4 56 (16.92%) Agile
5 49 (14.80%) ITIL
5 49 (14.80%) Software Engineering
6 48 (14.50%) Task Automation
7 46 (13.90%) Infrastructure as Code
8 44 (13.29%) Containerisation
9 42 (12.69%) Mentoring
10 40 (12.08%) Capacity Management
10 40 (12.08%) Co-Creation
10 40 (12.08%) Data Science
10 40 (12.08%) Functional Testing
10 40 (12.08%) Separation of Concerns
10 40 (12.08%) Technology Transformation
11 39 (11.78%) Scrum
12 38 (11.48%) Collaborative Working
12 38 (11.48%) Microservices
Programming Languages
1 145 (43.81%) Python
2 109 (32.93%) Bash
3 87 (26.28%) SQL
4 77 (23.26%) PowerShell
5 62 (18.73%) JavaScript
6 54 (16.31%) Java
7 37 (11.18%) Perl
8 22 (6.65%) Shell Script
9 16 (4.83%) C++
10 15 (4.53%) Ruby
11 13 (3.93%) Kotlin
12 8 (2.42%) TypeScript
13 7 (2.11%) C#
13 7 (2.11%) PHP
14 3 (0.91%) AWK
14 3 (0.91%) C
14 3 (0.91%) Go
14 3 (0.91%) sed
15 1 (0.30%) Tcl
15 1 (0.30%) VBScript
Qualifications
1 130 (39.27%) Security Cleared
2 99 (29.91%) DV Cleared
3 79 (23.87%) SC Cleared
4 46 (13.90%) MCSA
4 46 (13.90%) MCSE
4 46 (13.90%) Microsoft Certification
5 40 (12.08%) Azure Certification
6 25 (7.55%) Degree
7 12 (3.63%) Computer Science Degree
8 6 (1.81%) RHCE
9 5 (1.51%) CCNA
9 5 (1.51%) Cisco Certification
9 5 (1.51%) RHCSA
10 4 (1.21%) CISM
10 4 (1.21%) CISSP
11 3 (0.91%) RHCT
12 2 (0.60%) CCNP
12 2 (0.60%) VMware Certified Professional (VCP)
13 1 (0.30%) ISEB
13 1 (0.30%) Linux+ Certification
Quality Assurance & Compliance
1 8 (2.42%) SLA
2 5 (1.51%) ISO/IEC 27001
2 5 (1.51%) NIST
3 4 (1.21%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 2 (0.60%) HIPAA
5 1 (0.30%) PCI DSS
System Software
1 83 (25.08%) Docker
2 43 (12.99%) Active Directory
3 42 (12.69%) VMware Infrastructure
4 22 (6.65%) vSphere
5 14 (4.23%) Hyper-V
5 14 (4.23%) VMware ESXi
6 7 (2.11%) Virtual Machines
6 7 (2.11%) VMware Workstation
7 6 (1.81%) Citrix Hypervisor
8 5 (1.51%) KVM
8 5 (1.51%) NFS
8 5 (1.51%) VMware Server
9 4 (1.21%) VMware NSX
10 2 (0.60%) Kamailio
10 2 (0.60%) Postfix
11 1 (0.30%) Dovecot
11 1 (0.30%) etcd
11 1 (0.30%) Firmware
11 1 (0.30%) Samba
Systems Management
1 122 (36.86%) Ansible
2 102 (30.82%) Kubernetes
3 100 (30.21%) Terraform
4 63 (19.03%) Puppet
5 23 (6.95%) vCenter Server
6 8 (2.42%) Red Hat Spacewalk
7 7 (2.11%) Progress Chef
8 6 (1.81%) Nagios
9 5 (1.51%) Failover Clustering
10 4 (1.21%) Nessus
10 4 (1.21%) Prometheus
10 4 (1.21%) Rundeck
11 3 (0.91%) EMC NetWorker
11 3 (0.91%) Grafana
11 3 (0.91%) SCCM
11 3 (0.91%) ZABBIX
12 2 (0.60%) Graphite
12 2 (0.60%) HAProxy
12 2 (0.60%) Microsoft Intune
12 2 (0.60%) WSUS
Vendors
1 195 (58.91%) Red Hat
2 75 (22.66%) VMware
3 72 (21.75%) Microsoft
4 54 (16.31%) Oracle
5 49 (14.80%) IBM
6 36 (10.88%) Cisco
7 27 (8.16%) SaltStack
8 26 (7.85%) Google
9 15 (4.53%) Bloomberg
9 15 (4.53%) CQG
9 15 (4.53%) ION Trading
9 15 (4.53%) Patsystems
9 15 (4.53%) Reuters
9 15 (4.53%) Trayport
10 12 (3.63%) Xilinx
11 11 (3.32%) Citrix
11 11 (3.32%) Veeam
12 8 (2.42%) Fortinet
12 8 (2.42%) Juniper
13 7 (2.11%) Remedy