The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for CentOS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CentOS over the 3 months to 25 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
CentOS Linux
UK / England
Rank 394 404 412
Rank change year-on-year +10 +8  
Permanent jobs citing CentOS 569 723 689
As % of all permanent IT jobs advertised in England 0.71% 0.75% 0.69%
As % of the Operating Systems category 2.99% 2.84% 2.55%
Number of salaries quoted 490 615 611
Median salary £50,000 £52,500 £45,000
Median salary % change year-on-year -4.76% +16.66%  
90% offered a salary of more than £35,000 £32,500 £30,000
10% offered a salary of more than £75,000 £70,000 £65,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

CentOS is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for operating system skills.

Operating System Skills
England
Permanent job vacancies with a requirement for operating system skills 19007 25424 27048
As % of all permanent IT job vacancies advertised in England 23.83% 26.25% 27.21%
Number of salaries quoted 16087 21571 22814
Median salary £42,500 £42,000 £41,000
Median salary % change year-on-year +1.19% +2.43%  
90% offered a salary of more than £25,000 £25,000 £24,000
10% offered a salary of more than £67,500 £65,000 £65,000
UK excluding London median salary £37,500 £37,500 £37,500

CentOS
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing CentOS as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for CentOS in England

CentOS
Salary Trend in England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS in England.

Salary trend for CentOS in England

CentOS
Salary Histogram in England

The salary distribution of IT jobs citing CentOS in England over the 3 months to 25 March 2017.

Salary histogram for CentOS in England

CentOS
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the England region over the 3 months to 25 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -18 244 £58,000 +5.45% 51
South East +55 150 £50,000 -4.76% 24
South West +25 42 £40,000 - 13
North West -17 38 £45,000 +28.57% 7
East of England +33 28 £45,000 +20.00% 3
West Midlands +28 23 £40,000 -13.04% 4
Yorkshire +1 19 £40,000 - 4
East Midlands +11 15 £31,500 -3.07%
North East +4 8 £35,925 -10.18% 3
CentOS
UK

CentOS
Top 30 Related IT Skills in England

For the 6 months to 25 March 2017, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the England region with a requirement for CentOS.

1 1245 (100.00%) Linux
2 670 (53.82%) Red Hat
3 538 (43.21%) DevOps
4 522 (41.93%) Python
5 473 (37.99%) Windows
5 473 (37.99%) Red Hat Enterprise Linux
6 464 (37.27%) Puppet
7 405 (32.53%) Bash Shell
8 362 (29.08%) Ubuntu
9 358 (28.76%) VMware
10 344 (27.63%) Amazon AWS
11 340 (27.31%) Opscode Chef
12 323 (25.94%) Apache
13 320 (25.70%) Ansible
14 308 (24.74%) MySQL
15 302 (24.26%) Java
16 296 (23.78%) Perl
17 242 (19.44%) Jenkins
18 240 (19.28%) VMware Infrastructure
19 238 (19.12%) Configuration Management
20 235 (18.88%) Agile Software Development
21 218 (17.51%) Git (software)
22 216 (17.35%) SQL
23 209 (16.79%) PHP
23 209 (16.79%) Open Source
24 197 (15.82%) Ruby
25 193 (15.50%) Windows Server
26 188 (15.10%) Continuous Integration
27 187 (15.02%) Docker
28 180 (14.46%) Debian

CentOS
Top Related IT Skills in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 323 (25.94%) Apache
2 147 (11.81%) Tomcat
3 135 (10.84%) nginx
4 98 (7.87%) IIS
5 85 (6.83%) Elasticsearch
6 58 (4.66%) OpenStack
7 55 (4.42%) Confluence
8 29 (2.33%) JBoss
9 22 (1.77%) Apache Spark
10 19 (1.53%) MS Exchange
11 18 (1.45%) CMS
11 18 (1.45%) WebSphere
12 16 (1.29%) WebLogic
13 11 (0.88%) Apache Solr
14 9 (0.72%) Cloud Foundry
14 9 (0.72%) Hubot
14 9 (0.72%) WordPress
15 8 (0.64%) Jetty
16 7 (0.56%) concrete5
17 6 (0.48%) ExpressionEngine
Applications
1 48 (3.86%) MS Excel
2 16 (1.29%) MS Office
3 11 (0.88%) Photoshop
4 3 (0.24%) MS Visio
5 2 (0.16%) Abaqus
5 2 (0.16%) HipChat
6 1 (0.080%) Adobe Premiere
6 1 (0.080%) GNU Octave
Business Applications
1 12 (0.96%) Magento
2 11 (0.88%) SAP Oil and Gas
3 6 (0.48%) Eloqua
3 6 (0.48%) Oracle EBS
4 2 (0.16%) OpenCart
5 1 (0.080%) Dynamics CRM
5 1 (0.080%) Oracle Applications
Cloud Services
1 344 (27.63%) Amazon AWS
2 101 (8.11%) SaaS
3 85 (6.83%) Microsoft Azure
4 52 (4.18%) Amazon EC2
5 47 (3.78%) AWS CloudFormation
6 44 (3.53%) Amazon S3
7 43 (3.45%) IaaS
8 36 (2.89%) PaaS
9 26 (2.09%) Cloud Computing
10 23 (1.85%) Azure Active Directory
11 21 (1.69%) Amazon CloudWatch
11 21 (1.69%) Amazon SQS
12 16 (1.29%) Office 365
13 14 (1.12%) GitHub
14 13 (1.04%) Slack
15 12 (0.96%) Google Cloud Platform
16 9 (0.72%) Virtual Private Cloud
17 8 (0.64%) Amazon ELB
18 7 (0.56%) G Suite
18 7 (0.56%) Route 53
Communications & Networking
1 158 (12.69%) TCP/IP
2 156 (12.53%) DNS
3 139 (11.16%) Firewall
4 117 (9.40%) SAN
5 94 (7.55%) VPN
6 77 (6.18%) WAN
7 70 (5.62%) HTTP
8 65 (5.22%) LAN
9 60 (4.82%) LDAP
10 48 (3.86%) DHCP
11 41 (3.29%) Internet
12 39 (3.13%) Network Security
13 36 (2.89%) SSH
14 35 (2.81%) VoIP
15 33 (2.65%) SNMP
15 33 (2.65%) VLAN
16 29 (2.33%) SSL
17 28 (2.25%) Cisco ASA
17 28 (2.25%) Kerberos
17 28 (2.25%) SMTP
Database & Business Intelligence
1 308 (24.74%) MySQL
2 102 (8.19%) NoSQL
3 95 (7.63%) SQL Server
4 81 (6.51%) MongoDB
5 71 (5.70%) PostgreSQL
6 68 (5.46%) Hadoop
7 63 (5.06%) Apache Cassandra
7 63 (5.06%) Redis
8 56 (4.50%) Big Data
9 32 (2.57%) Amazon RDS
10 30 (2.41%) Relational Database
11 24 (1.93%) MariaDB
12 18 (1.45%) Data Warehouse
13 14 (1.12%) CouchDB
14 12 (0.96%) Oracle Database
15 11 (0.88%) Neo4j
15 11 (0.88%) Pentaho
16 9 (0.72%) RDBMS
16 9 (0.72%) SAP HANA
16 9 (0.72%) SQL Server 2008
Development Applications
1 242 (19.44%) Jenkins
2 218 (17.51%) Git (software)
3 99 (7.95%) JIRA
4 80 (6.43%) Vagrant
5 57 (4.58%) Atlassian Bamboo
6 52 (4.18%) TeamCity
7 50 (4.02%) Subversion
8 34 (2.73%) Maven
9 32 (2.57%) Bitbucket
9 32 (2.57%) JUnit
10 28 (2.25%) Octopus Deploy
11 19 (1.53%) EasyMock
12 15 (1.20%) Selenium
13 13 (1.04%) Gradle
13 13 (1.04%) Hudson
13 13 (1.04%) Talend Open Studio
14 12 (0.96%) Ant
15 11 (0.88%) FishEye
16 9 (0.72%) MSBuild
16 9 (0.72%) Team Foundation Server
General
1 157 (12.61%) Finance
2 71 (5.70%) Telecoms
3 51 (4.10%) Marketing
4 43 (3.45%) Games
5 31 (2.49%) Banking
6 16 (1.29%) Electronics
7 15 (1.20%) Advertising
7 15 (1.20%) Billing
7 15 (1.20%) Manufacturing
7 15 (1.20%) Retail
8 11 (0.88%) Front Office
8 11 (0.88%) Legal
9 9 (0.72%) German Language
10 7 (0.56%) Back Office
10 7 (0.56%) Financial Institution
11 5 (0.40%) French Language
12 4 (0.32%) Law
12 4 (0.32%) Pharmaceutical
13 2 (0.16%) Music Industry
13 2 (0.16%) Publishing
Job Titles
1 316 (25.38%) Systems Administrator
2 313 (25.14%) Administrator
3 306 (24.58%) DevOps Engineer
4 268 (21.53%) Linux Engineer
5 212 (17.03%) Linux Systems Administrator
6 208 (16.71%) Linux Administrator
7 121 (9.72%) Linux/Unix DevOps
8 99 (7.95%) Linux DevOps Engineer
9 93 (7.47%) Developer
10 89 (7.15%) Systems Engineer
11 72 (5.78%) Senior Systems Administrator
12 71 (5.70%) Support Engineer
13 70 (5.62%) Senior DevOps
14 69 (5.54%) Senior DevOps Engineer
15 68 (5.46%) Infrastructure Engineer
16 62 (4.98%) Linux Systems Engineer
17 59 (4.74%) AWS Engineer
18 57 (4.58%) AWS DevOps
19 54 (4.34%) DevOps Administrator
20 53 (4.26%) Senior Linux Administrator
Libraries, Frameworks & Software Standards
1 157 (12.61%) LAMP
2 149 (11.97%) Web Services
3 90 (7.23%) HTML
4 75 (6.02%) Node.js
5 59 (4.74%) RESTful
6 53 (4.26%) CSS
7 49 (3.94%) .NET
8 48 (3.86%) Elastic Stack
9 46 (3.69%) LEMP Stack
10 37 (2.97%) AngularJS
11 32 (2.57%) Spring
12 31 (2.49%) jQuery
13 29 (2.33%) ActiveMQ
14 28 (2.25%) JSON
15 26 (2.09%) Kafka
15 26 (2.09%) RabbitMQ
16 24 (1.93%) Sensu
17 21 (1.69%) Java EE
17 21 (1.69%) Memcached
18 20 (1.61%) Apache Camel
Miscellaneous
1 113 (9.08%) Data Centre
2 89 (7.15%) Computer Science
3 79 (6.35%) Analytical Skills
4 58 (4.66%) Linux Command Line
5 47 (3.78%) Fintech
6 37 (2.97%) Hedge funds
7 28 (2.25%) Clustering
8 26 (2.09%) Management Information System
9 25 (2.01%) Mobile App
10 23 (1.85%) PKI
10 23 (1.85%) Wiki
11 19 (1.53%) Cyberthreat
12 14 (1.12%) Enterprise Software
12 14 (1.12%) Replication
13 12 (0.96%) iPad
13 12 (0.96%) Smart Meter
14 11 (0.88%) Driving Licence
14 11 (0.88%) Private Cloud
14 11 (0.88%) Public Cloud
15 9 (0.72%) CMDB
Operating Systems
1 1245 (100.00%) Linux
2 473 (37.99%) Red Hat Enterprise Linux
2 473 (37.99%) Windows
3 362 (29.08%) Ubuntu
4 193 (15.50%) Windows Server
5 180 (14.46%) Debian
6 166 (13.33%) Unix
7 124 (9.96%) Windows Server 2012
8 101 (8.11%) Windows Server 2008
9 49 (3.94%) Solaris
10 44 (3.53%) Fedora
11 28 (2.25%) SUSE Linux Enterprise Server
12 23 (1.85%) SUSE
13 21 (1.69%) AIX
14 20 (1.61%) Oracle Linux
15 18 (1.45%) Windows Server 2003
16 15 (1.20%) HPUX
17 13 (1.04%) Windows 7
17 13 (1.04%) Windows 8
18 10 (0.80%) Mac OS
Processes & Methodologies
1 538 (43.21%) DevOps
2 238 (19.12%) Configuration Management
3 235 (18.88%) Agile Software Development
4 209 (16.79%) Open Source
5 188 (15.10%) Continuous Integration
6 114 (9.16%) ITIL
7 105 (8.43%) High Availability
8 79 (6.35%) Scrum
9 74 (5.94%) Software Engineering
10 67 (5.38%) Microservices
11 66 (5.30%) E-Commerce
12 65 (5.22%) Mentoring
13 64 (5.14%) Continuous Delivery
14 55 (4.42%) Analytics
15 51 (4.10%) Performance Monitoring
16 50 (4.02%) OO
17 44 (3.53%) Cybersecurity
18 42 (3.37%) Business Intelligence
19 41 (3.29%) SIEM
20 39 (3.13%) Load Balancing
Programming Languages
1 522 (41.93%) Python
2 405 (32.53%) Bash Shell
3 302 (24.26%) Java
4 296 (23.78%) Perl
5 216 (17.35%) SQL
6 209 (16.79%) PHP
7 197 (15.82%) Ruby
8 123 (9.88%) JavaScript
9 83 (6.67%) PowerShell
10 79 (6.35%) C
11 74 (5.94%) Shell Script
12 59 (4.74%) C++
13 34 (2.73%) Groovy
14 25 (2.01%) C#
14 25 (2.01%) Korn
15 19 (1.53%) Scala
16 18 (1.45%) AWK
17 16 (1.29%) Bourne shell
18 15 (1.20%) Go
18 15 (1.20%) Lua
Qualifications
1 118 (9.48%) Degree
2 82 (6.59%) Security Cleared
3 54 (4.34%) Cisco Certification
4 40 (3.21%) CISSP
5 38 (3.05%) SC Cleared
6 35 (2.81%) AWS Certification
6 35 (2.81%) Microsoft Certification
7 33 (2.65%) CCNA
8 28 (2.25%) CEH
8 28 (2.25%) GCIA
9 26 (2.09%) RHCA
10 23 (1.85%) VMware Certified Professional (VCP)
11 19 (1.53%) CCNP
12 18 (1.45%) DV Cleared
12 18 (1.45%) RHCE
13 12 (0.96%) RHCSA
14 10 (0.80%) CCSP
15 9 (0.72%) MCSA
16 8 (0.64%) MCSE
17 7 (0.56%) VCP6
Quality Assurance & Compliance
1 31 (2.49%) QA
2 24 (1.93%) ISO/IEC 27001
3 19 (1.53%) SLA
4 15 (1.20%) PCI DSS
5 2 (0.16%) GPG13
6 1 (0.080%) Cyber Essentials
6 1 (0.080%) GDPR
6 1 (0.080%) ISO 9001
6 1 (0.080%) Sarbanes-Oxley
System Software
1 240 (19.28%) VMware Infrastructure
2 187 (15.02%) Docker
3 157 (12.61%) Active Directory
4 66 (5.30%) KVM
5 60 (4.82%) Hyper-V
6 52 (4.18%) Varnish
7 50 (4.02%) vSphere
8 40 (3.21%) Xen
9 29 (2.33%) XenServer
10 28 (2.25%) iptables
10 28 (2.25%) VirtualBox
11 27 (2.17%) Virtual Machines
12 25 (2.01%) NFS
12 25 (2.01%) VMware ESXi
13 20 (1.61%) vCloud
14 18 (1.45%) Postfix
14 18 (1.45%) Virtual Servers
15 14 (1.12%) Kamailio
16 13 (1.04%) Squid
17 10 (0.80%) qmail
Systems Management
1 464 (37.27%) Puppet
2 340 (27.31%) Opscode Chef
3 320 (25.70%) Ansible
4 136 (10.92%) Nagios
5 87 (6.99%) Terraform
6 86 (6.91%) Salt
7 61 (4.90%) Kubernetes
8 50 (4.02%) SELinux
9 47 (3.78%) ZABBIX
10 38 (3.05%) Grafana
11 32 (2.57%) logstash
12 31 (2.49%) Mesos
13 28 (2.25%) CFEngine
14 26 (2.09%) Kibana
15 25 (2.01%) HAProxy
15 25 (2.01%) Packer
16 22 (1.77%) Consul
17 21 (1.69%) cPanel
17 21 (1.69%) Graphite
18 17 (1.37%) Rundeck
Vendors
1 670 (53.82%) Red Hat
2 358 (28.76%) VMware
3 150 (12.05%) Cisco
4 130 (10.44%) Microsoft
5 79 (6.35%) Oracle
6 60 (4.82%) HP
7 57 (4.58%) Google
8 47 (3.78%) New Relic
9 40 (3.21%) Atlassian
10 36 (2.89%) Juniper
11 32 (2.57%) Dell
12 30 (2.41%) EMC
13 26 (2.09%) Sun
14 24 (1.93%) SAP
15 22 (1.77%) Citrix
16 18 (1.45%) SaltStack
16 18 (1.45%) Trend Micro
17 16 (1.29%) Apple
18 15 (1.20%) NetApp
19 14 (1.12%) ServiceNow
City, London
Harrington Starr
Salary: £70000 - £90000 per annum
Posted: 8 hours ago
Manchester, Lancashire
Oscar
Salary: £40000 - £50000 per annum
Posted: Yesterday
Reading, Berkshire
Oscar
Salary: £40000 - £50000 per annum + Benefits
Posted: 10 hours ago
Chester, Cheshire
Oscar
Salary: £40000 - £50000 per annum
Posted: Yesterday
Sheffield, South Yorkshire
Recruit 4 Talent
Salary: £40000 - £45000 Per Annum bonus benefits
Posted: Yesterday
City, London
Oliver Bernard
Salary: £90000 - £110000 per annum + Benefits
Posted: 2 days ago
Reading, Berkshire
ARC IT Recruitment Ltd
Salary: to 33k
Posted: Yesterday
London
Austin Fraser
Salary: £30000 - £55000 per annum
Posted: 3 days ago
South East
Stepstone UK
Posted: Yesterday
Bristol, Avon
Hargreaves Lansdown
Salary: Competitive
Posted: Yesterday
Oxford, Oxfordshire
Big Red Recruitment
Salary: £45000 - £60000 per annum + competitive package
Posted: 2 days ago
North West London
Franklin Fitch Limited
Salary: Up to £55,000 per annum
Posted: 2 days ago
Bristol, Avon
Sanderson
Salary: £30000 - £45000 per annum + Benefits
Posted: Yesterday
City, London
Premier IT
Salary: £45000.00 - £55000.00 per annum
Posted: 3 days ago
London
Digitech Resourcing Ltd
Salary: From £550 to £650 per day
Posted: 2 days ago
London
Seven Recruitment
Salary: From £75,000 to £90,000 per annum
Posted: 2 days ago
London
Seven Recruitment
Salary: From £70,000 to £90,000 per annum
Posted: 2 days ago
London
Verticality Ltd
Salary: £50000 - £65000 per annum, Benefits Benefits & equity
Posted: 3 days ago
London
Austin Fraser
Salary: £50000 - £70000 per annum
Posted: 3 days ago
Reading, Berkshire
Searchability
Salary: £30000 - £45000 per annum
Posted: 4 days ago
London
Quant Capital
Salary: Up to £60,000 per annum + benefits
Posted: 3 days ago
Reading, Berkshire
Deanslist Limited
Salary: From £40,000 to £50,000 per annum + Bonus + Excellent Benefits
Posted: 3 days ago
Bristol, Avon
Itecco
Salary: £35000 per annum + Excellent Benefits
Posted: 4 days ago
Sheffield, South Yorkshire
Capita Resourcing - IT Resourcing
Salary: £35000.00 - £45000.00 per annum
Posted: 4 days ago
London
Digitech Resourcing Ltd
Salary: From £65,000 to £70,000 per annum plus bonus and benefits
Posted: 2 days ago
Croydon, Surrey
Client Server
Salary: £50k to £60k + bonus + benefits
Posted: 3 days ago
Gloucestershire
Informatiq Consulting
Salary: £40000 - £45000 per annum + Benefits
Posted: 4 days ago
Manchester, Lancashire
Informatiq Consulting
Salary: £55000 - £60000 per annum + Benefits
Posted: 4 days ago
City, London
Evolution Recruitment Solutions
Salary: 35,000 - 45,000
Posted: 2 days ago
Bristol, Avon
Haybrook IT Resourcing Ltd
Salary: Up to £42,000 per annum
Posted: 2 days ago