Period
to 26 May 2020

The following table provides summary statistics for permanent job vacancies advertised in Gloucestershire 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 26 May 2020 with a comparison to the same period in the previous 2 years.

CentOS Linux
South West > Gloucestershire
6 months to
26 May 2020
Same period 2019 Same period 2018
Rank 74 98 85
Rank change year-on-year +24 -13 +30
Permanent jobs citing CentOS 31 30 41
As % of all permanent jobs advertised in Gloucestershire 2.76% 1.96% 2.63%
As % of the Operating Systems category 9.23% 6.30% 10.54%
Number of salaries quoted 26 24 28
Median annual salary £55,000 £47,500 £45,000
Median salary % change year-on-year +15.79% +5.56% +20.00%
10th Percentile £30,000 £37,500 £32,125
90th Percentile £77,500 £57,750 £55,000
South West median annual salary £43,750 £45,000 £45,000
% change year-on-year -2.78% - +20.00%

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 advertised in Gloucestershire with a requirement for operating system skills.

All Operating Systems
Gloucestershire
Permanent vacancies with a requirement for operating system skills 336 476 389
As % of all permanent IT jobs advertised in Gloucestershire 29.89% 31.07% 24.94%
Number of salaries quoted 261 357 290
Median annual salary £49,000 £45,000 £45,000
Median salary % change year-on-year +8.89% - +12.50%
10th Percentile £27,750 £27,650 £30,000
90th Percentile £71,250 £62,500 £66,250
South West median annual salary £40,000 £40,000 £40,000

CentOS
Job Vacancy Trend in Gloucestershire

Job postings citing CentOS as a proportion of all IT jobs advertised in Gloucestershire.

Job vacancy trend for CentOS in Gloucestershire

CentOS
Salary Trend in Gloucestershire

3-month moving average salary quoted in jobs citing CentOS in Gloucestershire.

Salary trend for CentOS in Gloucestershire

CentOS
Salary Histogram in Gloucestershire

Salary distribution for jobs citing CentOS in Gloucestershire over the 6 months to 26 May 2020.

Salary histogram for CentOS in Gloucestershire

CentOS
Job Locations in Gloucestershire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Gloucestershire region over the 6 months to 26 May 2020. 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
Job
Vacancies
Cheltenham -1 16 £50,000 +5.26%
Gloucester +13 4 £37,500 -28.57%
CentOS
South West

For the 6 months to 26 May 2020, IT jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Gloucestershire region with a requirement for CentOS.

1 31 (100.00%) Linux
2 22 (70.97%) Red Hat
2 22 (70.97%) Security Cleared
3 21 (67.74%) DV Cleared
4 20 (64.52%) Python
5 18 (58.06%) JIRA
5 18 (58.06%) Docker
6 17 (54.84%) Agile Software Development
6 17 (54.84%) Red Hat Enterprise Linux
7 15 (48.39%) Java
7 15 (48.39%) C
7 15 (48.39%) DevOps
8 14 (45.16%) Ansible
8 14 (45.16%) Confluence
9 13 (41.94%) VMware
9 13 (41.94%) Jenkins
10 12 (38.71%) Windows
10 12 (38.71%) Test Automation
11 11 (35.48%) Bash Shell
11 11 (35.48%) Software Engineering
11 11 (35.48%) Microsoft
11 11 (35.48%) Scrum
11 11 (35.48%) Kubernetes
11 11 (35.48%) Infrastructure Engineering
12 10 (32.26%) ITIL
12 10 (32.26%) VMware Infrastructure
13 9 (29.03%) PowerShell
13 9 (29.03%) Open Source
13 9 (29.03%) Business Development
13 9 (29.03%) C++

CentOS
Co-occurring IT Skills in Gloucestershire 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 14 (45.16%) Confluence
2 3 (9.68%) MS Exchange
3 1 (3.23%) Apache
3 1 (3.23%) Joomla!
3 1 (3.23%) WordPress
Cloud Services
1 7 (22.58%) Azure
2 6 (19.35%) AWS
3 2 (6.45%) Serverless
4 1 (3.23%) AWS CloudFormation
4 1 (3.23%) PaaS
Communications & Networking
1 4 (12.90%) DNS
2 3 (9.68%) Firewall
2 3 (9.68%) TCP/IP
3 2 (6.45%) OSPF
3 2 (6.45%) VLAN
4 1 (3.23%) Internet
4 1 (3.23%) VSAN
Database & Business Intelligence
1 4 (12.90%) Big Data
2 2 (6.45%) Apache Accumulo
2 2 (6.45%) Hadoop
2 2 (6.45%) MongoDB
2 2 (6.45%) MySQL
2 2 (6.45%) NoSQL
Development Applications
1 18 (58.06%) JIRA
2 13 (41.94%) Jenkins
3 4 (12.90%) Bitbucket
4 3 (9.68%) JUnit
5 2 (6.45%) Appium
5 2 (6.45%) Atlassian Bamboo
5 2 (6.45%) Bitbucket Server
5 2 (6.45%) Eclipse
5 2 (6.45%) eggPlant
5 2 (6.45%) Git (software)
5 2 (6.45%) LoadRunner
5 2 (6.45%) Maven
5 2 (6.45%) Selenium
5 2 (6.45%) SoapUI
5 2 (6.45%) TestRail
5 2 (6.45%) Visual Studio
6 1 (3.23%) EasyMock
6 1 (3.23%) Subversion
General
1 6 (19.35%) Legal
Job Titles
1 11 (35.48%) Infrastructure Engineer
2 7 (22.58%) Software Engineer
3 6 (19.35%) Principal Engineer
4 4 (12.90%) Developer
4 4 (12.90%) IT Engineer
4 4 (12.90%) IT Support
4 4 (12.90%) IT Support Engineer
4 4 (12.90%) Platform Engineer
4 4 (12.90%) Support Engineer
5 3 (9.68%) Java Engineer
5 3 (9.68%) Java Software Engineer
5 3 (9.68%) Lead Software Engineer
5 3 (9.68%) Linux Engineer
6 2 (6.45%) DevOps Engineer
6 2 (6.45%) Java Developer
6 2 (6.45%) Linux DevOps Engineer
6 2 (6.45%) Principal Software Engineer
6 2 (6.45%) Software Developer
6 2 (6.45%) Test Automation Engineer
6 2 (6.45%) Test Engineer
Libraries, Frameworks & Software Standards
1 9 (29.03%) Apache NiFi
2 8 (25.81%) Kafka
3 7 (22.58%) HTML
4 5 (16.13%) HTML5
4 5 (16.13%) Spring
5 4 (12.90%) Redux
5 4 (12.90%) Spring Boot
6 3 (9.68%) Web Services
7 2 (6.45%) .NET
7 2 (6.45%) .NET Framework
7 2 (6.45%) AngularJS
7 2 (6.45%) JSON
7 2 (6.45%) XML
8 1 (3.23%) EJB
8 1 (3.23%) Elastic Stack
8 1 (3.23%) Java EE
8 1 (3.23%) JSF
Miscellaneous
1 9 (29.03%) Analytical Skills
2 4 (12.90%) Cloud Native
2 4 (12.90%) Enterprise Storage
3 3 (9.68%) Greenfield Project
3 3 (9.68%) PKI
4 2 (6.45%) Cyberthreat
4 2 (6.45%) Hybrid Cloud
5 1 (3.23%) Cybercrime
5 1 (3.23%) Data Centre
5 1 (3.23%) Private Cloud
5 1 (3.23%) Public Cloud
5 1 (3.23%) Wiki
Operating Systems
1 31 (100.00%) Linux
2 17 (54.84%) Red Hat Enterprise Linux
3 12 (38.71%) Windows
4 7 (22.58%) Ubuntu
5 4 (12.90%) Fedora
5 4 (12.90%) Windows Server
5 4 (12.90%) Windows Server 2012
6 3 (9.68%) Windows Server 2008
7 1 (3.23%) FreeBSD
7 1 (3.23%) Windows 10
7 1 (3.23%) Windows 7
7 1 (3.23%) Windows Server 2019
Processes & Methodologies
1 17 (54.84%) Agile Software Development
2 15 (48.39%) DevOps
3 12 (38.71%) Test Automation
4 11 (35.48%) Infrastructure Engineering
4 11 (35.48%) Scrum
4 11 (35.48%) Software Engineering
5 10 (32.26%) ITIL
6 9 (29.03%) Business Development
6 9 (29.03%) Cybersecurity
6 9 (29.03%) Mentoring
6 9 (29.03%) Open Source
6 9 (29.03%) Service Management
6 9 (29.03%) Technical Leadership
7 7 (22.58%) OO
7 7 (22.58%) OOD
8 6 (19.35%) Configuration Management
9 5 (16.13%) Line Management
9 5 (16.13%) Service Delivery
10 4 (12.90%) SDLC
10 4 (12.90%) Task Automation
Programming Languages
1 20 (64.52%) Python
2 15 (48.39%) C
2 15 (48.39%) Java
3 11 (35.48%) Bash Shell
4 9 (29.03%) C++
4 9 (29.03%) PowerShell
5 5 (16.13%) JavaScript
6 4 (12.90%) C#
6 4 (12.90%) Java 8
7 2 (6.45%) Perl
7 2 (6.45%) PHP
7 2 (6.45%) SQL
7 2 (6.45%) VB
Qualifications
1 22 (70.97%) Security Cleared
2 21 (67.74%) DV Cleared
3 5 (16.13%) CCNA
3 5 (16.13%) Cisco Certification
3 5 (16.13%) Microsoft Certification
4 4 (12.90%) CISSP
4 4 (12.90%) CompTIA Security+
4 4 (12.90%) GIAC
4 4 (12.90%) Linux+ Certification
4 4 (12.90%) MCSE
4 4 (12.90%) Network+ Certification
4 4 (12.90%) SANS
4 4 (12.90%) SSCP
5 2 (6.45%) Degree
5 2 (6.45%) ISTQB
6 1 (3.23%) JNCIA
6 1 (3.23%) MCSA
6 1 (3.23%) SC Cleared
Quality Assurance & Compliance
1 3 (9.68%) SLA
System Software
1 18 (58.06%) Docker
2 10 (32.26%) VMware Infrastructure
3 6 (19.35%) VMware ESXi
4 5 (16.13%) Active Directory
5 4 (12.90%) NFS
5 4 (12.90%) Samba
5 4 (12.90%) VirtualBox
5 4 (12.90%) Xen
6 2 (6.45%) Apache ZooKeeper
6 2 (6.45%) vSphere
7 1 (3.23%) Firmware
7 1 (3.23%) Hyper-V
7 1 (3.23%) VMware NSX
Systems Management
1 14 (45.16%) Ansible
2 11 (35.48%) Kubernetes
3 8 (25.81%) Puppet
4 5 (16.13%) Nagios
5 4 (12.90%) Docker Swarm
5 4 (12.90%) OpenNMS
5 4 (12.90%) vCenter Server
5 4 (12.90%) ZABBIX
6 2 (6.45%) HP ALM
6 2 (6.45%) Terraform
6 2 (6.45%) vRealize
7 1 (3.23%) Check_MK
7 1 (3.23%) Grafana
7 1 (3.23%) Salt
7 1 (3.23%) SCCM
Vendors
1 22 (70.97%) Red Hat
2 13 (41.94%) VMware
3 11 (35.48%) Microsoft
4 7 (22.58%) Atlassian
5 4 (12.90%) Cloudera
5 4 (12.90%) Dell
5 4 (12.90%) EMC
5 4 (12.90%) Hortonworks
5 4 (12.90%) NetApp
5 4 (12.90%) SolarWinds
6 2 (6.45%) HP
7 1 (3.23%) Cisco