Period
to 18 August 2019

The following table provides summary statistics for permanent job vacancies advertised in Berkshire 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 18 August 2019 with a comparison to the same period in the previous 2 years.

CentOS Linux
South East > Berkshire
6 months to
18 Aug 2019
Same period 2018 Same period 2017
Rank 212 210 129
Rank change year-on-year -2 -81 +63
Permanent jobs citing CentOS 32 61 150
As % of all permanent IT jobs advertised in Berkshire 0.56% 0.93% 2.32%
As % of the Operating Systems category 2.32% 3.57% 8.13%
Number of salaries quoted 27 53 133
Berkshire median annual salary £47,500 £55,000 £47,500
Median salary % change year-on-year -13.64% +15.79% -13.64%
10th Percentile £35,200 £37,500 £27,500
90th Percentile £71,250 £68,750 £68,750
South East median annual salary £50,000 £55,000 £46,250
% change year-on-year -9.09% +18.92% -11.90%

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 Berkshire with a requirement for operating system skills.

All Operating Systems
Berkshire
Permanent vacancies with a requirement for operating system skills 1,379 1,710 1,846
As % of all permanent IT jobs advertised in Berkshire 24.01% 25.96% 28.61%
Number of salaries quoted 1,192 1,412 1,529
Berkshire median annual salary £50,000 £46,000 £45,000
Median salary % change year-on-year +8.70% +2.22% -5.26%
10th Percentile £26,250 £26,000 £24,700
90th Percentile £75,000 £67,500 £67,500
South East median annual salary £44,000 £42,500 £41,500
% change year-on-year +3.53% +2.41% -2.35%

CentOS
Job Vacancy Trend in Berkshire

Job postings citing CentOS as a percentage of all IT jobs advertised in Berkshire.

Job vacancy trend for CentOS in Berkshire

CentOS
Salary Trend in Berkshire

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

Salary trend for CentOS in Berkshire

CentOS
Salary Histogram in Berkshire

The salary distribution of IT jobs citing CentOS in Berkshire over the 6 months to 18 August 2019.

Salary histogram for CentOS in Berkshire

CentOS
Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CentOS within the Berkshire region over the 6 months to 18 August 2019. 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
Reading -22 19 £47,500 -9.52% 5
Bracknell -4 4 £67,500 +68.75%
Slough +12 1 £45,000 -14.29%
Newbury +2 1 £27,500 -31.25%
Wokingham - 1 £35,000 -
CentOS
South East

For the 6 months to 18 August 2019, 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 Berkshire region with a requirement for CentOS.

1 28 (87.50%) Linux
2 20 (62.50%) Python
3 18 (56.25%) Red Hat Enterprise Linux
4 17 (53.13%) Unix
4 17 (53.13%) DevOps
5 16 (50.00%) Bash Shell
5 16 (50.00%) Git (software)
5 16 (50.00%) Security Cleared
5 16 (50.00%) Ubuntu
6 15 (46.88%) Debian
6 15 (46.88%) SSH
7 14 (43.75%) Network Security
7 14 (43.75%) Java
7 14 (43.75%) TCP/IP
8 12 (37.50%) Firewall
8 12 (37.50%) Finance
8 12 (37.50%) Ansible
8 12 (37.50%) Linux Command Line
9 11 (34.38%) Degree
9 11 (34.38%) JavaScript
9 11 (34.38%) C++
10 10 (31.25%) Open Source
11 9 (28.13%) Big Data
11 9 (28.13%) Terraform
12 8 (25.00%) SELinux
12 8 (25.00%) HTTP
12 8 (25.00%) DNS
12 8 (25.00%) Atlassian Bamboo
12 8 (25.00%) Continuous Integration
12 8 (25.00%) VMware

CentOS
Co-occurring IT Skills in Berkshire 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 4 (12.50%) Apache
1 4 (12.50%) Confluence
1 4 (12.50%) nginx
1 4 (12.50%) Tomcat
2 3 (9.38%) Elasticsearch
Applications
1 1 (3.13%) Microsoft Office
Business Applications
1 4 (12.50%) Cisco SocialMiner
Cloud Services
1 7 (21.88%) Amazon AWS
2 5 (15.63%) AWS CloudFormation
3 4 (12.50%) Amazon CloudWatch
4 3 (9.38%) Amazon EC2
4 3 (9.38%) Amazon ELB
4 3 (9.38%) Amazon S3
4 3 (9.38%) Google Cloud Platform
4 3 (9.38%) Microsoft Azure
4 3 (9.38%) Route 53
4 3 (9.38%) Virtual Private Cloud
5 2 (6.25%) SaaS
6 1 (3.13%) Datadog
6 1 (3.13%) IaaS
6 1 (3.13%) Office 365
Communications & Networking
1 15 (46.88%) SSH
2 14 (43.75%) Network Security
2 14 (43.75%) TCP/IP
3 12 (37.50%) Firewall
4 8 (25.00%) DNS
4 8 (25.00%) HTTP
5 7 (21.88%) DHCP
6 5 (15.63%) LAN
6 5 (15.63%) VPN
7 4 (12.50%) BGP
7 4 (12.50%) Cisco ICM
7 4 (12.50%) DSLAM
7 4 (12.50%) EIGRP
7 4 (12.50%) GPON
7 4 (12.50%) MPLS
7 4 (12.50%) MRTG
7 4 (12.50%) OSPF
7 4 (12.50%) VRRP
7 4 (12.50%) WAN
7 4 (12.50%) Wireless
Database & Business Intelligence
1 9 (28.13%) Big Data
2 7 (21.88%) Hadoop
3 4 (12.50%) MySQL
4 3 (9.38%) Amazon RDS
5 2 (6.25%) PostgreSQL
6 1 (3.13%) Amazon Athena
Development Applications
1 16 (50.00%) Git (software)
2 8 (25.00%) Atlassian Bamboo
3 7 (21.88%) Jenkins
3 7 (21.88%) Robot Framework
3 7 (21.88%) Selenium
4 4 (12.50%) JIRA
4 4 (12.50%) VSS/SourceSafe
5 3 (9.38%) Subversion
6 1 (3.13%) Travis CI
6 1 (3.13%) Vagrant
General
1 12 (37.50%) Finance
2 2 (6.25%) Retail
3 1 (3.13%) Automotive
Job Titles
1 8 (25.00%) DevOps Engineer
2 7 (21.88%) Open Source Engineer
2 7 (21.88%) Software Engineer
3 5 (15.63%) Linux Engineer
4 4 (12.50%) Linux Scripter
4 4 (12.50%) Network Engineer
4 4 (12.50%) Network Security Engineer
4 4 (12.50%) Security Engineer
4 4 (12.50%) Ubuntu Engineer
5 3 (9.38%) Analyst
5 3 (9.38%) Consultant
5 3 (9.38%) Deployment Engineer
5 3 (9.38%) Linux Consultant
5 3 (9.38%) Python Engineer
6 2 (6.25%) Data Analyst
6 2 (6.25%) Data Consultant
6 2 (6.25%) Java Consultant
6 2 (6.25%) Systems Administrator
6 2 (6.25%) Systems Engineer
6 2 (6.25%) Technical Analyst
Libraries, Frameworks & Software Standards
1 7 (21.88%) Apache NiFi
2 4 (12.50%) CGI
3 2 (6.25%) Elastic Stack
4 1 (3.13%) LDAP
4 1 (3.13%) Web Services
Miscellaneous
1 12 (37.50%) Linux Command Line
2 4 (12.50%) Algorithms
2 4 (12.50%) Data Centre
2 4 (12.50%) IVR
3 3 (9.38%) Data Protection Act
4 1 (3.13%) Public Cloud
4 1 (3.13%) User Experience
Operating Systems
1 28 (87.50%) Linux
2 18 (56.25%) Red Hat Enterprise Linux
3 17 (53.13%) Unix
4 16 (50.00%) Ubuntu
5 15 (46.88%) Debian
6 4 (12.50%) Amazon Linux
7 3 (9.38%) Solaris
7 3 (9.38%) Windows
8 2 (6.25%) SUSE
8 2 (6.25%) Windows Server
8 2 (6.25%) Windows Server 2008
9 1 (3.13%) AIX
9 1 (3.13%) DC/OS
9 1 (3.13%) Fedora
9 1 (3.13%) Windows 10
Processes & Methodologies
1 17 (53.13%) DevOps
2 10 (31.25%) Open Source
3 8 (25.00%) Continuous Integration
3 8 (25.00%) Software Engineering
4 7 (21.88%) API Integration
4 7 (21.88%) Deployment Automation
4 7 (21.88%) ITIL
4 7 (21.88%) Performance Analysis
4 7 (21.88%) Software Deployment
4 7 (21.88%) TDD
4 7 (21.88%) Technical Debt
4 7 (21.88%) Test Automation
4 7 (21.88%) Web Development
5 6 (18.75%) Configuration Management
5 6 (18.75%) Kalman Filter
6 4 (12.50%) Cisco ICM Scripting
6 4 (12.50%) Integration Testing
6 4 (12.50%) Prototyping
6 4 (12.50%) Rapid Prototyping
7 3 (9.38%) Auto-Scaling
Programming Languages
1 20 (62.50%) Python
2 16 (50.00%) Bash Shell
3 14 (43.75%) Java
4 11 (34.38%) C++
4 11 (34.38%) JavaScript
5 2 (6.25%) C
5 2 (6.25%) Perl
6 1 (3.13%) PHP
6 1 (3.13%) Ruby
6 1 (3.13%) SQL
Qualifications
1 16 (50.00%) Security Cleared
2 11 (34.38%) Degree
3 6 (18.75%) SC Cleared
4 3 (9.38%) DV Cleared
5 1 (3.13%) AWS Certification
5 1 (3.13%) CCNA
5 1 (3.13%) Cisco Certification
5 1 (3.13%) Microsoft Certification
Quality Assurance & Compliance
1 2 (6.25%) GDPR
1 2 (6.25%) ISO/IEC 27001
1 2 (6.25%) NIST
1 2 (6.25%) PCI DSS
2 1 (3.13%) SLA
System Software
1 7 (21.88%) VMware Infrastructure
2 5 (15.63%) VMware ESXi
3 4 (12.50%) iptables
4 3 (9.38%) Active Directory
4 3 (9.38%) Docker
5 2 (6.25%) Virtual Machines
6 1 (3.13%) Hyper-V
6 1 (3.13%) VirtualBox
Systems Management
1 12 (37.50%) Ansible
2 9 (28.13%) Terraform
3 8 (25.00%) SELinux
4 7 (21.88%) Ambari
5 4 (12.50%) Cisco CUCM
5 4 (12.50%) Cisco UCCE
5 4 (12.50%) Cisco UCCX
5 4 (12.50%) Opscode Chef
5 4 (12.50%) vCenter Server
5 4 (12.50%) vMotion
6 3 (9.38%) Kubernetes
6 3 (9.38%) Puppet
7 2 (6.25%) Docker Swarm
7 2 (6.25%) HAProxy
7 2 (6.25%) ZABBIX
8 1 (3.13%) Grafana
8 1 (3.13%) Graylog
8 1 (3.13%) Oracle Enterprise Manager
8 1 (3.13%) Packer
8 1 (3.13%) Salt
Vendors
1 8 (25.00%) VMware
2 5 (15.63%) Red Hat
2 5 (15.63%) Splunk
3 4 (12.50%) Atlassian
3 4 (12.50%) Cisco
3 4 (12.50%) F5
3 4 (12.50%) Palo Alto
3 4 (12.50%) ServiceNow
4 3 (9.38%) Google
4 3 (9.38%) SaltStack
5 1 (3.13%) Barracuda Networks
5 1 (3.13%) HP
5 1 (3.13%) Microsoft
5 1 (3.13%) NETGEAR
5 1 (3.13%) New Relic
5 1 (3.13%) Oracle
5 1 (3.13%) SolarWinds
5 1 (3.13%) SonicWALL
5 1 (3.13%) Symantec
5 1 (3.13%) Veeam