Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Guildford 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 22 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Surrey > Guildford
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 78 83 108
Rank change year-on-year +5 +25 -24
Permanent jobs citing CentOS 14 3 8
As % of all permanent IT jobs advertised in Guildford 1.65% 0.37% 0.63%
As % of the Operating Systems category 5.17% 1.12% 1.59%
Number of salaries quoted 13 3 7
Guildford median annual salary £65,000 £30,000 £42,500
Median salary % change year-on-year +116.67% -29.41% +13.33%
10th Percentile £62,500 £25,200 £36,550
90th Percentile £75,000 £41,000 £58,750
Surrey median annual salary £60,000 £55,000 £50,000
% change year-on-year +9.09% +10.00% +17.65%

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 Guildford with a requirement for operating system skills.

All Operating Systems
Guildford
Permanent vacancies with a requirement for operating system skills 271 268 504
As % of all permanent IT jobs advertised in Guildford 32.03% 33.09% 39.97%
Number of salaries quoted 242 253 454
Guildford median annual salary £37,750 £40,000 £38,500
Median salary % change year-on-year -5.63% +3.90% -9.94%
10th Percentile £22,100 £22,500 £25,000
90th Percentile £67,125 £61,250 £56,250
Surrey median annual salary £45,000 £45,000 £41,500
% change year-on-year - +8.43% -2.35%

CentOS
Job Vacancy Trend in Guildford

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

Job vacancy trend for CentOS in Guildford

CentOS
Salary Trend in Guildford

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

Salary trend for CentOS in Guildford

CentOS
Salary Histogram in Guildford

The salary distribution of IT jobs citing CentOS in Guildford over the 6 months to 22 November 2017.

Salary histogram for CentOS in Guildford

For the 6 months to 22 November 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 Guildford region with a requirement for CentOS.

1 14 (100.00%) Linux
2 13 (92.86%) SAN
2 13 (92.86%) Firewall
2 13 (92.86%) VMware
2 13 (92.86%) VMware Infrastructure
2 13 (92.86%) High Availability
2 13 (92.86%) Infrastructure Monitoring
3 12 (85.71%) Continuous Delivery
3 12 (85.71%) Private Cloud
3 12 (85.71%) Meraki
3 12 (85.71%) DevOps
3 12 (85.71%) Fortinet
3 12 (85.71%) NAS
3 12 (85.71%) vSphere
3 12 (85.71%) Capacity Planning
3 12 (85.71%) EqualLogic
3 12 (85.71%) SQL Server
3 12 (85.71%) Windows
3 12 (85.71%) TCP/IP
3 12 (85.71%) Cisco
3 12 (85.71%) Dell
4 6 (42.86%) SLA
5 5 (35.71%) Disaster Recovery
5 5 (35.71%) Nagios
5 5 (35.71%) Business Continuity
5 5 (35.71%) Opsview
6 1 (7.14%) Load Balancing
6 1 (7.14%) Red Hat Enterprise Linux
6 1 (7.14%) Configuration Management
6 1 (7.14%) MySQL

CentOS
Co-occurring IT Skills in Guildford 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 1 (7.14%) Apache
1 1 (7.14%) Tomcat
Communications & Networking
1 13 (92.86%) Firewall
1 13 (92.86%) SAN
2 12 (85.71%) NAS
2 12 (85.71%) TCP/IP
Database & Business Intelligence
1 12 (85.71%) SQL Server
2 1 (7.14%) MySQL
Job Titles
1 9 (64.29%) Infrastructure Manager
1 9 (64.29%) Infrastructure Services Manager
1 9 (64.29%) Service Manager
2 8 (57.14%) DevOps Manager
2 8 (57.14%) Lead DevOps
3 5 (35.71%) Infrastructure Team Leader
3 5 (35.71%) Team Leader
4 3 (21.43%) Cloud Infrastructure Manager
4 3 (21.43%) Head of Infrastructure
5 1 (7.14%) Administrator
5 1 (7.14%) Architect
5 1 (7.14%) Cloud Architect
5 1 (7.14%) Cloud Infrastructure Architect
5 1 (7.14%) Infrastructure Architect
5 1 (7.14%) Linux Administrator
5 1 (7.14%) Linux Engineer
5 1 (7.14%) Linux Systems Administrator
5 1 (7.14%) Systems Administrator
Miscellaneous
1 12 (85.71%) Private Cloud
Operating Systems
1 14 (100.00%) Linux
2 12 (85.71%) Windows
3 1 (7.14%) Red Hat Enterprise Linux
Processes & Methodologies
1 13 (92.86%) High Availability
1 13 (92.86%) Infrastructure Monitoring
2 12 (85.71%) Capacity Planning
2 12 (85.71%) Continuous Delivery
2 12 (85.71%) DevOps
3 5 (35.71%) Business Continuity
3 5 (35.71%) Disaster Recovery
4 1 (7.14%) Configuration Management
4 1 (7.14%) Load Balancing
Qualifications
1 1 (7.14%) RHCSA
Quality Assurance & Compliance
1 6 (42.86%) SLA
System Software
1 13 (92.86%) VMware Infrastructure
2 12 (85.71%) vSphere
3 1 (7.14%) Docker
Systems Management
1 5 (35.71%) Nagios
1 5 (35.71%) Opsview
Vendors
1 13 (92.86%) VMware
2 12 (85.71%) Cisco
2 12 (85.71%) Dell
2 12 (85.71%) EqualLogic
2 12 (85.71%) Fortinet
2 12 (85.71%) Meraki
3 1 (7.14%) Red Hat