The table below looks at the statistics for CentOS skills in IT jobs advertised for the Hemel Hempstead region. Included is a guide to the salaries offered in IT jobs that have cited CentOS over the 3 months to 30 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
30 Jul 2016
Same period 2015 Same period 2014
CentOS Linux
Rank - 55 49
Permanent jobs citing CentOS 0 1 1
As % of all permanent IT jobs located in Hemel Hempstead - 0.29% 0.29%
As % of the Operating Systems category - 0.68% 1.08%
Number of salaries quoted 0 1 1
Median salary - £30,000 £65,000
Median salary % change year-on-year
- -53.84%
UK excluding London median salary £47,500 £42,500 £40,000
% change year-on-year
+11.76% +6.25%
CentOS
Hertfordshire

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in permanent jobs advertised in the Hemel Hempstead region.

Operating Systems Category
Hemel Hempstead
Permanent IT job ads with a match in the
Operating Systems category
65 146 93
As % of all permanent IT jobs located in Hemel Hempstead 24.81% 42.69% 26.80%
Number of salaries quoted 52 122 88
Median salary £42,000 £40,000 £45,000
Median salary % change year-on-year
+5.00% -11.11%
90% offered a salary of more than £32,500 £25,000 £30,000
10% offered a salary of more than £65,000 £65,000 £52,500
UK excluding London median salary £38,500 £37,500 £36,000
% change year-on-year
+2.66% +4.16%

CentOS
Jobs Demand Trend in Hemel Hempstead

The demand trend of job ads across the Hemel Hempstead region citing CentOS as a proportion of all IT jobs with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Hemel Hempstead

CentOS
Salary Trend in Hemel Hempstead

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CentOS across the Hemel Hempstead region.

CentOS Salary Trend in Hemel Hempstead

CentOS
Top 30 Related IT Skills in Hemel Hempstead

For the 6 months to 30 July 2016, 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 Hemel Hempstead region with a requirement for CentOS.

1 5 (100.00%) Linux
2 3 (60.00%) TCP/IP
2 3 (60.00%) DNS
2 3 (60.00%) Red Hat
2 3 (60.00%) VMware
2 3 (60.00%) Load Balancing
2 3 (60.00%) Windows
3 2 (40.00%) Windows Server
3 2 (40.00%) F5
3 2 (40.00%) VMware Infrastructure
3 2 (40.00%) Ubuntu
3 2 (40.00%) Aruba
3 2 (40.00%) Firewall
3 2 (40.00%) Wi-Fi
3 2 (40.00%) Wireless
3 2 (40.00%) LAMP
3 2 (40.00%) Debian
3 2 (40.00%) CheckPoint
3 2 (40.00%) Cisco
3 2 (40.00%) Cisco Certification
3 2 (40.00%) Juniper
3 2 (40.00%) SAN
3 2 (40.00%) CCNP
3 2 (40.00%) Apache
3 2 (40.00%) PHP
3 2 (40.00%) MySQL
3 2 (40.00%) Unix
4 1 (20.00%) Perl
4 1 (20.00%) ITIL
4 1 (20.00%) POP3

CentOS
Top Related IT Skills in Hemel Hempstead 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 2 (40.00%) Apache
Communications & Networking
1 3 (60.00%) DNS
1 3 (60.00%) TCP/IP
2 2 (40.00%) Firewall
2 2 (40.00%) SAN
2 2 (40.00%) Wi-Fi
2 2 (40.00%) Wireless
3 1 (20.00%) FTP
3 1 (20.00%) IMAP
3 1 (20.00%) NAS
3 1 (20.00%) POP3
3 1 (20.00%) SMTP
3 1 (20.00%) SSH
3 1 (20.00%) SSL
Database & Business Intelligence
1 2 (40.00%) MySQL
Job Titles
1 2 (40.00%) Administrator
1 2 (40.00%) Linux Administrator
1 2 (40.00%) Linux Systems Administrator
1 2 (40.00%) Systems Administrator
2 1 (20.00%) Infrastructure Team Leader
2 1 (20.00%) IT Infrastructure Team Leader
2 1 (20.00%) Network Engineer
2 1 (20.00%) Senior Linux Administrator
2 1 (20.00%) Senior Linux Systems Administrator
2 1 (20.00%) Senior Network Engineer
2 1 (20.00%) Senior Server Engineer
2 1 (20.00%) Senior Systems Administrator
2 1 (20.00%) Server Engineer
2 1 (20.00%) Team Leader
Libraries, Frameworks & Software Standards
1 2 (40.00%) LAMP
Miscellaneous
1 1 (20.00%) Data Centre
Operating Systems
1 5 (100.00%) Linux
2 3 (60.00%) Windows
3 2 (40.00%) Debian
3 2 (40.00%) Ubuntu
3 2 (40.00%) Unix
3 2 (40.00%) Windows Server
4 1 (20.00%) Red Hat Enterprise Linux
4 1 (20.00%) Windows Server 2008
4 1 (20.00%) Windows Server 2012
Processes & Methodologies
1 3 (60.00%) Load Balancing
2 1 (20.00%) ITIL
2 1 (20.00%) Virtual Infrastructure
Programming Languages
1 2 (40.00%) PHP
2 1 (20.00%) Bash Shell
2 1 (20.00%) Perl
Qualifications
1 2 (40.00%) CCNP
1 2 (40.00%) Cisco Certification
2 1 (20.00%) CCIE
2 1 (20.00%) CCNA
Quality Assurance & Compliance
1 1 (20.00%) SLA
System Software
1 2 (40.00%) VMware Infrastructure
2 1 (20.00%) Active Directory
2 1 (20.00%) iptables
2 1 (20.00%) Sendmail
2 1 (20.00%) vSphere
Systems Management
1 1 (20.00%) cPanel
Vendors
1 3 (60.00%) Red Hat
1 3 (60.00%) VMware
2 2 (40.00%) Aruba
2 2 (40.00%) CheckPoint
2 2 (40.00%) Cisco
2 2 (40.00%) F5
2 2 (40.00%) Juniper
3 1 (20.00%) 3PAR
3 1 (20.00%) HP
3 1 (20.00%) Microsoft