Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Farnborough 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 20 November 2017 with a comparison to the same period in the previous 2 years.

CentOS Linux
Hampshire > Farnborough
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 44 65 59
Rank change year-on-year +21 -6 -2
Permanent jobs citing CentOS 39 18 24
As % of all permanent IT jobs advertised in Farnborough 5.69% 2.36% 3.70%
As % of the Operating Systems category 14.94% 6.25% 7.95%
Number of salaries quoted 14 18 21
Farnborough median annual salary £62,500 £52,500 £50,000
Median salary % change year-on-year +19.05% +5.00% +2.56%
10th Percentile £42,000 £42,125 £43,750
90th Percentile £64,625 £64,000 £56,250
Hampshire median annual salary £40,000 £47,500 £42,500
% change year-on-year -15.79% +11.76% -

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 Farnborough with a requirement for operating system skills.

All Operating Systems
Farnborough
Permanent vacancies with a requirement for operating system skills 261 288 302
As % of all permanent IT jobs advertised in Farnborough 38.10% 37.75% 46.60%
Number of salaries quoted 200 234 284
Farnborough median annual salary £40,000 £37,500 £42,500
Median salary % change year-on-year +6.67% -11.76% +21.43%
10th Percentile £25,750 £23,750 £22,500
90th Percentile £61,250 £60,000 £62,500
Hampshire median annual salary £39,500 £40,000 £38,500
% change year-on-year -1.25% +3.90% -

CentOS
Job Vacancy Trend in Farnborough

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

Job vacancy trend for CentOS in Farnborough

CentOS
Salary Trend in Farnborough

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

Salary trend for CentOS in Farnborough

CentOS
Salary Histogram in Farnborough

The salary distribution of IT jobs citing CentOS in Farnborough over the 6 months to 20 November 2017.

Salary histogram for CentOS in Farnborough

For the 6 months to 20 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 Farnborough region with a requirement for CentOS.

1 39 (100.00%) Linux
2 27 (69.23%) Red Hat
3 26 (66.67%) Security Cleared
4 24 (61.54%) VMware
5 23 (58.97%) Python
6 22 (56.41%) Windows
7 20 (51.28%) Agile Software Development
7 20 (51.28%) SC Cleared
8 19 (48.72%) SAN
9 18 (46.15%) vCloud
10 17 (43.59%) VMware Infrastructure
10 17 (43.59%) Cisco
11 15 (38.46%) Amazon AWS
11 15 (38.46%) Bash Shell
11 15 (38.46%) Puppet
11 15 (38.46%) Opscode Chef
11 15 (38.46%) Ansible
12 14 (35.90%) Configuration Management
13 13 (33.33%) Data Centre
13 13 (33.33%) OpenStack
13 13 (33.33%) Red Hat Enterprise Linux
14 12 (30.77%) vSphere
14 12 (30.77%) Cloud Native
14 12 (30.77%) IPsec
14 12 (30.77%) SSL
14 12 (30.77%) TCP/IP
14 12 (30.77%) VPN
14 12 (30.77%) Oracle
15 11 (28.21%) Microsoft
16 10 (25.64%) Dell

CentOS
Co-occurring IT Skills in Farnborough 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 13 (33.33%) OpenStack
2 8 (20.51%) Apache
2 8 (20.51%) Cloud Foundry
3 7 (17.95%) Elasticsearch
3 7 (17.95%) nginx
3 7 (17.95%) Zimbra
Cloud Services
1 15 (38.46%) Amazon AWS
2 8 (20.51%) OpenShift
3 7 (17.95%) Microsoft Azure
4 6 (15.38%) PaaS
5 1 (2.56%) Office 365
Communications & Networking
1 19 (48.72%) SAN
2 12 (30.77%) IPsec
2 12 (30.77%) SSL
2 12 (30.77%) TCP/IP
2 12 (30.77%) VPN
3 7 (17.95%) Cisco IOS
3 7 (17.95%) Cisco Nexus
3 7 (17.95%) DHCP
3 7 (17.95%) DNS
4 4 (10.26%) Firewall
5 1 (2.56%) OSPF
5 1 (2.56%) RIP
Database & Business Intelligence
1 8 (20.51%) MySQL
2 7 (17.95%) Big Data
2 7 (17.95%) Hadoop
2 7 (17.95%) MongoDB
2 7 (17.95%) PostgreSQL
Development Applications
1 8 (20.51%) Jenkins
2 7 (17.95%) Git (software)
General
1 3 (7.69%) Aerospace
2 1 (2.56%) Banking
2 1 (2.56%) Law
Job Titles
1 14 (35.90%) Infrastructure Engineer
2 8 (20.51%) DevOps Engineer
3 7 (17.95%) Cloud Engineer
3 7 (17.95%) Cloud Infrastructure Engineer
3 7 (17.95%) Senior Infrastructure Engineer
3 7 (17.95%) Technical Leader
4 4 (10.26%) Network Engineer
5 3 (7.69%) Infrastructure Security Engineer
5 3 (7.69%) Security Engineer
5 3 (7.69%) Senior Security Engineer
6 2 (5.13%) Linux Engineer
7 1 (2.56%) Architect
7 1 (2.56%) Network Architect
7 1 (2.56%) Python Software Engineer
7 1 (2.56%) Senior Architect
7 1 (2.56%) Senior Network Architect
7 1 (2.56%) Senior Network Engineer
7 1 (2.56%) Senior Solutions Architect
7 1 (2.56%) Software Engineer
7 1 (2.56%) Solutions Architect
Libraries, Frameworks & Software Standards
1 1 (2.56%) LAMP
Miscellaneous
1 13 (33.33%) Data Centre
2 12 (30.77%) Cloud Native
3 10 (25.64%) Public Cloud
4 8 (20.51%) Computer Science
5 5 (12.82%) Enterprise Cloud
5 5 (12.82%) Management Information System
6 3 (7.69%) PKI
Operating Systems
1 39 (100.00%) Linux
2 22 (56.41%) Windows
3 13 (33.33%) Red Hat Enterprise Linux
4 10 (25.64%) Windows Server 2008
4 10 (25.64%) Windows Server 2012
5 7 (17.95%) Debian
6 2 (5.13%) Ubuntu
Processes & Methodologies
1 20 (51.28%) Agile Software Development
2 14 (35.90%) Configuration Management
3 8 (20.51%) Continuous Integration
3 8 (20.51%) DevOps
3 8 (20.51%) ITIL
3 8 (20.51%) Open Source
3 8 (20.51%) Software Engineering
3 8 (20.51%) TDD
4 7 (17.95%) Coaching
4 7 (17.95%) Scrum
4 7 (17.95%) Service Management
5 5 (12.82%) Capacity Planning
5 5 (12.82%) Continuous Improvement
5 5 (12.82%) Network Virtualisation
5 5 (12.82%) Problem Management
6 4 (10.26%) Boundary Protection
7 3 (7.69%) Supply Chain Management
8 1 (2.56%) Enterprise Architecture
8 1 (2.56%) Migration
8 1 (2.56%) Web Operations
Programming Languages
1 23 (58.97%) Python
2 15 (38.46%) Bash Shell
3 7 (17.95%) Java
3 7 (17.95%) Perl
3 7 (17.95%) PowerShell
3 7 (17.95%) Ruby
4 1 (2.56%) PHP
Qualifications
1 26 (66.67%) Security Cleared
2 20 (51.28%) SC Cleared
3 8 (20.51%) Degree
4 5 (12.82%) VCAP
5 4 (10.26%) CCNP
5 4 (10.26%) Cisco Certification
5 4 (10.26%) Microsoft Certification
6 3 (7.69%) CCDP
6 3 (7.69%) MCSE
7 1 (2.56%) CCNA
Quality Assurance & Compliance
1 1 (2.56%) QA
System Software
1 18 (46.15%) vCloud
2 17 (43.59%) VMware Infrastructure
3 12 (30.77%) vSphere
4 8 (20.51%) Docker
4 8 (20.51%) VMware NSX
5 7 (17.95%) Active Directory
5 7 (17.95%) Hyper-V
6 1 (2.56%) KVM
6 1 (2.56%) VMware ESXi
Systems Management
1 15 (38.46%) Ansible
1 15 (38.46%) Opscode Chef
1 15 (38.46%) Puppet
2 10 (25.64%) vCenter Server
3 7 (17.95%) Kubernetes
3 7 (17.95%) Terraform
4 3 (7.69%) vRealize
Vendors
1 27 (69.23%) Red Hat
2 24 (61.54%) VMware
3 17 (43.59%) Cisco
4 12 (30.77%) Oracle
5 11 (28.21%) Microsoft
6 10 (25.64%) Dell
7 7 (17.95%) Dell Compellent
7 7 (17.95%) Juniper
7 7 (17.95%) SaltStack
8 6 (15.38%) Lumension
9 5 (12.82%) Isilon
10 3 (7.69%) ArcSight
10 3 (7.69%) Barracuda Networks
10 3 (7.69%) Clearswift
10 3 (7.69%) F5
10 3 (7.69%) NetApp
11 1 (2.56%) Brocade
11 1 (2.56%) Extreme Networks