The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Red Hat Enterprise Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Red Hat Enterprise Linux over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Red Hat Enterprise Linux (RHEL)
London / City of London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 131 197 178
Rank change year-on-year +66 -19  
Permanent jobs citing Red Hat Enterprise Linux 102 66 159
As % of all permanent IT jobs advertised in the City of London 1.97% 0.92% 1.53%
As % of the Operating Systems category 7.66% 3.80% 5.74%
Number of salaries quoted 91 65 128
Median salary £60,000 £55,000 £57,500
Median salary % change year-on-year +9.09% -4.34%  
90% offered a salary of more than £38,500 £41,000 £41,750
10% offered a salary of more than £85,000 £84,000 £75,000
UK excluding London median salary £45,250 £45,000 £45,000
% change year-on-year +0.55% -  

Red Hat Enterprise Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for operating system skills.

Operating System Skills
City of London
Permanent job vacancies with a requirement for operating system skills 1332 1738 2768
As % of all permanent IT job vacancies advertised in the City of London 25.73% 24.14% 26.60%
Number of salaries quoted 1215 1553 2401
Median salary £52,500 £52,500 £49,000
Median salary % change year-on-year - +7.14%  
90% offered a salary of more than £28,500 £30,000 £30,000
10% offered a salary of more than £80,000 £70,000 £80,000
UK excluding London median salary £37,500 £37,500 £37,500

Red Hat Enterprise Linux
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Red Hat Enterprise Linux as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for Red Hat Enterprise Linux in the City of London

Red Hat Enterprise Linux
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Red Hat Enterprise Linux in the City of London.

Salary trend for Red Hat Enterprise Linux in the City of London

Red Hat Enterprise Linux
Salary Histogram in the City of London

The salary distribution of IT jobs citing Red Hat Enterprise Linux in the City of London over the 3 months to 30 March 2017.

Salary histogram for Red Hat Enterprise Linux in the City of London

For the 6 months to 30 March 2017, IT jobs citing Red Hat Enterprise Linux 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 City of London region with a requirement for Red Hat Enterprise Linux.

1 192 (100.00%) Linux
2 133 (69.27%) Red Hat
3 99 (51.56%) Unix
4 86 (44.79%) Puppet
5 82 (42.71%) Finance
6 74 (38.54%) Windows
7 62 (32.29%) Python
8 61 (31.77%) Configuration Management
9 56 (29.17%) Oracle
10 53 (27.60%) VMware
11 52 (27.08%) DevOps
12 50 (26.04%) Ansible
13 44 (22.92%) Perl
13 44 (22.92%) Solaris
14 43 (22.40%) Apache
15 41 (21.35%) Bash Shell
16 40 (20.83%) Shell Script
17 38 (19.79%) Banking
18 36 (18.75%) Tomcat
19 35 (18.23%) Microsoft
19 35 (18.23%) Ubuntu
20 34 (17.71%) VMware Infrastructure
20 34 (17.71%) CentOS
20 34 (17.71%) Opscode Chef
20 34 (17.71%) ITIL
21 32 (16.67%) SQL
21 32 (16.67%) Firewall
22 31 (16.15%) Java
23 30 (15.63%) Cisco
23 30 (15.63%) Active Directory

Red Hat Enterprise Linux
Co-occurring IT Skills in the City of London 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 43 (22.40%) Apache
2 36 (18.75%) Tomcat
3 29 (15.10%) OpenStack
4 25 (13.02%) IIS
5 18 (9.38%) JBoss
6 12 (6.25%) WebSphere
7 10 (5.21%) Alfresco
7 10 (5.21%) Confluence
8 8 (4.17%) Apache Spark
8 8 (4.17%) BizTalk Server
9 6 (3.13%) CloudStack
10 5 (2.60%) CMS
10 5 (2.60%) WebLogic
10 5 (2.60%) WebSphere Application Server
11 4 (2.08%) nginx
11 4 (2.08%) SharePoint
12 3 (1.56%) Drupal
12 3 (1.56%) Exchange Server 2013
12 3 (1.56%) MS Exchange
13 2 (1.04%) SharePoint Server
Applications
1 5 (2.60%) MS Excel
2 2 (1.04%) MS Office
3 1 (0.52%) MS PowerPoint
3 1 (0.52%) MS Visio
Business Applications
1 2 (1.04%) Eikon
1 2 (1.04%) RMDS
1 2 (1.04%) SAP BPC
2 1 (0.52%) SAP Oil and Gas
Cloud Services
1 27 (14.06%) Amazon AWS
2 12 (6.25%) Microsoft Azure
3 10 (5.21%) G Suite
4 9 (4.69%) IaaS
4 9 (4.69%) PaaS
5 8 (4.17%) SaaS
6 2 (1.04%) Amazon S3
7 1 (0.52%) Amazon EC2
7 1 (0.52%) AWS CloudFormation
7 1 (0.52%) DigitalOcean
7 1 (0.52%) Heroku
Communications & Networking
1 32 (16.67%) Firewall
2 26 (13.54%) DNS
3 24 (12.50%) SAN
4 20 (10.42%) DHCP
5 19 (9.90%) VPN
6 17 (8.85%) LDAP
7 14 (7.29%) NetScaler
7 14 (7.29%) TCP/IP
8 13 (6.77%) NAS
9 10 (5.21%) Network Security
9 10 (5.21%) SSL
10 9 (4.69%) Wireless
11 7 (3.65%) Cisco ASA
11 7 (3.65%) Cisco ISE
11 7 (3.65%) Cisco Wireless
11 7 (3.65%) Fibre Channel
11 7 (3.65%) Spanning Tree
12 6 (3.13%) iSCSI
13 5 (2.60%) LAN
13 5 (2.60%) SMTP
Database & Business Intelligence
1 28 (14.58%) SQL Server
2 26 (13.54%) Oracle Database
3 23 (11.98%) Oracle Database 11g
4 15 (7.81%) MySQL
5 11 (5.73%) KDB
5 11 (5.73%) Kdb+
6 9 (4.69%) Hadoop
7 8 (4.17%) MongoDB
8 6 (3.13%) NoSQL
8 6 (3.13%) Oracle Database 10g
8 6 (3.13%) Oracle Database 12c
9 5 (2.60%) SQL Server 2008
10 4 (2.08%) RDBMS
10 4 (2.08%) Relational Database
10 4 (2.08%) SQL Server 2005
10 4 (2.08%) SQL Server Reporting Services
11 2 (1.04%) BusinessObjects
12 1 (0.52%) Big Data
12 1 (0.52%) OpenTSDB
12 1 (0.52%) PostgreSQL
Development Applications
1 17 (8.85%) Jenkins
2 16 (8.33%) Subversion
3 15 (7.81%) JIRA
4 14 (7.29%) Git (software)
5 9 (4.69%) FishEye
6 7 (3.65%) Vagrant
7 5 (2.60%) TeamCity
8 4 (2.08%) Atlassian Bamboo
9 3 (1.56%) Oracle APEX
10 1 (0.52%) Bitbucket
10 1 (0.52%) GoCD
10 1 (0.52%) Maven
10 1 (0.52%) Travis CI
General
1 82 (42.71%) Finance
2 38 (19.79%) Banking
3 9 (4.69%) Front Office
4 8 (4.17%) French Language
5 5 (2.60%) Investment Banking
6 4 (2.08%) Legal
7 2 (1.04%) Back Office
8 1 (0.52%) Electronics
8 1 (0.52%) Manufacturing
8 1 (0.52%) Marketing
8 1 (0.52%) Retail
8 1 (0.52%) Telecoms
Job Titles
1 48 (25.00%) Linux Engineer
2 36 (18.75%) Administrator
3 27 (14.06%) DevOps Engineer
4 24 (12.50%) Linux Administrator
5 20 (10.42%) Unix Administrator
6 18 (9.38%) Unix Engineer
7 17 (8.85%) Systems Administrator
8 16 (8.33%) Analyst
9 15 (7.81%) Architect
9 15 (7.81%) Linux/Unix DevOps
10 11 (5.73%) Developer
10 11 (5.73%) KDB Developer
10 11 (5.73%) Software Developer
10 11 (5.73%) Unix Specialist
10 11 (5.73%) Unix Systems Administrator
11 9 (4.69%) Linux DevOps Engineer
12 8 (4.17%) Infrastructure Architect
12 8 (4.17%) Linux Systems Administrator
12 8 (4.17%) Linux Systems Engineer
12 8 (4.17%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 18 (9.38%) Middleware
2 13 (6.77%) .NET
3 10 (5.21%) LAMP
4 9 (4.69%) XML
5 4 (2.08%) IBM Integration Bus
5 4 (2.08%) Node.js
5 4 (2.08%) Oracle GoldenGate
5 4 (2.08%) Web Services
5 4 (2.08%) WebSphere MQ
6 3 (1.56%) CSS
6 3 (1.56%) FIX Protocol
6 3 (1.56%) HTML
6 3 (1.56%) Sass
7 2 (1.04%) Ajax
7 2 (1.04%) J2EE
7 2 (1.04%) jQuery
7 2 (1.04%) ODBC
7 2 (1.04%) Regular Expression
7 2 (1.04%) REST
7 2 (1.04%) YAML
Miscellaneous
1 22 (11.46%) Data Centre
2 15 (7.81%) Clustering
3 14 (7.29%) Linux Command Line
4 11 (5.73%) Derivative
4 11 (5.73%) PKI
5 10 (5.21%) EMC VNX
5 10 (5.21%) Replication
6 9 (4.69%) Public Cloud
7 8 (4.17%) Hybrid Cloud
8 7 (3.65%) Hedge funds
8 7 (3.65%) Video Conferencing
9 6 (3.13%) Analytical Skills
10 4 (2.08%) Fintech
10 4 (2.08%) Private Cloud
11 3 (1.56%) DataPower
11 3 (1.56%) Enterprise Storage
12 2 (1.04%) Computer Science
12 2 (1.04%) Enterprise Cloud
12 2 (1.04%) iSeries
12 2 (1.04%) SWIFT
Operating Systems
1 192 (100.00%) Linux
2 99 (51.56%) Unix
3 74 (38.54%) Windows
4 44 (22.92%) Solaris
5 35 (18.23%) Ubuntu
6 34 (17.71%) CentOS
7 26 (13.54%) Windows Server
8 17 (8.85%) SUSE
9 14 (7.29%) Debian
10 11 (5.73%) AIX
11 10 (5.21%) Mac OS X
11 10 (5.21%) NetWare
12 5 (2.60%) Windows Server 2012
13 4 (2.08%) Windows Server 2008
14 3 (1.56%) Data ONTAP
15 2 (1.04%) HPUX
15 2 (1.04%) Kali Linux
16 1 (0.52%) Fedora
16 1 (0.52%) SUSE Linux Enterprise Server
16 1 (0.52%) Windows Server 2003
Processes & Methodologies
1 61 (31.77%) Configuration Management
2 52 (27.08%) DevOps
3 34 (17.71%) ITIL
4 28 (14.58%) Disaster Recovery
5 21 (10.94%) Open Source
6 18 (9.38%) Business Continuity
6 18 (9.38%) High Availability
6 18 (9.38%) Performance Tuning
7 17 (8.85%) Change Control
7 17 (8.85%) Continuous Integration
8 16 (8.33%) PRINCE2
9 15 (7.81%) Agile Software Development
10 13 (6.77%) Line Management
11 12 (6.25%) Project Management
11 12 (6.25%) Test Strategy
12 11 (5.73%) Continuous Improvement
12 11 (5.73%) Load Balancing
12 11 (5.73%) Validation
13 10 (5.21%) Quality Management
13 10 (5.21%) Vulnerability Management
Programming Languages
1 62 (32.29%) Python
2 44 (22.92%) Perl
3 41 (21.35%) Bash Shell
4 40 (20.83%) Shell Script
5 32 (16.67%) SQL
6 31 (16.15%) Java
7 19 (9.90%) Ruby
8 12 (6.25%) PowerShell
9 9 (4.69%) JavaScript
10 6 (3.13%) C
10 6 (3.13%) PHP
10 6 (3.13%) PL/SQL
11 4 (2.08%) Korn
12 3 (1.56%) C++
13 2 (1.04%) C#
13 2 (1.04%) C-shell
13 2 (1.04%) Go
13 2 (1.04%) VBA
14 1 (0.52%) Jython
14 1 (0.52%) VB
Qualifications
1 27 (14.06%) Degree
2 26 (13.54%) RHCE
3 23 (11.98%) Cisco Certification
4 14 (7.29%) CCNP
4 14 (7.29%) RHCA
5 13 (6.77%) CCNA
6 12 (6.25%) Microsoft Certification
7 9 (4.69%) MCSE
8 7 (3.65%) CCDP
8 7 (3.65%) CCSP
8 7 (3.65%) CESG Certified Professional
8 7 (3.65%) EMC Certification
8 7 (3.65%) JNCIA
8 7 (3.65%) JNCIS
9 4 (2.08%) Linux+ Certification
9 4 (2.08%) LPIC
9 4 (2.08%) RHCSA
10 3 (1.56%) VMware Certified Professional (VCP)
11 2 (1.04%) ITIL Certification
11 2 (1.04%) VERITAS Certified Professional (VCP)
Quality Assurance & Compliance
1 8 (4.17%) PCI DSS
2 7 (3.65%) ISO/IEC 27001
3 4 (2.08%) SLA
4 3 (1.56%) QA
5 1 (0.52%) Sarbanes-Oxley
System Software
1 34 (17.71%) VMware Infrastructure
2 30 (15.63%) Active Directory
3 20 (10.42%) Docker
4 16 (8.33%) vSphere
5 14 (7.29%) NFS
6 12 (6.25%) Virtual Servers
7 10 (5.21%) Microsoft Virtual Server
7 10 (5.21%) XenApp
8 7 (3.65%) Snort
9 6 (3.13%) Hyper-V
9 6 (3.13%) Virtual Machines
9 6 (3.13%) VMware ESX
9 6 (3.13%) Xen
10 5 (2.60%) Veritas Cluster Server
10 5 (2.60%) VMware ESXi
10 5 (2.60%) XenServer
11 4 (2.08%) Samba
12 3 (1.56%) Cronacle
12 3 (1.56%) KVM
12 3 (1.56%) VirtualBox
Systems Management
1 86 (44.79%) Puppet
2 50 (26.04%) Ansible
3 34 (17.71%) Opscode Chef
4 23 (11.98%) Nagios
5 10 (5.21%) EMC VPLEX
5 10 (5.21%) NetIQ Identity Manager
5 10 (5.21%) Simpana
5 10 (5.21%) Terraform
6 8 (4.17%) Red Hat Satellite
6 8 (4.17%) Salt
7 7 (3.65%) AirWatch
7 7 (3.65%) FortiGate
7 7 (3.65%) OSSEC
8 6 (3.13%) BMC PATROL
8 6 (3.13%) Data Guard
8 6 (3.13%) Tivoli
9 5 (2.60%) Cobbler
9 5 (2.60%) Control-M
9 5 (2.60%) Oracle ZFS
10 4 (2.08%) Kubernetes
Vendors
1 133 (69.27%) Red Hat
2 56 (29.17%) Oracle
3 53 (27.60%) VMware
4 35 (18.23%) Microsoft
5 30 (15.63%) Cisco
6 21 (10.94%) Veritas
7 19 (9.90%) EMC
8 18 (9.38%) Citrix
9 16 (8.33%) HP
10 15 (7.81%) NetApp
11 14 (7.29%) Juniper
12 13 (6.77%) IBM
13 10 (5.21%) Atlassian
13 10 (5.21%) CommVault
13 10 (5.21%) Google
13 10 (5.21%) Novell
14 9 (4.69%) F5
14 9 (4.69%) Software AG
15 8 (4.17%) Intel Security
15 8 (4.17%) Sun
City, London
ANSON MCCADE
Salary: £40,000 - £55,000
Posted: 13 hours ago
City, London
Spring Technology
Posted: Yesterday
City, London
Harvey Nash plc
Salary: £80000 - £90000 per annum
Posted: 2 days ago
City, London
Oliver Bernard
Salary: £60000 - £80000 per annum + Benefits
Posted: 6 days ago
City, London
Harrington Starr
Salary: £65000 - £75000 per annum
Posted: 5 days ago
City, London
Miller Maxwell Ltd
Salary: From £50,000 to £65,000 per annum + Bonus & Benefits
Posted: 6 days ago
City, London
Client Server
Salary: £40k to £65k + bonus + benefits
Posted: 6 days ago