Period
to 22 August 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 22 August 2017 with a comparison to the same period in the previous 2 years.

Linux
Central London > City of London
6 months to
22 Aug 2017
Same period 2016 Same period 2015
Rank 12 13 16
Rank change year-on-year +1 +3 +2
Permanent jobs citing Linux 1257 1553 2216
As % of all permanent IT jobs advertised in the City of London 12.39% 12.09% 11.01%
As % of the Operating Systems category 49.12% 46.18% 44.27%
Number of salaries quoted 1145 1416 1928
City of London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% +4.76%
10th Percentile £35,000 £37,500 £36,250
90th Percentile £96,250 £91,250 £82,500
Central London median annual salary £60,000 £58,000 £55,000
% change year-on-year +3.45% +5.45% +4.76%

Linux 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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Permanent vacancies with a requirement for operating system skills 2559 3363 5006
As % of all permanent IT jobs advertised in the City of London 25.22% 26.19% 24.88%
Number of salaries quoted 2303 3080 4337
City of London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £30,000 £30,000 £29,750
90th Percentile £87,500 £82,500 £77,500
Central London median annual salary £52,500 £54,000 £50,000
% change year-on-year -2.78% +8.00% -

Linux
Job Vacancy Trend in the City of London

Job postings citing Linux as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Linux in the City of London

Linux
Salary Trend in the City of London

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

Salary trend for Linux in the City of London

Linux
Salary Histogram in the City of London

The salary distribution of IT jobs citing Linux in the City of London over the 6 months to 22 August 2017.

Salary histogram for Linux in the City of London

Linux
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the City of London region over the 6 months to 22 August 2017. 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
Moorgate 0 2 £41,250 -21.43%
London Bridge -3 1 £45,000 -14.29%
Linux
Central London

For the 6 months to 22 August 2017, IT jobs citing 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 Linux.

1 489 (38.90%) Windows
2 474 (37.71%) Finance
3 424 (33.73%) Python
4 388 (30.87%) Unix
5 380 (30.23%) SQL
6 342 (27.21%) Java
7 284 (22.59%) DevOps
8 216 (17.18%) Amazon AWS
9 213 (16.95%) Agile Software Development
10 209 (16.63%) Puppet
11 184 (14.64%) Degree
12 182 (14.48%) Oracle
13 174 (13.84%) Banking
14 172 (13.68%) Red Hat
15 170 (13.52%) MySQL
16 167 (13.29%) C++
17 166 (13.21%) Bash Shell
17 166 (13.21%) Ansible
18 157 (12.49%) Docker
19 149 (11.85%) JavaScript
20 146 (11.61%) SQL Server
21 144 (11.46%) Fintech
22 139 (11.06%) Firewall
23 138 (10.98%) VMware
23 138 (10.98%) Jenkins
24 132 (10.50%) Red Hat Enterprise Linux
25 129 (10.26%) Perl
25 129 (10.26%) Microsoft
26 123 (9.79%) PHP
27 122 (9.71%) CentOS

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 91 (7.24%) Apache
2 74 (5.89%) Tomcat
3 44 (3.50%) JBoss
4 37 (2.94%) WebLogic
5 34 (2.70%) Elasticsearch
5 34 (2.70%) IIS
6 30 (2.39%) nginx
7 26 (2.07%) Apache Spark
7 26 (2.07%) WebSphere
8 24 (1.91%) Confluence
8 24 (1.91%) OpenStack
9 19 (1.51%) CMS
9 19 (1.51%) MS Exchange
9 19 (1.51%) WordPress
10 18 (1.43%) SharePoint
11 10 (0.80%) SharePoint 2010
12 9 (0.72%) NetWeaver
13 8 (0.64%) Drupal
13 8 (0.64%) Skype for Business
14 7 (0.56%) Exchange Server 2010
Applications
1 16 (1.27%) Microsoft Office
2 12 (0.95%) Microsoft Excel
3 5 (0.40%) Spreadsheet
4 4 (0.32%) Microsoft PowerPoint
4 4 (0.32%) MS Visio
5 3 (0.24%) HipChat
Business Applications
1 12 (0.95%) SAP BPC
2 8 (0.64%) Magento
3 2 (0.16%) R3 Corda
3 2 (0.16%) Temenos T24
3 2 (0.16%) Workday HCM
4 1 (0.080%) BusinessWorks
4 1 (0.080%) Dynamics CRM
4 1 (0.080%) Eze OMS
4 1 (0.080%) Kondor
4 1 (0.080%) Markit EDM
4 1 (0.080%) OpenLink RightAngle
4 1 (0.080%) Oracle Applications
4 1 (0.080%) SAP SRM
4 1 (0.080%) thinkFolio
Cloud Services
1 216 (17.18%) Amazon AWS
2 93 (7.40%) Microsoft Azure
3 31 (2.47%) Office 365
4 29 (2.31%) Cloud Computing
5 28 (2.23%) AWS CloudFormation
5 28 (2.23%) SaaS
6 22 (1.75%) Amazon S3
7 18 (1.43%) Amazon EC2
8 15 (1.19%) Amazon ELB
9 14 (1.11%) Google Cloud Platform
10 13 (1.03%) GitHub
11 12 (0.95%) Amazon SQS
12 11 (0.88%) Virtual Private Cloud
13 10 (0.80%) AWS Lambda
14 9 (0.72%) DigitalOcean
14 9 (0.72%) IaaS
14 9 (0.72%) Rackspace Cloud
15 8 (0.64%) Amazon ElastiCache
16 7 (0.56%) Heroku
17 6 (0.48%) PaaS
Communications & Networking
1 139 (11.06%) Firewall
2 86 (6.84%) TCP/IP
3 62 (4.93%) SAN
4 47 (3.74%) DNS
5 43 (3.42%) Network Security
6 38 (3.02%) VPN
7 37 (2.94%) Internet
8 34 (2.70%) LAN
8 34 (2.70%) WAN
9 31 (2.47%) DHCP
9 31 (2.47%) HTTP
10 28 (2.23%) Cisco ASA
11 22 (1.75%) VLAN
12 21 (1.67%) LDAP
12 21 (1.67%) Wireless
13 18 (1.43%) NAS
14 17 (1.35%) FTP
14 17 (1.35%) Intrusion Detection
14 17 (1.35%) VoIP
15 15 (1.19%) BGP
Database & Business Intelligence
1 170 (13.52%) MySQL
2 146 (11.61%) SQL Server
3 90 (7.16%) Relational Database
4 59 (4.69%) PostgreSQL
5 47 (3.74%) NoSQL
6 40 (3.18%) Hadoop
6 40 (3.18%) RDBMS
7 39 (3.10%) Apache Cassandra
8 38 (3.02%) MongoDB
9 36 (2.86%) Big Data
9 36 (2.86%) Oracle Database
10 30 (2.39%) Redis
11 25 (1.99%) KDB
12 24 (1.91%) SQL Server 2008
13 21 (1.67%) SQL Server Integration Services
14 19 (1.51%) Kdb+
14 19 (1.51%) SQL Server Reporting Services
15 16 (1.27%) BusinessObjects
16 13 (1.03%) Amazon DynamoDB
16 13 (1.03%) Data Warehouse
Development Applications
1 138 (10.98%) Jenkins
2 114 (9.07%) JIRA
3 89 (7.08%) Git (software)
4 51 (4.06%) Subversion
5 43 (3.42%) Maven
6 28 (2.23%) TeamCity
7 27 (2.15%) Selenium
8 25 (1.99%) Atlassian Bamboo
9 24 (1.91%) JUnit
10 20 (1.59%) SilkPerformer
10 20 (1.59%) SilkTest
11 16 (1.27%) Cucumber
12 15 (1.19%) Eclipse
13 11 (0.88%) webpack
14 10 (0.80%) Gatling
14 10 (0.80%) Vagrant
15 9 (0.72%) Gradle
15 9 (0.72%) Hamcrest
15 9 (0.72%) jMock
16 8 (0.64%) Bitbucket
General
1 474 (37.71%) Finance
2 174 (13.84%) Banking
3 106 (8.43%) Front Office
4 47 (3.74%) Investment Banking
5 39 (3.10%) Back Office
6 33 (2.63%) Advertising
6 33 (2.63%) Legal
7 26 (2.07%) Telecoms
8 19 (1.51%) Financial Institution
9 13 (1.03%) Marketing
10 11 (0.88%) Retail
11 10 (0.80%) Games
12 6 (0.48%) Publishing
13 5 (0.40%) French Language
14 4 (0.32%) Billing
14 4 (0.32%) Law
15 3 (0.24%) Electronics
15 3 (0.24%) Multimedia
15 3 (0.24%) Pharmaceutical
16 2 (0.16%) Prime Brokerage
Job Titles
1 283 (22.51%) Developer
2 159 (12.65%) Analyst
3 155 (12.33%) DevOps Engineer
4 108 (8.59%) Administrator
5 90 (7.16%) Support Engineer
6 88 (7.00%) Linux Engineer
7 76 (6.05%) Support Analyst
8 73 (5.81%) Applications Support
9 70 (5.57%) Java Developer
10 55 (4.38%) Systems Administrator
11 48 (3.82%) Graduate
12 46 (3.66%) Linux Administrator
13 43 (3.42%) C++ Developer
14 42 (3.34%) Infrastructure Engineer
14 42 (3.34%) Linux/Unix DevOps
15 40 (3.18%) Systems Engineer
16 39 (3.10%) Senior Developer
17 38 (3.02%) Applications Support Analyst
18 35 (2.78%) Senior DevOps
19 34 (2.70%) Graduate Support Engineer
Libraries, Frameworks & Software Standards
1 110 (8.75%) HTML
2 86 (6.84%) Web Services
3 82 (6.52%) CSS
4 71 (5.65%) FIX Protocol
4 71 (5.65%) XML
5 69 (5.49%) .NET
6 58 (4.61%) Spring
7 56 (4.46%) LAMP
8 41 (3.26%) Node.js
9 37 (2.94%) Hibernate
9 37 (2.94%) REST
10 36 (2.86%) jQuery
11 34 (2.70%) AngularJS
11 34 (2.70%) SOAP
12 32 (2.55%) React
13 28 (2.23%) HTML5
13 28 (2.23%) JMS
14 26 (2.07%) Django
14 26 (2.07%) Elastic Stack
15 23 (1.83%) Laravel
Miscellaneous
1 144 (11.46%) Fintech
2 85 (6.76%) Computer Science
3 78 (6.21%) Analytical Skills
4 77 (6.13%) Data Centre
5 59 (4.69%) Equities
6 57 (4.53%) Linux Command Line
7 49 (3.90%) Fixed Income
8 41 (3.26%) Derivative
9 35 (2.78%) Replication
10 34 (2.70%) Algorithms
10 34 (2.70%) Clustering
11 29 (2.31%) Management Information System
11 29 (2.31%) User Experience
12 28 (2.23%) Greenfield Project
12 28 (2.23%) Hedge funds
13 26 (2.07%) Foreign Exchange (FX)
14 23 (1.83%) PKI
15 17 (1.35%) Data Structures
16 16 (1.27%) Enterprise Software
17 14 (1.11%) Mobile App
Operating Systems
1 489 (38.90%) Windows
2 388 (30.87%) Unix
3 132 (10.50%) Red Hat Enterprise Linux
4 122 (9.71%) CentOS
5 119 (9.47%) Windows Server
6 96 (7.64%) Ubuntu
7 63 (5.01%) Solaris
8 47 (3.74%) Debian
9 40 (3.18%) Windows Server 2008
10 27 (2.15%) Windows Server 2012
11 18 (1.43%) Windows 7
12 16 (1.27%) Kali Linux
13 14 (1.11%) Windows 10
14 13 (1.03%) Apple iOS
15 12 (0.95%) AIX
15 12 (0.95%) Android
15 12 (0.95%) Windows 8
16 9 (0.72%) Mac OS X
17 8 (0.64%) VMS
18 6 (0.48%) Windows Server 2003
Processes & Methodologies
1 284 (22.59%) DevOps
2 213 (16.95%) Agile Software Development
3 118 (9.39%) ITIL
4 105 (8.35%) Electronic Trading
5 103 (8.19%) Continuous Integration
6 100 (7.96%) Configuration Management
7 81 (6.44%) Open Source
8 79 (6.28%) Test Automation
9 71 (5.65%) Microservices
10 61 (4.85%) TDD
11 58 (4.61%) SDLC
12 55 (4.38%) Mathematics
13 54 (4.30%) OO
14 52 (4.14%) Low Latency
15 50 (3.98%) SIEM
16 47 (3.74%) SOA
17 46 (3.66%) Software Engineering
18 44 (3.50%) Scrum
19 42 (3.34%) Service Delivery
20 41 (3.26%) Business Intelligence
Programming Languages
1 424 (33.73%) Python
2 380 (30.23%) SQL
3 342 (27.21%) Java
4 167 (13.29%) C++
5 166 (13.21%) Bash Shell
6 149 (11.85%) JavaScript
7 129 (10.26%) Perl
8 123 (9.79%) PHP
9 110 (8.75%) Shell Script
10 105 (8.35%) PowerShell
11 102 (8.11%) Ruby
12 64 (5.09%) C#
13 61 (4.85%) C
14 37 (2.94%) Go
15 19 (1.51%) VB
16 16 (1.27%) Scala
17 13 (1.03%) Korn
17 13 (1.03%) T-SQL
18 12 (0.95%) PHP 5
19 10 (0.80%) ES6
Qualifications
1 184 (14.64%) Degree
2 46 (3.66%) Cisco Certification
3 44 (3.50%) Security Cleared
4 34 (2.70%) Computer Science Degree
5 31 (2.47%) ISEB
6 29 (2.31%) CCNP
7 24 (1.91%) RHCE
8 22 (1.75%) CISSP
9 20 (1.59%) CCSP
10 19 (1.51%) CCNA
11 16 (1.27%) SANS
12 15 (1.19%) CCDP
12 15 (1.19%) DV Cleared
13 14 (1.11%) CEH
13 14 (1.11%) CESG Certified Professional
13 14 (1.11%) RHCA
13 14 (1.11%) SC Cleared
14 13 (1.03%) Microsoft Certification
15 12 (0.95%) CISM
15 12 (0.95%) GIAC
Quality Assurance & Compliance
1 72 (5.73%) QA
2 32 (2.55%) ISO/IEC 27001
3 30 (2.39%) PCI DSS
4 28 (2.23%) SLA
5 7 (0.56%) MiFID
6 4 (0.32%) NIST 800
7 3 (0.24%) SEPA
8 2 (0.16%) Solvency II
9 1 (0.080%) Data Quality
9 1 (0.080%) EMIR
9 1 (0.080%) GDPR
9 1 (0.080%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
9 1 (0.080%) PMO
System Software
1 157 (12.49%) Docker
2 85 (6.76%) Active Directory
2 85 (6.76%) VMware Infrastructure
3 29 (2.31%) Virtual Machines
4 28 (2.23%) vSphere
5 22 (1.75%) Hyper-V
6 21 (1.67%) VMware ESXi
7 15 (1.19%) NFS
7 15 (1.19%) pfSense
7 15 (1.19%) Snort
8 13 (1.03%) XenServer
9 12 (0.95%) XenApp
10 11 (0.88%) Cronacle
10 11 (0.88%) KVM
10 11 (0.88%) Xen
11 10 (0.80%) iptables
11 10 (0.80%) Varnish
12 8 (0.64%) LXC
13 6 (0.48%) VirtualBox
13 6 (0.48%) XenDesktop
Systems Management
1 209 (16.63%) Puppet
2 166 (13.21%) Ansible
3 111 (8.83%) Opscode Chef
4 72 (5.73%) Terraform
5 61 (4.85%) Kubernetes
6 38 (3.02%) Nagios
7 25 (1.99%) Salt
8 19 (1.51%) Nessus
8 19 (1.51%) SCCM
9 18 (1.43%) Grafana
10 14 (1.11%) Control-M
10 14 (1.11%) ITRS Geneos
10 14 (1.11%) OSSEC
11 13 (1.03%) FortiGate
12 12 (0.95%) Mesos
13 10 (0.80%) AirWatch
13 10 (0.80%) BMC PATROL
13 10 (0.80%) Graphite
13 10 (0.80%) QRadar
13 10 (0.80%) vRealize
Vendors
1 182 (14.48%) Oracle
2 172 (13.68%) Red Hat
3 138 (10.98%) VMware
4 129 (10.26%) Microsoft
5 101 (8.04%) Cisco
6 68 (5.41%) Sybase
7 49 (3.90%) Citrix
8 43 (3.42%) Juniper
9 42 (3.34%) Atlassian
10 38 (3.02%) HP
11 30 (2.39%) Splunk
12 29 (2.31%) CheckPoint
12 29 (2.31%) F5
12 29 (2.31%) NetApp
13 28 (2.23%) IBM
14 25 (1.99%) McAfee
15 24 (1.91%) Google
16 21 (1.67%) LogRhythm
17 20 (1.59%) Borland
17 20 (1.59%) Brocade