Period
to 22 November 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 November 2017 with a comparison to the same period in the previous 2 years.

Linux
Central London > City of London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 16 16 15
Rank change year-on-year 0 -1 +2
Permanent jobs citing Linux 1093 1379 1962
As % of all permanent IT jobs advertised in the City of London 10.67% 11.80% 11.63%
As % of the Operating Systems category 46.12% 47.15% 45.57%
Number of salaries quoted 1004 1245 1705
City of London median annual salary £62,250 £60,000 £60,000
Median salary % change year-on-year +3.75% - +9.09%
10th Percentile £36,250 £38,250 £37,350
90th Percentile £95,000 £101,250 £90,000
Central London median annual salary £60,000 £60,000 £57,500
% change year-on-year - +4.35% +4.55%

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 2370 2925 4305
As % of all permanent IT jobs advertised in the City of London 23.15% 25.03% 25.53%
Number of salaries quoted 2148 2650 3728
City of London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +5.00%
10th Percentile £31,000 £31,000 £28,750
90th Percentile £86,250 £90,000 £82,500
Central London median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

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 November 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 November 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 -1 1 £42,500 -35.85%
Linux
Central London

For the 6 months to 22 November 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.

1 406 (37.15%) Finance
2 374 (34.22%) Windows
3 367 (33.58%) Python
4 344 (31.47%) Unix
5 327 (29.92%) SQL
6 311 (28.45%) Java
7 281 (25.71%) DevOps
8 222 (20.31%) Amazon AWS
9 185 (16.93%) Agile Software Development
10 177 (16.19%) MySQL
11 170 (15.55%) Puppet
12 166 (15.19%) Bash Shell
13 161 (14.73%) Ansible
14 157 (14.36%) Degree
15 156 (14.27%) C++
16 153 (14.00%) Docker
17 140 (12.81%) SQL Server
18 139 (12.72%) Banking
19 137 (12.53%) Perl
20 131 (11.99%) Oracle
21 130 (11.89%) Firewall
22 128 (11.71%) JavaScript
23 120 (10.98%) Front Office
23 120 (10.98%) Jenkins
24 118 (10.80%) VMware
25 116 (10.61%) Shell Script
26 110 (10.06%) Microsoft Azure
27 108 (9.88%) Continuous Integration
28 104 (9.52%) Opscode Chef
29 100 (9.15%) Red Hat

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 66 (6.04%) Apache
2 55 (5.03%) Tomcat
3 30 (2.74%) Elasticsearch
3 30 (2.74%) OpenStack
4 29 (2.65%) JBoss
5 27 (2.47%) nginx
6 25 (2.29%) Apache Spark
6 25 (2.29%) WebLogic
7 24 (2.20%) Confluence
8 22 (2.01%) MS Exchange
9 19 (1.74%) IIS
10 18 (1.65%) WebSphere
11 17 (1.56%) CMS
12 14 (1.28%) SharePoint
13 11 (1.01%) Skype for Business
14 9 (0.82%) Apache Solr
15 8 (0.73%) NetWeaver
15 8 (0.73%) WordPress
16 7 (0.64%) GemFire
16 7 (0.64%) Jetty
Applications
1 22 (2.01%) Microsoft Excel
2 20 (1.83%) MS Visio
3 18 (1.65%) Spreadsheet
4 8 (0.73%) Microsoft Office
5 5 (0.46%) HipChat
6 2 (0.18%) Microsoft PowerPoint
6 2 (0.18%) SPSS
Business Applications
1 8 (0.73%) SAP BPC
2 4 (0.37%) R3 Corda
3 3 (0.27%) ION MarketView
3 3 (0.27%) Workday HCM
4 2 (0.18%) Dynamics CRM
4 2 (0.18%) Magento
4 2 (0.18%) MetaTrader
4 2 (0.18%) Temenos T24
5 1 (0.091%) BusinessWorks
5 1 (0.091%) Eze OMS
5 1 (0.091%) Kondor
5 1 (0.091%) Markit EDM
5 1 (0.091%) Oracle Applications
5 1 (0.091%) RMDS
5 1 (0.091%) thinkFolio
Cloud Services
1 222 (20.31%) Amazon AWS
2 110 (10.06%) Microsoft Azure
3 36 (3.29%) Office 365
4 33 (3.02%) Cloud Computing
5 32 (2.93%) AWS CloudFormation
6 31 (2.84%) SaaS
7 15 (1.37%) Amazon EC2
7 15 (1.37%) Amazon S3
7 15 (1.37%) GitHub
8 14 (1.28%) Google Cloud Platform
9 11 (1.01%) IaaS
10 9 (0.82%) PaaS
11 8 (0.73%) Amazon ElastiCache
11 8 (0.73%) AWS Lambda
11 8 (0.73%) DigitalOcean
11 8 (0.73%) Serverless
12 7 (0.64%) Amazon ELB
12 7 (0.64%) Virtual Private Cloud
13 6 (0.55%) Amazon CloudWatch
13 6 (0.55%) npm
Communications & Networking
1 130 (11.89%) Firewall
2 89 (8.14%) TCP/IP
3 45 (4.12%) DNS
4 37 (3.39%) SAN
5 31 (2.84%) Internet
6 29 (2.65%) HTTP
7 27 (2.47%) LAN
8 24 (2.20%) WAN
9 21 (1.92%) VPN
10 18 (1.65%) Network Security
11 17 (1.56%) Cisco ASA
12 15 (1.37%) FIX Connectivity
13 14 (1.28%) DHCP
13 14 (1.28%) FTP
13 14 (1.28%) iSCSI
13 14 (1.28%) SSL
14 11 (1.01%) VLAN
15 10 (0.91%) Intrusion Detection
15 10 (0.91%) IPsec
15 10 (0.91%) Skype
Database & Business Intelligence
1 177 (16.19%) MySQL
2 140 (12.81%) SQL Server
3 85 (7.78%) Relational Database
4 48 (4.39%) MongoDB
5 44 (4.03%) Big Data
5 44 (4.03%) PostgreSQL
5 44 (4.03%) RDBMS
6 41 (3.75%) NoSQL
7 29 (2.65%) Hadoop
7 29 (2.65%) Oracle Database
8 27 (2.47%) Apache Cassandra
9 24 (2.20%) Redis
10 19 (1.74%) Blockchain
11 17 (1.56%) MS Access
12 16 (1.46%) KDB
12 16 (1.46%) SQL Server Integration Services
13 12 (1.10%) SQL Server Reporting Services
14 10 (0.91%) Amazon RDS
14 10 (0.91%) SQL Server Analysis Services
15 9 (0.82%) Amazon DynamoDB
Development Applications
1 120 (10.98%) Jenkins
2 88 (8.05%) JIRA
3 84 (7.69%) Git (software)
4 35 (3.20%) Maven
5 30 (2.74%) TeamCity
6 29 (2.65%) Subversion
7 22 (2.01%) Atlassian Bamboo
8 21 (1.92%) Selenium
9 14 (1.28%) JUnit
10 13 (1.19%) Cucumber
11 12 (1.10%) ClearCase
11 12 (1.10%) Sonatype Nexus
11 12 (1.10%) Vagrant
11 12 (1.10%) webpack
12 11 (1.01%) CMake
12 11 (1.01%) Gatling
12 11 (1.01%) GitLab
12 11 (1.01%) Gradle
13 9 (0.82%) Bitbucket
14 8 (0.73%) Grunt
General
1 406 (37.15%) Finance
2 139 (12.72%) Banking
3 120 (10.98%) Front Office
4 39 (3.57%) Back Office
5 34 (3.11%) Investment Banking
6 29 (2.65%) Financial Institution
7 26 (2.38%) Telecoms
8 23 (2.10%) Legal
9 22 (2.01%) Advertising
9 22 (2.01%) Retail
10 15 (1.37%) Marketing
11 14 (1.28%) Publishing
12 12 (1.10%) Law
13 11 (1.01%) Games
14 10 (0.91%) Multimedia
15 7 (0.64%) French Language
16 4 (0.37%) German Language
16 4 (0.37%) Spanish Language
17 2 (0.18%) Prime Brokerage
17 2 (0.18%) Retail Finance
Job Titles
1 227 (20.77%) Developer
2 147 (13.45%) DevOps Engineer
3 134 (12.26%) Analyst
4 76 (6.95%) Java Developer
5 74 (6.77%) Administrator
6 72 (6.59%) Applications Support
7 69 (6.31%) Linux Engineer
8 67 (6.13%) Support Engineer
9 56 (5.12%) Support Analyst
10 49 (4.48%) Senior Developer
11 48 (4.39%) Systems Administrator
12 40 (3.66%) C++ Developer
13 38 (3.48%) Consultant
13 38 (3.48%) Infrastructure Engineer
14 37 (3.39%) Graduate
14 37 (3.39%) Senior DevOps
15 36 (3.29%) Linux Administrator
16 35 (3.20%) Senior DevOps Engineer
17 34 (3.11%) Python Developer
17 34 (3.11%) Software Engineer
Libraries, Frameworks & Software Standards
1 95 (8.69%) FIX Protocol
2 74 (6.77%) HTML
3 70 (6.40%) XML
4 62 (5.67%) Web Services
5 51 (4.67%) CSS
6 46 (4.21%) LAMP
7 44 (4.03%) Spring
8 42 (3.84%) .NET
9 41 (3.75%) Node.js
10 33 (3.02%) REST
11 27 (2.47%) AngularJS
11 27 (2.47%) SOAP
12 26 (2.38%) HTML5
13 25 (2.29%) RESTful
14 24 (2.20%) Elastic Stack
15 22 (2.01%) LEMP Stack
16 21 (1.92%) Django
16 21 (1.92%) Hibernate
17 18 (1.65%) React
18 17 (1.56%) JMS
Miscellaneous
1 98 (8.97%) Fintech
2 64 (5.86%) Data Centre
3 63 (5.76%) Equities
4 51 (4.67%) Computer Science
5 45 (4.12%) Fixed Income
6 43 (3.93%) Analytical Skills
7 34 (3.11%) Linux Command Line
8 29 (2.65%) Derivative
8 29 (2.65%) Foreign Exchange (FX)
9 27 (2.47%) Algorithms
10 24 (2.20%) Replication
11 23 (2.10%) Client/Server
11 23 (2.10%) Hedge funds
12 22 (2.01%) Management Information System
13 21 (1.92%) Greenfield Project
14 20 (1.83%) Public Cloud
15 17 (1.56%) BBC
16 16 (1.46%) Enterprise Software
16 16 (1.46%) STB
17 15 (1.37%) User Experience
Operating Systems
1 374 (34.22%) Windows
2 344 (31.47%) Unix
3 95 (8.69%) Red Hat Enterprise Linux
4 89 (8.14%) CentOS
5 74 (6.77%) Windows Server
6 65 (5.95%) Ubuntu
7 47 (4.30%) Solaris
8 23 (2.10%) Debian
9 20 (1.83%) Windows 7
9 20 (1.83%) Windows Server 2008
10 15 (1.37%) Windows 10
11 12 (1.10%) AIX
11 12 (1.10%) Windows Server 2012
12 10 (0.91%) Mac OS X
13 8 (0.73%) Embedded Linux
14 7 (0.64%) Oracle Linux
14 7 (0.64%) Windows 8
15 6 (0.55%) Apple iOS
16 5 (0.46%) Fedora
16 5 (0.46%) Windows Server 2003
Processes & Methodologies
1 281 (25.71%) DevOps
2 185 (16.93%) Agile Software Development
3 108 (9.88%) Continuous Integration
4 93 (8.51%) Configuration Management
5 90 (8.23%) ITIL
6 86 (7.87%) Electronic Trading
7 73 (6.68%) Open Source
8 66 (6.04%) Software Engineering
9 65 (5.95%) SDLC
10 57 (5.22%) Microservices
11 56 (5.12%) TDD
12 54 (4.94%) Multithreading
13 51 (4.67%) Low Latency
14 45 (4.12%) OO
14 45 (4.12%) Test Automation
15 41 (3.75%) Performance Tuning
16 38 (3.48%) Change Management
16 38 (3.48%) Migration
17 37 (3.39%) Continuous Delivery
17 37 (3.39%) SIEM
Programming Languages
1 367 (33.58%) Python
2 327 (29.92%) SQL
3 311 (28.45%) Java
4 166 (15.19%) Bash Shell
5 156 (14.27%) C++
6 137 (12.53%) Perl
7 128 (11.71%) JavaScript
8 116 (10.61%) Shell Script
9 97 (8.87%) PHP
10 93 (8.51%) Ruby
11 63 (5.76%) C
12 60 (5.49%) PowerShell
13 41 (3.75%) C#
14 30 (2.74%) Go
15 19 (1.74%) T-SQL
16 16 (1.46%) Korn
17 15 (1.37%) Scala
18 12 (1.10%) ES6
18 12 (1.10%) PHP 7
19 9 (0.82%) R
Qualifications
1 157 (14.36%) Degree
2 24 (2.20%) Computer Science Degree
2 24 (2.20%) RHCE
3 22 (2.01%) Security Cleared
4 13 (1.19%) SANS
5 12 (1.10%) CISSP
5 12 (1.10%) GIAC
5 12 (1.10%) ISEB
6 11 (1.01%) ISTQB
7 10 (0.91%) Cisco Certification
7 10 (0.91%) RHCSA
8 9 (0.82%) Linux+ Certification
9 8 (0.73%) CREST Certified
9 8 (0.73%) VMware Certified Professional (VCP)
10 7 (0.64%) DV Cleared
10 7 (0.64%) GCIA
10 7 (0.64%) GCIH
10 7 (0.64%) Microsoft Certification
10 7 (0.64%) Numerate Degree
10 7 (0.64%) SC Cleared
Quality Assurance & Compliance
1 56 (5.12%) QA
2 19 (1.74%) SLA
3 17 (1.56%) ISO/IEC 27001
4 8 (0.73%) PCI DSS
5 5 (0.46%) NIST 800
6 4 (0.37%) MiFID
6 4 (0.37%) OIPF
7 3 (0.27%) Data Quality
7 3 (0.27%) GCP
7 3 (0.27%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 3 (0.27%) Solvency II
8 2 (0.18%) EMIR
8 2 (0.18%) FISMA
8 2 (0.18%) SEPA
9 1 (0.091%) DICOM
9 1 (0.091%) GDPR
9 1 (0.091%) HL7
9 1 (0.091%) PMO
System Software
1 153 (14.00%) Docker
2 73 (6.68%) VMware Infrastructure
3 72 (6.59%) Active Directory
4 21 (1.92%) VMware ESXi
5 20 (1.83%) Virtual Machines
6 16 (1.46%) Hyper-V
6 16 (1.46%) vSphere
7 13 (1.19%) LXC
8 11 (1.01%) VMware Workstation
9 9 (0.82%) Xen
10 8 (0.73%) Cronacle
10 8 (0.73%) iptables
11 7 (0.64%) KVM
12 6 (0.55%) pfSense
12 6 (0.55%) XenApp
13 5 (0.46%) Apache Flume
13 5 (0.46%) Varnish
13 5 (0.46%) VirtualBox
13 5 (0.46%) XenDesktop
14 4 (0.37%) XenServer
Systems Management
1 170 (15.55%) Puppet
2 161 (14.73%) Ansible
3 104 (9.52%) Opscode Chef
4 65 (5.95%) Terraform
5 64 (5.86%) Kubernetes
6 45 (4.12%) Nagios
7 20 (1.83%) Salt
8 16 (1.46%) Grafana
9 15 (1.37%) SCCM
10 12 (1.10%) Nessus
11 11 (1.01%) vRealize
11 11 (1.01%) ZABBIX
12 9 (0.82%) Packer
12 9 (0.82%) Tivoli
13 8 (0.73%) QRadar
14 6 (0.55%) CSIRT
14 6 (0.55%) Docker Swarm
14 6 (0.55%) FortiGate
14 6 (0.55%) ITRS Geneos
14 6 (0.55%) Perfmon
Vendors
1 131 (11.99%) Oracle
2 118 (10.80%) VMware
3 100 (9.15%) Red Hat
4 96 (8.78%) Microsoft
5 75 (6.86%) Sybase
6 63 (5.76%) Cisco
7 35 (3.20%) Citrix
8 31 (2.84%) Splunk
9 23 (2.10%) HP
10 21 (1.92%) IBM
10 21 (1.92%) Murex
11 18 (1.65%) Google
11 18 (1.65%) ServiceNow
12 17 (1.56%) Apple
12 17 (1.56%) BT
13 16 (1.46%) Arqiva
14 15 (1.37%) New Relic
14 15 (1.37%) TIBCO
15 14 (1.28%) CheckPoint
15 14 (1.28%) Juniper