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 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Linux
London > City of London
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 12 11 16
Rank change year-on-year -1 +5  
Permanent jobs citing Linux 670 798 1121
As % of all permanent IT jobs advertised in the City of London 13.07% 12.57% 10.85%
As % of the Operating Systems category 49.67% 46.34% 45.70%
Number of salaries quoted 611 721 988
City of London median annual salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.34%  
10th Percentile £32,500 £36,250 £36,250
90th Percentile £96,250 £90,000 £84,125
London median annual salary £60,000 £57,500 £57,500
% change year-on-year +4.34% -  

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 1349 1722 2453
As % of all permanent IT job vacancies advertised in the City of London 26.31% 27.12% 23.73%
Number of salaries quoted 2886 3372 4881
City of London median annual salary £52,500 £54,000 £50,000
Median salary % change year-on-year -2.77% +8.00%  
10th Percentile £28,500 £29,375 £29,000
90th Percentile £85,000 £75,000 £83,750
London median annual salary £52,500 £52,500 £50,000
% change year-on-year - +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 3 months to 29 June 2017.

Salary histogram for Linux in the City of London

For the 6 months to 29 June 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.

1 525 (40.23%) Finance
2 495 (37.93%) Windows
3 438 (33.56%) Python
4 375 (28.74%) SQL
5 374 (28.66%) Unix
6 359 (27.51%) Java
7 266 (20.38%) DevOps
8 224 (17.16%) Agile Software Development
9 223 (17.09%) Puppet
10 202 (15.48%) Banking
10 202 (15.48%) Red Hat
11 199 (15.25%) Amazon AWS
12 187 (14.33%) Oracle
13 179 (13.72%) Degree
14 177 (13.56%) Red Hat Enterprise Linux
15 174 (13.33%) Bash Shell
16 173 (13.26%) JavaScript
16 173 (13.26%) C++
17 168 (12.87%) MySQL
18 165 (12.64%) Ansible
18 165 (12.64%) Jenkins
19 153 (11.72%) VMware
20 151 (11.57%) Perl
20 151 (11.57%) Docker
20 151 (11.57%) Fintech
21 141 (10.80%) SQL Server
22 140 (10.73%) Firewall
23 135 (10.34%) HTML
23 135 (10.34%) Microsoft
24 131 (10.04%) PHP

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
1 113 (8.66%) Apache
2 73 (5.59%) Tomcat
3 40 (3.07%) IIS
4 37 (2.84%) JBoss
5 36 (2.76%) Elasticsearch
6 32 (2.45%) WebLogic
7 31 (2.38%) Apache Spark
8 25 (1.92%) nginx
9 23 (1.76%) OpenStack
10 21 (1.61%) WebSphere
11 19 (1.46%) CMS
12 18 (1.38%) Confluence
13 17 (1.30%) MS Exchange
14 15 (1.15%) WordPress
15 11 (0.84%) SharePoint
16 10 (0.77%) Exchange Server 2010
17 9 (0.69%) Drupal
18 8 (0.61%) Apache Pig
19 7 (0.54%) Apache Solr
20 6 (0.46%) BizTalk Server
Applications
1 14 (1.07%) Microsoft Office
2 6 (0.46%) Microsoft Excel
3 4 (0.31%) Microsoft PowerPoint
4 1 (0.077%) MS Visio
Business Applications
1 7 (0.54%) Magento
2 4 (0.31%) SAP BPC
3 2 (0.15%) Markit EDM
3 2 (0.15%) Sage X3
4 1 (0.077%) Eze OMS
4 1 (0.077%) OpenLink RightAngle
4 1 (0.077%) Oracle Applications
4 1 (0.077%) SAP Oil and Gas
4 1 (0.077%) SAP SRM
4 1 (0.077%) Sentinel
4 1 (0.077%) Temenos T24
4 1 (0.077%) thinkFolio
Cloud Services
1 199 (15.25%) Amazon AWS
2 68 (5.21%) Microsoft Azure
3 31 (2.38%) SaaS
4 24 (1.84%) Amazon S3
5 23 (1.76%) AWS CloudFormation
6 20 (1.53%) Office 365
7 18 (1.38%) Amazon EC2
7 18 (1.38%) Cloud Computing
8 16 (1.23%) Amazon ELB
8 16 (1.23%) GitHub
9 15 (1.15%) Google Cloud Platform
10 11 (0.84%) IaaS
11 10 (0.77%) Amazon SQS
11 10 (0.77%) AWS Lambda
11 10 (0.77%) DigitalOcean
11 10 (0.77%) PaaS
11 10 (0.77%) Virtual Private Cloud
12 9 (0.69%) G Suite
12 9 (0.69%) Route 53
13 8 (0.61%) Heroku
Communications & Networking
1 140 (10.73%) Firewall
2 86 (6.59%) TCP/IP
3 67 (5.13%) DNS
4 63 (4.83%) SAN
5 51 (3.91%) DHCP
5 51 (3.91%) Network Security
6 40 (3.07%) Cisco ASA
6 40 (3.07%) VPN
6 40 (3.07%) WAN
7 39 (2.99%) Internet
7 39 (2.99%) LAN
8 34 (2.61%) HTTP
9 30 (2.30%) LDAP
9 30 (2.30%) NAS
10 29 (2.22%) Wireless
11 23 (1.76%) BGP
11 23 (1.76%) VLAN
12 20 (1.53%) Intrusion Detection
12 20 (1.53%) OSPF
13 17 (1.30%) VoIP
Database & Business Intelligence
1 168 (12.87%) MySQL
2 141 (10.80%) SQL Server
3 84 (6.44%) Relational Database
4 61 (4.67%) PostgreSQL
5 51 (3.91%) NoSQL
6 48 (3.68%) Hadoop
6 48 (3.68%) Oracle Database
7 43 (3.30%) KDB
8 42 (3.22%) Big Data
9 38 (2.91%) Apache Cassandra
10 34 (2.61%) RDBMS
11 33 (2.53%) MongoDB
12 31 (2.38%) Kdb+
12 31 (2.38%) Redis
13 30 (2.30%) SQL Server 2008
14 21 (1.61%) Data Warehouse
15 20 (1.53%) Oracle Database 11g
16 18 (1.38%) SQL Server Reporting Services
17 15 (1.15%) Apache Hive
18 14 (1.07%) SQL Server Integration Services
Development Applications
1 165 (12.64%) Jenkins
2 114 (8.74%) Git (software)
3 101 (7.74%) JIRA
4 66 (5.06%) Subversion
5 54 (4.14%) Maven
6 36 (2.76%) JUnit
7 33 (2.53%) Atlassian Bamboo
8 26 (1.99%) Selenium
9 22 (1.69%) TeamCity
10 20 (1.53%) Gradle
10 20 (1.53%) SilkPerformer
10 20 (1.53%) SilkTest
11 17 (1.30%) Cucumber
11 17 (1.30%) Eclipse
11 17 (1.30%) Vagrant
12 11 (0.84%) Gatling
13 10 (0.77%) webpack
14 9 (0.69%) Hamcrest
14 9 (0.69%) jMock
15 8 (0.61%) IntelliJ
General
1 525 (40.23%) Finance
2 202 (15.48%) Banking
3 123 (9.43%) Front Office
4 45 (3.45%) Investment Banking
5 38 (2.91%) Advertising
6 35 (2.68%) Back Office
7 33 (2.53%) Legal
8 27 (2.07%) Telecoms
9 20 (1.53%) Games
10 18 (1.38%) Financial Institution
11 17 (1.30%) Marketing
12 13 (1.00%) Retail
13 11 (0.84%) French Language
14 5 (0.38%) Electronics
15 4 (0.31%) Billing
15 4 (0.31%) Law
15 4 (0.31%) Manufacturing
15 4 (0.31%) Multimedia
15 4 (0.31%) Publishing
16 3 (0.23%) Pharmaceutical
Job Titles
1 343 (26.28%) Developer
2 156 (11.95%) DevOps Engineer
3 146 (11.19%) Analyst
4 100 (7.66%) Administrator
5 94 (7.20%) Support Engineer
6 91 (6.97%) Linux Engineer
7 88 (6.74%) Java Developer
8 66 (5.06%) Applications Support
8 66 (5.06%) Support Analyst
9 53 (4.06%) C++ Developer
10 52 (3.98%) Senior Developer
11 50 (3.83%) Systems Administrator
12 45 (3.45%) Linux Administrator
13 44 (3.37%) Infrastructure Engineer
14 43 (3.30%) Systems Engineer
15 40 (3.07%) Graduate
15 40 (3.07%) Network Engineer
16 37 (2.84%) Front Office Developer
17 35 (2.68%) Junior
17 35 (2.68%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 135 (10.34%) HTML
2 97 (7.43%) CSS
3 88 (6.74%) Web Services
4 74 (5.67%) Spring
5 64 (4.90%) FIX Protocol
6 63 (4.83%) .NET
7 60 (4.60%) LAMP
8 58 (4.44%) Node.js
8 58 (4.44%) XML
9 55 (4.21%) jQuery
10 46 (3.52%) Hibernate
11 41 (3.14%) REST
12 40 (3.07%) React
13 38 (2.91%) AngularJS
14 37 (2.84%) HTML5
15 31 (2.38%) JMS
15 31 (2.38%) Twitter Bootstrap
16 29 (2.22%) SOAP
17 26 (1.99%) J2EE
18 25 (1.92%) RESTful
Miscellaneous
1 151 (11.57%) Fintech
2 106 (8.12%) Computer Science
3 79 (6.05%) Analytical Skills
4 63 (4.83%) Data Centre
5 61 (4.67%) Equities
6 55 (4.21%) Derivative
7 54 (4.14%) Linux Command Line
8 40 (3.07%) Algorithms
8 40 (3.07%) Fixed Income
9 39 (2.99%) User Experience
10 36 (2.76%) Clustering
11 34 (2.61%) Greenfield Project
11 34 (2.61%) Hedge funds
12 32 (2.45%) Foreign Exchange (FX)
13 31 (2.38%) Management Information System
13 31 (2.38%) Replication
14 24 (1.84%) PKI
15 19 (1.46%) Data Structures
16 15 (1.15%) Security Operations Centre
17 14 (1.07%) Equity Derivative
Operating Systems
1 495 (37.93%) Windows
2 374 (28.66%) Unix
3 177 (13.56%) Red Hat Enterprise Linux
4 118 (9.04%) Windows Server
5 115 (8.81%) CentOS
6 100 (7.66%) Ubuntu
7 76 (5.82%) Solaris
8 44 (3.37%) Debian
9 43 (3.30%) Windows Server 2008
10 32 (2.45%) Windows Server 2012
11 16 (1.23%) Kali Linux
12 15 (1.15%) Android
13 12 (0.92%) Mac OS X
13 12 (0.92%) Windows 7
14 11 (0.84%) AIX
14 11 (0.84%) Apple iOS
15 9 (0.69%) Windows 8
16 8 (0.61%) SUSE
16 8 (0.61%) VMS
16 8 (0.61%) Windows 10
Processes & Methodologies
1 266 (20.38%) DevOps
2 224 (17.16%) Agile Software Development
3 116 (8.89%) Continuous Integration
4 111 (8.51%) Electronic Trading
5 109 (8.35%) Configuration Management
6 99 (7.59%) Open Source
7 95 (7.28%) ITIL
8 91 (6.97%) Test Automation
9 72 (5.52%) Mathematics
10 68 (5.21%) Microservices
11 64 (4.90%) Low Latency
12 58 (4.44%) SDLC
12 58 (4.44%) TDD
13 57 (4.37%) Software Engineering
14 56 (4.29%) OO
15 55 (4.21%) Disaster Recovery
16 52 (3.98%) SIEM
17 50 (3.83%) Multithreading
17 50 (3.83%) Scrum
18 43 (3.30%) High Availability
Programming Languages
1 438 (33.56%) Python
2 375 (28.74%) SQL
3 359 (27.51%) Java
4 174 (13.33%) Bash Shell
5 173 (13.26%) C++
5 173 (13.26%) JavaScript
6 151 (11.57%) Perl
7 131 (10.04%) PHP
8 112 (8.58%) Ruby
9 109 (8.35%) Shell Script
10 88 (6.74%) PowerShell
11 66 (5.06%) C#
12 56 (4.29%) C
13 34 (2.61%) Go
14 25 (1.92%) Scala
15 17 (1.30%) T-SQL
15 17 (1.30%) VB
16 13 (1.00%) PL/SQL
17 12 (0.92%) Korn
18 10 (0.77%) Erlang
Qualifications
1 179 (13.72%) Degree
2 73 (5.59%) Cisco Certification
3 52 (3.98%) Security Cleared
4 48 (3.68%) CCNP
5 42 (3.22%) Computer Science Degree
6 40 (3.07%) CCNA
7 31 (2.38%) ISEB
8 29 (2.22%) RHCE
9 26 (1.99%) CISSP
10 25 (1.92%) Microsoft Certification
11 24 (1.84%) SANS
12 20 (1.53%) CCSP
13 18 (1.38%) CISM
13 18 (1.38%) SC Cleared
14 17 (1.30%) CCDP
14 17 (1.30%) CEH
14 17 (1.30%) MCSE
14 17 (1.30%) RHCA
15 16 (1.23%) GCIH
15 16 (1.23%) GIAC
Quality Assurance & Compliance
1 60 (4.60%) QA
2 37 (2.84%) ISO/IEC 27001
3 34 (2.61%) PCI DSS
4 28 (2.15%) SLA
5 9 (0.69%) MiFID
6 8 (0.61%) NIST 800
7 3 (0.23%) SEPA
8 2 (0.15%) EMIR
8 2 (0.15%) PMO
8 2 (0.15%) Solvency II
9 1 (0.077%) Data Quality
9 1 (0.077%) GCP
9 1 (0.077%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 151 (11.57%) Docker
2 94 (7.20%) VMware Infrastructure
3 87 (6.67%) Active Directory
4 35 (2.68%) Virtual Machines
5 34 (2.61%) vSphere
6 26 (1.99%) Hyper-V
7 25 (1.92%) NFS
8 20 (1.53%) VMware ESXi
9 16 (1.23%) pfSense
10 15 (1.15%) Snort
10 15 (1.15%) XenApp
11 11 (0.84%) KVM
11 11 (0.84%) XenServer
12 10 (0.77%) Veritas Cluster Server
12 10 (0.77%) Virtual Servers
13 9 (0.69%) Xen
14 8 (0.61%) HDFS
14 8 (0.61%) iptables
14 8 (0.61%) Varnish
15 7 (0.54%) VirtualBox
Systems Management
1 223 (17.09%) Puppet
2 165 (12.64%) Ansible
3 120 (9.20%) Opscode Chef
4 63 (4.83%) Terraform
5 52 (3.98%) Kubernetes
6 43 (3.30%) Nagios
7 19 (1.46%) FortiGate
8 18 (1.38%) SCCM
9 17 (1.30%) Nessus
9 17 (1.30%) Salt
10 14 (1.07%) Control-M
10 14 (1.07%) Grafana
10 14 (1.07%) ITRS Geneos
10 14 (1.07%) Mesos
10 14 (1.07%) OSSEC
11 10 (0.77%) McAfee ePO
11 10 (0.77%) Network Intrusion Detection System
12 9 (0.69%) Graphite
12 9 (0.69%) HAProxy
12 9 (0.69%) Munin
Vendors
1 202 (15.48%) Red Hat
2 187 (14.33%) Oracle
3 153 (11.72%) VMware
4 135 (10.34%) Microsoft
5 115 (8.81%) Cisco
6 48 (3.68%) HP
7 47 (3.60%) Juniper
8 45 (3.45%) NetApp
9 43 (3.30%) Citrix
10 42 (3.22%) Sybase
11 41 (3.14%) Atlassian
12 40 (3.07%) CheckPoint
13 37 (2.84%) F5
14 28 (2.15%) McAfee
15 27 (2.07%) Google
16 26 (1.99%) Splunk
17 25 (1.92%) Twitter
18 24 (1.84%) EMC
19 23 (1.76%) IBM
19 23 (1.76%) Palo Alto
City, London
Eutopia Solutions Ltd
Salary: £54000 - £62000 per annum + Generous Benefits package
Posted: 4 hours ago
City, London
Client Server
Salary: £50k to £65k + bonus + benefits
Posted: 3 hours ago
City, London
Bond Mckenzie
Salary: From £85,000 to £105,000 per annum plus front office bonus
Posted: 4 hours ago
City, London
Austin Fraser
Salary: £50000 - £65000 per annum + Bonus + Benifits
Posted: 21 hours ago
City, London
Computer People
Salary: £49000 - £74000 per annum + Bens, Bonus
Posted: Yesterday
City, London
Harrington Starr
Salary: £40000 - £50000 per annum + Bonus + Benefits
Posted: Yesterday
City, London
Harris Global
Salary: From £50,000 to £60,000 per annum + bonus and benefits
Posted: 21 hours ago
City, London
Eames Consulting
Salary: From £70,000 to £80,000 per annum
Posted: 22 hours ago
City, London
Square One Resources
Salary: From £50,000 to £75,000 per annum + Benefits
Posted: Yesterday
City, London
Talent International
Salary: £70000 - £85000 per annum
Posted: Yesterday
City, London
Roc Search
Salary: £45000 - £55000 per annum + Benefits
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: Up to £65,000 per annum
Posted: Yesterday
City, London
Understanding Recruitment
Salary: £30000 - £33000 per annum + Bens - Pens, Health
Posted: 3 days ago
City, London
ANSON MCCADE
Salary: £55,000 - £72,000 and excellent benefits / equity
Posted: 2 days ago
City, London
Mortimer Spinks
Posted: 2 days ago
City, London
Eames Consulting
Posted: 22 hours ago
City, London
Linux Recruit
Salary: £35000 - £40000 per annum
Posted: 2 days ago
City, London
Oscar
Salary: £50000 - £80000 per annum
Posted: 2 days ago
City, London
Quant Capital
Salary: Up to £65,000 per annum Bonus Medical Pension
Posted: Yesterday
City, London
Eames Consulting
Salary: From £70,000 to £80,000 per annum
Posted: Yesterday
City, London
Senitor Associates
Salary: Excellent Benefits
Posted: 3 days ago
City, London
Eutopia Solutions Ltd
Salary: £44000 - £53000 per annum + Exceptional Benefits Package
Posted: Yesterday
City, London
Oscar
Salary: £50000 - £80000 per annum
Posted: 3 days ago
City, London
ANSON MCCADE
Salary: Circa £50,000 - £70,000 and strong bonus/benefits
Posted: Yesterday
City, London
Pioneer Search
Salary: £30000 - £50000 per annum
Posted: 2 days ago
City, London
Nicoll Curtin
Salary: £45000 - £75000 per annum + Benefits + Bonus
Posted: Yesterday
City, London
Harrington Starr
Salary: £60000 - £80000 per annum + plus package and bonus
Posted: 3 hours ago
City, London
Digitech Resourcing Ltd
Salary: From £50,000 to £60,000 per annum + Training + Benefits
Posted: 2 days ago
City, London
TEKsystems
Salary: £100000 - £110000 per annum + Excellent Bonuses
Posted: 5 days ago
City, London
Harrington Starr
Salary: £40000 - £50000 per annum + Bonus + Benefits
Posted: 2 days ago