Period
to 25 April 2018

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 25 April 2018 with a comparison to the same period in the previous 2 years.

Linux
Central London > City of London
6 months to
25 Apr 2018
Same period 2017 Same period 2016
Rank 18 12 14
Rank change year-on-year -6 +2 +2
Permanent jobs citing Linux 1,037 1,357 1,484
As % of all permanent IT jobs advertised in the City of London 9.59% 13.18% 10.79%
As % of the Operating Systems category 44.30% 50.52% 43.37%
Number of salaries quoted 948 1,221 1,350
City of London median annual salary £67,500 £62,500 £60,000
Median salary % change year-on-year +8.00% +4.17% +9.09%
10th Percentile £41,250 £36,250 £36,500
90th Percentile £94,475 £100,000 £90,000
Central London median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +9.09%

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 2,341 2,686 3,422
As % of all permanent IT jobs advertised in the City of London 21.66% 26.10% 24.89%
Number of salaries quoted 2,138 2,438 3,084
City of London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +10.00%
10th Percentile £31,250 £29,675 £30,000
90th Percentile £87,500 £92,500 £85,000
Central London median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +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 25 April 2018.

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 25 April 2018. 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
London Bridge -1 3 £64,500 +22.86%
Linux
Central London

For the 6 months to 25 April 2018, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for Linux.

1 456 (43.97%) Finance
2 371 (35.78%) Python
3 323 (31.15%) DevOps
4 309 (29.80%) Windows
5 307 (29.60%) Amazon AWS
6 278 (26.81%) Java
7 258 (24.88%) SQL
8 250 (24.11%) Unix
9 232 (22.37%) Docker
10 183 (17.65%) Ansible
11 179 (17.26%) Agile Software Development
12 161 (15.53%) Banking
13 160 (15.43%) Microsoft Azure
14 153 (14.75%) Jenkins
14 153 (14.75%) Puppet
15 152 (14.66%) C++
16 151 (14.56%) JavaScript
17 150 (14.46%) Bash Shell
18 143 (13.79%) Perl
19 138 (13.31%) MySQL
20 135 (13.02%) Git (software)
21 133 (12.83%) VMware
22 130 (12.54%) Configuration Management
23 129 (12.44%) Opscode Chef
24 125 (12.05%) Oracle
25 120 (11.57%) Kubernetes
26 119 (11.48%) Degree
27 116 (11.19%) Microsoft
28 113 (10.90%) Red Hat Enterprise Linux
29 110 (10.61%) Firewall

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 86 (8.29%) Apache
2 59 (5.69%) Elasticsearch
3 49 (4.73%) Tomcat
4 38 (3.66%) IIS
5 35 (3.38%) nginx
6 34 (3.28%) Apache Spark
7 32 (3.09%) Ethereum
8 28 (2.70%) Confluence
9 15 (1.45%) MS Exchange
10 12 (1.16%) JBoss
10 12 (1.16%) OpenStack
11 9 (0.87%) Skype for Business
12 8 (0.77%) WebSphere
12 8 (0.77%) WordPress
13 7 (0.68%) Apache Solr
13 7 (0.68%) SharePoint
14 6 (0.58%) CMS
14 6 (0.58%) Hyperledger
14 6 (0.58%) WebLogic
15 5 (0.48%) NServiceBus
Applications
1 17 (1.64%) Microsoft Office
2 15 (1.45%) Microsoft Excel
3 9 (0.87%) MS Visio
4 6 (0.58%) Microsoft PowerPoint
5 3 (0.29%) Spreadsheet
6 1 (0.096%) HipChat
6 1 (0.096%) SPSS
Business Applications
1 28 (2.70%) Distributed Ledger
2 21 (2.03%) MetaTrader
3 9 (0.87%) RMDS
4 6 (0.58%) Payment Gateway
5 4 (0.39%) Magento
6 3 (0.29%) iTrent
6 3 (0.29%) Unit4 Business World
7 2 (0.19%) Dynamics NAV
7 2 (0.19%) Salesforce.com CRM
8 1 (0.096%) BusinessWorks
8 1 (0.096%) CSG Singleview
8 1 (0.096%) Dynamics CRM
8 1 (0.096%) Infor M3
8 1 (0.096%) ION MarketView
8 1 (0.096%) Kondor
8 1 (0.096%) NetSuite
8 1 (0.096%) Oracle ERP
8 1 (0.096%) Shopify
8 1 (0.096%) Temenos T24
8 1 (0.096%) WebTrends
Cloud Services
1 307 (29.60%) Amazon AWS
2 160 (15.43%) Microsoft Azure
3 44 (4.24%) GitHub
4 43 (4.15%) SaaS
5 41 (3.95%) Cloud Computing
6 39 (3.76%) AWS CloudFormation
7 36 (3.47%) Amazon EC2
7 36 (3.47%) Google Cloud Platform
8 25 (2.41%) IaaS
9 24 (2.31%) Amazon S3
10 23 (2.22%) Office 365
11 16 (1.54%) PaaS
11 16 (1.54%) Slack
12 15 (1.45%) NuGet
13 12 (1.16%) Amazon ElastiCache
13 12 (1.16%) G Suite
13 12 (1.16%) Trello
14 8 (0.77%) Route 53
15 7 (0.68%) CloudFront
15 7 (0.68%) Datadog
Communications & Networking
1 110 (10.61%) Firewall
2 97 (9.35%) TCP/IP
3 72 (6.94%) DNS
4 47 (4.53%) Internet
5 38 (3.66%) LAN
6 37 (3.57%) WAN
7 33 (3.18%) VPN
8 31 (2.99%) SAN
9 20 (1.93%) Multicast
9 20 (1.93%) NetScaler
10 18 (1.74%) HTTP
11 15 (1.45%) Intrusion Detection
11 15 (1.45%) Wireless
12 13 (1.25%) Cisco IOS
12 13 (1.25%) DHCP
13 11 (1.06%) Cisco ASA
14 10 (0.96%) FTP
14 10 (0.96%) NAS
15 9 (0.87%) BGP
15 9 (0.87%) IPsec
Database & Business Intelligence
1 138 (13.31%) MySQL
2 101 (9.74%) SQL Server
3 80 (7.71%) Relational Database
4 76 (7.33%) PostgreSQL
5 66 (6.36%) NoSQL
6 58 (5.59%) MongoDB
7 56 (5.40%) Big Data
8 51 (4.92%) Blockchain
9 46 (4.44%) RDBMS
10 36 (3.47%) Oracle Database
11 35 (3.38%) Hadoop
11 35 (3.38%) Redis
12 18 (1.74%) Amazon RDS
13 16 (1.54%) SQL Server 2012
14 12 (1.16%) Apache Cassandra
15 9 (0.87%) Apache Hive
16 8 (0.77%) Data Warehouse
16 8 (0.77%) Oracle Database 11g
17 7 (0.68%) HBase
17 7 (0.68%) Oracle Database 10g
Development Applications
1 153 (14.75%) Jenkins
2 135 (13.02%) Git (software)
3 63 (6.08%) JIRA
4 57 (5.50%) Maven
5 35 (3.38%) Atlassian Bamboo
6 33 (3.18%) Ant
6 33 (3.18%) TeamCity
7 28 (2.70%) Subversion
8 21 (2.03%) Eclipse
8 21 (2.03%) Visual Studio
9 18 (1.74%) Gradle
10 17 (1.64%) IntelliJ
11 16 (1.54%) Team Foundation Server
12 15 (1.45%) Bitbucket
12 15 (1.45%) CA Release Automation
12 15 (1.45%) Fiddler
12 15 (1.45%) GitLab
12 15 (1.45%) JUnit
12 15 (1.45%) ReSharper
12 15 (1.45%) Selenium
General
1 456 (43.97%) Finance
2 161 (15.53%) Banking
3 88 (8.49%) Front Office
4 51 (4.92%) Retail
5 45 (4.34%) Financial Institution
6 33 (3.18%) Telecoms
7 29 (2.80%) Advertising
8 23 (2.22%) Back Office
9 22 (2.12%) Law
10 20 (1.93%) Investment Banking
11 18 (1.74%) Publishing
12 16 (1.54%) Games
12 16 (1.54%) Legal
13 8 (0.77%) Marketing
14 7 (0.68%) Billing
14 7 (0.68%) Multimedia
15 6 (0.58%) French Language
15 6 (0.58%) Retail Banking
16 5 (0.48%) Pharmaceutical
17 2 (0.19%) Mandarin Language
Job Titles
1 268 (25.84%) Developer
2 152 (14.66%) DevOps Engineer
3 111 (10.70%) Analyst
4 91 (8.78%) Java Developer
5 71 (6.85%) Senior Developer
6 67 (6.46%) Applications Support
7 63 (6.08%) Administrator
8 52 (5.01%) Linux Engineer
9 51 (4.92%) Support Analyst
10 49 (4.73%) Systems Administrator
11 43 (4.15%) Consultant
12 40 (3.86%) C++ Developer
13 39 (3.76%) Architect
14 38 (3.66%) AWS Engineer
15 36 (3.47%) AWS DevOps
15 36 (3.47%) Senior DevOps
16 35 (3.38%) Linux Administrator
16 35 (3.38%) Senior Java Developer
17 34 (3.28%) Cloud Engineer
17 34 (3.28%) Python Developer
Libraries, Frameworks & Software Standards
1 72 (6.94%) HTML
2 68 (6.56%) CSS
3 67 (6.46%) Web Services
4 64 (6.17%) Node.js
5 59 (5.69%) .NET
5 59 (5.69%) FIX Protocol
6 56 (5.40%) Spring
7 55 (5.30%) REST
8 52 (5.01%) XML
9 46 (4.44%) LAMP
10 31 (2.99%) Kafka
11 29 (2.80%) jQuery
11 29 (2.80%) JSON
11 29 (2.80%) React
12 27 (2.60%) AngularJS
12 27 (2.60%) RESTful
12 27 (2.60%) Smart Contracts
13 26 (2.51%) RabbitMQ
14 25 (2.41%) HTML5
15 24 (2.31%) web3js
Miscellaneous
1 87 (8.39%) Fintech
2 68 (6.56%) Computer Science
3 62 (5.98%) Data Centre
4 59 (5.69%) Foreign Exchange (FX)
5 49 (4.73%) Equities
6 38 (3.66%) Algorithms
6 38 (3.66%) Management Information System
7 37 (3.57%) Analytical Skills
8 35 (3.38%) Linux Command Line
9 34 (3.28%) Hedge funds
10 31 (2.99%) Bitcoin
11 26 (2.51%) Fixed Income
12 25 (2.41%) Derivative
13 24 (2.31%) Public Cloud
14 18 (1.74%) Data Structures
15 17 (1.64%) Private Cloud
16 16 (1.54%) Greenfield Project
17 15 (1.45%) User Experience
18 14 (1.35%) Self-Motivation
19 12 (1.16%) STB
Operating Systems
1 309 (29.80%) Windows
2 250 (24.11%) Unix
3 113 (10.90%) Red Hat Enterprise Linux
4 76 (7.33%) CentOS
5 63 (6.08%) Windows Server
6 59 (5.69%) Ubuntu
7 32 (3.09%) Solaris
8 25 (2.41%) Windows Server 2012
9 17 (1.64%) Android
10 16 (1.54%) Debian
10 16 (1.54%) Oracle Linux
10 16 (1.54%) Windows Server 2008
11 12 (1.16%) Windows 10
11 12 (1.16%) Windows 7
12 8 (0.77%) openSUSE
12 8 (0.77%) VMS
12 8 (0.77%) Windows Server 2003
13 7 (0.68%) Mac OS
14 6 (0.58%) Embedded Linux
14 6 (0.58%) Kali Linux
Processes & Methodologies
1 323 (31.15%) DevOps
2 179 (17.26%) Agile Software Development
3 130 (12.54%) Configuration Management
4 100 (9.64%) Problem-Solving
5 92 (8.87%) Continuous Integration
6 88 (8.49%) TDD
7 78 (7.52%) Low Latency
8 77 (7.43%) Microservices
9 76 (7.33%) Software Engineering
10 68 (6.56%) Multithreading
11 67 (6.46%) Open Source
12 62 (5.98%) Test Automation
13 56 (5.40%) Information Security
14 53 (5.11%) Migration
14 53 (5.11%) OO
15 50 (4.82%) Scrum
16 48 (4.63%) ITIL
17 47 (4.53%) Electronic Trading
17 47 (4.53%) Front End Development
18 45 (4.34%) E-Commerce
Programming Languages
1 371 (35.78%) Python
2 278 (26.81%) Java
3 258 (24.88%) SQL
4 152 (14.66%) C++
5 151 (14.56%) JavaScript
6 150 (14.46%) Bash Shell
7 143 (13.79%) Perl
8 104 (10.03%) Shell Script
9 103 (9.93%) Ruby
10 87 (8.39%) PHP
11 81 (7.81%) PowerShell
12 64 (6.17%) C
13 62 (5.98%) C#
14 32 (3.09%) Solidity
15 31 (2.99%) Go
16 23 (2.22%) ES6
17 18 (1.74%) Java 8
17 18 (1.74%) Korn
18 12 (1.16%) PL/SQL
19 10 (0.96%) CoffeeScript
Qualifications
1 119 (11.48%) Degree
2 44 (4.24%) Computer Science Degree
3 40 (3.86%) CISSP
4 26 (2.51%) CISM
5 23 (2.22%) Cisco Certification
6 18 (1.74%) RHCE
7 14 (1.35%) CISA
7 14 (1.35%) SANS
8 13 (1.25%) CCNA
9 11 (1.06%) Security Cleared
9 11 (1.06%) TOGAF Certification
10 9 (0.87%) CEH
10 9 (0.87%) Microsoft Certification
11 8 (0.77%) Numerate Degree
11 8 (0.77%) PhD
12 7 (0.68%) Linux+ Certification
12 7 (0.68%) RHCSA
13 6 (0.58%) GIAC
13 6 (0.58%) ITIL Certification
13 6 (0.58%) SC Cleared
Quality Assurance & Compliance
1 43 (4.15%) QA
2 26 (2.51%) GCP
3 16 (1.54%) PCI DSS
4 13 (1.25%) SLA
5 11 (1.06%) ISO/IEC 27001
6 10 (0.96%) Data Quality
7 5 (0.48%) SEPA
8 4 (0.39%) MiFID
9 3 (0.29%) GDPR
9 3 (0.29%) ISO 9001
9 3 (0.29%) OIPF
System Software
1 232 (22.37%) Docker
2 71 (6.85%) VMware Infrastructure
3 56 (5.40%) Active Directory
4 28 (2.70%) Virtual Machines
5 23 (2.22%) Hyper-V
6 13 (1.25%) LXC
7 12 (1.16%) VMware ESXi
8 10 (0.96%) vSphere
9 9 (0.87%) KVM
10 6 (0.58%) pfSense
10 6 (0.58%) Snort
11 5 (0.48%) Apache Flume
11 5 (0.48%) XenApp
12 4 (0.39%) HDFS
12 4 (0.39%) Xen
13 3 (0.29%) iptables
13 3 (0.29%) StorNext
13 3 (0.29%) Virtual Desktop
13 3 (0.29%) VMware Workstation
13 3 (0.29%) Xsan
Systems Management
1 183 (17.65%) Ansible
2 153 (14.75%) Puppet
3 129 (12.44%) Opscode Chef
4 120 (11.57%) Kubernetes
5 102 (9.84%) Terraform
6 40 (3.86%) Nagios
7 21 (2.03%) Salt
8 16 (1.54%) Kibana
8 16 (1.54%) logstash
9 15 (1.45%) Perfmon
10 13 (1.25%) Consul
11 12 (1.16%) Docker Swarm
11 12 (1.16%) Nessus
12 11 (1.06%) Grafana
12 11 (1.06%) SCCM
13 10 (0.96%) FortiGate
13 10 (0.96%) ZABBIX
14 6 (0.58%) OpenVAS
14 6 (0.58%) OSSEC
14 6 (0.58%) Red Hat Spacewalk
Vendors
1 133 (12.83%) VMware
2 125 (12.05%) Oracle
3 116 (11.19%) Microsoft
4 104 (10.03%) Red Hat
5 54 (5.21%) Sybase
6 45 (4.34%) Cisco
7 33 (3.18%) Google
8 26 (2.51%) Splunk
9 24 (2.31%) Apple
10 23 (2.22%) Citrix
11 22 (2.12%) SolarWinds
12 21 (2.03%) TIBCO
13 20 (1.93%) HP
14 17 (1.64%) Juniper
14 17 (1.64%) Murex
15 14 (1.35%) Fortinet
16 13 (1.25%) Atlassian
16 13 (1.25%) BT
16 13 (1.25%) Reuters
17 12 (1.16%) F5