Period
to 22 November 2019

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Unix skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Unix over the 6 months to 22 November 2019 with a comparison to the same period in the previous 2 years.

Unix
England > London
6 months to
22 Nov 2019
Same period 2018 Same period 2017
Rank 102 85 56
Rank change year-on-year -17 -29 -1
Permanent jobs citing Unix 1,615 2,451 3,992
As % of all permanent IT jobs advertised in London 2.99% 3.65% 5.31%
As % of the Operating Systems category 13.94% 16.14% 21.37%
Number of salaries quoted 1,185 1,840 2,379
London median annual salary £72,500 £67,500 £62,500
Median salary % change year-on-year +7.41% +8.00% +4.17%
10th Percentile £42,500 £42,500 £37,500
90th Percentile £105,000 £105,000 £92,500
England median annual salary £56,798 £56,500 £55,000
% change year-on-year +0.53% +2.73% +4.76%

Unix 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 London with a requirement for operating system skills.

All Operating Systems
London
Permanent vacancies with a requirement for operating system skills 11,583 15,190 18,680
As % of all permanent IT jobs advertised in London 21.44% 22.61% 24.84%
Number of salaries quoted 9,444 12,601 14,449
London median annual salary £57,500 £58,500 £55,000
Median salary % change year-on-year -1.71% +6.36% -
10th Percentile £28,500 £30,000 £30,000
90th Percentile £92,500 £90,000 £85,000
England median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +5.56% -

Unix
Job Vacancy Trend in London

Job postings citing Unix as a percentage of all IT jobs advertised in London.

Job vacancy trend for Unix in London

Unix
Salary Trend in London

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

Salary trend for Unix in London

Unix
Salary Histogram in London

The salary distribution of IT jobs citing Unix in London over the 6 months to 22 November 2019.

Salary histogram for Unix in London

Unix
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the London region over the 6 months to 22 November 2019. 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
Central London -7 398 £75,000 +7.14% 74
West London +52 102 £70,000 +33.33% 15
South London +14 42 £67,500 +17.39% 7
East London +2 25 £82,500 +67.51% 17
North London -2 5 £55,000 +57.14% 1
Unix
England

For the 6 months to 22 November 2019, IT jobs citing Unix 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 London region with a requirement for Unix.

1 998 (61.80%) Linux
2 645 (39.94%) Finance
3 609 (37.71%) SQL
4 589 (36.47%) Python
5 588 (36.41%) Java
6 472 (29.23%) Agile Software Development
7 463 (28.67%) Windows
8 434 (26.87%) AWS
9 405 (25.08%) DevOps
10 319 (19.75%) Docker
11 303 (18.76%) Git (software)
12 297 (18.39%) Oracle
13 290 (17.96%) Ansible
14 283 (17.52%) Bash Shell
15 276 (17.09%) Azure
16 274 (16.97%) Problem-Solving
17 242 (14.98%) Banking
18 241 (14.92%) Jenkins
19 238 (14.74%) Degree
20 227 (14.06%) Kubernetes
21 208 (12.88%) Continuous Integration
22 197 (12.20%) JavaScript
23 194 (12.01%) Terraform
24 180 (11.15%) Puppet
25 177 (10.96%) QA
26 175 (10.84%) GCP
27 169 (10.46%) Microservices
28 168 (10.40%) Perl
29 163 (10.09%) Opscode Chef
30 160 (9.91%) Microsoft

Unix
Co-occurring IT Skills in 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 75 (4.64%) Apache Spark
2 43 (2.66%) Confluence
3 31 (1.92%) Apache
4 30 (1.86%) Elasticsearch
5 26 (1.61%) Tomcat
6 24 (1.49%) IIS
7 23 (1.42%) SAS
8 19 (1.18%) WebSphere
9 17 (1.05%) OpenStack
10 13 (0.80%) Jupyter
10 13 (0.80%) nginx
11 11 (0.68%) JBoss
11 11 (0.68%) WebLogic
12 10 (0.62%) MS Exchange
13 9 (0.56%) MQSeries
14 8 (0.50%) Apache Airflow
14 8 (0.50%) GeoServer
15 7 (0.43%) Apache Solr
15 7 (0.43%) Oracle SOA Suite
16 6 (0.37%) WebSphere Application Server
Applications
1 25 (1.55%) Microsoft Office
2 20 (1.24%) MS Visio
3 8 (0.50%) Microsoft Excel
4 6 (0.37%) Microsoft PowerPoint
5 3 (0.19%) HipChat
6 1 (0.062%) Microsoft Project
6 1 (0.062%) Spreadsheet
Business Applications
1 17 (1.05%) Oracle EBS
1 17 (1.05%) Oracle ERP
2 15 (0.93%) Salesforce.com CRM
3 5 (0.31%) R3 Corda
4 4 (0.25%) Adobe Campaign
4 4 (0.25%) Markit EDM
5 3 (0.19%) Dynamics CRM
5 3 (0.19%) SnowdropKCS
6 2 (0.12%) Remedy ITSM
6 2 (0.12%) Sonata
6 2 (0.12%) Temenos Globus
6 2 (0.12%) Temenos T24
6 2 (0.12%) Unica
7 1 (0.062%) LatentZero
7 1 (0.062%) LongView
7 1 (0.062%) Oracle 11i
7 1 (0.062%) Oracle Applications
7 1 (0.062%) Oracle Financials
7 1 (0.062%) SAP Hybris
7 1 (0.062%) Summit
Cloud Services
1 434 (26.87%) AWS
2 276 (17.09%) Azure
3 175 (10.84%) GCP
4 48 (2.97%) GitHub
5 45 (2.79%) Cloud Computing
6 42 (2.60%) Amazon EC2
7 36 (2.23%) AWS CloudFormation
7 36 (2.23%) SaaS
8 35 (2.17%) PaaS
8 35 (2.17%) Serverless
9 32 (1.98%) Amazon S3
9 32 (1.98%) AWS Lambda
10 31 (1.92%) IaaS
10 31 (1.92%) Power Platform
11 30 (1.86%) OpenShift
12 27 (1.67%) Amazon ECS
13 23 (1.42%) Datadog
14 16 (0.99%) Amazon EKS
15 15 (0.93%) CloudBees
15 15 (0.93%) Salesforce Sales Cloud
Communications & Networking
1 107 (6.63%) TCP/IP
2 83 (5.14%) Firewall
3 63 (3.90%) DNS
4 39 (2.41%) HTTP
4 39 (2.41%) Internet
5 38 (2.35%) DHCP
6 37 (2.29%) LAN
7 36 (2.23%) WAN
8 32 (1.98%) IPsec
9 27 (1.67%) Intrusion Detection
10 24 (1.49%) HTTPS
10 24 (1.49%) SAN
11 20 (1.24%) VPN
12 19 (1.18%) FIX Connectivity
12 19 (1.18%) SSL
13 18 (1.11%) DMZ
14 17 (1.05%) Network Security
15 14 (0.87%) Cisco ASA
16 12 (0.74%) Wireless
17 10 (0.62%) OSPF
Database & Business Intelligence
1 132 (8.17%) SQL Server
2 122 (7.55%) Relational Database
3 119 (7.37%) Big Data
4 116 (7.18%) MySQL
5 112 (6.93%) Hadoop
6 108 (6.69%) NoSQL
7 100 (6.19%) Oracle Database
8 82 (5.08%) PostgreSQL
9 62 (3.84%) Data Warehouse
10 46 (2.85%) Apache Hive
11 44 (2.72%) MongoDB
12 43 (2.66%) SQL Server Integration Services
12 43 (2.66%) SQL Server Reporting Services
13 41 (2.54%) RDBMS
14 35 (2.17%) Amazon RDS
15 31 (1.92%) Power BI
16 28 (1.73%) BusinessObjects
17 27 (1.67%) Amazon Redshift
18 26 (1.61%) Couchbase
18 26 (1.61%) Redis
Development Applications
1 303 (18.76%) Git (software)
2 241 (14.92%) Jenkins
3 135 (8.36%) JIRA
4 75 (4.64%) JMeter
5 61 (3.78%) Selenium
6 59 (3.65%) Team Foundation Server
7 58 (3.59%) Subversion
8 57 (3.53%) Maven
9 53 (3.28%) Bitbucket
10 51 (3.16%) LoadRunner
11 50 (3.10%) Octopus Deploy
12 46 (2.85%) Atlassian Bamboo
12 46 (2.85%) TeamCity
13 38 (2.35%) Travis CI
14 35 (2.17%) GitLab
15 30 (1.86%) GoCD
16 29 (1.80%) Cucumber
17 28 (1.73%) Visual Studio
18 27 (1.67%) Gradle
19 22 (1.36%) PhantomJS
General
1 645 (39.94%) Finance
2 242 (14.98%) Banking
3 97 (6.01%) Front Office
4 93 (5.76%) Investment Banking
5 48 (2.97%) Games
6 41 (2.54%) Law
7 30 (1.86%) Back Office
7 30 (1.86%) Retail
8 26 (1.61%) Financial Institution
9 23 (1.42%) Marketing
10 22 (1.36%) Advertising
11 20 (1.24%) Legal
12 17 (1.05%) French Language
13 16 (0.99%) Pharmaceutical
14 15 (0.93%) Telecoms
15 13 (0.80%) International Banking
15 13 (0.80%) Public Sector
16 9 (0.56%) Retail Banking
17 8 (0.50%) Manufacturing
18 6 (0.37%) General Ledger
Job Titles
1 390 (24.15%) Developer
2 173 (10.71%) Analyst
3 159 (9.85%) DevOps Engineer
4 122 (7.55%) Java Developer
5 105 (6.50%) Support Engineer
6 86 (5.33%) Linux Engineer
7 83 (5.14%) Consultant
8 77 (4.77%) Applications Support
9 74 (4.58%) Senior Developer
9 74 (4.58%) Support Analyst
10 73 (4.52%) Software Engineer
11 62 (3.84%) Python Developer
12 58 (3.59%) Unix Engineer
13 52 (3.22%) Data Engineer
13 52 (3.22%) Unix Support
14 51 (3.16%) Administrator
15 50 (3.10%) Security Engineer
16 48 (2.97%) Tester
17 43 (2.66%) Performance Tester
17 43 (2.66%) Python Engineer
Libraries, Frameworks & Software Standards
1 134 (8.30%) Web Services
2 127 (7.86%) XML
3 88 (5.45%) FIX Protocol
4 83 (5.14%) .NET
4 83 (5.14%) Node.js
5 81 (5.02%) HTML
6 80 (4.95%) REST
7 76 (4.71%) SOAP
7 76 (4.71%) Spring
8 64 (3.96%) RESTful
9 63 (3.90%) CSS
10 53 (3.28%) LDAP
11 51 (3.16%) JSON
12 48 (2.97%) Kafka
13 47 (2.91%) Spring Boot
14 42 (2.60%) J2EE
15 40 (2.48%) React
16 39 (2.41%) Elastic Stack
16 39 (2.41%) XSD
17 33 (2.04%) AngularJS
Miscellaneous
1 139 (8.61%) Analytical Skills
2 99 (6.13%) Fixed Income
3 91 (5.63%) Enterprise Software
3 91 (5.63%) Linux Command Line
4 78 (4.83%) Hedge funds
5 73 (4.52%) Equities
6 71 (4.40%) Algorithms
7 61 (3.78%) Public Cloud
8 57 (3.53%) Data Structures
9 51 (3.16%) Management Information System
10 49 (3.03%) Client/Server
11 47 (2.91%) Self-Motivation
12 46 (2.85%) Data Centre
13 45 (2.79%) Foreign Exchange (FX)
14 34 (2.11%) Mobile App
15 33 (2.04%) Greenfield Project
16 28 (1.73%) Replication
17 27 (1.67%) User Experience
18 18 (1.11%) Derivative
18 18 (1.11%) Private Cloud
Operating Systems
1 998 (61.80%) Linux
2 463 (28.67%) Windows
3 79 (4.89%) Solaris
4 55 (3.41%) Windows Server
5 48 (2.97%) Red Hat Enterprise Linux
6 21 (1.30%) CentOS
7 20 (1.24%) CoreOS
8 18 (1.11%) Mac OS
9 14 (0.87%) Ubuntu
10 11 (0.68%) Apple iOS
11 9 (0.56%) Windows Server 2008
12 8 (0.50%) Android
12 8 (0.50%) Fedora
12 8 (0.50%) Mac OS X
13 7 (0.43%) Windows Server 2012
14 5 (0.31%) zOS
15 4 (0.25%) Debian
15 4 (0.25%) Oracle Linux
16 3 (0.19%) VyOS
16 3 (0.19%) Windows 7
Processes & Methodologies
1 472 (29.23%) Agile Software Development
2 405 (25.08%) DevOps
3 274 (16.97%) Problem-Solving
4 208 (12.88%) Continuous Integration
5 169 (10.46%) Microservices
6 148 (9.16%) Analytics
7 147 (9.10%) Software Engineering
8 146 (9.04%) ITIL
9 136 (8.42%) Fintech
10 135 (8.36%) Computer Science
11 134 (8.30%) Scrum
12 130 (8.05%) SDLC
13 123 (7.62%) TDD
14 119 (7.37%) Test Automation
15 110 (6.81%) Configuration Management
16 99 (6.13%) Infrastructure as Code
17 96 (5.94%) Mentoring
18 90 (5.57%) Cybersecurity
19 87 (5.39%) Security Operations
20 84 (5.20%) Continuous Delivery
Programming Languages
1 609 (37.71%) SQL
2 589 (36.47%) Python
3 588 (36.41%) Java
4 283 (17.52%) Bash Shell
5 197 (12.20%) JavaScript
6 168 (10.40%) Perl
7 157 (9.72%) Shell Script
8 130 (8.05%) C++
9 125 (7.74%) C#
10 121 (7.49%) PowerShell
11 85 (5.26%) PL/SQL
12 71 (4.40%) PHP
13 68 (4.21%) Ruby
14 67 (4.15%) C
15 63 (3.90%) Go
16 52 (3.22%) Scala
17 37 (2.29%) TypeScript
18 29 (1.80%) Java 8
19 27 (1.67%) Korn
20 26 (1.61%) T-SQL
Qualifications
1 238 (14.74%) Degree
2 58 (3.59%) Computer Science Degree
3 30 (1.86%) Microsoft Certification
4 27 (1.67%) PhD
5 25 (1.55%) MCP
5 25 (1.55%) RHCE
6 23 (1.42%) Master's Degree
7 15 (0.93%) Cisco Certification
8 14 (0.87%) CISSP
8 14 (0.87%) Security Cleared
9 12 (0.74%) GIAC
10 10 (0.62%) CISM
11 9 (0.56%) CCNP
11 9 (0.56%) ITIL Certification
12 8 (0.50%) CCNA
12 8 (0.50%) Numerate Degree
12 8 (0.50%) Oracle Certification
12 8 (0.50%) SANS
12 8 (0.50%) Sun Certification
13 7 (0.43%) SC Cleared
Quality Assurance & Compliance
1 177 (10.96%) QA
2 87 (5.39%) SLA
3 33 (2.04%) GDPR
4 17 (1.05%) Data Quality
5 15 (0.93%) IFRS
6 14 (0.87%) ISO/IEC 27001
6 14 (0.87%) PCI DSS
7 13 (0.80%) ISO/IEC 20000
8 9 (0.56%) COBIT
8 9 (0.56%) MiFID
9 7 (0.43%) Dodd-Frank
9 7 (0.43%) EMIR
10 6 (0.37%) NIST
10 6 (0.37%) Sarbanes-Oxley
11 5 (0.31%) COSO
11 5 (0.31%) Solvency II
12 4 (0.25%) ISO/IEC 15288
13 1 (0.062%) ITGC
System Software
1 319 (19.75%) Docker
2 90 (5.57%) Active Directory
3 26 (1.61%) VMware Infrastructure
4 25 (1.55%) Firmware
5 17 (1.05%) NFS
5 17 (1.05%) Xen
6 16 (0.99%) VMware ESXi
7 12 (0.74%) VMware Workstation
8 11 (0.68%) vSphere
9 9 (0.56%) Hyper-V
9 9 (0.56%) Oracle RAC
10 8 (0.50%) XenApp
11 7 (0.43%) Cronacle
12 6 (0.37%) ProxySG
12 6 (0.37%) Veritas File System
12 6 (0.37%) Veritas Volume Manager
13 5 (0.31%) HDFS
13 5 (0.31%) LXC
14 3 (0.19%) VMware NSX
14 3 (0.19%) XenDesktop
Systems Management
1 290 (17.96%) Ansible
2 227 (14.06%) Kubernetes
3 194 (12.01%) Terraform
4 180 (11.15%) Puppet
5 163 (10.09%) Opscode Chef
6 39 (2.41%) Automic
7 37 (2.29%) Consul
8 23 (1.42%) ITRS Geneos
8 23 (1.42%) Salt
9 22 (1.36%) Graphite
10 20 (1.24%) Nagios
11 19 (1.18%) Rundeck
12 16 (0.99%) Kibana
13 12 (0.74%) Control-M
13 12 (0.74%) Rancher
13 12 (0.74%) WebSphere Cast Iron
14 11 (0.68%) BladeLogic
14 11 (0.68%) HAProxy
15 10 (0.62%) Prometheus
16 9 (0.56%) Grafana
Vendors
1 297 (18.39%) Oracle
2 160 (9.91%) Microsoft
3 148 (9.16%) Google
4 96 (5.94%) Splunk
5 87 (5.39%) ServiceNow
6 81 (5.02%) VMware
7 73 (4.52%) Red Hat
8 53 (3.28%) HP
9 45 (2.79%) Cisco
10 41 (2.54%) Sybase
11 39 (2.41%) CyberArk
12 32 (1.98%) Salesforce.com
13 31 (1.92%) Symantec
14 27 (1.67%) Atlassian
15 26 (1.61%) AppDynamics
16 25 (1.55%) Informatica
17 24 (1.49%) SAP
18 22 (1.36%) Cadence
18 22 (1.36%) IBM
19 20 (1.24%) Citrix