Period
to 5 December 2021

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 5 December 2021 with a comparison to the same period in the previous 2 years.

Unix
England > London
6 months to
5 Dec 2021
Same period 2020 Same period 2019
Rank 160 130 107
Rank change year-on-year -30 -23 -22
Permanent jobs citing Unix 1,162 590 1,620
As % of all permanent jobs advertised in London 2.28% 2.67% 2.98%
As % of the Operating Systems category 14.43% 14.30% 13.84%
Number of salaries quoted 750 472 1,208
10th Percentile £47,500 £48,300 £42,500
25th Percentile £57,500 £59,938 £52,500
Median annual salary (50th Percentile) £70,000 £70,000 £72,500
Median % change year-on-year - -3.45% +7.41%
75th Percentile £87,500 £82,500 £87,500
90th Percentile £102,500 £95,000 £107,500
England median annual salary £62,500 £62,500 £56,798
% change year-on-year - +10.04% -1.22%

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 8,050 4,125 11,707
As % of all permanent IT jobs advertised in London 15.83% 18.70% 21.53%
Number of salaries quoted 5,773 3,492 9,655
10th Percentile £32,000 £35,846 £28,500
25th Percentile £45,000 £46,250 £37,500
Median annual salary (50th Percentile) £65,000 £65,000 £57,500
Median % change year-on-year - +13.04% -1.71%
75th Percentile £82,500 £80,000 £77,500
90th Percentile £100,000 £95,000 £92,500
England median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -5.26%

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Salary Trend in London

3-month moving average salary quoted in jobs citing Unix in London.

Salary trend for Unix in London

Unix
Salary Histogram in London

Salary distribution for jobs citing Unix in London over the 6 months to 5 December 2021.

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 5 December 2021. 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 -14 167 £70,000 - 70
West London -37 52 £60,000 +21.21% 11
South London +6 41 £57,500 -13.21% 2
East London -24 10 £75,000 -1.64% 10
Unix
England

For the 6 months to 5 December 2021, 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.

1 691 (59.47%) Linux
2 542 (46.64%) Python
3 515 (44.32%) Finance
4 447 (38.47%) AWS
5 412 (35.46%) Java
6 406 (34.94%) Agile Software Development
7 399 (34.34%) SQL
8 323 (27.80%) Oracle
9 303 (26.08%) DevOps
10 291 (25.04%) Azure
11 267 (22.98%) Docker
12 260 (22.38%) Windows
13 245 (21.08%) Social Skills
14 244 (21.00%) Software Engineering
15 218 (18.76%) Problem-Solving
16 213 (18.33%) JavaScript
17 198 (17.04%) Kubernetes
18 195 (16.78%) Ansible
19 193 (16.61%) Bash Shell
20 189 (16.27%) Jenkins
21 182 (15.66%) Banking
22 179 (15.40%) Shell Script
23 172 (14.80%) Scrum
24 161 (13.86%) Terraform
25 160 (13.77%) Degree
26 157 (13.51%) GCP
27 156 (13.43%) Git (software)
28 151 (12.99%) PostgreSQL
29 144 (12.39%) Relational Database
30 142 (12.22%) TDD

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 88 (7.57%) Apache Spark
2 42 (3.61%) Tomcat
3 36 (3.10%) SAS
4 32 (2.75%) Apache
5 27 (2.32%) Confluence
6 22 (1.89%) Apache Airflow
7 21 (1.81%) Elasticsearch
7 21 (1.81%) WebLogic
8 16 (1.38%) Oracle Workflow
9 15 (1.29%) IIS
10 13 (1.12%) Jupyter
10 13 (1.12%) Tornado
11 11 (0.95%) Oracle SOA Suite
12 10 (0.86%) nginx
13 8 (0.69%) OpenStack
14 6 (0.52%) JBoss
14 6 (0.52%) SharePoint
14 6 (0.52%) WebSphere
15 5 (0.43%) Appian
16 4 (0.34%) CMS
Applications
1 12 (1.03%) Microsoft Office
2 10 (0.86%) Adobe Illustrator
2 10 (0.86%) GIMP
2 10 (0.86%) Photoshop
3 7 (0.60%) MS Visio
4 5 (0.43%) Microsoft Excel
5 4 (0.34%) Microsoft PowerPoint
6 1 (0.086%) ImageReady
Business Applications
1 24 (2.07%) Oracle Applications
2 7 (0.60%) Dynamics CRM
3 6 (0.52%) Remedy ITSM
4 4 (0.34%) PeopleSoft HCM
5 3 (0.26%) Eikon
6 2 (0.17%) Oracle EBS
6 2 (0.17%) Oracle EBS R12
6 2 (0.17%) Refinitiv Enterprise Platform
6 2 (0.17%) Temenos Globus
6 2 (0.17%) Temenos T24
7 1 (0.086%) Bloomberg TOMS
7 1 (0.086%) Distributed Ledger
7 1 (0.086%) Minerva
7 1 (0.086%) Oracle Financials
7 1 (0.086%) Oracle General Ledger
7 1 (0.086%) Oracle Procure-to-Pay
7 1 (0.086%) R3 Corda
7 1 (0.086%) Salerio
7 1 (0.086%) Sentinel
7 1 (0.086%) Summit
Cloud Services
1 447 (38.47%) AWS
2 291 (25.04%) Azure
3 157 (13.51%) GCP
4 125 (10.76%) GitHub
5 88 (7.57%) SaaS
6 77 (6.63%) Serverless
7 68 (5.85%) AWS CloudFormation
8 66 (5.68%) Amazon S3
9 65 (5.59%) PaaS
10 54 (4.65%) Amazon EC2
11 50 (4.30%) IaaS
12 48 (4.13%) AWS Lambda
13 43 (3.70%) Microsoft 365
14 35 (3.01%) Virtual Private Cloud
15 33 (2.84%) Cloud Computing
16 30 (2.58%) OpenShift
17 28 (2.41%) GitHub Actions
18 26 (2.24%) Amazon EKS
18 26 (2.24%) Amazon Kinesis
19 24 (2.07%) Heroku
Communications & Networking
1 100 (8.61%) Firewall
2 69 (5.94%) TCP/IP
3 47 (4.04%) VPN
4 46 (3.96%) DNS
5 24 (2.07%) F5 BIG-IP GTM
5 24 (2.07%) F5 BIG-IP LTM
6 23 (1.98%) Internet
6 23 (1.98%) Network Security
7 22 (1.89%) Cisco ASA
8 19 (1.64%) SAN
8 19 (1.64%) WAN
9 16 (1.38%) HTTP
10 15 (1.29%) LAN
11 13 (1.12%) DHCP
12 12 (1.03%) BIG-IP
12 12 (1.03%) SSH
13 10 (0.86%) FIX Connectivity
14 9 (0.77%) Broadband
14 9 (0.77%) Wireshark
15 8 (0.69%) tcpdump
Database & Business Intelligence
1 151 (12.99%) PostgreSQL
2 144 (12.39%) Relational Database
3 102 (8.78%) NoSQL
4 100 (8.61%) SQL Server
5 96 (8.26%) Hadoop
6 93 (8.00%) Oracle Database
7 86 (7.40%) MySQL
8 84 (7.23%) MongoDB
9 68 (5.85%) RDBMS
10 62 (5.34%) Redis
11 50 (4.30%) Data Warehouse
12 49 (4.22%) Big Data
13 40 (3.44%) Amazon Redshift
13 40 (3.44%) DB2
14 39 (3.36%) Apache Hive
15 37 (3.18%) Amazon RDS
16 33 (2.84%) Oracle Database 11g
17 25 (2.15%) Pentaho
18 24 (2.07%) Impala
18 24 (2.07%) Power BI
Development Applications
1 189 (16.27%) Jenkins
2 156 (13.43%) Git (software)
3 127 (10.93%) JIRA
4 66 (5.68%) GitLab
5 50 (4.30%) Maven
6 48 (4.13%) IntelliJ
7 39 (3.36%) Eclipse
7 39 (3.36%) Gradle
8 29 (2.50%) Bitbucket
9 28 (2.41%) RSpec
10 25 (2.15%) Atlassian Bamboo
11 23 (1.98%) Bitbucket Server
12 22 (1.89%) Capybara
12 22 (1.89%) Pivotal Tracker
13 21 (1.81%) Subversion
14 20 (1.72%) Oracle APEX
15 18 (1.55%) JMeter
15 18 (1.55%) TeamCity
16 17 (1.46%) Cucumber
17 16 (1.38%) Sonatype Nexus
General
1 515 (44.32%) Finance
2 245 (21.08%) Social Skills
3 182 (15.66%) Banking
4 126 (10.84%) Analytical Skills
5 89 (7.66%) Investment Banking
6 80 (6.88%) Front Office
7 59 (5.08%) Games
8 47 (4.04%) Public Sector
9 40 (3.44%) Marketing
10 38 (3.27%) Back Office
11 35 (3.01%) Legal
12 28 (2.41%) Financial Institution
13 27 (2.32%) Retail
14 26 (2.24%) Telecoms
15 24 (2.07%) Inclusion and Diversity
16 22 (1.89%) Electronics
17 18 (1.55%) Documentation Skills
17 18 (1.55%) Manufacturing
17 18 (1.55%) Online Betting
18 16 (1.38%) Presentation Skills
Job Titles
1 253 (21.77%) Developer
2 105 (9.04%) Analyst
3 97 (8.35%) DevOps Engineer
4 96 (8.26%) Software Engineer
5 85 (7.31%) Java Developer
6 84 (7.23%) Applications Support
7 80 (6.88%) Senior Developer
8 59 (5.08%) Support Analyst
9 58 (4.99%) Data Engineer
10 49 (4.22%) Administrator
11 40 (3.44%) Platform Engineer
12 39 (3.36%) Applications Support Analyst
12 39 (3.36%) Linux Engineer
12 39 (3.36%) Senior Java Developer
12 39 (3.36%) Support Engineer
13 36 (3.10%) Architect
13 36 (3.10%) Unix Administrator
14 35 (3.01%) Senior DevOps
14 35 (3.01%) Senior DevOps Engineer
15 34 (2.93%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 138 (11.88%) Spring
2 125 (10.76%) React
3 119 (10.24%) Kafka
4 87 (7.49%) REST
5 75 (6.45%) AngularJS
6 74 (6.37%) RESTful
7 72 (6.20%) FIX Protocol
8 68 (5.85%) XML
9 66 (5.68%) Web Services
10 63 (5.42%) Spring Boot
11 54 (4.65%) Vue.js
12 52 (4.48%) Middleware
13 50 (4.30%) Node.js
14 44 (3.79%) HTML
15 40 (3.44%) CSS
16 39 (3.36%) JSON
17 36 (3.10%) .NET
18 34 (2.93%) Ruby on Rails
19 25 (2.15%) Murex MxML
19 25 (2.15%) RabbitMQ
Miscellaneous
1 76 (6.54%) Equities
2 72 (6.20%) Algorithms
3 68 (5.85%) Derivative
4 65 (5.59%) Management Information System
5 62 (5.34%) Data Structures
6 58 (4.99%) Linux Command Line
7 54 (4.65%) Cloud Native
8 49 (4.22%) User Experience
9 46 (3.96%) Self-Motivation
10 43 (3.70%) Foreign Exchange (FX)
11 38 (3.27%) Public Cloud
12 36 (3.10%) Fixed Income
13 28 (2.41%) Data Centre
13 28 (2.41%) Virtual Team
14 27 (2.32%) Hedge funds
15 25 (2.15%) Cyberthreat
16 23 (1.98%) Greenfield Project
17 22 (1.89%) Blog
18 21 (1.81%) Enterprise Software
19 20 (1.72%) Clustering
Operating Systems
1 691 (59.47%) Linux
2 260 (22.38%) Windows
3 82 (7.06%) Windows Server
4 46 (3.96%) Red Hat Enterprise Linux
5 27 (2.32%) CentOS
6 21 (1.81%) Solaris
7 15 (1.29%) Mac OS
8 11 (0.95%) Ubuntu
9 10 (0.86%) Android
10 9 (0.77%) SUSE Linux Enterprise Server
11 8 (0.69%) Windows Server 2016
12 7 (0.60%) Mac OS X
13 6 (0.52%) Embedded Linux
13 6 (0.52%) Oracle Linux
14 5 (0.43%) Apple iOS
14 5 (0.43%) Windows Server 2008
15 4 (0.34%) Windows Server 2012
16 3 (0.26%) Windows 10
17 2 (0.17%) Robot Operating System
17 2 (0.17%) Windows Server 2019
Processes & Methodologies
1 406 (34.94%) Agile Software Development
2 303 (26.08%) DevOps
3 244 (21.00%) Software Engineering
4 218 (18.76%) Problem-Solving
5 172 (14.80%) Scrum
6 142 (12.22%) TDD
7 140 (12.05%) Analytics
8 132 (11.36%) Microservices
9 127 (10.93%) ITIL
10 122 (10.50%) Computer Science
11 119 (10.24%) Full Stack Development
12 112 (9.64%) Data Science
12 112 (9.64%) Test Automation
13 111 (9.55%) Configuration Management
14 107 (9.21%) Continuous Integration
15 97 (8.35%) SDLC
16 96 (8.26%) Risk Management
17 89 (7.66%) Infrastructure as Code
18 86 (7.40%) Data Modelling
19 84 (7.23%) Fintech
Programming Languages
1 542 (46.64%) Python
2 412 (35.46%) Java
3 399 (34.34%) SQL
4 213 (18.33%) JavaScript
5 193 (16.61%) Bash Shell
6 179 (15.40%) Shell Script
7 122 (10.50%) Perl
8 106 (9.12%) PowerShell
9 90 (7.75%) Ruby
10 85 (7.31%) C++
11 70 (6.02%) C#
12 66 (5.68%) Scala
13 65 (5.59%) C
14 61 (5.25%) PL/SQL
15 43 (3.70%) TypeScript
16 41 (3.53%) Go
17 38 (3.27%) R
18 33 (2.84%) Groovy
19 25 (2.15%) Java 8
20 23 (1.98%) Kotlin
Qualifications
1 160 (13.77%) Degree
2 59 (5.08%) Computer Science Degree
3 48 (4.13%) Security Cleared
4 33 (2.84%) SC Cleared
5 20 (1.72%) CISSP
6 17 (1.46%) Cisco Certification
6 17 (1.46%) Microsoft Certification
7 16 (1.38%) RHCSA
8 12 (1.03%) SAS Certification
9 11 (0.95%) AWS Certification
9 11 (0.95%) CEH
9 11 (0.95%) MCSE
9 11 (0.95%) OSCP
9 11 (0.95%) RHCE
10 10 (0.86%) CCNP
11 9 (0.77%) CCNA
11 9 (0.77%) ITIL Certification
11 9 (0.77%) MCSA
11 9 (0.77%) PMP
12 8 (0.69%) GIAC
Quality Assurance & Compliance
1 70 (6.02%) QA
2 28 (2.41%) ISO/IEC 27001
3 20 (1.72%) COBIT
3 20 (1.72%) MiFID
3 20 (1.72%) PCI DSS
3 20 (1.72%) SLA
4 13 (1.12%) Data Quality
4 13 (1.12%) EMIR
5 7 (0.60%) NIST
6 6 (0.52%) ISO 15022
6 6 (0.52%) ISO 20022
7 4 (0.34%) GDPR
8 3 (0.26%) Accessibility
8 3 (0.26%) GLBA
8 3 (0.26%) Sarbanes-Oxley
9 2 (0.17%) HL7
10 1 (0.086%) DICOM
10 1 (0.086%) ISO 9000
10 1 (0.086%) WAI
10 1 (0.086%) WCAG
System Software
1 267 (22.98%) Docker
2 38 (3.27%) Active Directory
3 31 (2.67%) VMware Infrastructure
4 22 (1.89%) HDFS
5 20 (1.72%) Virtual Servers
6 18 (1.55%) Hyper-V
7 11 (0.95%) Apache ZooKeeper
7 11 (0.95%) VMware ESXi
8 7 (0.60%) Microsoft App-V
8 7 (0.60%) XenApp
9 6 (0.52%) Virtual Desktop
10 5 (0.43%) Virtual Machines
11 4 (0.34%) iptables
11 4 (0.34%) NFS
12 3 (0.26%) Oracle RAC
12 3 (0.26%) vSphere
12 3 (0.26%) Xen
13 2 (0.17%) Apache Flume
13 2 (0.17%) Samba
13 2 (0.17%) vCloud
Systems Management
1 198 (17.04%) Kubernetes
2 195 (16.78%) Ansible
3 161 (13.86%) Terraform
4 116 (9.98%) Puppet
5 57 (4.91%) Opscode Chef
6 49 (4.22%) Prometheus
7 36 (3.10%) Grafana
8 34 (2.93%) Nagios
9 17 (1.46%) Single Sign-On
10 13 (1.12%) Kibana
10 13 (1.12%) logstash
11 12 (1.03%) Salt
11 12 (1.03%) SCCM
12 11 (0.95%) Data Guard
13 9 (0.77%) Oracle Enterprise Manager
13 9 (0.77%) Oracle RMAN
14 8 (0.69%) CFEngine
15 7 (0.60%) Control-M
16 6 (0.52%) EdgeSight
16 6 (0.52%) Hadoop YARN
Vendors
1 323 (27.80%) Oracle
2 107 (9.21%) Microsoft
3 101 (8.69%) Google
4 79 (6.80%) VMware
5 68 (5.85%) Red Hat
5 68 (5.85%) ServiceNow
6 65 (5.59%) Cisco
7 62 (5.34%) Sybase
8 37 (3.18%) Splunk
9 33 (2.84%) Bloomberg
10 32 (2.75%) F5
11 31 (2.67%) Informatica
12 30 (2.58%) IBM
13 29 (2.50%) HP
14 28 (2.41%) Murex
15 27 (2.32%) CheckPoint
16 25 (2.15%) Talend
17 24 (2.07%) NetApp
18 23 (1.98%) Dell
18 23 (1.98%) LexisNexis