Period
to 28 October 2021

The following table provides summary statistics for permanent job vacancies 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 28 October 2021 with a comparison to the same period in the previous 2 years.

Unix
UK
6 months to
28 Oct 2021
Same period 2020 Same period 2019
Rank 185 140 111
Rank change year-on-year -45 -29 -15
Permanent jobs citing Unix 2,513 1,145 4,092
As % of all permanent jobs advertised in the UK 1.98% 2.31% 2.99%
As % of the Operating Systems category 11.40% 10.77% 13.03%
Number of salaries quoted 1,419 856 2,822
10th Percentile £37,500 £35,375 £32,250
25th Percentile £47,500 £45,000 £41,000
Median annual salary (50th Percentile) £60,000 £60,000 £55,000
Median % change year-on-year - +9.09% -
75th Percentile £78,750 £75,000 £76,250
90th Percentile £92,500 £85,625 £90,000
UK excluding London median annual salary £51,000 £50,000 £47,500
% change year-on-year +2.00% +5.26% -3.14%

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 with a requirement for operating system skills.

All Operating Systems
UK
Permanent vacancies with a requirement for operating system skills 22,047 10,630 31,411
As % of all permanent IT jobs advertised in the UK 17.34% 21.42% 22.92%
Number of salaries quoted 15,624 8,918 25,309
10th Percentile £26,250 £28,500 £25,000
25th Percentile £35,000 £36,525 £32,000
Median annual salary (50th Percentile) £50,000 £50,000 £45,000
Median % change year-on-year - +11.11% -5.26%
75th Percentile £68,750 £66,250 £63,750
90th Percentile £85,000 £80,000 £80,000
UK excluding London median annual salary £45,000 £45,000 £41,000
% change year-on-year - +9.76% -

Unix
Job Vacancy Trend

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

Job vacancy trend for Unix in the UK

Unix
Salary Trend

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

Salary trend for Unix in the UK

Unix
Salary Histogram

Salary distribution for jobs citing Unix over the 6 months to 28 October 2021.

Salary histogram for Unix in the UK

Unix
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the UK over the 6 months to 28 October 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
England -37 2,274 £62,500 - 462
London -40 1,188 £70,000 - 232
UK excluding London -30 1,182 £51,000 +2.00% 252
South East +46 512 £55,000 +7.32% 48
Work from Home -66 408 £58,250 +1.30% 73
North of England -48 193 £50,000 +11.11% 80
Midlands -82 188 £52,500 - 52
West Midlands -71 114 £55,000 - 37
North West -60 112 £52,000 +15.56% 47
South West -73 105 £45,750 -12.86% 26
Scotland -60 83 £57,500 +30.68% 23
East Midlands -55 74 £51,000 +7.37% 13
East of England -55 68 £55,000 +10.00% 20
Yorkshire -53 60 £45,172 -3.89% 24
Northern Ireland -31 22 £40,000 -23.81% 2
North East -17 21 £51,422 +25.42% 9
Wales -46 15 £40,000 -8.05% 2

For the 6 months to 28 October 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 with a requirement for Unix.

1 1,744 (69.40%) Linux
2 1,092 (43.45%) Python
3 998 (39.71%) AWS
4 990 (39.40%) Java
5 974 (38.76%) Finance
6 963 (38.32%) Agile Software Development
7 767 (30.52%) DevOps
8 726 (28.89%) SQL
9 690 (27.46%) Software Engineering
10 647 (25.75%) Azure
11 639 (25.43%) Ansible
12 626 (24.91%) Oracle
13 597 (23.76%) Jenkins
14 589 (23.44%) Windows
14 589 (23.44%) Degree
15 547 (21.77%) Git (software)
16 522 (20.77%) Shell Script
16 522 (20.77%) Social Skills
17 515 (20.49%) Computer Science
18 488 (19.42%) Docker
19 486 (19.34%) Microservices
19 486 (19.34%) Spring
20 477 (18.98%) Banking
21 473 (18.82%) Relational Database
22 462 (18.38%) PostgreSQL
23 448 (17.83%) Problem-Solving
24 446 (17.75%) Scrum
25 416 (16.55%) VMware
26 390 (15.52%) Kafka
27 385 (15.32%) JavaScript

Unix
Co-occurring IT Skills 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
1 328 (13.05%) Apache Spark
2 244 (9.71%) Apache
3 179 (7.12%) GemFire
4 85 (3.38%) WebLogic
5 80 (3.18%) Tomcat
6 64 (2.55%) Elasticsearch
7 62 (2.47%) Confluence
8 54 (2.15%) Cloud Foundry
9 50 (1.99%) SAS
10 41 (1.63%) JBoss
11 29 (1.15%) Jupyter
11 29 (1.15%) Oracle SOA Suite
12 26 (1.03%) Oracle Service Bus
13 24 (0.96%) Tornado
14 22 (0.88%) OpenStack
15 21 (0.84%) nginx
15 21 (0.84%) WebSphere
16 19 (0.76%) Apache Airflow
17 18 (0.72%) IIS
18 16 (0.64%) SharePoint
Applications
1 38 (1.51%) Microsoft Office
2 18 (0.72%) Microsoft Excel
3 15 (0.60%) MS Visio
4 14 (0.56%) Adobe Illustrator
4 14 (0.56%) GIMP
4 14 (0.56%) Photoshop
5 12 (0.48%) Microsoft Project
6 9 (0.36%) Microsoft PowerPoint
7 4 (0.16%) EngageOne
8 3 (0.12%) Oracle Smart View
9 2 (0.080%) Chatbot
10 1 (0.040%) Adobe After Effects
10 1 (0.040%) Adobe XD
10 1 (0.040%) Figma
10 1 (0.040%) ImageReady
10 1 (0.040%) PTC Creo
10 1 (0.040%) Sketch
10 1 (0.040%) Spreadsheet
Business Applications
1 23 (0.92%) Oracle Applications
2 8 (0.32%) Dynamics CRM
3 5 (0.20%) Oracle EBS
3 5 (0.20%) Oracle EBS R12
3 5 (0.20%) Remedy ITSM
3 5 (0.20%) SAP S/4HANA
4 4 (0.16%) Staffware
5 3 (0.12%) Eikon
5 3 (0.12%) Maximo
5 3 (0.12%) Oracle BPM
5 3 (0.12%) Oracle Cash Management
5 3 (0.12%) Oracle ERP
5 3 (0.12%) Oracle Payables
5 3 (0.12%) Oracle Receivables
5 3 (0.12%) Temenos Globus
5 3 (0.12%) Temenos T24
6 2 (0.080%) Magento
6 2 (0.080%) Oracle General Ledger
6 2 (0.080%) Oracle Procure-to-Pay
6 2 (0.080%) PeopleSoft HCM
Cloud Services
1 998 (39.71%) AWS
2 647 (25.75%) Azure
3 366 (14.56%) GitHub
4 318 (12.65%) GCP
5 195 (7.76%) Amazon Kinesis
6 185 (7.36%) SaaS
7 156 (6.21%) PaaS
8 151 (6.01%) Serverless
9 131 (5.21%) OpenShift
10 128 (5.09%) IaaS
11 120 (4.78%) Amazon EC2
12 115 (4.58%) AWS CloudFormation
13 91 (3.62%) Cloud Computing
14 84 (3.34%) Amazon S3
15 76 (3.02%) AWS Lambda
16 58 (2.31%) Microsoft 365
17 40 (1.59%) Amazon SQS
18 38 (1.51%) GitHub Actions
19 36 (1.43%) Amazon EKS
20 32 (1.27%) Virtual Private Cloud
Communications & Networking
1 181 (7.20%) Firewall
2 128 (5.09%) DNS
2 128 (5.09%) TCP/IP
3 82 (3.26%) Internet
4 78 (3.10%) HTTP
5 65 (2.59%) VPN
6 58 (2.31%) SAN
7 51 (2.03%) Network Security
8 42 (1.67%) WAN
9 39 (1.55%) LAN
10 35 (1.39%) IPv4
11 29 (1.15%) DHCP
12 27 (1.07%) SSL
13 25 (0.99%) F5 BIG-IP GTM
13 25 (0.99%) F5 BIG-IP LTM
14 24 (0.96%) VLAN
15 23 (0.92%) SSH
16 22 (0.88%) Cisco ASA
17 21 (0.84%) Broadband
18 18 (0.72%) SMTP
Database & Business Intelligence
1 473 (18.82%) Relational Database
2 462 (18.38%) PostgreSQL
3 315 (12.53%) NoSQL
4 260 (10.35%) MySQL
5 254 (10.11%) Redis
6 244 (9.71%) HBase
7 236 (9.39%) MariaDB
8 228 (9.07%) Big Data
9 223 (8.87%) SQL Server
10 180 (7.16%) Oracle Database
11 178 (7.08%) Hadoop
12 143 (5.69%) MongoDB
13 116 (4.62%) RDBMS
14 79 (3.14%) Data Warehouse
15 74 (2.94%) DB2
16 69 (2.75%) Amazon DynamoDB
17 68 (2.71%) Amazon RDS
18 49 (1.95%) Apache Hive
19 44 (1.75%) Amazon Aurora
20 43 (1.71%) Amazon Redshift
Development Applications
1 597 (23.76%) Jenkins
2 547 (21.77%) Git (software)
3 239 (9.51%) IntelliJ
4 233 (9.27%) JIRA
5 228 (9.07%) Eclipse
6 225 (8.95%) Gradle
7 211 (8.40%) Cucumber
8 206 (8.20%) JUnit
9 202 (8.04%) Sonatype Nexus
10 187 (7.44%) Storybook
11 185 (7.36%) Cypress.io
12 180 (7.16%) Mockito
13 178 (7.08%) Protractor
14 149 (5.93%) GitLab
15 124 (4.93%) Artifactory
16 93 (3.70%) SonarQube
17 68 (2.71%) Maven
18 65 (2.59%) Subversion
19 62 (2.47%) Bitbucket
20 55 (2.19%) Atlassian Bamboo
General
1 974 (38.76%) Finance
2 522 (20.77%) Social Skills
3 477 (18.98%) Banking
4 318 (12.65%) Analytical Skills
5 307 (12.22%) Inclusion and Diversity
6 274 (10.90%) Law
7 106 (4.22%) Games
7 106 (4.22%) Investment Banking
8 97 (3.86%) Front Office
9 92 (3.66%) Presentation Skills
10 76 (3.02%) Public Sector
11 71 (2.83%) Legal
12 66 (2.63%) Marketing
13 61 (2.43%) Telecoms
14 58 (2.31%) Retail
15 54 (2.15%) Back Office
16 36 (1.43%) Electronics
17 32 (1.27%) Online Betting
18 29 (1.15%) Financial Institution
19 28 (1.11%) Manufacturing
Job Titles
1 591 (23.52%) Developer
2 390 (15.52%) Software Engineer
3 218 (8.67%) Analyst
4 203 (8.08%) DevOps Engineer
5 171 (6.80%) Java Developer
6 144 (5.73%) Software Developer
7 122 (4.85%) Senior Software Engineer
8 119 (4.74%) Applications Support
9 110 (4.38%) Principal Engineer
10 109 (4.34%) Principal Software Engineer
11 105 (4.18%) Linux Engineer
12 104 (4.14%) Senior Developer
13 101 (4.02%) Administrator
14 98 (3.90%) Architect
15 95 (3.78%) Support Analyst
16 93 (3.70%) Platform Engineer
17 88 (3.50%) Lead Developer
18 68 (2.71%) Data Engineer
18 68 (2.71%) DBA
19 67 (2.67%) Lead Software Developer
Libraries, Frameworks & Software Standards
1 486 (19.34%) Spring
2 390 (15.52%) Kafka
3 377 (15.00%) React
4 330 (13.13%) AngularJS
5 329 (13.09%) RESTful
6 304 (12.10%) Node.js
7 270 (10.74%) CSS
8 250 (9.95%) Web Services
9 245 (9.75%) REST
10 243 (9.67%) JSON
11 242 (9.63%) RabbitMQ
12 209 (8.32%) Redux
13 196 (7.80%) Play Framework
14 193 (7.68%) Express
15 183 (7.28%) Twitter Bootstrap
16 182 (7.24%) Spark Streaming
17 179 (7.12%) Tailwind CSS
18 172 (6.84%) WireMock
19 169 (6.73%) Spring Boot
20 145 (5.77%) LAPP Stack
Miscellaneous
1 274 (10.90%) Linux Command Line
2 209 (8.32%) User Experience
3 156 (6.21%) Self-Motivation
4 144 (5.73%) Management Information System
5 141 (5.61%) Public Cloud
6 124 (4.93%) Algorithms
7 105 (4.18%) Derivative
8 95 (3.78%) Cloud Native
9 91 (3.62%) Data Centre
9 91 (3.62%) Virtual Team
10 83 (3.30%) Data Structures
11 82 (3.26%) Equities
12 55 (2.19%) Enterprise Software
13 51 (2.03%) Foreign Exchange (FX)
14 49 (1.95%) Greenfield Project
15 48 (1.91%) Fixed Income
16 47 (1.87%) Clustering
17 40 (1.59%) Life Science
18 36 (1.43%) Blog
19 35 (1.39%) Client/Server
Operating Systems
1 1,744 (69.40%) Linux
2 589 (23.44%) Windows
3 170 (6.76%) Windows Server
4 112 (4.46%) Solaris
5 100 (3.98%) Red Hat Enterprise Linux
6 68 (2.71%) CentOS
7 54 (2.15%) AIX
8 39 (1.55%) Mac OS
9 30 (1.19%) Android
9 30 (1.19%) Ubuntu
10 29 (1.15%) Apple iOS
11 26 (1.03%) Windows 10
12 20 (0.80%) Windows Server 2008
13 16 (0.64%) HPUX
13 16 (0.64%) Oracle Linux
14 14 (0.56%) Windows Server 2016
15 13 (0.52%) CoreOS
16 11 (0.44%) Embedded Linux
16 11 (0.44%) Windows 7
16 11 (0.44%) zOS
Processes & Methodologies
1 963 (38.32%) Agile Software Development
2 767 (30.52%) DevOps
3 690 (27.46%) Software Engineering
4 515 (20.49%) Computer Science
5 486 (19.34%) Microservices
6 448 (17.83%) Problem-Solving
7 446 (17.75%) Scrum
8 356 (14.17%) TDD
9 326 (12.97%) Full Stack Development
10 307 (12.22%) Continuous Integration
11 286 (11.38%) Software Testing
12 281 (11.18%) OO
13 249 (9.91%) Test Automation
14 245 (9.75%) Open Source
15 241 (9.59%) Digital Banking
16 222 (8.83%) ITIL
17 219 (8.71%) Multithreading
18 215 (8.56%) Site Reliability Engineering
19 206 (8.20%) Analytics
20 203 (8.08%) High Availability
Programming Languages
1 1,092 (43.45%) Python
2 990 (39.40%) Java
3 726 (28.89%) SQL
4 522 (20.77%) Shell Script
5 385 (15.32%) JavaScript
6 364 (14.48%) Bash Shell
7 258 (10.27%) Perl
8 255 (10.15%) C++
9 226 (8.99%) PowerShell
10 212 (8.44%) Groovy
11 210 (8.36%) C
12 195 (7.76%) C#
13 164 (6.53%) PL/SQL
14 117 (4.66%) Ruby
15 93 (3.70%) PHP
16 85 (3.38%) Go
17 81 (3.22%) Scala
18 73 (2.90%) TypeScript
19 64 (2.55%) R
20 50 (1.99%) Java 8
Qualifications
1 589 (23.44%) Degree
2 186 (7.40%) Oracle Certification
3 177 (7.04%) OCP
4 173 (6.88%) Security Cleared
5 133 (5.29%) Computer Science Degree
6 114 (4.54%) SC Cleared
7 47 (1.87%) Cisco Certification
8 34 (1.35%) Microsoft Certification
9 33 (1.31%) CISSP
10 30 (1.19%) CCNA
10 30 (1.19%) GIAC
11 29 (1.15%) RHCE
12 25 (0.99%) CCNP
13 23 (0.92%) RHCSA
14 21 (0.84%) CEH
15 20 (0.80%) OSCP
16 17 (0.68%) AWS Certification
16 17 (0.68%) Master's Degree
16 17 (0.68%) MCSA
17 16 (0.64%) MCSE
Quality Assurance & Compliance
1 157 (6.25%) QA
2 78 (3.10%) SLA
3 45 (1.79%) ISO/IEC 27001
4 34 (1.35%) MiFID
5 26 (1.03%) PCI DSS
6 25 (0.99%) GDPR
7 21 (0.84%) EMIR
8 20 (0.80%) COBIT
9 15 (0.60%) Accessibility
9 15 (0.60%) NIST
10 14 (0.56%) Data Quality
11 11 (0.44%) HL7
11 11 (0.44%) ISO/IEC 20000
12 8 (0.32%) ISO 20022
13 6 (0.24%) Cyber Essentials
13 6 (0.24%) ISO 15022
14 4 (0.16%) GLBA
14 4 (0.16%) Sarbanes-Oxley
15 3 (0.12%) GRC
16 2 (0.080%) PMO
System Software
1 488 (19.42%) Docker
2 258 (10.27%) VMware Infrastructure
3 207 (8.24%) HDFS
4 96 (3.82%) Active Directory
5 37 (1.47%) Hyper-V
6 31 (1.23%) VMware ESXi
7 27 (1.07%) vSphere
8 24 (0.96%) Virtual Machines
8 24 (0.96%) Virtual Servers
9 19 (0.76%) Oracle RAC
10 15 (0.60%) Apache ZooKeeper
10 15 (0.60%) NFS
11 7 (0.28%) Firmware
12 5 (0.20%) Microsoft App-V
12 5 (0.20%) Xen
13 4 (0.16%) Virtual Desktop
13 4 (0.16%) XenApp
14 3 (0.12%) Apache Flume
14 3 (0.12%) iptables
15 2 (0.080%) BitLocker
Systems Management
1 639 (25.43%) Ansible
2 365 (14.52%) Kubernetes
3 324 (12.89%) Terraform
4 241 (9.59%) Puppet
5 205 (8.16%) Opscode Chef
6 57 (2.27%) Prometheus
7 44 (1.75%) Grafana
8 36 (1.43%) CFEngine
9 33 (1.31%) Nagios
10 24 (0.96%) Salt
11 23 (0.92%) SCCM
12 22 (0.88%) Oracle RMAN
13 21 (0.84%) Data Guard
14 15 (0.60%) Single Sign-On
15 14 (0.56%) Istio
15 14 (0.56%) Kibana
16 13 (0.52%) logstash
17 10 (0.40%) Docker Swarm
17 10 (0.40%) HAProxy
17 10 (0.40%) HP ALM
Vendors
1 626 (24.91%) Oracle
2 416 (16.55%) VMware
3 271 (10.78%) Microsoft
4 214 (8.52%) Red Hat
5 178 (7.08%) Okta
6 143 (5.69%) Google
7 120 (4.78%) Cisco
8 108 (4.30%) IBM
9 83 (3.30%) Sybase
10 73 (2.90%) ServiceNow
11 60 (2.39%) HP
12 59 (2.35%) Splunk
13 57 (2.27%) Informatica
14 45 (1.79%) Talend
15 40 (1.59%) NetApp
16 39 (1.55%) Atlassian
16 39 (1.55%) Citrix
17 38 (1.51%) SAP
18 34 (1.35%) Bloomberg
19 33 (1.31%) Dell