Period
to 23 July 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 23 July 2021 with a comparison to the same period in the previous 2 years.

Unix
UK
6 months to
23 Jul 2021
Same period 2020 Same period 2019
Rank 165 144 97
Rank change year-on-year -21 -47 -5
Permanent jobs citing Unix 2,325 1,684 4,736
As % of all permanent jobs advertised in the UK 2.06% 2.36% 3.27%
As % of the Operating Systems category 11.24% 11.15% 14.30%
Number of salaries quoted 1,393 1,281 3,334
10th Percentile £35,000 £36,250 £31,500
25th Percentile £45,000 £45,000 £40,000
Median annual salary (50th Percentile) £60,000 £60,000 £55,000
Median % change year-on-year - +9.09% -
75th Percentile £77,500 £75,000 £75,000
90th Percentile £90,000 £90,000 £87,500
UK excluding London median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -4.26%

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 20,683 15,098 33,112
As % of all permanent IT jobs advertised in the UK 18.30% 21.14% 22.88%
Number of salaries quoted 15,102 12,451 26,527
10th Percentile £27,000 £27,500 £25,750
25th Percentile £36,250 £35,846 £32,500
Median annual salary (50th Percentile) £50,000 £50,000 £46,741
Median % change year-on-year - +6.97% -1.60%
75th Percentile £67,500 £66,250 £65,000
90th Percentile £85,000 £80,000 £80,000
UK excluding London median annual salary £45,000 £45,000 £41,500
% change year-on-year - +8.43% +2.47%

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 23 July 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 23 July 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 -24 2,135 £62,500 +4.17% 349
UK excluding London -15 1,140 £50,000 - 232
London -17 1,110 £72,500 +3.57% 152
South East +24 458 £50,750 -3.33% 48
Work from Home -74 353 £55,000 -11.29% 53
Midlands -45 194 £51,000 -2.86% 51
North of England -29 193 £46,500 -2.11% 48
West Midlands -57 124 £51,250 -6.82% 30
North West -8 111 £52,500 +16.67% 28
South West -74 99 £45,000 -10.00% 36
Scotland -27 89 £48,250 +7.22% 24
Yorkshire -32 71 £41,697 -24.19% 10
East Midlands -19 70 £51,000 +2.00% 21
East of England -20 68 £55,000 - 14
Northern Ireland -17 31 £37,500 +25.00% 10
North East -28 12 £45,345 +19.33% 10
Wales -32 8 £40,000 +14.29% 1

For the 6 months to 23 July 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 1,652 (71.05%) Linux
2 976 (41.98%) Python
3 854 (36.73%) Finance
4 852 (36.65%) AWS
5 847 (36.43%) Java
6 804 (34.58%) Agile Software Development
7 695 (29.89%) DevOps
8 683 (29.38%) SQL
9 610 (26.24%) Windows
10 566 (24.34%) Software Engineering
11 547 (23.53%) Azure
11 547 (23.53%) Ansible
12 545 (23.44%) Git (software)
13 513 (22.06%) Degree
14 512 (22.02%) Docker
15 498 (21.42%) Oracle
16 476 (20.47%) Social Skills
17 474 (20.39%) Jenkins
18 437 (18.80%) Relational Database
19 426 (18.32%) Banking
20 414 (17.81%) Computer Science
21 393 (16.90%) Microservices
22 382 (16.43%) Spring
23 379 (16.30%) Shell Script
24 371 (15.96%) VMware
25 365 (15.70%) PostgreSQL
26 357 (15.35%) JavaScript
27 337 (14.49%) Problem-Solving
28 330 (14.19%) Bash Shell
29 325 (13.98%) Kubernetes

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
1 269 (11.57%) Apache Spark
2 207 (8.90%) Apache
3 156 (6.71%) GemFire
4 71 (3.05%) Confluence
5 65 (2.80%) Elasticsearch
6 59 (2.54%) WebLogic
7 46 (1.98%) Cloud Foundry
8 45 (1.94%) Tomcat
9 35 (1.51%) Oracle SOA Suite
10 33 (1.42%) Tornado
11 27 (1.16%) IIS
11 27 (1.16%) OpenStack
12 25 (1.08%) WebSphere
13 23 (0.99%) JBoss
14 21 (0.90%) Oracle Service Bus
15 19 (0.82%) SAS
16 15 (0.65%) nginx
17 12 (0.52%) Apache Airflow
18 11 (0.47%) CMS
18 11 (0.47%) WebSphere Application Server
Applications
1 33 (1.42%) Microsoft Office
2 28 (1.20%) Microsoft Excel
3 17 (0.73%) Adobe Illustrator
3 17 (0.73%) GIMP
3 17 (0.73%) MS Visio
3 17 (0.73%) Photoshop
4 14 (0.60%) Microsoft PowerPoint
5 6 (0.26%) Adobe After Effects
5 6 (0.26%) Adobe XD
5 6 (0.26%) Figma
5 6 (0.26%) Sketch
6 4 (0.17%) EngageOne
7 2 (0.086%) Chatbot
7 2 (0.086%) Microsoft Project
8 1 (0.043%) Gephi
8 1 (0.043%) ImageReady
Business Applications
1 14 (0.60%) R3 Corda
2 12 (0.52%) Oracle Applications
3 10 (0.43%) NetSuite
4 9 (0.39%) Dynamics AX
5 6 (0.26%) Oracle EBS
5 6 (0.26%) Oracle EBS R12
6 5 (0.22%) Oracle 11i
6 5 (0.22%) SAP S/4HANA
7 3 (0.13%) Distributed Ledger
7 3 (0.13%) FLEXCUBE
7 3 (0.13%) Staffware
7 3 (0.13%) Temenos T24
8 2 (0.086%) assyst
8 2 (0.086%) Oracle CRM
8 2 (0.086%) SAP HCM
8 2 (0.086%) Sentinel
9 1 (0.043%) Salerio
9 1 (0.043%) SAP FI-CA
9 1 (0.043%) SAP PSCD
9 1 (0.043%) SunGard Martini
Cloud Services
1 852 (36.65%) AWS
2 547 (23.53%) Azure
3 282 (12.13%) GitHub
4 274 (11.78%) GCP
5 151 (6.49%) SaaS
6 147 (6.32%) Amazon Kinesis
7 119 (5.12%) IaaS
8 117 (5.03%) PaaS
9 116 (4.99%) AWS CloudFormation
10 85 (3.66%) Amazon EC2
10 85 (3.66%) Serverless
11 73 (3.14%) Amazon S3
11 73 (3.14%) AWS Lambda
12 65 (2.80%) OpenShift
13 51 (2.19%) Microsoft 365
14 47 (2.02%) Amazon SQS
15 44 (1.89%) Cloud Computing
16 40 (1.72%) Amazon EKS
17 33 (1.42%) Amazon ECS
18 28 (1.20%) Amazon CloudWatch
Communications & Networking
1 165 (7.10%) Firewall
2 117 (5.03%) TCP/IP
3 83 (3.57%) DNS
4 70 (3.01%) HTTP
4 70 (3.01%) VPN
5 58 (2.49%) Internet
6 53 (2.28%) SAN
7 52 (2.24%) IPv4
8 47 (2.02%) VLAN
9 38 (1.63%) NAS
10 35 (1.51%) F5 BIG-IP LTM
10 35 (1.51%) SSH
11 34 (1.46%) Network Security
11 34 (1.46%) OSPF
12 32 (1.38%) LAN
13 30 (1.29%) WAN
14 27 (1.16%) Broadband
14 27 (1.16%) SSL
15 25 (1.08%) Cisco ASA
16 22 (0.95%) Wireshark
Database & Business Intelligence
1 437 (18.80%) Relational Database
2 365 (15.70%) PostgreSQL
3 273 (11.74%) NoSQL
4 263 (11.31%) SQL Server
5 217 (9.33%) MariaDB
5 217 (9.33%) Redis
6 214 (9.20%) MySQL
7 199 (8.56%) HBase
8 179 (7.70%) Big Data
9 163 (7.01%) Oracle Database
10 138 (5.94%) MongoDB
11 126 (5.42%) Hadoop
12 111 (4.77%) RDBMS
13 71 (3.05%) DB2
14 63 (2.71%) Amazon DynamoDB
15 60 (2.58%) SQL Server Integration Services
16 57 (2.45%) Data Warehouse
17 53 (2.28%) SQL Server Reporting Services
18 41 (1.76%) Amazon RDS
19 39 (1.68%) Apache Cassandra
Development Applications
1 545 (23.44%) Git (software)
2 474 (20.39%) Jenkins
3 216 (9.29%) JIRA
4 210 (9.03%) IntelliJ
5 208 (8.95%) Eclipse
6 202 (8.69%) Gradle
7 199 (8.56%) Cucumber
8 193 (8.30%) JUnit
9 187 (8.04%) Sonatype Nexus
10 167 (7.18%) Cypress.io
11 165 (7.10%) Mockito
12 156 (6.71%) Storybook
13 155 (6.67%) Protractor
14 136 (5.85%) GitLab
15 104 (4.47%) Artifactory
16 78 (3.35%) SonarQube
17 71 (3.05%) Maven
18 67 (2.88%) Subversion
19 47 (2.02%) Bitbucket
20 45 (1.94%) Bitbucket Server
General
1 854 (36.73%) Finance
2 476 (20.47%) Social Skills
3 426 (18.32%) Banking
4 247 (10.62%) Law
5 226 (9.72%) Inclusion and Diversity
6 215 (9.25%) Analytical Skills
7 114 (4.90%) Games
8 103 (4.43%) Front Office
8 103 (4.43%) Marketing
9 87 (3.74%) Back Office
10 81 (3.48%) Investment Banking
11 77 (3.31%) Legal
12 75 (3.23%) Presentation Skills
13 72 (3.10%) Public Sector
14 70 (3.01%) Retail
15 64 (2.75%) Telecoms
16 63 (2.71%) Electronics
17 43 (1.85%) Online Betting
18 33 (1.42%) Manufacturing
19 29 (1.25%) Advertising
Job Titles
1 577 (24.82%) Developer
2 339 (14.58%) Software Engineer
3 209 (8.99%) DevOps Engineer
4 194 (8.34%) Java Developer
5 161 (6.92%) Analyst
6 131 (5.63%) Senior Developer
7 110 (4.73%) Software Developer
8 106 (4.56%) Applications Support
9 103 (4.43%) Principal Engineer
10 100 (4.30%) Linux Engineer
11 96 (4.13%) Principal Software Engineer
12 92 (3.96%) Support Analyst
13 90 (3.87%) Architect
14 88 (3.78%) Senior Software Engineer
15 86 (3.70%) Administrator
16 76 (3.27%) DBA
17 65 (2.80%) Senior DevOps
17 65 (2.80%) Senior DevOps Engineer
18 63 (2.71%) Consultant
18 63 (2.71%) Platform Engineer
Libraries, Frameworks & Software Standards
1 382 (16.43%) Spring
2 317 (13.63%) React
3 315 (13.55%) RESTful
4 313 (13.46%) Node.js
5 310 (13.33%) Kafka
6 267 (11.48%) AngularJS
7 266 (11.44%) CSS
8 262 (11.27%) Web Services
9 223 (9.59%) RabbitMQ
10 217 (9.33%) JSON
10 217 (9.33%) REST
11 186 (8.00%) Redux
12 178 (7.66%) Express
13 168 (7.23%) Twitter Bootstrap
14 162 (6.97%) Tailwind CSS
15 161 (6.92%) Play Framework
16 159 (6.84%) Spark Streaming
17 151 (6.49%) WireMock
18 128 (5.51%) Middleware
19 126 (5.42%) LAPP Stack
Miscellaneous
1 261 (11.23%) Linux Command Line
2 144 (6.19%) User Experience
3 141 (6.06%) Public Cloud
4 139 (5.98%) Derivative
5 112 (4.82%) Self-Motivation
6 94 (4.04%) Data Centre
7 91 (3.91%) Algorithms
8 85 (3.66%) Management Information System
9 61 (2.62%) Equities
10 59 (2.54%) Cloud Native
11 58 (2.49%) Fixed Income
12 57 (2.45%) Enterprise Software
13 49 (2.11%) Data Structures
14 47 (2.02%) Blog
15 43 (1.85%) Virtual Team
16 41 (1.76%) Foreign Exchange (FX)
16 41 (1.76%) Greenfield Project
17 38 (1.63%) PKI
18 36 (1.55%) Clustering
19 33 (1.42%) SWIFT
Operating Systems
1 1,652 (71.05%) Linux
2 610 (26.24%) Windows
3 152 (6.54%) Windows Server
4 109 (4.69%) Red Hat Enterprise Linux
5 86 (3.70%) Solaris
6 76 (3.27%) CentOS
7 55 (2.37%) Ubuntu
8 50 (2.15%) AIX
9 38 (1.63%) Android
10 32 (1.38%) Apple iOS
11 28 (1.20%) Embedded Linux
12 21 (0.90%) Mac OS
13 18 (0.77%) Oracle Linux
14 17 (0.73%) Windows Server 2008
15 15 (0.65%) Debian
16 14 (0.60%) HPUX
16 14 (0.60%) Windows 10
17 12 (0.52%) Windows Server 2012
18 11 (0.47%) Windows Server 2016
18 11 (0.47%) zOS
Processes & Methodologies
1 804 (34.58%) Agile Software Development
2 695 (29.89%) DevOps
3 566 (24.34%) Software Engineering
4 414 (17.81%) Computer Science
5 393 (16.90%) Microservices
6 337 (14.49%) Problem-Solving
7 313 (13.46%) TDD
8 299 (12.86%) Scrum
9 254 (10.92%) Software Testing
10 246 (10.58%) Test Automation
11 228 (9.81%) OO
12 223 (9.59%) Continuous Integration
13 206 (8.86%) Digital Banking
14 205 (8.82%) Open Source
15 200 (8.60%) Configuration Management
16 194 (8.34%) Site Reliability Engineering
17 193 (8.30%) SDLC
18 189 (8.13%) Infrastructure as Code
19 176 (7.57%) Validation
20 175 (7.53%) Multithreading
Programming Languages
1 976 (41.98%) Python
2 847 (36.43%) Java
3 683 (29.38%) SQL
4 379 (16.30%) Shell Script
5 357 (15.35%) JavaScript
6 330 (14.19%) Bash Shell
7 241 (10.37%) C++
8 216 (9.29%) Perl
9 211 (9.08%) PowerShell
10 191 (8.22%) Groovy
11 188 (8.09%) C#
12 176 (7.57%) C
13 134 (5.76%) PL/SQL
14 109 (4.69%) TypeScript
15 96 (4.13%) Ruby
16 75 (3.23%) PHP
17 72 (3.10%) Go
18 71 (3.05%) Scala
19 50 (2.15%) R
20 49 (2.11%) Java 8
Qualifications
1 513 (22.06%) Degree
2 161 (6.92%) Security Cleared
3 159 (6.84%) OCP
3 159 (6.84%) Oracle Certification
4 139 (5.98%) Computer Science Degree
5 102 (4.39%) SC Cleared
6 40 (1.72%) RHCE
7 35 (1.51%) GIAC
8 34 (1.46%) Cisco Certification
9 33 (1.42%) Numerate Degree
10 28 (1.20%) CCNP
11 23 (0.99%) CISSP
12 20 (0.86%) CCNA
13 18 (0.77%) RHCSA
14 15 (0.65%) CEH
14 15 (0.65%) VMware Certified Professional (VCP)
15 13 (0.56%) BPSS Clearance
15 13 (0.56%) HND
16 12 (0.52%) AWS Certification
16 12 (0.52%) Microsoft Certification
Quality Assurance & Compliance
1 169 (7.27%) QA
2 56 (2.41%) SLA
3 49 (2.11%) MiFID
4 47 (2.02%) ISO/IEC 27001
5 31 (1.33%) PCI DSS
6 24 (1.03%) EMIR
6 24 (1.03%) GDPR
7 16 (0.69%) COBIT
8 15 (0.65%) NIST
9 13 (0.56%) Accessibility
10 11 (0.47%) Cyber Essentials
10 11 (0.47%) Data Quality
11 8 (0.34%) GRC
11 8 (0.34%) ISO 9001
12 7 (0.30%) Sarbanes-Oxley
13 6 (0.26%) GLBA
13 6 (0.26%) HL7
13 6 (0.26%) ISO 15022
13 6 (0.26%) ISO 20022
14 3 (0.13%) FedRAMP
System Software
1 512 (22.02%) Docker
2 254 (10.92%) VMware Infrastructure
3 167 (7.18%) HDFS
4 99 (4.26%) Active Directory
5 38 (1.63%) VMware ESXi
6 35 (1.51%) Hyper-V
7 28 (1.20%) Oracle RAC
8 22 (0.95%) Virtual Servers
9 21 (0.90%) vSphere
10 17 (0.73%) Virtual Machines
11 16 (0.69%) Firmware
12 9 (0.39%) NFS
13 6 (0.26%) Xen
14 4 (0.17%) Apache ZooKeeper
15 3 (0.13%) Gluster
15 3 (0.13%) iptables
15 3 (0.13%) Terminal Services
15 3 (0.13%) Veritas Cluster Server
16 2 (0.086%) Microsoft App-V
16 2 (0.086%) VMware Workstation
Systems Management
1 547 (23.53%) Ansible
2 325 (13.98%) Kubernetes
3 285 (12.26%) Terraform
4 242 (10.41%) Puppet
5 191 (8.22%) Opscode Chef
6 52 (2.24%) Prometheus
7 36 (1.55%) Grafana
8 33 (1.42%) CFEngine
9 31 (1.33%) Nagios
10 26 (1.12%) Oracle RMAN
11 24 (1.03%) Data Guard
11 24 (1.03%) SCCM
12 16 (0.69%) Rundeck
12 16 (0.69%) Salt
13 14 (0.60%) Packer
14 13 (0.56%) HAProxy
14 13 (0.56%) Istio
14 13 (0.56%) Oracle Enterprise Manager
15 11 (0.47%) Single Sign-On
16 10 (0.43%) Red Hat Satellite
Vendors
1 498 (21.42%) Oracle
2 371 (15.96%) VMware
3 255 (10.97%) Microsoft
4 176 (7.57%) Red Hat
5 155 (6.67%) Okta
6 114 (4.90%) Google
7 109 (4.69%) IBM
8 105 (4.52%) Cisco
9 82 (3.53%) Sybase
10 68 (2.92%) Splunk
11 53 (2.28%) ServiceNow
12 49 (2.11%) Dell
13 46 (1.98%) HP
14 39 (1.68%) EMC
15 37 (1.59%) F5
15 37 (1.59%) NetApp
16 34 (1.46%) SAP
17 33 (1.42%) Atlassian
18 29 (1.25%) Citrix
19 26 (1.12%) Adobe