Period
to 18 May 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 18 May 2021 with a comparison to the same period in the previous 2 years.

Unix
UK
6 months to
18 May 2021
Same period 2020 Same period 2019
Rank 171 145 99
Rank change year-on-year -26 -46 -8
Permanent jobs citing Unix 1,797 2,272 4,844
As % of all permanent jobs advertised in the UK 1.99% 2.38% 3.33%
As % of the Operating Systems category 10.44% 11.26% 14.48%
Number of salaries quoted 1,300 1,788 3,560
10th Percentile £35,000 £34,500 £31,250
25th Percentile £45,000 £42,652 £40,000
Median annual salary (50th Percentile) £60,000 £57,500 £55,000
Median % change year-on-year +4.35% +4.55% -
75th Percentile £77,500 £75,000 £73,750
90th Percentile £90,000 £90,000 £87,500
UK excluding London median annual salary £47,500 £50,000 £45,000
% change year-on-year -5.00% +11.11% -

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 17,210 20,178 33,447
As % of all permanent IT jobs advertised in the UK 19.02% 21.13% 22.99%
Number of salaries quoted 13,627 16,488 26,875
10th Percentile £27,500 £26,250 £25,750
25th Percentile £36,250 £33,750 £32,500
Median annual salary (50th Percentile) £50,000 £47,500 £47,500
Median % change year-on-year +5.26% - +3.26%
75th Percentile £67,500 £65,000 £65,000
90th Percentile £83,750 £80,000 £78,750
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

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 18 May 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 18 May 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 -15 1,647 £62,500 +8.70% 307
UK excluding London -35 888 £47,500 -5.00% 194
London -10 861 £75,000 +10.45% 132
Work from Home -52 288 £60,000 -4.00% 55
South East -11 283 £47,500 -9.52% 42
North of England +6 209 £47,500 -5.00% 63
Midlands -18 165 £51,000 +7.94% 32
North West +40 129 £52,500 +16.67% 31
West Midlands -18 115 £58,750 +11.90% 19
Scotland -4 83 £47,500 -1.55% 19
South West -87 79 £46,375 -7.25% 21
Yorkshire -25 75 £42,500 -22.73% 23
East of England -16 52 £60,000 -14.29% 14
East Midlands +3 50 £50,000 +66.67% 13
Northern Ireland -5 24 £37,500 +17.19% 1
North East -16 6 £45,345 +24.23% 9
Wales -1 5 £43,500 +8.75% 2

For the 6 months to 18 May 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 1,271 (70.73%) Linux
2 734 (40.85%) Python
3 577 (32.11%) AWS
4 560 (31.16%) Java
5 551 (30.66%) Finance
6 540 (30.05%) SQL
7 532 (29.60%) DevOps
8 531 (29.55%) Agile Software Development
9 511 (28.44%) Windows
10 420 (23.37%) Docker
11 410 (22.82%) Azure
12 397 (22.09%) Oracle
13 358 (19.92%) Git (software)
13 358 (19.92%) Ansible
14 354 (19.70%) Social Skills
15 296 (16.47%) Jenkins
16 295 (16.42%) Software Engineering
17 285 (15.86%) Degree
18 272 (15.14%) Bash Shell
19 268 (14.91%) Kubernetes
20 247 (13.75%) JavaScript
21 245 (13.63%) Problem-Solving
22 232 (12.91%) VMware
23 229 (12.74%) Banking
24 222 (12.35%) Terraform
25 217 (12.08%) SQL Server
26 215 (11.96%) Puppet
27 213 (11.85%) Microsoft
28 205 (11.41%) Shell Script
29 201 (11.19%) Configuration Management

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 93 (5.18%) Apache
2 86 (4.79%) Apache Spark
3 78 (4.34%) Confluence
4 52 (2.89%) Elasticsearch
5 43 (2.39%) GemFire
6 31 (1.73%) WebLogic
7 29 (1.61%) OpenStack
8 24 (1.34%) nginx
8 24 (1.34%) Oracle SOA Suite
9 23 (1.28%) Cloud Foundry
9 23 (1.28%) IIS
10 22 (1.22%) JBoss
10 22 (1.22%) SAS
11 20 (1.11%) Tomcat
12 19 (1.06%) WebSphere
13 14 (0.78%) Tornado
14 10 (0.56%) MTS
15 7 (0.39%) Drupal
15 7 (0.39%) SharePoint
15 7 (0.39%) WebSphere Application Server
Applications
1 24 (1.34%) Microsoft Excel
2 21 (1.17%) Microsoft Office
3 9 (0.50%) Microsoft PowerPoint
4 8 (0.45%) MS Visio
5 5 (0.28%) Adobe After Effects
5 5 (0.28%) Adobe Illustrator
5 5 (0.28%) Adobe XD
5 5 (0.28%) Figma
5 5 (0.28%) GIMP
5 5 (0.28%) Photoshop
5 5 (0.28%) Sketch
6 1 (0.056%) EngageOne
6 1 (0.056%) Gephi
6 1 (0.056%) Microsoft Project
6 1 (0.056%) Quicktime
Business Applications
1 19 (1.06%) R3 Corda
2 10 (0.56%) Dynamics AX
2 10 (0.56%) NetSuite
3 9 (0.50%) Oracle EBS
4 7 (0.39%) Oracle Applications
5 6 (0.33%) Oracle 11i
5 6 (0.33%) Oracle EBS R12
6 4 (0.22%) SAP S/4HANA
7 3 (0.17%) Distributed Ledger
7 3 (0.17%) Temenos T24
8 2 (0.11%) assyst
8 2 (0.11%) FLEXCUBE
8 2 (0.11%) SAP HCM
9 1 (0.056%) IntelliMatch
9 1 (0.056%) Markit EDM
9 1 (0.056%) Payment Gateway
9 1 (0.056%) RMDS
9 1 (0.056%) Sentinel
9 1 (0.056%) Shopify
9 1 (0.056%) SunGard Martini
Cloud Services
1 577 (32.11%) AWS
2 410 (22.82%) Azure
3 163 (9.07%) GCP
4 96 (5.34%) GitHub
5 92 (5.12%) AWS CloudFormation
6 87 (4.84%) IaaS
7 80 (4.45%) SaaS
8 73 (4.06%) Serverless
9 61 (3.39%) PaaS
10 55 (3.06%) Amazon EC2
11 54 (3.01%) AWS Lambda
12 47 (2.62%) Amazon ECS
13 45 (2.50%) Amazon S3
13 45 (2.50%) Microsoft 365
14 41 (2.28%) Amazon EKS
15 38 (2.11%) OpenShift
16 32 (1.78%) Amazon Kinesis
16 32 (1.78%) Cloud Computing
17 29 (1.61%) Power Platform
18 28 (1.56%) Amazon SQS
Communications & Networking
1 140 (7.79%) Firewall
2 115 (6.40%) TCP/IP
3 77 (4.28%) DNS
4 63 (3.51%) VPN
5 52 (2.89%) VLAN
6 46 (2.56%) OSPF
7 45 (2.50%) SAN
8 44 (2.45%) HTTP
9 42 (2.34%) IPv4
10 40 (2.23%) Internet
11 37 (2.06%) NAS
12 35 (1.95%) SSH
13 32 (1.78%) F5 BIG-IP LTM
14 25 (1.39%) DHCP
15 24 (1.34%) SSL
16 21 (1.17%) BIG-IP
16 21 (1.17%) WAN
17 20 (1.11%) Cisco ASA
17 20 (1.11%) Network Security
17 20 (1.11%) Wireshark
Database & Business Intelligence
1 217 (12.08%) SQL Server
2 189 (10.52%) Relational Database
3 183 (10.18%) PostgreSQL
4 144 (8.01%) MySQL
5 115 (6.40%) NoSQL
6 103 (5.73%) Oracle Database
7 82 (4.56%) MariaDB
8 79 (4.40%) Big Data
8 79 (4.40%) MongoDB
9 78 (4.34%) Hadoop
10 73 (4.06%) Redis
11 71 (3.95%) Data Warehouse
12 62 (3.45%) RDBMS
13 58 (3.23%) SQL Server Integration Services
14 56 (3.12%) SQL Server Reporting Services
15 55 (3.06%) HBase
16 46 (2.56%) DB2
17 32 (1.78%) Amazon DynamoDB
17 32 (1.78%) Amazon RDS
18 29 (1.61%) Power BI
Development Applications
1 358 (19.92%) Git (software)
2 296 (16.47%) Jenkins
3 181 (10.07%) JIRA
4 106 (5.90%) GitLab
5 87 (4.84%) Cucumber
6 85 (4.73%) JUnit
7 79 (4.40%) Sonatype Nexus
8 73 (4.06%) Eclipse
8 73 (4.06%) IntelliJ
9 67 (3.73%) Gradle
10 55 (3.06%) Subversion
11 51 (2.84%) Cypress.io
11 51 (2.84%) Selenium
12 49 (2.73%) Mockito
13 47 (2.62%) Maven
14 42 (2.34%) Protractor
14 42 (2.34%) Storybook
15 35 (1.95%) Atlassian Bamboo
15 35 (1.95%) Bitbucket
16 34 (1.89%) TeamCity
General
1 551 (30.66%) Finance
2 354 (19.70%) Social Skills
3 229 (12.74%) Banking
4 148 (8.24%) Analytical Skills
5 83 (4.62%) Law
6 82 (4.56%) Marketing
7 75 (4.17%) Back Office
8 67 (3.73%) Front Office
9 59 (3.28%) Investment Banking
10 54 (3.01%) Presentation Skills
11 53 (2.95%) Public Sector
12 52 (2.89%) Retail
13 50 (2.78%) Games
14 48 (2.67%) Electronics
15 38 (2.11%) Telecoms
16 26 (1.45%) Legal
17 23 (1.28%) Advertising
18 22 (1.22%) Financial Institution
19 21 (1.17%) Local Government
20 20 (1.11%) Organisational Skills
Job Titles
1 434 (24.15%) Developer
2 198 (11.02%) DevOps Engineer
3 142 (7.90%) Java Developer
4 141 (7.85%) Analyst
5 138 (7.68%) Software Engineer
6 119 (6.62%) Applications Support
7 103 (5.73%) Linux Engineer
8 91 (5.06%) Senior Developer
8 91 (5.06%) Support Analyst
9 82 (4.56%) Architect
10 72 (4.01%) Unix Engineer
11 66 (3.67%) Infrastructure Engineer
12 61 (3.39%) Applications Support Analyst
13 58 (3.23%) Administrator
14 54 (3.01%) Site Reliability Engineer
15 53 (2.95%) DBA
16 52 (2.89%) Software Developer
17 51 (2.84%) Consultant
18 48 (2.67%) Cloud Engineer
18 48 (2.67%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 181 (10.07%) Node.js
2 174 (9.68%) Spring
3 173 (9.63%) Web Services
4 160 (8.90%) RESTful
5 143 (7.96%) Kafka
5 143 (7.96%) REST
6 128 (7.12%) CSS
6 128 (7.12%) React
7 94 (5.23%) AngularJS
7 94 (5.23%) JSON
8 91 (5.06%) .NET
9 90 (5.01%) HTML
10 84 (4.67%) FIX Protocol
10 84 (4.67%) XML
11 82 (4.56%) Middleware
12 71 (3.95%) RabbitMQ
13 65 (3.62%) Spring Boot
14 61 (3.39%) Redux
15 60 (3.34%) SOAP
16 58 (3.23%) Express
Miscellaneous
1 131 (7.29%) Linux Command Line
2 90 (5.01%) Self-Motivation
3 84 (4.67%) Public Cloud
4 81 (4.51%) Data Centre
4 81 (4.51%) Derivative
5 80 (4.45%) Management Information System
6 54 (3.01%) Fixed Income
7 49 (2.73%) User Experience
8 43 (2.39%) Enterprise Software
8 43 (2.39%) Equities
9 40 (2.23%) Foreign Exchange (FX)
10 39 (2.17%) SWIFT
11 36 (2.00%) Virtual Team
12 35 (1.95%) Algorithms
13 32 (1.78%) Cloud Native
14 31 (1.73%) PKI
15 27 (1.50%) Greenfield Project
16 24 (1.34%) Data Structures
17 22 (1.22%) Clustering
17 22 (1.22%) iPad
Operating Systems
1 1,271 (70.73%) Linux
2 511 (28.44%) Windows
3 127 (7.07%) Red Hat Enterprise Linux
4 122 (6.79%) Windows Server
5 64 (3.56%) CentOS
6 58 (3.23%) Ubuntu
7 57 (3.17%) Solaris
8 50 (2.78%) AIX
9 32 (1.78%) Android
10 24 (1.34%) Apple iOS
11 21 (1.17%) Embedded Linux
11 21 (1.17%) Windows Server 2012
12 16 (0.89%) Debian
12 16 (0.89%) Mac OS
12 16 (0.89%) Oracle Linux
13 15 (0.83%) Windows Server 2008
13 15 (0.83%) Windows Server 2016
14 11 (0.61%) HPUX
14 11 (0.61%) SUSE
15 7 (0.39%) Mac OS X
Processes & Methodologies
1 532 (29.60%) DevOps
2 531 (29.55%) Agile Software Development
3 295 (16.42%) Software Engineering
4 245 (13.63%) Problem-Solving
5 201 (11.19%) Configuration Management
6 199 (11.07%) Computer Science
7 196 (10.91%) Microservices
8 184 (10.24%) Scrum
9 176 (9.79%) Test Automation
10 173 (9.63%) Continuous Integration
11 158 (8.79%) TDD
12 150 (8.35%) Infrastructure as Code
13 147 (8.18%) ITIL
14 146 (8.12%) Site Reliability Engineering
15 137 (7.62%) SDLC
16 132 (7.35%) Software Testing
17 112 (6.23%) Open Source
18 104 (5.79%) Infrastructure Engineering
19 96 (5.34%) OO
20 90 (5.01%) Multithreading
Programming Languages
1 734 (40.85%) Python
2 560 (31.16%) Java
3 540 (30.05%) SQL
4 272 (15.14%) Bash Shell
5 247 (13.75%) JavaScript
6 205 (11.41%) Shell Script
7 178 (9.91%) PowerShell
8 176 (9.79%) Perl
9 173 (9.63%) C++
10 154 (8.57%) C#
11 128 (7.12%) C
12 90 (5.01%) PL/SQL
13 82 (4.56%) TypeScript
14 72 (4.01%) Ruby
15 71 (3.95%) Groovy
16 68 (3.78%) Go
17 61 (3.39%) Scala
18 56 (3.12%) PHP
19 40 (2.23%) Kotlin
20 31 (1.73%) Java 8
Qualifications
1 285 (15.86%) Degree
2 96 (5.34%) Security Cleared
3 75 (4.17%) Computer Science Degree
4 67 (3.73%) SC Cleared
5 50 (2.78%) Oracle Certification
6 49 (2.73%) OCP
7 43 (2.39%) RHCE
8 33 (1.84%) GIAC
9 29 (1.61%) CISSP
9 29 (1.61%) Numerate Degree
10 26 (1.45%) Cisco Certification
11 18 (1.00%) Microsoft Certification
12 16 (0.89%) CCNA
13 15 (0.83%) AWS Certification
13 15 (0.83%) BPSS Clearance
13 15 (0.83%) CCNP
13 15 (0.83%) MCSE
14 14 (0.78%) CISM
14 14 (0.78%) HND
15 13 (0.72%) ISEB
Quality Assurance & Compliance
1 112 (6.23%) QA
2 51 (2.84%) SLA
3 43 (2.39%) ISO/IEC 27001
4 32 (1.78%) PCI DSS
5 25 (1.39%) MiFID
6 24 (1.34%) GDPR
7 16 (0.89%) Data Quality
8 14 (0.78%) ISO 9001
9 13 (0.72%) COBIT
10 9 (0.50%) EMIR
10 9 (0.50%) NIST
11 8 (0.45%) Cyber Essentials
12 6 (0.33%) GRC
13 5 (0.28%) Sarbanes-Oxley
14 4 (0.22%) GLBA
15 3 (0.17%) FedRAMP
16 2 (0.11%) Cyber Essentials PLUS
16 2 (0.11%) HL7
16 2 (0.11%) NIST 800
17 1 (0.056%) PMO
System Software
1 420 (23.37%) Docker
2 165 (9.18%) VMware Infrastructure
3 105 (5.84%) Active Directory
4 56 (3.12%) HDFS
5 42 (2.34%) VMware ESXi
6 31 (1.73%) Hyper-V
7 30 (1.67%) Oracle RAC
8 24 (1.34%) Firmware
8 24 (1.34%) Virtual Machines
9 11 (0.61%) vSphere
10 9 (0.50%) Virtual Servers
11 7 (0.39%) Postfix
11 7 (0.39%) Xen
12 6 (0.33%) PowerHA
12 6 (0.33%) Veritas Cluster Server
13 5 (0.28%) KVM
13 5 (0.28%) Sendmail
14 4 (0.22%) BitLocker
14 4 (0.22%) NFS
14 4 (0.22%) Samba
Systems Management
1 358 (19.92%) Ansible
2 268 (14.91%) Kubernetes
3 222 (12.35%) Terraform
4 215 (11.96%) Puppet
5 133 (7.40%) Opscode Chef
6 54 (3.01%) Prometheus
7 31 (1.73%) SCCM
8 30 (1.67%) Grafana
8 30 (1.67%) Nagios
9 22 (1.22%) Oracle RMAN
10 21 (1.17%) CFEngine
11 20 (1.11%) Data Guard
12 15 (0.83%) Rundeck
12 15 (0.83%) SCOM
13 14 (0.78%) HAProxy
14 13 (0.72%) Istio
14 13 (0.72%) Oracle Enterprise Manager
15 12 (0.67%) Microsoft Data Protection Manager
15 12 (0.67%) Packer
16 11 (0.61%) Salt
Vendors
1 397 (22.09%) Oracle
2 232 (12.91%) VMware
3 213 (11.85%) Microsoft
4 162 (9.02%) Red Hat
5 85 (4.73%) IBM
6 70 (3.90%) Google
7 67 (3.73%) Cisco
8 57 (3.17%) Splunk
9 47 (2.62%) Sybase
10 42 (2.34%) Okta
11 34 (1.89%) EMC
11 34 (1.89%) F5
12 33 (1.84%) Dell
13 26 (1.45%) ServiceNow
14 24 (1.34%) Informatica
14 24 (1.34%) SAP
15 23 (1.28%) Cloudera
16 22 (1.22%) Isilon
16 22 (1.22%) Veeam
17 21 (1.17%) CommVault