Period
to 25 June 2021

The following table provides summary statistics for permanent job vacancies advertised in England 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 25 June 2021 with a comparison to the same period in the previous 2 years.

Unix
UK > England
6 months to
25 Jun 2021
Same period 2020 Same period 2019
Rank 163 140 97
Rank change year-on-year -23 -43 +3
Permanent jobs citing Unix 1,939 1,756 4,371
As % of all permanent jobs advertised in England 2.07% 2.38% 3.28%
As % of the Operating Systems category 11.14% 11.23% 14.27%
Number of salaries quoted 1,227 1,346 3,157
10th Percentile £36,500 £36,250 £31,500
25th Percentile £46,125 £45,000 £40,500
Median annual salary (50th Percentile) £62,500 £60,000 £55,000
Median % change year-on-year +4.17% +9.09% -
75th Percentile £80,000 £76,250 £75,000
90th Percentile £90,500 £92,500 £90,000
UK median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

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 England with a requirement for operating system skills.

All Operating Systems
England
Permanent vacancies with a requirement for operating system skills 17,399 15,637 30,635
As % of all permanent IT jobs advertised in England 18.56% 21.19% 22.96%
Number of salaries quoted 12,914 12,942 24,747
10th Percentile £27,500 £27,000 £25,750
25th Percentile £36,750 £35,000 £32,500
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% -
75th Percentile £68,750 £66,250 £65,000
90th Percentile £85,000 £81,250 £80,000
UK median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +3.26%

Unix
Job Vacancy Trend in England

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

Job vacancy trend for Unix in England

Unix
Salary Trend in England

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

Salary trend for Unix in England

Unix
Salary Histogram in England

Salary distribution for jobs citing Unix in England over the 6 months to 25 June 2021.

Salary histogram for Unix in England

Unix
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the England region over the 6 months to 25 June 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
London -17 1,012 £72,500 +3.57% 145
South East +4 383 £47,500 -9.52% 36
North of England -24 199 £47,500 - 48
Midlands -24 180 £51,000 +7.37% 48
North West -7 118 £52,500 +16.67% 31
West Midlands -47 116 £53,750 +2.38% 33
South West -94 95 £46,250 -7.50% 26
Yorkshire -29 71 £41,697 -24.19% 10
East of England -22 65 £55,000 -8.33% 13
East Midlands +3 64 £50,000 +66.67% 15
North East -20 11 £45,345 +20.12% 7
Unix
UK

For the 6 months to 25 June 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 England region with a requirement for Unix.

1 1,367 (70.50%) Linux
2 842 (43.42%) Python
3 692 (35.69%) AWS
4 687 (35.43%) Finance
5 669 (34.50%) Java
6 624 (32.18%) Agile Software Development
7 609 (31.41%) DevOps
8 568 (29.29%) SQL
9 499 (25.73%) Windows
10 470 (24.24%) Docker
11 461 (23.78%) Azure
12 456 (23.52%) Ansible
13 448 (23.10%) Git (software)
14 420 (21.66%) Software Engineering
15 419 (21.61%) Oracle
16 381 (19.65%) Degree
16 381 (19.65%) Social Skills
17 369 (19.03%) Jenkins
18 328 (16.92%) Banking
19 308 (15.88%) Relational Database
20 298 (15.37%) VMware
21 294 (15.16%) Microservices
22 293 (15.11%) Computer Science
23 290 (14.96%) Bash Shell
23 290 (14.96%) Kubernetes
24 283 (14.60%) Shell Script
25 275 (14.18%) PostgreSQL
26 272 (14.03%) Spring
27 271 (13.98%) Problem-Solving
28 267 (13.77%) JavaScript

Unix
Co-occurring IT Skills in England 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
1 178 (9.18%) Apache Spark
2 149 (7.68%) Apache
3 106 (5.47%) GemFire
4 69 (3.56%) Confluence
5 54 (2.78%) Elasticsearch
6 35 (1.81%) Cloud Foundry
7 34 (1.75%) WebLogic
8 32 (1.65%) OpenStack
8 32 (1.65%) Oracle SOA Suite
9 26 (1.34%) Tornado
10 24 (1.24%) IIS
11 23 (1.19%) Tomcat
12 20 (1.03%) SAS
12 20 (1.03%) WebSphere
13 17 (0.88%) nginx
13 17 (0.88%) Oracle Service Bus
14 11 (0.57%) WebSphere Application Server
15 10 (0.52%) JBoss
16 8 (0.41%) CMS
16 8 (0.41%) MTS
Applications
1 27 (1.39%) Microsoft Office
2 26 (1.34%) Microsoft Excel
3 13 (0.67%) Microsoft PowerPoint
4 12 (0.62%) Adobe Illustrator
4 12 (0.62%) GIMP
4 12 (0.62%) Photoshop
5 9 (0.46%) MS Visio
6 6 (0.31%) Adobe After Effects
6 6 (0.31%) Adobe XD
6 6 (0.31%) Figma
6 6 (0.31%) Sketch
7 1 (0.052%) Quicktime
Business Applications
1 19 (0.98%) R3 Corda
2 9 (0.46%) Dynamics AX
2 9 (0.46%) NetSuite
3 6 (0.31%) Oracle Applications
4 5 (0.26%) SAP S/4HANA
5 3 (0.15%) Distributed Ledger
5 3 (0.15%) FLEXCUBE
5 3 (0.15%) Temenos T24
6 2 (0.10%) assyst
6 2 (0.10%) Oracle CRM
6 2 (0.10%) SAP HCM
7 1 (0.052%) Dynamics CRM
7 1 (0.052%) Oracle 11i
7 1 (0.052%) Oracle EBS
7 1 (0.052%) Oracle EBS R12
7 1 (0.052%) RMDS
7 1 (0.052%) SAP FI-CA
7 1 (0.052%) Sentinel
7 1 (0.052%) SunGard Martini
7 1 (0.052%) Temenos Globus
Cloud Services
1 692 (35.69%) AWS
2 461 (23.78%) Azure
3 225 (11.60%) GCP
4 196 (10.11%) GitHub
5 108 (5.57%) SaaS
6 101 (5.21%) AWS CloudFormation
7 90 (4.64%) IaaS
8 88 (4.54%) Amazon Kinesis
8 88 (4.54%) PaaS
9 79 (4.07%) Serverless
10 67 (3.46%) Amazon EC2
11 64 (3.30%) AWS Lambda
12 60 (3.09%) Amazon S3
13 58 (2.99%) OpenShift
14 44 (2.27%) Microsoft 365
15 41 (2.11%) Cloud Computing
16 39 (2.01%) Amazon EKS
16 39 (2.01%) Amazon SQS
17 38 (1.96%) Amazon ECS
18 25 (1.29%) Power Platform
Communications & Networking
1 142 (7.32%) Firewall
2 100 (5.16%) TCP/IP
3 75 (3.87%) DNS
4 70 (3.61%) VPN
5 59 (3.04%) VLAN
6 57 (2.94%) HTTP
7 52 (2.68%) IPv4
8 46 (2.37%) OSPF
9 45 (2.32%) SAN
10 44 (2.27%) Internet
11 35 (1.81%) NAS
12 30 (1.55%) F5 BIG-IP LTM
13 29 (1.50%) SSH
14 26 (1.34%) LAN
15 25 (1.29%) WAN
16 21 (1.08%) Broadband
17 20 (1.03%) DHCP
17 20 (1.03%) SSL
18 19 (0.98%) BIG-IP
18 19 (0.98%) Network Security
Database & Business Intelligence
1 308 (15.88%) Relational Database
2 275 (14.18%) PostgreSQL
3 220 (11.35%) SQL Server
4 197 (10.16%) NoSQL
5 170 (8.77%) MySQL
6 156 (8.05%) MariaDB
7 152 (7.84%) Redis
8 131 (6.76%) HBase
9 129 (6.65%) Oracle Database
10 117 (6.03%) Big Data
11 109 (5.62%) MongoDB
12 98 (5.05%) Hadoop
13 87 (4.49%) RDBMS
14 64 (3.30%) Data Warehouse
15 57 (2.94%) DB2
16 56 (2.89%) SQL Server Integration Services
17 51 (2.63%) SQL Server Reporting Services
18 46 (2.37%) Amazon DynamoDB
19 36 (1.86%) Amazon RDS
20 29 (1.50%) Blockchain
Development Applications
1 448 (23.10%) Git (software)
2 369 (19.03%) Jenkins
3 183 (9.44%) JIRA
4 145 (7.48%) Cucumber
4 145 (7.48%) IntelliJ
5 144 (7.43%) Eclipse
5 144 (7.43%) Gradle
6 134 (6.91%) Sonatype Nexus
7 133 (6.86%) JUnit
8 124 (6.40%) GitLab
9 117 (6.03%) Cypress.io
10 110 (5.67%) Mockito
11 105 (5.42%) Protractor
11 105 (5.42%) Storybook
12 64 (3.30%) Artifactory
13 56 (2.89%) Subversion
14 53 (2.73%) SonarQube
15 52 (2.68%) Maven
16 43 (2.22%) Selenium
17 36 (1.86%) Atlassian Bamboo
General
1 687 (35.43%) Finance
2 381 (19.65%) Social Skills
3 328 (16.92%) Banking
4 176 (9.08%) Analytical Skills
5 171 (8.82%) Law
6 96 (4.95%) Games
7 94 (4.85%) Marketing
8 86 (4.44%) Front Office
9 83 (4.28%) Back Office
10 72 (3.71%) Investment Banking
11 63 (3.25%) Electronics
12 62 (3.20%) Presentation Skills
13 61 (3.15%) Public Sector
14 58 (2.99%) Retail
15 56 (2.89%) Legal
15 56 (2.89%) Telecoms
16 36 (1.86%) Online Betting
17 30 (1.55%) Advertising
18 28 (1.44%) Manufacturing
19 23 (1.19%) Organisational Skills
Job Titles
1 474 (24.45%) Developer
2 236 (12.17%) Software Engineer
3 195 (10.06%) DevOps Engineer
4 155 (7.99%) Java Developer
5 137 (7.07%) Analyst
6 103 (5.31%) Senior Developer
7 101 (5.21%) Linux Engineer
8 99 (5.11%) Applications Support
9 80 (4.13%) Support Analyst
10 77 (3.97%) Architect
11 76 (3.92%) Software Developer
12 70 (3.61%) Principal Engineer
13 66 (3.40%) Administrator
14 63 (3.25%) Senior Software Engineer
15 62 (3.20%) Principal Software Engineer
16 61 (3.15%) DBA
17 54 (2.78%) Consultant
17 54 (2.78%) Infrastructure Engineer
17 54 (2.78%) Site Reliability Engineer
18 53 (2.73%) Senior DevOps
Libraries, Frameworks & Software Standards
1 272 (14.03%) Spring
2 254 (13.10%) Node.js
3 244 (12.58%) RESTful
4 233 (12.02%) Kafka
5 226 (11.66%) React
6 215 (11.09%) Web Services
7 191 (9.85%) AngularJS
7 191 (9.85%) CSS
8 167 (8.61%) REST
9 152 (7.84%) RabbitMQ
10 151 (7.79%) JSON
11 129 (6.65%) Redux
12 127 (6.55%) Express
13 114 (5.88%) Twitter Bootstrap
14 113 (5.83%) Tailwind CSS
15 109 (5.62%) Play Framework
16 105 (5.42%) Spark Streaming
17 102 (5.26%) WireMock
18 97 (5.00%) .NET
19 95 (4.90%) Spring Boot
Miscellaneous
1 197 (10.16%) Linux Command Line
2 117 (6.03%) Derivative
3 115 (5.93%) Public Cloud
4 104 (5.36%) User Experience
5 100 (5.16%) Self-Motivation
6 80 (4.13%) Data Centre
7 76 (3.92%) Management Information System
8 61 (3.15%) Algorithms
9 52 (2.68%) Fixed Income
10 50 (2.58%) Equities
11 48 (2.48%) Enterprise Software
12 44 (2.27%) Virtual Team
13 40 (2.06%) PKI
14 39 (2.01%) Cloud Native
15 38 (1.96%) Greenfield Project
16 37 (1.91%) Foreign Exchange (FX)
17 36 (1.86%) Blog
18 34 (1.75%) Clustering
19 32 (1.65%) SWIFT
20 31 (1.60%) Data Structures
Operating Systems
1 1,367 (70.50%) Linux
2 499 (25.73%) Windows
3 119 (6.14%) Windows Server
4 110 (5.67%) Red Hat Enterprise Linux
5 70 (3.61%) CentOS
6 64 (3.30%) Solaris
7 59 (3.04%) Ubuntu
8 45 (2.32%) AIX
9 30 (1.55%) Android
10 21 (1.08%) Apple iOS
11 18 (0.93%) Windows Server 2012
12 16 (0.83%) Mac OS
12 16 (0.83%) Oracle Linux
13 14 (0.72%) Embedded Linux
13 14 (0.72%) Windows Server 2008
13 14 (0.72%) Windows Server 2016
14 13 (0.67%) Debian
15 12 (0.62%) HPUX
16 9 (0.46%) Windows 10
17 8 (0.41%) Mac OS X
Processes & Methodologies
1 624 (32.18%) Agile Software Development
2 609 (31.41%) DevOps
3 420 (21.66%) Software Engineering
4 294 (15.16%) Microservices
5 293 (15.11%) Computer Science
6 271 (13.98%) Problem-Solving
7 249 (12.84%) Scrum
8 220 (11.35%) TDD
9 208 (10.73%) Test Automation
10 198 (10.21%) Configuration Management
11 197 (10.16%) Software Testing
12 189 (9.75%) Continuous Integration
13 173 (8.92%) Site Reliability Engineering
14 169 (8.72%) SDLC
15 163 (8.41%) Infrastructure as Code
16 155 (7.99%) Open Source
17 153 (7.89%) OO
18 140 (7.22%) Digital Banking
19 136 (7.01%) ITIL
20 130 (6.70%) Multithreading
Programming Languages
1 842 (43.42%) Python
2 669 (34.50%) Java
3 568 (29.29%) SQL
4 290 (14.96%) Bash Shell
5 283 (14.60%) Shell Script
6 267 (13.77%) JavaScript
7 195 (10.06%) C++
8 193 (9.95%) PowerShell
9 172 (8.87%) C#
9 172 (8.87%) Perl
10 139 (7.17%) Groovy
11 136 (7.01%) C
12 113 (5.83%) PL/SQL
13 100 (5.16%) TypeScript
14 73 (3.76%) Ruby
15 63 (3.25%) Go
16 60 (3.09%) Scala
17 58 (2.99%) PHP
18 50 (2.58%) Kotlin
19 39 (2.01%) R
Qualifications
1 381 (19.65%) Degree
2 127 (6.55%) Security Cleared
3 110 (5.67%) OCP
3 110 (5.67%) Oracle Certification
4 86 (4.44%) Computer Science Degree
5 80 (4.13%) SC Cleared
6 48 (2.48%) RHCE
7 38 (1.96%) GIAC
8 33 (1.70%) Numerate Degree
9 27 (1.39%) Cisco Certification
10 24 (1.24%) CISSP
11 19 (0.98%) CCNA
11 19 (0.98%) CCNP
12 18 (0.93%) Microsoft Certification
13 16 (0.83%) BPSS Clearance
14 12 (0.62%) CISM
14 12 (0.62%) ISTQB
14 12 (0.62%) MCSA
14 12 (0.62%) MCSE
15 11 (0.57%) RHCSA
Quality Assurance & Compliance
1 134 (6.91%) QA
2 49 (2.53%) SLA
3 41 (2.11%) MiFID
4 39 (2.01%) ISO/IEC 27001
5 28 (1.44%) PCI DSS
6 20 (1.03%) GDPR
7 19 (0.98%) EMIR
8 13 (0.67%) COBIT
8 13 (0.67%) Data Quality
9 10 (0.52%) Accessibility
10 9 (0.46%) Cyber Essentials
10 9 (0.46%) ISO 9001
10 9 (0.46%) NIST
11 8 (0.41%) GRC
12 7 (0.36%) Sarbanes-Oxley
13 6 (0.31%) GLBA
13 6 (0.31%) HL7
14 3 (0.15%) FedRAMP
15 2 (0.10%) ISO 15022
15 2 (0.10%) ISO 20022
System Software
1 470 (24.24%) Docker
2 207 (10.68%) VMware Infrastructure
3 115 (5.93%) HDFS
4 95 (4.90%) Active Directory
5 46 (2.37%) VMware ESXi
6 30 (1.55%) Oracle RAC
7 27 (1.39%) Hyper-V
8 17 (0.88%) Firmware
8 17 (0.88%) Virtual Machines
8 17 (0.88%) Virtual Servers
9 10 (0.52%) vSphere
10 9 (0.46%) NFS
11 5 (0.26%) Xen
12 4 (0.21%) Postfix
13 3 (0.15%) Apache ZooKeeper
13 3 (0.15%) Gluster
13 3 (0.15%) iptables
13 3 (0.15%) Terminal Services
13 3 (0.15%) Veritas Cluster Server
14 2 (0.10%) Ceph
Systems Management
1 456 (23.52%) Ansible
2 290 (14.96%) Kubernetes
3 238 (12.27%) Terraform
4 226 (11.66%) Puppet
5 158 (8.15%) Opscode Chef
6 55 (2.84%) Prometheus
7 34 (1.75%) Grafana
8 29 (1.50%) SCCM
9 28 (1.44%) Nagios
10 27 (1.39%) Oracle RMAN
11 26 (1.34%) CFEngine
12 22 (1.13%) Data Guard
13 13 (0.67%) Nmap
13 13 (0.67%) Salt
13 13 (0.67%) SCOM
14 12 (0.62%) Packer
14 12 (0.62%) Rundeck
15 10 (0.52%) HP Data Protector
15 10 (0.52%) Oracle Enterprise Manager
16 9 (0.46%) Red Hat Satellite
Vendors
1 419 (21.61%) Oracle
2 298 (15.37%) VMware
3 228 (11.76%) Microsoft
4 156 (8.05%) Red Hat
5 105 (5.42%) Okta
6 95 (4.90%) Google
7 86 (4.44%) IBM
8 78 (4.02%) Cisco
9 59 (3.04%) Sybase
10 57 (2.94%) Splunk
11 39 (2.01%) Dell
12 38 (1.96%) ServiceNow
13 36 (1.86%) SAP
14 34 (1.75%) HP
15 33 (1.70%) EMC
16 31 (1.60%) F5
17 25 (1.29%) NetApp
18 23 (1.19%) Citrix
19 22 (1.13%) Adobe
19 22 (1.13%) JDA