Unix
UK

The table below provides summary statistics for permanent job vacancies requiring Unix skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited Unix over the 6 months leading up to 1 April 2025, comparing them to the same period in the previous two years.

6 months to
1 Apr 2025
Same period 2024 Same period 2023
Rank 295 266 199
Rank change year-on-year -29 -67 -9
Permanent jobs citing Unix 473 1,001 2,153
As % of all permanent jobs advertised in the UK 0.94% 1.08% 1.94%
As % of the Operating Systems category 7.72% 7.39% 12.23%
Number of salaries quoted 264 531 1,132
10th Percentile £40,000 £37,101 £40,000
25th Percentile £51,149 £45,000 £51,250
Median annual salary (50th Percentile) £69,308 £60,000 £69,447
Median % change year-on-year +15.51% -13.60% +11.12%
75th Percentile £82,751 £82,548 £89,852
90th Percentile £93,778 £100,064 £112,500
UK excluding London median annual salary £65,000 £52,500 £52,500
% change year-on-year +23.81% - -

All Operating Systems
UK

Unix falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring operating system skills.

Permanent vacancies with a requirement for operating system skills 6,129 13,546 17,606
As % of all permanent jobs advertised in the UK 12.14% 14.67% 15.90%
Number of salaries quoted 4,415 10,766 11,946
10th Percentile £27,750 £25,760 £27,000
25th Percentile £35,000 £31,250 £35,017
Median annual salary (50th Percentile) £50,000 £45,000 £52,500
Median % change year-on-year +11.11% -14.29% -
75th Percentile £70,000 £62,500 £72,500
90th Percentile £88,750 £80,000 £94,110
UK excluding London median annual salary £45,000 £42,500 £45,000
% change year-on-year +5.88% -5.56% -

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 1 April 2025.

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 1 April 2025. 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
Jobs
England -6 388 £65,000 +8.33% 478
UK excluding London -19 294 £65,000 +23.81% 181
Work from Home +39 197 £69,308 +10.39% 210
London +23 159 £70,000 -9.68% 341
North of England +46 89 £69,384 +26.15% 31
North West +45 65 £68,467 +24.49% 16
South East +39 52 £41,000 -31.67% 55
Midlands +24 38 £61,250 +22.50% 12
West Midlands +38 37 £60,000 +20.00% 8
East of England +73 29 £60,000 +54.84% 32
Wales +17 29 £75,000 +22.38% 6
Scotland -21 29 £74,059 +75.49% 31
South West +28 18 £71,991 +37.13% 11
Yorkshire +24 16 £85,253 +20.80% 10
Northern Ireland +23 10 £90,000 +28.57% 7
North East +26 8 £69,308 +56.54% 5
East Midlands +19 1 £70,000 +40.00% 4

Unix
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 26 (5.50%) Apache
1 26 (5.50%) Microsoft Exchange
2 25 (5.29%) Confluence
3 17 (3.59%) Apache Airflow
4 16 (3.38%) Apache Spark
5 6 (1.27%) Tomcat
6 5 (1.06%) GemFire
6 5 (1.06%) NetWeaver
6 5 (1.06%) SharePoint
6 5 (1.06%) WebSphere
7 2 (0.42%) IIS
7 2 (0.42%) nginx
8 1 (0.21%) OpenStack
8 1 (0.21%) Oracle SOA Suite
8 1 (0.21%) WebLogic
Applications
1 26 (5.50%) Microsoft Excel
2 22 (4.65%) Microsoft Office
3 6 (1.27%) Microsoft Project
4 5 (1.06%) MS Visio
5 2 (0.42%) Adobe Creative Suite
5 2 (0.42%) InDesign
5 2 (0.42%) Photoshop
Business Applications
1 75 (15.86%) NEC Housing
2 10 (2.11%) Fidessa
3 7 (1.48%) Oracle EBS
4 6 (1.27%) Oracle Applications
5 5 (1.06%) Oracle Subledger Accounting
6 3 (0.63%) Remedy ITSM
7 2 (0.42%) SAP Oil and Gas
8 1 (0.21%) ION Anvil
8 1 (0.21%) ION MarketView
8 1 (0.21%) Oracle Payables
8 1 (0.21%) Oracle Retail
8 1 (0.21%) SAP IBP
8 1 (0.21%) SAP S/4HANA
Cloud Services
1 100 (21.14%) Azure
2 79 (16.70%) AWS
3 52 (10.99%) GCP
4 40 (8.46%) Cloud Computing
5 27 (5.71%) AWS CloudFormation
6 26 (5.50%) Amazon ECS
7 25 (5.29%) Amazon ECR
7 25 (5.29%) Amazon ElastiCache
7 25 (5.29%) Amazon OpenSearch
7 25 (5.29%) AWS CodeBuild
7 25 (5.29%) dbt
7 25 (5.29%) Pulumi
8 21 (4.44%) PaaS
9 19 (4.02%) GitHub
10 16 (3.38%) Microsoft 365
10 16 (3.38%) Sentry
11 13 (2.75%) Apigee
11 13 (2.75%) Google Kubernetes Engine
11 13 (2.75%) OpenShift
12 7 (1.48%) IaaS
Communications & Networking
1 68 (14.38%) TCP/IP
2 39 (8.25%) DNS
3 37 (7.82%) Firewall
4 30 (6.34%) Network Security
5 25 (5.29%) DHCP
6 20 (4.23%) Internet
7 14 (2.96%) SSL
8 13 (2.75%) LAN
9 12 (2.54%) Modbus
9 12 (2.54%) MQTT
9 12 (2.54%) VLAN
9 12 (2.54%) WAN
10 11 (2.33%) HTTP
11 10 (2.11%) FIX Connectivity
12 9 (1.90%) IPv4
13 8 (1.69%) 5G
13 8 (1.69%) SD-WAN
14 7 (1.48%) SAN
15 6 (1.27%) SMTP
16 5 (1.06%) FTP
Database & Business Intelligence
1 64 (13.53%) PostgreSQL
2 51 (10.78%) Relational Database
3 47 (9.94%) SQL Server
4 33 (6.98%) NoSQL
5 32 (6.77%) Redis
6 28 (5.92%) Amazon RDS
6 28 (5.92%) Elasticsearch
7 24 (5.07%) RDBMS
8 22 (4.65%) DB2
9 19 (4.02%) Oracle Reports
10 18 (3.81%) MongoDB
11 15 (3.17%) Data Warehouse
11 15 (3.17%) Hadoop
12 13 (2.75%) Apache Hudi
12 13 (2.75%) Apache Iceberg
12 13 (2.75%) Delta Lake
13 12 (2.54%) Oracle Database
14 10 (2.11%) SAP HANA
15 7 (1.48%) Oracle Exadata
16 6 (1.27%) Big Data
Development Applications
1 58 (12.26%) Git
2 42 (8.88%) Jenkins
3 34 (7.19%) JIRA
4 20 (4.23%) Maven
5 15 (3.17%) Bitbucket
5 15 (3.17%) JUnit
5 15 (3.17%) SonarQube
6 13 (2.75%) Sonatype Nexus
7 11 (2.33%) Subversion
8 9 (1.90%) LabVIEW
8 9 (1.90%) Oracle Forms
9 5 (1.06%) IBM UrbanCode
10 4 (0.85%) JMeter
10 4 (0.85%) Spinnaker
11 3 (0.63%) Atlassian Bamboo
11 3 (0.63%) GitLab
11 3 (0.63%) SoapUI
12 2 (0.42%) Postman
12 2 (0.42%) REST Assured
12 2 (0.42%) XCTest
General
1 189 (39.96%) Finance
2 131 (27.70%) Social Skills
3 84 (17.76%) Banking
4 80 (16.91%) Public Sector
5 76 (16.07%) Local Government
5 76 (16.07%) Police
6 75 (15.86%) Social Housing
7 66 (13.95%) Analytical Skills
8 41 (8.67%) Inclusion and Diversity
9 18 (3.81%) Law
9 18 (3.81%) Legal
10 17 (3.59%) Presentation Skills
11 14 (2.96%) Telecoms
12 13 (2.75%) Retail
13 11 (2.33%) Back Office
13 11 (2.33%) Electronics
13 11 (2.33%) Front Office
14 10 (2.11%) Advertising
15 9 (1.90%) Investment Banking
16 6 (1.27%) Billing
Job Titles
1 86 (18.18%) Senior
2 85 (17.97%) Consultant
3 75 (15.86%) Implementation Consultant
4 61 (12.90%) Analyst
5 49 (10.36%) Software Engineer
6 45 (9.51%) Developer
7 41 (8.67%) Support Analyst
8 30 (6.34%) Applications Support
8 30 (6.34%) Lead
9 24 (5.07%) Data Engineer
10 20 (4.23%) Senior Software Engineer
11 19 (4.02%) Embedded Engineer
12 16 (3.38%) Applications Support Analyst
12 16 (3.38%) Infrastructure Engineer
12 16 (3.38%) Systems Engineer
12 16 (3.38%) Unix Support
13 15 (3.17%) Banking Analyst
13 15 (3.17%) FPGA Engineer
13 15 (3.17%) Linux Support
13 15 (3.17%) Python Engineer
Libraries, Frameworks & Software Standards
1 29 (6.13%) .NET
2 28 (5.92%) Django
3 24 (5.07%) FIX Protocol
3 24 (5.07%) Kafka
4 22 (4.65%) Spring
5 20 (4.23%) Middleware
6 17 (3.59%) RESTful
7 16 (3.38%) Hibernate
7 16 (3.38%) HTML
7 16 (3.38%) Spring Boot
8 14 (2.96%) OAuth
8 14 (2.96%) OAuth2
8 14 (2.96%) SAML
9 13 (2.75%) PyArrow
9 13 (2.75%) PySpark
10 11 (2.33%) XML
11 10 (2.11%) REST
11 10 (2.11%) SOAP
12 9 (1.90%) CSS
12 9 (1.90%) Web Services
Miscellaneous
1 75 (15.86%) Housing Association
2 26 (5.50%) Distributed Systems
3 25 (5.29%) Management Information System
4 22 (4.65%) IoT
5 20 (4.23%) Algorithms
5 20 (4.23%) FPGA
6 17 (3.59%) Clustering
6 17 (3.59%) Data Centre
6 17 (3.59%) Embedded Systems
6 17 (3.59%) Equities
7 16 (3.38%) Foreign Exchange (FX)
8 15 (3.17%) ASIC
8 15 (3.17%) Derivative
8 15 (3.17%) Verilog
8 15 (3.17%) VHDL
9 14 (2.96%) Self-Motivation
10 13 (2.75%) Fixed Income
11 12 (2.54%) Cloud Native
11 12 (2.54%) Device Driver
11 12 (2.54%) Onboarding
Operating Systems
1 316 (66.81%) Linux
2 144 (30.44%) Windows
3 42 (8.88%) Windows Server
4 29 (6.13%) Red Hat Enterprise Linux
5 22 (4.65%) Solaris
6 18 (3.81%) AIX
7 17 (3.59%) CentOS
8 13 (2.75%) zOS
9 11 (2.33%) Mac OS
10 9 (1.90%) Rocky
10 9 (1.90%) Ubuntu
11 6 (1.27%) Windows Server 2008
11 6 (1.27%) Windows Server 2019
12 5 (1.06%) VMS
12 5 (1.06%) VxWorks
13 2 (0.42%) CoreOS
13 2 (0.42%) Embedded Linux
13 2 (0.42%) HPUX
13 2 (0.42%) Oracle Linux
14 1 (0.21%) Amazon Linux
Processes & Methodologies
1 140 (29.60%) Problem-Solving
2 103 (21.78%) DevOps
3 94 (19.87%) CI/CD
4 78 (16.49%) Software Engineering
5 75 (15.86%) Housing Management
6 66 (13.95%) Agile
7 58 (12.26%) Computer Science
8 57 (12.05%) Mentoring
9 47 (9.94%) Disaster Recovery
10 43 (9.09%) Continuous Integration
10 43 (9.09%) Open Source
11 40 (8.46%) Prototyping
12 39 (8.25%) ITIL
13 36 (7.61%) Continuous Delivery
14 35 (7.40%) Performance Monitoring
15 34 (7.19%) Change Management
15 34 (7.19%) Collaborative Working
16 33 (6.98%) Roadmaps
17 31 (6.55%) OO
18 28 (5.92%) Microservices
Programming Languages
1 241 (50.95%) SQL
2 196 (41.44%) Python
3 76 (16.07%) Java
4 71 (15.01%) Bash
5 65 (13.74%) PowerShell
6 63 (13.32%) C
7 54 (11.42%) C++
7 54 (11.42%) Shell Script
8 39 (8.25%) JavaScript
9 33 (6.98%) Perl
10 21 (4.44%) C#
10 21 (4.44%) T-SQL
11 17 (3.59%) Go
12 16 (3.38%) Tcl
13 15 (3.17%) Assembly Language
13 15 (3.17%) SystemVerilog
14 14 (2.96%) Fortran
15 10 (2.11%) MATLAB
15 10 (2.11%) PL/SQL
16 8 (1.69%) Groovy
Qualifications
1 75 (15.86%) DBS Check
1 75 (15.86%) Degree
2 71 (15.01%) Security Cleared
3 58 (12.26%) SC Cleared
4 30 (6.34%) DV Cleared
5 20 (4.23%) Computer Science Degree
6 11 (2.33%) Master's Degree
7 10 (2.11%) PhD
8 6 (1.27%) PMI Certification
8 6 (1.27%) PMP
9 5 (1.06%) AWS Certification
9 5 (1.06%) Network+ Certification
9 5 (1.06%) OCA
9 5 (1.06%) OCP
9 5 (1.06%) Oracle Certification
10 4 (0.85%) HND
11 3 (0.63%) ITIL Certification
12 2 (0.42%) AWS Certified DevOps Engineer
12 2 (0.42%) Azure Certification
12 2 (0.42%) OSCP
Quality Assurance & Compliance
1 112 (23.68%) Accessibility
2 16 (3.38%) Data Quality
2 16 (3.38%) Sarbanes-Oxley
3 15 (3.17%) SLA
4 9 (1.90%) QA
5 7 (1.48%) GDPR
6 6 (1.27%) FINRA
6 6 (1.27%) ISO/IEC 27001
7 5 (1.06%) Cyber Essentials
7 5 (1.06%) Cyber Essentials PLUS
7 5 (1.06%) PCI DSS
7 5 (1.06%) PMO
8 1 (0.21%) COBIT
8 1 (0.21%) COSO
8 1 (0.21%) ITGC
8 1 (0.21%) NIST
System Software
1 64 (13.53%) Docker
2 25 (5.29%) Active Directory
3 21 (4.44%) VMware Infrastructure
4 17 (3.59%) Firmware
5 15 (3.17%) Hyper-V
6 14 (2.96%) HDFS
7 6 (1.27%) Virtual Machines
7 6 (1.27%) vSphere
8 5 (1.06%) Embedded Firmware
8 5 (1.06%) Veritas Cluster Server
9 2 (0.42%) KVM
9 2 (0.42%) Postfix
9 2 (0.42%) Sendmail
9 2 (0.42%) VMware ESXi
10 1 (0.21%) LXC
10 1 (0.21%) NFS
10 1 (0.21%) Samba
10 1 (0.21%) vCloud
Systems Management
1 65 (13.74%) Kubernetes
2 53 (11.21%) Terraform
3 25 (5.29%) AWS Copilot
4 23 (4.86%) Ansible
5 20 (4.23%) Grafana
6 15 (3.17%) Istio
7 7 (1.48%) CA Endevor
7 7 (1.48%) Oracle RMAN
8 6 (1.27%) Progress Chef
9 5 (1.06%) Prometheus
9 5 (1.06%) Puppet
9 5 (1.06%) Tivoli Storage Manager
10 2 (0.42%) Nagios
10 2 (0.42%) Nessus
10 2 (0.42%) Single Sign-On
11 1 (0.21%) Argo
11 1 (0.21%) ITRS Geneos
11 1 (0.21%) PowerCLI
11 1 (0.21%) vCenter Server
11 1 (0.21%) vRealize
Vendors
1 85 (17.97%) Oracle
2 75 (15.86%) NEC
3 48 (10.15%) Red Hat
4 30 (6.34%) VMware
5 28 (5.92%) Google
6 22 (4.65%) Microsoft
7 15 (3.17%) Atlassian
7 15 (3.17%) Xilinx
8 14 (2.96%) Veeam
9 13 (2.75%) SAP
9 13 (2.75%) Splunk
10 11 (2.33%) IBM
11 10 (2.11%) Bloomberg
11 10 (2.11%) ION Trading
12 9 (1.90%) CQG
12 9 (1.90%) Dynatrace
12 9 (1.90%) Patsystems
12 9 (1.90%) Reuters
12 9 (1.90%) Trayport
13 8 (1.69%) Sybase