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 2 July 2025, comparing them to the same period in the previous two years.

6 months to
2 Jul 2025
Same period 2024 Same period 2023
Rank 297 314 190
Rank change year-on-year +17 -124 0
Permanent jobs citing Unix 574 938 1,741
As % of all permanent jobs advertised in the UK 0.98% 0.87% 1.95%
As % of the Operating Systems category 7.91% 6.61% 11.80%
Number of salaries quoted 247 481 893
10th Percentile £32,000 £35,000 £40,300
25th Percentile £41,250 £42,500 £52,500
Median annual salary (50th Percentile) £65,000 £58,000 £65,351
Median % change year-on-year +12.07% -11.25% +0.54%
75th Percentile £80,000 £78,750 £88,750
90th Percentile £87,500 £96,250 £107,250
UK excluding London median annual salary £55,565 £50,000 £57,325
% change year-on-year +11.13% -12.78% +4.23%

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 7,260 14,180 14,752
As % of all permanent jobs advertised in the UK 12.42% 13.13% 16.53%
Number of salaries quoted 4,503 10,642 10,136
10th Percentile £27,000 £26,000 £27,000
25th Percentile £32,000 £31,250 £35,000
Median annual salary (50th Percentile) £43,000 £45,500 £52,500
Median % change year-on-year -5.49% -13.33% -
75th Percentile £65,000 £62,500 £71,000
90th Percentile £81,050 £80,000 £90,000
UK excluding London median annual salary £40,000 £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 2 July 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 2 July 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 +32 507 £65,000 +8.33% 1,058
Work from Home +137 353 £69,384 +10.51% 380
UK excluding London -46 272 £55,565 +11.13% 437
London +59 206 £77,500 -6.06% 698
South East +41 85 £41,500 -20.95% 114
North of England -30 44 £67,626 +37.24% 74
East of England +50 40 £27,500 -46.60% 64
Midlands +46 37 £65,000 +30.00% 49
West Midlands +58 29 £65,000 -0.71% 31
Wales +26 27 £76,250 +69.44% 19
Scotland -27 26 £55,000 +30.95% 48
North West -21 25 £69,384 +32.16% 37
South West +46 12 £78,810 +50.11% 50
Yorkshire +28 10 £62,500 +78.57% 28
North East +35 9 £60,000 +20.00% 9
East Midlands +29 8 £64,000 +28.00% 18
Northern Ireland +35 2 - - 25

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 32 (5.57%) Apache Spark
2 23 (4.01%) Microsoft Exchange
3 13 (2.26%) Apache
4 12 (2.09%) Confluence
4 12 (2.09%) IIS
4 12 (2.09%) SharePoint
5 11 (1.92%) Tomcat
6 9 (1.57%) Apache Airflow
7 6 (1.05%) GemFire
8 5 (0.87%) WebSphere
9 3 (0.52%) SAS
10 1 (0.17%) JBoss
10 1 (0.17%) OpenStack
10 1 (0.17%) Oracle SOA Suite
10 1 (0.17%) WebLogic
Applications
1 34 (5.92%) Microsoft Office
2 23 (4.01%) Microsoft Excel
3 1 (0.17%) Microsoft Project
Business Applications
1 5 (0.87%) Fidessa
1 5 (0.87%) Oracle EBS
2 4 (0.70%) Oracle Applications
3 2 (0.35%) Remedy ITSM
4 1 (0.17%) ION MarketView
Cloud Services
1 319 (55.57%) AWS
2 226 (39.37%) Pulumi
3 106 (18.47%) Azure
4 31 (5.40%) GCP
5 24 (4.18%) Microsoft 365
6 22 (3.83%) Amazon S3
7 20 (3.48%) Amazon EKS
8 19 (3.31%) Amazon ELB
9 17 (2.96%) AWS CloudFormation
9 17 (2.96%) Cloud Computing
10 15 (2.61%) Entra ID
11 13 (2.26%) SaaS
12 12 (2.09%) Amazon ECS
13 11 (1.92%) Amazon ECR
13 11 (1.92%) Amazon ElastiCache
13 11 (1.92%) Amazon OpenSearch
13 11 (1.92%) Apigee
13 11 (1.92%) AWS CodeBuild
13 11 (1.92%) dbt
13 11 (1.92%) Google Kubernetes Engine
Communications & Networking
1 215 (37.46%) Broadband
2 55 (9.58%) TCP/IP
3 34 (5.92%) Firewall
4 26 (4.53%) DNS
5 24 (4.18%) Network Security
6 20 (3.48%) DHCP
7 15 (2.61%) SSL
8 14 (2.44%) DMARC
8 14 (2.44%) Modbus
8 14 (2.44%) MQTT
9 13 (2.26%) VPN
10 7 (1.22%) WAN
11 6 (1.05%) Internet
11 6 (1.05%) SAN
12 5 (0.87%) 5G
12 5 (0.87%) DKIM
12 5 (0.87%) FIX Connectivity
12 5 (0.87%) HTTP
12 5 (0.87%) SD-WAN
12 5 (0.87%) Wi-Fi
Database & Business Intelligence
1 271 (47.21%) Relational Database
2 243 (42.33%) NoSQL
3 240 (41.81%) RDBMS
4 58 (10.10%) PostgreSQL
5 46 (8.01%) SQL Server
6 24 (4.18%) Metadata
7 23 (4.01%) Delta Lake
8 22 (3.83%) Spark SQL
9 20 (3.48%) DynamoDB
10 19 (3.31%) Redis
11 16 (2.79%) MongoDB
12 15 (2.61%) Amazon RDS
12 15 (2.61%) MySQL
13 13 (2.26%) Elasticsearch
14 12 (2.09%) Hadoop
14 12 (2.09%) Oracle Reports
15 11 (1.92%) Big Data
15 11 (1.92%) DB2
16 10 (1.74%) Oracle Database
17 9 (1.57%) HBase
Development Applications
1 215 (37.46%) Jaeger
2 56 (9.76%) Git
3 32 (5.57%) Jenkins
4 24 (4.18%) JIRA
5 22 (3.83%) Maven
6 19 (3.31%) MLflow
7 17 (2.96%) JUnit
8 14 (2.44%) SonarQube
9 12 (2.09%) Sonatype Nexus
10 7 (1.22%) Bitbucket
10 7 (1.22%) Subversion
11 6 (1.05%) Gradle
12 4 (0.70%) Atlassian Bamboo
12 4 (0.70%) SoapUI
13 3 (0.52%) JMeter
13 3 (0.52%) Mockito
13 3 (0.52%) Postman
13 3 (0.52%) REST Assured
13 3 (0.52%) Xcode
13 3 (0.52%) XCTest
General
1 263 (45.82%) Inclusion and Diversity
2 166 (28.92%) Social Skills
3 120 (20.91%) Finance
4 61 (10.63%) Banking
5 49 (8.54%) Analytical Skills
6 31 (5.40%) Law
7 22 (3.83%) Front Office
8 17 (2.96%) Presentation Skills
9 15 (2.61%) Marketing
10 12 (2.09%) Public Sector
11 10 (1.74%) Organisational Skills
12 9 (1.57%) Czech Language
13 8 (1.39%) Telecoms
14 7 (1.22%) Investment Banking
15 6 (1.05%) Billing
16 5 (0.87%) Advertising
16 5 (0.87%) Financial Institution
17 4 (0.70%) Legal
17 4 (0.70%) Spanish Language
18 3 (0.52%) Automotive
Job Titles
1 264 (45.99%) Lead
2 229 (39.90%) Team Leader
3 87 (15.16%) Senior
4 52 (9.06%) Software Engineer
5 49 (8.54%) Analyst
6 45 (7.84%) Developer
7 34 (5.92%) Support Analyst
8 27 (4.70%) Senior Software Engineer
9 23 (4.01%) Applications Support
10 22 (3.83%) Administrator
11 21 (3.66%) Lead Software Engineer
12 20 (3.48%) Machine Learning Engineer
13 19 (3.31%) IT Support
13 19 (3.31%) Operations Engineer
14 18 (3.14%) Infrastructure Engineer
15 17 (2.96%) Consultant
16 16 (2.79%) Lead Developer
17 14 (2.44%) Linux Support
18 13 (2.26%) Java Developer
18 13 (2.26%) Software Developer
Libraries, Frameworks & Software Standards
1 224 (39.02%) Elastic Stack
2 215 (37.46%) OpenTelemetry
3 34 (5.92%) REST
4 27 (4.70%) .NET
4 27 (4.70%) FIX Protocol
4 27 (4.70%) PySpark
4 27 (4.70%) Spring
5 20 (3.48%) Kafka
5 20 (3.48%) YAML
6 19 (3.31%) Keras
6 19 (3.31%) Lambda Expressions
6 19 (3.31%) Metaflow
6 19 (3.31%) NumPy
6 19 (3.31%) Pandas
6 19 (3.31%) PyTorch
6 19 (3.31%) scikit-learn
6 19 (3.31%) TensorFlow
7 17 (2.96%) SOAP
7 17 (2.96%) Spring Boot
8 15 (2.61%) Hibernate
Miscellaneous
1 28 (4.88%) Linux Command Line
2 25 (4.36%) Algorithms
2 25 (4.36%) IoT
3 22 (3.83%) Self-Motivation
4 20 (3.48%) Equities
5 15 (2.61%) Derivative
5 15 (2.61%) Onboarding
5 15 (2.61%) Product Ownership
6 14 (2.44%) Device Driver
7 13 (2.26%) Distributed Systems
7 13 (2.26%) Fixed Income
8 12 (2.09%) Data Centre
8 12 (2.09%) Data Structures
9 11 (1.92%) Foreign Exchange (FX)
10 10 (1.74%) Clustering
10 10 (1.74%) Management Information System
10 10 (1.74%) Public Cloud
11 9 (1.57%) Driving Licence
11 9 (1.57%) Enterprise Software
12 8 (1.39%) Private Cloud
Operating Systems
1 456 (79.44%) Linux
2 114 (19.86%) Windows
3 26 (4.53%) Windows Server
4 20 (3.48%) Red Hat Enterprise Linux
5 19 (3.31%) CentOS
6 18 (3.14%) Solaris
7 9 (1.57%) Rocky
8 8 (1.39%) Mac OS
9 7 (1.22%) AIX
10 5 (0.87%) HPUX
10 5 (0.87%) Ubuntu
10 5 (0.87%) VMS
10 5 (0.87%) zOS
11 4 (0.70%) Apple iOS
11 4 (0.70%) Oracle Linux
12 2 (0.35%) Embedded Linux
13 1 (0.17%) Amazon Linux
13 1 (0.17%) Debian
Processes & Methodologies
1 307 (53.48%) Agile
2 284 (49.48%) DevOps
3 249 (43.38%) Continuous Integration
4 248 (43.21%) Mentoring
5 243 (42.33%) Roadmaps
6 242 (42.16%) Containerisation
7 237 (41.29%) Infrastructure as Code
8 229 (39.90%) High Availability
9 228 (39.72%) Task Automation
10 218 (37.98%) Performance Optimisation
11 217 (37.80%) Resource Management
12 216 (37.63%) Product Management
13 215 (37.46%) Budget Control
13 215 (37.46%) Cost Optimisation
13 215 (37.46%) GitOps
14 136 (23.69%) Problem-Solving
15 106 (18.47%) CI/CD
16 73 (12.72%) Software Engineering
17 46 (8.01%) SDLC
18 40 (6.97%) TDD
Programming Languages
1 360 (62.72%) Python
2 291 (50.70%) Java
3 265 (46.17%) Bash
4 250 (43.55%) JavaScript
5 233 (40.59%) Go
6 184 (32.06%) SQL
7 43 (7.49%) C++
8 41 (7.14%) Shell Script
9 39 (6.79%) PowerShell
10 33 (5.75%) C
11 28 (4.88%) C#
12 17 (2.96%) Perl
12 17 (2.96%) PL/SQL
13 13 (2.26%) TypeScript
14 12 (2.09%) T-SQL
15 10 (1.74%) VBA
16 8 (1.39%) Fortran
17 6 (1.05%) Groovy
18 4 (0.70%) ABAP
18 4 (0.70%) MATLAB
Qualifications
1 224 (39.02%) AWS Certification
2 54 (9.41%) Degree
3 41 (7.14%) Security Cleared
4 33 (5.75%) SC Cleared
5 11 (1.92%) Computer Science Degree
5 11 (1.92%) DV Cleared
6 8 (1.39%) Master's Degree
6 8 (1.39%) PhD
7 7 (1.22%) Azure Certification
7 7 (1.22%) Network+ Certification
7 7 (1.22%) RHCE
8 5 (0.87%) CISA
9 4 (0.70%) ITIL Certification
9 4 (0.70%) OCA
9 4 (0.70%) OCP
9 4 (0.70%) Oracle Certification
10 3 (0.52%) AWS Certified DevOps Engineer
10 3 (0.52%) Microsoft Certification
10 3 (0.52%) Numerate Degree
11 2 (0.35%) CCNA
Quality Assurance & Compliance
1 13 (2.26%) ISO/IEC 27001
2 10 (1.74%) Accessibility
3 9 (1.57%) QA
3 9 (1.57%) SLA
4 8 (1.39%) Data Quality
5 6 (1.05%) Sarbanes-Oxley
6 5 (0.87%) Cyber Essentials
6 5 (0.87%) ITGC
7 4 (0.70%) Cyber Essentials PLUS
8 1 (0.17%) GDPR
8 1 (0.17%) NIST
8 1 (0.17%) Software Quality Assurance
System Software
1 281 (48.95%) Docker
2 34 (5.92%) Active Directory
3 19 (3.31%) Firmware
3 19 (3.31%) VMware Infrastructure
4 13 (2.26%) HDFS
5 12 (2.09%) Hyper-V
6 5 (0.87%) Embedded Firmware
6 5 (0.87%) Veritas Cluster Server
7 3 (0.52%) Apache Flume
7 3 (0.52%) Virtual Machines
8 2 (0.35%) KVM
8 2 (0.35%) VMware ESXi
8 2 (0.35%) Xen
9 1 (0.17%) NFS
9 1 (0.17%) vCloud
9 1 (0.17%) Virtual Desktop
9 1 (0.17%) vSphere
9 1 (0.17%) XenApp
9 1 (0.17%) XenDesktop
Systems Management
1 274 (47.74%) Terraform
2 269 (46.86%) Kubernetes
3 251 (43.73%) Ansible
4 225 (39.20%) Prometheus
5 216 (37.63%) Argo
5 216 (37.63%) Kustomize
6 36 (6.27%) Grafana
7 27 (4.70%) Microsoft Intune
8 19 (3.31%) Kubeflow
9 11 (1.92%) AWS Copilot
9 11 (1.92%) Istio
9 11 (1.92%) Single Sign-On
10 9 (1.57%) Progress Chef
11 8 (1.39%) FortiGate
11 8 (1.39%) SCCM
12 5 (0.87%) Oracle RMAN
12 5 (0.87%) Puppet
13 4 (0.70%) Kibana
13 4 (0.70%) logstash
14 3 (0.52%) Oozie
Vendors
1 238 (41.46%) Google
2 88 (15.33%) Oracle
3 68 (11.85%) Microsoft
4 32 (5.57%) Red Hat
5 29 (5.05%) VMware
6 27 (4.70%) Databricks
7 15 (2.61%) Atlassian
8 14 (2.44%) Splunk
9 13 (2.26%) SAP
10 11 (1.92%) Dynatrace
11 10 (1.74%) Cisco
12 9 (1.57%) Apple
13 7 (1.22%) Fortinet
13 7 (1.22%) Sybase
14 6 (1.05%) Bloomberg
14 6 (1.05%) ION Trading
14 6 (1.05%) TIBCO
15 5 (0.87%) Informatica
15 5 (0.87%) Reuters
15 5 (0.87%) Symantec