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 18 May 2025, comparing them to the same period in the previous two years.

6 months to
18 May 2025
Same period 2024 Same period 2023
Rank 315 289 194
Rank change year-on-year -26 -95 +2
Permanent jobs citing Unix 540 1,004 1,916
As % of all permanent jobs advertised in the UK 0.96% 1.01% 1.93%
As % of the Operating Systems category 7.32% 7.19% 12.01%
Number of salaries quoted 237 526 969
10th Percentile £32,000 £36,250 £41,250
25th Percentile £46,250 £43,750 £52,991
Median annual salary (50th Percentile) £65,000 £60,000 £69,447
Median % change year-on-year +8.33% -13.60% +11.12%
75th Percentile £82,500 £82,500 £89,852
90th Percentile £93,778 £100,032 £111,500
UK excluding London median annual salary £60,000 £50,000 £57,500
% change year-on-year +20.00% -13.04% +11.65%

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 7,376 13,969 15,950
As % of all permanent jobs advertised in the UK 13.17% 14.00% 16.07%
Number of salaries quoted 4,465 10,730 10,731
10th Percentile £27,250 £26,000 £27,000
25th Percentile £32,500 £31,250 £35,000
Median annual salary (50th Percentile) £45,000 £45,000 £52,500
Median % change year-on-year - -14.29% -
75th Percentile £67,500 £62,500 £71,250
90th Percentile £83,150 £80,000 £92,500
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 18 May 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 18 May 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 +11 471 £65,000 +8.33% 423
Work from Home +121 370 £69,384 +6.74% 223
UK excluding London -79 250 £60,000 +20.00% 250
London +54 191 £75,000 -6.25% 266
South East +41 77 £42,000 -18.84% 103
North of England -46 42 £69,384 +26.15% 46
East of England +61 37 £27,500 -29.03% 31
Wales +12 26 £76,250 +77.72% 5
Scotland -26 26 £60,000 +42.86% 22
North West -46 26 £68,505 +24.55% 20
Midlands +8 21 £60,000 +20.00% 26
South West +40 18 £71,991 +37.13% 13
West Midlands +18 18 £60,000 +20.00% 21
Yorkshire +32 10 £78,810 +37.06% 17
North East +20 6 £69,384 +47.20% 9
Northern Ireland +31 3 £90,000 - 9
East Midlands -3 3 £70,000 +40.00% 5

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 22 (4.07%) Microsoft Exchange
2 19 (3.52%) Apache
2 19 (3.52%) Confluence
3 12 (2.22%) IIS
3 12 (2.22%) Tomcat
4 11 (2.04%) Apache Airflow
4 11 (2.04%) Apache Spark
5 9 (1.67%) SharePoint
6 6 (1.11%) GemFire
7 5 (0.93%) WebSphere
8 3 (0.56%) NetWeaver
9 1 (0.19%) OpenStack
9 1 (0.19%) Oracle SOA Suite
9 1 (0.19%) SAS
9 1 (0.19%) WebLogic
Applications
1 35 (6.48%) Microsoft Office
2 24 (4.44%) Microsoft Excel
3 1 (0.19%) Microsoft Project
Business Applications
1 7 (1.30%) Fidessa
1 7 (1.30%) Oracle EBS
2 6 (1.11%) Oracle Applications
3 3 (0.56%) Oracle Subledger Accounting
3 3 (0.56%) Remedy ITSM
4 2 (0.37%) SAP Oil and Gas
5 1 (0.19%) ION Anvil
5 1 (0.19%) ION MarketView
5 1 (0.19%) Oracle Payables
5 1 (0.19%) Oracle Retail
Cloud Services
1 282 (52.22%) AWS
2 226 (41.85%) Pulumi
3 86 (15.93%) Azure
4 36 (6.67%) GCP
5 24 (4.44%) Microsoft 365
6 18 (3.33%) Cloud Computing
7 15 (2.78%) AWS CloudFormation
8 12 (2.22%) Amazon ECS
8 12 (2.22%) Apigee
8 12 (2.22%) GitHub
8 12 (2.22%) Google Kubernetes Engine
9 11 (2.04%) Amazon ECR
9 11 (2.04%) Amazon ElastiCache
9 11 (2.04%) Amazon OpenSearch
9 11 (2.04%) AWS CodeBuild
9 11 (2.04%) dbt
9 11 (2.04%) SaaS
10 10 (1.85%) Sentry
11 9 (1.67%) Entra ID
11 9 (1.67%) IaaS
Communications & Networking
1 215 (39.81%) Broadband
2 48 (8.89%) TCP/IP
3 30 (5.56%) Firewall
4 29 (5.37%) DNS
5 25 (4.63%) Network Security
6 20 (3.70%) DHCP
7 18 (3.33%) SSL
8 13 (2.41%) DMARC
9 12 (2.22%) Modbus
9 12 (2.22%) MQTT
10 11 (2.04%) WAN
11 9 (1.67%) HTTP
11 9 (1.67%) VLAN
11 9 (1.67%) VPN
12 8 (1.48%) 5G
12 8 (1.48%) SD-WAN
13 7 (1.30%) FIX Connectivity
13 7 (1.30%) LAN
14 6 (1.11%) Internet
15 5 (0.93%) FTP
Database & Business Intelligence
1 265 (49.07%) Relational Database
2 245 (45.37%) NoSQL
3 242 (44.81%) RDBMS
4 59 (10.93%) PostgreSQL
5 52 (9.63%) SQL Server
6 19 (3.52%) Oracle Reports
7 18 (3.33%) Redis
8 17 (3.15%) MongoDB
9 14 (2.59%) Amazon RDS
9 14 (2.59%) Elasticsearch
10 12 (2.22%) Oracle Database
11 11 (2.04%) DB2
12 10 (1.85%) Hadoop
13 9 (1.67%) Data Warehouse
14 7 (1.30%) Apache Iceberg
14 7 (1.30%) Big Data
14 7 (1.30%) Delta Lake
14 7 (1.30%) MySQL
14 7 (1.30%) Oracle Exadata
14 7 (1.30%) SAP HANA
Development Applications
1 215 (39.81%) Jaeger
2 55 (10.19%) Git
3 38 (7.04%) Jenkins
4 28 (5.19%) JIRA
5 17 (3.15%) Maven
6 16 (2.96%) JUnit
7 14 (2.59%) SonarQube
8 12 (2.22%) Sonatype Nexus
9 9 (1.67%) Bitbucket
10 8 (1.48%) Subversion
11 7 (1.30%) Oracle Forms
12 4 (0.74%) LabVIEW
13 3 (0.56%) Atlassian Bamboo
13 3 (0.56%) GitLab
13 3 (0.56%) IBM UrbanCode
13 3 (0.56%) JMeter
13 3 (0.56%) SoapUI
14 2 (0.37%) Postman
14 2 (0.37%) REST Assured
14 2 (0.37%) Spinnaker
General
1 241 (44.63%) Inclusion and Diversity
2 143 (26.48%) Social Skills
3 107 (19.81%) Finance
4 67 (12.41%) Banking
5 55 (10.19%) Analytical Skills
6 24 (4.44%) Presentation Skills
7 19 (3.52%) Front Office
8 12 (2.22%) Law
9 10 (1.85%) Investment Banking
10 9 (1.67%) Telecoms
11 8 (1.48%) Back Office
11 8 (1.48%) Czech Language
11 8 (1.48%) Organisational Skills
11 8 (1.48%) Retail
12 6 (1.11%) Billing
12 6 (1.11%) Public Sector
13 5 (0.93%) Advertising
13 5 (0.93%) Electronics
13 5 (0.93%) Financial Institution
14 4 (0.74%) Legal
Job Titles
1 250 (46.30%) Lead
2 229 (42.41%) Team Leader
3 77 (14.26%) Senior
4 54 (10.00%) Analyst
5 39 (7.22%) Software Engineer
6 38 (7.04%) Support Analyst
7 35 (6.48%) Developer
8 23 (4.26%) Applications Support
9 21 (3.89%) Senior Software Engineer
10 20 (3.70%) Administrator
11 16 (2.96%) Data Engineer
12 15 (2.78%) Unix Support
13 14 (2.59%) IT Support
13 14 (2.59%) Linux Support
14 13 (2.41%) Infrastructure Engineer
14 13 (2.41%) SQL Analyst
14 13 (2.41%) SQL Support Analyst
15 12 (2.22%) DevOps Engineer
15 12 (2.22%) Lead Developer
15 12 (2.22%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 222 (41.11%) Elastic Stack
2 215 (39.81%) OpenTelemetry
3 29 (5.37%) .NET
4 21 (3.89%) Spring
5 20 (3.70%) FIX Protocol
5 20 (3.70%) Kafka
6 18 (3.33%) REST
7 17 (3.15%) Middleware
7 17 (3.15%) Spring Boot
8 16 (2.96%) SOAP
8 16 (2.96%) XML
9 15 (2.78%) Hibernate
9 15 (2.78%) RESTful
10 12 (2.22%) HTML
11 11 (2.04%) Django
11 11 (2.04%) JSON
12 8 (1.48%) PySpark
13 7 (1.30%) Oracle Fusion
13 7 (1.30%) Oracle GoldenGate
13 7 (1.30%) PyArrow
Miscellaneous
1 24 (4.44%) Self-Motivation
2 22 (4.07%) IoT
3 21 (3.89%) Management Information System
4 20 (3.70%) Algorithms
5 16 (2.96%) Derivative
5 16 (2.96%) Equities
6 13 (2.41%) Clustering
6 13 (2.41%) Fixed Income
7 12 (2.22%) Device Driver
7 12 (2.22%) Distributed Systems
7 12 (2.22%) Foreign Exchange (FX)
8 11 (2.04%) Linux Command Line
8 11 (2.04%) Onboarding
9 10 (1.85%) Data Centre
9 10 (1.85%) Self-Driving Car
10 8 (1.48%) Enterprise Software
11 7 (1.30%) Equity Derivative
12 6 (1.11%) Data Protection Act
12 6 (1.11%) Eurex
12 6 (1.11%) Reference Data
Operating Systems
1 467 (86.48%) Linux
2 116 (21.48%) Windows
3 21 (3.89%) Red Hat Enterprise Linux
4 20 (3.70%) Windows Server
5 14 (2.59%) CentOS
5 14 (2.59%) Solaris
6 12 (2.22%) AIX
7 9 (1.67%) Rocky
8 7 (1.30%) zOS
9 6 (1.11%) Ubuntu
10 5 (0.93%) Mac OS
10 5 (0.93%) VMS
11 2 (0.37%) Embedded Linux
11 2 (0.37%) Oracle Linux
11 2 (0.37%) Windows Server 2008
11 2 (0.37%) Windows Server 2019
12 1 (0.19%) Amazon Linux
12 1 (0.19%) Debian
Processes & Methodologies
1 295 (54.63%) DevOps
2 283 (52.41%) Agile
3 246 (45.56%) Mentoring
4 243 (45.00%) Roadmaps
5 241 (44.63%) Infrastructure as Code
6 239 (44.26%) Continuous Integration
7 230 (42.59%) Task Automation
8 226 (41.85%) Containerisation
9 224 (41.48%) High Availability
10 217 (40.19%) Performance Optimisation
10 217 (40.19%) Resource Management
11 216 (40.00%) Cost Optimisation
11 216 (40.00%) Product Management
12 215 (39.81%) Budget Control
12 215 (39.81%) GitOps
13 119 (22.04%) Problem-Solving
14 80 (14.81%) CI/CD
15 52 (9.63%) Software Engineering
16 46 (8.52%) Computer Science
17 36 (6.67%) Disaster Recovery
Programming Languages
1 347 (64.26%) Python
2 288 (53.33%) Java
3 269 (49.81%) Bash
4 256 (47.41%) JavaScript
5 233 (43.15%) Go
6 169 (31.30%) SQL
7 50 (9.26%) PowerShell
8 42 (7.78%) C++
9 38 (7.04%) Shell Script
10 37 (6.85%) C
11 24 (4.44%) C#
12 22 (4.07%) Perl
13 20 (3.70%) T-SQL
14 14 (2.59%) PL/SQL
15 10 (1.85%) Fortran
16 9 (1.67%) VBA
17 7 (1.30%) MATLAB
17 7 (1.30%) PHP
18 5 (0.93%) Groovy
18 5 (0.93%) TypeScript
Qualifications
1 222 (41.11%) AWS Certification
2 51 (9.44%) Degree
3 37 (6.85%) Security Cleared
4 29 (5.37%) SC Cleared
5 13 (2.41%) Computer Science Degree
6 12 (2.22%) DV Cleared
7 11 (2.04%) Master's Degree
8 10 (1.85%) PhD
9 5 (0.93%) Azure Certification
9 5 (0.93%) OCA
9 5 (0.93%) OCP
9 5 (0.93%) Oracle Certification
10 4 (0.74%) HND
10 4 (0.74%) ITIL Certification
10 4 (0.74%) Microsoft Certification
10 4 (0.74%) RHCE
11 3 (0.56%) AWS Certified DevOps Engineer
11 3 (0.56%) Numerate Degree
12 2 (0.37%) PMI Certification
12 2 (0.37%) PMP
Quality Assurance & Compliance
1 16 (2.96%) Accessibility
2 11 (2.04%) SLA
3 10 (1.85%) Data Quality
3 10 (1.85%) Sarbanes-Oxley
4 9 (1.67%) ISO/IEC 27001
4 9 (1.67%) QA
5 4 (0.74%) FINRA
6 3 (0.56%) GDPR
7 2 (0.37%) Cyber Essentials
8 1 (0.19%) Cyber Essentials PLUS
8 1 (0.19%) ITGC
8 1 (0.19%) NIST
8 1 (0.19%) PCI DSS
8 1 (0.19%) Software Quality Assurance
System Software
1 256 (47.41%) Docker
2 28 (5.19%) Active Directory
3 17 (3.15%) Firmware
4 16 (2.96%) VMware Infrastructure
5 12 (2.22%) Hyper-V
6 9 (1.67%) HDFS
7 5 (0.93%) Embedded Firmware
7 5 (0.93%) Veritas Cluster Server
8 4 (0.74%) KVM
9 3 (0.56%) Virtual Machines
10 2 (0.37%) Postfix
10 2 (0.37%) Sendmail
10 2 (0.37%) VMware ESXi
10 2 (0.37%) vSphere
10 2 (0.37%) Xen
11 1 (0.19%) Apache Flume
11 1 (0.19%) LXC
11 1 (0.19%) NFS
11 1 (0.19%) Samba
11 1 (0.19%) vCloud
Systems Management
1 257 (47.59%) Kubernetes
2 254 (47.04%) Terraform
3 244 (45.19%) Ansible
4 224 (41.48%) Prometheus
5 216 (40.00%) Argo
5 216 (40.00%) Kustomize
6 28 (5.19%) Grafana
7 15 (2.78%) Microsoft Intune
8 12 (2.22%) Istio
9 11 (2.04%) AWS Copilot
10 10 (1.85%) Single Sign-On
11 9 (1.67%) Progress Chef
12 7 (1.30%) Oracle RMAN
13 6 (1.11%) Puppet
14 3 (0.56%) CA Endevor
14 3 (0.56%) SCCM
14 3 (0.56%) Tivoli Storage Manager
15 2 (0.37%) FortiGate
15 2 (0.37%) Nagios
15 2 (0.37%) Nessus
Vendors
1 230 (42.59%) Google
2 92 (17.04%) Oracle
3 44 (8.15%) Microsoft
4 38 (7.04%) Red Hat
5 23 (4.26%) VMware
6 13 (2.41%) Splunk
7 12 (2.22%) SAP
8 10 (1.85%) Atlassian
8 10 (1.85%) Dynatrace
9 9 (1.67%) IBM
10 7 (1.30%) Bloomberg
10 7 (1.30%) ION Trading
10 7 (1.30%) Sybase
11 6 (1.11%) CQG
11 6 (1.11%) Patsystems
11 6 (1.11%) Reuters
11 6 (1.11%) Symantec
11 6 (1.11%) TIBCO
11 6 (1.11%) Trayport
11 6 (1.11%) Veeam