Unix Job Trends

Unix
UK

The table below provides summary statistics and salary benchmarking for jobs requiring Unix skills. It covers vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 380 298 193
Rank change year-on-year -82 -105 +7
Permanent jobs citing Unix 325 725 1,083
As % of all permanent jobs advertised in the UK 0.66% 0.93% 1.80%
As % of the Operating Systems category 5.05% 7.38% 10.61%
Number of salaries quoted 202 329 762
10th Percentile £32,000 £35,520 £41,250
25th Percentile £41,250 £47,500 £51,000
Median annual salary (50th Percentile) £62,500 £60,000 £65,000
Median % change year-on-year +4.17% -7.69% +4.00%
75th Percentile £81,938 £80,000 £84,056
90th Percentile £90,000 £95,000 £97,500
UK excluding London median annual salary £43,710 £52,500 £56,750
% change year-on-year -16.74% -7.49% +8.10%

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 6,431 9,830 10,205
As % of all permanent jobs advertised in the UK 13.00% 12.59% 16.93%
Number of salaries quoted 4,156 6,072 8,251
10th Percentile £27,000 £27,500 £27,500
25th Percentile £31,250 £36,250 £35,000
Median annual salary (50th Percentile) £42,000 £50,000 £52,500
Median % change year-on-year -16.00% -4.76% -
75th Percentile £63,750 £66,781 £71,250
90th Percentile £81,250 £85,000 £90,000
UK excluding London median annual salary £38,325 £45,000 £46,500
% change year-on-year -14.83% -3.23% +3.33%

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

Salary distribution trend for jobs in the UK citing Unix.

Salary distribution trend for jobs in the UK citing Unix

Unix
Salary Histogram

Salary distribution for jobs citing Unix over the 6 months to 18 September 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 September 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 -80 290 £65,000 +8.33% 189
UK excluding London -71 180 £43,710 -16.74% 161
Work from Home +11 143 £70,000 +1.00% 71
London -21 139 £80,000 +6.67% 67
South East +13 50 £41,500 -13.54% 47
South West +44 30 £78,810 +21.25% 20
East of England -4 28 £42,500 -19.05% 14
North of England -54 22 £57,500 +15.00% 36
Midlands -3 21 £70,000 +22.81% 29
Scotland -25 18 £37,500 -21.05% 14
West Midlands +11 14 £75,000 -14.29% 16
Yorkshire +7 11 £62,500 +56.25% 10
Wales +19 10 £50,500 +1.71% 4
East Midlands +14 7 £58,000 +10.48% 11
North West -43 7 £40,000 -20.00% 24
North East +16 4 £47,500 -5.00% 2
Northern Ireland +18 2 - - 1

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 30 (9.23%) Apache Spark
2 25 (7.69%) Microsoft Exchange
3 20 (6.15%) Tomcat
4 14 (4.31%) WebSphere
5 13 (4.00%) IIS
6 12 (3.69%) SharePoint
7 9 (2.77%) WebSphere Application Server
8 8 (2.46%) Apache
9 5 (1.54%) nginx
10 4 (1.23%) Oracle Workflow
11 3 (0.92%) Apache Airflow
11 3 (0.92%) Confluence
11 3 (0.92%) Exchange Server 2003
11 3 (0.92%) SAS
12 2 (0.62%) JBoss
13 1 (0.31%) GemFire
13 1 (0.31%) Oracle SOA Suite
Applications
1 28 (8.62%) Microsoft Office
2 15 (4.62%) Microsoft Excel
Business Applications
1 4 (1.23%) NEC Housing
2 2 (0.62%) Fidessa
3 1 (0.31%) ION MarketView
3 1 (0.31%) Oracle Applications
3 1 (0.31%) Oracle EBS
Cloud Services
1 101 (31.08%) AWS
2 75 (23.08%) Azure
3 28 (8.62%) Amazon S3
3 28 (8.62%) Microsoft 365
4 26 (8.00%) Amazon EKS
5 22 (6.77%) GCP
6 19 (5.85%) Amazon ELB
7 18 (5.54%) Entra ID
8 17 (5.23%) SaaS
9 13 (4.00%) Amazon EC2
9 13 (4.00%) AWS CloudFormation
10 12 (3.69%) Serverless
11 11 (3.38%) AWS Lambda
12 9 (2.77%) Apigee
12 9 (2.77%) Google Kubernetes Engine
12 9 (2.77%) Microsoft Copilot
12 9 (2.77%) Power Automate
13 8 (2.46%) Cohesity
14 7 (2.15%) Power Platform
14 7 (2.15%) Virtual Private Cloud
Communications & Networking
1 30 (9.23%) Firewall
2 27 (8.31%) SSL
3 22 (6.77%) TCP/IP
4 15 (4.62%) DNS
5 14 (4.31%) DHCP
5 14 (4.31%) DMARC
6 12 (3.69%) SAN
6 12 (3.69%) VPN
7 11 (3.38%) Wi-Fi
8 6 (1.85%) Modbus
8 6 (1.85%) MQTT
8 6 (1.85%) Network Security
8 6 (1.85%) Wireshark
9 5 (1.54%) DKIM
9 5 (1.54%) HTTP
9 5 (1.54%) HTTPS
9 5 (1.54%) Reverse Proxy
9 5 (1.54%) WAN
10 4 (1.23%) Broadband
10 4 (1.23%) LAN
Database & Business Intelligence
1 37 (11.38%) SQL Server
2 33 (10.15%) Relational Database
3 32 (9.85%) PostgreSQL
4 26 (8.00%) Metadata
5 22 (6.77%) Spark SQL
6 21 (6.46%) DynamoDB
7 20 (6.15%) NoSQL
8 19 (5.85%) Delta Lake
8 19 (5.85%) MySQL
9 13 (4.00%) Big Data
9 13 (4.00%) Oracle Database
10 12 (3.69%) DB2
11 9 (2.77%) Apache Hive
11 9 (2.77%) HBase
12 8 (2.46%) Hadoop
12 8 (2.46%) RDBMS
13 7 (2.15%) BigQuery
13 7 (2.15%) BusinessObjects
13 7 (2.15%) Power BI
13 7 (2.15%) Tableau
Development Applications
1 39 (12.00%) Git
2 24 (7.38%) Jenkins
3 20 (6.15%) Maven
4 19 (5.85%) MLflow
5 16 (4.92%) JUnit
6 13 (4.00%) JIRA
7 11 (3.38%) SonarQube
7 11 (3.38%) Sonatype Nexus
8 7 (2.15%) Gradle
9 4 (1.23%) Toad
10 3 (0.92%) Cypress.io
10 3 (0.92%) Postman
10 3 (0.92%) SoapUI
10 3 (0.92%) Xcode
11 2 (0.62%) Bitbucket
11 2 (0.62%) Browser DevTools
11 2 (0.62%) CircleCI
11 2 (0.62%) Jaeger
11 2 (0.62%) REST Assured
11 2 (0.62%) webpack
General
1 122 (37.54%) Finance
2 110 (33.85%) Social Skills
3 50 (15.38%) Banking
4 31 (9.54%) Inclusion and Diversity
5 30 (9.23%) Analytical Skills
6 27 (8.31%) Law
7 18 (5.54%) Front Office
8 16 (4.92%) Public Sector
9 15 (4.62%) Marketing
10 11 (3.38%) Organisational Skills
10 11 (3.38%) Presentation Skills
11 9 (2.77%) Czech Language
11 9 (2.77%) Investment Banking
12 7 (2.15%) Telecoms
13 4 (1.23%) Local Government
14 3 (0.92%) Advertising
14 3 (0.92%) Financial Institution
15 2 (0.62%) Aerospace
15 2 (0.62%) Electronics
15 2 (0.62%) Legal
Job Titles
1 65 (20.00%) Senior
2 44 (13.54%) Administrator
3 36 (11.08%) Developer
4 32 (9.85%) Software Engineer
5 31 (9.54%) Applications Support
6 28 (8.62%) Lead
7 24 (7.38%) Analyst
8 23 (7.08%) Systems Administrator
9 22 (6.77%) Support Engineer
10 21 (6.46%) Machine Learning Engineer
11 19 (5.85%) Linux Support
11 19 (5.85%) Operations Engineer
11 19 (5.85%) Senior Software Engineer
12 18 (5.54%) IT Support
13 17 (5.23%) Infrastructure Engineer
13 17 (5.23%) Support Analyst
14 15 (4.62%) Consultant
14 15 (4.62%) Linux Engineer
15 13 (4.00%) Infrastructure Support
16 12 (3.69%) Senior Developer
Libraries, Frameworks & Software Standards
1 31 (9.54%) REST
2 23 (7.08%) PySpark
3 21 (6.46%) NumPy
3 21 (6.46%) Pandas
3 21 (6.46%) PyTorch
3 21 (6.46%) TensorFlow
4 20 (6.15%) Spring
5 19 (5.85%) Keras
5 19 (5.85%) Lambda Expressions
5 19 (5.85%) Metaflow
5 19 (5.85%) scikit-learn
5 19 (5.85%) YAML
6 16 (4.92%) FIX Protocol
7 15 (4.62%) Spring Boot
8 14 (4.31%) React
8 14 (4.31%) SOAP
9 13 (4.00%) JSON
9 13 (4.00%) OAuth
9 13 (4.00%) XML
10 11 (3.38%) WebSphere MQ
Miscellaneous
1 40 (12.31%) Linux Command Line
2 22 (6.77%) e-Learning
3 17 (5.23%) Self-Motivation
4 14 (4.31%) Product Ownership
5 12 (3.69%) Algorithms
6 11 (3.38%) Onboarding
7 10 (3.08%) Public Cloud
8 9 (2.77%) Data Structures
8 9 (2.77%) Driving Licence
8 9 (2.77%) Enterprise Software
8 9 (2.77%) PKI
9 8 (2.46%) Data Centre
9 8 (2.46%) Management Information System
9 8 (2.46%) Private Cloud
10 7 (2.15%) Equities
10 7 (2.15%) Hybrid Cloud
10 7 (2.15%) IoT
11 6 (1.85%) Cyber Kill Chain
11 6 (1.85%) Device Driver
11 6 (1.85%) Foreign Exchange (FX)
Operating Systems
1 215 (66.15%) Linux
2 93 (28.62%) Windows
3 31 (9.54%) Solaris
4 27 (8.31%) Red Hat Enterprise Linux
5 26 (8.00%) Windows Server
6 14 (4.31%) CentOS
7 12 (3.69%) Mac OS
8 9 (2.77%) Debian
9 7 (2.15%) AIX
9 7 (2.15%) HPUX
10 5 (1.54%) VMS
11 4 (1.23%) Apple iOS
11 4 (1.23%) Oracle Linux
12 3 (0.92%) Windows Server 2003
13 2 (0.62%) Ubuntu
14 1 (0.31%) Android
14 1 (0.31%) CoreOS
14 1 (0.31%) Rocky
14 1 (0.31%) Windows Server 2016
14 1 (0.31%) Windows Server 2019
Processes & Methodologies
1 82 (25.23%) Problem-Solving
2 69 (21.23%) Agile
3 67 (20.62%) CI/CD
4 56 (17.23%) Software Engineering
5 48 (14.77%) SDLC
6 45 (13.85%) DevOps
7 42 (12.92%) High Availability
8 35 (10.77%) Machine Learning
8 35 (10.77%) Test Automation
9 34 (10.46%) Artificial Intelligence
10 33 (10.15%) ITIL
10 33 (10.15%) OO
11 32 (9.85%) TDD
12 30 (9.23%) Cybersecurity
13 29 (8.92%) Infrastructure as Code
13 29 (8.92%) Time Management
14 28 (8.62%) Visualisation
15 27 (8.31%) Containerisation
15 27 (8.31%) Data Science
16 24 (7.38%) Unit Testing
Programming Languages
1 146 (44.92%) Python
2 130 (40.00%) SQL
3 53 (16.31%) Java
4 51 (15.69%) Bash
5 41 (12.62%) JavaScript
6 38 (11.69%) PowerShell
7 36 (11.08%) Shell Script
8 25 (7.69%) C++
9 17 (5.23%) Go
10 16 (4.92%) C
11 15 (4.62%) TypeScript
12 14 (4.31%) PL/SQL
13 11 (3.38%) C#
13 11 (3.38%) R
14 9 (2.77%) VBA
15 8 (2.46%) Korn
15 8 (2.46%) Perl
16 5 (1.54%) Fortran
16 5 (1.54%) MATLAB
17 4 (1.23%) VB
Qualifications
1 57 (17.54%) Degree
2 56 (17.23%) Security Cleared
3 46 (14.15%) SC Cleared
4 31 (9.54%) DV Cleared
5 23 (7.08%) CCNA
5 23 (7.08%) Cisco Certification
6 22 (6.77%) CCNP
7 20 (6.15%) AWS Certification
8 12 (3.69%) ITIL Certification
9 10 (3.08%) CISA
9 10 (3.08%) CISSP
10 8 (2.46%) Computer Science Degree
10 8 (2.46%) RHCE
11 7 (2.15%) Azure Certification
11 7 (2.15%) Master's Degree
11 7 (2.15%) Network+ Certification
11 7 (2.15%) PhD
12 6 (1.85%) GCFA
12 6 (1.85%) GCIA
12 6 (1.85%) GCIH
Quality Assurance & Compliance
1 19 (5.85%) SLA
2 17 (5.23%) ISO/IEC 27001
3 10 (3.08%) QA
4 8 (2.46%) GDPR
4 8 (2.46%) NIST
5 5 (1.54%) Cyber Essentials
5 5 (1.54%) ITGC
6 4 (1.23%) Cyber Essentials PLUS
6 4 (1.23%) Data Quality
7 3 (0.92%) COBIT
8 2 (0.62%) Sarbanes-Oxley
9 1 (0.31%) Software Quality Assurance
System Software
1 57 (17.54%) Docker
2 33 (10.15%) Active Directory
3 27 (8.31%) VMware Infrastructure
4 9 (2.77%) HDFS
4 9 (2.77%) Hyper-V
5 6 (1.85%) Firmware
6 4 (1.23%) Virtual Desktop
6 4 (1.23%) XenApp
6 4 (1.23%) XenDesktop
7 3 (0.92%) Apache Flume
8 2 (0.62%) KVM
8 2 (0.62%) Virtual Machines
8 2 (0.62%) Xen
9 1 (0.31%) Oracle RAC
Systems Management
1 54 (16.62%) Terraform
2 47 (14.46%) Kubernetes
3 42 (12.92%) Ansible
4 29 (8.92%) Microsoft Intune
5 27 (8.31%) Grafana
6 19 (5.85%) Kubeflow
7 13 (4.00%) Single Sign-On
8 11 (3.38%) SCCM
9 9 (2.77%) Istio
10 8 (2.46%) Progress Chef
10 8 (2.46%) Prometheus
11 7 (2.15%) FortiGate
12 6 (1.85%) Jamf Pro
13 5 (1.54%) Puppet
14 3 (0.92%) Argo
14 3 (0.92%) Kibana
14 3 (0.92%) logstash
14 3 (0.92%) Netcool
14 3 (0.92%) Oozie
15 2 (0.62%) Suricata
Vendors
1 72 (22.15%) Microsoft
2 65 (20.00%) Oracle
3 39 (12.00%) VMware
4 34 (10.46%) Red Hat
5 30 (9.23%) Cisco
6 27 (8.31%) Databricks
7 26 (8.00%) Google
8 21 (6.46%) IBM
9 15 (4.62%) Apple
10 14 (4.31%) SAP
11 11 (3.38%) Splunk
12 10 (3.08%) Atlassian
13 9 (2.77%) ServiceNow
14 8 (2.46%) NetApp
15 7 (2.15%) Dynatrace
15 7 (2.15%) Fortinet
16 5 (1.54%) Citrix
16 5 (1.54%) Cloudera
16 5 (1.54%) CyberArk
16 5 (1.54%) Imperva