Unix Job Trends

Unix
UK

The table below provides summary statistics and salary benchmarking for jobs requiring Unix skills. It covers permanent job vacancies from the 6 months leading up to 28 October 2025, with comparisons to the same periods in the previous two years.

6 months to
28 Oct 2025
Same period 2024 Same period 2023
Rank 337 249 218
Rank change year-on-year -88 -31 -25
Permanent jobs citing Unix 379 733 907
As % of all permanent jobs in the UK 0.77% 1.08% 1.65%
As % of the Operating Systems category 6.57% 8.32% 9.66%
Number of salaries quoted 234 296 664
10th Percentile £36,250 £40,000 £41,475
25th Percentile £43,335 £50,000 £48,140
Median annual salary (50th Percentile) £62,250 £60,000 £65,000
Median % change year-on-year +3.75% -7.69% +2.77%
75th Percentile £78,790 £75,000 £84,056
90th Percentile £89,250 £90,000 £95,000
UK excluding London median annual salary £52,500 £55,000 £57,500
% change year-on-year -4.55% -4.35% +9.52%

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 5,768 8,813 9,390
As % of all permanent jobs advertised in the UK 11.67% 12.95% 17.13%
Number of salaries quoted 4,031 5,175 7,629
10th Percentile £27,000 £28,250 £27,500
25th Percentile £31,250 £36,250 £35,000
Median annual salary (50th Percentile) £42,000 £50,000 £50,985
Median % change year-on-year -16.00% -1.93% -2.89%
75th Percentile £65,000 £70,000 £69,800
90th Percentile £82,500 £85,000 £87,500
UK excluding London median annual salary £38,325 £47,500 £46,000
% change year-on-year -19.32% +3.26% +2.22%

Unix
Job Vacancy Trend

Historical trend showing the proportion of permanent IT job postings citing Unix relative to all permanent IT jobs advertised.

Unix job vacancy trend 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 28 October 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 28 October 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 -71 342 £62,000 +3.33% 241
UK excluding London -107 210 £52,500 -4.55% 171
London -11 160 £75,000 +7.14% 132
Work from Home -2 148 £70,000 +1.00% 110
South East +25 62 £50,750 -7.73% 94
South West +45 39 £57,500 -28.13% 14
East of England -18 29 £43,085 -21.66% 11
Midlands -19 27 £73,801 +29.48% 16
North of England -84 23 £57,500 +15.00% 30
West Midlands -3 19 £75,000 +15.38% 8
Scotland -40 16 £52,500 -21.82% 5
Wales +15 13 £56,250 -3.53% 2
North West -63 9 £50,000 -2.44% 15
East Midlands +4 8 £49,000 -10.91% 7
North East +8 7 £60,651 +1.08% 1
Yorkshire -16 7 £58,750 +46.88% 14
Northern Ireland +3 2 £73,801 -18.00% 3

Unix
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 41 (10.82%) Microsoft Exchange
2 35 (9.23%) Apache Spark
3 27 (7.12%) Tomcat
4 21 (5.54%) Exchange Server 2003
4 21 (5.54%) WebSphere
5 15 (3.96%) WebSphere Application Server
6 11 (2.90%) SharePoint
7 10 (2.64%) IIS
8 7 (1.85%) Apache
9 5 (1.32%) Confluence
9 5 (1.32%) nginx
9 5 (1.32%) WebLogic
10 4 (1.06%) Anypoint
10 4 (1.06%) Oracle Workflow
11 3 (0.79%) Apache Airflow
11 3 (0.79%) SAS
11 3 (0.79%) WebLogic Portal
12 2 (0.53%) JBoss
13 1 (0.26%) NetWeaver
13 1 (0.26%) Oracle SOA Suite
Applications
1 29 (7.65%) Microsoft Office
2 22 (5.80%) Microsoft Excel
Business Applications
1 4 (1.06%) NEC Housing
1 4 (1.06%) Shopify
2 3 (0.79%) Oracle EBS
2 3 (0.79%) Primavera
3 2 (0.53%) SAP S/4HANA
4 1 (0.26%) Fidessa
4 1 (0.26%) ION MarketView
4 1 (0.26%) Oracle BPM
4 1 (0.26%) SAP IBP
Cloud Services
1 132 (34.83%) AWS
2 97 (25.59%) Azure
3 39 (10.29%) GCP
4 37 (9.76%) AWS CloudFormation
5 31 (8.18%) Amazon S3
6 29 (7.65%) Amazon EKS
6 29 (7.65%) Microsoft 365
7 26 (6.86%) Amazon ECR
8 22 (5.80%) Pulumi
9 20 (5.28%) Amazon ECS
9 20 (5.28%) dbt
10 19 (5.01%) Amazon ELB
11 16 (4.22%) Amazon EC2
12 15 (3.96%) Entra ID
12 15 (3.96%) PaaS
12 15 (3.96%) Serverless
13 14 (3.69%) SaaS
14 13 (3.43%) AWS Lambda
15 12 (3.17%) Amazon OpenSearch
15 12 (3.17%) Sentry
Communications & Networking
1 43 (11.35%) TCP/IP
2 31 (8.18%) DNS
2 31 (8.18%) SSL
3 30 (7.92%) DHCP
4 29 (7.65%) Firewall
5 15 (3.96%) VPN
6 13 (3.43%) SAN
7 9 (2.37%) DMARC
7 9 (2.37%) Wi-Fi
8 7 (1.85%) HTTPS
9 6 (1.58%) Modbus
9 6 (1.58%) MQTT
9 6 (1.58%) Network Security
9 6 (1.58%) VoIP
9 6 (1.58%) WAN
9 6 (1.58%) Wireshark
10 5 (1.32%) Broadband
10 5 (1.32%) HTTP
10 5 (1.32%) Reverse Proxy
10 5 (1.32%) VLAN
Database & Business Intelligence
1 55 (14.51%) PostgreSQL
2 34 (8.97%) SQL Server
3 33 (8.71%) Oracle Database
3 33 (8.71%) Relational Database
4 28 (7.39%) Amazon RDS
5 24 (6.33%) Metadata
6 22 (5.80%) Oracle Database 10g
6 22 (5.80%) Spark SQL
7 21 (5.54%) DynamoDB
7 21 (5.54%) Redis
8 20 (5.28%) Elasticsearch
8 20 (5.28%) MySQL
9 19 (5.01%) Delta Lake
10 17 (4.49%) DB2
11 16 (4.22%) Big Data
12 15 (3.96%) Hadoop
13 12 (3.17%) Apache Hive
14 11 (2.90%) NoSQL
15 10 (2.64%) Power BI
15 10 (2.64%) Tableau
Development Applications
1 30 (7.92%) Git
2 19 (5.01%) MLflow
3 15 (3.96%) Jenkins
4 13 (3.43%) JIRA
5 8 (2.11%) Maven
6 7 (1.85%) Gradle
7 5 (1.32%) GitLab
8 4 (1.06%) Cypress.io
8 4 (1.06%) JUnit
8 4 (1.06%) LabVIEW
8 4 (1.06%) Toad
9 3 (0.79%) Bitbucket
9 3 (0.79%) CircleCI
9 3 (0.79%) Mocha
9 3 (0.79%) Oracle APEX
9 3 (0.79%) Oracle Forms
9 3 (0.79%) webpack
10 2 (0.53%) Browser DevTools
10 2 (0.53%) Postman
10 2 (0.53%) Sonatype Nexus
General
1 118 (31.13%) Finance
2 111 (29.29%) Social Skills
3 41 (10.82%) Banking
4 34 (8.97%) Analytical Skills
5 30 (7.92%) Law
6 28 (7.39%) Inclusion and Diversity
7 23 (6.07%) Public Sector
8 17 (4.49%) Marketing
9 14 (3.69%) Front Office
10 12 (3.17%) Investment Banking
10 12 (3.17%) Telecoms
11 8 (2.11%) Organisational Skills
12 6 (1.58%) Czech Language
12 6 (1.58%) Electronics
12 6 (1.58%) Presentation Skills
13 5 (1.32%) Documentation Skills
14 4 (1.06%) Back Office
14 4 (1.06%) Legal
14 4 (1.06%) Local Government
14 4 (1.06%) Manufacturing
Job Titles
1 81 (21.37%) Senior
2 46 (12.14%) Administrator
3 36 (9.50%) Applications Support
4 34 (8.97%) Developer
5 31 (8.18%) Support Engineer
6 27 (7.12%) Analyst
6 27 (7.12%) Systems Administrator
7 25 (6.60%) Lead
7 25 (6.60%) Linux Support
8 24 (6.33%) Software Engineer
9 21 (5.54%) Machine Learning Engineer
10 19 (5.01%) 3rd Line Support
10 19 (5.01%) Operations Engineer
10 19 (5.01%) Systems Support
11 18 (4.75%) Infrastructure Engineer
11 18 (4.75%) Infrastructure Support
11 18 (4.75%) Platform Engineer
11 18 (4.75%) Support Analyst
12 16 (4.22%) Linux Engineer
13 15 (3.96%) Consultant
Libraries, Frameworks & Software Standards
1 28 (7.39%) REST
2 23 (6.07%) PySpark
3 21 (5.54%) NumPy
3 21 (5.54%) Pandas
3 21 (5.54%) PyTorch
3 21 (5.54%) TensorFlow
4 20 (5.28%) Django
4 20 (5.28%) LDAP
5 19 (5.01%) JSON
5 19 (5.01%) Keras
5 19 (5.01%) Lambda Expressions
5 19 (5.01%) Metaflow
5 19 (5.01%) scikit-learn
5 19 (5.01%) YAML
6 17 (4.49%) LAPP Stack
6 17 (4.49%) OAuth
6 17 (4.49%) WebSphere MQ
6 17 (4.49%) XML
7 15 (3.96%) FIX Protocol
8 14 (3.69%) SOAP
Miscellaneous
1 65 (17.15%) Linux Command Line
2 25 (6.60%) e-Learning
3 17 (4.49%) Onboarding
4 15 (3.96%) Distributed Systems
4 15 (3.96%) Management Information System
5 14 (3.69%) Product Ownership
6 12 (3.17%) Algorithms
7 10 (2.64%) PKI
7 10 (2.64%) Public Cloud
8 9 (2.37%) Data Structures
9 8 (2.11%) IoT
9 8 (2.11%) Private Cloud
9 8 (2.11%) Self-Motivation
10 7 (1.85%) Data Centre
10 7 (1.85%) Driving Licence
10 7 (1.85%) Hybrid Cloud
11 6 (1.58%) Cloud Native
11 6 (1.58%) Cyber Kill Chain
11 6 (1.58%) Enterprise Software
11 6 (1.58%) Legacy Systems
Operating Systems
1 247 (65.17%) Linux
2 125 (32.98%) Windows
3 48 (12.66%) Solaris
4 33 (8.71%) Red Hat Enterprise Linux
5 26 (6.86%) HPUX
6 25 (6.60%) Windows Server
7 21 (5.54%) Windows Server 2003
8 18 (4.75%) Windows 7
8 18 (4.75%) Windows Server 2008
9 12 (3.17%) CentOS
9 12 (3.17%) Mac OS
10 9 (2.37%) Debian
11 6 (1.58%) AIX
12 4 (1.06%) Apple iOS
12 4 (1.06%) Oracle Linux
13 3 (0.79%) VMS
14 2 (0.53%) Ubuntu
15 1 (0.26%) Android
15 1 (0.26%) CoreOS
15 1 (0.26%) SUSE
Processes & Methodologies
1 104 (27.44%) Problem-Solving
2 77 (20.32%) CI/CD
3 75 (19.79%) Agile
4 61 (16.09%) DevOps
5 49 (12.93%) ITIL
5 49 (12.93%) SDLC
6 47 (12.40%) High Availability
7 46 (12.14%) AI
7 46 (12.14%) Software Engineering
8 43 (11.35%) Infrastructure as Code
9 41 (10.82%) Machine Learning
10 35 (9.23%) Test Automation
11 33 (8.71%) Containerisation
12 31 (8.18%) Visualisation
13 29 (7.65%) Incident Management
13 29 (7.65%) Incident Response
13 29 (7.65%) Time Management
14 28 (7.39%) Data Science
14 28 (7.39%) Observability
14 28 (7.39%) Open Source
Programming Languages
1 185 (48.81%) Python
2 116 (30.61%) SQL
3 53 (13.98%) PowerShell
4 50 (13.19%) Bash
5 46 (12.14%) Java
6 36 (9.50%) JavaScript
7 34 (8.97%) Shell Script
8 22 (5.80%) Perl
9 17 (4.49%) C#
10 15 (3.96%) C++
10 15 (3.96%) PL/SQL
10 15 (3.96%) R
11 14 (3.69%) C
12 13 (3.43%) TypeScript
13 8 (2.11%) Korn
14 7 (1.85%) Go
15 6 (1.58%) MATLAB
15 6 (1.58%) VBA
16 4 (1.06%) Fortran
16 4 (1.06%) VB
Qualifications
1 103 (27.18%) Security Cleared
2 93 (24.54%) SC Cleared
3 78 (20.58%) Degree
4 55 (14.51%) DV Cleared
5 30 (7.92%) CCNA
5 30 (7.92%) Cisco Certification
6 25 (6.60%) AWS Certification
6 25 (6.60%) CCNP
7 18 (4.75%) ITIL Certification
8 17 (4.49%) Computer Science Degree
9 13 (3.43%) CISA
9 13 (3.43%) CISSP
10 11 (2.90%) Network+ Certification
11 8 (2.11%) Master's Degree
11 8 (2.11%) PhD
12 7 (1.85%) ACCA
12 7 (1.85%) CIMA
12 7 (1.85%) RHCE
13 6 (1.58%) GCIA
13 6 (1.58%) GCIH
Quality Assurance & Compliance
1 45 (11.87%) SLA
2 17 (4.49%) ISO/IEC 27001
3 11 (2.90%) GDPR
4 8 (2.11%) NIST
4 8 (2.11%) QA
5 5 (1.32%) Cyber Essentials
5 5 (1.32%) ITGC
6 4 (1.06%) Cyber Essentials PLUS
7 3 (0.79%) COBIT
7 3 (0.79%) Data Quality
8 1 (0.26%) Disclosure Scotland
8 1 (0.26%) Sarbanes-Oxley
System Software
1 72 (19.00%) Docker
2 53 (13.98%) Active Directory
3 26 (6.86%) VMware Infrastructure
4 8 (2.11%) HDFS
4 8 (2.11%) Hyper-V
5 6 (1.58%) Firmware
6 5 (1.32%) Virtual Desktop
6 5 (1.32%) XenApp
6 5 (1.32%) XenDesktop
7 3 (0.79%) Apache Flume
8 2 (0.53%) KVM
8 2 (0.53%) Xen
9 1 (0.26%) Oracle RAC
9 1 (0.26%) Virtual Machines
Systems Management
1 65 (17.15%) Terraform
2 46 (12.14%) Kubernetes
3 42 (11.08%) Ansible
4 27 (7.12%) Grafana
5 26 (6.86%) Microsoft Intune
6 19 (5.01%) Kubeflow
7 12 (3.17%) AWS Copilot
8 11 (2.90%) SCCM
8 11 (2.90%) Single Sign-On
9 9 (2.37%) Prometheus
10 8 (2.11%) Progress Chef
11 7 (1.85%) FortiGate
12 6 (1.58%) Jamf Pro
13 5 (1.32%) Puppet
14 3 (0.79%) Argo
14 3 (0.79%) Kibana
14 3 (0.79%) logstash
14 3 (0.79%) Netcool
14 3 (0.79%) Oozie
14 3 (0.79%) Oracle Enterprise Manager
Vendors
1 89 (23.48%) Microsoft
2 84 (22.16%) Oracle
3 54 (14.25%) VMware
4 46 (12.14%) Google
5 38 (10.03%) Cisco
5 38 (10.03%) Red Hat
6 32 (8.44%) IBM
7 29 (7.65%) Databricks
8 22 (5.80%) SAP
9 14 (3.69%) ServiceNow
10 13 (3.43%) Apple
10 13 (3.43%) Splunk
11 12 (3.17%) Fortinet
12 9 (2.37%) Atlassian
12 9 (2.37%) Dell
13 8 (2.11%) Dynatrace
13 8 (2.11%) NetApp
14 7 (1.85%) Citrix
14 7 (1.85%) IFS
14 7 (1.85%) Informatica