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 12 November 2025, with comparisons to the same periods in the previous two years.

6 months to
12 Nov 2025
Same period 2024 Same period 2023
Rank 326 237 211
Rank change year-on-year -89 -26 -20
Permanent jobs citing Unix 384 752 879
As % of all permanent jobs in the UK 0.73% 1.12% 1.67%
As % of the Operating Systems category 6.93% 8.51% 9.58%
Number of salaries quoted 228 289 642
10th Percentile £39,750 £40,000 £42,500
25th Percentile £45,844 £50,000 £48,140
Median annual salary (50th Percentile) £60,000 £60,000 £65,000
Median % change year-on-year - -7.69% -
75th Percentile £78,790 £77,500 £84,056
90th Percentile £88,250 £90,000 £95,000
UK excluding London median annual salary £55,000 £55,000 £57,500
% change year-on-year - -4.35% +10.58%

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 5,544 8,841 9,173
As % of all permanent jobs advertised in the UK 10.59% 13.13% 17.38%
Number of salaries quoted 4,022 5,104 7,447
10th Percentile £26,750 £28,500 £27,500
25th Percentile £31,250 £36,250 £35,000
Median annual salary (50th Percentile) £42,500 £50,000 £50,000
Median % change year-on-year -15.00% - -4.76%
75th Percentile £65,000 £70,375 £68,750
90th Percentile £82,500 £86,250 £87,500
UK excluding London median annual salary £37,500 £47,500 £45,000
% change year-on-year -21.05% +5.56% -

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 12 November 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 12 November 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 -69 351 £58,000 -1.90% 201
UK excluding London -88 210 £55,000 - 91
London -1 165 £75,000 +6.38% 134
Work from Home +2 140 £70,000 +1.00% 103
South East +13 63 £56,430 +2.60% 32
South West +27 38 £57,500 -24.34% 6
East of England -12 31 £43,085 -21.66% 7
Midlands 0 29 £73,801 +34.18% 13
North of England -104 23 £51,250 +2.50% 19
West Midlands 0 21 £75,000 +15.38% 8
Wales +15 13 £56,250 +14.55% 9
Scotland -43 12 £73,801 +13.54% 3
North West -63 9 £50,000 -2.44% 11
East Midlands +16 8 £49,000 -10.91% 5
North East +5 7 £60,651 +21.30%
Yorkshire -21 7 £47,500 +26.67% 8
Northern Ireland -2 2 £73,801 -18.00% 4

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 43 (11.20%) Microsoft Exchange
2 36 (9.38%) Apache Spark
3 26 (6.77%) Exchange Server 2003
4 24 (6.25%) Tomcat
5 22 (5.73%) WebSphere
6 16 (4.17%) WebSphere Application Server
7 7 (1.82%) Apache
8 6 (1.56%) Confluence
8 6 (1.56%) nginx
8 6 (1.56%) SharePoint
9 5 (1.30%) Anypoint
9 5 (1.30%) IIS
9 5 (1.30%) WebLogic
10 4 (1.04%) Oracle Workflow
11 3 (0.78%) Apache Airflow
11 3 (0.78%) SAS
11 3 (0.78%) WebLogic Portal
12 2 (0.52%) JBoss
13 1 (0.26%) NetWeaver
13 1 (0.26%) Oracle SOA Suite
Applications
1 23 (5.99%) Microsoft Office
2 21 (5.47%) Microsoft Excel
Business Applications
1 5 (1.30%) Shopify
2 4 (1.04%) NEC Housing
3 3 (0.78%) Oracle EBS
3 3 (0.78%) Primavera
4 2 (0.52%) Fidessa
4 2 (0.52%) SAP S/4HANA
5 1 (0.26%) ION MarketView
5 1 (0.26%) Oracle BPM
5 1 (0.26%) SAP IBP
Cloud Services
1 135 (35.16%) AWS
2 94 (24.48%) Azure
3 43 (11.20%) GCP
4 38 (9.90%) AWS CloudFormation
5 31 (8.07%) Amazon S3
6 30 (7.81%) Amazon EKS
7 26 (6.77%) Amazon ECR
8 22 (5.73%) Microsoft 365
9 21 (5.47%) Pulumi
10 20 (5.21%) Amazon ECS
10 20 (5.21%) dbt
11 19 (4.95%) Amazon ELB
12 16 (4.17%) Amazon EC2
12 16 (4.17%) Serverless
13 14 (3.65%) AWS Lambda
13 14 (3.65%) PaaS
14 13 (3.39%) OpenShift
15 12 (3.13%) Amazon ElastiCache
15 12 (3.13%) Amazon OpenSearch
15 12 (3.13%) SaaS
Communications & Networking
1 44 (11.46%) TCP/IP
2 31 (8.07%) DNS
3 30 (7.81%) DHCP
4 29 (7.55%) Firewall
4 29 (7.55%) SSL
5 14 (3.65%) VPN
6 13 (3.39%) SAN
7 9 (2.34%) VLAN
8 8 (2.08%) HTTPS
9 7 (1.82%) MPLS
10 6 (1.56%) HTTP
10 6 (1.56%) Modbus
10 6 (1.56%) MQTT
10 6 (1.56%) Network Security
10 6 (1.56%) Reverse Proxy
10 6 (1.56%) VoIP
10 6 (1.56%) Wi-Fi
10 6 (1.56%) Wireshark
11 5 (1.30%) LAN
11 5 (1.30%) WAN
Database & Business Intelligence
1 51 (13.28%) PostgreSQL
2 38 (9.90%) Oracle Database
3 33 (8.59%) Relational Database
4 28 (7.29%) Amazon RDS
4 28 (7.29%) SQL Server
5 27 (7.03%) Oracle Database 10g
6 24 (6.25%) Metadata
7 22 (5.73%) Spark SQL
8 21 (5.47%) DynamoDB
8 21 (5.47%) Elasticsearch
8 21 (5.47%) Redis
9 19 (4.95%) Delta Lake
9 19 (4.95%) MySQL
10 18 (4.69%) DB2
11 17 (4.43%) Big Data
12 16 (4.17%) Hadoop
13 13 (3.39%) Apache Hive
14 11 (2.86%) NoSQL
15 10 (2.60%) Power BI
15 10 (2.60%) Tableau
Development Applications
1 27 (7.03%) Git
2 19 (4.95%) MLflow
3 14 (3.65%) Jenkins
3 14 (3.65%) JIRA
4 8 (2.08%) Maven
5 7 (1.82%) Gradle
6 6 (1.56%) GitLab
7 4 (1.04%) Cypress.io
7 4 (1.04%) JUnit
7 4 (1.04%) LabVIEW
7 4 (1.04%) Toad
8 3 (0.78%) Bitbucket
8 3 (0.78%) CircleCI
8 3 (0.78%) Mocha
8 3 (0.78%) Oracle APEX
8 3 (0.78%) Oracle Forms
8 3 (0.78%) webpack
9 2 (0.52%) Browser DevTools
9 2 (0.52%) Postman
9 2 (0.52%) Sonatype Nexus
General
1 118 (30.73%) Finance
2 100 (26.04%) Social Skills
3 43 (11.20%) Banking
4 33 (8.59%) Analytical Skills
5 31 (8.07%) Law
6 28 (7.29%) Inclusion and Diversity
7 23 (5.99%) Public Sector
8 17 (4.43%) Marketing
9 13 (3.39%) Investment Banking
9 13 (3.39%) Telecoms
10 12 (3.13%) Front Office
11 6 (1.56%) Electronics
11 6 (1.56%) German Language
12 5 (1.30%) Documentation Skills
12 5 (1.30%) Legal
12 5 (1.30%) Manufacturing
13 4 (1.04%) Advertising
13 4 (1.04%) Back Office
13 4 (1.04%) Local Government
13 4 (1.04%) Organisational Skills
Job Titles
1 82 (21.35%) Senior
2 38 (9.90%) Administrator
3 35 (9.11%) Applications Support
3 35 (9.11%) Developer
4 34 (8.85%) Support Engineer
5 28 (7.29%) Analyst
6 27 (7.03%) Systems Administrator
7 26 (6.77%) Linux Support
8 25 (6.51%) 3rd Line Support
9 24 (6.25%) Software Engineer
10 23 (5.99%) Systems Support
11 21 (5.47%) Lead
11 21 (5.47%) Machine Learning Engineer
12 19 (4.95%) Infrastructure Support
12 19 (4.95%) Operations Engineer
12 19 (4.95%) Platform Engineer
12 19 (4.95%) Support Analyst
13 18 (4.69%) Linux Engineer
14 16 (4.17%) Infrastructure Engineer
15 14 (3.65%) Consultant
Libraries, Frameworks & Software Standards
1 25 (6.51%) REST
2 23 (5.99%) JSON
2 23 (5.99%) PySpark
3 22 (5.73%) LDAP
4 21 (5.47%) NumPy
4 21 (5.47%) Pandas
4 21 (5.47%) PyTorch
4 21 (5.47%) TensorFlow
4 21 (5.47%) XML
5 20 (5.21%) Django
5 20 (5.21%) HTML
5 20 (5.21%) OAuth
6 19 (4.95%) Keras
6 19 (4.95%) Lambda Expressions
6 19 (4.95%) Metaflow
6 19 (4.95%) scikit-learn
6 19 (4.95%) YAML
7 18 (4.69%) WebSphere MQ
8 17 (4.43%) FIX Protocol
8 17 (4.43%) LAPP Stack
Miscellaneous
1 72 (18.75%) Linux Command Line
2 25 (6.51%) e-Learning
2 25 (6.51%) Onboarding
3 18 (4.69%) Management Information System
4 16 (4.17%) Distributed Systems
5 14 (3.65%) Product Ownership
6 12 (3.13%) Algorithms
7 11 (2.86%) PKI
8 9 (2.34%) Data Structures
8 9 (2.34%) IoT
8 9 (2.34%) Public Cloud
9 8 (2.08%) Private Cloud
10 7 (1.82%) Driving Licence
10 7 (1.82%) Replication
11 6 (1.56%) Cloud Native
11 6 (1.56%) Cyber Kill Chain
11 6 (1.56%) Data Centre
11 6 (1.56%) Device Driver
11 6 (1.56%) Equities
11 6 (1.56%) Hybrid Cloud
Operating Systems
1 245 (63.80%) Linux
2 123 (32.03%) Windows
3 51 (13.28%) Solaris
4 34 (8.85%) Red Hat Enterprise Linux
5 31 (8.07%) HPUX
6 26 (6.77%) Windows Server 2003
7 25 (6.51%) Windows Server
8 22 (5.73%) Windows 7
8 22 (5.73%) Windows Server 2008
9 12 (3.13%) Mac OS
10 9 (2.34%) CentOS
10 9 (2.34%) Debian
11 6 (1.56%) AIX
12 4 (1.04%) Apple iOS
12 4 (1.04%) Oracle Linux
13 3 (0.78%) Ubuntu
14 1 (0.26%) Android
14 1 (0.26%) CoreOS
14 1 (0.26%) SUSE
14 1 (0.26%) Windows Server 2016
Processes & Methodologies
1 98 (25.52%) Problem-Solving
2 75 (19.53%) CI/CD
3 71 (18.49%) Agile
4 63 (16.41%) DevOps
5 56 (14.58%) AI
6 52 (13.54%) ITIL
7 48 (12.50%) SDLC
8 46 (11.98%) High Availability
8 46 (11.98%) Software Engineering
9 44 (11.46%) Infrastructure as Code
10 43 (11.20%) Machine Learning
11 36 (9.38%) Incident Management
12 35 (9.11%) Containerisation
13 34 (8.85%) Test Automation
14 31 (8.07%) Visualisation
15 30 (7.81%) Computer Science
15 30 (7.81%) Open Source
16 29 (7.55%) Data Science
17 28 (7.29%) Change Management
17 28 (7.29%) Data Analysis
Programming Languages
1 200 (52.08%) Python
2 112 (29.17%) SQL
3 49 (12.76%) Bash
4 48 (12.50%) PowerShell
5 40 (10.42%) Java
6 34 (8.85%) Shell Script
7 32 (8.33%) JavaScript
8 26 (6.77%) Perl
9 16 (4.17%) C#
10 15 (3.91%) C++
10 15 (3.91%) R
11 14 (3.65%) C
12 13 (3.39%) PL/SQL
13 12 (3.13%) TypeScript
14 8 (2.08%) Korn
15 6 (1.56%) Go
15 6 (1.56%) MATLAB
16 4 (1.04%) Fortran
16 4 (1.04%) VB
17 3 (0.78%) Scala
Qualifications
1 110 (28.65%) Security Cleared
2 97 (25.26%) SC Cleared
3 91 (23.70%) Degree
4 60 (15.63%) DV Cleared
5 32 (8.33%) CCNA
5 32 (8.33%) Cisco Certification
6 26 (6.77%) AWS Certification
7 25 (6.51%) CCNP
8 20 (5.21%) Computer Science Degree
9 19 (4.95%) ITIL Certification
10 15 (3.91%) CISSP
11 13 (3.39%) CISA
11 13 (3.39%) Network+ Certification
12 8 (2.08%) Master's Degree
12 8 (2.08%) PhD
13 7 (1.82%) ACCA
13 7 (1.82%) CIMA
14 6 (1.56%) GCIA
14 6 (1.56%) GCIH
14 6 (1.56%) OSCP
Quality Assurance & Compliance
1 50 (13.02%) SLA
2 13 (3.39%) ISO/IEC 27001
3 12 (3.13%) GDPR
4 9 (2.34%) QA
5 8 (2.08%) NIST
6 5 (1.30%) Cyber Essentials
6 5 (1.30%) ITGC
7 4 (1.04%) Cyber Essentials PLUS
8 3 (0.78%) COBIT
8 3 (0.78%) Data Quality
9 1 (0.26%) Disclosure Scotland
9 1 (0.26%) Sarbanes-Oxley
System Software
1 73 (19.01%) Docker
2 55 (14.32%) Active Directory
3 22 (5.73%) VMware Infrastructure
4 8 (2.08%) HDFS
5 6 (1.56%) Firmware
6 5 (1.30%) Hyper-V
6 5 (1.30%) Virtual Desktop
6 5 (1.30%) XenApp
6 5 (1.30%) XenDesktop
7 3 (0.78%) Apache Flume
8 1 (0.26%) KVM
8 1 (0.26%) Oracle RAC
8 1 (0.26%) Virtual Machines
8 1 (0.26%) Xen
Systems Management
1 66 (17.19%) Terraform
2 47 (12.24%) Kubernetes
3 43 (11.20%) Ansible
4 25 (6.51%) Grafana
5 19 (4.95%) Kubeflow
6 18 (4.69%) Microsoft Intune
7 12 (3.13%) AWS Copilot
8 10 (2.60%) SCCM
9 8 (2.08%) Prometheus
10 7 (1.82%) Single Sign-On
11 6 (1.56%) FortiGate
11 6 (1.56%) Jamf Pro
12 5 (1.30%) Progress Chef
13 4 (1.04%) Puppet
14 3 (0.78%) Kibana
14 3 (0.78%) logstash
14 3 (0.78%) Netcool
14 3 (0.78%) Oozie
14 3 (0.78%) Oracle Enterprise Manager
15 2 (0.52%) Argo
Vendors
1 82 (21.35%) Oracle
2 80 (20.83%) Microsoft
3 54 (14.06%) VMware
4 46 (11.98%) Google
5 41 (10.68%) Cisco
6 38 (9.90%) Red Hat
7 34 (8.85%) IBM
8 30 (7.81%) Databricks
9 24 (6.25%) SAP
10 16 (4.17%) ServiceNow
11 14 (3.65%) Fortinet
12 13 (3.39%) Splunk
13 12 (3.13%) Dell
14 10 (2.60%) Apple
14 10 (2.60%) Atlassian
15 8 (2.08%) IFS
15 8 (2.08%) Informatica
15 8 (2.08%) Juniper
15 8 (2.08%) NetApp
15 8 (2.08%) Palo Alto