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 16 December 2025, with comparisons to the same periods in the previous two years.

6 months to
16 Dec 2025
Same period 2024 Same period 2023
Rank 333 243 208
Rank change year-on-year -90 -35 -21
Permanent jobs citing Unix 360 692 819
As % of all permanent jobs in the UK 0.61% 1.21% 1.67%
As % of the Operating Systems category 7.01% 8.16% 9.68%
Number of salaries quoted 203 260 582
10th Percentile £41,250 £41,250 £43,188
25th Percentile £50,250 £50,000 £50,000
Median annual salary (50th Percentile) £62,500 £60,000 £65,000
Median % change year-on-year +4.17% -7.69% +1.56%
75th Percentile £79,395 £80,313 £84,056
90th Percentile £90,000 £93,778 £97,290
UK excluding London median annual salary £57,500 £59,125 £60,000
% change year-on-year -2.75% -1.46% +20.00%

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 5,139 8,482 8,460
As % of all permanent jobs advertised in the UK 8.78% 14.79% 17.27%
Number of salaries quoted 3,853 4,970 6,984
10th Percentile £27,000 £28,498 £27,500
25th Percentile £31,250 £36,250 £35,000
Median annual salary (50th Percentile) £43,500 £50,000 £50,000
Median % change year-on-year -13.00% - -4.76%
75th Percentile £65,000 £72,483 £68,750
90th Percentile £85,000 £87,500 £87,500
UK excluding London median annual salary £37,500 £47,307 £45,000
% change year-on-year -20.73% +5.13% -

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 16 December 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 16 December 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 -49 331 £59,000 -1.67% 151
UK excluding London -92 199 £57,500 -2.75% 133
London -1 149 £77,500 +11.82% 40
Work from Home -9 128 £71,250 +2.80% 82
South East +13 49 £58,000 +5.45% 47
South West +29 45 £55,000 -31.25% 18
East of England +14 41 £43,085 -25.07% 14
North of England -88 23 £55,000 +10.00% 30
Midlands -32 21 £73,801 +34.18% 20
West Midlands -26 13 £75,000 +42.86% 13
Wales +4 12 £60,000 +26.32% 2
Yorkshire -32 9 £25,750 -61.85% 10
East Midlands -8 8 £49,000 -10.91% 6
North West -62 8 £66,901 +33.80% 19
North East -2 6 £73,801 +47.60% 2
Scotland -42 6 £73,801 +6.48% 8
Northern Ireland -14 2 £73,801 -18.00% 1

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 40 (11.11%) Microsoft Exchange
2 28 (7.78%) Apache Spark
3 26 (7.22%) Exchange Server 2003
4 22 (6.11%) Tomcat
4 22 (6.11%) WebSphere
5 16 (4.44%) WebSphere Application Server
6 6 (1.67%) Apache
6 6 (1.67%) Confluence
6 6 (1.67%) nginx
7 5 (1.39%) Anypoint
7 5 (1.39%) WebLogic
8 4 (1.11%) Oracle Workflow
9 3 (0.83%) IIS
9 3 (0.83%) WebLogic Portal
10 2 (0.56%) JBoss
11 1 (0.28%) NetWeaver
11 1 (0.28%) Oracle SOA Suite
11 1 (0.28%) SharePoint
Applications
1 18 (5.00%) Microsoft Excel
2 17 (4.72%) Microsoft Office
Business Applications
1 5 (1.39%) Oracle EBS
1 5 (1.39%) Shopify
2 4 (1.11%) NEC Housing
3 3 (0.83%) Primavera
4 2 (0.56%) Fidessa
4 2 (0.56%) Oracle Procure-to-Pay
4 2 (0.56%) SAP S/4HANA
5 1 (0.28%) ION MarketView
5 1 (0.28%) Oracle BPM
5 1 (0.28%) SAP IBP
Cloud Services
1 120 (33.33%) AWS
2 71 (19.72%) Azure
3 46 (12.78%) GCP
4 38 (10.56%) AWS CloudFormation
5 31 (8.61%) Amazon EKS
5 31 (8.61%) Amazon S3
6 26 (7.22%) Amazon ECR
7 21 (5.83%) Pulumi
8 20 (5.56%) Amazon ECS
8 20 (5.56%) dbt
9 19 (5.28%) Amazon ELB
10 17 (4.72%) Serverless
11 16 (4.44%) PaaS
12 15 (4.17%) Amazon EC2
12 15 (4.17%) AWS Lambda
13 14 (3.89%) Microsoft 365
14 13 (3.61%) OpenShift
14 13 (3.61%) Virtual Private Cloud
15 12 (3.33%) Amazon ElastiCache
15 12 (3.33%) Sentry
Communications & Networking
1 37 (10.28%) TCP/IP
2 27 (7.50%) SSL
3 25 (6.94%) DNS
4 24 (6.67%) DHCP
5 18 (5.00%) Firewall
6 9 (2.50%) SAN
6 9 (2.50%) VLAN
6 9 (2.50%) VPN
7 8 (2.22%) HTTPS
8 7 (1.94%) MPLS
8 7 (1.94%) WAN
9 6 (1.67%) HTTP
9 6 (1.67%) Network Security
9 6 (1.67%) Reverse Proxy
9 6 (1.67%) VoIP
9 6 (1.67%) Wi-Fi
9 6 (1.67%) Wireshark
10 5 (1.39%) LAN
10 5 (1.39%) Modbus
10 5 (1.39%) MQTT
Database & Business Intelligence
1 45 (12.50%) PostgreSQL
2 37 (10.28%) Oracle Database
3 27 (7.50%) Amazon RDS
3 27 (7.50%) Oracle Database 10g
4 22 (6.11%) Relational Database
5 21 (5.83%) DynamoDB
5 21 (5.83%) Elasticsearch
5 21 (5.83%) Metadata
6 20 (5.56%) Redis
7 19 (5.28%) Delta Lake
7 19 (5.28%) Spark SQL
8 18 (5.00%) DB2
9 17 (4.72%) SQL Server
10 11 (3.06%) Big Data
11 9 (2.50%) NoSQL
12 8 (2.22%) Hadoop
13 7 (1.94%) MySQL
13 7 (1.94%) Power BI
13 7 (1.94%) Tableau
14 6 (1.67%) FileMaker
Development Applications
1 19 (5.28%) Git
1 19 (5.28%) MLflow
2 11 (3.06%) Jenkins
2 11 (3.06%) JIRA
3 8 (2.22%) GitLab
4 6 (1.67%) LabVIEW
5 4 (1.11%) Cypress.io
5 4 (1.11%) Toad
6 3 (0.83%) CircleCI
6 3 (0.83%) JUnit
6 3 (0.83%) Mocha
6 3 (0.83%) Oracle APEX
6 3 (0.83%) Oracle Forms
6 3 (0.83%) webpack
7 2 (0.56%) Bitbucket
7 2 (0.56%) Browser DevTools
7 2 (0.56%) Gradle
7 2 (0.56%) Maven
7 2 (0.56%) Sonatype Nexus
8 1 (0.28%) Jasmine
General
1 92 (25.56%) Finance
2 83 (23.06%) Social Skills
3 31 (8.61%) Banking
4 29 (8.06%) Analytical Skills
5 18 (5.00%) Public Sector
6 14 (3.89%) German Language
6 14 (3.89%) Telecoms
7 13 (3.61%) Investment Banking
8 10 (2.78%) Inclusion and Diversity
8 10 (2.78%) Law
9 9 (2.50%) Presentation Skills
10 8 (2.22%) Electronics
10 8 (2.22%) Manufacturing
11 5 (1.39%) Documentation Skills
11 5 (1.39%) Front Office
11 5 (1.39%) Legal
12 4 (1.11%) Advertising
12 4 (1.11%) Back Office
12 4 (1.11%) Financial Institution
12 4 (1.11%) Local Government
Job Titles
1 65 (18.06%) Senior
2 35 (9.72%) Administrator
3 32 (8.89%) Applications Support
4 31 (8.61%) Support Engineer
5 30 (8.33%) Linux Support
6 29 (8.06%) Systems Administrator
7 25 (6.94%) 3rd Line Support
8 23 (6.39%) Linux Engineer
8 23 (6.39%) Systems Support
9 22 (6.11%) Developer
9 22 (6.11%) Infrastructure Support
9 22 (6.11%) Platform Engineer
10 21 (5.83%) Machine Learning Engineer
11 20 (5.56%) Analyst
12 19 (5.28%) Operations Engineer
12 19 (5.28%) Unix Support
13 14 (3.89%) Support Analyst
14 13 (3.61%) Linux Support Engineer
14 13 (3.61%) Senior Platform Engineer
15 10 (2.78%) Applications Engineer
Libraries, Frameworks & Software Standards
1 37 (10.28%) JSON
2 35 (9.72%) XML
3 34 (9.44%) HTML
4 30 (8.33%) Regular Expression
5 22 (6.11%) LDAP
6 21 (5.83%) NumPy
6 21 (5.83%) Pandas
6 21 (5.83%) PyTorch
6 21 (5.83%) TensorFlow
7 20 (5.56%) Django
8 19 (5.28%) Keras
8 19 (5.28%) Lambda Expressions
8 19 (5.28%) Metaflow
8 19 (5.28%) PySpark
8 19 (5.28%) scikit-learn
8 19 (5.28%) YAML
9 18 (5.00%) WebSphere MQ
10 16 (4.44%) LAPP Stack
11 12 (3.33%) OAuth
12 11 (3.06%) FIX Protocol
Miscellaneous
1 88 (24.44%) Linux Command Line
2 39 (10.83%) Onboarding
3 26 (7.22%) e-Learning
4 21 (5.83%) Management Information System
5 15 (4.17%) Distributed Systems
6 11 (3.06%) IoT
6 11 (3.06%) PKI
7 8 (2.22%) Clustering
7 8 (2.22%) Data Centre
8 7 (1.94%) Replication
8 7 (1.94%) Security Posture
9 6 (1.67%) Cyber Kill Chain
9 6 (1.67%) Foreign Exchange (FX)
9 6 (1.67%) Low-Code
10 5 (1.39%) Device Driver
11 4 (1.11%) Algorithms
11 4 (1.11%) Driving Licence
11 4 (1.11%) Hedge funds
11 4 (1.11%) NHS
11 4 (1.11%) Public Cloud
Operating Systems
1 232 (64.44%) Linux
2 111 (30.83%) Windows
3 46 (12.78%) Solaris
4 36 (10.00%) Red Hat Enterprise Linux
5 26 (7.22%) HPUX
5 26 (7.22%) Windows Server 2003
6 22 (6.11%) Windows 7
6 22 (6.11%) Windows Server 2008
7 14 (3.89%) Windows Server
8 9 (2.50%) Debian
9 8 (2.22%) Mac OS
10 6 (1.67%) AIX
11 3 (0.83%) Ubuntu
12 1 (0.28%) Android
12 1 (0.28%) CentOS
12 1 (0.28%) CoreOS
12 1 (0.28%) SUSE
12 1 (0.28%) Windows Server 2016
12 1 (0.28%) Windows Server 2019
Processes & Methodologies
1 66 (18.33%) AI
1 66 (18.33%) Problem-Solving
2 65 (18.06%) CI/CD
3 62 (17.22%) DevOps
4 58 (16.11%) ITIL
5 50 (13.89%) Infrastructure as Code
6 44 (12.22%) High Availability
7 41 (11.39%) Data Analysis
8 38 (10.56%) Agile
8 38 (10.56%) Containerisation
9 37 (10.28%) Incident Management
10 35 (9.72%) Change Management
11 31 (8.61%) Machine Learning
12 30 (8.33%) LLM
13 29 (8.06%) Computer Science
14 28 (7.78%) Visualisation
15 27 (7.50%) Observability
16 26 (7.22%) Data Science
16 26 (7.22%) Site Reliability Engineering
17 25 (6.94%) Innovative Thinking
Programming Languages
1 207 (57.50%) Python
2 81 (22.50%) SQL
3 47 (13.06%) Bash
4 42 (11.67%) PowerShell
5 28 (7.78%) JavaScript
6 27 (7.50%) Perl
7 25 (6.94%) Java
8 22 (6.11%) Shell Script
9 13 (3.61%) C#
10 12 (3.33%) R
11 11 (3.06%) C
12 10 (2.78%) C++
13 8 (2.22%) Korn
13 8 (2.22%) MATLAB
14 6 (1.67%) Go
15 5 (1.39%) PL/SQL
16 4 (1.11%) Fortran
16 4 (1.11%) TypeScript
16 4 (1.11%) VB
17 3 (0.83%) Scala
Qualifications
1 111 (30.83%) Security Cleared
2 106 (29.44%) Degree
3 95 (26.39%) SC Cleared
4 61 (16.94%) DV Cleared
5 32 (8.89%) CCNA
5 32 (8.89%) Cisco Certification
6 29 (8.06%) AWS Certification
7 25 (6.94%) CCNP
8 23 (6.39%) ITIL Certification
9 22 (6.11%) Computer Science Degree
10 18 (5.00%) CISSP
11 9 (2.50%) CISA
12 8 (2.22%) Master's Degree
12 8 (2.22%) PhD
13 7 (1.94%) ACCA
13 7 (1.94%) CIMA
13 7 (1.94%) Network+ Certification
14 6 (1.67%) GCIA
14 6 (1.67%) HND
14 6 (1.67%) OSCP
Quality Assurance & Compliance
1 55 (15.28%) SLA
2 12 (3.33%) GDPR
3 10 (2.78%) QA
4 7 (1.94%) ISO/IEC 27001
4 7 (1.94%) NIST
5 3 (0.83%) COBIT
5 3 (0.83%) Sarbanes-Oxley
6 1 (0.28%) Disclosure Scotland
6 1 (0.28%) ITGC
System Software
1 65 (18.06%) Docker
2 47 (13.06%) Active Directory
3 25 (6.94%) VMware Infrastructure
4 5 (1.39%) Firmware
4 5 (1.39%) Veritas Cluster Server
4 5 (1.39%) Virtual Desktop
4 5 (1.39%) XenApp
4 5 (1.39%) XenDesktop
5 1 (0.28%) Hyper-V
5 1 (0.28%) Oracle RAC
5 1 (0.28%) Virtual Machines
Systems Management
1 67 (18.61%) Terraform
2 50 (13.89%) Kubernetes
3 45 (12.50%) Ansible
4 20 (5.56%) Grafana
5 19 (5.28%) Kubeflow
6 12 (3.33%) AWS Copilot
7 9 (2.50%) Prometheus
8 6 (1.67%) Jamf Pro
8 6 (1.67%) Microsoft Intune
8 6 (1.67%) SCCM
9 5 (1.39%) Single Sign-On
10 3 (0.83%) Netcool
10 3 (0.83%) Oracle Enterprise Manager
10 3 (0.83%) Podman
10 3 (0.83%) Puppet
11 2 (0.56%) Argo
11 2 (0.56%) Suricata
12 1 (0.28%) AirWatch
12 1 (0.28%) Ambari
12 1 (0.28%) Oracle ZFS
Vendors
1 62 (17.22%) Oracle
2 54 (15.00%) VMware
3 53 (14.72%) Microsoft
4 45 (12.50%) Red Hat
5 42 (11.67%) Google
6 36 (10.00%) IBM
7 35 (9.72%) Cisco
8 22 (6.11%) Databricks
9 19 (5.28%) SAP
10 16 (4.44%) ServiceNow
11 12 (3.33%) Dell
11 12 (3.33%) Splunk
12 8 (2.22%) Atlassian
12 8 (2.22%) Fortinet
12 8 (2.22%) HP
12 8 (2.22%) IFS
12 8 (2.22%) Juniper
12 8 (2.22%) NetApp
12 8 (2.22%) Palo Alto
13 7 (1.94%) Workday