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

6 months to
6 Dec 2025
Same period 2024 Same period 2023
Rank 325 244 218
Rank change year-on-year -81 -26 -32
Permanent jobs citing Unix 366 723 824
As % of all permanent jobs in the UK 0.66% 1.15% 1.64%
As % of the Operating Systems category 7.12% 8.10% 9.49%
Number of salaries quoted 208 280 598
10th Percentile £40,011 £40,000 £42,874
25th Percentile £48,438 £50,000 £50,000
Median annual salary (50th Percentile) £60,000 £60,000 £65,000
Median % change year-on-year - -7.69% -
75th Percentile £78,790 £80,000 £84,056
90th Percentile £90,000 £93,778 £97,290
UK excluding London median annual salary £56,430 £57,000 £60,000
% change year-on-year -1.00% -5.00% +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 5,137 8,929 8,684
As % of all permanent jobs advertised in the UK 9.20% 14.22% 17.27%
Number of salaries quoted 3,848 5,248 7,192
10th Percentile £27,000 £28,500 £27,500
25th Percentile £31,250 £36,250 £34,500
Median annual salary (50th Percentile) £43,085 £50,000 £50,000
Median % change year-on-year -13.83% - -4.76%
75th Percentile £65,000 £72,000 £68,750
90th Percentile £85,000 £87,500 £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 6 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 6 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 -60 336 £58,000 -3.33% 154
UK excluding London -66 205 £56,430 -1.00% 140
London +11 151 £76,250 +8.93% 35
Work from Home -2 129 £71,250 +2.80% 47
South East +11 52 £58,000 +5.45% 48
South West +30 41 £56,250 -25.98% 21
East of England +13 40 £43,085 -25.07% 16
North of England -75 26 £51,722 +3.44% 27
Midlands -23 24 £73,801 +34.18% 25
West Midlands -11 16 £75,000 +42.86% 16
Wales +13 13 £56,250 +14.55% 2
Yorkshire -26 10 £25,750 -54.22% 9
North West -44 9 £60,000 +20.00% 16
East Midlands +7 8 £49,000 -10.91% 8
Scotland -41 8 £73,801 +6.48% 5
North East +6 7 £61,123 +22.25% 3
Northern Ireland -13 2 £73,801 -18.00% 2

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 (11.20%) Microsoft Exchange
2 32 (8.74%) Apache Spark
3 26 (7.10%) Exchange Server 2003
4 22 (6.01%) Tomcat
4 22 (6.01%) WebSphere
5 16 (4.37%) WebSphere Application Server
6 6 (1.64%) Apache
6 6 (1.64%) Confluence
6 6 (1.64%) nginx
7 5 (1.37%) Anypoint
7 5 (1.37%) WebLogic
8 4 (1.09%) Oracle Workflow
9 3 (0.82%) IIS
9 3 (0.82%) WebLogic Portal
10 2 (0.55%) Apache Airflow
10 2 (0.55%) JBoss
10 2 (0.55%) SAS
10 2 (0.55%) SharePoint
11 1 (0.27%) NetWeaver
11 1 (0.27%) Oracle SOA Suite
Applications
1 19 (5.19%) Microsoft Excel
2 17 (4.64%) Microsoft Office
Business Applications
1 5 (1.37%) Shopify
2 4 (1.09%) NEC Housing
2 4 (1.09%) Oracle EBS
3 3 (0.82%) Primavera
4 2 (0.55%) Fidessa
4 2 (0.55%) SAP S/4HANA
5 1 (0.27%) ION MarketView
5 1 (0.27%) Oracle BPM
5 1 (0.27%) Oracle Procure-to-Pay
5 1 (0.27%) SAP IBP
Cloud Services
1 125 (34.15%) AWS
2 79 (21.58%) Azure
3 46 (12.57%) GCP
4 38 (10.38%) AWS CloudFormation
5 31 (8.47%) Amazon EKS
5 31 (8.47%) Amazon S3
6 26 (7.10%) Amazon ECR
7 21 (5.74%) Pulumi
8 20 (5.46%) Amazon ECS
8 20 (5.46%) dbt
9 19 (5.19%) Amazon ELB
10 17 (4.64%) Serverless
11 15 (4.10%) Amazon EC2
11 15 (4.10%) AWS Lambda
11 15 (4.10%) Microsoft 365
11 15 (4.10%) PaaS
12 13 (3.55%) OpenShift
13 12 (3.28%) Amazon ElastiCache
13 12 (3.28%) GitHub
13 12 (3.28%) Virtual Private Cloud
Communications & Networking
1 40 (10.93%) TCP/IP
2 28 (7.65%) DNS
3 27 (7.38%) DHCP
3 27 (7.38%) SSL
4 21 (5.74%) Firewall
5 11 (3.01%) VPN
6 10 (2.73%) SAN
7 9 (2.46%) VLAN
8 8 (2.19%) HTTPS
9 7 (1.91%) MPLS
10 6 (1.64%) HTTP
10 6 (1.64%) Modbus
10 6 (1.64%) MQTT
10 6 (1.64%) Network Security
10 6 (1.64%) Reverse Proxy
10 6 (1.64%) VoIP
10 6 (1.64%) WAN
10 6 (1.64%) Wi-Fi
10 6 (1.64%) Wireshark
11 5 (1.37%) LAN
Database & Business Intelligence
1 47 (12.84%) PostgreSQL
2 37 (10.11%) Oracle Database
3 27 (7.38%) Amazon RDS
3 27 (7.38%) Oracle Database 10g
4 25 (6.83%) Relational Database
5 23 (6.28%) Metadata
6 21 (5.74%) DynamoDB
6 21 (5.74%) Elasticsearch
6 21 (5.74%) Spark SQL
7 20 (5.46%) Redis
7 20 (5.46%) SQL Server
8 19 (5.19%) Delta Lake
9 18 (4.92%) DB2
10 15 (4.10%) Big Data
11 12 (3.28%) Hadoop
12 11 (3.01%) MySQL
12 11 (3.01%) NoSQL
13 9 (2.46%) Apache Hive
13 9 (2.46%) Power BI
13 9 (2.46%) Tableau
Development Applications
1 20 (5.46%) Git
2 19 (5.19%) MLflow
3 11 (3.01%) Jenkins
3 11 (3.01%) JIRA
4 8 (2.19%) GitLab
5 5 (1.37%) LabVIEW
6 4 (1.09%) Cypress.io
6 4 (1.09%) Gradle
6 4 (1.09%) Maven
6 4 (1.09%) Toad
7 3 (0.82%) CircleCI
7 3 (0.82%) JUnit
7 3 (0.82%) Mocha
7 3 (0.82%) Oracle APEX
7 3 (0.82%) Oracle Forms
7 3 (0.82%) webpack
8 2 (0.55%) Bitbucket
8 2 (0.55%) Browser DevTools
8 2 (0.55%) Sonatype Nexus
9 1 (0.27%) Postman
General
1 96 (26.23%) Finance
2 86 (23.50%) Social Skills
3 33 (9.02%) Banking
4 29 (7.92%) Analytical Skills
5 20 (5.46%) Public Sector
6 16 (4.37%) Law
7 15 (4.10%) Inclusion and Diversity
8 14 (3.83%) Telecoms
9 13 (3.55%) Investment Banking
10 12 (3.28%) German Language
11 8 (2.19%) Manufacturing
11 8 (2.19%) Marketing
12 7 (1.91%) Electronics
13 6 (1.64%) Front Office
13 6 (1.64%) Presentation Skills
14 5 (1.37%) Documentation Skills
14 5 (1.37%) Legal
15 4 (1.09%) Advertising
15 4 (1.09%) Back Office
15 4 (1.09%) Financial Institution
Job Titles
1 69 (18.85%) Senior
2 35 (9.56%) Administrator
3 33 (9.02%) Applications Support
4 32 (8.74%) Support Engineer
5 29 (7.92%) Linux Support
6 28 (7.65%) Systems Administrator
7 25 (6.83%) 3rd Line Support
7 25 (6.83%) Developer
8 23 (6.28%) Systems Support
9 22 (6.01%) Analyst
10 21 (5.74%) Infrastructure Support
10 21 (5.74%) Linux Engineer
10 21 (5.74%) Machine Learning Engineer
10 21 (5.74%) Platform Engineer
11 19 (5.19%) Operations Engineer
12 17 (4.64%) Unix Support
13 16 (4.37%) Support Analyst
14 13 (3.55%) Linux Support Engineer
14 13 (3.55%) Senior Platform Engineer
14 13 (3.55%) Software Engineer
Libraries, Frameworks & Software Standards
1 35 (9.56%) JSON
2 33 (9.02%) XML
3 32 (8.74%) HTML
4 30 (8.20%) Regular Expression
5 22 (6.01%) LDAP
5 22 (6.01%) PySpark
6 21 (5.74%) NumPy
6 21 (5.74%) Pandas
6 21 (5.74%) PyTorch
6 21 (5.74%) TensorFlow
7 20 (5.46%) Django
8 19 (5.19%) Keras
8 19 (5.19%) Lambda Expressions
8 19 (5.19%) Metaflow
8 19 (5.19%) scikit-learn
8 19 (5.19%) YAML
9 18 (4.92%) WebSphere MQ
10 16 (4.37%) LAPP Stack
11 14 (3.83%) OAuth
12 13 (3.55%) REST
Miscellaneous
1 86 (23.50%) Linux Command Line
2 38 (10.38%) Onboarding
3 25 (6.83%) e-Learning
4 20 (5.46%) Management Information System
5 15 (4.10%) Distributed Systems
6 11 (3.01%) IoT
6 11 (3.01%) PKI
7 8 (2.19%) Data Centre
8 7 (1.91%) Driving Licence
8 7 (1.91%) Replication
9 6 (1.64%) Algorithms
9 6 (1.64%) Clustering
9 6 (1.64%) Cyber Kill Chain
9 6 (1.64%) Device Driver
9 6 (1.64%) Foreign Exchange (FX)
9 6 (1.64%) Low-Code
9 6 (1.64%) Product Ownership
9 6 (1.64%) Security Posture
10 5 (1.37%) Public Cloud
11 4 (1.09%) Private Cloud
Operating Systems
1 235 (64.21%) Linux
2 115 (31.42%) Windows
3 48 (13.11%) Solaris
4 36 (9.84%) Red Hat Enterprise Linux
5 28 (7.65%) HPUX
6 26 (7.10%) Windows Server 2003
7 22 (6.01%) Windows 7
7 22 (6.01%) Windows Server 2008
8 17 (4.64%) Windows Server
9 9 (2.46%) Debian
9 9 (2.46%) Mac OS
10 6 (1.64%) AIX
11 4 (1.09%) CentOS
12 3 (0.82%) Ubuntu
13 2 (0.55%) Oracle Linux
14 1 (0.27%) Android
14 1 (0.27%) Apple iOS
14 1 (0.27%) CoreOS
14 1 (0.27%) SUSE
14 1 (0.27%) Windows Server 2016
Processes & Methodologies
1 72 (19.67%) Problem-Solving
2 66 (18.03%) AI
2 66 (18.03%) CI/CD
3 60 (16.39%) DevOps
4 55 (15.03%) ITIL
5 47 (12.84%) Infrastructure as Code
6 46 (12.57%) Agile
7 44 (12.02%) High Availability
8 41 (11.20%) Data Analysis
9 37 (10.11%) Containerisation
9 37 (10.11%) Incident Management
10 36 (9.84%) Machine Learning
11 33 (9.02%) Change Management
12 30 (8.20%) Visualisation
13 29 (7.92%) Computer Science
13 29 (7.92%) Software Engineering
14 28 (7.65%) Data Science
14 28 (7.65%) LLM
14 28 (7.65%) SDLC
15 27 (7.38%) Open Source
Programming Languages
1 206 (56.28%) Python
2 89 (24.32%) SQL
3 48 (13.11%) Bash
4 42 (11.48%) PowerShell
5 28 (7.65%) Java
6 27 (7.38%) JavaScript
6 27 (7.38%) Perl
7 24 (6.56%) Shell Script
8 14 (3.83%) R
9 13 (3.55%) C
9 13 (3.55%) C#
10 11 (3.01%) C++
11 8 (2.19%) Korn
12 7 (1.91%) MATLAB
12 7 (1.91%) PL/SQL
13 6 (1.64%) Go
13 6 (1.64%) TypeScript
14 4 (1.09%) Fortran
14 4 (1.09%) VB
15 3 (0.82%) Scala
Qualifications
1 111 (30.33%) Security Cleared
2 104 (28.42%) Degree
3 95 (25.96%) SC Cleared
4 61 (16.67%) DV Cleared
5 32 (8.74%) CCNA
5 32 (8.74%) Cisco Certification
6 29 (7.92%) AWS Certification
7 25 (6.83%) CCNP
8 22 (6.01%) ITIL Certification
9 21 (5.74%) Computer Science Degree
10 17 (4.64%) CISSP
11 10 (2.73%) CISA
11 10 (2.73%) Network+ Certification
12 8 (2.19%) Master's Degree
12 8 (2.19%) PhD
13 7 (1.91%) ACCA
13 7 (1.91%) CIMA
14 6 (1.64%) GCIA
14 6 (1.64%) GCIH
14 6 (1.64%) OSCP
Quality Assurance & Compliance
1 54 (14.75%) SLA
2 12 (3.28%) GDPR
2 12 (3.28%) QA
3 8 (2.19%) ISO/IEC 27001
4 7 (1.91%) NIST
5 3 (0.82%) COBIT
6 2 (0.55%) Data Quality
6 2 (0.55%) ITGC
6 2 (0.55%) Sarbanes-Oxley
7 1 (0.27%) Cyber Essentials
7 1 (0.27%) Cyber Essentials PLUS
7 1 (0.27%) Disclosure Scotland
System Software
1 65 (17.76%) Docker
2 48 (13.11%) Active Directory
3 24 (6.56%) VMware Infrastructure
4 6 (1.64%) Firmware
5 5 (1.37%) Virtual Desktop
5 5 (1.37%) XenApp
5 5 (1.37%) XenDesktop
6 4 (1.09%) HDFS
6 4 (1.09%) Veritas Cluster Server
7 2 (0.55%) Apache Flume
7 2 (0.55%) Hyper-V
8 1 (0.27%) Oracle RAC
8 1 (0.27%) Virtual Machines
Systems Management
1 66 (18.03%) Terraform
2 48 (13.11%) Kubernetes
3 43 (11.75%) Ansible
4 21 (5.74%) Grafana
5 19 (5.19%) Kubeflow
6 12 (3.28%) AWS Copilot
7 10 (2.73%) Microsoft Intune
8 9 (2.46%) Prometheus
9 7 (1.91%) SCCM
10 6 (1.64%) Jamf Pro
11 5 (1.37%) Single Sign-On
12 3 (0.82%) FortiGate
12 3 (0.82%) Netcool
12 3 (0.82%) Oracle Enterprise Manager
12 3 (0.82%) Puppet
13 2 (0.55%) Argo
13 2 (0.55%) Kibana
13 2 (0.55%) logstash
13 2 (0.55%) Oozie
13 2 (0.55%) Suricata
Vendors
1 65 (17.76%) Oracle
2 59 (16.12%) Microsoft
3 54 (14.75%) VMware
4 43 (11.75%) Red Hat
5 42 (11.48%) Google
6 38 (10.38%) Cisco
7 36 (9.84%) IBM
8 26 (7.10%) Databricks
9 21 (5.74%) SAP
10 16 (4.37%) ServiceNow
11 12 (3.28%) Dell
12 11 (3.01%) Fortinet
12 11 (3.01%) Splunk
13 9 (2.46%) Atlassian
14 8 (2.19%) HP
14 8 (2.19%) IFS
14 8 (2.19%) Juniper
14 8 (2.19%) NetApp
14 8 (2.19%) Palo Alto
15 7 (1.91%) Arista