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

6 months to
28 Nov 2025
Same period 2024 Same period 2023
Rank 310 247 215
Rank change year-on-year -63 -32 -29
Permanent jobs citing Unix 382 743 846
As % of all permanent jobs in the UK 0.71% 1.11% 1.66%
As % of the Operating Systems category 7.33% 8.08% 9.48%
Number of salaries quoted 217 288 613
10th Percentile £40,000 £40,000 £42,874
25th Percentile £47,500 £50,000 £50,000
Median annual salary (50th Percentile) £62,500 £60,000 £65,000
Median % change year-on-year +4.17% -7.69% -
75th Percentile £78,790 £80,000 £84,056
90th Percentile £90,000 £93,778 £97,139
UK excluding London median annual salary £56,430 £56,509 £60,000
% change year-on-year -0.14% -5.82% +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 5,210 9,196 8,922
As % of all permanent jobs advertised in the UK 9.65% 13.76% 17.51%
Number of salaries quoted 3,916 5,358 7,284
10th Percentile £27,000 £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 £71,868 £68,750
90th Percentile £83,750 £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 28 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 28 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 -38 350 £60,000 - 88
UK excluding London -68 210 £56,430 -0.14% 69
London +8 162 £75,000 +7.14% 43
Work from Home +15 132 £72,500 +4.61% 43
South East +24 56 £58,000 +5.45% 28
East of England +18 40 £43,085 -23.41% 2
South West +19 39 £57,500 -28.13% 9
North of England -81 26 £51,250 +2.50% 8
Midlands +7 25 £73,801 +34.18% 14
West Midlands +12 17 £75,000 +42.86% 10
Wales +18 13 £56,250 +14.55% 4
Yorkshire -14 10 £25,750 -54.22%
North West -35 10 £57,500 +15.00% 7
Scotland -36 10 £73,801 +6.48% 3
East Midlands +12 8 £49,000 -10.91% 4
North East +8 6 £73,801 +47.60% 1
Northern Ireland -9 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 44 (11.52%) Microsoft Exchange
2 33 (8.64%) Apache Spark
3 26 (6.81%) Exchange Server 2003
4 22 (5.76%) Tomcat
4 22 (5.76%) WebSphere
5 16 (4.19%) WebSphere Application Server
6 6 (1.57%) Apache
6 6 (1.57%) Confluence
6 6 (1.57%) nginx
7 5 (1.31%) Anypoint
7 5 (1.31%) WebLogic
8 4 (1.05%) Oracle Workflow
9 3 (0.79%) IIS
9 3 (0.79%) SharePoint
9 3 (0.79%) WebLogic Portal
10 2 (0.52%) Apache Airflow
10 2 (0.52%) JBoss
10 2 (0.52%) SAS
11 1 (0.26%) NetWeaver
11 1 (0.26%) Oracle SOA Suite
Applications
1 22 (5.76%) Microsoft Excel
2 20 (5.24%) Microsoft Office
Business Applications
1 5 (1.31%) Shopify
2 4 (1.05%) NEC Housing
3 3 (0.79%) Oracle EBS
3 3 (0.79%) 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
1 132 (34.55%) AWS
2 86 (22.51%) Azure
3 45 (11.78%) GCP
4 39 (10.21%) AWS CloudFormation
5 31 (8.12%) Amazon EKS
5 31 (8.12%) Amazon S3
6 26 (6.81%) Amazon ECR
7 21 (5.50%) Pulumi
8 20 (5.24%) Amazon ECS
8 20 (5.24%) dbt
9 19 (4.97%) Amazon ELB
10 17 (4.45%) Serverless
11 16 (4.19%) Microsoft 365
12 15 (3.93%) Amazon EC2
12 15 (3.93%) AWS Lambda
13 14 (3.66%) PaaS
14 13 (3.40%) OpenShift
15 12 (3.14%) Amazon ElastiCache
15 12 (3.14%) Amazon OpenSearch
15 12 (3.14%) Sentry
Communications & Networking
1 43 (11.26%) TCP/IP
2 30 (7.85%) DNS
3 29 (7.59%) DHCP
4 27 (7.07%) SSL
5 25 (6.54%) Firewall
6 13 (3.40%) VPN
7 11 (2.88%) SAN
8 9 (2.36%) VLAN
9 8 (2.09%) HTTPS
10 7 (1.83%) MPLS
11 6 (1.57%) HTTP
11 6 (1.57%) Modbus
11 6 (1.57%) MQTT
11 6 (1.57%) Network Security
11 6 (1.57%) Reverse Proxy
11 6 (1.57%) VoIP
11 6 (1.57%) Wi-Fi
11 6 (1.57%) Wireshark
12 5 (1.31%) LAN
12 5 (1.31%) WAN
Database & Business Intelligence
1 48 (12.57%) PostgreSQL
2 38 (9.95%) Oracle Database
3 32 (8.38%) Relational Database
4 27 (7.07%) Amazon RDS
4 27 (7.07%) Oracle Database 10g
5 23 (6.02%) Metadata
6 21 (5.50%) DynamoDB
6 21 (5.50%) Elasticsearch
6 21 (5.50%) Redis
6 21 (5.50%) Spark SQL
6 21 (5.50%) SQL Server
7 19 (4.97%) Delta Lake
8 18 (4.71%) DB2
9 15 (3.93%) Big Data
9 15 (3.93%) MySQL
10 13 (3.40%) Hadoop
11 11 (2.88%) NoSQL
12 10 (2.62%) Apache Hive
13 9 (2.36%) Power BI
13 9 (2.36%) Tableau
Development Applications
1 22 (5.76%) Git
2 19 (4.97%) MLflow
3 13 (3.40%) Jenkins
4 12 (3.14%) JIRA
5 8 (2.09%) GitLab
6 6 (1.57%) Maven
7 5 (1.31%) Gradle
8 4 (1.05%) Cypress.io
8 4 (1.05%) JUnit
8 4 (1.05%) LabVIEW
8 4 (1.05%) Toad
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 (0.52%) Bitbucket
10 2 (0.52%) Browser DevTools
10 2 (0.52%) Sonatype Nexus
10 2 (0.52%) Xcode
General
1 108 (28.27%) Finance
2 93 (24.35%) Social Skills
3 39 (10.21%) Banking
4 30 (7.85%) Analytical Skills
5 25 (6.54%) Inclusion and Diversity
5 25 (6.54%) Law
6 19 (4.97%) Public Sector
7 14 (3.66%) Telecoms
8 13 (3.40%) Investment Banking
8 13 (3.40%) Marketing
9 12 (3.14%) German Language
10 8 (2.09%) Front Office
10 8 (2.09%) Manufacturing
11 6 (1.57%) Electronics
12 5 (1.31%) Documentation Skills
12 5 (1.31%) Legal
13 4 (1.05%) Advertising
13 4 (1.05%) Back Office
13 4 (1.05%) Financial Institution
13 4 (1.05%) Presentation Skills
Job Titles
1 74 (19.37%) Senior
2 36 (9.42%) Administrator
3 34 (8.90%) Applications Support
4 33 (8.64%) Support Engineer
5 30 (7.85%) Developer
6 29 (7.59%) Linux Support
7 28 (7.33%) Systems Administrator
8 26 (6.81%) Analyst
9 25 (6.54%) 3rd Line Support
10 23 (6.02%) Systems Support
11 21 (5.50%) Infrastructure Support
11 21 (5.50%) Machine Learning Engineer
12 20 (5.24%) Software Engineer
13 19 (4.97%) Linux Engineer
13 19 (4.97%) Operations Engineer
13 19 (4.97%) Platform Engineer
14 18 (4.71%) Support Analyst
15 17 (4.45%) Lead
16 16 (4.19%) Unix Support
17 13 (3.40%) Linux Support Engineer
Libraries, Frameworks & Software Standards
1 35 (9.16%) JSON
2 33 (8.64%) HTML
2 33 (8.64%) XML
3 30 (7.85%) Regular Expression
4 22 (5.76%) LDAP
4 22 (5.76%) PySpark
5 21 (5.50%) NumPy
5 21 (5.50%) Pandas
5 21 (5.50%) PyTorch
5 21 (5.50%) TensorFlow
6 20 (5.24%) Django
7 19 (4.97%) Keras
7 19 (4.97%) Lambda Expressions
7 19 (4.97%) Metaflow
7 19 (4.97%) REST
7 19 (4.97%) scikit-learn
7 19 (4.97%) YAML
8 18 (4.71%) FIX Protocol
8 18 (4.71%) OAuth
8 18 (4.71%) WebSphere MQ
Miscellaneous
1 86 (22.51%) Linux Command Line
2 39 (10.21%) Onboarding
3 25 (6.54%) e-Learning
4 19 (4.97%) Management Information System
5 16 (4.19%) Distributed Systems
6 11 (2.88%) PKI
6 11 (2.88%) Product Ownership
7 10 (2.62%) Algorithms
7 10 (2.62%) IoT
8 9 (2.36%) Driving Licence
9 8 (2.09%) Data Centre
10 7 (1.83%) Data Structures
10 7 (1.83%) Public Cloud
10 7 (1.83%) Replication
11 6 (1.57%) Cyber Kill Chain
11 6 (1.57%) Device Driver
11 6 (1.57%) Foreign Exchange (FX)
11 6 (1.57%) Low-Code
11 6 (1.57%) Private Cloud
12 5 (1.31%) Security Posture
Operating Systems
1 243 (63.61%) Linux
2 116 (30.37%) Windows
3 49 (12.83%) Solaris
4 36 (9.42%) Red Hat Enterprise Linux
5 29 (7.59%) HPUX
6 26 (6.81%) Windows Server 2003
7 22 (5.76%) Windows 7
7 22 (5.76%) Windows Server 2008
8 19 (4.97%) Windows Server
9 10 (2.62%) Mac OS
10 9 (2.36%) Debian
11 6 (1.57%) AIX
11 6 (1.57%) CentOS
12 3 (0.79%) Oracle Linux
12 3 (0.79%) Ubuntu
13 2 (0.52%) Apple iOS
14 1 (0.26%) Android
14 1 (0.26%) CoreOS
14 1 (0.26%) Windows Server 2016
14 1 (0.26%) Windows Server 2019
Processes & Methodologies
1 86 (22.51%) Problem-Solving
2 70 (18.32%) CI/CD
3 67 (17.54%) AI
4 64 (16.75%) DevOps
5 57 (14.92%) Agile
6 54 (14.14%) ITIL
7 46 (12.04%) High Availability
7 46 (12.04%) Infrastructure as Code
8 41 (10.73%) Data Analysis
9 40 (10.47%) SDLC
10 39 (10.21%) Machine Learning
10 39 (10.21%) Software Engineering
11 37 (9.69%) Incident Management
12 36 (9.42%) Containerisation
13 31 (8.12%) Change Management
13 31 (8.12%) Computer Science
14 30 (7.85%) Visualisation
15 28 (7.33%) Data Science
15 28 (7.33%) LLM
15 28 (7.33%) Open Source
Programming Languages
1 215 (56.28%) Python
2 98 (25.65%) SQL
3 52 (13.61%) Bash
4 43 (11.26%) PowerShell
5 31 (8.12%) Java
6 30 (7.85%) Shell Script
7 29 (7.59%) JavaScript
8 26 (6.81%) Perl
9 14 (3.66%) C
9 14 (3.66%) R
10 13 (3.40%) C#
10 13 (3.40%) C++
11 10 (2.62%) TypeScript
12 9 (2.36%) PL/SQL
13 8 (2.09%) Korn
14 7 (1.83%) Go
15 6 (1.57%) MATLAB
16 4 (1.05%) Fortran
16 4 (1.05%) VB
17 3 (0.79%) Scala
Qualifications
1 111 (29.06%) Security Cleared
2 106 (27.75%) Degree
3 96 (25.13%) SC Cleared
4 61 (15.97%) DV Cleared
5 32 (8.38%) CCNA
5 32 (8.38%) Cisco Certification
6 28 (7.33%) AWS Certification
7 25 (6.54%) CCNP
8 22 (5.76%) Computer Science Degree
9 21 (5.50%) ITIL Certification
10 16 (4.19%) CISSP
11 12 (3.14%) Network+ Certification
12 10 (2.62%) CISA
13 8 (2.09%) Master's Degree
13 8 (2.09%) PhD
14 7 (1.83%) ACCA
14 7 (1.83%) CIMA
15 6 (1.57%) GCIA
15 6 (1.57%) GCIH
15 6 (1.57%) OSCP
Quality Assurance & Compliance
1 53 (13.87%) SLA
2 12 (3.14%) GDPR
2 12 (3.14%) QA
3 9 (2.36%) ISO/IEC 27001
4 7 (1.83%) NIST
5 3 (0.79%) COBIT
6 2 (0.52%) Cyber Essentials
6 2 (0.52%) Cyber Essentials PLUS
6 2 (0.52%) Data Quality
6 2 (0.52%) ITGC
7 1 (0.26%) Disclosure Scotland
7 1 (0.26%) Sarbanes-Oxley
System Software
1 72 (18.85%) Docker
2 49 (12.83%) Active Directory
3 23 (6.02%) VMware Infrastructure
4 6 (1.57%) Firmware
5 5 (1.31%) HDFS
5 5 (1.31%) Virtual Desktop
5 5 (1.31%) XenApp
5 5 (1.31%) XenDesktop
6 3 (0.79%) Hyper-V
6 3 (0.79%) Veritas Cluster Server
7 2 (0.52%) Apache Flume
8 1 (0.26%) Oracle RAC
8 1 (0.26%) Virtual Machines
Systems Management
1 67 (17.54%) Terraform
2 48 (12.57%) Kubernetes
3 46 (12.04%) Ansible
4 26 (6.81%) Grafana
5 19 (4.97%) Kubeflow
6 13 (3.40%) Microsoft Intune
7 12 (3.14%) AWS Copilot
8 9 (2.36%) Prometheus
9 8 (2.09%) SCCM
10 6 (1.57%) Jamf Pro
11 5 (1.31%) FortiGate
11 5 (1.31%) Single Sign-On
12 3 (0.79%) Netcool
12 3 (0.79%) Oracle Enterprise Manager
12 3 (0.79%) Puppet
13 2 (0.52%) Argo
13 2 (0.52%) Kibana
13 2 (0.52%) logstash
13 2 (0.52%) Oozie
13 2 (0.52%) Progress Chef
Vendors
1 68 (17.80%) Oracle
2 66 (17.28%) Microsoft
3 54 (14.14%) VMware
4 45 (11.78%) Google
5 43 (11.26%) Red Hat
6 40 (10.47%) Cisco
7 35 (9.16%) IBM
8 27 (7.07%) Databricks
9 20 (5.24%) SAP
10 16 (4.19%) ServiceNow
11 13 (3.40%) Fortinet
12 12 (3.14%) Atlassian
12 12 (3.14%) Dell
12 12 (3.14%) Splunk
13 8 (2.09%) Apple
13 8 (2.09%) IFS
13 8 (2.09%) Juniper
13 8 (2.09%) NetApp
13 8 (2.09%) Palo Alto
14 7 (1.83%) Informatica