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

6 months to
21 Nov 2025
Same period 2024 Same period 2023
Rank 329 239 215
Rank change year-on-year -90 -24 -29
Permanent jobs citing Unix 383 758 862
As % of all permanent jobs in the UK 0.72% 1.12% 1.66%
As % of the Operating Systems category 7.23% 8.49% 9.53%
Number of salaries quoted 221 295 628
10th Percentile £40,000 £40,000 £42,500
25th Percentile £46,250 £50,000 £48,140
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 £96,539
UK excluding London median annual salary £57,500 £56,509 £59,556
% change year-on-year +1.75% -5.12% +16.83%

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 5,298 8,924 9,044
As % of all permanent jobs advertised in the UK 9.93% 13.24% 17.38%
Number of salaries quoted 3,963 5,182 7,370
10th Percentile £26,875 £28,500 £27,500
25th Percentile £31,250 £36,250 £35,000
Median annual salary (50th Percentile) £42,500 £50,974 £50,000
Median % change year-on-year -16.62% +1.95% -4.76%
75th Percentile £65,000 £71,991 £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 21 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 21 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 -53 351 £60,000 - 173
UK excluding London -80 210 £57,500 +1.75% 84
London +1 164 £75,000 +7.14% 117
Work from Home +12 133 £72,500 +4.61% 80
South East +28 59 £57,500 +4.55% 33
South West +29 39 £57,500 -24.34% 6
East of England +2 33 £43,085 -21.66% 5
Midlands +6 29 £73,801 +34.18% 11
North of England -78 25 £47,500 -5.00% 15
West Midlands +5 21 £75,000 +27.66% 6
Wales +19 13 £56,250 +14.55% 9
Scotland -35 11 £73,801 +6.48% 3
North West -44 10 £50,000 - 11
Yorkshire -19 9 £32,875 -41.56% 3
East Midlands +19 8 £49,000 -10.91% 4
North East +4 6 £73,801 +47.60% 1
Northern Ireland -2 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 43 (11.23%) Microsoft Exchange
2 34 (8.88%) Apache Spark
3 26 (6.79%) Exchange Server 2003
4 22 (5.74%) Tomcat
4 22 (5.74%) WebSphere
5 16 (4.18%) 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 (1.04%) Oracle Workflow
8 4 (1.04%) SharePoint
9 3 (0.78%) IIS
9 3 (0.78%) 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 21 (5.48%) Microsoft Excel
2 20 (5.22%) Microsoft Office
Business Applications
1 5 (1.31%) 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
1 133 (34.73%) AWS
2 91 (23.76%) Azure
3 44 (11.49%) GCP
4 39 (10.18%) AWS CloudFormation
5 31 (8.09%) Amazon EKS
5 31 (8.09%) Amazon S3
6 26 (6.79%) Amazon ECR
7 21 (5.48%) Pulumi
8 20 (5.22%) Amazon ECS
8 20 (5.22%) dbt
9 19 (4.96%) Amazon ELB
10 17 (4.44%) Microsoft 365
10 17 (4.44%) Serverless
11 16 (4.18%) Amazon EC2
12 15 (3.92%) AWS Lambda
13 14 (3.66%) PaaS
14 13 (3.39%) OpenShift
15 12 (3.13%) Amazon ElastiCache
15 12 (3.13%) Amazon OpenSearch
15 12 (3.13%) Sentry
Communications & Networking
1 44 (11.49%) TCP/IP
2 31 (8.09%) DNS
3 30 (7.83%) DHCP
4 27 (7.05%) Firewall
4 27 (7.05%) SSL
5 14 (3.66%) VPN
6 12 (3.13%) SAN
7 9 (2.35%) VLAN
8 8 (2.09%) HTTPS
9 7 (1.83%) MPLS
10 6 (1.57%) HTTP
10 6 (1.57%) Modbus
10 6 (1.57%) MQTT
10 6 (1.57%) Network Security
10 6 (1.57%) Reverse Proxy
10 6 (1.57%) VoIP
10 6 (1.57%) Wi-Fi
10 6 (1.57%) Wireshark
11 5 (1.31%) LAN
11 5 (1.31%) WAN
Database & Business Intelligence
1 48 (12.53%) PostgreSQL
2 38 (9.92%) Oracle Database
3 34 (8.88%) Relational Database
4 28 (7.31%) Amazon RDS
5 27 (7.05%) Oracle Database 10g
6 23 (6.01%) Metadata
6 23 (6.01%) SQL Server
7 21 (5.48%) DynamoDB
7 21 (5.48%) Elasticsearch
7 21 (5.48%) Redis
7 21 (5.48%) Spark SQL
8 19 (4.96%) Delta Lake
9 18 (4.70%) DB2
10 17 (4.44%) MySQL
11 15 (3.92%) Big Data
12 14 (3.66%) Hadoop
13 11 (2.87%) Apache Hive
13 11 (2.87%) NoSQL
14 9 (2.35%) Power BI
14 9 (2.35%) Tableau
Development Applications
1 24 (6.27%) Git
2 19 (4.96%) MLflow
3 14 (3.66%) JIRA
4 13 (3.39%) Jenkins
5 7 (1.83%) GitLab
5 7 (1.83%) Maven
6 6 (1.57%) Gradle
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
1 113 (29.50%) Finance
2 95 (24.80%) Social Skills
3 42 (10.97%) Banking
4 31 (8.09%) Analytical Skills
5 30 (7.83%) Inclusion and Diversity
5 30 (7.83%) Law
6 20 (5.22%) Public Sector
7 16 (4.18%) Marketing
8 14 (3.66%) Telecoms
9 13 (3.39%) Investment Banking
10 10 (2.61%) Front Office
11 8 (2.09%) German Language
12 7 (1.83%) Manufacturing
13 6 (1.57%) Electronics
14 5 (1.31%) Documentation Skills
14 5 (1.31%) Legal
15 4 (1.04%) Advertising
15 4 (1.04%) Back Office
15 4 (1.04%) Financial Institution
15 4 (1.04%) Local Government
Job Titles
1 79 (20.63%) Senior
2 37 (9.66%) Administrator
3 35 (9.14%) Applications Support
4 34 (8.88%) Developer
5 33 (8.62%) Support Engineer
6 28 (7.31%) Systems Administrator
7 26 (6.79%) Analyst
7 26 (6.79%) Linux Support
8 25 (6.53%) 3rd Line Support
9 24 (6.27%) Software Engineer
10 23 (6.01%) Systems Support
11 21 (5.48%) Lead
11 21 (5.48%) Machine Learning Engineer
12 19 (4.96%) Linux Engineer
12 19 (4.96%) Operations Engineer
12 19 (4.96%) Platform Engineer
13 18 (4.70%) Infrastructure Support
13 18 (4.70%) Support Analyst
14 14 (3.66%) Infrastructure Engineer
15 13 (3.39%) Linux Support Engineer
Libraries, Frameworks & Software Standards
1 26 (6.79%) JSON
2 25 (6.53%) HTML
3 24 (6.27%) XML
4 22 (5.74%) LDAP
4 22 (5.74%) PySpark
4 22 (5.74%) REST
5 21 (5.48%) NumPy
5 21 (5.48%) Pandas
5 21 (5.48%) PyTorch
5 21 (5.48%) Regular Expression
5 21 (5.48%) TensorFlow
6 20 (5.22%) Django
6 20 (5.22%) OAuth
7 19 (4.96%) Keras
7 19 (4.96%) Lambda Expressions
7 19 (4.96%) Metaflow
7 19 (4.96%) scikit-learn
7 19 (4.96%) YAML
8 18 (4.70%) FIX Protocol
8 18 (4.70%) WebSphere MQ
Miscellaneous
1 77 (20.10%) Linux Command Line
2 31 (8.09%) Onboarding
3 25 (6.53%) e-Learning
4 19 (4.96%) Management Information System
5 16 (4.18%) Distributed Systems
6 14 (3.66%) Product Ownership
7 12 (3.13%) Algorithms
8 11 (2.87%) PKI
9 9 (2.35%) Data Structures
9 9 (2.35%) Driving Licence
9 9 (2.35%) IoT
10 8 (2.09%) Private Cloud
10 8 (2.09%) Public Cloud
11 7 (1.83%) Replication
12 6 (1.57%) Cloud Native
12 6 (1.57%) Cyber Kill Chain
12 6 (1.57%) Data Centre
12 6 (1.57%) Equities
12 6 (1.57%) Hybrid Cloud
12 6 (1.57%) Low-Code
Operating Systems
1 243 (63.45%) Linux
2 119 (31.07%) Windows
3 51 (13.32%) Solaris
4 34 (8.88%) Red Hat Enterprise Linux
5 31 (8.09%) HPUX
6 26 (6.79%) Windows Server 2003
7 22 (5.74%) Windows 7
7 22 (5.74%) Windows Server
7 22 (5.74%) Windows Server 2008
8 11 (2.87%) Mac OS
9 9 (2.35%) CentOS
9 9 (2.35%) Debian
10 6 (1.57%) AIX
11 4 (1.04%) Oracle Linux
12 3 (0.78%) Apple iOS
12 3 (0.78%) Ubuntu
13 1 (0.26%) Android
13 1 (0.26%) CoreOS
13 1 (0.26%) SUSE
13 1 (0.26%) Windows Server 2016
Processes & Methodologies
1 91 (23.76%) Problem-Solving
2 72 (18.80%) CI/CD
3 65 (16.97%) Agile
4 63 (16.45%) DevOps
5 60 (15.67%) AI
6 51 (13.32%) ITIL
7 46 (12.01%) High Availability
7 46 (12.01%) SDLC
8 45 (11.75%) Infrastructure as Code
8 45 (11.75%) Software Engineering
9 41 (10.70%) Machine Learning
10 37 (9.66%) Incident Management
11 36 (9.40%) Containerisation
12 32 (8.36%) Computer Science
12 32 (8.36%) Data Analysis
12 32 (8.36%) Test Automation
13 30 (7.83%) Visualisation
14 29 (7.57%) Open Source
15 28 (7.31%) Change Management
15 28 (7.31%) Data Science
Programming Languages
1 205 (53.52%) Python
2 105 (27.42%) SQL
3 49 (12.79%) Bash
4 45 (11.75%) PowerShell
5 34 (8.88%) Java
6 33 (8.62%) Shell Script
7 30 (7.83%) JavaScript
8 26 (6.79%) Perl
9 14 (3.66%) C
9 14 (3.66%) C#
9 14 (3.66%) C++
9 14 (3.66%) R
10 12 (3.13%) TypeScript
11 11 (2.87%) PL/SQL
12 8 (2.09%) Korn
13 7 (1.83%) Go
14 6 (1.57%) MATLAB
15 4 (1.04%) Fortran
15 4 (1.04%) VB
16 3 (0.78%) Scala
Qualifications
1 112 (29.24%) Security Cleared
2 97 (25.33%) Degree
2 97 (25.33%) SC Cleared
3 61 (15.93%) DV Cleared
4 32 (8.36%) CCNA
4 32 (8.36%) Cisco Certification
5 25 (6.53%) AWS Certification
5 25 (6.53%) CCNP
6 22 (5.74%) Computer Science Degree
7 18 (4.70%) ITIL Certification
8 16 (4.18%) CISSP
9 13 (3.39%) Network+ Certification
10 11 (2.87%) CISA
11 8 (2.09%) Master's Degree
11 8 (2.09%) PhD
12 7 (1.83%) ACCA
12 7 (1.83%) CIMA
13 6 (1.57%) GCIA
13 6 (1.57%) GCIH
13 6 (1.57%) OSCP
Quality Assurance & Compliance
1 50 (13.05%) SLA
2 12 (3.13%) GDPR
3 11 (2.87%) QA
4 10 (2.61%) ISO/IEC 27001
5 7 (1.83%) NIST
6 3 (0.78%) COBIT
6 3 (0.78%) Cyber Essentials
6 3 (0.78%) Cyber Essentials PLUS
6 3 (0.78%) ITGC
7 2 (0.52%) Data Quality
8 1 (0.26%) Disclosure Scotland
8 1 (0.26%) Sarbanes-Oxley
System Software
1 74 (19.32%) Docker
2 51 (13.32%) Active Directory
3 20 (5.22%) VMware Infrastructure
4 6 (1.57%) Firmware
4 6 (1.57%) HDFS
5 5 (1.31%) Virtual Desktop
5 5 (1.31%) XenApp
5 5 (1.31%) XenDesktop
6 4 (1.04%) Hyper-V
7 2 (0.52%) Apache Flume
8 1 (0.26%) Oracle RAC
8 1 (0.26%) Virtual Machines
Systems Management
1 67 (17.49%) Terraform
2 47 (12.27%) Kubernetes
3 43 (11.23%) Ansible
4 25 (6.53%) Grafana
5 19 (4.96%) Kubeflow
6 15 (3.92%) Microsoft Intune
7 12 (3.13%) AWS Copilot
8 9 (2.35%) SCCM
9 8 (2.09%) Prometheus
10 6 (1.57%) FortiGate
10 6 (1.57%) Jamf Pro
11 5 (1.31%) Single Sign-On
12 3 (0.78%) Netcool
12 3 (0.78%) Oracle Enterprise Manager
12 3 (0.78%) Progress Chef
12 3 (0.78%) Puppet
13 2 (0.52%) Argo
13 2 (0.52%) Kibana
13 2 (0.52%) logstash
13 2 (0.52%) Oozie
Vendors
1 74 (19.32%) Oracle
2 71 (18.54%) Microsoft
3 52 (13.58%) VMware
4 47 (12.27%) Google
5 41 (10.70%) Cisco
6 38 (9.92%) Red Hat
7 34 (8.88%) IBM
8 28 (7.31%) Databricks
9 21 (5.48%) SAP
10 16 (4.18%) ServiceNow
11 14 (3.66%) Fortinet
12 13 (3.39%) Splunk
13 12 (3.13%) Dell
14 11 (2.87%) Atlassian
15 9 (2.35%) Apple
16 8 (2.09%) IFS
16 8 (2.09%) Juniper
16 8 (2.09%) NetApp
16 8 (2.09%) Palo Alto
17 7 (1.83%) Arista