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

6 months to
18 Nov 2025
Same period 2024 Same period 2023
Rank 314 237 209
Rank change year-on-year -77 -28 -24
Permanent jobs citing Unix 384 751 872
As % of all permanent jobs in the UK 0.73% 1.12% 1.66%
As % of the Operating Systems category 7.24% 8.52% 9.53%
Number of salaries quoted 222 293 636
10th Percentile £40,000 £40,000 £42,500
25th Percentile £46,250 £50,000 £48,750
Median annual salary (50th Percentile) £62,500 £60,000 £65,000
Median % change year-on-year +4.17% -7.69% -
75th Percentile £78,790 £77,500 £84,056
90th Percentile £89,750 £93,522 £95,769
UK excluding London median annual salary £56,965 £55,000 £59,556
% change year-on-year +3.57% -7.65% +16.80%

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 5,304 8,813 9,148
As % of all permanent jobs advertised in the UK 10.08% 13.16% 17.39%
Number of salaries quoted 3,959 5,090 7,454
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 £71,250 £68,750
90th Percentile £83,750 £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 18 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 18 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 -56 351 £60,000 +1.48% 188
UK excluding London -76 211 £56,965 +3.57% 91
London -11 164 £75,000 +7.14% 123
Work from Home +6 135 £71,250 +2.80% 133
South East +24 60 £56,965 +3.57% 31
South West +34 39 £57,500 -24.34% 7
East of England -6 33 £43,085 -21.66% 5
Midlands -6 29 £73,801 +34.18% 13
North of England -66 24 £51,250 +2.50% 22
West Midlands +8 21 £75,000 +27.66% 8
Wales +18 13 £56,250 +14.55% 8
Scotland -41 12 £73,801 +9.90% 3
North West -44 10 £50,000 - 13
East Midlands +15 8 £49,000 -10.91% 5
Yorkshire -15 8 £40,000 -20.00% 9
North East +1 6 £73,801 +47.60%
Northern Ireland -6 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 (11.20%) Microsoft Exchange
2 35 (9.11%) Apache Spark
3 26 (6.77%) Exchange Server 2003
4 23 (5.99%) Tomcat
5 22 (5.73%) WebSphere
6 16 (4.17%) WebSphere Application Server
7 6 (1.56%) Apache
7 6 (1.56%) Confluence
7 6 (1.56%) nginx
8 5 (1.30%) Anypoint
8 5 (1.30%) WebLogic
9 4 (1.04%) IIS
9 4 (1.04%) Oracle Workflow
9 4 (1.04%) SharePoint
10 3 (0.78%) WebLogic Portal
11 2 (0.52%) Apache Airflow
11 2 (0.52%) JBoss
11 2 (0.52%) SAS
12 1 (0.26%) NetWeaver
12 1 (0.26%) Oracle SOA Suite
Applications
1 21 (5.47%) Microsoft Excel
1 21 (5.47%) Microsoft Office
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
1 133 (34.64%) AWS
2 91 (23.70%) Azure
3 42 (10.94%) 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 21 (5.47%) Pulumi
9 20 (5.21%) Amazon ECS
9 20 (5.21%) dbt
10 19 (4.95%) Amazon ELB
10 19 (4.95%) Microsoft 365
11 16 (4.17%) Amazon EC2
11 16 (4.17%) Serverless
12 14 (3.65%) AWS Lambda
13 13 (3.39%) OpenShift
13 13 (3.39%) PaaS
14 12 (3.13%) Amazon ElastiCache
14 12 (3.13%) Amazon OpenSearch
14 12 (3.13%) Sentry
Communications & Networking
1 44 (11.46%) TCP/IP
2 31 (8.07%) DNS
3 30 (7.81%) DHCP
4 28 (7.29%) Firewall
4 28 (7.29%) 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 49 (12.76%) PostgreSQL
2 38 (9.90%) Oracle Database
3 34 (8.85%) Relational Database
4 28 (7.29%) Amazon RDS
5 27 (7.03%) Oracle Database 10g
6 24 (6.25%) SQL Server
7 23 (5.99%) Metadata
8 21 (5.47%) DynamoDB
8 21 (5.47%) Elasticsearch
8 21 (5.47%) Redis
8 21 (5.47%) Spark SQL
9 19 (4.95%) Delta Lake
10 18 (4.69%) DB2
11 17 (4.43%) MySQL
12 16 (4.17%) Big Data
13 15 (3.91%) Hadoop
14 12 (3.13%) Apache Hive
15 10 (2.60%) NoSQL
16 9 (2.34%) Power BI
16 9 (2.34%) Tableau
Development Applications
1 24 (6.25%) Git
2 19 (4.95%) MLflow
3 14 (3.65%) JIRA
4 13 (3.39%) Jenkins
5 8 (2.08%) Maven
6 7 (1.82%) Gradle
7 6 (1.56%) GitLab
8 4 (1.04%) Cypress.io
8 4 (1.04%) JUnit
8 4 (1.04%) LabVIEW
8 4 (1.04%) Toad
9 3 (0.78%) Bitbucket
9 3 (0.78%) CircleCI
9 3 (0.78%) Mocha
9 3 (0.78%) Oracle APEX
9 3 (0.78%) Oracle Forms
9 3 (0.78%) webpack
10 2 (0.52%) Browser DevTools
10 2 (0.52%) Postman
10 2 (0.52%) Sonatype Nexus
General
1 115 (29.95%) Finance
2 96 (25.00%) Social Skills
3 43 (11.20%) Banking
4 32 (8.33%) Analytical Skills
5 31 (8.07%) Law
6 30 (7.81%) Inclusion and Diversity
7 21 (5.47%) Public Sector
8 17 (4.43%) Marketing
9 13 (3.39%) Investment Banking
9 13 (3.39%) Telecoms
10 10 (2.60%) Front Office
11 8 (2.08%) German Language
12 6 (1.56%) Electronics
12 6 (1.56%) Manufacturing
13 5 (1.30%) Documentation Skills
13 5 (1.30%) Legal
14 4 (1.04%) Advertising
14 4 (1.04%) Back Office
14 4 (1.04%) Financial Institution
14 4 (1.04%) Local Government
Job Titles
1 80 (20.83%) 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%) Systems Administrator
6 26 (6.77%) Analyst
6 26 (6.77%) Linux Support
7 25 (6.51%) 3rd Line Support
7 25 (6.51%) Software Engineer
8 23 (5.99%) Systems Support
9 21 (5.47%) Lead
9 21 (5.47%) Machine Learning Engineer
10 19 (4.95%) Infrastructure Support
10 19 (4.95%) Linux Engineer
10 19 (4.95%) Operations Engineer
10 19 (4.95%) Platform Engineer
11 18 (4.69%) Support Analyst
12 15 (3.91%) Infrastructure Engineer
13 13 (3.39%) Consultant
Libraries, Frameworks & Software Standards
1 26 (6.77%) JSON
2 24 (6.25%) HTML
2 24 (6.25%) REST
2 24 (6.25%) XML
3 22 (5.73%) LDAP
3 22 (5.73%) PySpark
4 21 (5.47%) NumPy
4 21 (5.47%) Pandas
4 21 (5.47%) PyTorch
4 21 (5.47%) TensorFlow
5 20 (5.21%) Django
5 20 (5.21%) OAuth
5 20 (5.21%) Regular Expression
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%) FIX Protocol
7 18 (4.69%) WebSphere MQ
Miscellaneous
1 76 (19.79%) Linux Command Line
2 30 (7.81%) Onboarding
3 25 (6.51%) e-Learning
4 18 (4.69%) Management Information System
5 16 (4.17%) Distributed Systems
6 14 (3.65%) Product Ownership
7 12 (3.13%) Algorithms
8 11 (2.86%) PKI
9 9 (2.34%) Data Structures
9 9 (2.34%) IoT
10 8 (2.08%) Driving Licence
10 8 (2.08%) Private Cloud
10 8 (2.08%) Public Cloud
11 7 (1.82%) Replication
12 6 (1.56%) Cloud Native
12 6 (1.56%) Cyber Kill Chain
12 6 (1.56%) Data Centre
12 6 (1.56%) Device Driver
12 6 (1.56%) Equities
12 6 (1.56%) Hybrid Cloud
Operating Systems
1 245 (63.80%) Linux
2 120 (31.25%) 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 24 (6.25%) 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%) Windows Server 2016
14 1 (0.26%) Windows Server 2019
Processes & Methodologies
1 93 (24.22%) Problem-Solving
2 73 (19.01%) CI/CD
3 68 (17.71%) Agile
4 63 (16.41%) DevOps
5 59 (15.36%) AI
6 51 (13.28%) ITIL
7 47 (12.24%) High Availability
7 47 (12.24%) SDLC
8 46 (11.98%) Software Engineering
9 43 (11.20%) Infrastructure as Code
10 42 (10.94%) Machine Learning
11 36 (9.38%) Incident Management
12 35 (9.11%) Containerisation
13 33 (8.59%) Test Automation
14 31 (8.07%) Data Analysis
15 30 (7.81%) Computer Science
15 30 (7.81%) Open Source
15 30 (7.81%) Visualisation
16 28 (7.29%) Change Management
16 28 (7.29%) Data Science
Programming Languages
1 202 (52.60%) Python
2 107 (27.86%) SQL
3 47 (12.24%) Bash
4 45 (11.72%) PowerShell
5 36 (9.38%) Java
6 33 (8.59%) Shell Script
7 31 (8.07%) JavaScript
8 26 (6.77%) Perl
9 15 (3.91%) C++
10 14 (3.65%) C
10 14 (3.65%) C#
10 14 (3.65%) R
11 12 (3.13%) PL/SQL
11 12 (3.13%) TypeScript
12 8 (2.08%) Korn
13 7 (1.82%) Go
14 6 (1.56%) MATLAB
15 4 (1.04%) Fortran
15 4 (1.04%) VB
16 3 (0.78%) Scala
Qualifications
1 112 (29.17%) Security Cleared
2 98 (25.52%) SC Cleared
3 95 (24.74%) Degree
4 61 (15.89%) DV Cleared
5 32 (8.33%) CCNA
5 32 (8.33%) Cisco Certification
6 25 (6.51%) AWS Certification
6 25 (6.51%) CCNP
7 20 (5.21%) Computer Science Degree
8 18 (4.69%) ITIL Certification
9 15 (3.91%) CISSP
10 13 (3.39%) Network+ Certification
11 12 (3.13%) CISA
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%) GCFA
14 6 (1.56%) GCIA
14 6 (1.56%) GCIH
Quality Assurance & Compliance
1 50 (13.02%) SLA
2 12 (3.13%) GDPR
2 12 (3.13%) ISO/IEC 27001
3 10 (2.60%) QA
4 7 (1.82%) NIST
5 4 (1.04%) Cyber Essentials
5 4 (1.04%) Cyber Essentials PLUS
5 4 (1.04%) ITGC
6 3 (0.78%) COBIT
7 2 (0.52%) Data Quality
8 1 (0.26%) Disclosure Scotland
8 1 (0.26%) Sarbanes-Oxley
System Software
1 73 (19.01%) Docker
2 53 (13.80%) Active Directory
3 21 (5.47%) VMware Infrastructure
4 7 (1.82%) 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 2 (0.52%) Apache Flume
8 1 (0.26%) Oracle RAC
8 1 (0.26%) Virtual Machines
Systems Management
1 65 (16.93%) Terraform
2 46 (11.98%) Kubernetes
3 43 (11.20%) Ansible
4 25 (6.51%) Grafana
5 19 (4.95%) Kubeflow
6 17 (4.43%) Microsoft Intune
7 12 (3.13%) AWS Copilot
8 10 (2.60%) SCCM
9 8 (2.08%) Prometheus
10 6 (1.56%) FortiGate
10 6 (1.56%) Jamf Pro
10 6 (1.56%) Single Sign-On
11 3 (0.78%) Netcool
11 3 (0.78%) Oracle Enterprise Manager
11 3 (0.78%) Progress Chef
11 3 (0.78%) Puppet
12 2 (0.52%) Argo
12 2 (0.52%) Kibana
12 2 (0.52%) logstash
12 2 (0.52%) Oozie
Vendors
1 76 (19.79%) Oracle
2 74 (19.27%) Microsoft
3 53 (13.80%) VMware
4 46 (11.98%) Google
5 41 (10.68%) Cisco
6 38 (9.90%) Red Hat
7 34 (8.85%) IBM
8 29 (7.55%) Databricks
9 22 (5.73%) SAP
10 16 (4.17%) ServiceNow
11 14 (3.65%) Fortinet
12 12 (3.13%) Dell
12 12 (3.13%) Splunk
13 11 (2.86%) Atlassian
14 10 (2.60%) Apple
15 8 (2.08%) IFS
15 8 (2.08%) Juniper
15 8 (2.08%) NetApp
15 8 (2.08%) Palo Alto
16 7 (1.82%) Arista