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

6 months to
25 Nov 2025
Same period 2024 Same period 2023
Rank 311 240 213
Rank change year-on-year -71 -27 -27
Permanent jobs citing Unix 388 747 851
As % of all permanent jobs in the UK 0.73% 1.11% 1.65%
As % of the Operating Systems category 7.44% 8.18% 9.45%
Number of salaries quoted 220 288 618
10th Percentile £40,000 £40,000 £42,500
25th Percentile £47,260 £50,000 £48,293
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 5,218 9,135 9,009
As % of all permanent jobs advertised in the UK 9.78% 13.59% 17.49%
Number of salaries quoted 3,903 5,306 7,357
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 £71,250 £68,500
90th Percentile £84,650 £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 25 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 25 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 -48 356 £60,000 +1.48% 91
UK excluding London -54 215 £57,500 +1.75% 72
London +11 164 £75,000 +7.68% 42
Work from Home +18 132 £72,500 +4.61% 70
South East +20 56 £57,750 +5.00% 35
East of England +9 40 £43,085 -21.66% 2
South West +36 39 £57,500 -28.13% 6
Midlands +4 29 £73,801 +34.18% 10
North of England -71 26 £51,250 +2.50% 12
West Midlands +11 21 £75,000 +42.86% 5
Wales +20 13 £56,250 +14.55% 6
North West -34 11 £55,000 +10.00% 10
Scotland -38 11 £73,801 +6.48%
Yorkshire -12 9 £32,875 -41.56%
East Midlands +20 8 £49,000 -10.91% 5
North East +14 6 £73,801 +47.60% 2
Northern Ireland -7 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 (11.34%) Microsoft Exchange
2 34 (8.76%) Apache Spark
3 26 (6.70%) Exchange Server 2003
4 22 (5.67%) Tomcat
4 22 (5.67%) WebSphere
5 16 (4.12%) WebSphere Application Server
6 6 (1.55%) Apache
6 6 (1.55%) Confluence
6 6 (1.55%) nginx
7 5 (1.29%) Anypoint
7 5 (1.29%) WebLogic
8 4 (1.03%) Oracle Workflow
9 3 (0.77%) IIS
9 3 (0.77%) SharePoint
9 3 (0.77%) 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 (5.67%) Microsoft Excel
2 20 (5.15%) Microsoft Office
Business Applications
1 5 (1.29%) Shopify
2 4 (1.03%) NEC Housing
3 3 (0.77%) Oracle EBS
3 3 (0.77%) 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 (34.02%) AWS
2 88 (22.68%) Azure
3 44 (11.34%) GCP
4 39 (10.05%) AWS CloudFormation
5 31 (7.99%) Amazon EKS
5 31 (7.99%) Amazon S3
6 26 (6.70%) Amazon ECR
7 21 (5.41%) Pulumi
8 20 (5.15%) Amazon ECS
8 20 (5.15%) dbt
9 19 (4.90%) Amazon ELB
10 17 (4.38%) Microsoft 365
10 17 (4.38%) Serverless
11 16 (4.12%) Amazon EC2
12 15 (3.87%) AWS Lambda
13 14 (3.61%) PaaS
14 13 (3.35%) OpenShift
15 12 (3.09%) Amazon ElastiCache
15 12 (3.09%) Amazon OpenSearch
15 12 (3.09%) Sentry
Communications & Networking
1 43 (11.08%) TCP/IP
2 31 (7.99%) DNS
3 30 (7.73%) DHCP
4 27 (6.96%) Firewall
4 27 (6.96%) SSL
5 14 (3.61%) VPN
6 12 (3.09%) SAN
7 9 (2.32%) VLAN
8 8 (2.06%) HTTPS
9 7 (1.80%) MPLS
10 6 (1.55%) HTTP
10 6 (1.55%) Modbus
10 6 (1.55%) MQTT
10 6 (1.55%) Network Security
10 6 (1.55%) Reverse Proxy
10 6 (1.55%) VoIP
10 6 (1.55%) Wi-Fi
10 6 (1.55%) Wireshark
11 5 (1.29%) LAN
11 5 (1.29%) WAN
Database & Business Intelligence
1 48 (12.37%) PostgreSQL
2 38 (9.79%) Oracle Database
3 33 (8.51%) Relational Database
4 28 (7.22%) Amazon RDS
5 27 (6.96%) Oracle Database 10g
6 23 (5.93%) Metadata
7 22 (5.67%) SQL Server
8 21 (5.41%) DynamoDB
8 21 (5.41%) Elasticsearch
8 21 (5.41%) Redis
8 21 (5.41%) Spark SQL
9 19 (4.90%) Delta Lake
10 18 (4.64%) DB2
11 16 (4.12%) Big Data
12 15 (3.87%) MySQL
13 14 (3.61%) Hadoop
14 11 (2.84%) Apache Hive
14 11 (2.84%) NoSQL
15 9 (2.32%) Power BI
15 9 (2.32%) Tableau
Development Applications
1 23 (5.93%) Git
2 19 (4.90%) MLflow
3 14 (3.61%) JIRA
4 13 (3.35%) Jenkins
5 7 (1.80%) GitLab
5 7 (1.80%) Maven
6 6 (1.55%) Gradle
7 4 (1.03%) Cypress.io
7 4 (1.03%) JUnit
7 4 (1.03%) LabVIEW
7 4 (1.03%) Toad
8 3 (0.77%) Bitbucket
8 3 (0.77%) CircleCI
8 3 (0.77%) Mocha
8 3 (0.77%) Oracle APEX
8 3 (0.77%) Oracle Forms
8 3 (0.77%) webpack
9 2 (0.52%) Postman
9 2 (0.52%) Sonatype Nexus
9 2 (0.52%) Xcode
General
1 110 (28.35%) Finance
2 94 (24.23%) Social Skills
3 39 (10.05%) Banking
4 31 (7.99%) Analytical Skills
5 26 (6.70%) Law
6 25 (6.44%) Inclusion and Diversity
7 20 (5.15%) Public Sector
8 14 (3.61%) Marketing
8 14 (3.61%) Telecoms
9 13 (3.35%) Investment Banking
10 12 (3.09%) German Language
11 8 (2.06%) Front Office
12 7 (1.80%) Manufacturing
13 6 (1.55%) Electronics
14 5 (1.29%) Documentation Skills
14 5 (1.29%) Legal
15 4 (1.03%) Advertising
15 4 (1.03%) Back Office
15 4 (1.03%) Financial Institution
15 4 (1.03%) Local Government
Job Titles
1 76 (19.59%) Senior
2 36 (9.28%) Administrator
3 35 (9.02%) Applications Support
4 34 (8.76%) Support Engineer
5 33 (8.51%) Developer
6 29 (7.47%) Linux Support
7 28 (7.22%) Systems Administrator
8 26 (6.70%) Analyst
9 25 (6.44%) 3rd Line Support
10 23 (5.93%) Systems Support
11 21 (5.41%) Infrastructure Support
11 21 (5.41%) Machine Learning Engineer
11 21 (5.41%) Software Engineer
12 19 (4.90%) Linux Engineer
12 19 (4.90%) Operations Engineer
12 19 (4.90%) Platform Engineer
13 18 (4.64%) Support Analyst
14 17 (4.38%) Lead
15 15 (3.87%) Unix Support
16 14 (3.61%) Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 35 (9.02%) JSON
2 34 (8.76%) HTML
3 33 (8.51%) XML
4 30 (7.73%) Regular Expression
5 22 (5.67%) LDAP
5 22 (5.67%) PySpark
6 21 (5.41%) NumPy
6 21 (5.41%) Pandas
6 21 (5.41%) PyTorch
6 21 (5.41%) TensorFlow
7 20 (5.15%) Django
7 20 (5.15%) REST
8 19 (4.90%) Keras
8 19 (4.90%) Lambda Expressions
8 19 (4.90%) Metaflow
8 19 (4.90%) scikit-learn
8 19 (4.90%) YAML
9 18 (4.64%) FIX Protocol
9 18 (4.64%) OAuth
9 18 (4.64%) WebSphere MQ
Miscellaneous
1 86 (22.16%) Linux Command Line
2 40 (10.31%) Onboarding
3 25 (6.44%) e-Learning
4 19 (4.90%) Management Information System
5 16 (4.12%) Distributed Systems
6 12 (3.09%) Product Ownership
7 11 (2.84%) PKI
8 10 (2.58%) Algorithms
8 10 (2.58%) IoT
9 9 (2.32%) Driving Licence
10 8 (2.06%) Data Centre
11 7 (1.80%) Data Structures
11 7 (1.80%) Public Cloud
11 7 (1.80%) Replication
12 6 (1.55%) Cyber Kill Chain
12 6 (1.55%) Device Driver
12 6 (1.55%) Foreign Exchange (FX)
12 6 (1.55%) Low-Code
12 6 (1.55%) Private Cloud
13 5 (1.29%) Legacy Systems
Operating Systems
1 243 (62.63%) Linux
2 119 (30.67%) Windows
3 49 (12.63%) Solaris
4 36 (9.28%) Red Hat Enterprise Linux
5 29 (7.47%) HPUX
6 26 (6.70%) Windows Server 2003
7 22 (5.67%) Windows 7
7 22 (5.67%) Windows Server
7 22 (5.67%) Windows Server 2008
8 11 (2.84%) Mac OS
9 9 (2.32%) Debian
10 6 (1.55%) AIX
10 6 (1.55%) CentOS
11 3 (0.77%) Apple iOS
11 3 (0.77%) Oracle Linux
11 3 (0.77%) Ubuntu
12 1 (0.26%) Android
12 1 (0.26%) CoreOS
12 1 (0.26%) Windows Server 2016
12 1 (0.26%) Windows Server 2019
Processes & Methodologies
1 86 (22.16%) Problem-Solving
2 71 (18.30%) CI/CD
3 68 (17.53%) AI
4 62 (15.98%) DevOps
5 60 (15.46%) Agile
6 54 (13.92%) ITIL
7 47 (12.11%) High Availability
8 45 (11.60%) Infrastructure as Code
9 41 (10.57%) Data Analysis
9 41 (10.57%) SDLC
10 40 (10.31%) Machine Learning
10 40 (10.31%) Software Engineering
11 37 (9.54%) Incident Management
12 36 (9.28%) Containerisation
13 31 (7.99%) Change Management
14 30 (7.73%) Computer Science
14 30 (7.73%) Visualisation
15 29 (7.47%) Open Source
15 29 (7.47%) Test Automation
16 28 (7.22%) LLM
Programming Languages
1 213 (54.90%) Python
2 103 (26.55%) SQL
3 51 (13.14%) Bash
4 45 (11.60%) PowerShell
5 35 (9.02%) Java
6 31 (7.99%) Shell Script
7 30 (7.73%) JavaScript
8 27 (6.96%) Perl
9 14 (3.61%) C
9 14 (3.61%) R
10 13 (3.35%) C#
10 13 (3.35%) C++
11 11 (2.84%) PL/SQL
12 10 (2.58%) TypeScript
13 8 (2.06%) Korn
14 7 (1.80%) Go
15 6 (1.55%) MATLAB
16 4 (1.03%) Fortran
16 4 (1.03%) VB
17 3 (0.77%) Scala
Qualifications
1 111 (28.61%) Security Cleared
2 107 (27.58%) Degree
3 96 (24.74%) SC Cleared
4 61 (15.72%) DV Cleared
5 32 (8.25%) CCNA
5 32 (8.25%) Cisco Certification
6 28 (7.22%) AWS Certification
7 25 (6.44%) CCNP
8 21 (5.41%) Computer Science Degree
8 21 (5.41%) ITIL Certification
9 16 (4.12%) CISSP
10 13 (3.35%) Network+ Certification
11 11 (2.84%) CISA
12 8 (2.06%) Master's Degree
12 8 (2.06%) PhD
13 7 (1.80%) ACCA
13 7 (1.80%) CIMA
14 6 (1.55%) GCIA
14 6 (1.55%) GCIH
14 6 (1.55%) OSCP
Quality Assurance & Compliance
1 53 (13.66%) SLA
2 12 (3.09%) GDPR
3 11 (2.84%) QA
4 10 (2.58%) ISO/IEC 27001
5 7 (1.80%) NIST
6 3 (0.77%) COBIT
6 3 (0.77%) Cyber Essentials
6 3 (0.77%) Cyber Essentials PLUS
6 3 (0.77%) ITGC
7 2 (0.52%) Data Quality
8 1 (0.26%) Disclosure Scotland
8 1 (0.26%) Sarbanes-Oxley
System Software
1 73 (18.81%) Docker
2 51 (13.14%) Active Directory
3 23 (5.93%) VMware Infrastructure
4 6 (1.55%) Firmware
4 6 (1.55%) HDFS
5 5 (1.29%) Virtual Desktop
5 5 (1.29%) XenApp
5 5 (1.29%) XenDesktop
6 4 (1.03%) Hyper-V
7 3 (0.77%) Veritas Cluster Server
8 2 (0.52%) Apache Flume
9 1 (0.26%) Oracle RAC
9 1 (0.26%) Virtual Machines
Systems Management
1 66 (17.01%) Terraform
2 47 (12.11%) Kubernetes
3 44 (11.34%) Ansible
4 26 (6.70%) Grafana
5 19 (4.90%) Kubeflow
6 15 (3.87%) Microsoft Intune
7 12 (3.09%) AWS Copilot
8 9 (2.32%) SCCM
9 8 (2.06%) Prometheus
10 6 (1.55%) FortiGate
10 6 (1.55%) Jamf Pro
11 5 (1.29%) Single Sign-On
12 3 (0.77%) Netcool
12 3 (0.77%) Oracle Enterprise Manager
12 3 (0.77%) Progress Chef
12 3 (0.77%) Puppet
13 2 (0.52%) Kibana
13 2 (0.52%) logstash
13 2 (0.52%) Oozie
13 2 (0.52%) Suricata
Vendors
1 71 (18.30%) Oracle
2 70 (18.04%) Microsoft
3 54 (13.92%) VMware
4 45 (11.60%) Google
5 41 (10.57%) Cisco
5 41 (10.57%) Red Hat
6 35 (9.02%) IBM
7 28 (7.22%) Databricks
8 21 (5.41%) SAP
9 16 (4.12%) ServiceNow
10 14 (3.61%) Fortinet
11 13 (3.35%) Splunk
12 12 (3.09%) Atlassian
12 12 (3.09%) Dell
13 9 (2.32%) Apple
14 8 (2.06%) IFS
14 8 (2.06%) Juniper
14 8 (2.06%) NetApp
14 8 (2.06%) Palo Alto
15 7 (1.80%) Arista