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

6 months to
22 Nov 2025
Same period 2024 Same period 2023
Rank 307 244 207
Rank change year-on-year -63 -37 -26
Permanent jobs citing Unix 383 761 863
As % of all permanent jobs in the UK 0.72% 1.11% 1.65%
As % of the Operating Systems category 7.27% 8.31% 9.49%
Number of salaries quoted 222 299 629
10th Percentile £40,000 £40,000 £42,500
25th Percentile £46,322 £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 £89,750 £93,778 £95,308
UK excluding London median annual salary £56,965 £56,509 £59,556
% change year-on-year +0.81% -5.12% +16.95%

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 5,270 9,153 9,098
As % of all permanent jobs advertised in the UK 9.89% 13.36% 17.41%
Number of salaries quoted 3,946 5,379 7,420
10th Percentile £26,875 £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 22 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 22 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 -52 351 £60,000 +1.48% 162
UK excluding London -73 214 £56,965 +0.81% 82
London +8 160 £75,000 +7.68% 105
Work from Home +18 133 £72,500 +4.61% 77
South East +17 59 £57,500 +4.55% 31
South West +32 39 £57,500 -24.34% 6
East of England +2 36 £43,085 -21.66% 4
Midlands +12 29 £73,801 +34.18% 13
North of England -73 26 £51,250 +2.50% 14
West Midlands +13 21 £75,000 +27.66% 7
Wales +18 13 £56,250 +14.55% 9
Scotland -36 11 £73,801 +6.48% 3
North West -40 11 £55,000 +10.00% 10
Yorkshire -19 9 £32,875 -41.56% 3
East Midlands +19 8 £49,000 -10.91% 5
North East +13 6 £73,801 +47.60% 1
Northern Ireland -3 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
1 130 (33.94%) AWS
2 89 (23.24%) 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 43 (11.23%) 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 32 (8.36%) 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 15 (3.92%) Big Data
10 15 (3.92%) MySQL
11 14 (3.66%) Hadoop
12 11 (2.87%) Apache Hive
12 11 (2.87%) NoSQL
13 9 (2.35%) Power BI
13 9 (2.35%) Tableau
Development Applications
1 23 (6.01%) 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%) Sonatype Nexus
9 2 (0.52%) Xcode
General
1 108 (28.20%) Finance
2 95 (24.80%) Social Skills
3 39 (10.18%) Banking
4 31 (8.09%) Analytical Skills
5 25 (6.53%) Inclusion and Diversity
5 25 (6.53%) Law
6 20 (5.22%) Public Sector
7 14 (3.66%) Marketing
7 14 (3.66%) Telecoms
8 13 (3.39%) Investment Banking
9 10 (2.61%) German Language
10 9 (2.35%) Front Office
11 7 (1.83%) Manufacturing
12 6 (1.57%) Electronics
13 5 (1.31%) Documentation Skills
13 5 (1.31%) 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 77 (20.10%) Senior
2 37 (9.66%) Administrator
3 35 (9.14%) Applications Support
4 34 (8.88%) Support Engineer
5 33 (8.62%) Developer
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 23 (6.01%) Systems Support
10 21 (5.48%) Machine Learning Engineer
10 21 (5.48%) Software Engineer
11 19 (4.96%) Linux Engineer
11 19 (4.96%) Operations Engineer
11 19 (4.96%) Platform Engineer
12 18 (4.70%) Infrastructure Support
12 18 (4.70%) Support Analyst
13 17 (4.44%) Lead
14 14 (3.66%) Infrastructure Engineer
15 13 (3.39%) Linux Support Engineer
Libraries, Frameworks & Software Standards
1 30 (7.83%) JSON
2 29 (7.57%) HTML
3 28 (7.31%) XML
4 25 (6.53%) Regular Expression
5 22 (5.74%) LDAP
5 22 (5.74%) PySpark
6 21 (5.48%) NumPy
6 21 (5.48%) Pandas
6 21 (5.48%) PyTorch
6 21 (5.48%) TensorFlow
7 20 (5.22%) Django
7 20 (5.22%) REST
8 19 (4.96%) Keras
8 19 (4.96%) Lambda Expressions
8 19 (4.96%) Metaflow
8 19 (4.96%) scikit-learn
8 19 (4.96%) YAML
9 18 (4.70%) OAuth
9 18 (4.70%) WebSphere MQ
10 17 (4.44%) FIX Protocol
Miscellaneous
1 81 (21.15%) Linux Command Line
2 35 (9.14%) Onboarding
3 25 (6.53%) e-Learning
4 19 (4.96%) Management Information System
5 16 (4.18%) Distributed Systems
6 12 (3.13%) Product Ownership
7 11 (2.87%) PKI
8 10 (2.61%) Algorithms
9 9 (2.35%) Driving Licence
9 9 (2.35%) IoT
10 7 (1.83%) Data Structures
10 7 (1.83%) Replication
11 6 (1.57%) Cyber Kill Chain
11 6 (1.57%) Data Centre
11 6 (1.57%) Device Driver
11 6 (1.57%) Hybrid Cloud
11 6 (1.57%) Low-Code
11 6 (1.57%) Private Cloud
11 6 (1.57%) Public Cloud
12 5 (1.31%) Legacy Systems
Operating Systems
1 242 (63.19%) Linux
2 119 (31.07%) Windows
3 52 (13.58%) Solaris
4 35 (9.14%) 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%) SUSE
13 1 (0.26%) Windows Server 2016
13 1 (0.26%) Windows Server 2019
Processes & Methodologies
1 88 (22.98%) Problem-Solving
2 71 (18.54%) CI/CD
3 63 (16.45%) AI
4 62 (16.19%) DevOps
5 60 (15.67%) Agile
6 51 (13.32%) ITIL
7 46 (12.01%) High Availability
8 45 (11.75%) Infrastructure as Code
9 41 (10.70%) SDLC
10 40 (10.44%) Machine Learning
10 40 (10.44%) Software Engineering
11 37 (9.66%) Incident Management
12 36 (9.40%) Containerisation
12 36 (9.40%) Data Analysis
13 30 (7.83%) Computer Science
13 30 (7.83%) Visualisation
14 29 (7.57%) Open Source
14 29 (7.57%) Test Automation
15 28 (7.31%) Change Management
15 28 (7.31%) Data Science
Programming Languages
1 206 (53.79%) Python
2 103 (26.89%) SQL
3 50 (13.05%) Bash
4 45 (11.75%) PowerShell
5 34 (8.88%) Java
6 31 (8.09%) Shell Script
7 30 (7.83%) JavaScript
8 26 (6.79%) Perl
9 14 (3.66%) C#
9 14 (3.66%) R
10 13 (3.39%) C
10 13 (3.39%) C++
11 11 (2.87%) PL/SQL
12 10 (2.61%) TypeScript
13 8 (2.09%) Korn
14 7 (1.83%) Go
15 6 (1.57%) MATLAB
16 4 (1.04%) Fortran
16 4 (1.04%) VB
17 3 (0.78%) Scala
Qualifications
1 113 (29.50%) Security Cleared
2 100 (26.11%) Degree
3 98 (25.59%) SC Cleared
4 61 (15.93%) DV Cleared
5 32 (8.36%) CCNA
5 32 (8.36%) Cisco Certification
6 25 (6.53%) AWS Certification
6 25 (6.53%) CCNP
7 21 (5.48%) Computer Science Degree
8 18 (4.70%) ITIL Certification
9 16 (4.18%) CISSP
10 13 (3.39%) Network+ Certification
11 11 (2.87%) CISA
12 8 (2.09%) Master's Degree
12 8 (2.09%) PhD
13 7 (1.83%) ACCA
13 7 (1.83%) CIMA
14 6 (1.57%) GCFA
14 6 (1.57%) GCIA
14 6 (1.57%) GCIH
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 73 (19.06%) 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 66 (17.23%) Terraform
2 47 (12.27%) Kubernetes
3 42 (10.97%) 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 53 (13.84%) VMware
4 45 (11.75%) Google
5 41 (10.70%) Cisco
6 39 (10.18%) 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