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

6 months to
30 Nov 2025
Same period 2024 Same period 2023
Rank 310 242 212
Rank change year-on-year -68 -30 -28
Permanent jobs citing Unix 370 737 851
As % of all permanent jobs in the UK 0.68% 1.13% 1.67%
As % of the Operating Systems category 7.20% 8.13% 9.58%
Number of salaries quoted 211 286 612
10th Percentile £40,000 £40,000 £42,874
25th Percentile £48,125 £50,000 £50,000
Median annual salary (50th Percentile) £60,000 £60,000 £65,000
Median % change year-on-year - -7.69% -
75th Percentile £78,790 £80,000 £84,056
90th Percentile £90,000 £93,778 £96,539
UK excluding London median annual salary £56,430 £56,509 £60,000
% change year-on-year -0.14% -5.82% +18.78%

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 5,140 9,062 8,884
As % of all permanent jobs advertised in the UK 9.50% 13.85% 17.43%
Number of salaries quoted 3,857 5,314 7,313
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 £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 30 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 30 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 -44 339 £58,000 -3.33% 71
UK excluding London -72 205 £56,430 -0.14% 63
London +6 155 £76,250 +8.93% 32
Work from Home +15 129 £72,500 +4.61% 32
South East +25 53 £58,000 +5.45% 25
East of England +19 40 £43,085 -23.41% 1
South West +32 39 £57,500 -28.13% 8
North of England -63 26 £51,722 +3.44% 8
Midlands -5 24 £73,801 +34.18% 15
West Midlands +6 16 £75,000 +42.86% 11
Wales +16 13 £56,250 +14.55% 2
Yorkshire -18 10 £25,750 -54.22%
North West -39 9 £60,000 +20.00% 7
Scotland -41 9 £73,801 +6.48% 3
East Midlands +15 8 £49,000 -10.91% 4
North East +6 7 £61,123 +22.25% 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 (11.89%) Microsoft Exchange
2 33 (8.92%) Apache Spark
3 26 (7.03%) Exchange Server 2003
4 22 (5.95%) Tomcat
4 22 (5.95%) WebSphere
5 16 (4.32%) WebSphere Application Server
6 6 (1.62%) Apache
6 6 (1.62%) Confluence
6 6 (1.62%) nginx
7 5 (1.35%) Anypoint
7 5 (1.35%) WebLogic
8 4 (1.08%) Oracle Workflow
9 3 (0.81%) IIS
9 3 (0.81%) SharePoint
9 3 (0.81%) WebLogic Portal
10 2 (0.54%) Apache Airflow
10 2 (0.54%) JBoss
10 2 (0.54%) SAS
11 1 (0.27%) NetWeaver
11 1 (0.27%) Oracle SOA Suite
Applications
1 22 (5.95%) Microsoft Excel
2 19 (5.14%) Microsoft Office
Business Applications
1 5 (1.35%) Shopify
2 4 (1.08%) NEC Housing
3 3 (0.81%) Oracle EBS
3 3 (0.81%) Primavera
4 2 (0.54%) Fidessa
4 2 (0.54%) SAP S/4HANA
5 1 (0.27%) ION MarketView
5 1 (0.27%) Oracle BPM
5 1 (0.27%) SAP IBP
Cloud Services
1 129 (34.86%) AWS
2 81 (21.89%) Azure
3 45 (12.16%) GCP
4 39 (10.54%) AWS CloudFormation
5 31 (8.38%) Amazon EKS
5 31 (8.38%) Amazon S3
6 26 (7.03%) Amazon ECR
7 21 (5.68%) Pulumi
8 20 (5.41%) Amazon ECS
8 20 (5.41%) dbt
9 19 (5.14%) Amazon ELB
10 17 (4.59%) Serverless
11 16 (4.32%) Microsoft 365
12 15 (4.05%) Amazon EC2
12 15 (4.05%) AWS Lambda
13 14 (3.78%) PaaS
14 13 (3.51%) OpenShift
15 12 (3.24%) Amazon ElastiCache
15 12 (3.24%) Amazon OpenSearch
15 12 (3.24%) Sentry
Communications & Networking
1 40 (10.81%) TCP/IP
2 28 (7.57%) DNS
3 27 (7.30%) DHCP
3 27 (7.30%) SSL
4 23 (6.22%) Firewall
5 11 (2.97%) SAN
5 11 (2.97%) VPN
6 9 (2.43%) VLAN
7 8 (2.16%) HTTPS
8 7 (1.89%) MPLS
9 6 (1.62%) HTTP
9 6 (1.62%) Modbus
9 6 (1.62%) MQTT
9 6 (1.62%) Network Security
9 6 (1.62%) Reverse Proxy
9 6 (1.62%) VoIP
9 6 (1.62%) Wi-Fi
9 6 (1.62%) Wireshark
10 5 (1.35%) LAN
10 5 (1.35%) WAN
Database & Business Intelligence
1 47 (12.70%) PostgreSQL
2 37 (10.00%) Oracle Database
3 30 (8.11%) Relational Database
4 27 (7.30%) Amazon RDS
4 27 (7.30%) Oracle Database 10g
5 23 (6.22%) Metadata
6 21 (5.68%) DynamoDB
6 21 (5.68%) Elasticsearch
6 21 (5.68%) Spark SQL
6 21 (5.68%) SQL Server
7 20 (5.41%) Redis
8 19 (5.14%) Delta Lake
9 18 (4.86%) DB2
10 15 (4.05%) Big Data
11 13 (3.51%) Hadoop
11 13 (3.51%) MySQL
12 11 (2.97%) NoSQL
13 10 (2.70%) Apache Hive
14 9 (2.43%) Power BI
14 9 (2.43%) Tableau
Development Applications
1 20 (5.41%) Git
2 19 (5.14%) MLflow
3 12 (3.24%) Jenkins
4 11 (2.97%) JIRA
5 8 (2.16%) GitLab
6 5 (1.35%) Gradle
6 5 (1.35%) Maven
7 4 (1.08%) Cypress.io
7 4 (1.08%) LabVIEW
7 4 (1.08%) Toad
8 3 (0.81%) CircleCI
8 3 (0.81%) JUnit
8 3 (0.81%) Mocha
8 3 (0.81%) Oracle APEX
8 3 (0.81%) Oracle Forms
8 3 (0.81%) webpack
9 2 (0.54%) Bitbucket
9 2 (0.54%) Browser DevTools
9 2 (0.54%) Sonatype Nexus
10 1 (0.27%) Jasmine
General
1 102 (27.57%) Finance
2 91 (24.59%) Social Skills
3 35 (9.46%) Banking
4 30 (8.11%) Analytical Skills
5 20 (5.41%) Inclusion and Diversity
5 20 (5.41%) Law
6 19 (5.14%) Public Sector
7 14 (3.78%) Telecoms
8 13 (3.51%) Investment Banking
9 12 (3.24%) German Language
10 11 (2.97%) Marketing
11 8 (2.16%) Manufacturing
12 7 (1.89%) Front Office
13 6 (1.62%) Electronics
14 5 (1.35%) Documentation Skills
14 5 (1.35%) Legal
15 4 (1.08%) Advertising
15 4 (1.08%) Back Office
15 4 (1.08%) Local Government
15 4 (1.08%) Presentation Skills
Job Titles
1 71 (19.19%) Senior
2 35 (9.46%) Administrator
3 34 (9.19%) Applications Support
4 33 (8.92%) Support Engineer
5 29 (7.84%) Linux Support
6 28 (7.57%) Systems Administrator
7 26 (7.03%) Analyst
7 26 (7.03%) Developer
8 25 (6.76%) 3rd Line Support
9 23 (6.22%) Systems Support
10 21 (5.68%) Infrastructure Support
10 21 (5.68%) Machine Learning Engineer
11 19 (5.14%) Linux Engineer
11 19 (5.14%) Operations Engineer
11 19 (5.14%) Platform Engineer
12 18 (4.86%) Support Analyst
13 17 (4.59%) Software Engineer
14 16 (4.32%) Unix Support
15 13 (3.51%) Linux Support Engineer
15 13 (3.51%) Senior Platform Engineer
Libraries, Frameworks & Software Standards
1 35 (9.46%) JSON
2 33 (8.92%) XML
3 32 (8.65%) HTML
4 30 (8.11%) Regular Expression
5 22 (5.95%) LDAP
5 22 (5.95%) PySpark
6 21 (5.68%) NumPy
6 21 (5.68%) Pandas
6 21 (5.68%) PyTorch
6 21 (5.68%) TensorFlow
7 20 (5.41%) Django
8 19 (5.14%) Keras
8 19 (5.14%) Lambda Expressions
8 19 (5.14%) Metaflow
8 19 (5.14%) scikit-learn
8 19 (5.14%) YAML
9 18 (4.86%) WebSphere MQ
10 17 (4.59%) FIX Protocol
11 16 (4.32%) LAPP Stack
11 16 (4.32%) OAuth
Miscellaneous
1 86 (23.24%) Linux Command Line
2 39 (10.54%) Onboarding
3 25 (6.76%) e-Learning
4 19 (5.14%) Management Information System
5 15 (4.05%) Distributed Systems
6 11 (2.97%) PKI
7 10 (2.70%) IoT
8 9 (2.43%) Product Ownership
9 8 (2.16%) Algorithms
9 8 (2.16%) Data Centre
10 7 (1.89%) Driving Licence
10 7 (1.89%) Replication
11 6 (1.62%) Cyber Kill Chain
11 6 (1.62%) Device Driver
11 6 (1.62%) Foreign Exchange (FX)
11 6 (1.62%) Low-Code
11 6 (1.62%) Public Cloud
12 5 (1.35%) Clustering
12 5 (1.35%) Hybrid Cloud
12 5 (1.35%) Security Posture
Operating Systems
1 237 (64.05%) Linux
2 115 (31.08%) Windows
3 48 (12.97%) Solaris
4 36 (9.73%) Red Hat Enterprise Linux
5 29 (7.84%) HPUX
6 26 (7.03%) Windows Server 2003
7 22 (5.95%) Windows 7
7 22 (5.95%) Windows Server 2008
8 18 (4.86%) Windows Server
9 10 (2.70%) Mac OS
10 9 (2.43%) Debian
11 6 (1.62%) AIX
12 5 (1.35%) CentOS
13 3 (0.81%) Oracle Linux
13 3 (0.81%) Ubuntu
14 2 (0.54%) Apple iOS
15 1 (0.27%) Android
15 1 (0.27%) SUSE
15 1 (0.27%) Windows Server 2016
15 1 (0.27%) Windows Server 2019
Processes & Methodologies
1 79 (21.35%) Problem-Solving
2 70 (18.92%) CI/CD
3 66 (17.84%) AI
4 62 (16.76%) DevOps
5 55 (14.86%) ITIL
6 52 (14.05%) Agile
7 47 (12.70%) Infrastructure as Code
8 45 (12.16%) High Availability
9 41 (11.08%) Data Analysis
10 38 (10.27%) Machine Learning
11 37 (10.00%) Containerisation
11 37 (10.00%) Incident Management
12 34 (9.19%) Software Engineering
13 33 (8.92%) SDLC
14 32 (8.65%) Change Management
15 30 (8.11%) Visualisation
16 29 (7.84%) Computer Science
17 28 (7.57%) Data Science
17 28 (7.57%) LLM
17 28 (7.57%) Open Source
Programming Languages
1 209 (56.49%) Python
2 95 (25.68%) SQL
3 50 (13.51%) Bash
4 43 (11.62%) PowerShell
5 29 (7.84%) Java
6 28 (7.57%) JavaScript
7 27 (7.30%) Shell Script
8 26 (7.03%) Perl
9 14 (3.78%) R
10 13 (3.51%) C
10 13 (3.51%) C#
11 12 (3.24%) C++
12 9 (2.43%) PL/SQL
13 8 (2.16%) Korn
13 8 (2.16%) TypeScript
14 7 (1.89%) Go
15 6 (1.62%) MATLAB
16 4 (1.08%) Fortran
16 4 (1.08%) VB
17 3 (0.81%) Scala
Qualifications
1 111 (30.00%) Security Cleared
2 105 (28.38%) Degree
3 96 (25.95%) SC Cleared
4 61 (16.49%) DV Cleared
5 32 (8.65%) CCNA
5 32 (8.65%) Cisco Certification
6 28 (7.57%) AWS Certification
7 25 (6.76%) CCNP
8 21 (5.68%) Computer Science Degree
8 21 (5.68%) ITIL Certification
9 16 (4.32%) CISSP
10 10 (2.70%) CISA
10 10 (2.70%) Network+ Certification
11 8 (2.16%) Master's Degree
11 8 (2.16%) PhD
12 7 (1.89%) ACCA
12 7 (1.89%) CIMA
13 6 (1.62%) GCFA
13 6 (1.62%) GCIA
13 6 (1.62%) GCIH
Quality Assurance & Compliance
1 53 (14.32%) SLA
2 12 (3.24%) GDPR
2 12 (3.24%) QA
3 9 (2.43%) ISO/IEC 27001
4 7 (1.89%) NIST
5 3 (0.81%) COBIT
6 2 (0.54%) Cyber Essentials
6 2 (0.54%) Cyber Essentials PLUS
6 2 (0.54%) Data Quality
6 2 (0.54%) ITGC
7 1 (0.27%) Disclosure Scotland
7 1 (0.27%) Sarbanes-Oxley
System Software
1 68 (18.38%) Docker
2 49 (13.24%) Active Directory
3 23 (6.22%) VMware Infrastructure
4 6 (1.62%) Firmware
5 5 (1.35%) HDFS
5 5 (1.35%) Virtual Desktop
5 5 (1.35%) XenApp
5 5 (1.35%) XenDesktop
6 3 (0.81%) Hyper-V
6 3 (0.81%) Veritas Cluster Server
7 2 (0.54%) Apache Flume
8 1 (0.27%) Oracle RAC
8 1 (0.27%) Virtual Machines
Systems Management
1 67 (18.11%) Terraform
2 47 (12.70%) Kubernetes
3 45 (12.16%) Ansible
4 26 (7.03%) Grafana
5 19 (5.14%) Kubeflow
6 12 (3.24%) AWS Copilot
7 11 (2.97%) Microsoft Intune
8 9 (2.43%) Prometheus
9 8 (2.16%) SCCM
10 6 (1.62%) Jamf Pro
11 5 (1.35%) Single Sign-On
12 3 (0.81%) FortiGate
12 3 (0.81%) Netcool
12 3 (0.81%) Oracle Enterprise Manager
12 3 (0.81%) Puppet
13 2 (0.54%) Kibana
13 2 (0.54%) logstash
13 2 (0.54%) Oozie
13 2 (0.54%) Progress Chef
13 2 (0.54%) Suricata
Vendors
1 67 (18.11%) Oracle
2 63 (17.03%) Microsoft
3 54 (14.59%) VMware
4 43 (11.62%) Google
5 42 (11.35%) Red Hat
6 38 (10.27%) Cisco
7 35 (9.46%) IBM
8 27 (7.30%) Databricks
9 20 (5.41%) SAP
10 16 (4.32%) ServiceNow
11 12 (3.24%) Atlassian
11 12 (3.24%) Dell
11 12 (3.24%) Splunk
12 11 (2.97%) Fortinet
13 8 (2.16%) Apple
13 8 (2.16%) IFS
13 8 (2.16%) Juniper
13 8 (2.16%) NetApp
13 8 (2.16%) Palo Alto
14 7 (1.89%) Arista