Unix
UK

The table below provides summary statistics for permanent job vacancies requiring Unix skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited Unix over the 6 months leading up to 30 April 2025, comparing them to the same period in the previous two years.

6 months to
30 Apr 2025
Same period 2024 Same period 2023
Rank 368 282 197
Rank change year-on-year -86 -85 -8
Permanent jobs citing Unix 363 1,015 1,979
As % of all permanent jobs advertised in the UK 0.70% 1.03% 1.90%
As % of the Operating Systems category 5.51% 7.19% 11.90%
Number of salaries quoted 236 548 1,026
10th Percentile £35,875 £36,250 £42,178
25th Percentile £49,813 £43,750 £52,511
Median annual salary (50th Percentile) £69,384 £60,000 £70,000
Median % change year-on-year +15.64% -14.29% +12.00%
75th Percentile £82,751 £82,548 £89,852
90th Percentile £93,778 £100,064 £111,875
UK excluding London median annual salary £65,000 £52,500 £56,000
% change year-on-year +23.81% -6.25% +9.80%

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 6,583 14,121 16,635
As % of all permanent jobs advertised in the UK 12.62% 14.36% 15.99%
Number of salaries quoted 4,456 10,927 11,200
10th Percentile £27,500 £25,760 £27,000
25th Percentile £33,250 £31,250 £35,000
Median annual salary (50th Percentile) £47,500 £45,000 £52,500
Median % change year-on-year +5.56% -14.29% -
75th Percentile £67,500 £62,500 £71,250
90th Percentile £85,625 £80,000 £92,500
UK excluding London median annual salary £42,000 £42,500 £45,000
% change year-on-year -1.18% -5.56% -

Unix
Job Vacancy Trend

Job postings citing Unix as a proportion of all IT jobs advertised.

Job vacancy trend for Unix in the UK

Unix
Salary Trend

3-month moving average salary quoted in jobs citing Unix.

Salary trend for Unix in the UK

Unix
Salary Histogram

Salary distribution for jobs citing Unix over the 6 months to 30 April 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 April 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 -49 289 £65,000 +8.33% 282
UK excluding London -78 211 £65,000 +23.81% 136
Work from Home +42 158 £69,384 +10.51% 185
London +12 136 £76,250 -4.69% 174
North of England +2 57 £69,384 +26.15% 34
South East +32 47 £42,000 -18.84% 30
North West +4 40 £68,505 +24.55% 19
Scotland -9 28 £70,000 +66.27% 27
Wales +13 27 £75,000 +54.65% 1
Midlands +8 24 £60,000 +20.00% 12
West Midlands +29 23 £60,000 +20.00% 8
South West +40 16 £71,991 +37.13% 11
Yorkshire +32 12 £85,253 +20.80% 10
East of England +50 7 £27,500 -29.03% 18
North East +36 5 £69,384 +56.71% 5
Northern Ireland +24 5 £90,000 +16.13% 6
East Midlands +18 1 £70,000 +40.00% 4

Unix
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 24 (6.61%) Microsoft Exchange
2 20 (5.51%) Apache
3 19 (5.23%) Confluence
4 13 (3.58%) Apache Airflow
5 12 (3.31%) Apache Spark
6 10 (2.75%) Tomcat
7 7 (1.93%) IIS
8 6 (1.65%) GemFire
9 5 (1.38%) NetWeaver
9 5 (1.38%) SharePoint
9 5 (1.38%) WebSphere
10 1 (0.28%) OpenStack
10 1 (0.28%) Oracle SOA Suite
10 1 (0.28%) WebLogic
Applications
1 27 (7.44%) Microsoft Office
2 25 (6.89%) Microsoft Excel
3 4 (1.10%) Microsoft Project
4 3 (0.83%) MS Visio
Business Applications
1 29 (7.99%) NEC Housing
2 9 (2.48%) Fidessa
3 7 (1.93%) Oracle EBS
4 6 (1.65%) Oracle Applications
5 5 (1.38%) Oracle Subledger Accounting
6 3 (0.83%) Remedy ITSM
7 2 (0.55%) SAP Oil and Gas
8 1 (0.28%) ION Anvil
8 1 (0.28%) ION MarketView
8 1 (0.28%) Oracle Payables
8 1 (0.28%) Oracle Retail
Cloud Services
1 86 (23.69%) Azure
2 66 (18.18%) AWS
3 38 (10.47%) GCP
4 22 (6.06%) Cloud Computing
5 19 (5.23%) GitHub
6 18 (4.96%) Microsoft 365
7 14 (3.86%) AWS CloudFormation
8 13 (3.58%) Apigee
8 13 (3.58%) Google Kubernetes Engine
9 12 (3.31%) Amazon ECS
10 11 (3.03%) Amazon ECR
10 11 (3.03%) Amazon ElastiCache
10 11 (3.03%) Amazon OpenSearch
10 11 (3.03%) AWS CodeBuild
10 11 (3.03%) dbt
10 11 (3.03%) Pulumi
11 10 (2.75%) Sentry
12 9 (2.48%) OpenShift
13 8 (2.20%) IaaS
13 8 (2.20%) PaaS
Communications & Networking
1 53 (14.60%) TCP/IP
2 33 (9.09%) DNS
3 30 (8.26%) Firewall
4 25 (6.89%) Network Security
5 22 (6.06%) DHCP
6 18 (4.96%) SSL
7 12 (3.31%) Modbus
7 12 (3.31%) MQTT
7 12 (3.31%) WAN
8 11 (3.03%) HTTP
8 11 (3.03%) LAN
8 11 (3.03%) VLAN
9 9 (2.48%) FIX Connectivity
10 8 (2.20%) 5G
10 8 (2.20%) SD-WAN
11 7 (1.93%) IPv4
11 7 (1.93%) VPN
12 6 (1.65%) DMARC
12 6 (1.65%) Internet
12 6 (1.65%) SMTP
Database & Business Intelligence
1 53 (14.60%) PostgreSQL
2 52 (14.33%) Relational Database
3 48 (13.22%) SQL Server
4 32 (8.82%) NoSQL
5 27 (7.44%) RDBMS
6 19 (5.23%) Oracle Reports
7 18 (4.96%) MongoDB
7 18 (4.96%) Redis
8 14 (3.86%) Amazon RDS
8 14 (3.86%) Elasticsearch
9 12 (3.31%) Oracle Database
10 11 (3.03%) Data Warehouse
10 11 (3.03%) DB2
10 11 (3.03%) Hadoop
11 9 (2.48%) Apache Hudi
11 9 (2.48%) Apache Iceberg
11 9 (2.48%) Delta Lake
11 9 (2.48%) SAP HANA
12 7 (1.93%) Oracle Exadata
13 6 (1.65%) Big Data
Development Applications
1 49 (13.50%) Git
2 42 (11.57%) Jenkins
3 28 (7.71%) JIRA
4 18 (4.96%) Maven
5 17 (4.68%) JUnit
6 15 (4.13%) SonarQube
7 13 (3.58%) Sonatype Nexus
8 11 (3.03%) Bitbucket
9 9 (2.48%) Oracle Forms
10 8 (2.20%) Subversion
11 5 (1.38%) IBM UrbanCode
12 4 (1.10%) JMeter
12 4 (1.10%) LabVIEW
12 4 (1.10%) Spinnaker
13 3 (0.83%) Atlassian Bamboo
13 3 (0.83%) GitLab
13 3 (0.83%) SoapUI
14 2 (0.55%) CircleCI
14 2 (0.55%) Mockito
14 2 (0.55%) REST Assured
General
1 145 (39.94%) Finance
2 136 (37.47%) Social Skills
3 83 (22.87%) Banking
4 63 (17.36%) Analytical Skills
5 34 (9.37%) Public Sector
6 30 (8.26%) Local Government
6 30 (8.26%) Police
7 29 (7.99%) Social Housing
8 25 (6.89%) Inclusion and Diversity
9 21 (5.79%) Presentation Skills
10 16 (4.41%) Front Office
11 14 (3.86%) Law
12 11 (3.03%) Investment Banking
12 11 (3.03%) Retail
13 10 (2.75%) Back Office
14 9 (2.48%) Telecoms
15 6 (1.65%) Billing
16 5 (1.38%) Electronics
16 5 (1.38%) Financial Institution
16 5 (1.38%) General Ledger
Job Titles
1 78 (21.49%) Senior
2 56 (15.43%) Analyst
3 42 (11.57%) Software Engineer
4 37 (10.19%) Developer
4 37 (10.19%) Support Analyst
5 35 (9.64%) Consultant
5 35 (9.64%) Lead
6 29 (7.99%) Implementation Consultant
7 24 (6.61%) Applications Support
8 21 (5.79%) Senior Software Engineer
9 18 (4.96%) Data Engineer
10 15 (4.13%) Unix Support
11 14 (3.86%) Administrator
11 14 (3.86%) Banking Analyst
11 14 (3.86%) Infrastructure Engineer
11 14 (3.86%) Linux Support
11 14 (3.86%) SQL Analyst
11 14 (3.86%) SQL Support Analyst
12 13 (3.58%) Lead Developer
12 13 (3.58%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 28 (7.71%) .NET
2 23 (6.34%) Kafka
3 22 (6.06%) FIX Protocol
4 21 (5.79%) Middleware
4 21 (5.79%) Spring
5 18 (4.96%) Spring Boot
6 16 (4.41%) Hibernate
6 16 (4.41%) HTML
7 15 (4.13%) RESTful
8 14 (3.86%) REST
8 14 (3.86%) SOAP
8 14 (3.86%) XML
9 11 (3.03%) Django
10 9 (2.48%) PyArrow
10 9 (2.48%) PySpark
10 9 (2.48%) Web Services
11 7 (1.93%) J2EE
11 7 (1.93%) JSON
11 7 (1.93%) Oracle Fusion
11 7 (1.93%) Oracle GoldenGate
Miscellaneous
1 29 (7.99%) Housing Association
2 23 (6.34%) Management Information System
3 22 (6.06%) IoT
4 21 (5.79%) Self-Motivation
5 20 (5.51%) Algorithms
6 17 (4.68%) Clustering
6 17 (4.68%) Derivative
7 16 (4.41%) Equities
8 14 (3.86%) Foreign Exchange (FX)
9 13 (3.58%) Fixed Income
10 12 (3.31%) Device Driver
10 12 (3.31%) Distributed Systems
10 12 (3.31%) Onboarding
11 11 (3.03%) Data Centre
12 10 (2.75%) Self-Driving Car
13 8 (2.20%) Equity Derivative
13 8 (2.20%) Eurex
13 8 (2.20%) Linux Command Line
14 6 (1.65%) Data Protection Act
14 6 (1.65%) Reference Data
Operating Systems
1 267 (73.55%) Linux
2 122 (33.61%) Windows
3 28 (7.71%) Red Hat Enterprise Linux
4 27 (7.44%) Windows Server
5 20 (5.51%) Solaris
6 17 (4.68%) AIX
7 13 (3.58%) CentOS
7 13 (3.58%) zOS
8 9 (2.48%) Rocky
9 8 (2.20%) Mac OS
9 8 (2.20%) Ubuntu
10 4 (1.10%) Windows Server 2008
10 4 (1.10%) Windows Server 2019
11 2 (0.55%) CoreOS
11 2 (0.55%) Embedded Linux
11 2 (0.55%) Oracle Linux
11 2 (0.55%) VMS
12 1 (0.28%) Amazon Linux
12 1 (0.28%) Debian
Processes & Methodologies
1 113 (31.13%) Problem-Solving
2 90 (24.79%) DevOps
3 81 (22.31%) CI/CD
4 67 (18.46%) Agile
5 56 (15.43%) Software Engineering
6 52 (14.33%) Computer Science
7 40 (11.02%) Disaster Recovery
8 38 (10.47%) Mentoring
9 35 (9.64%) ITIL
10 34 (9.37%) Change Management
11 31 (8.54%) Customer Service
12 30 (8.26%) Microservices
13 29 (7.99%) Housing Management
14 28 (7.71%) Collaborative Working
14 28 (7.71%) Infrastructure as Code
15 27 (7.44%) Open Source
15 27 (7.44%) Technical Leadership
15 27 (7.44%) Test Automation
16 26 (7.16%) Roadmaps
16 26 (7.16%) SDLC
Programming Languages
1 199 (54.82%) SQL
2 137 (37.74%) Python
3 71 (19.56%) Java
4 57 (15.70%) Bash
5 47 (12.95%) PowerShell
6 44 (12.12%) C++
7 42 (11.57%) JavaScript
8 41 (11.29%) C
9 38 (10.47%) Shell Script
10 26 (7.16%) Perl
11 21 (5.79%) T-SQL
12 20 (5.51%) C#
13 17 (4.68%) Go
14 11 (3.03%) PL/SQL
15 10 (2.75%) Fortran
16 8 (2.20%) Groovy
17 7 (1.93%) MATLAB
17 7 (1.93%) PHP
18 5 (1.38%) JCL
18 5 (1.38%) VBA
Qualifications
1 59 (16.25%) Degree
2 39 (10.74%) Security Cleared
3 31 (8.54%) SC Cleared
4 29 (7.99%) DBS Check
5 16 (4.41%) Computer Science Degree
6 15 (4.13%) DV Cleared
7 11 (3.03%) Master's Degree
8 10 (2.75%) PhD
9 6 (1.65%) AWS Certification
10 5 (1.38%) OCA
10 5 (1.38%) OCP
10 5 (1.38%) Oracle Certification
11 4 (1.10%) HND
11 4 (1.10%) PMI Certification
11 4 (1.10%) PMP
12 3 (0.83%) AWS Certified DevOps Engineer
12 3 (0.83%) Azure Certification
12 3 (0.83%) ITIL Certification
12 3 (0.83%) Microsoft Certification
12 3 (0.83%) Numerate Degree
Quality Assurance & Compliance
1 47 (12.95%) Accessibility
2 17 (4.68%) Sarbanes-Oxley
3 13 (3.58%) SLA
4 12 (3.31%) Data Quality
5 10 (2.75%) QA
6 8 (2.20%) ISO/IEC 27001
7 6 (1.65%) GDPR
8 5 (1.38%) FINRA
9 3 (0.83%) Cyber Essentials
9 3 (0.83%) Cyber Essentials PLUS
9 3 (0.83%) PCI DSS
9 3 (0.83%) PMO
10 1 (0.28%) COBIT
10 1 (0.28%) COSO
10 1 (0.28%) ITGC
10 1 (0.28%) NIST
10 1 (0.28%) Software Quality Assurance
System Software
1 46 (12.67%) Docker
2 26 (7.16%) Active Directory
3 17 (4.68%) Firmware
4 13 (3.58%) Hyper-V
5 11 (3.03%) VMware Infrastructure
6 10 (2.75%) HDFS
7 5 (1.38%) Embedded Firmware
7 5 (1.38%) Veritas Cluster Server
8 4 (1.10%) vSphere
9 3 (0.83%) Virtual Machines
10 2 (0.55%) KVM
10 2 (0.55%) Postfix
10 2 (0.55%) Sendmail
10 2 (0.55%) VMware ESXi
11 1 (0.28%) LXC
11 1 (0.28%) NFS
11 1 (0.28%) Samba
11 1 (0.28%) vCloud
Systems Management
1 47 (12.95%) Kubernetes
2 38 (10.47%) Terraform
3 29 (7.99%) Ansible
4 24 (6.61%) Grafana
5 15 (4.13%) Istio
6 11 (3.03%) AWS Copilot
7 8 (2.20%) Prometheus
8 7 (1.93%) CA Endevor
8 7 (1.93%) Microsoft Intune
8 7 (1.93%) Oracle RMAN
9 6 (1.65%) Progress Chef
9 6 (1.65%) Puppet
9 6 (1.65%) Single Sign-On
10 5 (1.38%) Tivoli Storage Manager
11 2 (0.55%) Nagios
11 2 (0.55%) Nessus
11 2 (0.55%) SCCM
12 1 (0.28%) FortiGate
12 1 (0.28%) ITRS Geneos
12 1 (0.28%) logstash
Vendors
1 85 (23.42%) Oracle
2 44 (12.12%) Red Hat
3 29 (7.99%) NEC
4 27 (7.44%) Microsoft
5 21 (5.79%) VMware
6 15 (4.13%) Google
7 12 (3.31%) SAP
7 12 (3.31%) Splunk
8 11 (3.03%) IBM
9 10 (2.75%) Atlassian
9 10 (2.75%) Veeam
10 9 (2.48%) Bloomberg
10 9 (2.48%) Dynatrace
10 9 (2.48%) ION Trading
11 8 (2.20%) CQG
11 8 (2.20%) Patsystems
11 8 (2.20%) Reuters
11 8 (2.20%) Trayport
12 7 (1.93%) Sybase
13 6 (1.65%) Symantec