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 3 April 2025, comparing them to the same period in the previous two years.

6 months to
3 Apr 2025
Same period 2024 Same period 2023
Rank 312 269 199
Rank change year-on-year -43 -70 -10
Permanent jobs citing Unix 460 1,008 2,137
As % of all permanent jobs advertised in the UK 0.91% 1.09% 1.94%
As % of the Operating Systems category 7.53% 7.40% 12.23%
Number of salaries quoted 261 532 1,119
10th Percentile £40,000 £37,101 £40,200
25th Percentile £51,250 £45,000 £51,250
Median annual salary (50th Percentile) £69,308 £60,000 £69,447
Median % change year-on-year +15.51% -13.60% +11.12%
75th Percentile £82,751 £82,548 £89,852
90th Percentile £93,778 £100,064 £112,500
UK excluding London median annual salary £65,000 £52,500 £52,500
% change year-on-year +23.81% - -

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 6,105 13,620 17,468
As % of all permanent jobs advertised in the UK 12.08% 14.67% 15.89%
Number of salaries quoted 4,399 10,819 11,838
10th Percentile £27,750 £25,760 £27,000
25th Percentile £35,000 £31,250 £35,000
Median annual salary (50th Percentile) £50,000 £45,000 £52,500
Median % change year-on-year +11.11% -14.29% -
75th Percentile £70,000 £62,500 £72,000
90th Percentile £88,750 £80,000 £93,750
UK excluding London median annual salary £45,000 £42,500 £45,000
% change year-on-year +5.88% -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 3 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 3 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 -5 376 £65,000 +8.33% 477
UK excluding London -39 280 £65,000 +23.81% 179
Work from Home +47 184 £69,308 +10.39% 219
London +24 160 £70,000 -9.68% 346
North of England +34 83 £69,384 +26.15% 31
North West +30 59 £69,308 +26.01% 19
South East +38 50 £41,000 -31.67% 58
Midlands +31 38 £61,250 +22.50% 12
West Midlands +32 37 £60,000 +20.00% 8
Wales +13 29 £75,000 +22.38% 7
Scotland -22 28 £74,059 +75.49% 28
East of England +69 24 £60,000 +54.84% 33
South West +26 18 £71,991 +37.13% 9
Yorkshire +40 16 £85,253 +20.80% 8
Northern Ireland +25 10 £90,000 +28.57% 5
North East +31 8 £69,308 +56.54% 4
East Midlands +20 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 26 (5.65%) Apache
2 25 (5.43%) Confluence
2 25 (5.43%) Microsoft Exchange
3 17 (3.70%) Apache Airflow
4 16 (3.48%) Apache Spark
5 6 (1.30%) GemFire
5 6 (1.30%) Tomcat
6 5 (1.09%) NetWeaver
6 5 (1.09%) SharePoint
6 5 (1.09%) WebSphere
7 2 (0.43%) IIS
7 2 (0.43%) nginx
8 1 (0.22%) OpenStack
8 1 (0.22%) Oracle SOA Suite
8 1 (0.22%) WebLogic
Applications
1 26 (5.65%) Microsoft Excel
2 22 (4.78%) Microsoft Office
3 6 (1.30%) Microsoft Project
4 5 (1.09%) MS Visio
5 2 (0.43%) Adobe Creative Suite
5 2 (0.43%) InDesign
5 2 (0.43%) Photoshop
Business Applications
1 75 (16.30%) NEC Housing
2 10 (2.17%) Fidessa
3 7 (1.52%) Oracle EBS
4 6 (1.30%) Oracle Applications
5 5 (1.09%) Oracle Subledger Accounting
6 3 (0.65%) Remedy ITSM
7 2 (0.43%) SAP Oil and Gas
8 1 (0.22%) ION Anvil
8 1 (0.22%) ION MarketView
8 1 (0.22%) Oracle Payables
8 1 (0.22%) Oracle Retail
8 1 (0.22%) SAP IBP
8 1 (0.22%) SAP S/4HANA
Cloud Services
1 99 (21.52%) Azure
2 79 (17.17%) AWS
3 52 (11.30%) GCP
4 40 (8.70%) Cloud Computing
5 27 (5.87%) AWS CloudFormation
6 26 (5.65%) Amazon ECS
7 25 (5.43%) Amazon ECR
7 25 (5.43%) Amazon ElastiCache
7 25 (5.43%) Amazon OpenSearch
7 25 (5.43%) AWS CodeBuild
7 25 (5.43%) dbt
7 25 (5.43%) Pulumi
8 21 (4.57%) PaaS
9 19 (4.13%) GitHub
10 16 (3.48%) Sentry
11 15 (3.26%) Microsoft 365
12 13 (2.83%) Apigee
12 13 (2.83%) Google Kubernetes Engine
12 13 (2.83%) OpenShift
13 7 (1.52%) IaaS
Communications & Networking
1 68 (14.78%) TCP/IP
2 38 (8.26%) DNS
3 36 (7.83%) Firewall
4 30 (6.52%) Network Security
5 24 (5.22%) DHCP
6 20 (4.35%) Internet
7 14 (3.04%) SSL
8 12 (2.61%) LAN
8 12 (2.61%) Modbus
8 12 (2.61%) MQTT
8 12 (2.61%) WAN
9 11 (2.39%) HTTP
9 11 (2.39%) VLAN
10 10 (2.17%) FIX Connectivity
11 8 (1.74%) 5G
11 8 (1.74%) IPv4
11 8 (1.74%) SD-WAN
12 7 (1.52%) SAN
13 6 (1.30%) SMTP
14 5 (1.09%) FTP
Database & Business Intelligence
1 64 (13.91%) PostgreSQL
2 51 (11.09%) Relational Database
3 47 (10.22%) SQL Server
4 33 (7.17%) NoSQL
5 32 (6.96%) Redis
6 28 (6.09%) Amazon RDS
6 28 (6.09%) Elasticsearch
7 24 (5.22%) RDBMS
8 22 (4.78%) DB2
9 19 (4.13%) Oracle Reports
10 18 (3.91%) MongoDB
11 15 (3.26%) Data Warehouse
11 15 (3.26%) Hadoop
12 13 (2.83%) Apache Hudi
12 13 (2.83%) Apache Iceberg
12 13 (2.83%) Delta Lake
13 12 (2.61%) Oracle Database
14 10 (2.17%) SAP HANA
15 7 (1.52%) Oracle Exadata
16 6 (1.30%) Big Data
Development Applications
1 58 (12.61%) Git
2 42 (9.13%) Jenkins
3 34 (7.39%) JIRA
4 20 (4.35%) Maven
5 15 (3.26%) Bitbucket
5 15 (3.26%) JUnit
5 15 (3.26%) SonarQube
6 13 (2.83%) Sonatype Nexus
7 11 (2.39%) Subversion
8 9 (1.96%) LabVIEW
8 9 (1.96%) Oracle Forms
9 5 (1.09%) IBM UrbanCode
10 4 (0.87%) JMeter
10 4 (0.87%) Spinnaker
11 3 (0.65%) Atlassian Bamboo
11 3 (0.65%) GitLab
11 3 (0.65%) SoapUI
12 2 (0.43%) Postman
12 2 (0.43%) REST Assured
12 2 (0.43%) XCTest
General
1 189 (41.09%) Finance
2 131 (28.48%) Social Skills
3 84 (18.26%) Banking
4 80 (17.39%) Public Sector
5 76 (16.52%) Local Government
5 76 (16.52%) Police
6 75 (16.30%) Social Housing
7 66 (14.35%) Analytical Skills
8 40 (8.70%) Inclusion and Diversity
9 18 (3.91%) Law
10 17 (3.70%) Presentation Skills
11 14 (3.04%) Telecoms
12 12 (2.61%) Retail
13 11 (2.39%) Back Office
13 11 (2.39%) Electronics
13 11 (2.39%) Front Office
14 10 (2.17%) Advertising
15 9 (1.96%) Investment Banking
16 8 (1.74%) Legal
17 6 (1.30%) Aerospace
Job Titles
1 85 (18.48%) Consultant
1 85 (18.48%) Senior
2 75 (16.30%) Implementation Consultant
3 61 (13.26%) Analyst
4 48 (10.43%) Software Engineer
5 44 (9.57%) Developer
6 41 (8.91%) Support Analyst
7 31 (6.74%) Applications Support
8 30 (6.52%) Lead
9 23 (5.00%) Data Engineer
10 20 (4.35%) Senior Software Engineer
11 16 (3.48%) Applications Support Analyst
11 16 (3.48%) Unix Support
12 15 (3.26%) Banking Analyst
12 15 (3.26%) Infrastructure Engineer
12 15 (3.26%) Linux Support
12 15 (3.26%) Python Engineer
13 14 (3.04%) SQL Analyst
13 14 (3.04%) SQL Support Analyst
14 13 (2.83%) Senior Data Engineer
Libraries, Frameworks & Software Standards
1 29 (6.30%) .NET
2 28 (6.09%) Django
3 25 (5.43%) Kafka
4 24 (5.22%) FIX Protocol
5 22 (4.78%) Spring
6 21 (4.57%) Middleware
7 17 (3.70%) RESTful
8 16 (3.48%) Hibernate
8 16 (3.48%) HTML
8 16 (3.48%) Spring Boot
9 14 (3.04%) OAuth
9 14 (3.04%) OAuth2
9 14 (3.04%) SAML
10 13 (2.83%) PyArrow
10 13 (2.83%) PySpark
11 11 (2.39%) XML
12 10 (2.17%) REST
12 10 (2.17%) SOAP
13 9 (1.96%) CSS
13 9 (1.96%) Web Services
Miscellaneous
1 75 (16.30%) Housing Association
2 26 (5.65%) Distributed Systems
3 25 (5.43%) Management Information System
4 22 (4.78%) IoT
5 19 (4.13%) Algorithms
6 17 (3.70%) Clustering
6 17 (3.70%) Data Centre
6 17 (3.70%) Equities
6 17 (3.70%) Foreign Exchange (FX)
7 15 (3.26%) Derivative
8 14 (3.04%) Self-Motivation
9 13 (2.83%) Fixed Income
10 12 (2.61%) Cloud Native
10 12 (2.61%) Device Driver
10 12 (2.61%) Onboarding
11 10 (2.17%) FPGA
11 10 (2.17%) Self-Driving Car
12 9 (1.96%) Eurex
13 8 (1.74%) Greenfield Project
14 7 (1.52%) Embedded Systems
Operating Systems
1 313 (68.04%) Linux
2 143 (31.09%) Windows
3 41 (8.91%) Windows Server
4 29 (6.30%) Red Hat Enterprise Linux
5 22 (4.78%) Solaris
6 18 (3.91%) AIX
7 17 (3.70%) CentOS
8 13 (2.83%) zOS
9 11 (2.39%) Mac OS
10 9 (1.96%) Rocky
10 9 (1.96%) Ubuntu
11 5 (1.09%) VMS
11 5 (1.09%) VxWorks
11 5 (1.09%) Windows Server 2008
11 5 (1.09%) Windows Server 2019
12 2 (0.43%) CoreOS
12 2 (0.43%) Embedded Linux
12 2 (0.43%) HPUX
12 2 (0.43%) Oracle Linux
13 1 (0.22%) Amazon Linux
Processes & Methodologies
1 128 (27.83%) Problem-Solving
2 102 (22.17%) DevOps
3 94 (20.43%) CI/CD
4 75 (16.30%) Housing Management
5 67 (14.57%) Software Engineering
6 66 (14.35%) Agile
7 57 (12.39%) Computer Science
8 47 (10.22%) Mentoring
9 46 (10.00%) Disaster Recovery
10 43 (9.35%) Continuous Integration
11 42 (9.13%) Open Source
12 39 (8.48%) ITIL
13 36 (7.83%) Continuous Delivery
14 35 (7.61%) Performance Monitoring
15 34 (7.39%) Change Management
15 34 (7.39%) Collaborative Working
16 33 (7.17%) Roadmaps
17 30 (6.52%) Prototyping
18 28 (6.09%) Customer Service
18 28 (6.09%) Microservices
Programming Languages
1 242 (52.61%) SQL
2 183 (39.78%) Python
3 76 (16.52%) Java
4 70 (15.22%) Bash
5 64 (13.91%) PowerShell
6 52 (11.30%) C
7 44 (9.57%) Shell Script
8 43 (9.35%) C++
9 39 (8.48%) JavaScript
10 33 (7.17%) Perl
11 21 (4.57%) C#
11 21 (4.57%) T-SQL
12 17 (3.70%) Go
13 12 (2.61%) Fortran
14 10 (2.17%) MATLAB
14 10 (2.17%) PL/SQL
15 8 (1.74%) Groovy
16 7 (1.52%) PHP
17 6 (1.30%) Ruby
17 6 (1.30%) Tcl
Qualifications
1 75 (16.30%) DBS Check
2 73 (15.87%) Degree
3 69 (15.00%) Security Cleared
4 56 (12.17%) SC Cleared
5 28 (6.09%) DV Cleared
6 20 (4.35%) Computer Science Degree
7 10 (2.17%) Master's Degree
8 9 (1.96%) PhD
9 6 (1.30%) PMI Certification
9 6 (1.30%) PMP
10 5 (1.09%) AWS Certification
10 5 (1.09%) Network+ Certification
10 5 (1.09%) OCA
10 5 (1.09%) OCP
10 5 (1.09%) Oracle Certification
11 4 (0.87%) HND
12 3 (0.65%) ITIL Certification
13 2 (0.43%) AWS Certified DevOps Engineer
13 2 (0.43%) Azure Certification
13 2 (0.43%) OSCP
Quality Assurance & Compliance
1 102 (22.17%) Accessibility
2 16 (3.48%) Data Quality
2 16 (3.48%) Sarbanes-Oxley
3 15 (3.26%) SLA
4 9 (1.96%) QA
5 7 (1.52%) GDPR
6 6 (1.30%) FINRA
6 6 (1.30%) ISO/IEC 27001
7 5 (1.09%) Cyber Essentials
7 5 (1.09%) Cyber Essentials PLUS
7 5 (1.09%) PCI DSS
7 5 (1.09%) PMO
8 1 (0.22%) COBIT
8 1 (0.22%) COSO
8 1 (0.22%) ITGC
8 1 (0.22%) NIST
System Software
1 64 (13.91%) Docker
2 24 (5.22%) Active Directory
3 21 (4.57%) VMware Infrastructure
4 17 (3.70%) Firmware
5 14 (3.04%) HDFS
5 14 (3.04%) Hyper-V
6 6 (1.30%) Virtual Machines
6 6 (1.30%) vSphere
7 5 (1.09%) Embedded Firmware
7 5 (1.09%) Veritas Cluster Server
8 2 (0.43%) KVM
8 2 (0.43%) Postfix
8 2 (0.43%) Sendmail
8 2 (0.43%) VMware ESXi
9 1 (0.22%) LXC
9 1 (0.22%) NFS
9 1 (0.22%) Samba
9 1 (0.22%) vCloud
Systems Management
1 65 (14.13%) Kubernetes
2 52 (11.30%) Terraform
3 25 (5.43%) AWS Copilot
4 23 (5.00%) Ansible
5 21 (4.57%) Grafana
6 15 (3.26%) Istio
7 7 (1.52%) CA Endevor
7 7 (1.52%) Oracle RMAN
8 6 (1.30%) Progress Chef
8 6 (1.30%) Prometheus
9 5 (1.09%) Puppet
9 5 (1.09%) Tivoli Storage Manager
10 2 (0.43%) Nagios
10 2 (0.43%) Nessus
10 2 (0.43%) Single Sign-On
11 1 (0.22%) Argo
11 1 (0.22%) Demisto
11 1 (0.22%) Kustomize
11 1 (0.22%) Opsgenie
11 1 (0.22%) vRealize
Vendors
1 85 (18.48%) Oracle
2 75 (16.30%) NEC
3 48 (10.43%) Red Hat
4 30 (6.52%) VMware
5 28 (6.09%) Google
6 22 (4.78%) Microsoft
7 15 (3.26%) Atlassian
8 14 (3.04%) Splunk
9 13 (2.83%) SAP
9 13 (2.83%) Veeam
10 11 (2.39%) IBM
11 10 (2.17%) Bloomberg
11 10 (2.17%) ION Trading
12 9 (1.96%) CQG
12 9 (1.96%) Dynatrace
12 9 (1.96%) Patsystems
12 9 (1.96%) Reuters
12 9 (1.96%) Trayport
13 8 (1.74%) Sybase
14 6 (1.30%) Symantec