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 6 March 2025, comparing them to the same period in the previous two years.

6 months to
6 Mar 2025
Same period 2024 Same period 2023
Rank 270 248 201
Rank change year-on-year -22 -47 -4
Permanent jobs citing Unix 622 1,010 2,152
As % of all permanent jobs advertised in the UK 1.10% 1.23% 1.94%
As % of the Operating Systems category 8.71% 8.25% 11.99%
Number of salaries quoted 262 538 1,184
10th Percentile £41,250 £40,000 £40,075
25th Percentile £50,313 £46,250 £50,000
Median annual salary (50th Percentile) £65,000 £60,000 £67,500
Median % change year-on-year +8.33% -11.11% +8.00%
75th Percentile £80,000 £82,536 £89,471
90th Percentile £93,778 £96,539 £108,750
UK excluding London median annual salary £62,500 £55,000 £52,500
% change year-on-year +13.64% +4.76% -

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 7,139 12,247 17,953
As % of all permanent jobs advertised in the UK 12.64% 14.97% 16.14%
Number of salaries quoted 4,300 9,843 12,167
10th Percentile £28,475 £26,039 £27,000
25th Percentile £36,250 £31,500 £35,750
Median annual salary (50th Percentile) £52,004 £47,500 £52,500
Median % change year-on-year +9.48% -9.52% -
75th Percentile £72,500 £63,750 £72,500
90th Percentile £90,000 £82,500 £93,750
UK excluding London median annual salary £46,500 £42,500 £45,000
% change year-on-year +9.41% -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 6 March 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 6 March 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 +14 531 £60,000 - 240
UK excluding London -31 410 £62,500 +13.64% 162
Work from Home -37 215 £69,308 +10.39% 243
London +19 188 £69,384 -8.31% 102
North of England +19 131 £65,000 +18.18% 34
North West +33 97 £53,750 -2.27% 15
Midlands +17 73 £60,000 +20.00% 26
West Midlands +39 69 £60,000 +20.00% 14
South East -10 61 £52,000 -13.33% 45
East of England +65 50 £58,750 +56.67% 31
Scotland -34 36 £70,000 +21.74% 12
Wales +2 27 £69,308 -1.80% 9
Yorkshire +18 22 £85,253 +20.80% 14
South West +7 22 £71,991 +37.13% 13
North East +24 12 £62,500 +41.17% 5
Northern Ireland +9 10 £90,000 +28.57% 2
East Midlands +9 4 £57,000 +14.00% 11

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 29 (4.66%) Microsoft Exchange
2 25 (4.02%) Apache
2 25 (4.02%) Confluence
3 17 (2.73%) Apache Airflow
4 15 (2.41%) Apache Spark
5 6 (0.96%) Tomcat
6 5 (0.80%) NetWeaver
6 5 (0.80%) SharePoint
6 5 (0.80%) WebSphere
7 4 (0.64%) GemFire
8 2 (0.32%) nginx
9 1 (0.16%) IIS
9 1 (0.16%) OpenStack
9 1 (0.16%) WebLogic
Applications
1 26 (4.18%) Microsoft Excel
2 21 (3.38%) Microsoft Office
3 6 (0.96%) Microsoft Project
4 5 (0.80%) MS Visio
5 2 (0.32%) Adobe Creative Suite
5 2 (0.32%) InDesign
5 2 (0.32%) Photoshop
6 1 (0.16%) EngageOne
Business Applications
1 165 (26.53%) NEC Housing
2 9 (1.45%) Fidessa
3 6 (0.96%) Oracle EBS
4 5 (0.80%) Oracle Applications
4 5 (0.80%) Oracle Subledger Accounting
5 3 (0.48%) Remedy ITSM
6 2 (0.32%) FLEXCUBE
6 2 (0.32%) Oracle BPM
6 2 (0.32%) SAP Oil and Gas
7 1 (0.16%) ION Anvil
7 1 (0.16%) ION MarketView
7 1 (0.16%) Oracle Payables
7 1 (0.16%) Oracle Retail
7 1 (0.16%) SAP IBP
7 1 (0.16%) SAP S/4HANA
7 1 (0.16%) TIBCO iProcess
Cloud Services
1 118 (18.97%) Azure
2 88 (14.15%) AWS
3 46 (7.40%) Cloud Computing
4 42 (6.75%) GCP
5 30 (4.82%) AWS CloudFormation
6 25 (4.02%) Amazon ECR
6 25 (4.02%) Amazon ECS
6 25 (4.02%) Amazon ElastiCache
6 25 (4.02%) Amazon OpenSearch
6 25 (4.02%) AWS CodeBuild
6 25 (4.02%) dbt
6 25 (4.02%) Pulumi
7 24 (3.86%) Microsoft 365
8 22 (3.54%) GitHub
9 20 (3.22%) PaaS
10 16 (2.57%) Sentry
11 14 (2.25%) Azure DevOps
11 14 (2.25%) OpenShift
12 11 (1.77%) Azure Machine Learning
13 6 (0.96%) IaaS
Communications & Networking
1 66 (10.61%) TCP/IP
2 44 (7.07%) DNS
3 41 (6.59%) Firewall
4 28 (4.50%) DHCP
5 24 (3.86%) Network Security
6 21 (3.38%) Internet
7 15 (2.41%) HTTP
8 14 (2.25%) SSL
9 13 (2.09%) LAN
9 13 (2.09%) WAN
10 12 (1.93%) SAN
11 11 (1.77%) VLAN
12 10 (1.61%) Modbus
12 10 (1.61%) MQTT
13 9 (1.45%) 5G
13 9 (1.45%) FIX Connectivity
13 9 (1.45%) IPv4
13 9 (1.45%) SD-WAN
14 7 (1.13%) RS-232
14 7 (1.13%) SMTP
Database & Business Intelligence
1 55 (8.84%) PostgreSQL
2 50 (8.04%) SQL Server
3 48 (7.72%) Relational Database
4 32 (5.14%) Amazon RDS
5 30 (4.82%) Redis
6 28 (4.50%) DB2
7 27 (4.34%) Elasticsearch
7 27 (4.34%) MongoDB
8 26 (4.18%) NoSQL
9 21 (3.38%) Data Warehouse
10 20 (3.22%) RDBMS
11 16 (2.57%) Oracle Reports
12 15 (2.41%) Hadoop
13 13 (2.09%) Apache Hudi
13 13 (2.09%) Apache Iceberg
13 13 (2.09%) Delta Lake
14 12 (1.93%) Oracle Database
15 10 (1.61%) Sybase IQ
16 9 (1.45%) Geospatial Data
16 9 (1.45%) SAP HANA
Development Applications
1 60 (9.65%) Git
2 36 (5.79%) JIRA
3 29 (4.66%) Jenkins
4 15 (2.41%) Bitbucket
5 12 (1.93%) GitLab
6 10 (1.61%) Subversion
7 9 (1.45%) LabVIEW
7 9 (1.45%) Oracle Forms
8 7 (1.13%) Maven
9 6 (0.96%) JMeter
10 5 (0.80%) IBM UrbanCode
10 5 (0.80%) TeamCity
11 4 (0.64%) Gatling
11 4 (0.64%) Robot Framework
11 4 (0.64%) Selenium
11 4 (0.64%) Spinnaker
12 2 (0.32%) Artifactory
12 2 (0.32%) JUnit
12 2 (0.32%) SonarQube
12 2 (0.32%) Sonatype Nexus
General
1 284 (45.66%) Finance
2 169 (27.17%) Public Sector
3 166 (26.69%) Local Government
3 166 (26.69%) Police
4 165 (26.53%) Social Housing
5 129 (20.74%) Social Skills
6 86 (13.83%) Banking
7 65 (10.45%) Analytical Skills
8 45 (7.23%) Inclusion and Diversity
9 31 (4.98%) Legal
10 24 (3.86%) Law
11 21 (3.38%) Retail
12 18 (2.89%) Advertising
12 18 (2.89%) Presentation Skills
13 13 (2.09%) Electronics
13 13 (2.09%) Front Office
14 12 (1.93%) Back Office
15 10 (1.61%) Financial Institution
15 10 (1.61%) Tech for Good
15 10 (1.61%) Telecoms
Job Titles
1 176 (28.30%) Consultant
2 165 (26.53%) Implementation Consultant
3 82 (13.18%) Senior
4 63 (10.13%) Analyst
5 56 (9.00%) Software Engineer
6 47 (7.56%) Developer
7 39 (6.27%) Support Analyst
8 37 (5.95%) Applications Support
9 31 (4.98%) Embedded Engineer
10 30 (4.82%) Systems Engineer
11 29 (4.66%) Lead
12 27 (4.34%) Data Engineer
13 26 (4.18%) FPGA Engineer
14 23 (3.70%) Support Engineer
14 23 (3.70%) Unix Engineer
15 21 (3.38%) Python Engineer
16 20 (3.22%) Unix Support
17 19 (3.05%) Infrastructure Engineer
17 19 (3.05%) Linux Engineer
18 18 (2.89%) Banking Analyst
Libraries, Frameworks & Software Standards
1 35 (5.63%) Django
2 30 (4.82%) .NET
3 25 (4.02%) FIX Protocol
4 21 (3.38%) Kafka
5 19 (3.05%) HTML
6 18 (2.89%) Middleware
7 17 (2.73%) OAuth
8 16 (2.57%) REST
8 16 (2.57%) XML
9 14 (2.25%) OAuth2
9 14 (2.25%) SAML
10 13 (2.09%) PyArrow
10 13 (2.09%) PySpark
11 11 (1.77%) CSS
11 11 (1.77%) Flask
12 10 (1.61%) Pyramid
12 10 (1.61%) React
12 10 (1.61%) Spring
13 8 (1.29%) SOAP
14 7 (1.13%) Web Services
Miscellaneous
1 165 (26.53%) Housing Association
2 32 (5.14%) FPGA
2 32 (5.14%) Management Information System
3 28 (4.50%) Embedded Systems
4 26 (4.18%) ASIC
4 26 (4.18%) Verilog
4 26 (4.18%) VHDL
5 24 (3.86%) Distributed Systems
6 23 (3.70%) Algorithms
7 22 (3.54%) Data Centre
8 19 (3.05%) Clustering
8 19 (3.05%) Equities
9 18 (2.89%) Foreign Exchange (FX)
10 16 (2.57%) IoT
11 15 (2.41%) Derivative
11 15 (2.41%) Linux Command Line
11 15 (2.41%) Self-Motivation
12 12 (1.93%) Cloud Native
13 11 (1.77%) Fixed Income
13 11 (1.77%) Onboarding
Operating Systems
1 338 (54.34%) Linux
2 152 (24.44%) Windows
3 48 (7.72%) Windows Server
4 43 (6.91%) Solaris
5 29 (4.66%) Red Hat Enterprise Linux
6 21 (3.38%) AIX
7 17 (2.73%) CentOS
8 13 (2.09%) zOS
9 11 (1.77%) Ubuntu
10 10 (1.61%) Windows Server 2019
11 8 (1.29%) Mac OS
12 7 (1.13%) Rocky
12 7 (1.13%) Windows Server 2008
13 5 (0.80%) VMS
13 5 (0.80%) VxWorks
14 3 (0.48%) Windows 10
15 2 (0.32%) CoreOS
15 2 (0.32%) Embedded Linux
15 2 (0.32%) HPUX
15 2 (0.32%) Oracle Linux
Processes & Methodologies
1 165 (26.53%) Housing Management
2 158 (25.40%) Problem-Solving
3 104 (16.72%) DevOps
4 101 (16.24%) Software Engineering
5 93 (14.95%) CI/CD
6 68 (10.93%) Agile
6 68 (10.93%) Mentoring
7 66 (10.61%) Computer Science
8 53 (8.52%) Prototyping
9 49 (7.88%) Disaster Recovery
10 48 (7.72%) Continuous Integration
11 45 (7.23%) Open Source
12 42 (6.75%) ITIL
13 40 (6.43%) Performance Monitoring
14 38 (6.11%) Roadmaps
15 37 (5.95%) Continuous Delivery
16 32 (5.14%) Change Management
17 31 (4.98%) Collaborative Working
17 31 (4.98%) OO
17 31 (4.98%) Validation
Programming Languages
1 323 (51.93%) SQL
2 223 (35.85%) Python
3 80 (12.86%) Bash
4 77 (12.38%) C
5 73 (11.74%) PowerShell
6 72 (11.58%) Java
6 72 (11.58%) Shell Script
7 71 (11.41%) C++
8 35 (5.63%) JavaScript
9 32 (5.14%) Perl
10 26 (4.18%) Assembly Language
10 26 (4.18%) SystemVerilog
10 26 (4.18%) Tcl
11 21 (3.38%) C#
12 20 (3.22%) T-SQL
13 16 (2.57%) PL/SQL
14 14 (2.25%) Fortran
15 11 (1.77%) Ruby
16 9 (1.45%) MATLAB
17 7 (1.13%) PHP
Qualifications
1 165 (26.53%) DBS Check
2 93 (14.95%) Degree
3 90 (14.47%) Security Cleared
4 61 (9.81%) SC Cleared
5 49 (7.88%) DV Cleared
6 27 (4.34%) Computer Science Degree
7 14 (2.25%) Master's Degree
8 10 (1.61%) PhD
9 9 (1.45%) PMI Certification
9 9 (1.45%) PMP
10 5 (0.80%) AWS Certification
10 5 (0.80%) Network+ Certification
10 5 (0.80%) OCA
10 5 (0.80%) OCP
10 5 (0.80%) Oracle Certification
11 4 (0.64%) HND
11 4 (0.64%) Microsoft Certification
12 3 (0.48%) ITIL Certification
12 3 (0.48%) MCSE
12 3 (0.48%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 214 (34.41%) Accessibility
2 16 (2.57%) Sarbanes-Oxley
2 16 (2.57%) SLA
3 15 (2.41%) Data Quality
4 11 (1.77%) ISO/IEC 27001
5 10 (1.61%) GDPR
6 8 (1.29%) Cyber Essentials
6 8 (1.29%) Cyber Essentials PLUS
6 8 (1.29%) PCI DSS
7 6 (0.96%) FINRA
7 6 (0.96%) QA
8 5 (0.80%) PMO
9 3 (0.48%) NIST
10 2 (0.32%) ISO 22301
11 1 (0.16%) COBIT
11 1 (0.16%) COSO
11 1 (0.16%) ITGC
System Software
1 50 (8.04%) Docker
2 31 (4.98%) Active Directory
3 29 (4.66%) VMware Infrastructure
4 20 (3.22%) Hyper-V
5 17 (2.73%) Firmware
6 13 (2.09%) HDFS
7 10 (1.61%) vSphere
8 6 (0.96%) Embedded Firmware
9 5 (0.80%) Veritas Cluster Server
9 5 (0.80%) Virtual Machines
10 3 (0.48%) VMware ESXi
11 2 (0.32%) KVM
11 2 (0.32%) NFS
11 2 (0.32%) Postfix
11 2 (0.32%) Sendmail
12 1 (0.16%) LXC
12 1 (0.16%) Microsoft Virtual Server
12 1 (0.16%) Samba
12 1 (0.16%) vCloud
12 1 (0.16%) Virtual Servers
Systems Management
1 53 (8.52%) Kubernetes
2 49 (7.88%) Terraform
3 28 (4.50%) Ansible
4 25 (4.02%) AWS Copilot
5 10 (1.61%) Grafana
6 8 (1.29%) Oracle RMAN
7 7 (1.13%) CA Endevor
7 7 (1.13%) Progress Chef
8 5 (0.80%) Puppet
8 5 (0.80%) Tivoli Storage Manager
9 4 (0.64%) Istio
10 2 (0.32%) Data Guard
10 2 (0.32%) Failover Clustering
10 2 (0.32%) Nagios
10 2 (0.32%) Nessus
10 2 (0.32%) Oracle Enterprise Manager
10 2 (0.32%) SCCM
10 2 (0.32%) SCOM
10 2 (0.32%) Single Sign-On
11 1 (0.16%) Nmap
Vendors
1 165 (26.53%) NEC
2 107 (17.20%) Oracle
3 55 (8.84%) VMware
4 53 (8.52%) Red Hat
5 32 (5.14%) Microsoft
6 27 (4.34%) Google
7 26 (4.18%) Xilinx
8 18 (2.89%) Veeam
9 15 (2.41%) Sybase
10 14 (2.25%) SAP
11 13 (2.09%) Atlassian
12 12 (1.93%) IBM
13 11 (1.77%) Splunk
14 9 (1.45%) Bloomberg
14 9 (1.45%) ION Trading
15 8 (1.29%) CQG
15 8 (1.29%) Patsystems
15 8 (1.29%) Reuters
15 8 (1.29%) SolarWinds
15 8 (1.29%) Trayport