Legacy Systems Job Trends

Legacy System
UK

The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies. Included is a benchmarking guide to the salaries offered in vacancies that cited Legacy Systems over the 6 months leading up to 16 September 2026, comparing them to the same period in the previous two years.

6 months to
16 Sep 2026
Same period 2025 Same period 2024
Rank 310 290 500
Rank change year-on-year -20 +210 -98
Permanent jobs citing Legacy Systems 679 489 319
As % of all permanent jobs in the UK 0.60% 0.99% 0.41%
As % of the Miscellaneous category 2.27% 2.41% 1.27%
Number of salaries quoted 429 263 208
10th Percentile £45,000 £45,000 £40,000
25th Percentile £51,250 £53,125 £42,500
Median annual salary (50th Percentile) £67,500 £65,000 £60,000
Median % change year-on-year +3.85% +8.33% -7.69%
75th Percentile £83,750 £80,000 £86,563
90th Percentile £95,000 £95,000 £132,500
UK excluding London median annual salary £61,250 £64,675 £50,047
% change year-on-year -5.30% +29.23% -16.59%

All Generic Skills
UK

Legacy Systems falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring generic IT skills.

Permanent vacancies with a requirement for generic IT skills 29,917 20,280 25,106
As % of all permanent jobs advertised in the UK 26.22% 41.08% 32.25%
Number of salaries quoted 18,638 10,170 13,078
10th Percentile £31,000 £28,750 £31,250
25th Percentile £41,250 £36,925 £43,080
Median annual salary (50th Percentile) £57,500 £55,000 £60,000
Median % change year-on-year +4.55% -8.33% -4.00%
75th Percentile £80,000 £77,500 £82,500
90th Percentile £100,000 £103,750 £108,750
UK excluding London median annual salary £52,500 £47,500 £52,500
% change year-on-year +10.53% -9.52% -4.55%

Legacy Systems
Job Vacancy Trend

Historical trend showing the proportion of permanent IT job postings citing Legacy Systems relative to all permanent IT jobs advertised.

Legacy Systems job vacancy trend in the UK

Legacy Systems
Salary Trend

Salary distribution trend for jobs in the UK citing Legacy Systems.

Salary distribution trend for jobs in the UK citing Legacy Systems

Legacy Systems
Salary Histogram

Salary distribution for jobs citing Legacy Systems over the 6 months to 16 September 2026.

Salary histogram for Legacy Systems in the UK

Legacy Systems
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Systems within the UK over the 6 months to 16 September 2026. 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 -6 619 £67,500 +1.12% 616
UK excluding London -2 467 £61,250 -5.30% 308
Work from Home +42 190 £62,500 -3.85% 241
London -31 182 £82,500 +10.00% 343
South West -6 144 £55,000 -21.43% 29
North of England 0 113 £69,305 -2.73% 78
South East -60 66 £62,500 +4.17% 83
Midlands -34 65 £60,000 -7.69% 54
Yorkshire +1 46 £80,000 +23.08% 23
North West -7 43 £69,305 -4.41% 43
West Midlands -50 42 £60,000 -7.69% 34
East of England -5 38 £50,000 -20.00% 18
Wales -60 34 £72,500 +31.82% 3
North East -41 24 £52,500 -27.59% 12
East Midlands -25 23 £65,000 +23.81% 20
Scotland -3 5 £23,500 -55.24% 31
Northern Ireland -74 2 - - 13

Legacy Systems
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 82 (12.08%) Microsoft Exchange
2 29 (4.27%) Confluence
3 16 (2.36%) SharePoint Server
4 13 (1.91%) Anypoint
4 13 (1.91%) Mule
5 9 (1.33%) SharePoint
6 6 (0.88%) Apache
7 5 (0.74%) Apache Airflow
7 5 (0.74%) WordPress
8 4 (0.59%) IIS
9 3 (0.44%) Apache Spark
10 2 (0.29%) CMS
10 2 (0.29%) Jupyter
11 1 (0.15%) CICS
11 1 (0.15%) nginx
11 1 (0.15%) NServiceBus
11 1 (0.15%) SAS
Applications
1 14 (2.06%) MS Visio
2 10 (1.47%) Microsoft Excel
2 10 (1.47%) Microsoft Office
3 8 (1.18%) Spreadsheet
4 7 (1.03%) Microsoft Project
5 2 (0.29%) Microsoft PowerPoint
6 1 (0.15%) Adobe XD
6 1 (0.15%) EPLAN
6 1 (0.15%) Simulink
6 1 (0.15%) Sketch
6 1 (0.15%) Trello
Business Applications
1 18 (2.65%) SAP S/4HANA
2 7 (1.03%) SAP MDG
3 6 (0.88%) Dynamics CRM
4 5 (0.74%) SAP MDG-BP
4 5 (0.74%) Unit4 Business World
5 4 (0.59%) Misys Midas
5 4 (0.59%) Workday HCM
6 3 (0.44%) NetSuite
7 1 (0.15%) Dynamics AX
7 1 (0.15%) Dynamics GP
7 1 (0.15%) Misys Equation
7 1 (0.15%) Oracle Payables
7 1 (0.15%) Oracle Receivables
7 1 (0.15%) Sage 200
7 1 (0.15%) Sage 50
7 1 (0.15%) SAP HCM
7 1 (0.15%) SAP MDG-F
7 1 (0.15%) Visualfiles
Cloud Services
1 246 (36.23%) Azure
2 135 (19.88%) AWS
3 89 (13.11%) Microsoft 365
4 62 (9.13%) Azure DevOps
5 40 (5.89%) Power Platform
6 38 (5.60%) Serverless
7 30 (4.42%) SaaS
8 26 (3.83%) AWS CloudFormation
9 25 (3.68%) GCP
10 24 (3.53%) GitHub
11 22 (3.24%) Azure Cosmos DB
12 21 (3.09%) Dynamics 365
13 19 (2.80%) Cloud Computing
14 18 (2.65%) AWS Lambda
15 16 (2.36%) GitHub Actions
16 14 (2.06%) Azure Data Factory
17 13 (1.91%) Entra ID
17 13 (1.91%) Lucidchart
18 12 (1.77%) Snowflake
19 11 (1.62%) Amazon SQS
Communications & Networking
1 89 (13.11%) DNS
2 82 (12.08%) DHCP
3 15 (2.21%) SSL
4 13 (1.91%) Firewall
5 12 (1.77%) Network Security
6 9 (1.33%) VPN
7 8 (1.18%) WAN
8 6 (0.88%) HTTP
8 6 (0.88%) LAN
8 6 (0.88%) Wi-Fi
9 5 (0.74%) SAN
9 5 (0.74%) TCP/IP
10 4 (0.59%) Ethernet
11 3 (0.44%) NAS
11 3 (0.44%) Wireless
12 2 (0.29%) NetScaler
12 2 (0.29%) SD-WAN
12 2 (0.29%) VoIP
13 1 (0.15%) Broadband
13 1 (0.15%) PBX
Database & Business Intelligence
1 75 (11.05%) Amazon RDS
2 54 (7.95%) SQL Server
3 37 (5.45%) Power BI
4 28 (4.12%) PostgreSQL
5 26 (3.83%) Data Warehouse
6 19 (2.80%) Azure SQL Database
6 19 (2.80%) Db2
7 15 (2.21%) DynamoDB
7 15 (2.21%) NoSQL
8 14 (2.06%) Relational Database
9 13 (1.91%) Star Schema
10 12 (1.77%) Metadata
10 12 (1.77%) MongoDB
11 11 (1.62%) Snowflake Schema
12 10 (1.47%) DTS
13 9 (1.33%) Amazon QuickSight
14 8 (1.18%) Data Lake
14 8 (1.18%) MySQL
15 6 (0.88%) RDBMS
16 5 (0.74%) Redis
Development Applications
1 49 (7.22%) Git
2 39 (5.74%) JIRA
3 18 (2.65%) Jenkins
4 17 (2.50%) Selenium
5 16 (2.36%) JUnit
6 12 (1.77%) NUnit
7 11 (1.62%) Cypress.io
8 9 (1.33%) GitLab
9 8 (1.18%) JMeter
10 7 (1.03%) Mockito
11 6 (0.88%) Mocha
11 6 (0.88%) Postman
12 5 (0.74%) Jasmine
12 5 (0.74%) MSI
13 4 (0.59%) Visual Studio
14 3 (0.44%) Eclipse
14 3 (0.44%) Eclipse RCP
14 3 (0.44%) Rational DOORS
14 3 (0.44%) SonarQube
14 3 (0.44%) Zephyr
General
1 193 (28.42%) Social Skills
2 149 (21.94%) Analytical Skills
3 132 (19.44%) Finance
4 79 (11.63%) Public Sector
5 41 (6.04%) Manufacturing
6 36 (5.30%) Aerospace
7 34 (5.01%) Inclusion and Diversity
8 33 (4.86%) Retail
9 30 (4.42%) Law
10 21 (3.09%) Influencing Skills
11 15 (2.21%) Military
12 14 (2.06%) Banking
12 14 (2.06%) Presentation Skills
13 13 (1.91%) Documentation Skills
14 11 (1.62%) Aviation
14 11 (1.62%) Marketing
15 10 (1.47%) Electronics
16 9 (1.33%) Legal
16 9 (1.33%) Telecoms
17 7 (1.03%) Games
Job Titles
1 141 (20.77%) Senior
2 106 (15.61%) Developer
3 103 (15.17%) Architect
4 102 (15.02%) Software Engineer
5 81 (11.93%) Systems Engineer
6 75 (11.05%) Lead
7 55 (8.10%) Senior Software Engineer
8 49 (7.22%) Solutions Architect
9 42 (6.19%) Consultant
10 28 (4.12%) Analyst
11 22 (3.24%) Senior Developer
12 19 (2.80%) Azure Engineer
12 19 (2.80%) Migration Consultant
13 18 (2.65%) Software Developer
14 17 (2.50%) Lead Developer
15 16 (2.36%) Business Analyst
16 15 (2.21%) Data Engineer
16 15 (2.21%) Senior Architect
17 14 (2.06%) .NET Developer
17 14 (2.06%) MuleSoft Developer
Libraries, Frameworks & Software Standards
1 71 (10.46%) .NET
2 53 (7.81%) React
3 49 (7.22%) Terraform
4 47 (6.92%) Spring Boot
5 44 (6.48%) Spring
6 43 (6.33%) Node.js
7 37 (5.45%) RESTful
8 36 (5.30%) WPF
9 32 (4.71%) REST
10 28 (4.12%) Kafka
11 27 (3.98%) HTML
12 26 (3.83%) Vue
13 23 (3.39%) .NET Core
13 23 (3.39%) Middleware
14 20 (2.95%) CSS
15 19 (2.80%) .NET Framework
16 17 (2.50%) OAuth
17 15 (2.21%) Ruby on Rails
18 14 (2.06%) OAuth2
19 13 (1.91%) RAML
Miscellaneous
1 88 (12.96%) Cloud Native
2 36 (5.30%) Onboarding
3 33 (4.86%) Greenfield Project
3 33 (4.86%) Mainframe
4 30 (4.42%) Data Centre
4 30 (4.42%) Product Ownership
5 28 (4.12%) Enterprise Software
6 20 (2.95%) Self-Motivation
7 19 (2.80%) iSeries
7 19 (2.80%) Management Information System
8 18 (2.65%) Enterprise Cloud
9 17 (2.50%) Legacy Applications
10 16 (2.36%) Distributed Computing
10 16 (2.36%) IoT
11 15 (2.21%) AI Agents
11 15 (2.21%) AS400
11 15 (2.21%) Distributed Systems
12 12 (1.77%) Data Structures
13 11 (1.62%) Operational Technology
13 11 (1.62%) Private Cloud
Operating Systems
1 122 (17.97%) Windows
2 91 (13.40%) Linux
3 81 (11.93%) Windows Server
4 72 (10.60%) Windows Server 2016
5 5 (0.74%) AIX
6 4 (0.59%) VMS
7 3 (0.44%) Android
7 3 (0.44%) Apple iOS
7 3 (0.44%) Unix
8 2 (0.29%) Windows 10
8 2 (0.29%) Windows 7
8 2 (0.29%) zOS
Processes & Methodologies
1 248 (36.52%) Migration
2 177 (26.07%) Problem-Solving
3 167 (24.59%) Agile
4 162 (23.86%) CI/CD
5 141 (20.77%) Software Engineering
6 115 (16.94%) DevOps
7 110 (16.20%) Mentoring
8 105 (15.46%) Microservices
9 103 (15.17%) AI
9 103 (15.17%) Continuous Improvement
10 91 (13.40%) Customer Experience
11 85 (12.52%) Roadmaps
12 81 (11.93%) Customer Service
13 76 (11.19%) Kalman Filter
14 74 (10.90%) Web Filtering
15 73 (10.75%) Vulnerability Scanning
16 72 (10.60%) Email Filtering
16 72 (10.60%) Vulnerability Remediation
17 66 (9.72%) Infrastructure as Code
17 66 (9.72%) Test Automation
Programming Languages
1 106 (15.61%) C#
2 90 (13.25%) SQL
3 87 (12.81%) Python
4 72 (10.60%) Java
5 64 (9.43%) JavaScript
6 38 (5.60%) TypeScript
7 23 (3.39%) C++
8 19 (2.80%) RPG
9 17 (2.50%) Ruby
10 15 (2.21%) PHP
10 15 (2.21%) T-SQL
11 13 (1.91%) DataWeave
11 13 (1.91%) PowerShell
12 9 (1.33%) Go
12 9 (1.33%) Shell Script
13 8 (1.18%) ABAP
13 8 (1.18%) C
13 8 (1.18%) Delphi
14 6 (0.88%) RPG III
14 6 (0.88%) VBA
Qualifications
1 169 (24.89%) Security Cleared
2 144 (21.21%) SC Cleared
3 61 (8.98%) Degree
4 24 (3.53%) DV Cleared
5 19 (2.80%) BPSS Clearance
6 14 (2.06%) DBS Check
7 12 (1.77%) AWS Certification
7 12 (1.77%) TOGAF Certification
8 10 (1.47%) PMI Certification
9 7 (1.03%) Master's Degree
10 6 (0.88%) Computer Science Degree
11 4 (0.59%) ITIL Certification
11 4 (0.59%) Microsoft Certification
11 4 (0.59%) OCP
11 4 (0.59%) Oracle Certification
12 3 (0.44%) Azure Certification
12 3 (0.44%) CISM
12 3 (0.44%) CISSP
12 3 (0.44%) ISTQB
12 3 (0.44%) PMP
Quality Assurance & Compliance
1 76 (11.19%) Cyber Essentials
2 72 (10.60%) PCI DSS
3 37 (5.45%) Data Quality
4 35 (5.15%) Accessibility
5 24 (3.53%) QA
6 19 (2.80%) GDPR
6 19 (2.80%) WCAG
7 10 (1.47%) SLA
8 9 (1.33%) California Consumer Privacy Act
9 7 (1.03%) ISO/IEC 27001
9 7 (1.03%) NCSC
10 6 (0.88%) NIST
11 3 (0.44%) GRC
11 3 (0.44%) HIPAA
11 3 (0.44%) MIL-STD-1553
11 3 (0.44%) PMO
11 3 (0.44%) Sarbanes-Oxley
12 1 (0.15%) Actionable Recommendations
12 1 (0.15%) ISO 9001
12 1 (0.15%) PERC
System Software
1 94 (13.84%) Active Directory
2 82 (12.08%) Hyper-V
3 72 (10.60%) Terminal Server
4 44 (6.48%) Docker
5 20 (2.95%) VMware Infrastructure
6 15 (2.21%) Firmware
7 8 (1.18%) vSphere
8 6 (0.88%) Virtual Machines
9 3 (0.44%) KVM
10 2 (0.29%) Time Sharing Option
10 2 (0.29%) UAG
11 1 (0.15%) Apache Flume
11 1 (0.15%) MetaFrame
11 1 (0.15%) Microsoft Virtual Server
11 1 (0.15%) Virtual Desktop
11 1 (0.15%) Virtual Servers
11 1 (0.15%) VMware ESXi
11 1 (0.15%) XenDesktop
Systems Management
1 45 (6.63%) Kubernetes
2 14 (2.06%) Puppet
3 13 (1.91%) CloudHub
3 13 (1.91%) Progress Chef
4 10 (1.47%) Ansible
5 7 (1.03%) Kibana
5 7 (1.03%) SCCM
6 5 (0.74%) Single Sign-On
7 3 (0.44%) Grafana
7 3 (0.44%) Prometheus
8 2 (0.29%) AirWatch
8 2 (0.29%) Microsoft Intune
8 2 (0.29%) vCenter Server
8 2 (0.29%) WhatsUp Gold
9 1 (0.15%) Functional Safety
9 1 (0.15%) Podman
Vendors
1 164 (24.15%) Microsoft
2 93 (13.70%) VMware
3 81 (11.93%) Splunk
4 75 (11.05%) Veeam
5 74 (10.90%) SolarWinds
6 72 (10.60%) Brocade
6 72 (10.60%) Nimble Storage
6 72 (10.60%) Tanium
7 52 (7.66%) SAP
8 26 (3.83%) IBM
8 26 (3.83%) Oracle
8 26 (3.83%) ServiceNow
9 19 (2.80%) Salesforce
10 16 (2.36%) MuleSoft
10 16 (2.36%) Workday
11 14 (2.06%) Databricks
12 11 (1.62%) Google
13 9 (1.33%) Informatica
13 9 (1.33%) Talend
14 8 (1.18%) IFS