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 22 September 2026, comparing them to the same period in the previous two years.

6 months to
22 Sep 2026
Same period 2025 Same period 2024
Rank 308 289 479
Rank change year-on-year -19 +190 -65
Permanent jobs citing Legacy Systems 679 485 325
As % of all permanent jobs in the UK 0.58% 0.99% 0.43%
As % of the Miscellaneous category 2.22% 2.41% 1.32%
Number of salaries quoted 428 264 205
10th Percentile £45,000 £45,000 £40,000
25th Percentile £51,250 £54,688 £42,500
Median annual salary (50th Percentile) £68,500 £65,000 £60,000
Median % change year-on-year +5.38% +8.33% -7.69%
75th Percentile £85,313 £80,000 £85,000
90th Percentile £95,000 £95,000 £122,250
UK excluding London median annual salary £62,500 £64,675 £50,000
% change year-on-year -3.36% +29.35% -16.67%

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 30,634 20,154 24,531
As % of all permanent jobs advertised in the UK 26.36% 41.18% 32.20%
Number of salaries quoted 18,997 10,098 12,697
10th Percentile £31,000 £28,750 £31,250
25th Percentile £41,160 £36,925 £43,750
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 £110,000
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 22 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 22 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 -14 620 £68,500 +1.86% 499
UK excluding London -13 465 £62,500 -3.36% 279
Work from Home +31 190 £62,500 -3.36% 195
London -50 185 £82,500 +8.20% 254
South West -7 144 £55,000 -21.43% 27
North of England +1 111 £69,305 -4.41% 66
Midlands -49 66 £60,000 -7.69% 55
South East -48 64 £62,500 +4.17% 84
Yorkshire -9 45 £80,000 +23.08% 24
West Midlands -58 44 £60,000 -7.69% 37
North West -26 42 £69,305 -4.41% 31
East of England +1 39 £50,000 -20.00% 13
Wales -59 34 £72,500 +31.82% 6
North East -42 24 £52,500 -27.59% 11
East Midlands -24 22 £63,750 +21.43% 18
Scotland -4 5 £23,500 -55.24% 19
Northern Ireland -80 2 - - 9

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 84 (12.37%) Microsoft Exchange
2 28 (4.12%) 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 3 (0.44%) Apache Spark
8 3 (0.44%) IIS
9 2 (0.29%) CMS
9 2 (0.29%) Jupyter
10 1 (0.15%) CICS
10 1 (0.15%) nginx
10 1 (0.15%) NServiceBus
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 2 (0.29%) Infor CloudSuite
8 1 (0.15%) Dynamics AX
8 1 (0.15%) Dynamics GP
8 1 (0.15%) Misys Equation
8 1 (0.15%) Oracle Payables
8 1 (0.15%) Oracle Receivables
8 1 (0.15%) Sage 200
8 1 (0.15%) Sage 50
8 1 (0.15%) SAP HCM
8 1 (0.15%) SAP MDG-F
8 1 (0.15%) Visualfiles
Cloud Services
1 249 (36.67%) Azure
2 134 (19.73%) AWS
3 89 (13.11%) Microsoft 365
4 64 (9.43%) Azure DevOps
5 43 (6.33%) Power Platform
6 40 (5.89%) Serverless
7 31 (4.57%) SaaS
8 26 (3.83%) AWS CloudFormation
8 26 (3.83%) GitHub
9 25 (3.68%) GCP
10 24 (3.53%) Dynamics 365
11 22 (3.24%) Azure Cosmos DB
12 19 (2.80%) Cloud Computing
13 18 (2.65%) AWS Lambda
14 16 (2.36%) GitHub Actions
15 14 (2.06%) Azure Data Factory
15 14 (2.06%) Entra ID
16 13 (1.91%) Lucidchart
16 13 (1.91%) Snowflake
17 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 11 (1.62%) 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 53 (7.81%) SQL Server
3 37 (5.45%) Power BI
4 29 (4.27%) PostgreSQL
5 26 (3.83%) Data Warehouse
6 20 (2.95%) Azure SQL Database
7 18 (2.65%) Db2
8 15 (2.21%) DynamoDB
9 14 (2.06%) Metadata
9 14 (2.06%) Relational Database
10 13 (1.91%) NoSQL
10 13 (1.91%) Star Schema
11 12 (1.77%) MongoDB
12 11 (1.62%) Snowflake Schema
13 10 (1.47%) DTS
14 9 (1.33%) Amazon QuickSight
15 8 (1.18%) Data Lake
15 8 (1.18%) MySQL
16 6 (0.88%) Redis
17 5 (0.74%) RDBMS
Development Applications
1 47 (6.92%) Git
2 38 (5.60%) 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%) Rational DOORS
14 3 (0.44%) SonarQube
14 3 (0.44%) TestRail
14 3 (0.44%) Zephyr
General
1 195 (28.72%) Social Skills
2 149 (21.94%) Analytical Skills
3 131 (19.29%) Finance
4 78 (11.49%) Public Sector
5 43 (6.33%) Manufacturing
6 37 (5.45%) Aerospace
7 33 (4.86%) Inclusion and Diversity
8 31 (4.57%) Retail
9 29 (4.27%) Law
10 21 (3.09%) Influencing Skills
11 15 (2.21%) Military
12 14 (2.06%) Presentation Skills
13 13 (1.91%) Documentation Skills
14 12 (1.77%) Banking
15 11 (1.62%) Aviation
15 11 (1.62%) Marketing
16 10 (1.47%) Electronics
17 9 (1.33%) Legal
17 9 (1.33%) Telecoms
18 7 (1.03%) Cyber-Physical System
Job Titles
1 138 (20.32%) Senior
2 106 (15.61%) Architect
3 105 (15.46%) Developer
4 102 (15.02%) Software Engineer
5 81 (11.93%) Systems Engineer
6 76 (11.19%) Lead
7 55 (8.10%) Senior Software Engineer
8 51 (7.51%) Solutions Architect
9 44 (6.48%) Consultant
10 30 (4.42%) Analyst
11 22 (3.24%) Senior Developer
12 19 (2.80%) Migration Consultant
13 18 (2.65%) Azure Engineer
13 18 (2.65%) Software Developer
14 17 (2.50%) Business Analyst
14 17 (2.50%) Lead Developer
15 16 (2.36%) Senior Architect
16 15 (2.21%) Data Engineer
17 14 (2.06%) .NET Developer
17 14 (2.06%) MuleSoft Developer
Libraries, Frameworks & Software Standards
1 72 (10.60%) .NET
2 52 (7.66%) React
3 50 (7.36%) Terraform
4 47 (6.92%) Spring Boot
5 44 (6.48%) Spring
6 42 (6.19%) Node.js
7 36 (5.30%) RESTful
7 36 (5.30%) WPF
8 35 (5.15%) REST
9 27 (3.98%) HTML
9 27 (3.98%) Kafka
10 26 (3.83%) Vue
11 24 (3.53%) Middleware
12 22 (3.24%) .NET Core
13 20 (2.95%) CSS
14 18 (2.65%) .NET Framework
15 17 (2.50%) OAuth
16 15 (2.21%) Ruby on Rails
17 14 (2.06%) OAuth2
18 13 (1.91%) RAML
Miscellaneous
1 87 (12.81%) Cloud Native
2 36 (5.30%) Onboarding
3 33 (4.86%) Greenfield Project
4 32 (4.71%) Mainframe
5 30 (4.42%) Data Centre
5 30 (4.42%) Enterprise Software
6 29 (4.27%) Product Ownership
7 20 (2.95%) Management Information System
7 20 (2.95%) Self-Motivation
8 19 (2.80%) iSeries
9 18 (2.65%) Enterprise Cloud
10 17 (2.50%) Distributed Systems
10 17 (2.50%) IoT
11 16 (2.36%) Distributed Computing
12 15 (2.21%) AI Agents
12 15 (2.21%) AS400
12 15 (2.21%) Legacy Applications
13 12 (1.77%) Data Structures
14 11 (1.62%) Distributed Architecture
14 11 (1.62%) Private Cloud
Operating Systems
1 120 (17.67%) Windows
2 89 (13.11%) Linux
3 80 (11.78%) 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
9 1 (0.15%) zOS
Processes & Methodologies
1 250 (36.82%) Migration
2 177 (26.07%) Problem-Solving
3 165 (24.30%) Agile
4 164 (24.15%) CI/CD
5 144 (21.21%) Software Engineering
6 118 (17.38%) DevOps
7 105 (15.46%) Mentoring
7 105 (15.46%) Microservices
8 103 (15.17%) Continuous Improvement
9 102 (15.02%) AI
10 91 (13.40%) Customer Experience
11 88 (12.96%) Roadmaps
12 81 (11.93%) Customer Service
13 76 (11.19%) Kalman Filter
14 74 (10.90%) Web Filtering
15 73 (10.75%) Vulnerability Remediation
15 73 (10.75%) Vulnerability Scanning
16 72 (10.60%) Email Filtering
17 67 (9.87%) Infrastructure as Code
18 66 (9.72%) Test Automation
Programming Languages
1 107 (15.76%) C#
2 91 (13.40%) SQL
3 88 (12.96%) Python
4 73 (10.75%) Java
5 64 (9.43%) JavaScript
6 38 (5.60%) TypeScript
7 24 (3.53%) 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%) Bicep
13 8 (1.18%) Delphi
14 7 (1.03%) C
15 6 (0.88%) VBA
Qualifications
1 170 (25.04%) Security Cleared
2 145 (21.35%) SC Cleared
3 60 (8.84%) Degree
4 23 (3.39%) DV Cleared
5 19 (2.80%) BPSS Clearance
6 14 (2.06%) DBS Check
7 13 (1.91%) TOGAF Certification
8 12 (1.77%) AWS Certification
9 10 (1.47%) PMI Certification
10 7 (1.03%) Master's Degree
11 6 (0.88%) Computer Science Degree
12 4 (0.59%) Azure Certification
12 4 (0.59%) ITIL Certification
12 4 (0.59%) Microsoft Certification
12 4 (0.59%) OCP
12 4 (0.59%) Oracle Certification
13 3 (0.44%) CISM
13 3 (0.44%) CISSP
13 3 (0.44%) ISTQB
13 3 (0.44%) PMP
Quality Assurance & Compliance
1 77 (11.34%) Cyber Essentials
2 72 (10.60%) PCI DSS
3 38 (5.60%) Data Quality
4 36 (5.30%) Accessibility
5 24 (3.53%) QA
6 19 (2.80%) WCAG
7 18 (2.65%) GDPR
8 10 (1.47%) SLA
9 9 (1.33%) California Consumer Privacy Act
10 7 (1.03%) NCSC
11 6 (0.88%) ISO/IEC 27001
11 6 (0.88%) NIST
12 3 (0.44%) GRC
12 3 (0.44%) HIPAA
12 3 (0.44%) MIL-STD-1553
12 3 (0.44%) PMO
12 3 (0.44%) Sarbanes-Oxley
13 1 (0.15%) Actionable Recommendations
13 1 (0.15%) PERC
System Software
1 93 (13.70%) 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%) UAG
11 1 (0.15%) MetaFrame
11 1 (0.15%) Microsoft Virtual Server
11 1 (0.15%) Time Sharing Option
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 44 (6.48%) 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%) Grafana
6 5 (0.74%) Single Sign-On
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
1 169 (24.89%) 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 27 (3.98%) Oracle
9 26 (3.83%) ServiceNow
10 25 (3.68%) IBM
11 19 (2.80%) Salesforce
12 16 (2.36%) MuleSoft
12 16 (2.36%) Workday
13 15 (2.21%) Databricks
14 11 (1.62%) Google
15 10 (1.47%) Dynatrace
16 9 (1.33%) Informatica
16 9 (1.33%) Talend