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 25 January 2026, comparing them to the same period in the previous two years.

6 months to
25 Jan 2026
Same period 2025 Same period 2024
Rank 236 362 473
Rank change year-on-year +126 +111 -70
Permanent jobs citing Legacy Systems 572 393 313
As % of all permanent jobs in the UK 0.91% 0.74% 0.47%
As % of the Miscellaneous category 2.73% 2.00% 1.29%
Number of salaries quoted 312 197 256
10th Percentile £46,250 £38,750 £37,500
25th Percentile £55,000 £39,250 £47,500
Median annual salary (50th Percentile) £65,000 £50,500 £57,500
Median % change year-on-year +28.71% -12.17% -20.69%
75th Percentile £80,000 £67,500 £77,500
90th Percentile £96,125 £102,250 £93,125
UK excluding London median annual salary £63,076 £45,000 £50,000
% change year-on-year +40.17% -10.00% -16.00%

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 20,957 19,637 24,215
As % of all permanent jobs advertised in the UK 33.41% 37.19% 36.19%
Number of salaries quoted 10,520 9,136 17,804
10th Percentile £28,000 £33,750 £30,500
25th Percentile £36,750 £46,179 £41,250
Median annual salary (50th Percentile) £55,000 £60,000 £57,900
Median % change year-on-year -8.33% +3.63% -10.92%
75th Percentile £77,500 £83,750 £80,000
90th Percentile £100,000 £112,500 £100,000
UK excluding London median annual salary £47,500 £55,000 £51,000
% change year-on-year -13.64% +7.84% -7.27%

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 25 January 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 25 January 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 +127 507 £65,000 +23.81% 357
UK excluding London +91 335 £63,076 +40.17% 337
London +93 189 £72,500 +31.82% 66
Work from Home +55 155 £63,076 +24.90% 91
South West +84 113 £62,600 -30.44% 48
North of England +13 64 £63,076 +48.41% 61
Midlands -3 57 £65,000 +52.94% 62
South East +14 47 £65,000 +44.44% 102
West Midlands +4 37 £65,000 +52.94% 24
Wales +25 31 £55,000 +46.67% 14
North East +16 25 £63,076 +113.82% 8
North West +4 23 £70,000 +64.71% 28
East Midlands +4 20 £60,100 +33.56% 37
Yorkshire -14 16 £63,076 +40.17% 25
East of England +21 15 £62,500 -3.85% 44
Scotland -11 9 £47,500 +6.74% 10
Channel Islands - 1 £90,000 -

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
1 102 (17.83%) Microsoft Exchange
2 14 (2.45%) Apache Airflow
3 13 (2.27%) Apache
4 11 (1.92%) Appian
4 11 (1.92%) Confluence
5 9 (1.57%) SharePoint
6 5 (0.87%) IIS
6 5 (0.87%) WinCC
7 3 (0.52%) CMS
8 2 (0.35%) Apache Spark
8 2 (0.35%) ColdFusion
8 2 (0.35%) FactoryTalk
8 2 (0.35%) JBoss
8 2 (0.35%) SAS
9 1 (0.17%) Adobe Experience Manager
9 1 (0.17%) Apache Synapse
9 1 (0.17%) Exchange Server 2003
9 1 (0.17%) Kentico
9 1 (0.17%) nginx
Applications
1 8 (1.40%) Microsoft Excel
1 8 (1.40%) Microsoft Office
2 5 (0.87%) MS Visio
3 2 (0.35%) Microsoft PowerPoint
4 1 (0.17%) Adobe XD
4 1 (0.17%) Microsoft Project
4 1 (0.17%) Oracle Smart View
4 1 (0.17%) Spreadsheet
4 1 (0.17%) Windchill
Business Applications
1 11 (1.92%) Dynamics CRM
2 7 (1.22%) Oracle Applications
3 6 (1.05%) Dynamics GP
4 3 (0.52%) NetSuite
4 3 (0.52%) SAP S/4HANA
5 2 (0.35%) Aladdin
5 2 (0.35%) Dynamics NAV
5 2 (0.35%) Oracle Cash Management
5 2 (0.35%) Oracle Payables
5 2 (0.35%) Oracle Procure-to-Pay
6 1 (0.17%) Primavera
6 1 (0.17%) SAP FI
6 1 (0.17%) SAP MDG
Cloud Services
1 256 (44.76%) Azure
2 113 (19.76%) Microsoft 365
3 96 (16.78%) AWS
4 47 (8.22%) Power Platform
5 34 (5.94%) Azure DevOps
6 25 (4.37%) Amazon Bedrock
6 25 (4.37%) SaaS
6 25 (4.37%) Vertex AI
7 24 (4.20%) GCP
8 22 (3.85%) PowerApps
9 21 (3.67%) GitHub
10 15 (2.62%) Azure Data Factory
11 14 (2.45%) Power Automate
12 11 (1.92%) Amazon CloudWatch
12 11 (1.92%) Amazon SQS
12 11 (1.92%) Anthropic Claude
12 11 (1.92%) Azure AI
13 10 (1.75%) Dynamics 365
13 10 (1.75%) PaaS
13 10 (1.75%) Stripe
Communications & Networking
1 102 (17.83%) DNS
2 101 (17.66%) DHCP
3 16 (2.80%) Firewall
4 7 (1.22%) Modbus
5 6 (1.05%) VPN
6 5 (0.87%) WAN
7 4 (0.70%) SD-WAN
7 4 (0.70%) TCP/IP
8 3 (0.52%) LAN
8 3 (0.52%) PuTTY
9 2 (0.35%) DMZ
9 2 (0.35%) Extranet
9 2 (0.35%) Intranet
9 2 (0.35%) Network Security
9 2 (0.35%) PSTN
9 2 (0.35%) Unified Communications
9 2 (0.35%) VoIP
9 2 (0.35%) Wi-Fi
10 1 (0.17%) NAS
10 1 (0.17%) Structured Cabling
Database & Business Intelligence
1 123 (21.50%) SQL Server
2 97 (16.96%) Amazon RDS
3 39 (6.82%) MySQL
4 37 (6.47%) SQL Server Integration Services
5 21 (3.67%) Power BI
6 16 (2.80%) PostgreSQL
7 13 (2.27%) Metadata
8 12 (2.10%) Data Warehouse
8 12 (2.10%) NoSQL
8 12 (2.10%) SQL Server Reporting Services
9 11 (1.92%) Pinecone
10 8 (1.40%) Relational Database
11 7 (1.22%) Azure SQL Database
11 7 (1.22%) Geospatial Data
11 7 (1.22%) MongoDB
12 6 (1.05%) Data Lake
12 6 (1.05%) Oracle Database
13 5 (0.87%) Amazon Redshift
13 5 (0.87%) BigQuery
13 5 (0.87%) Metadata Repository
Development Applications
1 22 (3.85%) Git
2 21 (3.67%) Octopus Deploy
3 20 (3.50%) TeamCity
4 16 (2.80%) Jenkins
5 13 (2.27%) GitLab
6 12 (2.10%) JIRA
7 11 (1.92%) ERwin
7 11 (1.92%) MLflow
8 10 (1.75%) JUnit
9 8 (1.40%) Cucumber
9 8 (1.40%) Selenium
10 5 (0.87%) Maven
11 3 (0.52%) SonarQube
11 3 (0.52%) Sonatype Nexus
11 3 (0.52%) Storybook
12 2 (0.35%) Synon
12 2 (0.35%) Visual Studio
12 2 (0.35%) Visual Studio Code
13 1 (0.17%) JMeter
13 1 (0.17%) LoadRunner
General
1 267 (46.68%) Social Skills
2 161 (28.15%) Analytical Skills
3 120 (20.98%) Finance
4 44 (7.69%) Public Sector
5 26 (4.55%) Banking
6 16 (2.80%) Law
6 16 (2.80%) Legal
7 15 (2.62%) Inclusion and Diversity
7 15 (2.62%) Retail
8 11 (1.92%) Influencing Skills
9 10 (1.75%) Manufacturing
10 7 (1.22%) Investment Banking
11 5 (0.87%) Documentation Skills
12 4 (0.70%) Organisational Skills
13 3 (0.52%) Marketing
14 2 (0.35%) Aerospace
14 2 (0.35%) Back Office
14 2 (0.35%) Billing
14 2 (0.35%) Front Office
14 2 (0.35%) Music Industry
Job Titles
1 110 (19.23%) Senior
2 96 (16.78%) Systems Engineer
3 93 (16.26%) Developer
4 74 (12.94%) Architect
5 62 (10.84%) Consultant
6 46 (8.04%) Lead
7 34 (5.94%) Analyst
8 27 (4.72%) Senior Developer
9 26 (4.55%) Senior Consultant
10 25 (4.37%) DevOps Engineer
10 25 (4.37%) Enterprise Architect
10 25 (4.37%) Gen AI Consultant
11 22 (3.85%) Data Architect
11 22 (3.85%) Project Manager
12 21 (3.67%) Data Engineer
12 21 (3.67%) Senior Manager
12 21 (3.67%) Software Engineer
13 17 (2.97%) Software Developer
14 16 (2.80%) Business Analyst
15 15 (2.62%) Senior Project Manager
Libraries, Frameworks & Software Standards
1 62 (10.84%) .NET
2 36 (6.29%) REST
2 36 (6.29%) RESTful
3 34 (5.94%) React
4 26 (4.55%) LangChain
5 22 (3.85%) Pandas
5 22 (3.85%) Spring
6 20 (3.50%) Django
6 20 (3.50%) Spring Boot
7 19 (3.32%) Flask
7 19 (3.32%) pytest
7 19 (3.32%) Web Services
8 17 (2.97%) Kafka
9 14 (2.45%) OAuth
9 14 (2.45%) OpenAPI
10 13 (2.27%) FastAPI
10 13 (2.27%) Swagger
11 12 (2.10%) Laravel
11 12 (2.10%) PyTorch
11 12 (2.10%) TensorFlow
Miscellaneous
1 59 (10.31%) Cloud Native
2 39 (6.82%) Hybrid Cloud
3 29 (5.07%) Data Structures
4 27 (4.72%) Low-Code
5 22 (3.85%) Legacy Applications
6 21 (3.67%) Virtual Team
7 15 (2.62%) Driving Licence
8 14 (2.45%) Management Information System
9 13 (2.27%) Data Centre
10 12 (2.10%) Distributed Architecture
10 12 (2.10%) Enterprise Software
11 9 (1.57%) Analytical Mindset
11 9 (1.57%) Product Ownership
12 8 (1.40%) Operational Technology
12 8 (1.40%) SCADA
13 6 (1.05%) Reference Data
14 5 (0.87%) Clustering
14 5 (0.87%) Data Protection Act
15 4 (0.70%) IoT
16 3 (0.52%) Cyber Threat
Operating Systems
1 113 (19.76%) Windows
2 109 (19.06%) Linux
3 106 (18.53%) Windows Server
4 103 (18.01%) Windows Server 2016
5 4 (0.70%) VMS
6 3 (0.52%) CentOS
6 3 (0.52%) Red Hat Enterprise Linux
6 3 (0.52%) Ubuntu
6 3 (0.52%) Windows Server 2019
7 2 (0.35%) Windows 10
8 1 (0.17%) Solaris
8 1 (0.17%) Unix
8 1 (0.17%) Windows Server 2003
8 1 (0.17%) Windows Server 2012
Processes & Methodologies
1 242 (42.31%) Migration
2 178 (31.12%) Problem-Solving
3 116 (20.28%) Agile
4 105 (18.36%) CI/CD
5 102 (17.83%) Customer Service
6 99 (17.31%) Customer Experience
7 96 (16.78%) DevOps
7 96 (16.78%) Email Filtering
7 96 (16.78%) Kalman Filter
7 96 (16.78%) Vulnerability Remediation
7 96 (16.78%) Vulnerability Scanning
7 96 (16.78%) Web Filtering
8 85 (14.86%) AI
9 84 (14.69%) Continuous Improvement
10 80 (13.99%) Stakeholder Management
11 70 (12.24%) Mentoring
12 69 (12.06%) Roadmaps
13 54 (9.44%) Data Modelling
14 50 (8.74%) Microservices
14 50 (8.74%) Software Engineering
Programming Languages
1 89 (15.56%) SQL
2 58 (10.14%) Python
3 45 (7.87%) C#
4 44 (7.69%) Delphi
5 36 (6.29%) PowerShell
6 34 (5.94%) JavaScript
6 34 (5.94%) Pascal
7 33 (5.77%) Java
8 21 (3.67%) PHP
9 18 (3.15%) TypeScript
10 14 (2.45%) VBA
11 8 (1.40%) T-SQL
12 5 (0.87%) Bash
12 5 (0.87%) Bicep
13 4 (0.70%) PL/SQL
14 3 (0.52%) Scala
14 3 (0.52%) VB
14 3 (0.52%) VB.NET
15 2 (0.35%) Shell Script
15 2 (0.35%) VB6
Qualifications
1 117 (20.45%) Security Cleared
2 113 (19.76%) SC Cleared
3 56 (9.79%) Degree
4 36 (6.29%) Computer Science Degree
5 6 (1.05%) Azure Certification
6 4 (0.70%) DV Cleared
6 4 (0.70%) Microsoft Certification
7 3 (0.52%) HND
8 2 (0.35%) CCNP
8 2 (0.35%) Cisco Certification
8 2 (0.35%) Master's Degree
8 2 (0.35%) PhD
9 1 (0.17%) ACCA
9 1 (0.17%) APMG
9 1 (0.17%) AWS Certified Solutions Architect
9 1 (0.17%) CCNA
9 1 (0.17%) CIMA
9 1 (0.17%) HNC
9 1 (0.17%) ITIL Foundation Certificate
9 1 (0.17%) TOGAF Certification
Quality Assurance & Compliance
1 98 (17.13%) Cyber Essentials
2 97 (16.96%) PCI DSS
3 46 (8.04%) QA
4 37 (6.47%) Data Quality
5 14 (2.45%) GDPR
6 8 (1.40%) Accessibility
6 8 (1.40%) ISO/IEC 27001
7 5 (0.87%) IEC 61508
8 4 (0.70%) COBIT
9 3 (0.52%) IEC 61131
9 3 (0.52%) NIST
9 3 (0.52%) PMO
10 2 (0.35%) Cyber Essentials PLUS
10 2 (0.35%) ISO 20022
11 1 (0.17%) Actionable Recommendations
System Software
1 106 (18.53%) Active Directory
2 104 (18.18%) Hyper-V
3 96 (16.78%) Terminal Server
4 53 (9.27%) Docker
5 13 (2.27%) VMware Infrastructure
6 3 (0.52%) VMware ESXi
7 1 (0.17%) Virtual Machines
7 1 (0.17%) Virtual Servers
7 1 (0.17%) VMware Server
7 1 (0.17%) vSphere
Systems Management
1 53 (9.27%) Kubernetes
2 43 (7.52%) Terraform
3 13 (2.27%) Grafana
4 6 (1.05%) Microsoft Intune
5 4 (0.70%) Ansible
5 4 (0.70%) Prometheus
6 2 (0.35%) CSIRT
6 2 (0.35%) Plesk
7 1 (0.17%) Cisco CUCM
7 1 (0.17%) FortiGate
7 1 (0.17%) Jamf Pro
7 1 (0.17%) Kibana
7 1 (0.17%) NetBackup
7 1 (0.17%) SCOM
7 1 (0.17%) vCenter Server
7 1 (0.17%) VxRail
7 1 (0.17%) ZABBIX
Vendors
1 194 (33.92%) Microsoft
2 114 (19.93%) VMware
3 101 (17.66%) Splunk
4 100 (17.48%) Veeam
5 99 (17.31%) SolarWinds
6 96 (16.78%) Brocade
6 96 (16.78%) Nimble Storage
6 96 (16.78%) Tanium
7 68 (11.89%) Oracle
8 31 (5.42%) Google
9 14 (2.45%) OpenAI
10 13 (2.27%) SAP
11 11 (1.92%) Automation Anywhere
11 11 (1.92%) UiPath
12 10 (1.75%) HubSpot
13 8 (1.40%) Salesforce
14 7 (1.22%) Cisco
15 6 (1.05%) Databricks
16 5 (0.87%) MuleSoft
16 5 (0.87%) Rockwell