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

6 months to
7 Jan 2026
Same period 2025 Same period 2024
Rank 235 360 457
Rank change year-on-year +125 +97 -68
Permanent jobs citing Legacy Systems 552 392 277
As % of all permanent jobs in the UK 0.92% 0.72% 0.52%
As % of the Miscellaneous category 2.68% 1.95% 1.40%
Number of salaries quoted 286 205 235
10th Percentile £46,250 £38,750 £39,800
25th Percentile £52,500 £40,000 £47,500
Median annual salary (50th Percentile) £65,000 £52,500 £60,000
Median % change year-on-year +23.81% -12.50% -18.64%
75th Percentile £83,375 £67,500 £78,750
90th Percentile £98,125 £113,000 £96,539
UK excluding London median annual salary £65,000 £45,000 £52,500
% change year-on-year +44.44% -14.29% -12.50%

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 20,618 20,082 19,777
As % of all permanent jobs advertised in the UK 34.51% 37.00% 36.80%
Number of salaries quoted 10,354 9,479 14,387
10th Percentile £27,930 £33,250 £32,500
25th Percentile £36,250 £45,000 £43,520
Median annual salary (50th Percentile) £55,000 £60,000 £60,000
Median % change year-on-year -8.33% - -7.69%
75th Percentile £77,500 £82,500 £82,500
90th Percentile £100,000 £110,000 £105,000
UK excluding London median annual salary £47,500 £54,125 £54,151
% change year-on-year -12.24% -0.05% -1.54%

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 7 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 7 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 +146 485 £67,500 +28.57% 283
UK excluding London +93 312 £65,000 +44.44% 240
London +112 195 £75,000 +36.36% 71
Work from Home +38 135 £64,350 +28.06% 126
South West +95 111 £63,425 -25.38% 28
Midlands +3 57 £65,000 +52.94% 45
South East +9 45 £65,000 +44.44% 73
North of England +1 45 £70,000 +64.71% 49
West Midlands +2 38 £65,000 +52.94% 22
Wales +27 33 £55,000 +46.67% 9
North West +7 20 £70,000 +64.71% 19
East Midlands +8 19 £65,000 +44.44% 23
North East +11 16 £70,000 +137.29% 12
East of England +19 13 £62,500 -3.85% 34
Scotland 0 9 £47,500 +6.74% 9
Yorkshire -12 9 £65,000 +80.56% 18
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 (18.48%) Microsoft Exchange
2 13 (2.36%) Apache Airflow
3 12 (2.17%) Apache
4 8 (1.45%) Appian
4 8 (1.45%) SharePoint
5 7 (1.27%) Confluence
6 5 (0.91%) WinCC
7 4 (0.72%) IIS
8 3 (0.54%) CMS
9 2 (0.36%) Apache Spark
9 2 (0.36%) ColdFusion
9 2 (0.36%) FactoryTalk
9 2 (0.36%) JBoss
9 2 (0.36%) SAS
10 1 (0.18%) Adobe Experience Manager
10 1 (0.18%) Apache Synapse
10 1 (0.18%) Exchange Server 2003
10 1 (0.18%) Kentico
10 1 (0.18%) nginx
10 1 (0.18%) OpenEdge
Applications
1 11 (1.99%) Microsoft Excel
2 10 (1.81%) Microsoft Office
3 3 (0.54%) MS Visio
3 3 (0.54%) Windchill
4 2 (0.36%) Microsoft PowerPoint
5 1 (0.18%) Adobe XD
5 1 (0.18%) Microsoft Project
5 1 (0.18%) Oracle Smart View
Business Applications
1 12 (2.17%) Dynamics CRM
2 6 (1.09%) Dynamics GP
2 6 (1.09%) Oracle Applications
3 4 (0.72%) SAP FI
4 3 (0.54%) Aladdin
4 3 (0.54%) NetSuite
5 2 (0.36%) Dynamics NAV
5 2 (0.36%) Oracle Cash Management
5 2 (0.36%) Oracle Payables
5 2 (0.36%) Oracle Procure-to-Pay
6 1 (0.18%) Primavera
6 1 (0.18%) SAP S/4HANA
Cloud Services
1 253 (45.83%) Azure
2 113 (20.47%) Microsoft 365
3 88 (15.94%) AWS
4 35 (6.34%) Azure DevOps
4 35 (6.34%) Power Platform
5 26 (4.71%) Amazon Bedrock
5 26 (4.71%) Vertex AI
6 24 (4.35%) SaaS
7 22 (3.99%) GitHub
8 16 (2.90%) GCP
9 13 (2.36%) Azure Data Factory
10 10 (1.81%) Amazon CloudWatch
10 10 (1.81%) Amazon SQS
10 10 (1.81%) Dynamics 365
10 10 (1.81%) Power Automate
11 9 (1.63%) ChatGPT
11 9 (1.63%) Entra ID
11 9 (1.63%) GitHub Copilot
11 9 (1.63%) Serverless
12 8 (1.45%) Anthropic Claude
Communications & Networking
1 101 (18.30%) DNS
2 100 (18.12%) DHCP
3 16 (2.90%) Firewall
4 7 (1.27%) Modbus
5 6 (1.09%) VPN
6 5 (0.91%) WAN
7 4 (0.72%) SD-WAN
8 3 (0.54%) LAN
8 3 (0.54%) PuTTY
8 3 (0.54%) TCP/IP
9 2 (0.36%) DMZ
9 2 (0.36%) Extranet
9 2 (0.36%) Intranet
9 2 (0.36%) Network Security
9 2 (0.36%) PSTN
9 2 (0.36%) Unified Communications
9 2 (0.36%) VoIP
9 2 (0.36%) Wi-Fi
10 1 (0.18%) BGP
10 1 (0.18%) RTP
Database & Business Intelligence
1 137 (24.82%) SQL Server
2 96 (17.39%) Amazon RDS
3 51 (9.24%) MySQL
4 40 (7.25%) SQL Server Integration Services
5 27 (4.89%) Power BI
6 17 (3.08%) PostgreSQL
7 14 (2.54%) SQL Server Reporting Services
8 12 (2.17%) Data Warehouse
8 12 (2.17%) Metadata
8 12 (2.17%) NoSQL
8 12 (2.17%) Relational Database
9 8 (1.45%) Pinecone
10 7 (1.27%) Geospatial Data
11 6 (1.09%) Azure SQL Database
11 6 (1.09%) Data Lake
11 6 (1.09%) MongoDB
11 6 (1.09%) Oracle Database
12 5 (0.91%) Metadata Repository
13 4 (0.72%) Amazon Redshift
13 4 (0.72%) BigQuery
Development Applications
1 24 (4.35%) Octopus Deploy
2 22 (3.99%) TeamCity
3 20 (3.62%) Git
4 15 (2.72%) Jenkins
5 11 (1.99%) ERwin
5 11 (1.99%) GitLab
6 9 (1.63%) JIRA
7 8 (1.45%) Cucumber
7 8 (1.45%) JUnit
7 8 (1.45%) MLflow
7 8 (1.45%) Selenium
8 3 (0.54%) Maven
8 3 (0.54%) Sonatype Nexus
9 2 (0.36%) Artifactory
9 2 (0.36%) SonarQube
9 2 (0.36%) Storybook
9 2 (0.36%) Synon
9 2 (0.36%) Visual Studio Code
10 1 (0.18%) JMeter
10 1 (0.18%) Visual Studio
General
1 268 (48.55%) Social Skills
2 162 (29.35%) Analytical Skills
3 121 (21.92%) Finance
4 25 (4.53%) Banking
5 20 (3.62%) Public Sector
6 17 (3.08%) Retail
7 16 (2.90%) Legal
8 15 (2.72%) Law
9 14 (2.54%) Inclusion and Diversity
10 11 (1.99%) Manufacturing
11 9 (1.63%) Influencing Skills
11 9 (1.63%) Investment Banking
12 4 (0.72%) Organisational Skills
13 3 (0.54%) Aerospace
13 3 (0.54%) Back Office
13 3 (0.54%) Documentation Skills
14 2 (0.36%) Billing
14 2 (0.36%) Health Technology
14 2 (0.36%) Marketing
14 2 (0.36%) Music Industry
Job Titles
1 96 (17.39%) Systems Engineer
2 91 (16.49%) Senior
3 88 (15.94%) Developer
4 71 (12.86%) Architect
4 71 (12.86%) Consultant
5 41 (7.43%) Lead
6 31 (5.62%) Analyst
7 28 (5.07%) Senior Developer
8 26 (4.71%) DevOps Engineer
8 26 (4.71%) Gen AI Consultant
8 26 (4.71%) Senior Consultant
9 24 (4.35%) Enterprise Architect
10 22 (3.99%) Data Architect
10 22 (3.99%) Data Engineer
11 17 (3.08%) Software Developer
11 17 (3.08%) Software Engineer
12 14 (2.54%) .NET Developer
12 14 (2.54%) Lead Architect
12 14 (2.54%) Solutions Architect
13 13 (2.36%) Business Analyst
Libraries, Frameworks & Software Standards
1 61 (11.05%) .NET
2 34 (6.16%) REST
3 30 (5.43%) RESTful
4 29 (5.25%) React
5 27 (4.89%) LangChain
6 20 (3.62%) Pandas
7 19 (3.44%) Spring
7 19 (3.44%) Spring Boot
8 17 (3.08%) Django
8 17 (3.08%) Web Services
9 16 (2.90%) Flask
9 16 (2.90%) Kafka
9 16 (2.90%) pytest
10 13 (2.36%) AngularJS
11 11 (1.99%) CSS
11 11 (1.99%) OpenAPI
12 10 (1.81%) Hibernate
12 10 (1.81%) JPA
12 10 (1.81%) NumPy
12 10 (1.81%) OAuth
Miscellaneous
1 55 (9.96%) Cloud Native
2 31 (5.62%) Data Structures
3 27 (4.89%) Hybrid Cloud
4 23 (4.17%) Virtual Team
5 15 (2.72%) Data Centre
6 14 (2.54%) Driving Licence
6 14 (2.54%) Management Information System
7 11 (1.99%) Distributed Architecture
7 11 (1.99%) Enterprise Software
7 11 (1.99%) Low-Code
8 10 (1.81%) Legacy Applications
9 9 (1.63%) Analytical Mindset
9 9 (1.63%) Operational Technology
10 8 (1.45%) SCADA
11 5 (0.91%) Clustering
11 5 (0.91%) Product Ownership
11 5 (0.91%) Reference Data
12 4 (0.72%) Cyber Threat
12 4 (0.72%) Data Protection Act
12 4 (0.72%) NHS
Operating Systems
1 115 (20.83%) Windows
2 107 (19.38%) Linux
3 106 (19.20%) Windows Server
4 103 (18.66%) Windows Server 2016
5 4 (0.72%) VMS
6 3 (0.54%) Windows Server 2019
7 2 (0.36%) Apple iOS
7 2 (0.36%) CentOS
7 2 (0.36%) Red Hat Enterprise Linux
7 2 (0.36%) Ubuntu
7 2 (0.36%) Windows 10
8 1 (0.18%) Solaris
8 1 (0.18%) Unix
8 1 (0.18%) Windows Server 2003
8 1 (0.18%) Windows Server 2012
Processes & Methodologies
1 234 (42.39%) Migration
2 181 (32.79%) Problem-Solving
3 102 (18.48%) Customer Service
4 99 (17.93%) Customer Experience
5 98 (17.75%) Agile
6 96 (17.39%) Email Filtering
6 96 (17.39%) Kalman Filter
6 96 (17.39%) Vulnerability Remediation
6 96 (17.39%) Vulnerability Scanning
6 96 (17.39%) Web Filtering
7 94 (17.03%) CI/CD
8 93 (16.85%) DevOps
9 89 (16.12%) AI
10 76 (13.77%) Stakeholder Management
11 75 (13.59%) Continuous Improvement
12 66 (11.96%) Roadmaps
13 53 (9.60%) OO
14 50 (9.06%) Data Modelling
15 46 (8.33%) Analytics
15 46 (8.33%) Machine Learning
Programming Languages
1 89 (16.12%) SQL
2 54 (9.78%) Python
3 53 (9.60%) Delphi
4 44 (7.97%) Pascal
5 41 (7.43%) C#
6 35 (6.34%) PowerShell
7 31 (5.62%) Java
8 30 (5.43%) JavaScript
9 18 (3.26%) TypeScript
10 17 (3.08%) PHP
11 6 (1.09%) T-SQL
12 5 (0.91%) Bicep
13 4 (0.72%) PL/SQL
13 4 (0.72%) VB.NET
14 3 (0.54%) Bash
14 3 (0.54%) Scala
14 3 (0.54%) VB
15 2 (0.36%) RPG
15 2 (0.36%) Shell Script
16 1 (0.18%) VB6
Qualifications
1 109 (19.75%) Security Cleared
2 108 (19.57%) SC Cleared
3 56 (10.14%) Degree
4 35 (6.34%) Computer Science Degree
5 7 (1.27%) Azure Certification
6 5 (0.91%) ACCA
6 5 (0.91%) CIMA
6 5 (0.91%) TOGAF Certification
7 3 (0.54%) DV Cleared
7 3 (0.54%) HND
7 3 (0.54%) Microsoft Certification
8 2 (0.36%) CCNP
8 2 (0.36%) Cisco Certification
9 1 (0.18%) APMG
9 1 (0.18%) CCNA
9 1 (0.18%) DBS Check
9 1 (0.18%) HNC
9 1 (0.18%) ITIL Foundation Certificate
9 1 (0.18%) Master's Degree
9 1 (0.18%) PhD
Quality Assurance & Compliance
1 98 (17.75%) Cyber Essentials
2 97 (17.57%) PCI DSS
3 56 (10.14%) QA
4 30 (5.43%) Data Quality
5 14 (2.54%) GDPR
6 8 (1.45%) ISO/IEC 27001
7 7 (1.27%) Accessibility
8 5 (0.91%) IEC 61508
9 4 (0.72%) COBIT
10 3 (0.54%) IEC 61131
10 3 (0.54%) NIST
10 3 (0.54%) PMO
11 2 (0.36%) Cyber Essentials PLUS
11 2 (0.36%) ISO 20022
12 1 (0.18%) Actionable Recommendations
System Software
1 106 (19.20%) Active Directory
2 103 (18.66%) Hyper-V
3 96 (17.39%) Terminal Server
4 47 (8.51%) Docker
5 12 (2.17%) VMware Infrastructure
6 3 (0.54%) VMware ESXi
7 1 (0.18%) Virtual Desktop
7 1 (0.18%) Virtual Machines
7 1 (0.18%) Virtual Servers
7 1 (0.18%) VMware Server
7 1 (0.18%) vSphere
Systems Management
1 48 (8.70%) Kubernetes
2 41 (7.43%) Terraform
3 12 (2.17%) Grafana
4 6 (1.09%) Microsoft Intune
5 3 (0.54%) Prometheus
6 2 (0.36%) Ansible
6 2 (0.36%) CSIRT
6 2 (0.36%) Plesk
7 1 (0.18%) Cisco CUCM
7 1 (0.18%) FortiGate
7 1 (0.18%) Jamf Pro
7 1 (0.18%) Kibana
7 1 (0.18%) SCOM
7 1 (0.18%) vCenter Server
7 1 (0.18%) VxRail
7 1 (0.18%) ZABBIX
Vendors
1 185 (33.51%) Microsoft
2 113 (20.47%) VMware
3 100 (18.12%) Splunk
4 99 (17.93%) SolarWinds
4 99 (17.93%) Veeam
5 96 (17.39%) Brocade
5 96 (17.39%) Nimble Storage
5 96 (17.39%) Tanium
6 79 (14.31%) Oracle
7 30 (5.43%) Google
8 12 (2.17%) SAP
9 11 (1.99%) OpenAI
9 11 (1.99%) Salesforce
10 9 (1.63%) Databricks
11 8 (1.45%) Automation Anywhere
11 8 (1.45%) HubSpot
11 8 (1.45%) UiPath
12 6 (1.09%) Cisco
13 5 (0.91%) Citrix
13 5 (0.91%) Siemens