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

6 months to
14 Jan 2026
Same period 2025 Same period 2024
Rank 234 355 453
Rank change year-on-year +121 +98 -62
Permanent jobs citing Legacy Systems 562 393 280
As % of all permanent jobs in the UK 0.94% 0.73% 0.50%
As % of the Miscellaneous category 2.73% 1.97% 1.37%
Number of salaries quoted 293 200 237
10th Percentile £46,250 £38,750 £39,800
25th Percentile £52,500 £39,813 £47,500
Median annual salary (50th Percentile) £67,000 £50,250 £60,000
Median % change year-on-year +33.33% -16.25% -17.24%
75th Percentile £83,000 £67,500 £77,715
90th Percentile £97,500 £104,375 £94,250
UK excluding London median annual salary £65,000 £45,000 £51,403
% change year-on-year +44.44% -12.46% -14.33%

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 20,555 19,907 20,386
As % of all permanent jobs advertised in the UK 34.26% 37.20% 36.61%
Number of salaries quoted 10,326 9,320 14,805
10th Percentile £27,850 £33,750 £32,000
25th Percentile £36,250 £46,250 £42,500
Median annual salary (50th Percentile) £55,000 £60,000 £60,000
Median % change year-on-year -8.33% - -7.69%
75th Percentile £77,500 £83,750 £82,500
90th Percentile £100,000 £110,000 £105,000
UK excluding London median annual salary £47,500 £55,000 £52,500
% change year-on-year -13.64% +4.76% -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 14 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 14 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 +133 496 £67,500 +28.57% 307
UK excluding London +93 321 £65,000 +44.44% 280
London +115 196 £75,000 +39.53% 60
Work from Home +47 137 £64,350 +28.70% 163
South West +102 115 £64,350 -26.46% 42
Midlands +6 57 £65,000 +52.94% 46
North of England -2 48 £70,000 +64.71% 50
South East +21 47 £66,250 +47.22% 89
West Midlands 0 38 £65,000 +52.94% 25
Wales +30 33 £55,000 +46.67% 10
North East +20 20 £70,000 +137.29% 10
North West +4 20 £70,000 +64.71% 25
East Midlands -1 19 £65,000 +44.44% 21
East of England +24 13 £62,500 -3.85% 39
Scotland +8 9 £47,500 +6.74% 9
Yorkshire -15 8 £65,000 +44.44% 15
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 (18.15%) Microsoft Exchange
2 14 (2.49%) Apache Airflow
3 13 (2.31%) Apache
4 9 (1.60%) Appian
5 8 (1.42%) SharePoint
6 7 (1.25%) Confluence
7 5 (0.89%) WinCC
8 4 (0.71%) IIS
9 3 (0.53%) CMS
10 2 (0.36%) Apache Spark
10 2 (0.36%) ColdFusion
10 2 (0.36%) FactoryTalk
10 2 (0.36%) JBoss
10 2 (0.36%) SAS
11 1 (0.18%) Adobe Experience Manager
11 1 (0.18%) Apache Synapse
11 1 (0.18%) Exchange Server 2003
11 1 (0.18%) Kentico
11 1 (0.18%) nginx
Applications
1 10 (1.78%) Microsoft Excel
1 10 (1.78%) Microsoft Office
2 3 (0.53%) MS Visio
2 3 (0.53%) Windchill
3 2 (0.36%) Microsoft PowerPoint
4 1 (0.18%) Adobe XD
4 1 (0.18%) Microsoft Project
4 1 (0.18%) Oracle Smart View
Business Applications
1 11 (1.96%) Dynamics CRM
2 7 (1.25%) Oracle Applications
3 6 (1.07%) Dynamics GP
4 3 (0.53%) NetSuite
4 3 (0.53%) SAP FI
5 2 (0.36%) Aladdin
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
1 255 (45.37%) Azure
2 113 (20.11%) Microsoft 365
3 92 (16.37%) AWS
4 36 (6.41%) Azure DevOps
4 36 (6.41%) Power Platform
5 26 (4.63%) Amazon Bedrock
5 26 (4.63%) Vertex AI
6 23 (4.09%) GitHub
6 23 (4.09%) SaaS
7 18 (3.20%) GCP
8 14 (2.49%) Azure Data Factory
9 11 (1.96%) Amazon SQS
9 11 (1.96%) Power Automate
10 10 (1.78%) Amazon CloudWatch
10 10 (1.78%) Dynamics 365
11 9 (1.60%) Anthropic Claude
11 9 (1.60%) Azure AI
11 9 (1.60%) Entra ID
11 9 (1.60%) Serverless
11 9 (1.60%) Stripe
Communications & Networking
1 101 (17.97%) DNS
2 100 (17.79%) DHCP
3 16 (2.85%) Firewall
4 7 (1.25%) Modbus
5 6 (1.07%) VPN
6 5 (0.89%) WAN
7 4 (0.71%) SD-WAN
8 3 (0.53%) LAN
8 3 (0.53%) PuTTY
8 3 (0.53%) 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%) NAS
Database & Business Intelligence
1 136 (24.20%) SQL Server
2 96 (17.08%) Amazon RDS
3 51 (9.07%) MySQL
4 40 (7.12%) SQL Server Integration Services
5 26 (4.63%) Power BI
6 17 (3.02%) PostgreSQL
7 14 (2.49%) SQL Server Reporting Services
8 13 (2.31%) Data Warehouse
8 13 (2.31%) Metadata
8 13 (2.31%) NoSQL
9 10 (1.78%) Relational Database
10 9 (1.60%) Pinecone
11 7 (1.25%) Geospatial Data
12 6 (1.07%) Azure SQL Database
12 6 (1.07%) Data Lake
12 6 (1.07%) MongoDB
12 6 (1.07%) Oracle Database
13 5 (0.89%) Metadata Repository
14 4 (0.71%) Amazon Redshift
14 4 (0.71%) BigQuery
Development Applications
1 23 (4.09%) Octopus Deploy
2 22 (3.91%) TeamCity
3 19 (3.38%) Git
4 16 (2.85%) Jenkins
5 11 (1.96%) ERwin
5 11 (1.96%) GitLab
6 9 (1.60%) MLflow
7 8 (1.42%) Cucumber
7 8 (1.42%) JIRA
7 8 (1.42%) JUnit
7 8 (1.42%) Selenium
8 3 (0.53%) Maven
8 3 (0.53%) Sonatype Nexus
8 3 (0.53%) Storybook
9 2 (0.36%) SonarQube
9 2 (0.36%) Synon
9 2 (0.36%) Visual Studio Code
10 1 (0.18%) JMeter
10 1 (0.18%) LoadRunner
10 1 (0.18%) Visual Studio
General
1 271 (48.22%) Social Skills
2 161 (28.65%) Analytical Skills
3 123 (21.89%) Finance
4 26 (4.63%) Banking
5 22 (3.91%) Public Sector
6 17 (3.02%) Retail
7 16 (2.85%) Legal
8 15 (2.67%) Law
9 14 (2.49%) Inclusion and Diversity
10 12 (2.14%) Manufacturing
11 10 (1.78%) Influencing Skills
12 9 (1.60%) Investment Banking
13 4 (0.71%) Aerospace
13 4 (0.71%) Documentation Skills
13 4 (0.71%) Organisational Skills
14 2 (0.36%) Back Office
14 2 (0.36%) Billing
14 2 (0.36%) Health Technology
14 2 (0.36%) Marketing
14 2 (0.36%) Pharmaceutical
Job Titles
1 96 (17.08%) Systems Engineer
2 95 (16.90%) Senior
3 90 (16.01%) Developer
4 73 (12.99%) Architect
5 72 (12.81%) Consultant
6 40 (7.12%) Lead
7 33 (5.87%) Analyst
8 28 (4.98%) Senior Developer
9 26 (4.63%) DevOps Engineer
9 26 (4.63%) Gen AI Consultant
9 26 (4.63%) Senior Consultant
10 25 (4.45%) Enterprise Architect
11 23 (4.09%) Data Engineer
12 22 (3.91%) Data Architect
13 19 (3.38%) Software Engineer
14 17 (3.02%) Software Developer
15 14 (2.49%) .NET Developer
15 14 (2.49%) Lead Architect
15 14 (2.49%) Principal Developer
16 13 (2.31%) Business Analyst
Libraries, Frameworks & Software Standards
1 62 (11.03%) .NET
2 34 (6.05%) RESTful
3 33 (5.87%) REST
4 32 (5.69%) React
5 27 (4.80%) LangChain
6 21 (3.74%) Pandas
7 20 (3.56%) Spring
7 20 (3.56%) Spring Boot
8 18 (3.20%) Django
9 17 (3.02%) Flask
9 17 (3.02%) Kafka
9 17 (3.02%) pytest
9 17 (3.02%) Web Services
10 13 (2.31%) AngularJS
11 12 (2.14%) CSS
11 12 (2.14%) OpenAPI
12 11 (1.96%) Hibernate
12 11 (1.96%) JPA
12 11 (1.96%) OAuth
12 11 (1.96%) Swagger
Miscellaneous
1 55 (9.79%) Cloud Native
2 31 (5.52%) Data Structures
3 30 (5.34%) Hybrid Cloud
4 23 (4.09%) Virtual Team
5 15 (2.67%) Data Centre
5 15 (2.67%) Driving Licence
6 14 (2.49%) Management Information System
7 13 (2.31%) Low-Code
8 12 (2.14%) Distributed Architecture
8 12 (2.14%) Enterprise Software
9 11 (1.96%) Legacy Applications
10 9 (1.60%) Analytical Mindset
11 8 (1.42%) Operational Technology
11 8 (1.42%) SCADA
12 5 (0.89%) Clustering
12 5 (0.89%) Reference Data
13 4 (0.71%) Cyber Threat
13 4 (0.71%) Data Protection Act
13 4 (0.71%) NHS
13 4 (0.71%) Product Ownership
Operating Systems
1 115 (20.46%) Windows
2 107 (19.04%) Linux
3 106 (18.86%) Windows Server
4 103 (18.33%) Windows Server 2016
5 4 (0.71%) VMS
6 3 (0.53%) 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
1 240 (42.70%) Migration
2 181 (32.21%) Problem-Solving
3 102 (18.15%) Customer Service
4 99 (17.62%) CI/CD
4 99 (17.62%) Customer Experience
5 98 (17.44%) Agile
6 96 (17.08%) DevOps
6 96 (17.08%) Email Filtering
6 96 (17.08%) Kalman Filter
6 96 (17.08%) Vulnerability Remediation
6 96 (17.08%) Vulnerability Scanning
6 96 (17.08%) Web Filtering
7 89 (15.84%) AI
8 78 (13.88%) Stakeholder Management
9 76 (13.52%) Continuous Improvement
10 66 (11.74%) Roadmaps
11 54 (9.61%) OO
12 52 (9.25%) Data Modelling
13 47 (8.36%) Analytics
13 47 (8.36%) Microservices
Programming Languages
1 92 (16.37%) SQL
2 56 (9.96%) Python
3 53 (9.43%) Delphi
4 44 (7.83%) Pascal
5 43 (7.65%) C#
6 35 (6.23%) PowerShell
7 33 (5.87%) JavaScript
8 32 (5.69%) Java
9 19 (3.38%) TypeScript
10 18 (3.20%) PHP
11 7 (1.25%) T-SQL
12 5 (0.89%) Bicep
13 4 (0.71%) PL/SQL
13 4 (0.71%) VB.NET
14 3 (0.53%) Bash
14 3 (0.53%) Scala
14 3 (0.53%) VB
15 2 (0.36%) RPG
15 2 (0.36%) Shell Script
15 2 (0.36%) VBA
Qualifications
1 111 (19.75%) Security Cleared
2 109 (19.40%) SC Cleared
3 56 (9.96%) Degree
4 35 (6.23%) Computer Science Degree
5 7 (1.25%) Azure Certification
6 4 (0.71%) ACCA
6 4 (0.71%) CIMA
6 4 (0.71%) DV Cleared
7 3 (0.53%) HND
7 3 (0.53%) Microsoft Certification
7 3 (0.53%) TOGAF 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 (17.44%) Cyber Essentials
2 97 (17.26%) PCI DSS
3 56 (9.96%) QA
4 32 (5.69%) Data Quality
5 14 (2.49%) GDPR
6 8 (1.42%) Accessibility
6 8 (1.42%) ISO/IEC 27001
7 5 (0.89%) IEC 61508
8 4 (0.71%) COBIT
9 3 (0.53%) IEC 61131
9 3 (0.53%) NIST
9 3 (0.53%) PMO
10 2 (0.36%) Cyber Essentials PLUS
10 2 (0.36%) ISO 20022
11 1 (0.18%) Actionable Recommendations
System Software
1 106 (18.86%) Active Directory
2 103 (18.33%) Hyper-V
3 96 (17.08%) Terminal Server
4 50 (8.90%) Docker
5 12 (2.14%) VMware Infrastructure
6 3 (0.53%) 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 50 (8.90%) Kubernetes
2 41 (7.30%) Terraform
3 12 (2.14%) Grafana
4 6 (1.07%) Microsoft Intune
5 3 (0.53%) 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
1 186 (33.10%) Microsoft
2 113 (20.11%) VMware
3 100 (17.79%) Splunk
4 99 (17.62%) SolarWinds
4 99 (17.62%) Veeam
5 96 (17.08%) Brocade
5 96 (17.08%) Nimble Storage
5 96 (17.08%) Tanium
6 78 (13.88%) Oracle
7 30 (5.34%) Google
8 12 (2.14%) OpenAI
9 11 (1.96%) SAP
10 10 (1.78%) Salesforce
11 9 (1.60%) Automation Anywhere
11 9 (1.60%) HubSpot
11 9 (1.60%) UiPath
12 8 (1.42%) Databricks
13 6 (1.07%) Cisco
14 5 (0.89%) Citrix
14 5 (0.89%) Siemens