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

6 months to
10 Jan 2026
Same period 2025 Same period 2024
Rank 234 380 453
Rank change year-on-year +146 +73 -65
Permanent jobs citing Legacy Systems 555 386 278
As % of all permanent jobs in the UK 0.93% 0.72% 0.50%
As % of the Miscellaneous category 2.71% 1.94% 1.37%
Number of salaries quoted 289 200 234
10th Percentile £46,250 £38,750 £39,826
25th Percentile £52,500 £39,813 £47,500
Median annual salary (50th Percentile) £65,300 £50,250 £60,000
Median % change year-on-year +29.95% -16.25% -17.24%
75th Percentile £83,375 £67,500 £77,661
90th Percentile £97,500 £110,500 £93,375
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 20,493 19,889 20,233
As % of all permanent jobs advertised in the UK 34.41% 37.06% 36.52%
Number of salaries quoted 10,304 9,348 14,700
10th Percentile £27,750 £33,500 £32,500
25th Percentile £36,250 £45,471 £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 £82,500 £82,500
90th Percentile £100,000 £110,000 £105,000
UK excluding London median annual salary £47,500 £54,793 £53,500
% change year-on-year -13.31% +2.42% -2.73%

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 10 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 10 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 +134 488 £67,500 +28.57% 317
UK excluding London +94 315 £65,000 +44.44% 290
London +112 195 £75,000 +39.53% 59
Work from Home +67 137 £64,350 +28.70% 137
South West +93 113 £64,350 -26.46% 39
Midlands +9 55 £65,000 +52.94% 58
North of England +4 47 £70,000 +64.71% 54
South East +15 46 £66,250 +47.22% 84
West Midlands +2 37 £66,000 +55.29% 27
Wales +23 33 £55,000 +46.67% 11
North West +8 20 £70,000 +64.71% 26
North East +13 18 £70,000 +137.29% 9
East Midlands +9 18 £65,000 +44.44% 31
East of England +13 13 £62,500 -3.85% 41
Scotland +6 9 £47,500 +6.74% 9
Yorkshire -16 9 £65,000 +80.56% 19
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 (18.38%) Microsoft Exchange
2 13 (2.34%) Apache Airflow
3 12 (2.16%) Apache
4 9 (1.62%) Appian
5 8 (1.44%) SharePoint
6 7 (1.26%) Confluence
7 5 (0.90%) WinCC
8 4 (0.72%) IIS
9 3 (0.54%) 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
11 1 (0.18%) OpenEdge
Applications
1 11 (1.98%) Microsoft Excel
2 10 (1.80%) 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 (2.16%) Dynamics CRM
2 6 (1.08%) Dynamics GP
2 6 (1.08%) Oracle Applications
3 4 (0.72%) SAP FI
4 3 (0.54%) NetSuite
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 (45.95%) Azure
2 113 (20.36%) Microsoft 365
3 90 (16.22%) AWS
4 36 (6.49%) Azure DevOps
4 36 (6.49%) Power Platform
5 26 (4.68%) Amazon Bedrock
5 26 (4.68%) Vertex AI
6 24 (4.32%) GitHub
7 23 (4.14%) SaaS
8 17 (3.06%) GCP
9 14 (2.52%) Azure Data Factory
10 11 (1.98%) Dynamics 365
10 11 (1.98%) Power Automate
11 10 (1.80%) Amazon CloudWatch
11 10 (1.80%) Amazon SQS
12 9 (1.62%) Anthropic Claude
12 9 (1.62%) Azure AI
12 9 (1.62%) ChatGPT
12 9 (1.62%) Entra ID
12 9 (1.62%) Serverless
Communications & Networking
1 101 (18.20%) DNS
2 100 (18.02%) DHCP
3 16 (2.88%) Firewall
4 7 (1.26%) Modbus
5 6 (1.08%) VPN
6 5 (0.90%) 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%) SMTP
10 1 (0.18%) Structured Cabling
Database & Business Intelligence
1 138 (24.86%) SQL Server
2 96 (17.30%) Amazon RDS
3 51 (9.19%) MySQL
4 40 (7.21%) SQL Server Integration Services
5 28 (5.05%) Power BI
6 17 (3.06%) PostgreSQL
7 14 (2.52%) SQL Server Reporting Services
8 13 (2.34%) Metadata
8 13 (2.34%) NoSQL
9 12 (2.16%) Data Warehouse
9 12 (2.16%) Relational Database
10 9 (1.62%) Pinecone
11 7 (1.26%) Geospatial Data
12 6 (1.08%) Azure SQL Database
12 6 (1.08%) Data Lake
12 6 (1.08%) MongoDB
12 6 (1.08%) Oracle Database
13 5 (0.90%) Metadata Repository
14 4 (0.72%) Amazon Redshift
14 4 (0.72%) BigQuery
Development Applications
1 24 (4.32%) Octopus Deploy
2 22 (3.96%) TeamCity
3 20 (3.60%) Git
4 16 (2.88%) Jenkins
5 11 (1.98%) ERwin
5 11 (1.98%) GitLab
6 9 (1.62%) JIRA
6 9 (1.62%) MLflow
7 8 (1.44%) Cucumber
7 8 (1.44%) JUnit
7 8 (1.44%) 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%) LoadRunner
10 1 (0.18%) Visual Studio
General
1 270 (48.65%) Social Skills
2 161 (29.01%) Analytical Skills
3 123 (22.16%) Finance
4 25 (4.50%) Banking
5 20 (3.60%) Public Sector
6 16 (2.88%) Legal
6 16 (2.88%) Retail
7 15 (2.70%) Law
8 14 (2.52%) Inclusion and Diversity
9 11 (1.98%) Manufacturing
10 10 (1.80%) Influencing Skills
11 9 (1.62%) Investment Banking
12 4 (0.72%) Documentation Skills
12 4 (0.72%) Organisational Skills
13 3 (0.54%) Aerospace
13 3 (0.54%) Back Office
14 2 (0.36%) Billing
14 2 (0.36%) Health Technology
14 2 (0.36%) Music Industry
14 2 (0.36%) Pharmaceutical
Job Titles
1 96 (17.30%) Systems Engineer
2 92 (16.58%) Senior
3 89 (16.04%) Developer
4 71 (12.79%) Consultant
5 70 (12.61%) Architect
6 40 (7.21%) Lead
7 31 (5.59%) Analyst
8 29 (5.23%) Senior Developer
9 26 (4.68%) DevOps Engineer
9 26 (4.68%) Gen AI Consultant
9 26 (4.68%) Senior Consultant
10 24 (4.32%) Enterprise Architect
11 22 (3.96%) Data Architect
11 22 (3.96%) Data Engineer
12 19 (3.42%) Software Engineer
13 17 (3.06%) Software Developer
14 14 (2.52%) .NET Developer
14 14 (2.52%) Lead Architect
15 13 (2.34%) Business Analyst
15 13 (2.34%) Principal Developer
Libraries, Frameworks & Software Standards
1 64 (11.53%) .NET
2 35 (6.31%) REST
3 33 (5.95%) RESTful
4 32 (5.77%) React
5 27 (4.86%) LangChain
6 21 (3.78%) Pandas
7 19 (3.42%) Spring
7 19 (3.42%) Spring Boot
8 18 (3.24%) Django
9 17 (3.06%) Flask
9 17 (3.06%) pytest
9 17 (3.06%) Web Services
10 16 (2.88%) Kafka
11 14 (2.52%) AngularJS
12 12 (2.16%) CSS
12 12 (2.16%) OpenAPI
13 11 (1.98%) NumPy
13 11 (1.98%) OAuth
13 11 (1.98%) scikit-learn
13 11 (1.98%) Swagger
Miscellaneous
1 56 (10.09%) Cloud Native
2 31 (5.59%) Data Structures
3 27 (4.86%) Hybrid Cloud
4 23 (4.14%) Virtual Team
5 15 (2.70%) Data Centre
6 14 (2.52%) Driving Licence
6 14 (2.52%) Management Information System
7 11 (1.98%) Distributed Architecture
7 11 (1.98%) Enterprise Software
7 11 (1.98%) Low-Code
8 10 (1.80%) Legacy Applications
9 9 (1.62%) Analytical Mindset
10 8 (1.44%) Operational Technology
10 8 (1.44%) SCADA
11 5 (0.90%) Clustering
11 5 (0.90%) Reference Data
12 4 (0.72%) Cyber Threat
12 4 (0.72%) Data Protection Act
12 4 (0.72%) NHS
12 4 (0.72%) Product Ownership
Operating Systems
1 115 (20.72%) Windows
2 107 (19.28%) Linux
3 106 (19.10%) Windows Server
4 103 (18.56%) 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
1 236 (42.52%) Migration
2 181 (32.61%) Problem-Solving
3 102 (18.38%) Customer Service
4 99 (17.84%) CI/CD
4 99 (17.84%) Customer Experience
5 96 (17.30%) Agile
5 96 (17.30%) Email Filtering
5 96 (17.30%) Kalman Filter
5 96 (17.30%) Vulnerability Remediation
5 96 (17.30%) Vulnerability Scanning
5 96 (17.30%) Web Filtering
6 95 (17.12%) DevOps
7 90 (16.22%) AI
8 77 (13.87%) Continuous Improvement
8 77 (13.87%) Stakeholder Management
9 63 (11.35%) Roadmaps
10 54 (9.73%) OO
11 51 (9.19%) Data Modelling
12 47 (8.47%) Machine Learning
12 47 (8.47%) Microservices
Programming Languages
1 92 (16.58%) SQL
2 55 (9.91%) Python
3 53 (9.55%) Delphi
4 44 (7.93%) C#
4 44 (7.93%) Pascal
5 35 (6.31%) PowerShell
6 32 (5.77%) JavaScript
7 31 (5.59%) Java
8 19 (3.42%) TypeScript
9 17 (3.06%) PHP
10 6 (1.08%) T-SQL
11 5 (0.90%) Bicep
12 4 (0.72%) PL/SQL
12 4 (0.72%) VB.NET
13 3 (0.54%) Bash
13 3 (0.54%) Scala
13 3 (0.54%) VB
14 2 (0.36%) RPG
14 2 (0.36%) Shell Script
15 1 (0.18%) C++
Qualifications
1 110 (19.82%) Security Cleared
2 109 (19.64%) SC Cleared
3 56 (10.09%) Degree
4 35 (6.31%) Computer Science Degree
5 7 (1.26%) Azure Certification
6 5 (0.90%) ACCA
6 5 (0.90%) CIMA
7 3 (0.54%) DV Cleared
7 3 (0.54%) HND
7 3 (0.54%) Microsoft Certification
7 3 (0.54%) 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 (17.66%) Cyber Essentials
2 97 (17.48%) PCI DSS
3 56 (10.09%) QA
4 31 (5.59%) Data Quality
5 14 (2.52%) GDPR
6 8 (1.44%) ISO/IEC 27001
7 7 (1.26%) Accessibility
8 5 (0.90%) 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 (19.10%) Active Directory
2 103 (18.56%) Hyper-V
3 96 (17.30%) Terminal Server
4 50 (9.01%) Docker
5 12 (2.16%) 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 50 (9.01%) Kubernetes
2 41 (7.39%) Terraform
3 12 (2.16%) Grafana
4 6 (1.08%) 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 (33.33%) Microsoft
2 113 (20.36%) VMware
3 100 (18.02%) Splunk
4 99 (17.84%) SolarWinds
4 99 (17.84%) Veeam
5 96 (17.30%) Brocade
5 96 (17.30%) Nimble Storage
5 96 (17.30%) Tanium
6 78 (14.05%) Oracle
7 30 (5.41%) Google
8 12 (2.16%) OpenAI
8 12 (2.16%) SAP
9 10 (1.80%) Salesforce
10 9 (1.62%) Automation Anywhere
10 9 (1.62%) UiPath
11 8 (1.44%) Databricks
11 8 (1.44%) HubSpot
12 6 (1.08%) Cisco
13 5 (0.90%) Citrix
13 5 (0.90%) Siemens