IIS Job Trends in the Thames Valley

Microsoft Internet Information Services (IIS)
South East > Thames Valley

The table below provides summary statistics and salary benchmarking for jobs advertised in the Thames Valley requiring IIS skills. It covers permanent job vacancies from the 6 months leading up to 19 November 2025, with comparisons to the same periods in the previous two years.

6 months to
19 Nov 2025
Same period 2024 Same period 2023
Rank 152 190 139
Rank change year-on-year +38 -51 +79
Permanent jobs citing IIS 28 8 45
As % of all permanent jobs in the Thames Valley 0.78% 0.18% 1.33%
As % of the Application Platforms category 12.33% 2.55% 8.74%
Number of salaries quoted 28 6 42
10th Percentile £30,500 - -
25th Percentile £32,500 £46,250 £32,500
Median annual salary (50th Percentile) £37,500 £51,250 £34,000
Median % change year-on-year -26.83% +50.74% -32.00%
75th Percentile £61,250 £69,688 £50,000
90th Percentile £82,500 £73,750 £71,875
South East median annual salary £47,500 £53,500 £38,750
% change year-on-year -11.21% +38.06% -26.19%

All Application Platform Skills
Thames Valley

IIS falls under the Application Platforms category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring application platform skills in the Thames Valley.

Permanent vacancies with a requirement for application platform skills 227 314 515
As % of all permanent jobs advertised in the Thames Valley 6.31% 7.26% 15.27%
Number of salaries quoted 165 171 315
10th Percentile £28,500 £30,500 £32,500
25th Percentile £32,750 £36,250 £36,500
Median annual salary (50th Percentile) £45,000 £50,000 £50,000
Median % change year-on-year -10.00% - -
75th Percentile £65,000 £67,625 £65,875
90th Percentile £72,500 £82,500 £81,250
South East median annual salary £45,000 £50,000 £45,000
% change year-on-year -10.00% +11.11% -10.00%

IIS
Job Vacancy Trend in the Thames Valley

Historical trend showing the proportion of permanent IT job postings citing IIS relative to all permanent IT jobs advertised in the Thames Valley.

IIS job vacancy trend in the Thames Valley

IIS
Salary Trend in the Thames Valley

Salary distribution trend for jobs in the Thames Valley citing IIS.

Salary distribution trend for jobs in the Thames Valley citing IIS

IIS
Salary Histogram in the Thames Valley

Salary distribution for jobs citing IIS in the Thames Valley over the 6 months to 19 November 2025.

Salary histogram for IIS in the Thames Valley

IIS
Job Locations in the Thames Valley

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing IIS within the Thames Valley region over the 6 months to 19 November 2025. 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
Buckinghamshire - 18 £35,000 - 5
Oxfordshire +32 5 £60,000 +26.32% 3
Berkshire +2 5 £55,000 -18.52% 3
IIS
South East

IIS
Co-Occurring Skills & Capabilities in the Thames Valley 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 2 (7.14%) Microsoft Exchange
Cloud Services
1 14 (50.00%) Azure
2 12 (42.86%) Azure DevOps
3 7 (25.00%) AWS
4 5 (17.86%) Cloudflare
4 5 (17.86%) GCP
5 2 (7.14%) Microsoft 365
Communications & Networking
1 7 (25.00%) DHCP
1 7 (25.00%) DNS
1 7 (25.00%) Firewall
1 7 (25.00%) VPN
2 5 (17.86%) TCP/IP
3 2 (7.14%) VLAN
3 2 (7.14%) Wi-Fi
Database & Business Intelligence
1 14 (50.00%) SQL Server
2 12 (42.86%) SQL Server Reporting Services
3 5 (17.86%) Elasticsearch
3 5 (17.86%) MySQL
Development Applications
1 5 (17.86%) Git
1 5 (17.86%) Jasmine
1 5 (17.86%) JIRA
1 5 (17.86%) NUnit
1 5 (17.86%) TeamCity
General
1 11 (39.29%) Social Skills
2 4 (14.29%) Games
Job Titles
1 16 (57.14%) Support Engineer
2 14 (50.00%) IT Engineer
2 14 (50.00%) IT Support
2 14 (50.00%) IT Support Engineer
3 12 (42.86%) Software Engineer
3 12 (42.86%) Software Support Engineer
4 7 (25.00%) Senior
5 5 (17.86%) .NET Developer
5 5 (17.86%) Developer
5 5 (17.86%) Full-Stack .NET Developer
5 5 (17.86%) Full-Stack Developer
5 5 (17.86%) Senior .NET Developer
5 5 (17.86%) Senior Developer
5 5 (17.86%) Senior Full-Stack Developer
6 4 (14.29%) Infrastructure Manager
7 3 (10.71%) Lead
7 3 (10.71%) Technical Support
8 2 (7.14%) Senior IT Engineer
8 2 (7.14%) Senior IT Support
8 2 (7.14%) Senior Support Engineer
Libraries, Frameworks & Software Standards
1 17 (60.71%) .NET
2 12 (42.86%) .NET Framework
2 12 (42.86%) ASP.NET
2 12 (42.86%) Entity Framework
2 12 (42.86%) WinForms
3 5 (17.86%) AngularJS
3 5 (17.86%) ASP.NET Core
3 5 (17.86%) CSS
3 5 (17.86%) CSS3
3 5 (17.86%) HTML
3 5 (17.86%) HTML5
3 5 (17.86%) Jest
3 5 (17.86%) React
3 5 (17.86%) RESTful
3 5 (17.86%) Vue
Miscellaneous
1 4 (14.29%) Linux Command Line
1 4 (14.29%) Online Games
2 2 (7.14%) Clustering
2 2 (7.14%) Data Centre
2 2 (7.14%) Replication
Operating Systems
1 23 (82.14%) Windows
2 7 (25.00%) Windows Server
3 6 (21.43%) Linux
4 2 (7.14%) Windows Server 2012
4 2 (7.14%) Windows Server 2016
4 2 (7.14%) Windows Server 2019
Processes & Methodologies
1 14 (50.00%) Computer Science
2 12 (42.86%) DevOps
2 12 (42.86%) Problem-Solving
2 12 (42.86%) Software Engineering
3 9 (32.14%) Agile
4 5 (17.86%) CAD
4 5 (17.86%) CI/CD
4 5 (17.86%) Data Management
4 5 (17.86%) Full-Stack Development
4 5 (17.86%) Mobile First
4 5 (17.86%) MVC
4 5 (17.86%) SDLC
5 4 (14.29%) API Design
5 4 (14.29%) Data Analysis
5 4 (14.29%) ITIL
5 4 (14.29%) Scrum
5 4 (14.29%) Service Delivery
5 4 (14.29%) Service Management
5 4 (14.29%) Translating Business Requirements
6 3 (10.71%) High Availability
Programming Languages
1 17 (60.71%) C#
2 16 (57.14%) SQL
3 12 (42.86%) T-SQL
4 5 (17.86%) JavaScript
4 5 (17.86%) TypeScript
5 2 (7.14%) PowerShell
Qualifications
1 16 (57.14%) Degree
2 14 (50.00%) Computer Science Degree
3 4 (14.29%) A+ Certification
4 2 (7.14%) DBS Check
4 2 (7.14%) MCP
4 2 (7.14%) MCSA
4 2 (7.14%) Microsoft Certification
Quality Assurance & Compliance
1 3 (10.71%) SLA
System Software
1 4 (14.29%) Active Directory
1 4 (14.29%) Hyper-V
2 2 (7.14%) Docker
Systems Management
1 5 (17.86%) Terraform
2 2 (7.14%) Failover Clustering
Vendors
1 17 (60.71%) Microsoft
2 12 (42.86%) Sage
2 12 (42.86%) Xamarin
3 5 (17.86%) Cisco
3 5 (17.86%) Google
3 5 (17.86%) Rollbar
3 5 (17.86%) Zoho
4 2 (7.14%) VMware