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 vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 187 187 150
Rank change year-on-year 0 -37 +97
Permanent jobs citing IIS 19 10 46
As % of all permanent jobs advertised in the Thames Valley 0.49% 0.21% 1.24%
As % of the Application Platforms category 7.51% 2.58% 8.50%
Number of salaries quoted 18 8 41
10th Percentile £38,025 - -
25th Percentile £46,875 £46,250 £32,500
Median annual salary (50th Percentile) £60,000 £61,500 £50,000
Median % change year-on-year -2.44% +23.00% +11.11%
75th Percentile £78,750 £67,000 £76,250
90th Percentile £82,500 £73,750 £80,000
South East median annual salary £57,500 £55,000 £50,000
% change year-on-year +4.55% +10.00% +11.11%

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 253 387 541
As % of all permanent jobs advertised in the Thames Valley 6.55% 7.96% 14.61%
Number of salaries quoted 161 226 384
10th Percentile £28,250 £31,250 £30,500
25th Percentile £36,250 £36,250 £37,313
Median annual salary (50th Percentile) £48,000 £50,000 £52,500
Median % change year-on-year -4.00% -4.76% +5.00%
75th Percentile £67,500 £60,000 £72,500
90th Percentile £80,000 £78,750 £80,000
South East median annual salary £45,000 £47,500 £48,500
% change year-on-year -5.26% -2.06% -3.00%

IIS
Job Vacancy Trend in the Thames Valley

Job postings citing IIS as a proportion of all IT jobs advertised in the Thames Valley.

Job vacancy trend for IIS 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 18 September 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 18 September 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
Oxfordshire +29 10 £65,000 +36.84% 1
Buckinghamshire - 6 £45,000 - 7
Berkshire -5 3 £55,000 -18.52% 5
IIS
South East

IIS
Co-occurring Skills and Capabilities in the Thames Valley by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (5.26%) Apache
Cloud Services
1 11 (57.89%) AWS
2 10 (52.63%) Cloudflare
3 1 (5.26%) Azure
Communications & Networking
1 5 (26.32%) DNS
1 5 (26.32%) Firewall
1 5 (26.32%) TCP/IP
2 4 (21.05%) DHCP
2 4 (21.05%) VPN
Database & Business Intelligence
1 12 (63.16%) SQL Server
2 10 (52.63%) Elasticsearch
2 10 (52.63%) MySQL
3 1 (5.26%) Relational Database
Development Applications
1 10 (52.63%) Git
1 10 (52.63%) Jasmine
1 10 (52.63%) NUnit
1 10 (52.63%) TeamCity
2 6 (31.58%) JIRA
General
1 5 (26.32%) Games
1 5 (26.32%) Social Skills
2 2 (10.53%) Finance
3 1 (5.26%) Back Office
3 1 (5.26%) Local Government
3 1 (5.26%) Public Sector
Job Titles
1 10 (52.63%) Developer
1 10 (52.63%) Full-Stack Developer
1 10 (52.63%) Senior
1 10 (52.63%) Senior Developer
1 10 (52.63%) Senior Full-Stack Developer
2 5 (26.32%) .NET Developer
2 5 (26.32%) Full-Stack .NET Developer
2 5 (26.32%) Senior .NET Developer
3 4 (21.05%) C# Developer
3 4 (21.05%) Full-Stack C# Developer
3 4 (21.05%) Senior C# Developer
4 3 (15.79%) Infrastructure Manager
4 3 (15.79%) Technical Support
5 2 (10.53%) Lead
5 2 (10.53%) Support Engineer
6 1 (5.26%) Analyst
6 1 (5.26%) Applications Support
6 1 (5.26%) Applications Support Engineer
6 1 (5.26%) Technical Engineer
6 1 (5.26%) Technical Support Engineer
Libraries, Frameworks & Software Standards
1 10 (52.63%) .NET
1 10 (52.63%) AngularJS
1 10 (52.63%) ASP.NET
1 10 (52.63%) ASP.NET Core
1 10 (52.63%) CSS
1 10 (52.63%) CSS3
1 10 (52.63%) HTML
1 10 (52.63%) HTML5
1 10 (52.63%) Jest
1 10 (52.63%) React
1 10 (52.63%) RESTful
1 10 (52.63%) Vue
Miscellaneous
1 4 (21.05%) Linux Command Line
1 4 (21.05%) Mobile App
1 4 (21.05%) Online Games
2 2 (10.53%) 3D Graphics
2 2 (10.53%) Data Centre
3 1 (5.26%) Client/Server
3 1 (5.26%) Clustering
3 1 (5.26%) Management Information System
3 1 (5.26%) Onboarding
3 1 (5.26%) Replication
Operating Systems
1 9 (47.37%) Windows
2 5 (26.32%) Linux
2 5 (26.32%) Windows Server
Processes & Methodologies
1 10 (52.63%) CI/CD
1 10 (52.63%) Full-Stack Development
1 10 (52.63%) Mobile First
1 10 (52.63%) MVC
2 8 (42.11%) Translating Business Requirements
3 6 (31.58%) Agile
4 5 (26.32%) ITIL
4 5 (26.32%) Service Management
5 4 (21.05%) API Design
5 4 (21.05%) Data Analysis
5 4 (21.05%) Mobile Application Development
5 4 (21.05%) Scrum
6 3 (15.79%) High Availability
7 2 (10.53%) API Development
7 2 (10.53%) Business Continuity
7 2 (10.53%) Computer Science
7 2 (10.53%) Mentoring
7 2 (10.53%) Service Delivery
7 2 (10.53%) Strategic Planning
8 1 (5.26%) Customer Service
Programming Languages
1 10 (52.63%) C#
1 10 (52.63%) JavaScript
1 10 (52.63%) TypeScript
2 5 (26.32%) SQL
3 1 (5.26%) PowerShell
Qualifications
1 4 (21.05%) A+ Certification
2 2 (10.53%) Computer Science Degree
2 2 (10.53%) Degree
Quality Assurance & Compliance
1 3 (15.79%) SLA
System Software
1 1 (5.26%) Active Directory
1 1 (5.26%) Docker
1 1 (5.26%) Hyper-V
1 1 (5.26%) VMware Infrastructure
Systems Management
1 10 (52.63%) Terraform
2 1 (5.26%) Failover Clustering
2 1 (5.26%) ZABBIX
Vendors
1 15 (78.95%) Microsoft
2 10 (52.63%) Rollbar
3 4 (21.05%) Cisco
4 1 (5.26%) Oracle
4 1 (5.26%) VMware