Period
to 15 June 2021

The following table provides summary statistics for permanent job vacancies with a requirement for IIS skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited IIS over the 6 months to 15 June 2021 with a comparison to the same period in the previous 2 years.

Microsoft Internet Information Services (IIS)
UK
6 months to
15 Jun 2021
Same period 2020 Same period 2019
Rank 360 274 267
Rank change year-on-year -86 -7 -1
Permanent jobs citing IIS 865 946 1,811
As % of all permanent jobs advertised in the UK 0.86% 1.13% 1.26%
As % of the Application Platforms category 6.35% 7.89% 8.33%
Number of salaries quoted 713 754 1,479
10th Percentile £32,500 £30,375 £29,000
25th Percentile £36,250 £38,438 £36,125
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% +5.56%
75th Percentile £60,000 £62,500 £65,000
90th Percentile £80,000 £78,750 £75,000
UK excluding London median annual salary £42,500 £45,000 £42,500
% change year-on-year -5.56% +5.88% +6.25%

IIS is in the Application Platforms category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for application platform skills.

All Application Platform Skills
UK
Permanent vacancies with a requirement for application platform skills 13,631 11,991 21,748
As % of all permanent IT jobs advertised in the UK 13.50% 14.31% 15.14%
Number of salaries quoted 9,483 9,539 17,204
10th Percentile £31,250 £30,500 £28,000
25th Percentile £40,000 £38,750 £36,250
Median annual salary (50th Percentile) £53,000 £52,500 £50,000
Median % change year-on-year +0.95% +5.00% -
75th Percentile £73,750 £72,500 £68,750
90th Percentile £87,500 £87,500 £85,000
UK excluding London median annual salary £45,500 £45,000 £43,500
% change year-on-year +1.11% +3.45% +2.35%

IIS
Job Vacancy Trend

Job postings citing IIS as a proportion of all IT jobs advertised.

Job vacancy trend for IIS in the UK

IIS
Salary Trend

3-month moving average salary quoted in jobs citing IIS.

Salary trend for IIS in the UK

IIS
Salary Histogram

Salary distribution for jobs citing IIS over the 6 months to 15 June 2021.

Salary histogram for IIS in the UK

IIS
Top 16 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing IIS within the UK over the 6 months to 15 June 2021. 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
Job
Vacancies
England -75 759 £50,000 - 155
UK excluding London -59 561 £42,500 -5.56% 123
London -56 247 £55,000 -8.33% 41
South East -35 179 £50,000 +12.99% 29
Work from Home -114 176 £50,000 +5.26% 43
North of England -85 120 £45,000 -5.26% 42
Midlands -6 91 £37,500 -21.05% 27
North West -49 79 £46,000 -8.00% 17
West Midlands -18 64 £37,500 -24.52% 19
South West -52 62 £39,000 +1.30% 11
Scotland 0 43 £37,500 -18.92% 5
East of England -27 41 £77,500 +72.22% 6
Yorkshire -79 34 £39,000 -8.24% 20
East Midlands -11 27 £46,250 +23.33% 8
Wales +21 25 £37,500 +1.41% 3
North East -10 7 £27,000 -34.94% 5

For the 6 months to 15 June 2021, IT jobs citing IIS also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for IIS.

1 551 (63.70%) Windows
2 511 (59.08%) SQL Server
3 458 (52.95%) Azure
4 421 (48.67%) Microsoft
5 352 (40.69%) .NET
6 350 (40.46%) SQL
7 341 (39.42%) Windows Server
8 336 (38.84%) C#
9 254 (29.36%) Active Directory
10 247 (28.55%) DevOps
11 224 (25.90%) PowerShell
12 220 (25.43%) AWS
12 220 (25.43%) JavaScript
13 215 (24.86%) HTML
13 215 (24.86%) ASP.NET
14 211 (24.39%) Agile Software Development
15 205 (23.70%) VMware
16 200 (23.12%) Linux
17 193 (22.31%) CSS
18 189 (21.85%) Social Skills
19 173 (20.00%) MVC
20 153 (17.69%) Microsoft 365
21 135 (15.61%) Degree
22 129 (14.91%) Firewall
23 128 (14.80%) Git (software)
24 126 (14.57%) Web Services
25 118 (13.64%) jQuery
26 116 (13.41%) AngularJS
27 115 (13.29%) VMware Infrastructure
28 114 (13.18%) DNS

IIS
Co-occurring IT Skills by Category

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

Application Platforms
1 96 (11.10%) Apache
2 76 (8.79%) SharePoint
3 63 (7.28%) nginx
4 53 (6.13%) CMS
5 43 (4.97%) Tomcat
6 36 (4.16%) Umbraco
7 34 (3.93%) Sitecore CMS
8 32 (3.70%) EPiServer
9 31 (3.58%) MS Exchange
10 28 (3.24%) Kentico
11 17 (1.97%) WordPress
12 16 (1.85%) BizTalk Server
13 15 (1.73%) Elasticsearch
14 13 (1.50%) ejabberd
15 11 (1.27%) Headless CMS
15 11 (1.27%) SAS
16 8 (0.92%) JBoss
16 8 (0.92%) WebLogic
17 7 (0.81%) Cloud Foundry
17 7 (0.81%) Exchange Server 2013
Applications
1 47 (5.43%) Microsoft Office
2 2 (0.23%) Adobe Illustrator
2 2 (0.23%) Microsoft Excel
3 1 (0.12%) InfoPath
3 1 (0.12%) Photoshop
Business Applications
1 12 (1.39%) Dynamics NAV
2 11 (1.27%) Dynamics CRM
2 11 (1.27%) nopCommerce
3 3 (0.35%) Oracle Applications
3 3 (0.35%) Sage 200
4 2 (0.23%) assyst
4 2 (0.23%) Bond Adapt
4 2 (0.23%) FastStats
4 2 (0.23%) Relativity
4 2 (0.23%) Unica
5 1 (0.12%) IBM Operational Decision Manager
5 1 (0.12%) NetSuite
5 1 (0.12%) Salesforce.com CRM
Cloud Services
1 458 (52.95%) Azure
2 220 (25.43%) AWS
3 153 (17.69%) Microsoft 365
4 76 (8.79%) SaaS
5 66 (7.63%) IaaS
6 52 (6.01%) PaaS
7 45 (5.20%) Azure Active Directory
8 34 (3.93%) GCP
9 28 (3.24%) Cloud Computing
9 28 (3.24%) npm
9 28 (3.24%) Power Platform
10 22 (2.54%) Serverless
11 18 (2.08%) Mimecast
12 17 (1.97%) Amazon ECS
12 17 (1.97%) Amazon EKS
12 17 (1.97%) GitHub
12 17 (1.97%) OpenShift
13 16 (1.85%) Amazon EC2
13 16 (1.85%) AWS CloudFormation
14 15 (1.73%) OneDrive
Communications & Networking
1 129 (14.91%) Firewall
2 114 (13.18%) DNS
3 85 (9.83%) TCP/IP
4 69 (7.98%) DHCP
5 60 (6.94%) LAN
6 48 (5.55%) Internet
7 47 (5.43%) VPN
8 45 (5.20%) HTTP
8 45 (5.20%) SAN
9 44 (5.09%) VLAN
10 43 (4.97%) WAN
11 34 (3.93%) Network Security
12 24 (2.77%) VoIP
13 21 (2.43%) Cisco ASA
13 21 (2.43%) SNMP
14 20 (2.31%) BGP
14 20 (2.31%) FTP
15 18 (2.08%) Diameter Protocol
16 16 (1.85%) SSL
17 15 (1.73%) PBX
Database & Business Intelligence
1 511 (59.08%) SQL Server
2 54 (6.24%) MySQL
3 53 (6.13%) SQL Server 2012
4 47 (5.43%) SQL Server 2008
5 45 (5.20%) SQL Server Reporting Services
6 35 (4.05%) NoSQL
7 30 (3.47%) MongoDB
7 30 (3.47%) PostgreSQL
8 26 (3.01%) Big Data
8 26 (3.01%) SQL Server 2016
9 25 (2.89%) Power BI
10 24 (2.77%) SQL Server 2014
11 23 (2.66%) SQL Server Integration Services
12 21 (2.43%) SQL Server 2017
13 20 (2.31%) Amazon RDS
14 18 (2.08%) Oracle Database
15 17 (1.97%) Relational Database
16 15 (1.73%) SQL Server Analysis Services
17 14 (1.62%) SQL Server 2005
18 13 (1.50%) MariaDB
Development Applications
1 128 (14.80%) Git (software)
2 98 (11.33%) Visual Studio
3 71 (8.21%) TeamCity
4 53 (6.13%) Jenkins
5 48 (5.55%) Octopus Deploy
6 38 (4.39%) JIRA
7 25 (2.89%) Bitbucket
8 20 (2.31%) gulp
9 15 (1.73%) Team Foundation Server
10 14 (1.62%) Oracle Forms
11 13 (1.50%) GoCD
12 11 (1.27%) Visual Studio Code
12 11 (1.27%) webpack
13 10 (1.16%) Travis CI
14 9 (1.04%) GitLab
14 9 (1.04%) Maven
15 8 (0.92%) NUnit
15 8 (0.92%) ReSharper
16 7 (0.81%) jspm
16 7 (0.81%) MSTest
General
1 189 (21.85%) Social Skills
2 101 (11.68%) Finance
3 64 (7.40%) Analytical Skills
4 27 (3.12%) Documentation Skills
5 22 (2.54%) Organisational Skills
6 18 (2.08%) Games
6 18 (2.08%) Marketing
7 17 (1.97%) Retail
8 16 (1.85%) Aerospace
9 15 (1.73%) Telecoms
10 14 (1.62%) French Language
11 11 (1.27%) Automotive
11 11 (1.27%) Law
11 11 (1.27%) Legal
11 11 (1.27%) Police
11 11 (1.27%) Public Sector
12 10 (1.16%) Back Office
12 10 (1.16%) Banking
13 9 (1.04%) Advertising
14 8 (0.92%) Manufacturing
Job Titles
1 291 (33.64%) Developer
2 155 (17.92%) .NET Developer
3 88 (10.17%) Infrastructure Engineer
4 87 (10.06%) C# Developer
5 78 (9.02%) C# .NET Developer
6 70 (8.09%) DevOps Engineer
6 70 (8.09%) Support Engineer
7 68 (7.86%) Software Developer
8 63 (7.28%) Senior Developer
9 56 (6.47%) IT Engineer
10 52 (6.01%) Administrator
11 50 (5.78%) SQL Developer
12 49 (5.66%) Full Stack Developer
13 46 (5.32%) Applications Support
14 43 (4.97%) Azure Engineer
15 41 (4.74%) VMware Engineer
16 38 (4.39%) Analyst
17 30 (3.47%) 3rd Line Engineer
17 30 (3.47%) Project Engineer
18 29 (3.35%) Architect
Libraries, Frameworks & Software Standards
1 352 (40.69%) .NET
2 215 (24.86%) ASP.NET
2 215 (24.86%) HTML
3 193 (22.31%) CSS
4 126 (14.57%) Web Services
5 118 (13.64%) jQuery
6 116 (13.41%) AngularJS
7 100 (11.56%) .NET Core
8 94 (10.87%) .NET Framework
9 87 (10.06%) HTML5
10 84 (9.71%) XML
11 83 (9.60%) REST
12 72 (8.32%) React
13 69 (7.98%) ASP.NET Web API
14 67 (7.75%) ASP.NET MVC
15 54 (6.24%) ASP.NET Web Forms
16 53 (6.13%) Entity Framework
17 52 (6.01%) Twitter Bootstrap
18 47 (5.43%) SOAP
19 46 (5.32%) JSON
Miscellaneous
1 76 (8.79%) Data Centre
2 73 (8.44%) Clustering
3 57 (6.59%) User Experience
4 44 (5.09%) Enterprise Software
5 37 (4.28%) Management Information System
6 34 (3.93%) Hybrid Cloud
7 28 (3.24%) Linux Command Line
7 28 (3.24%) Public Cloud
8 22 (2.54%) PKI
8 22 (2.54%) Self-Motivation
9 18 (2.08%) Mobile App
10 17 (1.97%) NHS
10 17 (1.97%) Private Cloud
11 15 (1.73%) Cloud Native
11 15 (1.73%) Virtual Team
12 12 (1.39%) Greenfield Project
13 9 (1.04%) Distributed Denial-of-Service
14 7 (0.81%) Client/Server
14 7 (0.81%) Driving Licence
14 7 (0.81%) Equities
Operating Systems
1 551 (63.70%) Windows
2 341 (39.42%) Windows Server
3 200 (23.12%) Linux
4 51 (5.90%) Windows Server 2012
5 44 (5.09%) Windows Server 2016
6 43 (4.97%) CentOS
7 36 (4.16%) Windows Server 2008
8 30 (3.47%) Windows 10
9 29 (3.35%) Unix
10 22 (2.54%) Ubuntu
11 20 (2.31%) Debian
12 19 (2.20%) Windows 7
13 18 (2.08%) Windows Server 2019
14 15 (1.73%) Apple iOS
15 13 (1.50%) Android
16 12 (1.39%) Red Hat Enterprise Linux
17 11 (1.27%) AIX
17 11 (1.27%) Windows Server 2003
18 8 (0.92%) VMS
19 5 (0.58%) Solaris
Processes & Methodologies
1 247 (28.55%) DevOps
2 211 (24.39%) Agile Software Development
3 173 (20.00%) MVC
4 100 (11.56%) Infrastructure Engineering
5 89 (10.29%) Problem-Solving
6 88 (10.17%) Web Development
7 84 (9.71%) E-Commerce
8 75 (8.67%) Computer Science
9 71 (8.21%) Continuous Integration
10 68 (7.86%) Project Delivery
11 58 (6.71%) Unit Testing
12 54 (6.24%) ITIL
13 53 (6.13%) Migration
14 51 (5.90%) Scrum
15 49 (5.66%) Mentoring
15 49 (5.66%) TDD
16 47 (5.43%) Disaster Recovery
16 47 (5.43%) OO
17 45 (5.20%) CRM
17 45 (5.20%) OOP
Programming Languages
1 350 (40.46%) SQL
2 336 (38.84%) C#
3 224 (25.90%) PowerShell
4 220 (25.43%) JavaScript
5 113 (13.06%) T-SQL
6 66 (7.63%) Bash Shell
7 59 (6.82%) TypeScript
8 57 (6.59%) Python
9 50 (5.78%) PHP
10 49 (5.66%) Java
11 29 (3.35%) Perl
12 24 (2.77%) C
12 24 (2.77%) VB.NET
13 16 (1.85%) VB
14 15 (1.73%) Ruby
15 13 (1.50%) ES6
15 13 (1.50%) VBScript
16 12 (1.39%) C++
17 9 (1.04%) PL/SQL
17 9 (1.04%) VBA
Qualifications
1 135 (15.61%) Degree
2 45 (5.20%) Computer Science Degree
3 39 (4.51%) Security Cleared
4 36 (4.16%) Microsoft Certification
5 32 (3.70%) SC Cleared
6 30 (3.47%) CISSP
7 28 (3.24%) IISP
8 24 (2.77%) CISM
9 18 (2.08%) CISA
9 18 (2.08%) MCSE
10 16 (1.85%) CEH
11 13 (1.50%) CCSA
11 13 (1.50%) MCSA
11 13 (1.50%) OSCP
12 11 (1.27%) HNC
13 8 (0.92%) Cisco Certification
14 7 (0.81%) CCNA
15 6 (0.69%) DBS Check
15 6 (0.69%) DV Cleared
16 5 (0.58%) AWS Certification
Quality Assurance & Compliance
1 49 (5.66%) SLA
2 33 (3.82%) ISO/IEC 27001
3 29 (3.35%) QA
4 20 (2.31%) Accessibility
5 11 (1.27%) WAI
6 10 (1.16%) PCI DSS
7 8 (0.92%) GRC
8 6 (0.69%) PMO
9 5 (0.58%) HMG Security Policy Framework
10 4 (0.46%) RMADS
11 2 (0.23%) ISO 9001
12 1 (0.12%) Data Quality
12 1 (0.12%) GDPR
12 1 (0.12%) NCSC
12 1 (0.12%) NIST
System Software
1 254 (29.36%) Active Directory
2 115 (13.29%) VMware Infrastructure
3 73 (8.44%) Hyper-V
4 61 (7.05%) Docker
5 55 (6.36%) VMware ESXi
6 30 (3.47%) vSphere
7 18 (2.08%) iptables
7 18 (2.08%) KVM
7 18 (2.08%) QEMU
8 16 (1.85%) Virtual Machines
9 13 (1.50%) Kamailio
9 13 (1.50%) Postfix
10 11 (1.27%) XenApp
11 9 (1.04%) Terminal Services
11 9 (1.04%) Virtual Servers
12 8 (0.92%) Veritas Volume Manager
12 8 (0.92%) VMware Workstation
13 6 (0.69%) Ceph
13 6 (0.69%) Virtual Desktop
14 5 (0.58%) NFS
Systems Management
1 82 (9.48%) Puppet
2 70 (8.09%) Ansible
3 55 (6.36%) SCCM
4 47 (5.43%) Microsoft Clustering
5 46 (5.32%) Kubernetes
6 42 (4.86%) Opscode Chef
7 38 (4.39%) Terraform
8 29 (3.35%) HAProxy
9 24 (2.77%) Galera Cluster
10 23 (2.66%) Active Directory Federation Services
11 22 (2.54%) Microsoft Intune
11 22 (2.54%) WSUS
11 22 (2.54%) ZABBIX
12 17 (1.97%) vCenter Server
13 13 (1.50%) QRadar
14 11 (1.27%) SCOM
15 10 (1.16%) Hadoop YARN
15 10 (1.16%) vRealize
16 9 (1.04%) McAfee ePO
16 9 (1.04%) Systems Management Server (SMS)
Vendors
1 421 (48.67%) Microsoft
2 205 (23.70%) VMware
3 61 (7.05%) Cisco
4 53 (6.13%) Oracle
5 40 (4.62%) Citrix
6 38 (4.39%) HP
7 34 (3.93%) Sitecore
8 31 (3.58%) SonicWALL
9 28 (3.24%) Veeam
10 24 (2.77%) Percona
11 23 (2.66%) Red Hat
12 19 (2.20%) Juniper
12 19 (2.20%) Mitel
13 18 (2.08%) GENBAND
14 14 (1.62%) McAfee
14 14 (1.62%) NetApp
14 14 (1.62%) Palo Alto
15 13 (1.50%) AlienVault
15 13 (1.50%) Aruba
15 13 (1.50%) Nortel