Period
to 7 May 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for ISA Server skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISA Server over the 6 months to 7 May 2021 with a comparison to the same period in the previous 2 years.

Microsoft Internet Security and Acceleration Server
England > London
6 months to
7 May 2021
Same period 2020 Same period 2019
Rank 582 647 -
Rank change year-on-year +65 - +836
Permanent jobs citing ISA Server 6 9 0
As % of all permanent jobs advertised in London 0.018% 0.022% -
As % of the System Software category 0.090% 0.12% -
Number of salaries quoted 0 9 0
Median annual salary (50th Percentile) - £70,000 -
England median annual salary - £37,250 £77,500
% change year-on-year - -51.94% +93.75%

ISA Server is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for system software skills.

All System Software Skills
London
Permanent vacancies with a requirement for system software skills 6,639 7,552 9,829
As % of all permanent IT jobs advertised in London 20.06% 18.06% 16.60%
Number of salaries quoted 5,127 6,362 8,266
10th Percentile £39,204 £32,000 £30,000
25th Percentile £52,500 £46,250 £42,500
Median annual salary (50th Percentile) £70,000 £65,000 £61,500
Median % change year-on-year +7.69% +5.69% +6.96%
75th Percentile £87,500 £83,750 £80,000
90th Percentile £100,000 £98,750 £95,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +5.26%

ISA Server
Job Vacancy Trend in London

Job postings citing ISA Server as a proportion of all IT jobs advertised in London.

Job vacancy trend for ISA Server in London

ISA Server
Salary Trend in London

3-month moving average salary quoted in jobs citing ISA Server in London.

Salary trend for ISA Server in London

For the 6 months to 7 May 2021, IT jobs citing ISA Server 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 across the London region with a requirement for ISA Server.

1 6 (100.00%) Finance
1 6 (100.00%) Fintech
2 5 (83.33%) React
2 5 (83.33%) Microservices
2 5 (83.33%) Serverless
2 5 (83.33%) Data Modelling
2 5 (83.33%) Node.js
3 4 (66.67%) TypeScript
3 4 (66.67%) B2C
3 4 (66.67%) Legal
3 4 (66.67%) Software Engineering
3 4 (66.67%) Ruby
3 4 (66.67%) Ruby on Rails
3 4 (66.67%) Next.js
4 2 (33.33%) Kubernetes
4 2 (33.33%) Agile Software Development
4 2 (33.33%) Docker
4 2 (33.33%) Coaching
4 2 (33.33%) Kafka
4 2 (33.33%) AWS
4 2 (33.33%) Investment Management
5 1 (16.67%) Test Automation
5 1 (16.67%) Domain-Driven Design
5 1 (16.67%) Open Source
5 1 (16.67%) NoSQL
5 1 (16.67%) Redis
5 1 (16.67%) Event-Driven Architecture
5 1 (16.67%) Express
5 1 (16.67%) Amazon DynamoDB
5 1 (16.67%) Mobile App

ISA Server
Co-occurring IT Skills in London 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:

Cloud Services
1 5 (83.33%) Serverless
2 2 (33.33%) AWS
Database & Business Intelligence
1 1 (16.67%) Amazon DynamoDB
1 1 (16.67%) MySQL
1 1 (16.67%) NoSQL
1 1 (16.67%) OLTP
1 1 (16.67%) Redis
Development Applications
1 1 (16.67%) webpack
General
1 6 (100.00%) Finance
2 4 (66.67%) Legal
3 1 (16.67%) Public Speaking
Job Titles
1 4 (66.67%) Senior Software Engineer
1 4 (66.67%) Software Engineer
2 1 (16.67%) Developer
2 1 (16.67%) Full Stack Developer
2 1 (16.67%) Principal Engineer
Libraries, Frameworks & Software Standards
1 5 (83.33%) Node.js
1 5 (83.33%) React
2 4 (66.67%) Next.js
2 4 (66.67%) Ruby on Rails
3 2 (33.33%) Kafka
4 1 (16.67%) Express
4 1 (16.67%) GraphQL
4 1 (16.67%) koa
4 1 (16.67%) Spring
4 1 (16.67%) Spring Boot
Miscellaneous
1 1 (16.67%) Cloud Native
1 1 (16.67%) Mobile App
Processes & Methodologies
1 6 (100.00%) Fintech
2 5 (83.33%) Data Modelling
2 5 (83.33%) Microservices
3 4 (66.67%) B2C
3 4 (66.67%) Software Engineering
4 2 (33.33%) Agile Software Development
4 2 (33.33%) Coaching
4 2 (33.33%) Investment Management
5 1 (16.67%) Computer Science
5 1 (16.67%) Continuous Delivery
5 1 (16.67%) Domain-Driven Design
5 1 (16.67%) Event-Driven Architecture
5 1 (16.67%) Mathematics
5 1 (16.67%) Mentoring
5 1 (16.67%) Micro Frontends
5 1 (16.67%) Observability
5 1 (16.67%) Open Source
5 1 (16.67%) Pair Programming
5 1 (16.67%) Site Reliability Engineering
5 1 (16.67%) Test Automation
Programming Languages
1 4 (66.67%) Ruby
1 4 (66.67%) TypeScript
2 1 (16.67%) Java
2 1 (16.67%) JavaScript
2 1 (16.67%) Kotlin
2 1 (16.67%) SQL
Qualifications
1 1 (16.67%) Computer Science Degree
1 1 (16.67%) Degree
System Software
1 2 (33.33%) Docker
Systems Management
1 2 (33.33%) Kubernetes
2 1 (16.67%) Grafana
2 1 (16.67%) Mesos
2 1 (16.67%) Prometheus