High Availability Job Trends in the City of London

High Availability
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring High Availability skills. It covers permanent job vacancies from the 6 months leading up to 14 May 2026, with comparisons to the same periods in the previous two years.

6 months to
14 May 2026
Same period 2025 Same period 2024
Rank 141 120 153
Rank change year-on-year -21 +33 +35
Permanent jobs citing High Availability 22 20 21
As % of all permanent jobs in the City of London 0.54% 0.99% 0.66%
As % of the Processes & Methodologies category 0.67% 1.03% 0.72%
Number of salaries quoted 19 16 19
10th Percentile - £64,375 £56,000
25th Percentile £50,000 £67,500 £65,625
Median annual salary (50th Percentile) £62,500 £76,250 £70,000
Median % change year-on-year -18.03% +8.93% -6.67%
75th Percentile £83,125 £111,563 £87,500
90th Percentile £93,500 £130,000 £99,000
Central London median annual salary £70,000 £77,500 £70,000
% change year-on-year -9.68% +10.71% -3.45%

All Process & Methodology Skills
City of London

High Availability falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in the City of London.

Permanent vacancies with a requirement for process or methodology skills 3,296 1,944 2,910
As % of all permanent jobs advertised in the City of London 80.55% 96.05% 91.62%
Number of salaries quoted 2,384 1,476 2,429
10th Percentile £45,000 £41,750 £41,250
25th Percentile £60,000 £53,750 £55,000
Median annual salary (50th Percentile) £80,000 £75,000 £75,000
Median % change year-on-year +6.67% - -
75th Percentile £100,000 £97,500 £95,000
90th Percentile - £121,875 £112,750
Central London median annual salary £80,000 £75,000 £72,500
% change year-on-year +6.67% +3.45% -3.33%

High Availability
Job Vacancy Trend in the City of London

Historical trend showing the proportion of permanent IT job postings citing High Availability relative to all permanent IT jobs advertised in the City of London.

High Availability job vacancy trend in the City of London

High Availability
Salary Trend in the City of London

Salary distribution trend for jobs in the City of London citing High Availability.

Salary distribution trend for jobs in the City of London citing High Availability

High Availability
Salary Histogram in the City of London

Salary distribution for jobs citing High Availability in the City of London over the 6 months to 14 May 2026.

Salary histogram for High Availability in the City of London

High Availability
Co-Occurring Skills & Capabilities in the City of London 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 3 (13.64%) Microsoft Exchange
2 2 (9.09%) SharePoint
3 1 (4.55%) Site Server
Applications
1 1 (4.55%) Microsoft Excel
1 1 (4.55%) Microsoft Office
Cloud Services
1 8 (36.36%) AWS
2 4 (18.18%) Azure
3 3 (13.64%) Amazon EC2
3 3 (13.64%) SaaS
4 2 (9.09%) Amazon CloudWatch
4 2 (9.09%) Amazon EKS
4 2 (9.09%) Amazon ElastiCache
4 2 (9.09%) Amazon OpenSearch
4 2 (9.09%) CloudFront
4 2 (9.09%) Entra ID
4 2 (9.09%) Microsoft 365
4 2 (9.09%) Microsoft Purview
4 2 (9.09%) Mimecast
4 2 (9.09%) Tessian
4 2 (9.09%) Virtual Private Cloud
5 1 (4.55%) AWS Lambda
5 1 (4.55%) AWS Step Functions
5 1 (4.55%) Azure DevOps
5 1 (4.55%) Pulumi
5 1 (4.55%) Snowflake
Communications & Networking
1 1 (4.55%) Broadband
1 1 (4.55%) iSCSI
1 1 (4.55%) NAS
Database & Business Intelligence
1 3 (13.64%) Amazon RDS
2 2 (9.09%) Amazon Aurora
2 2 (9.09%) NoSQL
2 2 (9.09%) Relational Database
3 1 (4.55%) Amazon Redshift
3 1 (4.55%) Data Warehouse
3 1 (4.55%) DynamoDB
3 1 (4.55%) RDBMS
Development Applications
1 1 (4.55%) Jaeger
1 1 (4.55%) MLflow
General
1 6 (27.27%) Social Skills
2 5 (22.73%) Finance
3 3 (13.64%) Legal
4 2 (9.09%) Banking
4 2 (9.09%) Law
5 1 (4.55%) Inclusion and Diversity
5 1 (4.55%) Investment Banking
5 1 (4.55%) Retail Banking
Job Titles
1 7 (31.82%) Developer
2 5 (22.73%) .NET Developer
2 5 (22.73%) Cloud Engineer
2 5 (22.73%) Senior
3 3 (13.64%) Analyst
3 3 (13.64%) Operations Analyst
4 2 (9.09%) AWS Engineer
4 2 (9.09%) AWS Platform Engineer
4 2 (9.09%) Cloud Infrastructure Engineer
4 2 (9.09%) Cloud Platform Engineer
4 2 (9.09%) Data Centre Manager
4 2 (9.09%) Data Engineer
4 2 (9.09%) Data Manager
4 2 (9.09%) Infrastructure Engineer
4 2 (9.09%) Java Developer
4 2 (9.09%) Platform Engineer
4 2 (9.09%) Senior Cloud Engineer
4 2 (9.09%) Senior Infrastructure Engineer
5 1 (4.55%) Lead
5 1 (4.55%) Snowflake Data Engineer
Libraries, Frameworks & Software Standards
1 5 (22.73%) .NET
2 2 (9.09%) Kafka
2 2 (9.09%) Loki
2 2 (9.09%) Spring
2 2 (9.09%) Spring Boot
3 1 (4.55%) Elastic Stack
3 1 (4.55%) FIX Protocol
3 1 (4.55%) HTML
3 1 (4.55%) Next.js
3 1 (4.55%) Node.js
3 1 (4.55%) OpenTelemetry
3 1 (4.55%) RESTful
Miscellaneous
1 2 (9.09%) Data Centre
1 2 (9.09%) Distributed Systems
1 2 (9.09%) Driving Licence
1 2 (9.09%) Enterprise Software
1 2 (9.09%) Reinsurance
2 1 (4.55%) Cloud Native
2 1 (4.55%) Product Ownership
Operating Systems
1 5 (22.73%) Linux
2 2 (9.09%) Unix
3 1 (4.55%) Windows
3 1 (4.55%) Windows Server
Processes & Methodologies
1 5 (22.73%) CI/CD
1 5 (22.73%) DevOps
2 4 (18.18%) Event-Driven
2 4 (18.18%) Infrastructure Engineering
2 4 (18.18%) Observability
3 3 (13.64%) Data Pipeline
3 3 (13.64%) Event-Driven Architecture
3 3 (13.64%) Infrastructure as Code
3 3 (13.64%) Site Reliability Engineering
4 2 (9.09%) Analytics
4 2 (9.09%) Auto-Scaling
4 2 (9.09%) Cloud Operations
4 2 (9.09%) Commercial Awareness
4 2 (9.09%) Cost Control
4 2 (9.09%) Cost Optimisation
4 2 (9.09%) Mentoring
4 2 (9.09%) Mobile Device Management
4 2 (9.09%) People Management
4 2 (9.09%) Secrets Management
4 2 (9.09%) User Experience
Programming Languages
1 10 (45.45%) SQL
2 8 (36.36%) Python
3 5 (22.73%) Bash
4 3 (13.64%) Java
5 2 (9.09%) PowerShell
6 1 (4.55%) C#
6 1 (4.55%) Go
6 1 (4.55%) JavaScript
6 1 (4.55%) Korn
6 1 (4.55%) Kotlin
Qualifications
1 3 (13.64%) Degree
2 1 (4.55%) AWS Certification
Quality Assurance & Compliance
1 2 (9.09%) Cyber Essentials
1 2 (9.09%) ISO 14000
1 2 (9.09%) ISO/IEC 27001
System Software
1 3 (13.64%) Active Directory
1 3 (13.64%) Docker
2 2 (9.09%) Virtual Desktop
3 1 (4.55%) Hyper-V
Systems Management
1 7 (31.82%) Terraform
2 6 (27.27%) Kubernetes
3 3 (13.64%) Grafana
3 3 (13.64%) Prometheus
4 2 (9.09%) Microsoft Intune
5 1 (4.55%) Ansible
5 1 (4.55%) Argo
5 1 (4.55%) Kustomize
Vendors
1 4 (18.18%) Microsoft
2 2 (9.09%) iManage
2 2 (9.09%) Intapp
2 2 (9.09%) ServiceNow
3 1 (4.55%) Atlassian
3 1 (4.55%) Google
3 1 (4.55%) Juniper