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 7 May 2026, with comparisons to the same periods in the previous two years.

6 months to
7 May 2026
Same period 2025 Same period 2024
Rank 126 124 155
Rank change year-on-year -2 +31 +34
Permanent jobs citing High Availability 25 19 24
As % of all permanent jobs in the City of London 0.62% 0.91% 0.75%
As % of the Processes & Methodologies category 0.77% 0.95% 0.82%
Number of salaries quoted 22 15 22
10th Percentile £50,000 £63,750 £50,750
25th Percentile £50,625 £67,500 £62,188
Median annual salary (50th Percentile) £72,500 £75,000 £70,000
Median % change year-on-year -3.33% +7.14% -6.67%
75th Percentile £84,688 £114,375 £87,500
90th Percentile £97,000 £130,000 £104,250
Central London median annual salary £72,500 £77,500 £70,000
% change year-on-year -6.45% +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 3,251 2,010 2,944
As % of all permanent jobs advertised in the City of London 80.69% 96.08% 91.91%
Number of salaries quoted 2,337 1,510 2,473
10th Percentile £45,000 £42,500 £41,250
25th Percentile £60,000 £53,859 £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 - £122,500 £112,500
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 7 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 4 (16.00%) Microsoft Exchange
2 2 (8.00%) SharePoint
3 1 (4.00%) Site Server
Applications
1 2 (8.00%) Microsoft Excel
1 2 (8.00%) Microsoft Office
Cloud Services
1 11 (44.00%) AWS
2 6 (24.00%) Azure
3 3 (12.00%) Amazon EC2
3 3 (12.00%) Azure DevOps
3 3 (12.00%) SaaS
4 2 (8.00%) Amazon CloudWatch
4 2 (8.00%) Amazon EKS
4 2 (8.00%) Amazon ElastiCache
4 2 (8.00%) Amazon OpenSearch
4 2 (8.00%) CloudFront
4 2 (8.00%) Entra ID
4 2 (8.00%) Microsoft 365
4 2 (8.00%) Microsoft Purview
4 2 (8.00%) Mimecast
4 2 (8.00%) Tessian
4 2 (8.00%) Virtual Private Cloud
5 1 (4.00%) Amazon S3
5 1 (4.00%) AWS CloudFormation
5 1 (4.00%) AWS Step Functions
5 1 (4.00%) GCP
Communications & Networking
1 1 (4.00%) Broadband
1 1 (4.00%) iSCSI
1 1 (4.00%) NAS
Database & Business Intelligence
1 3 (12.00%) Amazon RDS
1 3 (12.00%) Relational Database
2 2 (8.00%) Amazon Aurora
2 2 (8.00%) NoSQL
3 1 (4.00%) Amazon Redshift
3 1 (4.00%) Data Warehouse
3 1 (4.00%) DynamoDB
3 1 (4.00%) RDBMS
Development Applications
1 1 (4.00%) Jaeger
1 1 (4.00%) MLflow
General
1 8 (32.00%) Social Skills
2 7 (28.00%) Finance
3 3 (12.00%) Banking
3 3 (12.00%) Legal
4 2 (8.00%) Law
5 1 (4.00%) Financial Institution
5 1 (4.00%) Inclusion and Diversity
5 1 (4.00%) Investment Banking
5 1 (4.00%) Retail Banking
Job Titles
1 7 (28.00%) Developer
2 5 (20.00%) .NET Developer
2 5 (20.00%) Cloud Engineer
2 5 (20.00%) Senior
3 4 (16.00%) Analyst
3 4 (16.00%) Operations Analyst
4 3 (12.00%) Applications Manager
4 3 (12.00%) Service Manager
5 2 (8.00%) AWS Platform Engineer
5 2 (8.00%) Cloud Infrastructure Engineer
5 2 (8.00%) Cloud Platform Engineer
5 2 (8.00%) Data Engineer
5 2 (8.00%) Infrastructure Engineer
5 2 (8.00%) Java Developer
5 2 (8.00%) Operational Support Analyst
5 2 (8.00%) Operations Support Analyst
5 2 (8.00%) Platform Engineer
5 2 (8.00%) Senior Cloud Engineer
5 2 (8.00%) Senior Infrastructure Engineer
5 2 (8.00%) Support Analyst
Libraries, Frameworks & Software Standards
1 5 (20.00%) .NET
2 2 (8.00%) FIX Protocol
2 2 (8.00%) Kafka
2 2 (8.00%) Loki
2 2 (8.00%) Spring
2 2 (8.00%) Spring Boot
3 1 (4.00%) Elastic Stack
3 1 (4.00%) HTML
3 1 (4.00%) Next.js
3 1 (4.00%) Node.js
3 1 (4.00%) OpenTelemetry
3 1 (4.00%) RESTful
Miscellaneous
1 4 (16.00%) Reinsurance
2 2 (8.00%) Distributed Systems
2 2 (8.00%) Enterprise Software
3 1 (4.00%) Cloud Native
3 1 (4.00%) Data Centre
3 1 (4.00%) Driving Licence
3 1 (4.00%) Hybrid Cloud
3 1 (4.00%) Product Ownership
Operating Systems
1 6 (24.00%) Linux
2 3 (12.00%) Unix
3 1 (4.00%) Windows
3 1 (4.00%) Windows Server
Processes & Methodologies
1 8 (32.00%) DevOps
2 6 (24.00%) CI/CD
3 4 (16.00%) Event-Driven
3 4 (16.00%) Infrastructure as Code
3 4 (16.00%) Infrastructure Engineering
3 4 (16.00%) ITIL
3 4 (16.00%) Observability
4 3 (12.00%) Cloud Security
4 3 (12.00%) Data Pipeline
4 3 (12.00%) Disaster Recovery
4 3 (12.00%) Event-Driven Architecture
4 3 (12.00%) Mentoring
4 3 (12.00%) Problem-Solving
4 3 (12.00%) Release Management
4 3 (12.00%) Service Delivery
4 3 (12.00%) Service Management
4 3 (12.00%) Site Reliability Engineering
4 3 (12.00%) Tech Ops
4 3 (12.00%) Workflow
5 2 (8.00%) Secrets Management
Programming Languages
1 13 (52.00%) SQL
2 10 (40.00%) Python
3 7 (28.00%) Bash
4 3 (12.00%) Java
5 2 (8.00%) PowerShell
6 1 (4.00%) C#
6 1 (4.00%) Go
6 1 (4.00%) JavaScript
6 1 (4.00%) Korn
6 1 (4.00%) Kotlin
Qualifications
1 4 (16.00%) Degree
2 2 (8.00%) AWS Certification
3 1 (4.00%) AWS Certified Solutions Architect
Quality Assurance & Compliance
1 2 (8.00%) Cyber Essentials
2 1 (4.00%) Basel III
2 1 (4.00%) GDPR
2 1 (4.00%) ISO 14000
2 1 (4.00%) ISO/IEC 27001
2 1 (4.00%) MiFID
System Software
1 4 (16.00%) Docker
2 3 (12.00%) Active Directory
3 2 (8.00%) Virtual Desktop
4 1 (4.00%) Hyper-V
Systems Management
1 8 (32.00%) Terraform
2 7 (28.00%) Kubernetes
3 4 (16.00%) Grafana
4 3 (12.00%) Prometheus
5 2 (8.00%) Microsoft Intune
6 1 (4.00%) Ansible
6 1 (4.00%) Argo
6 1 (4.00%) Kustomize
Vendors
1 5 (20.00%) Microsoft
2 4 (16.00%) ServiceNow
3 2 (8.00%) Atlassian
3 2 (8.00%) iManage
3 2 (8.00%) Intapp
4 1 (4.00%) Bloomberg
4 1 (4.00%) Google
4 1 (4.00%) Juniper
4 1 (4.00%) Refinitiv