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 18 December 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Dec 2025
Same period 2024 Same period 2023
Rank 107 102 122
Rank change year-on-year -5 +20 +112
Permanent jobs citing High Availability 25 65 44
As % of all permanent jobs in the City of London 1.26% 2.40% 1.51%
As % of the Processes & Methodologies category 1.41% 2.51% 1.58%
Number of salaries quoted 23 39 43
10th Percentile £59,500 £60,000 £58,250
25th Percentile £69,375 £71,850 £73,750
Median annual salary (50th Percentile) £75,000 £76,500 £80,000
Median % change year-on-year -1.96% -4.38% -5.88%
75th Percentile £91,875 £110,625 £90,000
90th Percentile £126,250 £137,500 £120,000
Central London median annual salary £75,000 £76,500 £77,500
% change year-on-year -1.96% -1.29% -6.06%

All Process and 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 1,774 2,585 2,792
As % of all permanent jobs advertised in the City of London 89.24% 95.28% 95.55%
Number of salaries quoted 1,336 1,697 2,525
10th Percentile £41,250 £46,250 £40,000
25th Percentile £57,500 £55,000 £55,000
Median annual salary (50th Percentile) £75,000 £75,000 £75,000
75th Percentile £100,000 £95,000 £96,250
90th Percentile £115,000 £117,500 £115,000
Central London median annual salary £75,000 £75,000 £74,000
% change year-on-year - +1.35% -1.33%

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 18 December 2025.

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 2 (8.00%) Microsoft Exchange
2 1 (4.00%) Apache Spark
2 1 (4.00%) Oracle Workflow
2 1 (4.00%) SharePoint
Applications
1 3 (12.00%) Microsoft Excel
1 3 (12.00%) Microsoft Office
Business Applications
1 1 (4.00%) Payment Gateway
Cloud Services
1 16 (64.00%) AWS
2 14 (56.00%) Azure
3 6 (24.00%) Azure DevOps
4 4 (16.00%) Amazon EC2
4 4 (16.00%) Amazon ECS
4 4 (16.00%) AWS CloudFormation
4 4 (16.00%) AWS Lambda
4 4 (16.00%) Serverless
5 3 (12.00%) Amazon S3
5 3 (12.00%) Azure Monitor
5 3 (12.00%) GCP
5 3 (12.00%) Snowflake
5 3 (12.00%) Virtual Private Cloud
6 2 (8.00%) Amazon EKS
6 2 (8.00%) Amazon SageMaker
6 2 (8.00%) AWS CodePipeline
6 2 (8.00%) AWS Step Functions
6 2 (8.00%) GitHub
6 2 (8.00%) GitHub Actions
6 2 (8.00%) Microsoft 365
Communications & Networking
1 2 (8.00%) Network Security
2 1 (4.00%) Kerberos
Database & Business Intelligence
1 3 (12.00%) Amazon RDS
1 3 (12.00%) Data Warehouse
1 3 (12.00%) DynamoDB
1 3 (12.00%) Relational Database
2 2 (8.00%) Amazon Redshift
2 2 (8.00%) Data Lake
3 1 (4.00%) Amazon Aurora
3 1 (4.00%) Apache Hive
3 1 (4.00%) Big Data
3 1 (4.00%) Hadoop
3 1 (4.00%) NoSQL
3 1 (4.00%) OLAP
3 1 (4.00%) OLTP
3 1 (4.00%) Power BI
3 1 (4.00%) RDBMS
3 1 (4.00%) SQL Server
3 1 (4.00%) SQL Server Analysis Services
3 1 (4.00%) SQL Server Integration Services
Development Applications
1 3 (12.00%) Jenkins
2 1 (4.00%) Bitbucket
2 1 (4.00%) Git
2 1 (4.00%) MLflow
2 1 (4.00%) Visual Studio
General
1 12 (48.00%) Social Skills
2 7 (28.00%) Finance
3 3 (12.00%) Banking
4 2 (8.00%) Analytical Skills
5 1 (4.00%) Automotive
5 1 (4.00%) Financial Institution
5 1 (4.00%) Investment Banking
5 1 (4.00%) Law
5 1 (4.00%) Legal
Job Titles
1 6 (24.00%) Senior
2 5 (20.00%) Lead
3 3 (12.00%) Applications Manager
3 3 (12.00%) Architect
3 3 (12.00%) DevOps Engineer
3 3 (12.00%) Service Manager
4 2 (8.00%) Analyst
4 2 (8.00%) Azure Engineer
4 2 (8.00%) Cloud Engineer
4 2 (8.00%) Data Engineer
4 2 (8.00%) Developer
4 2 (8.00%) Infrastructure Engineer
4 2 (8.00%) Operational Support Analyst
4 2 (8.00%) Operations Analyst
4 2 (8.00%) Operations Support Analyst
4 2 (8.00%) Senior Data Engineer
4 2 (8.00%) Senior Infrastructure Engineer
4 2 (8.00%) Support Analyst
5 1 (4.00%) Cloud Developer
5 1 (4.00%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 2 (8.00%) FIX Protocol
1 2 (8.00%) Kafka
1 2 (8.00%) Node.js
1 2 (8.00%) Spring
2 1 (4.00%) ARM Templates
2 1 (4.00%) AWS CDK
2 1 (4.00%) JDBC
2 1 (4.00%) LDAP
2 1 (4.00%) Loki
2 1 (4.00%) Next.js
2 1 (4.00%) OAuth
2 1 (4.00%) OAuth2
2 1 (4.00%) ODBC
2 1 (4.00%) OpenTelemetry
2 1 (4.00%) RESTful
2 1 (4.00%) Semantic Kernel
2 1 (4.00%) Spring Boot
2 1 (4.00%) Web Services
Miscellaneous
1 4 (16.00%) Reinsurance
2 3 (12.00%) Cloud Native
3 2 (8.00%) Distributed Systems
4 1 (4.00%) Clustering
4 1 (4.00%) Data Centre
4 1 (4.00%) Distributed Architecture
4 1 (4.00%) Enterprise Software
4 1 (4.00%) Hybrid Cloud
4 1 (4.00%) Private Cloud
4 1 (4.00%) Product Ownership
4 1 (4.00%) Security Posture
Operating Systems
1 5 (20.00%) Linux
2 3 (12.00%) Unix
2 3 (12.00%) Windows
3 1 (4.00%) Windows Server
Processes & Methodologies
1 12 (48.00%) CI/CD
1 12 (48.00%) DevOps
2 10 (40.00%) Infrastructure as Code
3 7 (28.00%) Observability
4 6 (24.00%) AI
5 5 (20.00%) Analytics
5 5 (20.00%) Disaster Recovery
5 5 (20.00%) ITIL
5 5 (20.00%) Machine Learning
5 5 (20.00%) Problem-Solving
6 4 (16.00%) Data Governance
6 4 (16.00%) Data Pipeline
6 4 (16.00%) Mentoring
6 4 (16.00%) Service Delivery
6 4 (16.00%) Service Management
6 4 (16.00%) Workflow
7 3 (12.00%) Agile
7 3 (12.00%) Cybersecurity
7 3 (12.00%) Project Management
7 3 (12.00%) Release Management
Programming Languages
1 10 (40.00%) Python
1 10 (40.00%) SQL
2 6 (24.00%) Bash
3 3 (12.00%) Java
4 1 (4.00%) Bicep
4 1 (4.00%) Korn
4 1 (4.00%) PowerShell
4 1 (4.00%) T-SQL
4 1 (4.00%) TypeScript
Qualifications
1 6 (24.00%) Degree
2 2 (8.00%) AWS Certification
3 1 (4.00%) AWS Certified Solutions Architect
3 1 (4.00%) Azure Certification
3 1 (4.00%) Computer Science Degree
3 1 (4.00%) DV Cleared
3 1 (4.00%) MCSE
3 1 (4.00%) Microsoft Certification
3 1 (4.00%) PMI Certification
3 1 (4.00%) PMP
3 1 (4.00%) SC Cleared
3 1 (4.00%) Security Cleared
3 1 (4.00%) SnowPro
Quality Assurance & Compliance
1 3 (12.00%) GDPR
2 2 (8.00%) ISO/IEC 27001
3 1 (4.00%) Basel III
3 1 (4.00%) Data Quality
3 1 (4.00%) MiFID
3 1 (4.00%) PCI DSS
3 1 (4.00%) QA
3 1 (4.00%) SLA
3 1 (4.00%) SOC 2
System Software
1 4 (16.00%) Docker
2 3 (12.00%) Active Directory
3 1 (4.00%) Hyper-V
3 1 (4.00%) VMware Infrastructure
Systems Management
1 9 (36.00%) Terraform
2 8 (32.00%) Kubernetes
3 5 (20.00%) Grafana
4 3 (12.00%) Prometheus
5 2 (8.00%) SCOM
6 1 (4.00%) Ansible
6 1 (4.00%) Argo
6 1 (4.00%) Microsoft Clustering
6 1 (4.00%) Microsoft Intune
Vendors
1 5 (20.00%) Microsoft
2 3 (12.00%) ServiceNow
3 2 (8.00%) Atlassian
3 2 (8.00%) SolarWinds
4 1 (4.00%) Aderant
4 1 (4.00%) Bloomberg
4 1 (4.00%) Cisco
4 1 (4.00%) Databricks
4 1 (4.00%) Dell
4 1 (4.00%) Google
4 1 (4.00%) iManage
4 1 (4.00%) Intapp
4 1 (4.00%) Meraki
4 1 (4.00%) Oracle
4 1 (4.00%) RedGate
4 1 (4.00%) Refinitiv
4 1 (4.00%) SAP
4 1 (4.00%) VMware