High Availability Jobs in the City of London

High Availability
Central London > City of London

The table below provides summary statistics for permanent job vacancies advertised in the City of London requiring High Availability skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited High Availability over the 6 months leading up to 17 May 2025, comparing them to the same period in the previous two years.

6 months to
17 May 2025
Same period 2024 Same period 2023
Rank 114 162 181
Rank change year-on-year +48 +19 +65
Permanent jobs citing High Availability 24 20 49
As % of all permanent jobs advertised in the City of London 1.18% 0.60% 1.07%
As % of the Processes & Methodologies category 1.23% 0.65% 1.12%
Number of salaries quoted 16 18 31
10th Percentile £64,375 £55,250 £57,500
25th Percentile £67,500 £65,313 £66,875
Median annual salary (50th Percentile) £76,250 £70,000 £75,000
Median % change year-on-year +8.93% -6.67% -11.76%
75th Percentile £98,438 £87,500 £115,000
90th Percentile £125,000 £99,750 £120,000
Central London median annual salary £77,500 £70,000 £72,500
% change year-on-year +10.71% -3.45% -14.71%

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 1,955 3,074 4,370
As % of all permanent jobs advertised in the City of London 95.97% 91.95% 95.19%
Number of salaries quoted 1,479 2,417 3,651
10th Percentile £41,750 £41,250 £42,750
25th Percentile £53,750 £55,000 £56,250
Median annual salary (50th Percentile) £75,000 £75,000 £75,000
Median % change year-on-year - - +3.45%
75th Percentile £97,500 £95,000 £98,000
90th Percentile £120,000 £112,500 £115,000
Central London median annual salary £75,000 £72,500 £75,000
% change year-on-year +3.45% -3.33% +3.45%

High Availability
Job Vacancy Trend in the City of London

Job postings citing High Availability as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for High Availability in the City of London

High Availability
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing High Availability in the City of London.

Salary trend for High Availability in the City of London

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 17 May 2025.

Salary histogram for High Availability in the City of London

High Availability
Co-occurring Skills and Capabilities in the City of London by Category

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

Application Platforms
1 4 (16.67%) Microsoft Exchange
2 2 (8.33%) SharePoint
3 1 (4.17%) Alfresco
3 1 (4.17%) Apache
3 1 (4.17%) Camunda
3 1 (4.17%) Drupal
Business Applications
1 2 (8.33%) Payment Gateway
Cloud Services
1 10 (41.67%) Azure
2 7 (29.17%) AWS
3 3 (12.50%) Microsoft 365
3 3 (12.50%) Virtual Private Cloud
4 2 (8.33%) Amazon ECS
4 2 (8.33%) Amazon SQS
4 2 (8.33%) AWS Lambda
4 2 (8.33%) Entra ID
4 2 (8.33%) GCP
4 2 (8.33%) Power Platform
4 2 (8.33%) Pulumi
4 2 (8.33%) Serverless
5 1 (4.17%) Amazon CloudWatch
5 1 (4.17%) Amazon EKS
5 1 (4.17%) Amazon MSK
5 1 (4.17%) Azure AKS
5 1 (4.17%) Cloud Computing
5 1 (4.17%) Datadog
5 1 (4.17%) Microsoft Copilot
5 1 (4.17%) SaaS
Communications & Networking
1 5 (20.83%) Broadband
2 3 (12.50%) TCP/IP
2 3 (12.50%) VPN
2 3 (12.50%) WAN
3 2 (8.33%) DHCP
3 2 (8.33%) DNS
3 2 (8.33%) LAN
4 1 (4.17%) 4G
4 1 (4.17%) Firewall
4 1 (4.17%) NAS
4 1 (4.17%) Network Security
4 1 (4.17%) SAN
4 1 (4.17%) SD-WAN
4 1 (4.17%) VLAN
4 1 (4.17%) Wireless
Database & Business Intelligence
1 2 (8.33%) ClickHouse
1 2 (8.33%) Data Lake
1 2 (8.33%) DynamoDB
1 2 (8.33%) NoSQL
1 2 (8.33%) OLAP
1 2 (8.33%) OLTP
1 2 (8.33%) RDBMS
1 2 (8.33%) Relational Database
1 2 (8.33%) SQL Server
2 1 (4.17%) Amazon RDS
2 1 (4.17%) Data Hub
2 1 (4.17%) Metadata
2 1 (4.17%) MongoDB
2 1 (4.17%) MySQL
2 1 (4.17%) Power BI
2 1 (4.17%) Redis
2 1 (4.17%) SQL CLR
2 1 (4.17%) SQL Server Analysis Services
2 1 (4.17%) SQL Server Reporting Services
Development Applications
1 2 (8.33%) Jaeger
1 2 (8.33%) Jenkins
General
1 10 (41.67%) Finance
2 9 (37.50%) Social Skills
3 4 (16.67%) Banking
4 2 (8.33%) Analytical Skills
4 2 (8.33%) Inclusion and Diversity
5 1 (4.17%) Back Office
5 1 (4.17%) Financial Institution
5 1 (4.17%) Multimedia
Job Titles
1 6 (25.00%) Infrastructure Engineer
2 5 (20.83%) Developer
3 4 (16.67%) Lead
4 3 (12.50%) Cloud Engineer
4 3 (12.50%) Senior
5 2 (8.33%) Azure Engineer
5 2 (8.33%) Engineering Manager
5 2 (8.33%) Infrastructure Operations Engineer
5 2 (8.33%) IT Engineer
5 2 (8.33%) IT Infrastructure Engineer
5 2 (8.33%) Operations Engineer
5 2 (8.33%) Team Leader
6 1 (4.17%) C# Developer
6 1 (4.17%) Java Developer
6 1 (4.17%) Microsoft Developer
6 1 (4.17%) Senior Infrastructure Engineer
6 1 (4.17%) Senior Microsoft Developer
6 1 (4.17%) Site Engineer
6 1 (4.17%) Software Manager
6 1 (4.17%) SQL Developer
Libraries, Frameworks & Software Standards
1 3 (12.50%) Spring
2 2 (8.33%) Elastic Stack
2 2 (8.33%) Node.js
2 2 (8.33%) OpenTelemetry
2 2 (8.33%) REST
3 1 (4.17%) AngularJS
3 1 (4.17%) Apache NiFi
3 1 (4.17%) CSS
3 1 (4.17%) Hibernate
3 1 (4.17%) HTML
3 1 (4.17%) JPA
3 1 (4.17%) JSON
3 1 (4.17%) Kafka
3 1 (4.17%) LDAP
3 1 (4.17%) RabbitMQ
3 1 (4.17%) React
3 1 (4.17%) Spring Boot
Miscellaneous
1 4 (16.67%) Cloud Native
2 2 (8.33%) Cyber Threat
3 1 (4.17%) Clustering
3 1 (4.17%) Derivative
3 1 (4.17%) Distributed Systems
3 1 (4.17%) Equities
3 1 (4.17%) Fixed Income
3 1 (4.17%) Foreign Exchange (FX)
3 1 (4.17%) Hedge funds
3 1 (4.17%) Industrial Internet of Things
3 1 (4.17%) Management Information System
3 1 (4.17%) Operational Technology
3 1 (4.17%) Private Cloud
3 1 (4.17%) SCADA
3 1 (4.17%) Security Operations Centre
3 1 (4.17%) Security Posture
3 1 (4.17%) Self-Motivation
Operating Systems
1 7 (29.17%) Linux
2 5 (20.83%) Unix
2 5 (20.83%) Windows
3 4 (16.67%) Windows Server
4 3 (12.50%) Windows Server 2019
5 1 (4.17%) Solaris
5 1 (4.17%) Windows Server 2016
Processes & Methodologies
1 12 (50.00%) DevOps
2 10 (41.67%) Problem-Solving
3 8 (33.33%) CI/CD
3 8 (33.33%) Infrastructure as Code
3 8 (33.33%) Infrastructure Engineering
4 7 (29.17%) Mentoring
5 6 (25.00%) Roadmaps
6 5 (20.83%) Agile
6 5 (20.83%) Computer Science
6 5 (20.83%) Disaster Recovery
6 5 (20.83%) Incident Management
6 5 (20.83%) Product Management
7 4 (16.67%) Fintech
7 4 (16.67%) Infrastructure Automation
7 4 (16.67%) Infrastructure Management
7 4 (16.67%) Performance Optimisation
8 3 (12.50%) Broadcast Engineering
8 3 (12.50%) GitOps
8 3 (12.50%) Migration
8 3 (12.50%) Project Management
Programming Languages
1 5 (20.83%) Java
1 5 (20.83%) Python
1 5 (20.83%) SQL
2 3 (12.50%) Bash
2 3 (12.50%) JavaScript
2 3 (12.50%) PowerShell
3 2 (8.33%) C++
3 2 (8.33%) Go
3 2 (8.33%) Perl
3 2 (8.33%) TypeScript
4 1 (4.17%) C#
4 1 (4.17%) PHP
4 1 (4.17%) T-SQL
Qualifications
1 5 (20.83%) Computer Science Degree
1 5 (20.83%) Degree
2 4 (16.67%) Azure Certification
3 3 (12.50%) AWS Certification
3 3 (12.50%) Microsoft Certification
4 1 (4.17%) CCNA
4 1 (4.17%) Cisco Certification
4 1 (4.17%) Master's Degree
4 1 (4.17%) SC Cleared
4 1 (4.17%) Security Cleared
Quality Assurance & Compliance
1 2 (8.33%) GDPR
1 2 (8.33%) PCI DSS
1 2 (8.33%) QA
1 2 (8.33%) SLA
2 1 (4.17%) ISO/IEC 27001
2 1 (4.17%) NIST
System Software
1 5 (20.83%) Active Directory
2 3 (12.50%) Docker
3 2 (8.33%) VMware Infrastructure
4 1 (4.17%) Apache ZooKeeper
4 1 (4.17%) VMware ESXi
Systems Management
1 7 (29.17%) Ansible
2 6 (25.00%) Terraform
3 5 (20.83%) Kubernetes
3 5 (20.83%) Prometheus
4 3 (12.50%) Argo
4 3 (12.50%) Microsoft Intune
5 2 (8.33%) Grafana
5 2 (8.33%) Kustomize
5 2 (8.33%) SCCM
5 2 (8.33%) SCOM
6 1 (4.17%) Failover Clustering
6 1 (4.17%) FortiGate
6 1 (4.17%) Istio
6 1 (4.17%) NetBackup
6 1 (4.17%) vCenter Server
Vendors
1 6 (25.00%) Google
1 6 (25.00%) Microsoft
2 5 (20.83%) VMware
3 1 (4.17%) EMC
3 1 (4.17%) NetApp
3 1 (4.17%) Red Hat
3 1 (4.17%) Veeam
3 1 (4.17%) Veritas