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 26 April 2025, comparing them to the same period in the previous two years.

6 months to
26 Apr 2025
Same period 2024 Same period 2023
Rank 123 151 190
Rank change year-on-year +28 +39 +52
Permanent jobs citing High Availability 20 27 43
As % of all permanent jobs advertised in the City of London 0.95% 0.80% 0.90%
As % of the Processes & Methodologies category 0.99% 0.87% 0.94%
Number of salaries quoted 16 25 31
10th Percentile £64,375 £53,000 £57,500
25th Percentile £67,500 £65,000 £63,125
Median annual salary (50th Percentile) £75,750 £70,500 £75,000
Median % change year-on-year +7.45% -6.00% -6.25%
75th Percentile £105,000 £87,500 £115,000
90th Percentile £130,000 £102,000 £117,500
Central London median annual salary £77,000 £70,250 £71,250
% change year-on-year +9.61% -1.40% -10.94%

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 2,021 3,105 4,561
As % of all permanent jobs advertised in the City of London 95.92% 92.41% 95.22%
Number of salaries quoted 1,515 2,481 3,835
10th Percentile £42,500 £41,250 £43,850
25th Percentile £55,000 £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 £97,500
90th Percentile £122,000 £112,500 £112,500
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 26 April 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 6 (30.00%) Microsoft Exchange
2 2 (10.00%) SharePoint
3 1 (5.00%) Alfresco
3 1 (5.00%) Apache
3 1 (5.00%) Camunda
3 1 (5.00%) Drupal
Applications
1 1 (5.00%) Microsoft Office
Business Applications
1 1 (5.00%) Payment Gateway
Cloud Services
1 11 (55.00%) Azure
2 6 (30.00%) Microsoft 365
3 4 (20.00%) Entra ID
4 3 (15.00%) Azure AKS
5 2 (10.00%) AWS
5 2 (10.00%) GCP
5 2 (10.00%) Power Platform
6 1 (5.00%) Amazon ECS
6 1 (5.00%) Amazon SQS
6 1 (5.00%) AWS Lambda
6 1 (5.00%) Microsoft Copilot
6 1 (5.00%) OpenShift
6 1 (5.00%) SaaS
6 1 (5.00%) Serverless
6 1 (5.00%) Virtual Private Cloud
Communications & Networking
1 4 (20.00%) VPN
2 3 (15.00%) DHCP
2 3 (15.00%) DNS
2 3 (15.00%) LAN
2 3 (15.00%) TCP/IP
2 3 (15.00%) WAN
3 2 (10.00%) Firewall
3 2 (10.00%) Network Security
3 2 (10.00%) VLAN
3 2 (10.00%) Wireless
4 1 (5.00%) 4G
4 1 (5.00%) NAS
4 1 (5.00%) Remote Desktop
4 1 (5.00%) SAN
Database & Business Intelligence
1 3 (15.00%) SQL Server
2 2 (10.00%) ClickHouse
3 1 (5.00%) Data Hub
3 1 (5.00%) Data Lake
3 1 (5.00%) DynamoDB
3 1 (5.00%) Metadata
3 1 (5.00%) MongoDB
3 1 (5.00%) MySQL
3 1 (5.00%) OLAP
3 1 (5.00%) OLTP
3 1 (5.00%) Power BI
3 1 (5.00%) Redis
3 1 (5.00%) SQL CLR
3 1 (5.00%) SQL Server Analysis Services
3 1 (5.00%) SQL Server Reporting Services
Development Applications
1 2 (10.00%) Jenkins
2 1 (5.00%) Eclipse
General
1 11 (55.00%) Finance
2 7 (35.00%) Social Skills
3 3 (15.00%) Banking
4 2 (10.00%) Analytical Skills
5 1 (5.00%) Back Office
5 1 (5.00%) Financial Institution
5 1 (5.00%) Inclusion and Diversity
Job Titles
1 9 (45.00%) Infrastructure Engineer
2 5 (25.00%) Developer
3 4 (20.00%) Senior
4 3 (15.00%) Cloud Engineer
5 2 (10.00%) Azure Engineer
5 2 (10.00%) Infrastructure Operations Engineer
5 2 (10.00%) IT Engineer
5 2 (10.00%) IT Infrastructure Engineer
5 2 (10.00%) Lead
5 2 (10.00%) Lead Infrastructure Engineer
5 2 (10.00%) Operations Engineer
5 2 (10.00%) Senior Infrastructure Engineer
6 1 (5.00%) C# Developer
6 1 (5.00%) Cisco Engineer
6 1 (5.00%) Java Developer
6 1 (5.00%) Microsoft Developer
6 1 (5.00%) Senior Cisco Engineer
6 1 (5.00%) Senior Microsoft Developer
6 1 (5.00%) SQL Developer
6 1 (5.00%) Virtualisation Engineer
Libraries, Frameworks & Software Standards
1 2 (10.00%) REST
1 2 (10.00%) Spring
2 1 (5.00%) AngularJS
2 1 (5.00%) Apache NiFi
2 1 (5.00%) CSS
2 1 (5.00%) Hibernate
2 1 (5.00%) HTML
2 1 (5.00%) JPA
2 1 (5.00%) JSON
2 1 (5.00%) Kafka
2 1 (5.00%) LDAP
2 1 (5.00%) Node.js
2 1 (5.00%) RabbitMQ
2 1 (5.00%) React
2 1 (5.00%) Spring Boot
Miscellaneous
1 3 (15.00%) Management Information System
1 3 (15.00%) Security Posture
2 2 (10.00%) Cloud Native
2 2 (10.00%) Cyber Threat
2 2 (10.00%) Self-Motivation
3 1 (5.00%) Clustering
3 1 (5.00%) Data Centre
3 1 (5.00%) Derivative
3 1 (5.00%) Distributed Systems
3 1 (5.00%) Equities
3 1 (5.00%) Fixed Income
3 1 (5.00%) Foreign Exchange (FX)
3 1 (5.00%) Hedge funds
3 1 (5.00%) Private Cloud
3 1 (5.00%) Security Operations Centre
Operating Systems
1 8 (40.00%) Windows
2 7 (35.00%) Linux
2 7 (35.00%) Windows Server
3 5 (25.00%) Windows Server 2019
4 3 (15.00%) Unix
4 3 (15.00%) Windows Server 2016
5 1 (5.00%) Solaris
Processes & Methodologies
1 11 (55.00%) Infrastructure Engineering
2 8 (40.00%) DevOps
3 7 (35.00%) Infrastructure Management
3 7 (35.00%) Problem-Solving
4 6 (30.00%) CI/CD
4 6 (30.00%) Incident Management
5 5 (25.00%) Disaster Recovery
5 5 (25.00%) Infrastructure Automation
6 4 (20.00%) Identity Management
6 4 (20.00%) Infrastructure as Code
6 4 (20.00%) ITIL
6 4 (20.00%) Mentoring
6 4 (20.00%) Project Management
6 4 (20.00%) Risk Management
7 3 (15.00%) Change Management
7 3 (15.00%) ITSM
7 3 (15.00%) Knowledge Management
7 3 (15.00%) Migration
7 3 (15.00%) Performance Management
7 3 (15.00%) Problem Management
Programming Languages
1 4 (20.00%) PowerShell
1 4 (20.00%) Python
1 4 (20.00%) SQL
2 2 (10.00%) C++
2 2 (10.00%) Java
2 2 (10.00%) Perl
3 1 (5.00%) Bash
3 1 (5.00%) C#
3 1 (5.00%) JavaScript
3 1 (5.00%) PHP
3 1 (5.00%) T-SQL
3 1 (5.00%) TypeScript
Qualifications
1 4 (20.00%) Azure Certification
2 3 (15.00%) Microsoft Certification
3 2 (10.00%) Cisco Certification
4 1 (5.00%) CCIE
4 1 (5.00%) CCIE Data Center
4 1 (5.00%) CCNA
4 1 (5.00%) Computer Science Degree
4 1 (5.00%) Degree
4 1 (5.00%) RHCA
4 1 (5.00%) SC Cleared
4 1 (5.00%) Security Cleared
4 1 (5.00%) VCDX
Quality Assurance & Compliance
1 1 (5.00%) GDPR
1 1 (5.00%) PCI DSS
1 1 (5.00%) QA
1 1 (5.00%) SLA
System Software
1 7 (35.00%) Active Directory
2 4 (20.00%) VMware Infrastructure
3 1 (5.00%) Apache ZooKeeper
3 1 (5.00%) Docker
3 1 (5.00%) Hyper-V
3 1 (5.00%) Virtual Desktop
3 1 (5.00%) VMware ESXi
3 1 (5.00%) vSphere
Systems Management
1 7 (35.00%) Ansible
2 6 (30.00%) Terraform
3 5 (25.00%) Kubernetes
3 5 (25.00%) Microsoft Intune
4 3 (15.00%) NetBackup
5 2 (10.00%) Grafana
5 2 (10.00%) Prometheus
5 2 (10.00%) SCCM
5 2 (10.00%) SCOM
6 1 (5.00%) Failover Clustering
6 1 (5.00%) FortiGate
6 1 (5.00%) Istio
6 1 (5.00%) vCenter Server
Vendors
1 9 (45.00%) VMware
2 7 (35.00%) Microsoft
3 3 (15.00%) EMC
3 3 (15.00%) Google
3 3 (15.00%) NetApp
4 2 (10.00%) Red Hat
4 2 (10.00%) Veeam
5 1 (5.00%) Cisco
5 1 (5.00%) Cognos
5 1 (5.00%) Sun
5 1 (5.00%) Veritas