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

6 months to
14 Oct 2025
Same period 2024 Same period 2023
Rank 98 110 138
Rank change year-on-year +12 +28 +105
Permanent jobs citing High Availability 31 59 46
As % of all permanent jobs in the City of London 1.90% 2.10% 1.45%
As % of the Processes & Methodologies category 1.98% 2.24% 1.52%
Number of salaries quoted 30 35 40
10th Percentile £62,500 £60,000 £60,875
25th Percentile £67,500 £72,500 £73,438
Median annual salary (50th Percentile) £76,250 £77,500 £85,000
Median % change year-on-year -1.61% -8.82% +3.03%
75th Percentile £94,063 £95,000 £96,563
90th Percentile £112,625 £137,500 £120,000
Central London median annual salary £76,250 £77,500 £77,500
% change year-on-year -1.61% - -8.82%

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 1,562 2,631 3,023
As % of all permanent jobs advertised in the City of London 95.89% 93.73% 95.21%
Number of salaries quoted 1,253 1,719 2,711
10th Percentile £40,000 £46,250 £41,250
25th Percentile £55,000 £55,000 £55,000
Median annual salary (50th Percentile) £75,000 £75,000 £75,000
75th Percentile £95,000 £95,000 £96,250
90th Percentile £122,250 £115,000 £117,500
Central London median annual salary £75,000 £75,000 £72,500
% change year-on-year - +3.45% -

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 October 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 (6.45%) Microsoft Exchange
2 1 (3.23%) Apache Spark
2 1 (3.23%) Oracle Workflow
2 1 (3.23%) SharePoint
Applications
1 1 (3.23%) Microsoft Excel
1 1 (3.23%) Microsoft Office
Business Applications
1 3 (9.68%) Payment Gateway
Cloud Services
1 15 (48.39%) Azure
2 13 (41.94%) AWS
3 6 (19.35%) AWS Lambda
3 6 (19.35%) Serverless
4 5 (16.13%) Amazon ECS
4 5 (16.13%) Virtual Private Cloud
5 4 (12.90%) Azure DevOps
5 4 (12.90%) Azure Monitor
6 3 (9.68%) Amazon EC2
6 3 (9.68%) Amazon S3
6 3 (9.68%) Amazon SQS
6 3 (9.68%) AWS CodePipeline
6 3 (9.68%) Power Platform
6 3 (9.68%) SaaS
6 3 (9.68%) Snowflake
7 2 (6.45%) Amazon EKS
7 2 (6.45%) AWS CloudFormation
7 2 (6.45%) AWS Step Functions
7 2 (6.45%) GCP
7 2 (6.45%) Microsoft 365
Communications & Networking
1 5 (16.13%) Network Security
2 2 (6.45%) Firewall
2 2 (6.45%) SD-WAN
2 2 (6.45%) VLAN
3 1 (3.23%) BGP
3 1 (3.23%) Cisco Wireless
3 1 (3.23%) HSRP
3 1 (3.23%) Kerberos
3 1 (3.23%) LAN
3 1 (3.23%) OSPF
3 1 (3.23%) TCP/IP
3 1 (3.23%) VPN
3 1 (3.23%) WAN
3 1 (3.23%) Wireless
Database & Business Intelligence
1 5 (16.13%) DynamoDB
2 4 (12.90%) Data Lake
3 3 (9.68%) Amazon RDS
3 3 (9.68%) ClickHouse
3 3 (9.68%) Data Warehouse
3 3 (9.68%) OLAP
3 3 (9.68%) OLTP
3 3 (9.68%) Power BI
3 3 (9.68%) SQL Server
3 3 (9.68%) SQL Server Analysis Services
4 2 (6.45%) Amazon Redshift
4 2 (6.45%) Data Hub
4 2 (6.45%) Metadata
4 2 (6.45%) SQL CLR
4 2 (6.45%) SQL Server Reporting Services
5 1 (3.23%) Apache Hive
5 1 (3.23%) Big Data
5 1 (3.23%) Hadoop
5 1 (3.23%) Kdb+
5 1 (3.23%) Relational Database
Development Applications
1 7 (22.58%) Jenkins
2 1 (3.23%) Bitbucket
2 1 (3.23%) Git
2 1 (3.23%) Visual Studio
General
1 12 (38.71%) Social Skills
2 11 (35.48%) Finance
3 7 (22.58%) Analytical Skills
4 6 (19.35%) Banking
5 2 (6.45%) Back Office
5 2 (6.45%) Front Office
6 1 (3.23%) Automotive
6 1 (3.23%) Law
6 1 (3.23%) Legal
6 1 (3.23%) Public Sector
Job Titles
1 10 (32.26%) Senior
2 6 (19.35%) Developer
2 6 (19.35%) Lead
3 3 (9.68%) Azure Engineer
3 3 (9.68%) Data Engineer
3 3 (9.68%) Infrastructure Engineer
3 3 (9.68%) Network Engineer
3 3 (9.68%) Senior Infrastructure Engineer
4 2 (6.45%) Architect
4 2 (6.45%) Azure Infrastructure Engineer
4 2 (6.45%) Microsoft Developer
4 2 (6.45%) Platform Engineer
4 2 (6.45%) SaaS Developer
4 2 (6.45%) Senior Data Engineer
4 2 (6.45%) Senior Developer
4 2 (6.45%) Senior Microsoft Developer
4 2 (6.45%) Senior SQL Developer
4 2 (6.45%) SQL Developer
5 1 (3.23%) Snowflake Data Engineer
5 1 (3.23%) Snowflake Engineer
Libraries, Frameworks & Software Standards
1 3 (9.68%) Node.js
1 3 (9.68%) Spring
2 1 (3.23%) ARM Templates
2 1 (3.23%) AWS CDK
2 1 (3.23%) JDBC
2 1 (3.23%) Kafka
2 1 (3.23%) LDAP
2 1 (3.23%) OAuth
2 1 (3.23%) OAuth2
2 1 (3.23%) ODBC
2 1 (3.23%) RESTful
2 1 (3.23%) Semantic Kernel
2 1 (3.23%) Ultra Messaging
2 1 (3.23%) Web Services
Miscellaneous
1 6 (19.35%) Cloud Native
2 3 (9.68%) Private Cloud
3 1 (3.23%) Algorithms
3 1 (3.23%) Clustering
3 1 (3.23%) Data Centre
3 1 (3.23%) Derivative
3 1 (3.23%) Distributed Architecture
3 1 (3.23%) Distributed Systems
3 1 (3.23%) Enterprise Software
3 1 (3.23%) Equities
3 1 (3.23%) Foreign Exchange (FX)
3 1 (3.23%) Industrial Internet of Things
3 1 (3.23%) Onboarding
3 1 (3.23%) Operational Technology
3 1 (3.23%) Product Ownership
3 1 (3.23%) Reinsurance
3 1 (3.23%) SCADA
3 1 (3.23%) Security Posture
Operating Systems
1 5 (16.13%) Linux
1 5 (16.13%) Unix
2 3 (9.68%) Windows
3 1 (3.23%) Windows Server
Processes & Methodologies
1 14 (45.16%) CI/CD
2 12 (38.71%) DevOps
3 11 (35.48%) Infrastructure as Code
4 8 (25.81%) Problem-Solving
5 6 (19.35%) Agile
5 6 (19.35%) Disaster Recovery
5 6 (19.35%) Fintech
5 6 (19.35%) Migration
6 5 (16.13%) Data Modelling
6 5 (16.13%) Decision-Making
6 5 (16.13%) Infrastructure Engineering
6 5 (16.13%) Mentoring
6 5 (16.13%) Observability
6 5 (16.13%) Project Management
7 4 (12.90%) AI
7 4 (12.90%) Analytics
7 4 (12.90%) Cybersecurity
7 4 (12.90%) Data-Driven Decision Making
7 4 (12.90%) Identity Access Management
7 4 (12.90%) Performance Optimisation
Programming Languages
1 8 (25.81%) SQL
2 6 (19.35%) Python
3 5 (16.13%) Java
4 3 (9.68%) C++
4 3 (9.68%) T-SQL
4 3 (9.68%) TypeScript
5 2 (6.45%) PowerShell
6 1 (3.23%) Bash
6 1 (3.23%) Bicep
6 1 (3.23%) C#
Qualifications
1 4 (12.90%) Degree
2 2 (6.45%) AWS Certification
2 2 (6.45%) CCNP
2 2 (6.45%) Cisco Certification
2 2 (6.45%) Computer Science Degree
3 1 (3.23%) Azure Certification
3 1 (3.23%) CCIE
3 1 (3.23%) DV Cleared
3 1 (3.23%) JNCIP
3 1 (3.23%) Master's Degree
3 1 (3.23%) MCSE
3 1 (3.23%) Microsoft Certification
3 1 (3.23%) PMI Certification
3 1 (3.23%) PMP
3 1 (3.23%) SC Cleared
3 1 (3.23%) Security Cleared
3 1 (3.23%) SnowPro
Quality Assurance & Compliance
1 4 (12.90%) GDPR
2 3 (9.68%) ISO/IEC 27001
2 3 (9.68%) PCI DSS
2 3 (9.68%) QA
2 3 (9.68%) SLA
3 1 (3.23%) Data Quality
3 1 (3.23%) NIST
3 1 (3.23%) SOC 2
System Software
1 3 (9.68%) Active Directory
1 3 (9.68%) VMware Infrastructure
2 1 (3.23%) Hyper-V
Systems Management
1 6 (19.35%) Terraform
2 5 (16.13%) Ansible
2 5 (16.13%) Prometheus
3 4 (12.90%) Grafana
3 4 (12.90%) Kubernetes
4 3 (9.68%) SCOM
5 2 (6.45%) Failover Clustering
6 1 (3.23%) Argo
6 1 (3.23%) Microsoft Clustering
6 1 (3.23%) Microsoft Intune
Vendors
1 5 (16.13%) Microsoft
2 3 (9.68%) Cisco
2 3 (9.68%) Google
2 3 (9.68%) SolarWinds
2 3 (9.68%) VMware
3 1 (3.23%) Aderant
3 1 (3.23%) Databricks
3 1 (3.23%) Dell
3 1 (3.23%) Fortinet
3 1 (3.23%) iManage
3 1 (3.23%) Intapp
3 1 (3.23%) Juniper
3 1 (3.23%) Meraki
3 1 (3.23%) Oracle
3 1 (3.23%) Palo Alto
3 1 (3.23%) RedGate
3 1 (3.23%) SAP
3 1 (3.23%) ServiceNow
3 1 (3.23%) Solace