High Availability Contract Job Trends in the City of London

High Availability
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring High Availability skills. It covers contract job vacancies from the 6 months leading up to 4 January 2026, with comparisons to the same periods in the previous two years.

6 months to
4 Jan 2026
Same period 2025 Same period 2024
Rank 96 70 118
Rank change year-on-year -26 +48 +11
Contract jobs citing High Availability 28 46 20
As % of all contract jobs in the City of London 1.53% 2.34% 0.82%
As % of the Processes & Methodologies category 1.70% 2.54% 0.92%
Number of daily rates quoted 20 28 14
10th Percentile £413 £397 £463
25th Percentile £441 £505 £499
Median daily rate (50th Percentile) £563 £575 £575
Median % change year-on-year -2.17% - -4.17%
75th Percentile £756 £682 £675
90th Percentile £829 £718 £710
Central London median daily rate £563 £575 £575
% change year-on-year -2.17% - -6.12%

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 contract job vacancies requiring process or methodology skills in the City of London.

Contract vacancies with a requirement for process or methodology skills 1,650 1,808 2,182
As % of all contract IT jobs advertised in the City of London 90.21% 92.01% 89.28%
Number of daily rates quoted 1,158 1,100 1,558
10th Percentile £348 £363 £363
25th Percentile £425 £463 £463
Median daily rate (50th Percentile) £533 £575 £575
Median % change year-on-year -7.39% - -2.13%
75th Percentile £675 £688 £688
90th Percentile £763 £788 £800
Central London median daily rate £540 £575 £575
% change year-on-year -6.09% - -
Number of hourly rates quoted 14 13 10
10th Percentile £20.18 £15.60 £17.00
25th Percentile £22.18 £22.00 £17.48
Median hourly rate £31.00 £42.50 £26.25
Median % change year-on-year -27.06% +61.90% -30.46%
75th Percentile £42.47 £112.00 £44.56
90th Percentile £46.05 £132.40 £74.13
Central London median hourly rate £26.11 £35.00 £27.66
% change year-on-year -25.40% +26.56% -20.99%

High Availability
Job Vacancy Trend in the City of London

Historical trend showing the proportion of contract IT job postings citing High Availability relative to all contract IT jobs advertised in the City of London.

High Availability job vacancy trend in the City of London

High Availability
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing High Availability.

Contractor daily rate distribution trend for jobs in the City of London citing High Availability

High Availability
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing High Availability in the City of London over the 6 months to 4 January 2026.

Daily rate histogram for High Availability in the City of London

High Availability
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing High Availability.

Contractor hourly rate distribution trend for jobs in the City of London citing High Availability

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 1 (3.57%) Confluence
1 1 (3.57%) Microsoft Exchange
Applications
1 1 (3.57%) Microsoft Excel
1 1 (3.57%) Microsoft Office
Business Applications
1 1 (3.57%) BASE24
1 1 (3.57%) Payment Gateway
1 1 (3.57%) Veritas eDiscovery
Cloud Services
1 11 (39.29%) Azure
2 10 (35.71%) AWS
3 5 (17.86%) GitHub
3 5 (17.86%) GitHub Actions
4 4 (14.29%) GCP
5 3 (10.71%) Azure DevOps
6 2 (7.14%) Amazon CloudWatch
6 2 (7.14%) Amazon EC2
6 2 (7.14%) Amazon EKS
6 2 (7.14%) Amazon S3
6 2 (7.14%) AWS CloudFormation
6 2 (7.14%) Virtual Private Cloud
7 1 (3.57%) Amazon ECS
7 1 (3.57%) Amazon ELB
7 1 (3.57%) AWS CloudTrail
7 1 (3.57%) Azure AKS
7 1 (3.57%) Azure Data Factory
7 1 (3.57%) Azure Synapse Analytics
7 1 (3.57%) Microsoft 365
7 1 (3.57%) Sumo Logic
Communications & Networking
1 3 (10.71%) SSL
1 3 (10.71%) TCP/IP
2 2 (7.14%) DNS
2 2 (7.14%) Firewall
2 2 (7.14%) HTTP
3 1 (3.57%) Multicast
3 1 (3.57%) NAS
3 1 (3.57%) SAN
3 1 (3.57%) Software-Defined Networking
3 1 (3.57%) Unified Communications
3 1 (3.57%) VPN
Database & Business Intelligence
1 2 (7.14%) MySQL
1 2 (7.14%) RDBMS
1 2 (7.14%) Relational Database
2 1 (3.57%) Amazon Aurora
2 1 (3.57%) Amazon RDS
2 1 (3.57%) Apache Cassandra
2 1 (3.57%) Azure SQL Database
2 1 (3.57%) CouchDB
2 1 (3.57%) Data Warehouse
2 1 (3.57%) Metadata
2 1 (3.57%) MongoDB
2 1 (3.57%) NonStop SQL
2 1 (3.57%) NoSQL
2 1 (3.57%) OLTP
2 1 (3.57%) PostgreSQL
2 1 (3.57%) Redis
2 1 (3.57%) SQL Server
Development Applications
1 7 (25.00%) Jenkins
2 4 (14.29%) Git
3 3 (10.71%) JIRA
4 2 (7.14%) Bitbucket
4 2 (7.14%) Robot Framework
5 1 (3.57%) Artifactory
5 1 (3.57%) GitLab
5 1 (3.57%) Jaeger
5 1 (3.57%) JUnit
5 1 (3.57%) SonarQube
General
1 16 (57.14%) Social Skills
2 14 (50.00%) Finance
3 9 (32.14%) Banking
4 7 (25.00%) Analytical Skills
5 4 (14.29%) Financial Institution
6 3 (10.71%) Presentation Skills
6 3 (10.71%) Public Sector
7 2 (7.14%) Documentation Skills
7 2 (7.14%) Inclusion and Diversity
8 1 (3.57%) Back Office
8 1 (3.57%) Games
8 1 (3.57%) International Banking
8 1 (3.57%) Investment Banking
8 1 (3.57%) Law
8 1 (3.57%) Legal
8 1 (3.57%) Organisational Skills
Job Titles
1 3 (10.71%) Infrastructure Engineer
1 3 (10.71%) Lead
1 3 (10.71%) Network Engineer
1 3 (10.71%) Senior
2 2 (7.14%) Analyst
2 2 (7.14%) Data Engineer
2 2 (7.14%) Developer
2 2 (7.14%) DevOps Engineer
2 2 (7.14%) Java Engineer
2 2 (7.14%) Network Infrastructure Engineer
2 2 (7.14%) Python Engineer
2 2 (7.14%) Senior Java Engineer
3 1 (3.57%) AWS Platform Engineer
3 1 (3.57%) Cloud Platform Engineer
3 1 (3.57%) DevSecOps Consultant
3 1 (3.57%) Finance Business Analyst
3 1 (3.57%) Full-Stack Engineer
3 1 (3.57%) Mobile Architect
3 1 (3.57%) Senior Full-Stack Engineer
3 1 (3.57%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 4 (14.29%) OAuth
2 2 (7.14%) Spring
2 2 (7.14%) Spring Boot
3 1 (3.57%) AngularJS
3 1 (3.57%) Apollo GraphQL
3 1 (3.57%) ARM Templates
3 1 (3.57%) GraphQL
3 1 (3.57%) Hibernate
3 1 (3.57%) JPA
3 1 (3.57%) JSON
3 1 (3.57%) Loki
3 1 (3.57%) Memcached
3 1 (3.57%) OAuth2
3 1 (3.57%) OpenTelemetry
3 1 (3.57%) React
3 1 (3.57%) React Native
3 1 (3.57%) Redux
3 1 (3.57%) RESTful
3 1 (3.57%) Spring Batch
3 1 (3.57%) Web Services
Miscellaneous
1 3 (10.71%) Cloud Native
1 3 (10.71%) Foreign Exchange (FX)
2 2 (7.14%) Derivative
2 2 (7.14%) Fixed Income
2 2 (7.14%) Private Cloud
2 2 (7.14%) Replication
3 1 (3.57%) BYOD
3 1 (3.57%) Credit Risk
3 1 (3.57%) Digital Media
3 1 (3.57%) EMV
3 1 (3.57%) IPTV
3 1 (3.57%) Media Streaming
3 1 (3.57%) Mobile App
3 1 (3.57%) New Media
3 1 (3.57%) Online Games
3 1 (3.57%) Product Ownership
3 1 (3.57%) Public Cloud
3 1 (3.57%) Self-Motivation
3 1 (3.57%) Tandem
Operating Systems
1 5 (17.86%) Linux
1 5 (17.86%) Unix
2 3 (10.71%) Windows
3 1 (3.57%) Android
3 1 (3.57%) Apple iOS
3 1 (3.57%) Red Hat Enterprise Linux
3 1 (3.57%) VMS
3 1 (3.57%) Windows Server
Processes & Methodologies
1 12 (42.86%) DevOps
2 11 (39.29%) CI/CD
3 9 (32.14%) Infrastructure as Code
4 7 (25.00%) Problem-Solving
5 6 (21.43%) Agile
5 6 (21.43%) Containerisation
5 6 (21.43%) Low Latency
6 5 (17.86%) Data Governance
6 5 (17.86%) Infrastructure Engineering
6 5 (17.86%) Platform Engineering
7 4 (14.29%) AI
7 4 (14.29%) Continuous Improvement
7 4 (14.29%) Microservices
7 4 (14.29%) SDLC
7 4 (14.29%) Service Delivery
7 4 (14.29%) Stakeholder Management
8 3 (10.71%) Configuration Management
8 3 (10.71%) Disaster Recovery
8 3 (10.71%) Electronic Trading
8 3 (10.71%) Fintech
Programming Languages
1 11 (39.29%) Python
2 6 (21.43%) SQL
3 4 (14.29%) Java
3 4 (14.29%) Perl
4 2 (7.14%) Bash
4 2 (7.14%) C
4 2 (7.14%) PowerShell
5 1 (3.57%) C#
5 1 (3.57%) C++
5 1 (3.57%) COBOL
5 1 (3.57%) Go
5 1 (3.57%) Kotlin
5 1 (3.57%) Objective-C
5 1 (3.57%) PHP
5 1 (3.57%) Swift
5 1 (3.57%) TypeScript
Qualifications
1 4 (14.29%) SC Cleared
1 4 (14.29%) Security Cleared
2 1 (3.57%) Degree
2 1 (3.57%) MCSA
2 1 (3.57%) MCSE
2 1 (3.57%) Microsoft Certification
2 1 (3.57%) Six Sigma Green Belt
2 1 (3.57%) Six Sigma Yellow Belt
2 1 (3.57%) VCAP
2 1 (3.57%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 2 (7.14%) SLA
2 1 (3.57%) Data Quality
2 1 (3.57%) GDPR
2 1 (3.57%) HIPAA
2 1 (3.57%) ISO 8583
2 1 (3.57%) QA
System Software
1 4 (14.29%) Docker
2 1 (3.57%) Active Directory
2 1 (3.57%) Virtual Machines
2 1 (3.57%) VMware ESXi
2 1 (3.57%) VMware Infrastructure
2 1 (3.57%) VMware NSX
2 1 (3.57%) vSphere
Systems Management
1 10 (35.71%) Ansible
1 10 (35.71%) Terraform
2 3 (10.71%) ITRS Geneos
2 3 (10.71%) Kubernetes
3 2 (7.14%) Grafana
3 2 (7.14%) Prometheus
4 1 (3.57%) Active Directory Federation Services
4 1 (3.57%) Istio
4 1 (3.57%) Microsoft Intune
4 1 (3.57%) PowerCLI
4 1 (3.57%) Puppet
4 1 (3.57%) vCenter Server
4 1 (3.57%) ZABBIX
Vendors
1 4 (14.29%) Databricks
1 4 (14.29%) Splunk
2 3 (10.71%) F5
2 3 (10.71%) Microsoft
3 2 (7.14%) AppDynamics
3 2 (7.14%) Bloomberg
3 2 (7.14%) MarketAxess
3 2 (7.14%) Tradeweb
4 1 (3.57%) Atlassian
4 1 (3.57%) CheckPoint
4 1 (3.57%) Dynatrace
4 1 (3.57%) HP
4 1 (3.57%) Oracle
4 1 (3.57%) Palo Alto
4 1 (3.57%) Red Hat
4 1 (3.57%) SAP
4 1 (3.57%) Tenable
4 1 (3.57%) VMware