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

6 months to
15 Nov 2025
Same period 2024 Same period 2023
Rank 89 89 125
Rank change year-on-year 0 +36 +29
Contract jobs citing High Availability 35 38 25
As % of all contract jobs in the City of London 2.00% 1.79% 0.90%
As % of the Processes & Methodologies category 2.13% 1.96% 1.00%
Number of daily rates quoted 23 24 18
10th Percentile £413 £425 £444
25th Percentile £436 £518 £471
Median daily rate (50th Percentile) £625 £575 £545
Median % change year-on-year +8.70% +5.50% -12.10%
75th Percentile £749 £685 £634
90th Percentile £775 £771 £692
Central London median daily rate £575 £575 £540
% change year-on-year - +6.48% -15.63%

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

Contract vacancies with a requirement for process or methodology skills 1,641 1,942 2,497
As % of all contract IT jobs advertised in the City of London 93.56% 91.47% 89.92%
Number of daily rates quoted 1,147 1,194 1,754
10th Percentile £327 £375 £363
25th Percentile £417 £470 £463
Median daily rate (50th Percentile) £550 £575 £575
Median % change year-on-year -4.35% - -
75th Percentile £675 £688 £690
90th Percentile £763 £788 £800
Central London median daily rate £550 £575 £575
% change year-on-year -4.35% - -
Number of hourly rates quoted 18 16 16
10th Percentile £16.90 £16.25 £15.63
25th Percentile £20.18 £25.38 £17.00
Median hourly rate £27.75 £50.00 £32.75
Median % change year-on-year -44.50% +52.67% -35.15%
75th Percentile £44.63 £112.00 £52.63
90th Percentile £63.75 £137.50 £71.25
Central London median hourly rate £27.04 £35.00 £32.75
% change year-on-year -22.76% +6.87% -24.26%

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 15 November 2025.

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 (2.86%) CICS
1 1 (2.86%) Confluence
1 1 (2.86%) Microsoft Exchange
1 1 (2.86%) SharePoint
Cloud Services
1 14 (40.00%) Azure
2 10 (28.57%) AWS
3 8 (22.86%) GitHub
4 7 (20.00%) GitHub Actions
5 4 (11.43%) AWS CloudFormation
6 3 (8.57%) Azure DevOps
7 2 (5.71%) Amazon CloudWatch
7 2 (5.71%) Amazon EC2
7 2 (5.71%) Amazon EKS
7 2 (5.71%) Amazon S3
7 2 (5.71%) Azure AKS
7 2 (5.71%) Azure Data Factory
7 2 (5.71%) GCP
7 2 (5.71%) Microsoft 365
7 2 (5.71%) Power Automate
7 2 (5.71%) Power Platform
7 2 (5.71%) Virtual Private Cloud
8 1 (2.86%) Azure Storage
8 1 (2.86%) Azure Synapse Analytics
8 1 (2.86%) Azure Table
Communications & Networking
1 3 (8.57%) Firewall
1 3 (8.57%) SSL
1 3 (8.57%) TCP/IP
2 2 (5.71%) DNS
2 2 (5.71%) HTTP
2 2 (5.71%) Multicast
3 1 (2.86%) BGP
3 1 (2.86%) Cisco Nexus
3 1 (2.86%) Ethernet VPN
3 1 (2.86%) IGMP
3 1 (2.86%) NAS
3 1 (2.86%) Network Security
3 1 (2.86%) OSPF
3 1 (2.86%) SAN
3 1 (2.86%) VPN
3 1 (2.86%) VXLAN
Database & Business Intelligence
1 3 (8.57%) PostgreSQL
1 3 (8.57%) SQL Server
2 2 (5.71%) Azure SQL Database
2 2 (5.71%) MySQL
2 2 (5.71%) Oracle Database
2 2 (5.71%) Oracle Exadata
2 2 (5.71%) RDBMS
2 2 (5.71%) Relational Database
3 1 (2.86%) Amazon Aurora
3 1 (2.86%) Amazon RDS
3 1 (2.86%) Apache Cassandra
3 1 (2.86%) CouchDB
3 1 (2.86%) Data Warehouse
3 1 (2.86%) Metadata
3 1 (2.86%) MongoDB
3 1 (2.86%) NoSQL
3 1 (2.86%) Power BI
3 1 (2.86%) Redis
Development Applications
1 5 (14.29%) Git
1 5 (14.29%) Jenkins
2 2 (5.71%) Bitbucket
2 2 (5.71%) Robot Framework
3 1 (2.86%) Artifactory
3 1 (2.86%) GitLab
3 1 (2.86%) JIRA
3 1 (2.86%) JUnit
3 1 (2.86%) SonarQube
3 1 (2.86%) Sonatype Nexus
General
1 19 (54.29%) Finance
2 16 (45.71%) Social Skills
3 11 (31.43%) Analytical Skills
4 4 (11.43%) Banking
5 2 (5.71%) Financial Institution
5 2 (5.71%) Inclusion and Diversity
6 1 (2.86%) Back Office
6 1 (2.86%) Documentation Skills
6 1 (2.86%) Law
6 1 (2.86%) Legal
6 1 (2.86%) Public Sector
Job Titles
1 6 (17.14%) Senior
2 4 (11.43%) Lead
3 3 (8.57%) DevOps Engineer
3 3 (8.57%) Infrastructure Engineer
3 3 (8.57%) Network Engineer
3 3 (8.57%) Site Engineer
3 3 (8.57%) Site Reliability Engineer
4 2 (5.71%) Administrator
4 2 (5.71%) Analyst
4 2 (5.71%) Azure Engineer
4 2 (5.71%) Database Specialist
4 2 (5.71%) DBA
4 2 (5.71%) Java Engineer
4 2 (5.71%) Network Infrastructure Engineer
4 2 (5.71%) PostgreSQL DBA
4 2 (5.71%) PostgreSQL Specialist
4 2 (5.71%) Python Engineer
4 2 (5.71%) Senior Java Engineer
4 2 (5.71%) Technical Analyst
5 1 (2.86%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 4 (11.43%) OAuth
2 3 (8.57%) .NET
3 2 (5.71%) ARM Templates
3 2 (5.71%) JSON
3 2 (5.71%) Spring
3 2 (5.71%) Spring Boot
4 1 (2.86%) .NET Core
4 1 (2.86%) AngularJS
4 1 (2.86%) Apollo GraphQL
4 1 (2.86%) GraphQL
4 1 (2.86%) JWT
4 1 (2.86%) Kafka
4 1 (2.86%) Memcached
4 1 (2.86%) OAuth2
4 1 (2.86%) React Native
4 1 (2.86%) Redux
4 1 (2.86%) REST
4 1 (2.86%) RESTful
4 1 (2.86%) Spring Batch
4 1 (2.86%) Zustand
Miscellaneous
1 4 (11.43%) Replication
2 3 (8.57%) Clustering
2 3 (8.57%) Data Centre
3 2 (5.71%) Distributed Systems
3 2 (5.71%) Mainframe
3 2 (5.71%) Private Cloud
4 1 (2.86%) Credit Risk
4 1 (2.86%) Digital Media
4 1 (2.86%) Foreign Exchange (FX)
4 1 (2.86%) Greenfield Project
4 1 (2.86%) IPTV
4 1 (2.86%) Mobile App
4 1 (2.86%) New Media
4 1 (2.86%) Product Ownership
4 1 (2.86%) Public Cloud
4 1 (2.86%) Self-Motivation
Operating Systems
1 5 (14.29%) Linux
2 3 (8.57%) Red Hat Enterprise Linux
2 3 (8.57%) Unix
3 2 (5.71%) Windows
3 2 (5.71%) zOS
4 1 (2.86%) Android
4 1 (2.86%) Apple iOS
4 1 (2.86%) VMS
Processes & Methodologies
1 15 (42.86%) CI/CD
2 13 (37.14%) DevOps
3 10 (28.57%) Infrastructure as Code
3 10 (28.57%) Problem-Solving
4 8 (22.86%) Containerisation
5 6 (17.14%) Agile
5 6 (17.14%) Microservices
6 5 (14.29%) Data Governance
6 5 (14.29%) Stakeholder Management
7 4 (11.43%) Configuration Management
7 4 (11.43%) Disaster Recovery
7 4 (11.43%) Infrastructure Engineering
7 4 (11.43%) Low Latency
7 4 (11.43%) Observability
7 4 (11.43%) Platform Engineering
7 4 (11.43%) Proactive Monitoring
7 4 (11.43%) Site Reliability Engineering
7 4 (11.43%) Technical Leadership
8 3 (8.57%) Change Management
8 3 (8.57%) Continuous Improvement
Programming Languages
1 14 (40.00%) Python
2 8 (22.86%) SQL
3 7 (20.00%) Bash
4 4 (11.43%) C#
4 4 (11.43%) Java
5 3 (8.57%) PowerShell
6 2 (5.71%) AWK
6 2 (5.71%) Go
6 2 (5.71%) Perl
6 2 (5.71%) PromQL
6 2 (5.71%) sed
6 2 (5.71%) TypeScript
7 1 (2.86%) Assembly Language
7 1 (2.86%) Bicep
7 1 (2.86%) C++
7 1 (2.86%) Kotlin
7 1 (2.86%) Objective-C
7 1 (2.86%) PHP
7 1 (2.86%) REXX
7 1 (2.86%) Swift
Qualifications
1 2 (5.71%) Azure Certification
1 2 (5.71%) SC Cleared
1 2 (5.71%) Security Cleared
2 1 (2.86%) CCIE
2 1 (2.86%) CCNP
2 1 (2.86%) Cisco Certification
2 1 (2.86%) Microsoft Certification
2 1 (2.86%) VCAP
2 1 (2.86%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 1 (2.86%) Data Quality
1 1 (2.86%) GDPR
1 1 (2.86%) HIPAA
1 1 (2.86%) QA
System Software
1 4 (11.43%) Docker
2 2 (5.71%) GPFS
2 2 (5.71%) NFS
2 2 (5.71%) VMware ESXi
2 2 (5.71%) VMware Infrastructure
3 1 (2.86%) Active Directory
3 1 (2.86%) Firmware
3 1 (2.86%) RACF
3 1 (2.86%) Virtual Machines
3 1 (2.86%) VMware NSX
3 1 (2.86%) vSphere
Systems Management
1 13 (37.14%) Terraform
2 10 (28.57%) Ansible
3 5 (14.29%) Kubernetes
4 4 (11.43%) Grafana
4 4 (11.43%) Prometheus
5 2 (5.71%) Istio
5 2 (5.71%) Oracle Enterprise Manager
5 2 (5.71%) vCenter Server
6 1 (2.86%) ITRS Geneos
6 1 (2.86%) Microsoft Intune
6 1 (2.86%) OMEGAMON
6 1 (2.86%) PowerCLI
6 1 (2.86%) Puppet
6 1 (2.86%) Single Sign-On
6 1 (2.86%) vMotion
6 1 (2.86%) ZABBIX
Vendors
1 4 (11.43%) Databricks
1 4 (11.43%) F5
2 3 (8.57%) Microsoft
2 3 (8.57%) Oracle
2 3 (8.57%) Red Hat
2 3 (8.57%) Splunk
3 2 (5.71%) Cisco
3 2 (5.71%) Palo Alto
3 2 (5.71%) VMware
4 1 (2.86%) Arista
4 1 (2.86%) Atlassian
4 1 (2.86%) CheckPoint
4 1 (2.86%) Dynatrace
4 1 (2.86%) Fortinet
4 1 (2.86%) LogicMonitor
4 1 (2.86%) MobileIron
4 1 (2.86%) SAP
4 1 (2.86%) SolarWinds
4 1 (2.86%) Tenable