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 5 September 2026, with comparisons to the same periods in the previous two years.

6 months to
5 Sep 2026
Same period 2025 Same period 2024
Rank 93 87 107
Rank change year-on-year -6 +20 +30
Contract jobs citing High Availability 46 33 19
As % of all contract jobs in the City of London 2.02% 1.86% 0.93%
As % of the Processes & Methodologies category 2.29% 1.98% 1.01%
Number of daily rates quoted 28 21 12
10th Percentile £175 £500 £426
25th Percentile £286 £550 £497
Median daily rate (50th Percentile) £495 £660 £575
Median % change year-on-year -25.00% +14.78% +5.50%
75th Percentile £673 £760 £678
90th Percentile £715 £775 £796
Central London median daily rate £475 £650 £575
% change year-on-year -26.92% +13.04% +6.48%

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 2,011 1,670 1,885
As % of all contract IT jobs advertised in the City of London 88.28% 94.03% 91.82%
Number of daily rates quoted 1,387 1,101 1,227
10th Percentile £375 £325 £380
25th Percentile £456 £424 £475
Median daily rate (50th Percentile) £550 £550 £575
Median % change year-on-year - -4.35% -4.17%
75th Percentile £675 £675 £688
90th Percentile £775 £775 £788
Central London median daily rate £550 £550 £575
% change year-on-year - -4.35% -4.17%
Number of hourly rates quoted 23 22 16
10th Percentile - £17.35 £15.00
25th Percentile £17.60 £23.98 £19.79
Median hourly rate £21.00 £28.33 £26.63
Median % change year-on-year -25.86% +6.38% -3.18%
75th Percentile £32.05 £53.50 £82.19
90th Percentile £50.59 £63.75 £137.50
Central London median hourly rate £25.07 £29.07 £27.00
% change year-on-year -13.78% +7.67% -1.82%

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 5 September 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 6 (13.04%) Microsoft Exchange
2 2 (4.35%) Confluence
3 1 (2.17%) CMS
Applications
1 1 (2.17%) Microsoft Excel
Business Applications
1 1 (2.17%) Remedy ITSM
Cloud Services
1 8 (17.39%) Azure
2 7 (15.22%) AWS
2 7 (15.22%) Microsoft 365
3 5 (10.87%) Entra ID
4 4 (8.70%) GCP
5 2 (4.35%) Azure ExpressRoute
5 2 (4.35%) Google Kubernetes Engine
5 2 (4.35%) OpenShift
6 1 (2.17%) Akamai
6 1 (2.17%) Amazon EKS
6 1 (2.17%) Azure AKS
6 1 (2.17%) Azure Key Vault
6 1 (2.17%) Azure Monitor
6 1 (2.17%) Azure Stack
6 1 (2.17%) Cloud Run
6 1 (2.17%) CloudFront
6 1 (2.17%) GitHub
6 1 (2.17%) Power Platform
6 1 (2.17%) Rubrik
6 1 (2.17%) SaaS
Communications & Networking
1 8 (17.39%) Firewall
2 7 (15.22%) VPN
3 6 (13.04%) DNS
4 5 (10.87%) DHCP
4 5 (10.87%) Multicast
5 4 (8.70%) Network Security
6 3 (6.52%) BGP
6 3 (6.52%) TCP/IP
7 2 (4.35%) FTP
7 2 (4.35%) HTTPS
7 2 (4.35%) Internet
7 2 (4.35%) LAN
7 2 (4.35%) VLAN
7 2 (4.35%) WAN
8 1 (2.17%) BIG-IP
8 1 (2.17%) Cisco IOS
8 1 (2.17%) F5 BIG-IP GTM
8 1 (2.17%) F5 BIG-IP LTM
8 1 (2.17%) SNMP
8 1 (2.17%) WLAN
Database & Business Intelligence
1 5 (10.87%) SQL Server
2 2 (4.35%) NoSQL
2 2 (4.35%) Oracle Database
2 2 (4.35%) PostgreSQL
2 2 (4.35%) SQL Server Analysis Services
2 2 (4.35%) SQL Server Reporting Services
2 2 (4.35%) SQLPlus
3 1 (2.17%) Azure SQL Database
3 1 (2.17%) Chroma
3 1 (2.17%) Data Warehouse
3 1 (2.17%) Milvus
3 1 (2.17%) Pinecone
3 1 (2.17%) Power BI
3 1 (2.17%) SQL Server Integration Services
3 1 (2.17%) Sybase ASE
3 1 (2.17%) Sybase IQ
Development Applications
1 6 (13.04%) JIRA
2 3 (6.52%) Git
3 2 (4.35%) GitLab
3 2 (4.35%) Jenkins
3 2 (4.35%) JUnit
4 1 (2.17%) Artifactory
General
1 21 (45.65%) Finance
2 17 (36.96%) Social Skills
3 14 (30.43%) Banking
4 8 (17.39%) Analytical Skills
5 3 (6.52%) Front Office
6 2 (4.35%) Financial Institution
7 1 (2.17%) Investment Banking
7 1 (2.17%) Mandarin Language
7 1 (2.17%) Public Sector
Job Titles
1 8 (17.39%) Support Engineer
2 7 (15.22%) Senior
3 6 (13.04%) Developer
4 5 (10.87%) IT Engineer
4 5 (10.87%) IT Support
4 5 (10.87%) IT Support Engineer
5 3 (6.52%) Applications Engineer
5 3 (6.52%) DBA
5 3 (6.52%) DevOps Engineer
5 3 (6.52%) Java Engineer
5 3 (6.52%) Middleware Engineer
6 2 (4.35%) Applications Support
6 2 (4.35%) Applications Support Engineer
6 2 (4.35%) Architect
6 2 (4.35%) Database Developer
6 2 (4.35%) Infrastructure Engineer
6 2 (4.35%) Network Engineer
6 2 (4.35%) Oracle Database Developer
6 2 (4.35%) Oracle Developer
6 2 (4.35%) SQL DBA
Libraries, Frameworks & Software Standards
1 5 (10.87%) Terraform
2 4 (8.70%) .NET
3 3 (6.52%) Middleware
3 3 (6.52%) REST
3 3 (6.52%) Spring
3 3 (6.52%) Spring Boot
4 2 (4.35%) EDI
4 2 (4.35%) FastAPI
4 2 (4.35%) JSON
4 2 (4.35%) Kafka
4 2 (4.35%) SOAP
4 2 (4.35%) XML
5 1 (2.17%) .NET Core
5 1 (2.17%) ASP.NET
5 1 (2.17%) Blazor
5 1 (2.17%) Django
5 1 (2.17%) RabbitMQ
5 1 (2.17%) React
5 1 (2.17%) RESTful
5 1 (2.17%) Svelte
Miscellaneous
1 9 (19.57%) Data Centre
2 6 (13.04%) Replication
3 5 (10.87%) Cloud Native
4 4 (8.70%) Onboarding
4 4 (8.70%) Video Conferencing
5 3 (6.52%) Clustering
5 3 (6.52%) Distributed Systems
5 3 (6.52%) Fixed Income
5 3 (6.52%) Foreign Exchange (FX)
6 2 (4.35%) Hybrid Cloud
7 1 (2.17%) CCTV
7 1 (2.17%) Greenfield Project
7 1 (2.17%) Life Science
7 1 (2.17%) Linux Command Line
7 1 (2.17%) Low-Code
7 1 (2.17%) Mainframe
7 1 (2.17%) Mobile Banking
7 1 (2.17%) PKI
7 1 (2.17%) Self-Motivation
7 1 (2.17%) Virtual Team
Operating Systems
1 12 (26.09%) Windows
2 10 (21.74%) Linux
3 6 (13.04%) Unix
4 4 (8.70%) Mac OS
5 2 (4.35%) VMS
5 2 (4.35%) Windows 10
5 2 (4.35%) Windows Server
6 1 (2.17%) MVS
6 1 (2.17%) Red Hat Enterprise Linux
6 1 (2.17%) SUSE
6 1 (2.17%) zOS
Processes & Methodologies
1 13 (28.26%) Problem-Solving
2 12 (26.09%) Migration
3 11 (23.91%) CI/CD
3 11 (23.91%) DevOps
4 9 (19.57%) Capacity Planning
4 9 (19.57%) Continuous Improvement
4 9 (19.57%) Stakeholder Management
5 8 (17.39%) Disaster Recovery
5 8 (17.39%) Performance Tuning
6 7 (15.22%) Microservices
7 6 (13.04%) Incident Management
7 6 (13.04%) Infrastructure as Code
7 6 (13.04%) Root Cause Analysis
8 5 (10.87%) Collaborative Working
8 5 (10.87%) Identity Management
8 5 (10.87%) Infrastructure Engineering
8 5 (10.87%) Low Latency
8 5 (10.87%) Unit Testing
8 5 (10.87%) Vulnerability Management
9 4 (8.70%) Technical Leadership
Programming Languages
1 15 (32.61%) Python
2 11 (23.91%) SQL
3 8 (17.39%) PowerShell
4 4 (8.70%) Java
5 3 (6.52%) C#
5 3 (6.52%) Shell Script
6 2 (4.35%) ActionScript
6 2 (4.35%) ActionScript 2.0
6 2 (4.35%) C
6 2 (4.35%) PL/SQL
6 2 (4.35%) ProC
7 1 (2.17%) C++
7 1 (2.17%) JCL
7 1 (2.17%) Kotlin
7 1 (2.17%) Perl
7 1 (2.17%) REXX
7 1 (2.17%) TypeScript
7 1 (2.17%) VB
Qualifications
1 12 (26.09%) Security Cleared
2 8 (17.39%) SC Cleared
3 4 (8.70%) Cisco Certification
3 4 (8.70%) Degree
4 3 (6.52%) DV Cleared
5 2 (4.35%) Azure Certification
5 2 (4.35%) CCNP
5 2 (4.35%) Microsoft Certification
6 1 (2.17%) CCIE
6 1 (2.17%) CCIE Routing and Switching
6 1 (2.17%) CCIE Security
6 1 (2.17%) CCNA
6 1 (2.17%) Computer Science Degree
6 1 (2.17%) CWNA
6 1 (2.17%) MCSE
Quality Assurance & Compliance
1 4 (8.70%) QA
2 1 (2.17%) Government Security Classifications
2 1 (2.17%) GRC
2 1 (2.17%) ISO 20022
2 1 (2.17%) SEPA
System Software
1 10 (21.74%) Active Directory
2 5 (10.87%) VMware Infrastructure
3 3 (6.52%) Docker
3 3 (6.52%) vSphere
4 2 (4.35%) Firmware
4 2 (4.35%) VMware ESXi
5 1 (2.17%) Hyper-V
5 1 (2.17%) Oracle RAC
5 1 (2.17%) Virtual Machines
Systems Management
1 5 (10.87%) Ansible
1 5 (10.87%) ITRS Geneos
1 5 (10.87%) Kubernetes
2 4 (8.70%) Microsoft Intune
3 2 (4.35%) Failover Clustering
3 2 (4.35%) Microsoft Clustering
3 2 (4.35%) SCCM
4 1 (2.17%) Argo
4 1 (2.17%) Data Guard
4 1 (2.17%) Grafana
4 1 (2.17%) Prometheus
4 1 (2.17%) SCOM
4 1 (2.17%) Tivoli
4 1 (2.17%) vCenter Server
4 1 (2.17%) VxRail
4 1 (2.17%) ZABBIX
Vendors
1 14 (30.43%) Microsoft
2 5 (10.87%) Cisco
2 5 (10.87%) VMware
3 4 (8.70%) Apple
3 4 (8.70%) Oracle
4 3 (6.52%) Bloomberg
4 3 (6.52%) ServiceNow
4 3 (6.52%) Solace
5 2 (4.35%) Axway
5 2 (4.35%) Dell
5 2 (4.35%) Google
5 2 (4.35%) Refinitiv
5 2 (4.35%) Remedy
5 2 (4.35%) Sitecore
5 2 (4.35%) Software AG
5 2 (4.35%) Splunk
5 2 (4.35%) webMethods
6 1 (2.17%) EMC
6 1 (2.17%) IBM
6 1 (2.17%) Reuters