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 25 July 2026, with comparisons to the same periods in the previous two years.

6 months to
25 Jul 2026
Same period 2025 Same period 2024
Rank 96 89 107
Rank change year-on-year -7 +18 +24
Contract jobs citing High Availability 43 37 17
As % of all contract jobs in the City of London 1.79% 1.98% 0.82%
As % of the Processes & Methodologies category 2.06% 2.11% 0.89%
Number of daily rates quoted 28 23 10
10th Percentile £175 £438 £359
25th Percentile £285 £525 £427
Median daily rate (50th Percentile) £475 £660 £555
Median % change year-on-year -28.03% +18.92% +0.91%
75th Percentile £670 £750 £763
90th Percentile £715 £772 £920
Central London median daily rate £475 £650 £550
% change year-on-year -26.92% +18.18% -
Number of hourly rates quoted 2 0 0
10th Percentile £57.45 - -
25th Percentile £59.92 - -
Median hourly rate £66.13 - -
75th Percentile £72.49 - -
90th Percentile £75.05 - -
Central London median hourly rate £66.13 £26.45 -
% change year-on-year +150.03% - -

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 2,087 1,756 1,903
As % of all contract IT jobs advertised in the City of London 86.85% 94.05% 91.53%
Number of daily rates quoted 1,410 1,133 1,291
10th Percentile £368 £338 £363
25th Percentile £456 £425 £463
Median daily rate (50th Percentile) £550 £550 £575
Median % change year-on-year - -4.35% -4.17%
75th Percentile £675 £678 £688
90th Percentile £775 £775 £800
Central London median daily rate £550 £550 £575
% change year-on-year - -4.35% -4.17%
Number of hourly rates quoted 29 22 18
10th Percentile £17.60 £17.57 £19.71
25th Percentile £18.75 £24.66 £20.88
Median hourly rate £19.50 £29.75 £33.50
Median % change year-on-year -34.45% -11.19% -10.46%
75th Percentile £41.25 £54.75 £74.38
90th Percentile £60.78 £63.75 £137.50
Central London median hourly rate £23.16 £31.00 £33.00
% change year-on-year -25.29% -6.06% -5.71%

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 25 July 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
Hourly Rate Histogram in the City of London

Hourly rate distribution of jobs citing High Availability in the City of London over the 6 months to 25 July 2026.

Hourly rate 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 5 (11.63%) Microsoft Exchange
2 2 (4.65%) Confluence
Applications
1 1 (2.33%) Microsoft Excel
Business Applications
1 1 (2.33%) Remedy ITSM
Cloud Services
1 11 (25.58%) Azure
2 10 (23.26%) AWS
3 5 (11.63%) Entra ID
3 5 (11.63%) Microsoft 365
4 4 (9.30%) GCP
5 2 (4.65%) Azure ExpressRoute
5 2 (4.65%) OpenShift
6 1 (2.33%) Amazon EKS
6 1 (2.33%) Azure AKS
6 1 (2.33%) Azure DevOps
6 1 (2.33%) Azure Key Vault
6 1 (2.33%) Azure Monitor
6 1 (2.33%) Azure Sentinel
6 1 (2.33%) Azure Stack
6 1 (2.33%) Cloudflare
6 1 (2.33%) Fastly
6 1 (2.33%) Google Kubernetes Engine
6 1 (2.33%) Power Platform
6 1 (2.33%) Snowflake
6 1 (2.33%) Vertex AI
Communications & Networking
1 8 (18.60%) Firewall
2 7 (16.28%) VPN
3 6 (13.95%) DNS
4 4 (9.30%) DHCP
4 4 (9.30%) Multicast
4 4 (9.30%) Network Security
5 3 (6.98%) TCP/IP
6 2 (4.65%) BGP
6 2 (4.65%) FTP
6 2 (4.65%) HTTPS
6 2 (4.65%) LAN
6 2 (4.65%) OSPF
6 2 (4.65%) VLAN
6 2 (4.65%) WAN
7 1 (2.33%) BIG-IP
7 1 (2.33%) EIGRP
7 1 (2.33%) IPsec
7 1 (2.33%) SNMP
7 1 (2.33%) Wireless
7 1 (2.33%) WLAN
Database & Business Intelligence
1 6 (13.95%) SQL Server
2 3 (6.98%) PostgreSQL
3 2 (4.65%) NoSQL
3 2 (4.65%) Oracle Database
3 2 (4.65%) Pinecone
3 2 (4.65%) SQL Server Analysis Services
3 2 (4.65%) SQL Server Reporting Services
3 2 (4.65%) SQLPlus
4 1 (2.33%) Azure SQL Database
4 1 (2.33%) BigQuery
4 1 (2.33%) Power BI
4 1 (2.33%) SQL Server Integration Services
4 1 (2.33%) Weaviate
Development Applications
1 6 (13.95%) JIRA
2 2 (4.65%) Git
2 2 (4.65%) GitLab
2 2 (4.65%) Jenkins
2 2 (4.65%) JUnit
3 1 (2.33%) Artifactory
General
1 17 (39.53%) Finance
2 14 (32.56%) Social Skills
3 10 (23.26%) Banking
4 8 (18.60%) Analytical Skills
5 3 (6.98%) Documentation Skills
6 2 (4.65%) Financial Institution
6 2 (4.65%) Public Sector
7 1 (2.33%) Front Office
7 1 (2.33%) Mandarin Language
7 1 (2.33%) Presentation Skills
Job Titles
1 9 (20.93%) Senior
2 7 (16.28%) Support Engineer
3 5 (11.63%) Developer
4 4 (9.30%) IT Engineer
4 4 (9.30%) IT Support
4 4 (9.30%) IT Support Engineer
5 3 (6.98%) Applications Engineer
5 3 (6.98%) Java Engineer
5 3 (6.98%) Middleware Engineer
6 2 (4.65%) Administrator
6 2 (4.65%) Applications Support
6 2 (4.65%) Applications Support Engineer
6 2 (4.65%) Architect
6 2 (4.65%) Database Developer
6 2 (4.65%) DevOps Engineer
6 2 (4.65%) Network Engineer
6 2 (4.65%) Oracle Database Developer
6 2 (4.65%) Oracle Developer
6 2 (4.65%) SQL DBA
6 2 (4.65%) webMethods Developer
Libraries, Frameworks & Software Standards
1 4 (9.30%) .NET
1 4 (9.30%) REST
2 3 (6.98%) Kafka
2 3 (6.98%) Middleware
2 3 (6.98%) Spring
2 3 (6.98%) Spring Boot
3 2 (4.65%) Django
3 2 (4.65%) EDI
3 2 (4.65%) JSON
3 2 (4.65%) LangChain
3 2 (4.65%) LangGraph
3 2 (4.65%) RabbitMQ
3 2 (4.65%) SOAP
3 2 (4.65%) Svelte
3 2 (4.65%) XML
4 1 (2.33%) .NET Core
4 1 (2.33%) Blazor
4 1 (2.33%) Elastic Stack
4 1 (2.33%) Hugging Face
4 1 (2.33%) LlamaIndex
Miscellaneous
1 7 (16.28%) Data Centre
2 5 (11.63%) Cloud Native
2 5 (11.63%) Distributed Systems
2 5 (11.63%) Replication
3 4 (9.30%) Onboarding
3 4 (9.30%) Video Conferencing
4 3 (6.98%) Clustering
4 3 (6.98%) Fixed Income
4 3 (6.98%) Foreign Exchange (FX)
5 2 (4.65%) Hybrid Cloud
5 2 (4.65%) Virtual Team
6 1 (2.33%) Anti-Spyware
6 1 (2.33%) Enterprise Software
6 1 (2.33%) Linux Command Line
6 1 (2.33%) Low-Code
6 1 (2.33%) Mobile Banking
6 1 (2.33%) PKI
6 1 (2.33%) Self-Motivation
6 1 (2.33%) SWIFT Messaging Network
Operating Systems
1 11 (25.58%) Windows
2 9 (20.93%) Linux
3 5 (11.63%) Unix
4 4 (9.30%) Mac OS
5 2 (4.65%) VMS
5 2 (4.65%) Windows Server
6 1 (2.33%) Red Hat Enterprise Linux
6 1 (2.33%) SUSE
6 1 (2.33%) Windows 10
Processes & Methodologies
1 12 (27.91%) DevOps
1 12 (27.91%) Problem-Solving
2 11 (25.58%) CI/CD
3 8 (18.60%) Capacity Planning
3 8 (18.60%) Continuous Improvement
3 8 (18.60%) Microservices
3 8 (18.60%) Performance Tuning
4 7 (16.28%) Migration
4 7 (16.28%) Stakeholder Management
5 6 (13.95%) Disaster Recovery
5 6 (13.95%) Infrastructure as Code
6 5 (11.63%) Agile
6 5 (11.63%) ITIL
6 5 (11.63%) Root Cause Analysis
6 5 (11.63%) Service Delivery
6 5 (11.63%) Unit Testing
6 5 (11.63%) Vulnerability Management
7 4 (9.30%) Electronic Trading
7 4 (9.30%) Kalman Filter
7 4 (9.30%) Process Improvement
Programming Languages
1 16 (37.21%) Python
2 12 (27.91%) SQL
3 7 (16.28%) PowerShell
4 4 (9.30%) Java
5 3 (6.98%) C#
5 3 (6.98%) Shell Script
6 2 (4.65%) ActionScript
6 2 (4.65%) ActionScript 2.0
6 2 (4.65%) C
6 2 (4.65%) PL/SQL
6 2 (4.65%) ProC
6 2 (4.65%) TypeScript
7 1 (2.33%) C++
7 1 (2.33%) Scala
7 1 (2.33%) VB
Qualifications
1 12 (27.91%) Security Cleared
2 10 (23.26%) SC Cleared
3 4 (9.30%) Cisco Certification
4 3 (6.98%) Azure Certification
4 3 (6.98%) CCNP
4 3 (6.98%) Degree
5 2 (4.65%) DV Cleared
5 2 (4.65%) Microsoft Certification
6 1 (2.33%) AWS Certification
6 1 (2.33%) AWS Certified Solutions Architect
6 1 (2.33%) CCNA
6 1 (2.33%) CISSP
6 1 (2.33%) CompTIA Security+
6 1 (2.33%) CWNA
6 1 (2.33%) MCSE
6 1 (2.33%) TOGAF Certification
Quality Assurance & Compliance
1 5 (11.63%) QA
2 1 (2.33%) Data Quality
2 1 (2.33%) Government Security Classifications
2 1 (2.33%) GRC
2 1 (2.33%) ISO 20022
2 1 (2.33%) SEPA
2 1 (2.33%) SLA
System Software
1 9 (20.93%) Active Directory
2 5 (11.63%) Docker
2 5 (11.63%) VMware Infrastructure
3 3 (6.98%) vSphere
4 2 (4.65%) Firmware
4 2 (4.65%) Virtual Machines
4 2 (4.65%) VMware ESXi
5 1 (2.33%) Hyper-V
5 1 (2.33%) Oracle RAC
Systems Management
1 8 (18.60%) Kubernetes
2 5 (11.63%) ITRS Geneos
3 4 (9.30%) Ansible
3 4 (9.30%) Microsoft Intune
3 4 (9.30%) Terraform
4 2 (4.65%) Microsoft Clustering
5 1 (2.33%) Argo
5 1 (2.33%) Data Guard
5 1 (2.33%) Failover Clustering
5 1 (2.33%) Grafana
5 1 (2.33%) Prometheus
5 1 (2.33%) QRadar
5 1 (2.33%) SCCM
5 1 (2.33%) SCOM
5 1 (2.33%) vCenter Server
5 1 (2.33%) VxRail
5 1 (2.33%) ZABBIX
Vendors
1 12 (27.91%) Microsoft
2 5 (11.63%) VMware
3 4 (9.30%) Apple
3 4 (9.30%) Oracle
4 3 (6.98%) Cisco
4 3 (6.98%) Solace
4 3 (6.98%) Splunk
5 2 (4.65%) Axway
5 2 (4.65%) Palo Alto
5 2 (4.65%) Remedy
5 2 (4.65%) ServiceNow
5 2 (4.65%) Sitecore
5 2 (4.65%) Software AG
5 2 (4.65%) webMethods
6 1 (2.33%) Blue Coat
6 1 (2.33%) BMC
6 1 (2.33%) Commvault
6 1 (2.33%) Dell
6 1 (2.33%) Fortinet
6 1 (2.33%) ION Trading