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 14 April 2026, with comparisons to the same periods in the previous two years.

6 months to
14 Apr 2026
Same period 2025 Same period 2024
Rank 104 79 110
Rank change year-on-year -25 +31 +11
Contract jobs citing High Availability 27 40 17
As % of all contract jobs in the City of London 1.23% 2.29% 0.76%
As % of the Processes & Methodologies category 1.42% 2.48% 0.85%
Number of daily rates quoted 19 24 11
10th Percentile £288 £404 £363
25th Percentile £413 £491 £516
Median daily rate (50th Percentile) £563 £563 £580
Median % change year-on-year - -3.02% -7.20%
75th Percentile £681 £682 £708
90th Percentile £847 £734 £800
Central London median daily rate £563 £575 £580
% change year-on-year -2.17% -0.86% -7.20%
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 1,895 1,614 2,000
As % of all contract IT jobs advertised in the City of London 86.57% 92.49% 89.97%
Number of daily rates quoted 1,297 1,035 1,415
10th Percentile £363 £363 £350
25th Percentile £450 £463 £450
Median daily rate (50th Percentile) £550 £575 £575
Median % change year-on-year -4.35% - -4.17%
75th Percentile £670 £676 £688
90th Percentile £775 £775 £806
Central London median daily rate £550 £570 £550
% change year-on-year -3.51% +3.64% -7.56%
Number of hourly rates quoted 25 10 13
10th Percentile - £22.00 £17.39
25th Percentile £18.75 £24.66 £19.92
Median hourly rate £32.07 £32.83 £23.00
Median % change year-on-year -2.32% +42.72% -43.21%
75th Percentile £52.16 £47.50 £40.00
90th Percentile £59.72 £67.38 £48.57
Central London median hourly rate £26.56 £32.83 £27.81
% change year-on-year -19.10% +18.03% -20.54%

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 14 April 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 14 April 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 1 (3.70%) Microsoft Exchange
Applications
1 1 (3.70%) Microsoft Excel
1 1 (3.70%) Microsoft Office
Business Applications
1 1 (3.70%) BASE24
1 1 (3.70%) Payment Gateway
1 1 (3.70%) Veritas eDiscovery
Cloud Services
1 12 (44.44%) Azure
2 10 (37.04%) AWS
3 5 (18.52%) GCP
4 3 (11.11%) Azure DevOps
5 2 (7.41%) AWS CloudFormation
5 2 (7.41%) GitHub
5 2 (7.41%) GitHub Actions
6 1 (3.70%) Azure Data Factory
6 1 (3.70%) Azure ExpressRoute
6 1 (3.70%) Azure Monitor
6 1 (3.70%) Azure Sentinel
6 1 (3.70%) Azure Stack
6 1 (3.70%) Azure Synapse Analytics
6 1 (3.70%) Cloud Computing
6 1 (3.70%) Microsoft 365
6 1 (3.70%) Snowflake
6 1 (3.70%) Vertex AI
Communications & Networking
1 4 (14.81%) Network Security
2 2 (7.41%) Firewall
2 2 (7.41%) VPN
3 1 (3.70%) BGP
3 1 (3.70%) DNS
3 1 (3.70%) IPsec
3 1 (3.70%) NAS
3 1 (3.70%) OSPF
3 1 (3.70%) SAN
3 1 (3.70%) SD-WAN
3 1 (3.70%) Software-Defined Networking
3 1 (3.70%) SSL
3 1 (3.70%) TCP/IP
3 1 (3.70%) Unified Communications
3 1 (3.70%) VLAN
3 1 (3.70%) VSAN
3 1 (3.70%) WAN
Database & Business Intelligence
1 2 (7.41%) PostgreSQL
2 1 (3.70%) Azure SQL Database
2 1 (3.70%) BigQuery
2 1 (3.70%) Data Warehouse
2 1 (3.70%) Metadata
2 1 (3.70%) NonStop SQL
2 1 (3.70%) NoSQL
2 1 (3.70%) OLTP
2 1 (3.70%) Pinecone
2 1 (3.70%) SQL Server
2 1 (3.70%) Weaviate
Development Applications
1 4 (14.81%) Git
1 4 (14.81%) JIRA
2 2 (7.41%) Jenkins
3 1 (3.70%) Jaeger
General
1 13 (48.15%) Social Skills
2 9 (33.33%) Banking
3 8 (29.63%) Finance
4 5 (18.52%) Documentation Skills
5 4 (14.81%) Analytical Skills
5 4 (14.81%) Presentation Skills
6 3 (11.11%) Public Sector
7 2 (7.41%) Financial Institution
8 1 (3.70%) Games
8 1 (3.70%) Inclusion and Diversity
8 1 (3.70%) International Banking
8 1 (3.70%) Investment Banking
8 1 (3.70%) Organisational Skills
Job Titles
1 4 (14.81%) Lead
1 4 (14.81%) Senior
2 2 (7.41%) Analyst
2 2 (7.41%) Consultant
2 2 (7.41%) Data Engineer
2 2 (7.41%) Developer
2 2 (7.41%) Network Engineer
2 2 (7.41%) Python Engineer
3 1 (3.70%) Administrator
3 1 (3.70%) Architect
3 1 (3.70%) Business Analyst
3 1 (3.70%) Business Systems Analyst
3 1 (3.70%) Data Network Engineer
3 1 (3.70%) Migration Engineer
3 1 (3.70%) Network Monitoring Engineer
3 1 (3.70%) Project Manager
3 1 (3.70%) Software Engineer
3 1 (3.70%) Technical Project Manager
3 1 (3.70%) Test Manager
3 1 (3.70%) VMware Engineer
Libraries, Frameworks & Software Standards
1 2 (7.41%) Django
1 2 (7.41%) Kafka
1 2 (7.41%) OAuth
1 2 (7.41%) RabbitMQ
1 2 (7.41%) REST
1 2 (7.41%) Svelte
2 1 (3.70%) AngularJS
2 1 (3.70%) AWS CDK
2 1 (3.70%) JSON
2 1 (3.70%) LangChain
2 1 (3.70%) LangGraph
2 1 (3.70%) Loki
2 1 (3.70%) OpenTelemetry
2 1 (3.70%) React
Miscellaneous
1 5 (18.52%) Cloud Native
2 3 (11.11%) Data Centre
2 3 (11.11%) Distributed Systems
3 2 (7.41%) Derivative
3 2 (7.41%) Fixed Income
3 2 (7.41%) Foreign Exchange (FX)
3 2 (7.41%) Virtual Team
4 1 (3.70%) Anti-Spyware
4 1 (3.70%) BYOD
4 1 (3.70%) Clustering
4 1 (3.70%) Digital Media
4 1 (3.70%) EMV
4 1 (3.70%) Enterprise Software
4 1 (3.70%) IPTV
4 1 (3.70%) Linux Command Line
4 1 (3.70%) Media Streaming
4 1 (3.70%) New Media
4 1 (3.70%) Online Games
4 1 (3.70%) Replication
4 1 (3.70%) Tandem
Operating Systems
1 3 (11.11%) Linux
2 2 (7.41%) Unix
2 2 (7.41%) VMS
2 2 (7.41%) Windows
3 1 (3.70%) Red Hat Enterprise Linux
3 1 (3.70%) SUSE
3 1 (3.70%) Windows Server
Processes & Methodologies
1 10 (37.04%) Infrastructure as Code
2 9 (33.33%) CI/CD
2 9 (33.33%) DevOps
3 7 (25.93%) Agile
4 6 (22.22%) Problem-Solving
4 6 (22.22%) Stakeholder Management
5 5 (18.52%) AI
5 5 (18.52%) ITIL
5 5 (18.52%) Microservices
6 4 (14.81%) Containerisation
6 4 (14.81%) Performance Tuning
6 4 (14.81%) Roadmaps
6 4 (14.81%) Service Delivery
7 3 (11.11%) Continuous Improvement
7 3 (11.11%) Data Governance
7 3 (11.11%) Infrastructure Engineering
7 3 (11.11%) Low Latency
7 3 (11.11%) People Management
7 3 (11.11%) Platform Engineering
7 3 (11.11%) Process Improvement
Programming Languages
1 11 (40.74%) Python
2 6 (22.22%) SQL
3 4 (14.81%) PowerShell
4 2 (7.41%) Perl
4 2 (7.41%) TypeScript
5 1 (3.70%) Bash
5 1 (3.70%) C
5 1 (3.70%) C#
5 1 (3.70%) COBOL
5 1 (3.70%) Go
5 1 (3.70%) Java
5 1 (3.70%) Scala
Qualifications
1 8 (29.63%) Security Cleared
2 7 (25.93%) SC Cleared
3 2 (7.41%) Azure Certification
4 1 (3.70%) AWS Certification
4 1 (3.70%) AWS Certified Solutions Architect
4 1 (3.70%) CCNP
4 1 (3.70%) Cisco Certification
4 1 (3.70%) CISSP
4 1 (3.70%) CompTIA Security+
4 1 (3.70%) Degree
4 1 (3.70%) MCSA
4 1 (3.70%) MCSE
4 1 (3.70%) Microsoft Certification
4 1 (3.70%) Six Sigma Green Belt
4 1 (3.70%) Six Sigma Yellow Belt
4 1 (3.70%) TOGAF Certification
4 1 (3.70%) VCAP
4 1 (3.70%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 3 (11.11%) SLA
2 2 (7.41%) Data Quality
3 1 (3.70%) ISO 8583
3 1 (3.70%) QA
System Software
1 6 (22.22%) Docker
2 3 (11.11%) Virtual Machines
3 2 (7.41%) VMware ESXi
3 2 (7.41%) VMware Infrastructure
3 2 (7.41%) vSphere
4 1 (3.70%) Active Directory
4 1 (3.70%) Firmware
4 1 (3.70%) Hyper-V
4 1 (3.70%) VMware NSX
Systems Management
1 7 (25.93%) Kubernetes
2 6 (22.22%) Terraform
3 5 (18.52%) Ansible
4 2 (7.41%) ITRS Geneos
4 2 (7.41%) vCenter Server
5 1 (3.70%) Active Directory Federation Services
5 1 (3.70%) Failover Clustering
5 1 (3.70%) Grafana
5 1 (3.70%) Microsoft Clustering
5 1 (3.70%) Microsoft Intune
5 1 (3.70%) PowerCLI
5 1 (3.70%) Prometheus
5 1 (3.70%) QRadar
5 1 (3.70%) VxRail
Vendors
1 4 (14.81%) Databricks
1 4 (14.81%) Splunk
2 3 (11.11%) Microsoft
3 2 (7.41%) AppDynamics
3 2 (7.41%) Bloomberg
3 2 (7.41%) MarketAxess
3 2 (7.41%) Tradeweb
3 2 (7.41%) VMware
4 1 (3.70%) Cisco
4 1 (3.70%) Dell
4 1 (3.70%) Denodo
4 1 (3.70%) HP
4 1 (3.70%) Oracle
4 1 (3.70%) Palo Alto
4 1 (3.70%) Remedy
4 1 (3.70%) SAP