High Availability Contract Job Trends in London

High Availability
England > London

The table below provides summary statistics and contractor rates for jobs advertised in London requiring High Availability skills. It covers contract job vacancies from the 6 months leading up to 14 January 2026, with comparisons to the same periods in the previous two years.

6 months to
14 Jan 2026
Same period 2025 Same period 2024
Rank 191 136 188
Rank change year-on-year -55 +52 +56
Contract jobs citing High Availability 204 256 222
As % of all contract jobs in London 1.42% 1.83% 1.24%
As % of the Processes & Methodologies category 1.56% 2.03% 1.39%
Number of daily rates quoted 139 162 167
10th Percentile £363 £339 £313
25th Percentile £425 £475 £488
Median daily rate (50th Percentile) £500 £575 £600
Median % change year-on-year -13.04% -4.17% -
75th Percentile £638 £688 £678
90th Percentile £765 £775 £700
England median daily rate £491 £575 £550
% change year-on-year -14.57% +4.55% -2.22%
Number of hourly rates quoted 2 7 3
10th Percentile £23.30 £22.26 £62.00
25th Percentile £23.75 - £72.50
Median hourly rate £24.50 £23.80 £90.00
Median % change year-on-year +2.94% -73.56% +250.06%
75th Percentile £25.25 - £91.88
90th Percentile £25.70 £54.28 £93.00
England median hourly rate £69.63 £23.80 £88.50
% change year-on-year +192.55% -73.11% +244.22%

All Process & Methodology Skills
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 London.

Contract vacancies with a requirement for process or methodology skills 13,078 12,600 15,967
As % of all contract IT jobs advertised in London 91.33% 90.28% 88.90%
Number of daily rates quoted 8,638 8,043 11,412
10th Percentile £350 £350 £350
25th Percentile £425 £450 £450
Median daily rate (50th Percentile) £525 £550 £563
Median % change year-on-year -4.55% -2.22% -6.25%
75th Percentile £650 £675 £675
90th Percentile £750 £800 £788
England median daily rate £500 £525 £538
% change year-on-year -4.76% -2.33% -2.27%
Number of hourly rates quoted 221 153 257
10th Percentile £18.25 £18.60 £16.48
25th Percentile £24.61 £23.80 £19.99
Median hourly rate £32.50 £35.00 £32.50
Median % change year-on-year -7.14% +7.69% -13.33%
75th Percentile £53.75 £53.75 £53.75
90th Percentile £69.36 £80.60 £73.75
England median hourly rate £25.15 £34.50 £42.50
% change year-on-year -27.10% -18.82% +21.43%

High Availability
Job Vacancy Trend in London

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

High Availability job vacancy trend in London

High Availability
Daily Rate Trend in London

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

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

High Availability
Daily Rate Histogram in London

Daily rate distribution for jobs citing High Availability in London over the 6 months to 14 January 2026.

Daily rate histogram for High Availability in London

High Availability
Hourly Rate Trend in London

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

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

High Availability
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing High Availability within the London region over the 6 months to 14 January 2026. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London -31 29 £563 -2.17% 22
West London -14 6 £375 -21.05% 2
South London - 3 £300 - 4
High Availability
England

High Availability
Co-Occurring Skills & Capabilities in 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 11 (5.39%) Microsoft Exchange
2 3 (1.47%) Apache Spark
2 3 (1.47%) Confluence
2 3 (1.47%) Ethereum
2 3 (1.47%) Hyperledger
3 2 (0.98%) Apache
3 2 (0.98%) nginx
3 2 (0.98%) Oracle HTTP Server
3 2 (0.98%) Tomcat
3 2 (0.98%) WebLogic
4 1 (0.49%) Drupal
4 1 (0.49%) OpenStack
4 1 (0.49%) SAS
4 1 (0.49%) SharePoint
4 1 (0.49%) WordPress
Applications
1 6 (2.94%) Microsoft Office
2 1 (0.49%) Microsoft Excel
2 1 (0.49%) Weka
Business Applications
1 7 (3.43%) Veritas eDiscovery
2 6 (2.94%) SAP S/4HANA
3 3 (1.47%) BASE24
3 3 (1.47%) Payment Gateway
4 2 (0.98%) DELMIA
Cloud Services
1 67 (32.84%) AWS
2 57 (27.94%) Azure
3 27 (13.24%) GitHub
4 25 (12.25%) Amazon S3
5 22 (10.78%) GCP
6 21 (10.29%) Serverless
7 18 (8.82%) Amazon CloudWatch
7 18 (8.82%) AWS Lambda
7 18 (8.82%) Virtual Private Cloud
8 15 (7.35%) Amazon EC2
8 15 (7.35%) AWS CloudFormation
8 15 (7.35%) Azure DevOps
8 15 (7.35%) GitHub Actions
9 10 (4.90%) Amazon ECS
10 9 (4.41%) Amazon ELB
10 9 (4.41%) Datadog
10 9 (4.41%) Entra ID
10 9 (4.41%) Microsoft 365
11 8 (3.92%) Amazon EKS
12 7 (3.43%) Google Kubernetes Engine
Communications & Networking
1 31 (15.20%) Firewall
2 24 (11.76%) DNS
3 20 (9.80%) VPN
4 19 (9.31%) TCP/IP
5 16 (7.84%) Network Security
6 14 (6.86%) SSL
7 12 (5.88%) WAN
8 9 (4.41%) LAN
9 8 (3.92%) 4G
9 8 (3.92%) Wireshark
10 7 (3.43%) 3GPP
10 7 (3.43%) HTTP
10 7 (3.43%) LTE
10 7 (3.43%) Multicast
10 7 (3.43%) Radio Access Network
11 6 (2.94%) BGP
11 6 (2.94%) SD-WAN
12 5 (2.45%) DHCP
12 5 (2.45%) OSPF
13 4 (1.96%) Wi-Fi
Database & Business Intelligence
1 14 (6.86%) PostgreSQL
2 12 (5.88%) Oracle Database
3 11 (5.39%) Amazon RDS
3 11 (5.39%) Relational Database
4 8 (3.92%) MySQL
4 8 (3.92%) NoSQL
5 7 (3.43%) Elasticsearch
5 7 (3.43%) SQL Server
6 6 (2.94%) Azure SQL Database
6 6 (2.94%) MongoDB
7 5 (2.45%) SQL Server Integration Services
8 4 (1.96%) Data Warehouse
9 3 (1.47%) Big Data
9 3 (1.47%) DynamoDB
9 3 (1.47%) Hadoop
9 3 (1.47%) NonStop SQL
9 3 (1.47%) OLTP
9 3 (1.47%) Oracle Reports
9 3 (1.47%) SQL Server Analysis Services
9 3 (1.47%) SQL Server Reporting Services
Development Applications
1 36 (17.65%) Jenkins
2 24 (11.76%) Git
3 21 (10.29%) GitLab
4 11 (5.39%) JIRA
5 4 (1.96%) Cypress.io
5 4 (1.96%) GCC
5 4 (1.96%) Subversion
5 4 (1.96%) TeamCity
6 3 (1.47%) GDB
6 3 (1.47%) Robot Framework
7 2 (0.98%) Artifactory
7 2 (0.98%) Bitbucket
7 2 (0.98%) IBM UrbanCode
7 2 (0.98%) JUnit
7 2 (0.98%) MLflow
7 2 (0.98%) SonarQube
7 2 (0.98%) Sonatype Nexus
7 2 (0.98%) Team Foundation Server
8 1 (0.49%) Maven
8 1 (0.49%) MSI
General
1 86 (42.16%) Social Skills
2 44 (21.57%) Finance
3 24 (11.76%) Banking
4 22 (10.78%) Analytical Skills
5 19 (9.31%) Public Sector
6 9 (4.41%) Telecoms
7 8 (3.92%) Inclusion and Diversity
8 7 (3.43%) Legal
9 6 (2.94%) Documentation Skills
9 6 (2.94%) Influencing Skills
9 6 (2.94%) Retail
10 5 (2.45%) Financial Institution
11 4 (1.96%) Investment Banking
11 4 (1.96%) Manufacturing
11 4 (1.96%) Presentation Skills
12 3 (1.47%) International Banking
12 3 (1.47%) Law
12 3 (1.47%) Organisational Skills
13 2 (0.98%) Front Office
13 2 (0.98%) Military
Job Titles
1 23 (11.27%) Developer
1 23 (11.27%) DevOps Engineer
2 22 (10.78%) Senior
3 17 (8.33%) Lead
4 15 (7.35%) Administrator
5 13 (6.37%) Architect
6 12 (5.88%) Network Engineer
7 11 (5.39%) DBA
8 10 (4.90%) Infrastructure Engineer
8 10 (4.90%) Linux Administrator
9 9 (4.41%) Consultant
9 9 (4.41%) Java Engineer
9 9 (4.41%) Senior DevOps
9 9 (4.41%) Senior DevOps Engineer
10 8 (3.92%) Microsoft 365 Engineer
11 7 (3.43%) Cloud Engineer
11 7 (3.43%) Network Design Specialist
11 7 (3.43%) Network Specialist
11 7 (3.43%) Performance Specialist
12 5 (2.45%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 16 (7.84%) RESTful
2 15 (7.35%) Spring
3 14 (6.86%) REST
4 12 (5.88%) Spring Boot
5 11 (5.39%) OAuth
6 10 (4.90%) JSON
6 10 (4.90%) XML
7 8 (3.92%) Elastic Stack
7 8 (3.92%) Kafka
8 7 (3.43%) .NET
9 6 (2.94%) FIX Protocol
9 6 (2.94%) Node.js
10 5 (2.45%) AngularJS
10 5 (2.45%) ARM Templates
10 5 (2.45%) Middleware
10 5 (2.45%) OAuth2
11 4 (1.96%) Hibernate
11 4 (1.96%) JPA
11 4 (1.96%) OpenTelemetry
11 4 (1.96%) Ultra Messaging
Miscellaneous
1 34 (16.67%) Cloud Native
2 19 (9.31%) Replication
3 14 (6.86%) Hybrid Cloud
4 13 (6.37%) Distributed Systems
5 8 (3.92%) Clustering
5 8 (3.92%) Foreign Exchange (FX)
6 7 (3.43%) BYOD
6 7 (3.43%) Data Centre
7 5 (2.45%) Algorithms
8 4 (1.96%) Distributed Architecture
8 4 (1.96%) Onboarding
8 4 (1.96%) Private Cloud
8 4 (1.96%) Product Ownership
8 4 (1.96%) Self-Motivation
9 3 (1.47%) Blockchain
9 3 (1.47%) EMV
9 3 (1.47%) Fixed Income
9 3 (1.47%) Linux Command Line
9 3 (1.47%) Mainframe
9 3 (1.47%) Public Cloud
Operating Systems
1 45 (22.06%) Linux
2 17 (8.33%) Windows
3 11 (5.39%) Red Hat Enterprise Linux
4 9 (4.41%) Unix
5 8 (3.92%) VMS
5 8 (3.92%) Windows Server
6 6 (2.94%) Solaris
7 4 (1.96%) CentOS
7 4 (1.96%) Ubuntu
8 2 (0.98%) Windows Server 2016
9 1 (0.49%) AIX
9 1 (0.49%) Android
9 1 (0.49%) Apple iOS
9 1 (0.49%) Windows Server 2019
Processes & Methodologies
1 90 (44.12%) DevOps
2 83 (40.69%) CI/CD
3 54 (26.47%) Infrastructure as Code
3 54 (26.47%) Problem-Solving
4 41 (20.10%) Containerisation
5 40 (19.61%) Agile
6 37 (18.14%) Disaster Recovery
7 34 (16.67%) Microservices
7 34 (16.67%) Root Cause Analysis
8 28 (13.73%) Continuous Improvement
9 27 (13.24%) Migration
9 27 (13.24%) Performance Tuning
10 25 (12.25%) Observability
11 23 (11.27%) Low Latency
12 22 (10.78%) Incident Response
13 21 (10.29%) Infrastructure Automation
13 21 (10.29%) ITIL
13 21 (10.29%) Stakeholder Management
14 19 (9.31%) Data Protection
14 19 (9.31%) Roadmaps
Programming Languages
1 71 (34.80%) Python
2 36 (17.65%) SQL
3 33 (16.18%) Bash
4 28 (13.73%) PowerShell
5 27 (13.24%) Java
6 12 (5.88%) Perl
7 9 (4.41%) JavaScript
8 7 (3.43%) C#
8 7 (3.43%) Shell Script
9 4 (1.96%) C
9 4 (1.96%) C++
9 4 (1.96%) PL/SQL
10 3 (1.47%) COBOL
10 3 (1.47%) PHP
11 2 (0.98%) Bicep
11 2 (0.98%) Go
12 1 (0.49%) Kotlin
12 1 (0.49%) Swift
12 1 (0.49%) T-SQL
12 1 (0.49%) TypeScript
Qualifications
1 35 (17.16%) Security Cleared
2 27 (13.24%) SC Cleared
3 14 (6.86%) Degree
4 10 (4.90%) Microsoft Certification
5 9 (4.41%) AWS Certification
6 8 (3.92%) Azure Certification
6 8 (3.92%) Cisco Certification
7 7 (3.43%) CCNA
7 7 (3.43%) MCSA
7 7 (3.43%) MCSE
8 6 (2.94%) AWS Certified Solutions Architect
8 6 (2.94%) Computer Science Degree
9 5 (2.45%) ITIL Certification
10 4 (1.96%) CCNP
10 4 (1.96%) DV Cleared
10 4 (1.96%) PMI Certification
10 4 (1.96%) PMP
11 3 (1.47%) AWS Certified DevOps Engineer
12 2 (0.98%) CCIE
12 2 (0.98%) OCP
Quality Assurance & Compliance
1 10 (4.90%) GDPR
2 8 (3.92%) QA
3 6 (2.94%) Sarbanes-Oxley
4 3 (1.47%) ISO 8583
4 3 (1.47%) SLA
5 2 (0.98%) PCI DSS
6 1 (0.49%) Accessibility
6 1 (0.49%) California Consumer Privacy Act
6 1 (0.49%) Data Quality
6 1 (0.49%) HIPAA
6 1 (0.49%) NCSC
System Software
1 47 (23.04%) Docker
2 14 (6.86%) Active Directory
3 12 (5.88%) VMware Infrastructure
4 7 (3.43%) VMware ESXi
5 5 (2.45%) Virtual Machines
5 5 (2.45%) vSphere
6 4 (1.96%) NFS
6 4 (1.96%) Veritas File System
6 4 (1.96%) Veritas Volume Manager
6 4 (1.96%) Virtual Desktop
7 3 (1.47%) Oracle RAC
7 3 (1.47%) VMware NSX
8 1 (0.49%) Apache ZooKeeper
8 1 (0.49%) GPFS
8 1 (0.49%) HDFS
8 1 (0.49%) Lustre
8 1 (0.49%) Microsoft App-V
8 1 (0.49%) Slurm Workload Manager
Systems Management
1 57 (27.94%) Terraform
2 49 (24.02%) Kubernetes
3 47 (23.04%) Ansible
4 16 (7.84%) Grafana
5 14 (6.86%) Prometheus
6 11 (5.39%) ITRS Geneos
7 9 (4.41%) Active Directory Federation Services
7 9 (4.41%) Microsoft Intune
8 8 (3.92%) Kibana
9 5 (2.45%) FortiGate
9 5 (2.45%) logstash
9 5 (2.45%) Puppet
9 5 (2.45%) Red Hat Satellite
9 5 (2.45%) vCenter Server
10 4 (1.96%) QRadar
11 3 (1.47%) Argo
11 3 (1.47%) Single Sign-On
12 2 (0.98%) Data Guard
12 2 (0.98%) Kubeflow
12 2 (0.98%) Rancher
Vendors
1 24 (11.76%) Microsoft
2 20 (9.80%) Splunk
3 17 (8.33%) Oracle
4 15 (7.35%) Palo Alto
5 13 (6.37%) F5
5 13 (6.37%) Red Hat
5 13 (6.37%) VMware
6 10 (4.90%) Cisco
7 9 (4.41%) CheckPoint
7 9 (4.41%) Nokia
8 8 (3.92%) Ericsson
9 7 (3.43%) Actix
9 7 (3.43%) Databricks
9 7 (3.43%) SAP
10 6 (2.94%) Google
10 6 (2.94%) Solace
11 5 (2.45%) CyberArk
11 5 (2.45%) Meraki
11 5 (2.45%) Zscaler
12 4 (1.96%) SaltStack