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 11 January 2026, with comparisons to the same periods in the previous two years.

6 months to
11 Jan 2026
Same period 2025 Same period 2024
Rank 172 139 194
Rank change year-on-year -33 +55 +45
Contract jobs citing High Availability 205 257 231
As % of all contract jobs in London 1.45% 1.83% 1.27%
As % of the Processes & Methodologies category 1.59% 2.03% 1.43%
Number of daily rates quoted 140 164 173
10th Percentile £363 £341 £313
25th Percentile £425 £475 £480
Median daily rate (50th Percentile) £500 £575 £600
Median % change year-on-year -13.04% -4.17% -
75th Percentile £638 £688 £675
90th Percentile £775 £775 £700
England median daily rate £500 £575 £550
% change year-on-year -13.04% +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 £74.26 £23.80 £88.50
% change year-on-year +212.02% -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 12,887 12,677 16,143
As % of all contract IT jobs advertised in London 91.35% 90.27% 88.91%
Number of daily rates quoted 8,501 8,101 11,545
10th Percentile £350 £350 £350
25th Percentile £425 £450 £455
Median daily rate (50th Percentile) £525 £550 £563
Median % change year-on-year -4.55% -2.22% -5.46%
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 222 155 258
10th Percentile £18.25 £18.94 £16.52
25th Percentile £24.61 £23.99 £19.99
Median hourly rate £32.50 £35.00 £32.50
Median % change year-on-year -7.14% +7.69% -13.33%
75th Percentile £53.59 £54.50 £54.03
90th Percentile £69.30 £80.75 £73.75
England median hourly rate £25.15 £34.75 £42.50
% change year-on-year -27.63% -18.24% +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 11 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 11 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 -30 29 £563 -2.17% 21
West London -14 6 £375 -21.05% 3
South London - 3 £300 - 9
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 (5.37%) Microsoft Exchange
2 3 (1.46%) Apache Spark
2 3 (1.46%) Confluence
2 3 (1.46%) Ethereum
2 3 (1.46%) 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 (2.93%) Microsoft Office
2 1 (0.49%) Microsoft Excel
2 1 (0.49%) Weka
Business Applications
1 7 (3.41%) Veritas eDiscovery
2 6 (2.93%) SAP S/4HANA
3 3 (1.46%) BASE24
3 3 (1.46%) Payment Gateway
4 2 (0.98%) DELMIA
Cloud Services
1 67 (32.68%) AWS
2 57 (27.80%) Azure
3 27 (13.17%) GitHub
4 24 (11.71%) Amazon S3
5 22 (10.73%) GCP
6 20 (9.76%) Serverless
7 19 (9.27%) Amazon CloudWatch
8 18 (8.78%) Virtual Private Cloud
9 17 (8.29%) AWS Lambda
10 15 (7.32%) Amazon EC2
10 15 (7.32%) Azure DevOps
10 15 (7.32%) GitHub Actions
11 14 (6.83%) AWS CloudFormation
12 9 (4.39%) Amazon ECS
12 9 (4.39%) Amazon ELB
12 9 (4.39%) Datadog
12 9 (4.39%) Entra ID
12 9 (4.39%) Microsoft 365
13 8 (3.90%) Amazon EKS
14 7 (3.41%) Google Kubernetes Engine
Communications & Networking
1 31 (15.12%) Firewall
2 24 (11.71%) DNS
3 20 (9.76%) VPN
4 19 (9.27%) TCP/IP
5 16 (7.80%) Network Security
6 14 (6.83%) SSL
7 12 (5.85%) WAN
8 9 (4.39%) LAN
9 8 (3.90%) 4G
9 8 (3.90%) Wireshark
10 7 (3.41%) 3GPP
10 7 (3.41%) HTTP
10 7 (3.41%) LTE
10 7 (3.41%) Multicast
10 7 (3.41%) Radio Access Network
11 6 (2.93%) BGP
11 6 (2.93%) SD-WAN
12 5 (2.44%) DHCP
12 5 (2.44%) OSPF
13 4 (1.95%) VLAN
Database & Business Intelligence
1 13 (6.34%) PostgreSQL
2 12 (5.85%) Oracle Database
3 11 (5.37%) Amazon RDS
3 11 (5.37%) Relational Database
4 9 (4.39%) NoSQL
5 8 (3.90%) MySQL
6 7 (3.41%) Elasticsearch
6 7 (3.41%) MongoDB
7 6 (2.93%) Azure SQL Database
7 6 (2.93%) SQL Server
8 5 (2.44%) SQL Server Integration Services
9 3 (1.46%) Big Data
9 3 (1.46%) Data Warehouse
9 3 (1.46%) DynamoDB
9 3 (1.46%) Metadata
9 3 (1.46%) NonStop SQL
9 3 (1.46%) OLTP
9 3 (1.46%) Oracle Reports
9 3 (1.46%) SQL Server Analysis Services
9 3 (1.46%) SQL Server Reporting Services
Development Applications
1 36 (17.56%) Jenkins
2 24 (11.71%) Git
3 21 (10.24%) GitLab
4 11 (5.37%) JIRA
5 4 (1.95%) Cypress.io
5 4 (1.95%) GCC
5 4 (1.95%) Subversion
5 4 (1.95%) TeamCity
6 3 (1.46%) GDB
6 3 (1.46%) 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%) MSI
8 1 (0.49%) Xcode
General
1 86 (41.95%) Social Skills
2 44 (21.46%) Finance
3 24 (11.71%) Banking
4 23 (11.22%) Analytical Skills
5 19 (9.27%) Public Sector
6 9 (4.39%) Telecoms
7 8 (3.90%) Inclusion and Diversity
8 7 (3.41%) Legal
9 6 (2.93%) Documentation Skills
9 6 (2.93%) Influencing Skills
9 6 (2.93%) Retail
10 5 (2.44%) Financial Institution
11 4 (1.95%) Investment Banking
11 4 (1.95%) Manufacturing
11 4 (1.95%) Presentation Skills
12 3 (1.46%) International Banking
12 3 (1.46%) Law
12 3 (1.46%) Organisational Skills
13 2 (0.98%) Digital Healthcare
13 2 (0.98%) Front Office
Job Titles
1 23 (11.22%) Developer
1 23 (11.22%) DevOps Engineer
1 23 (11.22%) Senior
2 17 (8.29%) Lead
3 15 (7.32%) Administrator
4 13 (6.34%) Architect
5 12 (5.85%) Network Engineer
6 10 (4.88%) DBA
6 10 (4.88%) Infrastructure Engineer
6 10 (4.88%) Linux Administrator
7 9 (4.39%) Consultant
7 9 (4.39%) Senior DevOps
7 9 (4.39%) Senior DevOps Engineer
8 8 (3.90%) Java Engineer
8 8 (3.90%) Microsoft 365 Engineer
9 7 (3.41%) Cloud Engineer
9 7 (3.41%) Network Design Specialist
9 7 (3.41%) Network Specialist
9 7 (3.41%) Performance Specialist
10 5 (2.44%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 15 (7.32%) RESTful
2 14 (6.83%) REST
2 14 (6.83%) Spring
3 11 (5.37%) OAuth
3 11 (5.37%) Spring Boot
4 10 (4.88%) JSON
4 10 (4.88%) XML
5 8 (3.90%) .NET
5 8 (3.90%) Elastic Stack
5 8 (3.90%) Kafka
6 7 (3.41%) Node.js
7 6 (2.93%) ARM Templates
7 6 (2.93%) FIX Protocol
7 6 (2.93%) Middleware
8 5 (2.44%) AngularJS
8 5 (2.44%) OAuth2
9 4 (1.95%) Hibernate
9 4 (1.95%) JPA
9 4 (1.95%) OpenTelemetry
9 4 (1.95%) Ultra Messaging
Miscellaneous
1 34 (16.59%) Cloud Native
2 19 (9.27%) Replication
3 14 (6.83%) Distributed Systems
3 14 (6.83%) Hybrid Cloud
4 8 (3.90%) Clustering
4 8 (3.90%) Foreign Exchange (FX)
5 7 (3.41%) BYOD
5 7 (3.41%) Data Centre
6 5 (2.44%) Algorithms
7 4 (1.95%) Distributed Architecture
7 4 (1.95%) Onboarding
7 4 (1.95%) Private Cloud
7 4 (1.95%) Product Ownership
7 4 (1.95%) Self-Motivation
8 3 (1.46%) Blockchain
8 3 (1.46%) DataPower
8 3 (1.46%) Fixed Income
8 3 (1.46%) Linux Command Line
8 3 (1.46%) Public Cloud
8 3 (1.46%) Tandem
Operating Systems
1 45 (21.95%) Linux
2 17 (8.29%) Windows
3 11 (5.37%) Red Hat Enterprise Linux
4 9 (4.39%) Unix
5 8 (3.90%) VMS
5 8 (3.90%) Windows Server
6 6 (2.93%) Solaris
7 4 (1.95%) CentOS
7 4 (1.95%) 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 91 (44.39%) DevOps
2 83 (40.49%) CI/CD
3 56 (27.32%) Problem-Solving
4 55 (26.83%) Infrastructure as Code
5 40 (19.51%) Agile
5 40 (19.51%) Containerisation
6 37 (18.05%) Disaster Recovery
7 34 (16.59%) Microservices
7 34 (16.59%) Root Cause Analysis
8 28 (13.66%) Continuous Improvement
8 28 (13.66%) Performance Tuning
9 27 (13.17%) Migration
10 26 (12.68%) Observability
11 24 (11.71%) Low Latency
12 22 (10.73%) Incident Response
13 21 (10.24%) Infrastructure Automation
13 21 (10.24%) ITIL
13 21 (10.24%) Stakeholder Management
14 19 (9.27%) Roadmaps
15 18 (8.78%) Data Protection
Programming Languages
1 72 (35.12%) Python
2 37 (18.05%) SQL
3 33 (16.10%) Bash
4 28 (13.66%) PowerShell
5 27 (13.17%) Java
6 12 (5.85%) Perl
7 10 (4.88%) JavaScript
8 8 (3.90%) C#
9 7 (3.41%) Shell Script
10 4 (1.95%) C
10 4 (1.95%) C++
10 4 (1.95%) PL/SQL
11 3 (1.46%) Bicep
11 3 (1.46%) COBOL
11 3 (1.46%) PHP
12 2 (0.98%) Go
13 1 (0.49%) Kotlin
13 1 (0.49%) Objective-C
13 1 (0.49%) Swift
13 1 (0.49%) TypeScript
Qualifications
1 35 (17.07%) Security Cleared
2 27 (13.17%) SC Cleared
3 13 (6.34%) Degree
4 10 (4.88%) AWS Certification
4 10 (4.88%) Microsoft Certification
5 8 (3.90%) Azure Certification
5 8 (3.90%) Cisco Certification
6 7 (3.41%) CCNA
6 7 (3.41%) MCSA
6 7 (3.41%) MCSE
7 6 (2.93%) AWS Certified Solutions Architect
8 5 (2.44%) Computer Science Degree
8 5 (2.44%) ITIL Certification
9 4 (1.95%) CCNP
9 4 (1.95%) DV Cleared
9 4 (1.95%) PMI Certification
9 4 (1.95%) PMP
10 3 (1.46%) AWS Certified DevOps Engineer
11 2 (0.98%) OCP
11 2 (0.98%) Oracle Certification
Quality Assurance & Compliance
1 9 (4.39%) GDPR
2 7 (3.41%) QA
3 6 (2.93%) Sarbanes-Oxley
4 3 (1.46%) ISO 8583
4 3 (1.46%) SLA
5 2 (0.98%) Data Quality
5 2 (0.98%) PCI DSS
6 1 (0.49%) Accessibility
6 1 (0.49%) California Consumer Privacy Act
6 1 (0.49%) HIPAA
6 1 (0.49%) NCSC
System Software
1 47 (22.93%) Docker
2 14 (6.83%) Active Directory
3 12 (5.85%) VMware Infrastructure
4 7 (3.41%) VMware ESXi
5 5 (2.44%) Virtual Machines
5 5 (2.44%) vSphere
6 4 (1.95%) NFS
6 4 (1.95%) Veritas File System
6 4 (1.95%) Veritas Volume Manager
6 4 (1.95%) Virtual Desktop
7 3 (1.46%) Oracle RAC
7 3 (1.46%) 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 58 (28.29%) Terraform
2 49 (23.90%) Kubernetes
3 47 (22.93%) Ansible
4 16 (7.80%) Grafana
5 15 (7.32%) Prometheus
6 11 (5.37%) ITRS Geneos
7 9 (4.39%) Active Directory Federation Services
7 9 (4.39%) Microsoft Intune
8 8 (3.90%) Kibana
9 5 (2.44%) FortiGate
9 5 (2.44%) logstash
9 5 (2.44%) Puppet
9 5 (2.44%) Red Hat Satellite
9 5 (2.44%) vCenter Server
10 4 (1.95%) QRadar
11 3 (1.46%) Argo
11 3 (1.46%) Single Sign-On
12 2 (0.98%) Kubeflow
12 2 (0.98%) Oracle RMAN
12 2 (0.98%) Rancher
Vendors
1 24 (11.71%) Microsoft
2 20 (9.76%) Splunk
3 17 (8.29%) Oracle
4 15 (7.32%) Palo Alto
5 13 (6.34%) F5
5 13 (6.34%) Red Hat
5 13 (6.34%) VMware
6 10 (4.88%) Cisco
7 9 (4.39%) CheckPoint
7 9 (4.39%) Nokia
8 8 (3.90%) Ericsson
9 7 (3.41%) Actix
9 7 (3.41%) SAP
10 6 (2.93%) Databricks
10 6 (2.93%) Google
10 6 (2.93%) Solace
11 5 (2.44%) CyberArk
11 5 (2.44%) Meraki
11 5 (2.44%) Zscaler
12 4 (1.95%) SaltStack