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 31 December 2025, with comparisons to the same periods in the previous two years.

6 months to
31 Dec 2025
Same period 2024 Same period 2023
Rank 188 145 184
Rank change year-on-year -43 +39 +52
Contract jobs citing High Availability 207 268 238
As % of all contract jobs in London 1.44% 1.82% 1.31%
As % of the Processes & Methodologies category 1.57% 2.02% 1.47%
Number of daily rates quoted 142 173 178
10th Percentile £364 £309 £339
25th Percentile £425 £463 £502
Median daily rate (50th Percentile) £500 £575 £600
Median % change year-on-year -13.04% -4.17% -
75th Percentile £650 £680 £680
90th Percentile £775 £775 £700
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -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 13,174 13,286 16,213
As % of all contract IT jobs advertised in London 91.50% 90.14% 89.12%
Number of daily rates quoted 8,690 8,522 11,607
10th Percentile £350 £350 £350
25th Percentile £425 £450 £454
Median daily rate (50th Percentile) £525 £550 £563
Median % change year-on-year -4.55% -2.22% -4.66%
75th Percentile £650 £675 £675
90th Percentile £758 £800 £788
England median daily rate £500 £525 £540
% change year-on-year -4.76% -2.78% -1.82%
Number of hourly rates quoted 226 164 241
10th Percentile £18.25 £18.15 £17.75
25th Percentile £24.65 £23.80 £20.00
Median hourly rate £31.58 £35.00 £32.50
Median % change year-on-year -9.79% +7.69% -13.33%
75th Percentile £53.75 £55.06 £58.75
90th Percentile £69.06 £80.75 £73.75
England median hourly rate £25.15 £35.00 £45.00
% change year-on-year -28.14% -22.22% +25.00%

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 31 December 2025.

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 31 December 2025. 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 -19 30 £556 -3.26% 54
West London -12 8 £375 -21.05% 2
South London - 5 £300 - 14
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 8 (3.86%) Microsoft Exchange
2 4 (1.93%) Apache Spark
3 3 (1.45%) Apache
3 3 (1.45%) Confluence
3 3 (1.45%) Ethereum
3 3 (1.45%) Hyperledger
4 2 (0.97%) nginx
4 2 (0.97%) Oracle HTTP Server
4 2 (0.97%) Tomcat
4 2 (0.97%) WebLogic
5 1 (0.48%) Apache Airflow
5 1 (0.48%) Drupal
5 1 (0.48%) OpenStack
5 1 (0.48%) SAS
5 1 (0.48%) SharePoint
5 1 (0.48%) WordPress
Applications
1 5 (2.42%) Microsoft Office
2 2 (0.97%) Microsoft Excel
3 1 (0.48%) Weka
Business Applications
1 6 (2.90%) SAP S/4HANA
2 5 (2.42%) Veritas eDiscovery
3 3 (1.45%) BASE24
3 3 (1.45%) Payment Gateway
4 1 (0.48%) DELMIA
4 1 (0.48%) Eikon
4 1 (0.48%) Eze OMS
4 1 (0.48%) Fidessa
Cloud Services
1 66 (31.88%) AWS
2 57 (27.54%) Azure
3 26 (12.56%) GitHub
4 23 (11.11%) Amazon S3
4 23 (11.11%) GCP
5 20 (9.66%) Amazon CloudWatch
5 20 (9.66%) Serverless
6 18 (8.70%) Virtual Private Cloud
7 17 (8.21%) AWS Lambda
8 15 (7.25%) Amazon EC2
9 14 (6.76%) Azure DevOps
9 14 (6.76%) GitHub Actions
10 13 (6.28%) AWS CloudFormation
11 9 (4.35%) Amazon ECS
11 9 (4.35%) Amazon ELB
11 9 (4.35%) Datadog
12 8 (3.86%) Amazon EKS
12 8 (3.86%) Entra ID
12 8 (3.86%) Microsoft 365
13 7 (3.38%) Google Kubernetes Engine
Communications & Networking
1 34 (16.43%) Firewall
2 27 (13.04%) DNS
3 22 (10.63%) TCP/IP
3 22 (10.63%) VPN
4 15 (7.25%) Network Security
4 15 (7.25%) SSL
5 12 (5.80%) WAN
6 11 (5.31%) Wireshark
7 10 (4.83%) Multicast
8 9 (4.35%) HTTP
9 8 (3.86%) 4G
9 8 (3.86%) BGP
9 8 (3.86%) LAN
10 7 (3.38%) 3GPP
10 7 (3.38%) DHCP
10 7 (3.38%) LTE
10 7 (3.38%) OSPF
10 7 (3.38%) Radio Access Network
11 6 (2.90%) SD-WAN
12 4 (1.93%) Cisco ISE
Database & Business Intelligence
1 14 (6.76%) PostgreSQL
2 12 (5.80%) Relational Database
3 10 (4.83%) Amazon RDS
4 9 (4.35%) NoSQL
5 8 (3.86%) MySQL
6 7 (3.38%) Elasticsearch
6 7 (3.38%) MongoDB
6 7 (3.38%) Oracle Database
7 6 (2.90%) SQL Server
8 5 (2.42%) Azure SQL Database
9 4 (1.93%) SQL Server Integration Services
10 3 (1.45%) Big Data
10 3 (1.45%) Data Warehouse
10 3 (1.45%) DynamoDB
10 3 (1.45%) Hadoop
10 3 (1.45%) Metadata
10 3 (1.45%) NonStop SQL
10 3 (1.45%) OLTP
10 3 (1.45%) SQL Server Analysis Services
10 3 (1.45%) SQL Server Reporting Services
Development Applications
1 38 (18.36%) Jenkins
2 25 (12.08%) Git
3 21 (10.14%) GitLab
4 10 (4.83%) JIRA
5 6 (2.90%) GCC
6 5 (2.42%) GDB
7 4 (1.93%) Cypress.io
7 4 (1.93%) Robot Framework
7 4 (1.93%) Subversion
7 4 (1.93%) TeamCity
8 3 (1.45%) MLflow
9 2 (0.97%) Artifactory
9 2 (0.97%) Bitbucket
9 2 (0.97%) IBM UrbanCode
9 2 (0.97%) JUnit
9 2 (0.97%) SonarQube
9 2 (0.97%) Sonatype Nexus
9 2 (0.97%) Team Foundation Server
10 1 (0.48%) Gradle
10 1 (0.48%) Mocha
General
1 87 (42.03%) Social Skills
2 47 (22.71%) Finance
3 27 (13.04%) Banking
4 23 (11.11%) Analytical Skills
5 18 (8.70%) Public Sector
6 9 (4.35%) Telecoms
7 8 (3.86%) Inclusion and Diversity
8 7 (3.38%) Influencing Skills
9 6 (2.90%) Financial Institution
9 6 (2.90%) Legal
9 6 (2.90%) Retail
10 5 (2.42%) Front Office
10 5 (2.42%) International Banking
10 5 (2.42%) Investment Banking
11 4 (1.93%) Documentation Skills
11 4 (1.93%) Presentation Skills
12 3 (1.45%) Manufacturing
12 3 (1.45%) Organisational Skills
13 2 (0.97%) Law
13 2 (0.97%) Military
Job Titles
1 25 (12.08%) Developer
2 23 (11.11%) Senior
3 22 (10.63%) DevOps Engineer
4 16 (7.73%) Architect
4 16 (7.73%) Lead
5 14 (6.76%) Network Engineer
6 12 (5.80%) Infrastructure Engineer
7 11 (5.31%) Administrator
8 9 (4.35%) Consultant
8 9 (4.35%) Senior DevOps
8 9 (4.35%) Senior DevOps Engineer
9 8 (3.86%) DBA
9 8 (3.86%) Java Engineer
10 7 (3.38%) Linux Administrator
10 7 (3.38%) Network Design Specialist
10 7 (3.38%) Network Specialist
10 7 (3.38%) Performance Specialist
11 6 (2.90%) Microsoft 365 Engineer
11 6 (2.90%) Support Engineer
12 5 (2.42%) Technical Consultant
Libraries, Frameworks & Software Standards
1 17 (8.21%) RESTful
2 15 (7.25%) Spring
3 14 (6.76%) REST
4 12 (5.80%) Spring Boot
5 11 (5.31%) OAuth
6 10 (4.83%) JSON
6 10 (4.83%) Kafka
6 10 (4.83%) XML
7 9 (4.35%) FIX Protocol
7 9 (4.35%) Middleware
8 8 (3.86%) .NET
8 8 (3.86%) Elastic Stack
9 7 (3.38%) Node.js
10 6 (2.90%) ARM Templates
10 6 (2.90%) OAuth2
11 5 (2.42%) AngularJS
11 5 (2.42%) Boost C++ Libraries
11 5 (2.42%) STL
11 5 (2.42%) Ultra Messaging
12 4 (1.93%) Hibernate
Miscellaneous
1 34 (16.43%) Cloud Native
2 20 (9.66%) Replication
3 15 (7.25%) Distributed Systems
4 14 (6.76%) Hybrid Cloud
5 11 (5.31%) Foreign Exchange (FX)
6 8 (3.86%) Clustering
6 8 (3.86%) Data Centre
7 6 (2.90%) Distributed Architecture
8 5 (2.42%) BYOD
8 5 (2.42%) Data Protection Act
8 5 (2.42%) Onboarding
8 5 (2.42%) Private Cloud
8 5 (2.42%) Product Ownership
9 4 (1.93%) Algorithms
9 4 (1.93%) Fixed Income
9 4 (1.93%) Public Cloud
9 4 (1.93%) Self-Motivation
10 3 (1.45%) Blockchain
10 3 (1.45%) Linux Command Line
10 3 (1.45%) Mainframe
Operating Systems
1 46 (22.22%) Linux
2 18 (8.70%) Windows
3 12 (5.80%) Red Hat Enterprise Linux
4 10 (4.83%) Unix
5 8 (3.86%) VMS
5 8 (3.86%) Windows Server
6 5 (2.42%) CentOS
6 5 (2.42%) Solaris
6 5 (2.42%) Ubuntu
7 2 (0.97%) Android
7 2 (0.97%) Apple iOS
7 2 (0.97%) Windows Server 2016
8 1 (0.48%) AIX
8 1 (0.48%) Windows 10
8 1 (0.48%) Windows Server 2019
Processes & Methodologies
1 92 (44.44%) DevOps
2 84 (40.58%) CI/CD
3 56 (27.05%) Problem-Solving
4 55 (26.57%) Infrastructure as Code
5 44 (21.26%) Containerisation
6 40 (19.32%) Agile
7 35 (16.91%) Microservices
8 33 (15.94%) Disaster Recovery
9 32 (15.46%) Root Cause Analysis
10 29 (14.01%) Low Latency
11 28 (13.53%) Continuous Improvement
11 28 (13.53%) Observability
12 27 (13.04%) Performance Tuning
13 25 (12.08%) Migration
14 23 (11.11%) Incident Response
15 22 (10.63%) Infrastructure Automation
16 20 (9.66%) Data Protection
16 20 (9.66%) Infrastructure Engineering
16 20 (9.66%) Stakeholder Management
17 19 (9.18%) ITIL
Programming Languages
1 76 (36.71%) Python
2 36 (17.39%) Bash
3 34 (16.43%) SQL
4 28 (13.53%) Java
4 28 (13.53%) PowerShell
5 13 (6.28%) Perl
6 10 (4.83%) JavaScript
7 8 (3.86%) C#
8 7 (3.38%) Shell Script
9 6 (2.90%) C++
10 4 (1.93%) C
11 3 (1.45%) Bicep
11 3 (1.45%) COBOL
11 3 (1.45%) PHP
12 2 (0.97%) Go
12 2 (0.97%) Objective-C
12 2 (0.97%) PL/SQL
12 2 (0.97%) Scala
12 2 (0.97%) Swift
12 2 (0.97%) TypeScript
Qualifications
1 32 (15.46%) Security Cleared
2 24 (11.59%) SC Cleared
3 12 (5.80%) Degree
4 10 (4.83%) AWS Certification
5 7 (3.38%) Azure Certification
5 7 (3.38%) Cisco Certification
5 7 (3.38%) Microsoft Certification
6 6 (2.90%) AWS Certified Solutions Architect
6 6 (2.90%) CCNA
6 6 (2.90%) Computer Science Degree
7 5 (2.42%) ITIL Certification
7 5 (2.42%) MCSA
7 5 (2.42%) MCSE
8 4 (1.93%) CCNP
8 4 (1.93%) DV Cleared
9 3 (1.45%) AWS Certified DevOps Engineer
9 3 (1.45%) PMI Certification
9 3 (1.45%) PMP
10 2 (0.97%) OCP
10 2 (0.97%) Oracle Certification
Quality Assurance & Compliance
1 8 (3.86%) GDPR
2 7 (3.38%) QA
3 5 (2.42%) Sarbanes-Oxley
4 3 (1.45%) ISO 8583
4 3 (1.45%) PCI DSS
4 3 (1.45%) SLA
5 2 (0.97%) Data Quality
6 1 (0.48%) Accessibility
6 1 (0.48%) California Consumer Privacy Act
6 1 (0.48%) HIPAA
6 1 (0.48%) NCSC
6 1 (0.48%) NIST
System Software
1 50 (24.15%) Docker
2 14 (6.76%) VMware Infrastructure
3 13 (6.28%) Active Directory
4 7 (3.38%) VMware ESXi
5 6 (2.90%) vSphere
6 5 (2.42%) Virtual Machines
7 4 (1.93%) NFS
7 4 (1.93%) Veritas File System
7 4 (1.93%) Veritas Volume Manager
7 4 (1.93%) VMware NSX
8 3 (1.45%) Virtual Desktop
9 1 (0.48%) Apache ZooKeeper
9 1 (0.48%) GPFS
9 1 (0.48%) HDFS
9 1 (0.48%) Hyper-V
9 1 (0.48%) Lustre
9 1 (0.48%) Microsoft App-V
9 1 (0.48%) Oracle RAC
9 1 (0.48%) Slurm Workload Manager
Systems Management
1 62 (29.95%) Terraform
2 52 (25.12%) Kubernetes
3 49 (23.67%) Ansible
4 18 (8.70%) Grafana
5 16 (7.73%) Prometheus
6 12 (5.80%) ITRS Geneos
7 8 (3.86%) Kibana
8 7 (3.38%) FortiGate
8 7 (3.38%) Microsoft Intune
9 6 (2.90%) Active Directory Federation Services
10 5 (2.42%) logstash
10 5 (2.42%) Puppet
10 5 (2.42%) Red Hat Satellite
10 5 (2.42%) vCenter Server
11 4 (1.93%) QRadar
12 3 (1.45%) Argo
13 2 (0.97%) Kubeflow
13 2 (0.97%) Rancher
13 2 (0.97%) SCCM
13 2 (0.97%) Single Sign-On
Vendors
1 22 (10.63%) Microsoft
2 20 (9.66%) Splunk
3 16 (7.73%) F5
4 15 (7.25%) VMware
5 14 (6.76%) Palo Alto
5 14 (6.76%) Red Hat
6 12 (5.80%) Cisco
6 12 (5.80%) Oracle
7 9 (4.35%) CheckPoint
7 9 (4.35%) Nokia
7 9 (4.35%) Solace
8 8 (3.86%) Ericsson
9 7 (3.38%) Actix
9 7 (3.38%) Databricks
9 7 (3.38%) SAP
10 6 (2.90%) Fortinet
10 6 (2.90%) Google
11 5 (2.42%) Meraki
11 5 (2.42%) TIBCO
11 5 (2.42%) Zscaler