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

6 months to
4 Jan 2026
Same period 2025 Same period 2024
Rank 179 146 179
Rank change year-on-year -33 +33 +56
Contract jobs citing High Availability 208 260 238
As % of all contract jobs in London 1.45% 1.82% 1.31%
As % of the Processes & Methodologies category 1.59% 2.01% 1.47%
Number of daily rates quoted 143 167 178
10th Percentile £363 £328 £339
25th Percentile £425 £475 £498
Median daily rate (50th Percentile) £500 £575 £600
Median % change year-on-year -13.04% -4.17% -
75th Percentile £638 £688 £680
90th Percentile £775 £775 £700
England median daily rate £494 £570 £550
% change year-on-year -13.27% +3.64% -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 13,094 12,910 16,178
As % of all contract IT jobs advertised in London 91.52% 90.24% 89.13%
Number of daily rates quoted 8,658 8,267 11,566
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% -4.66%
75th Percentile £650 £675 £675
90th Percentile £750 £800 £788
England median daily rate £500 £525 £540
% change year-on-year -4.76% -2.78% -1.82%
Number of hourly rates quoted 223 160 246
10th Percentile £18.25 £18.09 £17.11
25th Percentile £24.61 £23.80 £20.01
Median hourly rate £32.45 £35.00 £32.60
Median % change year-on-year -7.29% +7.38% -13.08%
75th Percentile £53.44 £54.13 £57.50
90th Percentile £69.24 £80.75 £73.75
England median hourly rate £25.15 £35.00 £43.90
% change year-on-year -28.14% -20.27% +23.66%

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 4 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 4 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 -21 32 £563 -2.17% 74
West London -13 6 £375 -21.05% 39
South London - 3 £300 - 50
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 (5.29%) Microsoft Exchange
2 3 (1.44%) Apache Spark
2 3 (1.44%) Confluence
2 3 (1.44%) Ethereum
2 3 (1.44%) Hyperledger
3 2 (0.96%) Apache
3 2 (0.96%) nginx
3 2 (0.96%) Oracle HTTP Server
3 2 (0.96%) Tomcat
3 2 (0.96%) WebLogic
4 1 (0.48%) Drupal
4 1 (0.48%) OpenStack
4 1 (0.48%) SAS
4 1 (0.48%) SharePoint
4 1 (0.48%) WordPress
Applications
1 7 (3.37%) Microsoft Office
2 2 (0.96%) Microsoft Excel
3 1 (0.48%) Weka
Business Applications
1 7 (3.37%) Veritas eDiscovery
2 6 (2.88%) SAP S/4HANA
3 3 (1.44%) BASE24
3 3 (1.44%) Payment Gateway
4 2 (0.96%) DELMIA
5 1 (0.48%) Eikon
5 1 (0.48%) Eze OMS
5 1 (0.48%) Fidessa
Cloud Services
1 68 (32.69%) AWS
2 58 (27.88%) Azure
3 28 (13.46%) GitHub
4 24 (11.54%) Amazon S3
5 22 (10.58%) GCP
6 20 (9.62%) Amazon CloudWatch
6 20 (9.62%) Serverless
7 18 (8.65%) Virtual Private Cloud
8 17 (8.17%) AWS Lambda
9 16 (7.69%) Azure DevOps
9 16 (7.69%) GitHub Actions
10 15 (7.21%) Amazon EC2
11 14 (6.73%) AWS CloudFormation
12 10 (4.81%) Microsoft 365
13 9 (4.33%) Amazon ECS
13 9 (4.33%) Amazon ELB
13 9 (4.33%) Datadog
14 8 (3.85%) Amazon EKS
14 8 (3.85%) Entra ID
15 7 (3.37%) Google Kubernetes Engine
Communications & Networking
1 32 (15.38%) Firewall
2 26 (12.50%) DNS
3 22 (10.58%) VPN
4 20 (9.62%) TCP/IP
5 16 (7.69%) Network Security
6 14 (6.73%) SSL
7 13 (6.25%) WAN
8 9 (4.33%) LAN
9 8 (3.85%) 4G
9 8 (3.85%) Multicast
9 8 (3.85%) Wireshark
10 7 (3.37%) 3GPP
10 7 (3.37%) HTTP
10 7 (3.37%) LTE
10 7 (3.37%) Radio Access Network
11 6 (2.88%) BGP
11 6 (2.88%) DHCP
11 6 (2.88%) SD-WAN
12 5 (2.40%) OSPF
12 5 (2.40%) VLAN
Database & Business Intelligence
1 14 (6.73%) PostgreSQL
2 12 (5.77%) Relational Database
3 11 (5.29%) Amazon RDS
4 9 (4.33%) NoSQL
4 9 (4.33%) Oracle Database
5 8 (3.85%) MySQL
6 7 (3.37%) Elasticsearch
6 7 (3.37%) MongoDB
7 6 (2.88%) Azure SQL Database
7 6 (2.88%) SQL Server
8 5 (2.40%) SQL Server Integration Services
9 3 (1.44%) Big Data
9 3 (1.44%) Data Warehouse
9 3 (1.44%) DynamoDB
9 3 (1.44%) Hadoop
9 3 (1.44%) OLTP
9 3 (1.44%) Oracle Reports
9 3 (1.44%) RDBMS
9 3 (1.44%) SQL Server Analysis Services
9 3 (1.44%) SQL Server Reporting Services
Development Applications
1 37 (17.79%) Jenkins
2 24 (11.54%) Git
3 21 (10.10%) GitLab
4 11 (5.29%) JIRA
5 5 (2.40%) GCC
6 4 (1.92%) Cypress.io
6 4 (1.92%) GDB
6 4 (1.92%) Subversion
6 4 (1.92%) TeamCity
7 3 (1.44%) Robot Framework
8 2 (0.96%) Artifactory
8 2 (0.96%) Bitbucket
8 2 (0.96%) IBM UrbanCode
8 2 (0.96%) JUnit
8 2 (0.96%) MLflow
8 2 (0.96%) SonarQube
8 2 (0.96%) Sonatype Nexus
8 2 (0.96%) Team Foundation Server
9 1 (0.48%) Android Studio
9 1 (0.48%) Gradle
General
1 88 (42.31%) Social Skills
2 46 (22.12%) Finance
3 26 (12.50%) Banking
4 23 (11.06%) Analytical Skills
5 19 (9.13%) Public Sector
6 9 (4.33%) Telecoms
7 8 (3.85%) Inclusion and Diversity
8 7 (3.37%) Influencing Skills
8 7 (3.37%) Legal
9 6 (2.88%) Documentation Skills
9 6 (2.88%) Retail
10 5 (2.40%) Financial Institution
10 5 (2.40%) Presentation Skills
11 4 (1.92%) Front Office
11 4 (1.92%) International Banking
11 4 (1.92%) Investment Banking
11 4 (1.92%) Manufacturing
12 3 (1.44%) Law
12 3 (1.44%) Organisational Skills
13 2 (0.96%) Digital Healthcare
Job Titles
1 24 (11.54%) Developer
2 23 (11.06%) DevOps Engineer
2 23 (11.06%) Senior
3 18 (8.65%) Lead
4 14 (6.73%) Architect
5 13 (6.25%) Administrator
6 12 (5.77%) Network Engineer
7 10 (4.81%) Infrastructure Engineer
8 9 (4.33%) Consultant
8 9 (4.33%) DBA
8 9 (4.33%) Senior DevOps
8 9 (4.33%) Senior DevOps Engineer
9 8 (3.85%) Java Engineer
9 8 (3.85%) Linux Administrator
9 8 (3.85%) Microsoft 365 Engineer
10 7 (3.37%) Cloud Engineer
10 7 (3.37%) Network Design Specialist
10 7 (3.37%) Network Specialist
10 7 (3.37%) Performance Specialist
11 6 (2.88%) Support Engineer
Libraries, Frameworks & Software Standards
1 16 (7.69%) RESTful
2 15 (7.21%) Spring
3 14 (6.73%) REST
4 12 (5.77%) Spring Boot
5 11 (5.29%) OAuth
6 10 (4.81%) JSON
6 10 (4.81%) XML
7 8 (3.85%) .NET
7 8 (3.85%) Elastic Stack
7 8 (3.85%) Kafka
8 7 (3.37%) FIX Protocol
8 7 (3.37%) Middleware
8 7 (3.37%) Node.js
9 6 (2.88%) ARM Templates
9 6 (2.88%) OAuth2
10 5 (2.40%) AngularJS
11 4 (1.92%) Boost C++ Libraries
11 4 (1.92%) JPA
11 4 (1.92%) STL
11 4 (1.92%) Ultra Messaging
Miscellaneous
1 35 (16.83%) Cloud Native
2 20 (9.62%) Replication
3 14 (6.73%) Distributed Systems
3 14 (6.73%) Hybrid Cloud
4 9 (4.33%) Data Centre
4 9 (4.33%) Foreign Exchange (FX)
5 8 (3.85%) Clustering
6 7 (3.37%) BYOD
7 5 (2.40%) Distributed Architecture
7 5 (2.40%) Product Ownership
8 4 (1.92%) Algorithms
8 4 (1.92%) Onboarding
8 4 (1.92%) Private Cloud
8 4 (1.92%) Public Cloud
8 4 (1.92%) Self-Motivation
9 3 (1.44%) Blockchain
9 3 (1.44%) EMV
9 3 (1.44%) Fixed Income
9 3 (1.44%) Linux Command Line
9 3 (1.44%) Tandem
Operating Systems
1 43 (20.67%) Linux
2 17 (8.17%) Windows
3 11 (5.29%) Red Hat Enterprise Linux
4 9 (4.33%) Unix
5 8 (3.85%) VMS
6 7 (3.37%) Windows Server
7 5 (2.40%) Solaris
8 4 (1.92%) CentOS
8 4 (1.92%) Ubuntu
9 2 (0.96%) Android
9 2 (0.96%) Apple iOS
9 2 (0.96%) Windows Server 2016
10 1 (0.48%) AIX
10 1 (0.48%) Windows 10
10 1 (0.48%) Windows Server 2019
Processes & Methodologies
1 93 (44.71%) DevOps
2 85 (40.87%) CI/CD
3 58 (27.88%) Problem-Solving
4 56 (26.92%) Infrastructure as Code
5 42 (20.19%) Containerisation
6 40 (19.23%) Agile
7 36 (17.31%) Disaster Recovery
8 34 (16.35%) Microservices
8 34 (16.35%) Root Cause Analysis
9 28 (13.46%) Continuous Improvement
10 27 (12.98%) Migration
10 27 (12.98%) Observability
10 27 (12.98%) Performance Tuning
11 26 (12.50%) Low Latency
12 23 (11.06%) Incident Response
13 21 (10.10%) Infrastructure Automation
13 21 (10.10%) ITIL
13 21 (10.10%) Stakeholder Management
14 19 (9.13%) Roadmaps
15 18 (8.65%) Risk Management
Programming Languages
1 73 (35.10%) Python
2 36 (17.31%) SQL
3 34 (16.35%) Bash
4 29 (13.94%) PowerShell
5 28 (13.46%) Java
6 12 (5.77%) Perl
7 10 (4.81%) JavaScript
8 8 (3.85%) C#
9 7 (3.37%) Shell Script
10 5 (2.40%) C++
11 4 (1.92%) C
12 3 (1.44%) Bicep
12 3 (1.44%) COBOL
12 3 (1.44%) PHP
12 3 (1.44%) PL/SQL
13 2 (0.96%) Go
13 2 (0.96%) Kotlin
13 2 (0.96%) Objective-C
13 2 (0.96%) Swift
13 2 (0.96%) TypeScript
Qualifications
1 33 (15.87%) Security Cleared
2 25 (12.02%) SC Cleared
3 13 (6.25%) Degree
4 10 (4.81%) AWS Certification
4 10 (4.81%) Microsoft Certification
5 8 (3.85%) Azure Certification
5 8 (3.85%) Cisco Certification
6 7 (3.37%) CCNA
6 7 (3.37%) MCSA
6 7 (3.37%) MCSE
7 6 (2.88%) AWS Certified Solutions Architect
8 5 (2.40%) Computer Science Degree
8 5 (2.40%) ITIL Certification
9 4 (1.92%) CCNP
9 4 (1.92%) DV Cleared
9 4 (1.92%) PMI Certification
9 4 (1.92%) PMP
10 3 (1.44%) AWS Certified DevOps Engineer
11 2 (0.96%) CCIE
11 2 (0.96%) OCP
Quality Assurance & Compliance
1 8 (3.85%) GDPR
2 7 (3.37%) QA
3 5 (2.40%) Sarbanes-Oxley
4 4 (1.92%) SLA
5 3 (1.44%) ISO 8583
5 3 (1.44%) PCI DSS
6 2 (0.96%) Data Quality
7 1 (0.48%) Accessibility
7 1 (0.48%) California Consumer Privacy Act
7 1 (0.48%) HIPAA
7 1 (0.48%) NCSC
7 1 (0.48%) NIST
System Software
1 48 (23.08%) Docker
2 14 (6.73%) Active Directory
3 13 (6.25%) VMware Infrastructure
4 7 (3.37%) VMware ESXi
5 6 (2.88%) vSphere
6 5 (2.40%) Virtual Machines
7 4 (1.92%) NFS
7 4 (1.92%) Veritas File System
7 4 (1.92%) Veritas Volume Manager
7 4 (1.92%) Virtual Desktop
7 4 (1.92%) VMware NSX
8 1 (0.48%) Apache ZooKeeper
8 1 (0.48%) GPFS
8 1 (0.48%) HDFS
8 1 (0.48%) Lustre
8 1 (0.48%) Microsoft App-V
8 1 (0.48%) Oracle RAC
8 1 (0.48%) Slurm Workload Manager
Systems Management
1 59 (28.37%) Terraform
2 50 (24.04%) Kubernetes
3 47 (22.60%) Ansible
4 17 (8.17%) Grafana
5 15 (7.21%) Prometheus
6 11 (5.29%) ITRS Geneos
7 9 (4.33%) Microsoft Intune
8 8 (3.85%) Active Directory Federation Services
8 8 (3.85%) Kibana
9 5 (2.40%) FortiGate
9 5 (2.40%) logstash
9 5 (2.40%) Puppet
9 5 (2.40%) Red Hat Satellite
9 5 (2.40%) vCenter Server
10 4 (1.92%) QRadar
11 3 (1.44%) Argo
12 2 (0.96%) Kubeflow
12 2 (0.96%) Rancher
12 2 (0.96%) SCCM
12 2 (0.96%) Single Sign-On
Vendors
1 25 (12.02%) Microsoft
2 20 (9.62%) Splunk
3 15 (7.21%) Palo Alto
4 14 (6.73%) Oracle
4 14 (6.73%) VMware
5 13 (6.25%) F5
5 13 (6.25%) Red Hat
6 10 (4.81%) Cisco
7 9 (4.33%) CheckPoint
7 9 (4.33%) Nokia
8 8 (3.85%) Ericsson
9 7 (3.37%) Actix
9 7 (3.37%) SAP
9 7 (3.37%) Solace
10 6 (2.88%) Databricks
11 5 (2.40%) CyberArk
11 5 (2.40%) Google
11 5 (2.40%) Meraki
11 5 (2.40%) Zscaler
12 4 (1.92%) Fortinet