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 12 March 2026, with comparisons to the same periods in the previous two years.

6 months to
12 Mar 2026
Same period 2025 Same period 2024
Rank 173 138 214
Rank change year-on-year -35 +76 +5
Contract jobs citing High Availability 245 256 183
As % of all contract jobs in London 1.51% 1.98% 1.00%
As % of the Processes & Methodologies category 1.68% 2.18% 1.13%
Number of daily rates quoted 172 168 136
10th Percentile £363 £400 £300
25th Percentile £428 £461 £461
Median daily rate (50th Percentile) £533 £575 £600
Median % change year-on-year -7.39% -4.17% -
75th Percentile £645 £700 £678
90th Percentile £750 £775 £700
England median daily rate £500 £548 £550
% change year-on-year -8.76% -0.36% -
Number of hourly rates quoted 3 3 1
10th Percentile £29.56 - -
25th Percentile £39.40 - £91.25
Median hourly rate £57.77 £23.80 £92.50
Median % change year-on-year +142.71% -74.27% +259.78%
75th Percentile £68.24 - £93.75
90th Percentile £73.34 - -
England median hourly rate £57.77 £23.80 £88.50
% change year-on-year +142.71% -73.11% +32.09%

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 14,548 11,757 16,125
As % of all contract IT jobs advertised in London 89.83% 91.07% 88.24%
Number of daily rates quoted 9,771 7,824 11,523
10th Percentile £350 £350 £338
25th Percentile £425 £450 £450
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -6.78%
75th Percentile £650 £680 £675
90th Percentile £750 £800 £788
England median daily rate £505 £525 £525
% change year-on-year -3.81% - -4.55%
Number of hourly rates quoted 221 159 352
10th Percentile £18.07 £20.36 £16.00
25th Percentile £21.46 £24.66 £19.54
Median hourly rate £35.50 £35.50 £30.00
Median % change year-on-year - +18.33% -16.67%
75th Percentile £56.96 £53.75 £50.00
90th Percentile £70.00 £77.68 £69.95
England median hourly rate £30.00 £34.50 £32.50
% change year-on-year -13.04% +6.15% -9.72%

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 12 March 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
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing High Availability in London over the 6 months to 12 March 2026.

Hourly rate histogram for High Availability in London

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 12 March 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 -45 27 £563 -2.17% 39
South London -10 7 £300 -36.68% 1
West London -17 4 £375 -21.05% 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 16 (6.53%) Microsoft Exchange
2 6 (2.45%) SharePoint
3 3 (1.22%) Apache Spark
3 3 (1.22%) Confluence
3 3 (1.22%) Ethereum
3 3 (1.22%) Hyperledger
4 2 (0.82%) Drupal
4 2 (0.82%) Oracle Workflow
4 2 (0.82%) WordPress
5 1 (0.41%) OpenStack
5 1 (0.41%) SharePoint Server
Applications
1 7 (2.86%) Microsoft Office
2 1 (0.41%) Microsoft Excel
2 1 (0.41%) Weka
Business Applications
1 8 (3.27%) Veritas eDiscovery
2 5 (2.04%) BASE24
2 5 (2.04%) Payment Gateway
3 4 (1.63%) SAP S/4HANA
4 2 (0.82%) DELMIA
Cloud Services
1 97 (39.59%) Azure
2 78 (31.84%) AWS
3 32 (13.06%) GCP
4 31 (12.65%) GitHub
5 27 (11.02%) Azure DevOps
6 26 (10.61%) Entra ID
7 25 (10.20%) AWS CloudFormation
8 22 (8.98%) Amazon S3
9 21 (8.57%) Serverless
10 18 (7.35%) AWS Lambda
10 18 (7.35%) Microsoft 365
11 14 (5.71%) Amazon CloudWatch
11 14 (5.71%) GitHub Actions
12 13 (5.31%) Amazon ECS
12 13 (5.31%) Azure Data Factory
12 13 (5.31%) Azure Monitor
12 13 (5.31%) Azure Synapse Analytics
13 12 (4.90%) Virtual Private Cloud
14 9 (3.67%) Amazon EKS
15 8 (3.27%) Datadog
Communications & Networking
1 28 (11.43%) DNS
2 24 (9.80%) Firewall
3 18 (7.35%) DHCP
4 16 (6.53%) Network Security
5 15 (6.12%) Kerberos
6 13 (5.31%) WAN
7 12 (4.90%) VPN
8 10 (4.08%) LAN
9 8 (3.27%) BGP
10 7 (2.86%) OSPF
11 6 (2.45%) SD-WAN
12 5 (2.04%) NAS
12 5 (2.04%) SAN
12 5 (2.04%) TCP/IP
13 4 (1.63%) Multicast
13 4 (1.63%) VLAN
13 4 (1.63%) Wi-Fi
14 3 (1.22%) LTE
14 3 (1.22%) Wireless
14 3 (1.22%) Wireshark
Database & Business Intelligence
1 22 (8.98%) SQL Server
2 20 (8.16%) Azure SQL Database
3 17 (6.94%) PostgreSQL
4 14 (5.71%) Oracle Database
5 13 (5.31%) Data Lake
6 12 (4.90%) Delta Lake
7 10 (4.08%) Amazon RDS
8 7 (2.86%) SQL Server Integration Services
9 6 (2.45%) MySQL
10 5 (2.04%) MongoDB
10 5 (2.04%) NonStop SQL
10 5 (2.04%) Relational Database
10 5 (2.04%) SQL Server Analysis Services
10 5 (2.04%) SQL Server Reporting Services
11 4 (1.63%) Big Data
11 4 (1.63%) Data Warehouse
11 4 (1.63%) NoSQL
11 4 (1.63%) OLTP
12 3 (1.22%) DynamoDB
12 3 (1.22%) Oracle Reports
Development Applications
1 26 (10.61%) Jenkins
2 24 (9.80%) Git
3 11 (4.49%) GitLab
3 11 (4.49%) JIRA
4 3 (1.22%) GCC
4 3 (1.22%) IBM UrbanCode
4 3 (1.22%) MLflow
4 3 (1.22%) SQL Server Management Studio (SSMS)
4 3 (1.22%) Team Foundation Server
5 2 (0.82%) GDB
5 2 (0.82%) JUnit
5 2 (0.82%) Sonatype Nexus
6 1 (0.41%) Artifactory
6 1 (0.41%) Bitbucket
6 1 (0.41%) Cucumber
6 1 (0.41%) Cypress.io
6 1 (0.41%) Jaeger
6 1 (0.41%) MSI
6 1 (0.41%) SonarQube
6 1 (0.41%) Xcode
General
1 91 (37.14%) Social Skills
2 58 (23.67%) Finance
3 31 (12.65%) Banking
4 24 (9.80%) Analytical Skills
5 20 (8.16%) Public Sector
6 14 (5.71%) Documentation Skills
7 7 (2.86%) Influencing Skills
7 7 (2.86%) Legal
7 7 (2.86%) Presentation Skills
7 7 (2.86%) Retail
8 6 (2.45%) Inclusion and Diversity
8 6 (2.45%) Telecoms
9 5 (2.04%) Manufacturing
10 4 (1.63%) Financial Institution
10 4 (1.63%) Organisational Skills
11 3 (1.22%) International Banking
11 3 (1.22%) Investment Banking
12 2 (0.82%) Billing
12 2 (0.82%) Games
12 2 (0.82%) Law
Job Titles
1 30 (12.24%) Architect
2 25 (10.20%) Developer
3 22 (8.98%) Senior
4 21 (8.57%) Lead
5 18 (7.35%) DBA
6 14 (5.71%) Data Engineer
6 14 (5.71%) DevOps Engineer
7 13 (5.31%) Administrator
7 13 (5.31%) SQL DBA
8 12 (4.90%) Microsoft 365 Engineer
9 10 (4.08%) Platform Engineer
10 9 (3.67%) Consultant
10 9 (3.67%) Java Engineer
11 7 (2.86%) Cloud Engineer
11 7 (2.86%) Network Engineer
11 7 (2.86%) Oracle DBA
12 6 (2.45%) Linux Administrator
13 5 (2.04%) GCP DevOps Engineer
13 5 (2.04%) GCP Engineer
13 5 (2.04%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 20 (8.16%) OAuth
2 18 (7.35%) Spring
3 16 (6.53%) LDAP
4 15 (6.12%) RESTful
4 15 (6.12%) Spring Boot
5 14 (5.71%) SAML
6 12 (4.90%) REST
7 11 (4.49%) Kafka
8 10 (4.08%) PySpark
9 8 (3.27%) .NET
10 7 (2.86%) AngularJS
10 7 (2.86%) Node.js
11 5 (2.04%) ARM Templates
11 5 (2.04%) Elastic Stack
11 5 (2.04%) JSON
11 5 (2.04%) OpenTelemetry
11 5 (2.04%) React
12 4 (1.63%) JPA
12 4 (1.63%) Middleware
12 4 (1.63%) XML
Miscellaneous
1 36 (14.69%) Cloud Native
2 23 (9.39%) Replication
3 16 (6.53%) Distributed Systems
3 16 (6.53%) Hybrid Cloud
4 13 (5.31%) Data Centre
5 11 (4.49%) BYOD
6 8 (3.27%) Clustering
7 7 (2.86%) EMV
8 6 (2.45%) Foreign Exchange (FX)
9 5 (2.04%) Legacy Systems
9 5 (2.04%) Onboarding
9 5 (2.04%) Tandem
10 4 (1.63%) Data Protection Act
10 4 (1.63%) Enterprise Software
10 4 (1.63%) Mainframe
11 3 (1.22%) Blockchain
11 3 (1.22%) DataPower
11 3 (1.22%) Enterprise Storage
11 3 (1.22%) Fixed Income
11 3 (1.22%) NHS
Operating Systems
1 36 (14.69%) Linux
2 31 (12.65%) Windows
3 23 (9.39%) Windows Server
4 8 (3.27%) VMS
5 5 (2.04%) Red Hat Enterprise Linux
6 4 (1.63%) Unix
7 2 (0.82%) CentOS
7 2 (0.82%) Ubuntu
8 1 (0.41%) Android
8 1 (0.41%) Apple iOS
8 1 (0.41%) Data ONTAP
8 1 (0.41%) Solaris
8 1 (0.41%) Windows Server 2016
Processes & Methodologies
1 92 (37.55%) DevOps
2 86 (35.10%) CI/CD
3 76 (31.02%) Disaster Recovery
4 70 (28.57%) Infrastructure as Code
5 61 (24.90%) Problem-Solving
6 42 (17.14%) Agile
6 42 (17.14%) Performance Tuning
7 39 (15.92%) Containerisation
8 34 (13.88%) Microservices
8 34 (13.88%) Root Cause Analysis
9 33 (13.47%) Migration
10 29 (11.84%) Analytics
10 29 (11.84%) Roadmaps
11 27 (11.02%) Observability
12 26 (10.61%) RBAC
13 25 (10.20%) Continuous Improvement
13 25 (10.20%) Identity Access Management
13 25 (10.20%) Task Automation
14 22 (8.98%) ITIL
15 21 (8.57%) Stakeholder Management
Programming Languages
1 64 (26.12%) Python
2 60 (24.49%) SQL
3 49 (20.00%) PowerShell
4 28 (11.43%) Java
5 24 (9.80%) Bash
6 12 (4.90%) Scala
7 9 (3.67%) JavaScript
8 8 (3.27%) C#
9 6 (2.45%) C
9 6 (2.45%) Perl
10 5 (2.04%) Bicep
10 5 (2.04%) COBOL
10 5 (2.04%) Shell Script
11 4 (1.63%) C++
11 4 (1.63%) PHP
11 4 (1.63%) PL/SQL
12 3 (1.22%) TypeScript
13 2 (0.82%) Kotlin
14 1 (0.41%) Cypher
14 1 (0.41%) Swift
Qualifications
1 61 (24.90%) Security Cleared
2 49 (20.00%) SC Cleared
3 16 (6.53%) Degree
3 16 (6.53%) Microsoft Certification
4 14 (5.71%) AWS Certification
4 14 (5.71%) Azure Certification
5 9 (3.67%) Cisco Certification
6 8 (3.27%) DV Cleared
6 8 (3.27%) MCSA
6 8 (3.27%) MCSE
7 7 (2.86%) AWS Certified Solutions Architect
7 7 (2.86%) CCNA
8 6 (2.45%) CCNP
9 5 (2.04%) Computer Science Degree
9 5 (2.04%) ITIL Certification
10 4 (1.63%) BPSS Clearance
10 4 (1.63%) MCITP
10 4 (1.63%) MCTS
10 4 (1.63%) PMP
10 4 (1.63%) TOGAF Certification
Quality Assurance & Compliance
1 20 (8.16%) GDPR
2 14 (5.71%) Sarbanes-Oxley
3 13 (5.31%) Data Quality
4 12 (4.90%) QA
5 7 (2.86%) PCI DSS
5 7 (2.86%) SLA
6 5 (2.04%) ISO 8583
7 3 (1.22%) NCSC
8 2 (0.82%) Accessibility
8 2 (0.82%) DICOM
8 2 (0.82%) HL7
9 1 (0.41%) California Consumer Privacy Act
9 1 (0.41%) GRC
9 1 (0.41%) HIPAA
9 1 (0.41%) ISO 22301
9 1 (0.41%) ISO/IEC 27001
9 1 (0.41%) NIST
9 1 (0.41%) NIST 800
System Software
1 42 (17.14%) Active Directory
2 40 (16.33%) Docker
3 8 (3.27%) Virtual Machines
3 8 (3.27%) VMware Infrastructure
4 6 (2.45%) vSphere
5 4 (1.63%) Virtual Desktop
5 4 (1.63%) VMware NSX
6 3 (1.22%) Oracle RAC
6 3 (1.22%) VMware ESXi
7 1 (0.41%) Apache ZooKeeper
7 1 (0.41%) Firmware
7 1 (0.41%) GPFS
7 1 (0.41%) HDFS
7 1 (0.41%) Lustre
7 1 (0.41%) Microsoft App-V
7 1 (0.41%) NFS
7 1 (0.41%) Slurm Workload Manager
Systems Management
1 68 (27.76%) Terraform
2 54 (22.04%) Kubernetes
3 31 (12.65%) Ansible
4 23 (9.39%) Active Directory Federation Services
5 16 (6.53%) Grafana
6 14 (5.71%) Single Sign-On
7 11 (4.49%) Microsoft Intune
7 11 (4.49%) Prometheus
8 8 (3.27%) vCenter Server
9 7 (2.86%) ITRS Geneos
10 5 (2.04%) Kibana
11 4 (1.63%) FortiGate
12 3 (1.22%) Argo
12 3 (1.22%) Microsoft Clustering
12 3 (1.22%) PowerCLI
12 3 (1.22%) Rancher
13 2 (0.82%) Kubeflow
13 2 (0.82%) logstash
13 2 (0.82%) Oracle RMAN
13 2 (0.82%) Progress Chef
Vendors
1 56 (22.86%) Microsoft
2 23 (9.39%) Databricks
3 21 (8.57%) Oracle
4 17 (6.94%) Splunk
5 14 (5.71%) Okta
6 12 (4.90%) VMware
7 9 (3.67%) Palo Alto
7 9 (3.67%) Red Hat
8 8 (3.27%) Cisco
8 8 (3.27%) SAP
9 5 (2.04%) HP
9 5 (2.04%) Nokia
9 5 (2.04%) Solace
10 4 (1.63%) AppDynamics
10 4 (1.63%) Google
10 4 (1.63%) Pure Storage
11 3 (1.22%) Actix
11 3 (1.22%) Ericsson
11 3 (1.22%) Fortinet
11 3 (1.22%) IBM