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 18 June 2026, with comparisons to the same periods in the previous two years.

6 months to
18 Jun 2026
Same period 2025 Same period 2024
Rank 151 141 268
Rank change year-on-year -10 +127 -54
Contract jobs citing High Availability 325 257 142
As % of all contract jobs in London 1.72% 2.07% 0.80%
As % of the Processes & Methodologies category 1.93% 2.24% 0.91%
Number of daily rates quoted 228 182 102
10th Percentile £350 £400 £301
25th Percentile £425 £451 £433
Median daily rate (50th Percentile) £525 £575 £550
Median % change year-on-year -8.70% +4.55% -8.33%
75th Percentile £630 £697 £670
90th Percentile £750 £751 £747
England median daily rate £500 £550 £525
% change year-on-year -9.09% +4.76% -4.55%
Number of hourly rates quoted 5 3 3
10th Percentile £56.18 £26.09 -
25th Percentile £56.75 £26.23 -
Median hourly rate £74.50 £26.45 £23.80
Median % change year-on-year +181.66% +11.13% -68.27%
75th Percentile £97.50 £27.23 -
90th Percentile - £27.69 -
England median hourly rate £57.77 £70.00 £44.80
% change year-on-year -17.48% +56.25% -34.60%

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 16,816 11,468 15,660
As % of all contract IT jobs advertised in London 88.80% 92.31% 88.24%
Number of daily rates quoted 11,190 7,694 11,171
10th Percentile £360 £340 £343
25th Percentile £436 £425 £445
Median daily rate (50th Percentile) £530 £550 £550
Median % change year-on-year -3.64% - -6.38%
75th Percentile £650 £675 £675
90th Percentile £763 £800 £800
England median daily rate £519 £520 £525
% change year-on-year -0.23% -1.00% -4.55%
Number of hourly rates quoted 257 206 315
10th Percentile £18.07 £16.50 £15.50
25th Percentile £25.15 £24.66 £20.01
Median hourly rate £37.50 £33.45 £30.00
Median % change year-on-year +12.12% +11.48% -24.84%
75th Percentile £59.00 £50.38 £48.75
90th Percentile £81.25 £63.75 £67.60
England median hourly rate £47.00 £27.40 £37.50
% change year-on-year +71.53% -26.93% +5.19%

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 18 June 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 18 June 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 18 June 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 -19 34 £563 -10.00% 11
South London -9 9 £300 -52.00%
East London -4 2 £511 +73.96% 2
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 23 (7.08%) Microsoft Exchange
2 12 (3.69%) SharePoint
3 8 (2.46%) Confluence
4 4 (1.23%) OpenStack
5 3 (0.92%) Oracle Workflow
6 2 (0.62%) Drupal
6 2 (0.62%) WordPress
7 1 (0.31%) Apache Spark
7 1 (0.31%) Camunda
7 1 (0.31%) CICS
7 1 (0.31%) HCL Domino
7 1 (0.31%) HCL Notes
7 1 (0.31%) MTS
7 1 (0.31%) SharePoint Server
7 1 (0.31%) WebSphere
Applications
1 11 (3.38%) Microsoft Office
2 3 (0.92%) Microsoft Excel
Business Applications
1 8 (2.46%) Veritas eDiscovery
2 4 (1.23%) Oracle Applications
2 4 (1.23%) Oracle EBS
3 3 (0.92%) Distributed Ledger
3 3 (0.92%) Payment Gateway
4 2 (0.62%) BASE24
4 2 (0.62%) DELMIA
4 2 (0.62%) Remedy ITSM
5 1 (0.31%) ION MarketView
5 1 (0.31%) Oracle EBS R12
5 1 (0.31%) SAP S/4HANA
Cloud Services
1 124 (38.15%) Azure
2 115 (35.38%) AWS
3 39 (12.00%) Entra ID
4 37 (11.38%) GCP
5 33 (10.15%) Azure DevOps
6 30 (9.23%) GitHub
7 28 (8.62%) AWS CloudFormation
8 27 (8.31%) Microsoft 365
9 19 (5.85%) Serverless
10 17 (5.23%) Azure Data Factory
11 16 (4.92%) Amazon S3
11 16 (4.92%) Azure Monitor
11 16 (4.92%) GitHub Actions
12 13 (4.00%) Amazon EKS
13 12 (3.69%) Amazon CloudWatch
14 11 (3.38%) AWS Lambda
14 11 (3.38%) Azure Synapse Analytics
15 10 (3.08%) Virtual Private Cloud
16 9 (2.77%) Azure AKS
17 7 (2.15%) Amazon ECS
Communications & Networking
1 42 (12.92%) DNS
2 34 (10.46%) Firewall
3 28 (8.62%) Network Security
4 27 (8.31%) DHCP
5 19 (5.85%) VPN
6 17 (5.23%) WAN
7 14 (4.31%) TCP/IP
8 13 (4.00%) Kerberos
9 10 (3.08%) LAN
10 9 (2.77%) BGP
10 9 (2.77%) HTTP
10 9 (2.77%) SSL
11 8 (2.46%) OSPF
12 7 (2.15%) NAS
12 7 (2.15%) SAN
12 7 (2.15%) VLAN
13 6 (1.85%) Internet
13 6 (1.85%) SD-WAN
14 5 (1.54%) 5G
14 5 (1.54%) F5 BIG-IP LTM
Database & Business Intelligence
1 29 (8.92%) SQL Server
2 24 (7.38%) PostgreSQL
3 17 (5.23%) Azure SQL Database
3 17 (5.23%) Data Lake
3 17 (5.23%) Delta Lake
4 14 (4.31%) Oracle Database
5 9 (2.77%) Amazon RDS
6 8 (2.46%) MongoDB
7 7 (2.15%) NoSQL
8 6 (1.85%) Metadata
8 6 (1.85%) Relational Database
8 6 (1.85%) SQL Server Integration Services
9 4 (1.23%) MySQL
9 4 (1.23%) Power BI
10 3 (0.92%) Oracle Reports
10 3 (0.92%) SQL Server Analysis Services
11 2 (0.62%) KDB
11 2 (0.62%) NonStop SQL
11 2 (0.62%) Oracle Exadata
11 2 (0.62%) SQL Server Reporting Services
Development Applications
1 32 (9.85%) Git
2 18 (5.54%) Jenkins
3 13 (4.00%) JIRA
4 11 (3.38%) GitLab
5 4 (1.23%) JUnit
6 2 (0.62%) Artifactory
6 2 (0.62%) Cucumber
6 2 (0.62%) IBM UrbanCode
6 2 (0.62%) SQL Server Management Studio (SSMS)
6 2 (0.62%) Team Foundation Server
7 1 (0.31%) ER Studio
7 1 (0.31%) Gradle
7 1 (0.31%) IntelliJ
7 1 (0.31%) Maven
7 1 (0.31%) MLflow
7 1 (0.31%) Mockito
7 1 (0.31%) Sonatype Nexus
General
1 84 (25.85%) Social Skills
2 81 (24.92%) Finance
3 40 (12.31%) Banking
4 26 (8.00%) Public Sector
5 21 (6.46%) Analytical Skills
6 14 (4.31%) Documentation Skills
6 14 (4.31%) Telecoms
7 7 (2.15%) Financial Institution
8 6 (1.85%) Inclusion and Diversity
8 6 (1.85%) Investment Banking
8 6 (1.85%) Presentation Skills
9 5 (1.54%) Front Office
9 5 (1.54%) Manufacturing
9 5 (1.54%) Retail
10 4 (1.23%) Law
10 4 (1.23%) Legal
11 3 (0.92%) Corporate Banking
11 3 (0.92%) Games
11 3 (0.92%) Organisational Skills
11 3 (0.92%) Publishing
Job Titles
1 45 (13.85%) Architect
2 38 (11.69%) Senior
3 34 (10.46%) Developer
4 32 (9.85%) DevOps Engineer
5 24 (7.38%) DBA
6 21 (6.46%) Lead
7 18 (5.54%) AWS Engineer
8 16 (4.92%) Data Engineer
9 13 (4.00%) Administrator
9 13 (4.00%) Platform Engineer
10 12 (3.69%) AWS DevOps
10 12 (3.69%) AWS DevOps Engineer
10 12 (3.69%) Azure Engineer
11 11 (3.38%) Cloud Engineer
11 11 (3.38%) Microsoft 365 Engineer
12 10 (3.08%) Oracle DBA
12 10 (3.08%) SQL DBA
13 9 (2.77%) Infrastructure Engineer
13 9 (2.77%) Solutions Architect
13 9 (2.77%) Technical Architect
Libraries, Frameworks & Software Standards
1 24 (7.38%) Kafka
2 23 (7.08%) OAuth
3 22 (6.77%) LDAP
3 22 (6.77%) REST
4 19 (5.85%) SAML
4 19 (5.85%) Spring
5 17 (5.23%) Spring Boot
6 14 (4.31%) .NET
7 10 (3.08%) PySpark
7 10 (3.08%) RESTful
8 8 (2.46%) AngularJS
8 8 (2.46%) Node.js
8 8 (2.46%) OAuth2
9 7 (2.15%) OpenID
10 6 (1.85%) AWS CDK
10 6 (1.85%) RabbitMQ
11 5 (1.54%) ARM Templates
11 5 (1.54%) Middleware
11 5 (1.54%) XML
12 4 (1.23%) SOAP
Miscellaneous
1 64 (19.69%) Cloud Native
2 28 (8.62%) Replication
3 21 (6.46%) Distributed Systems
4 17 (5.23%) Data Centre
5 15 (4.62%) Onboarding
6 13 (4.00%) Clustering
7 11 (3.38%) BYOD
8 10 (3.08%) Data Protection Act
8 10 (3.08%) Hybrid Cloud
9 8 (2.46%) Enterprise Software
9 8 (2.46%) Legacy Systems
9 8 (2.46%) PKI
9 8 (2.46%) Video Conferencing
9 8 (2.46%) Virtual Team
10 5 (1.54%) Operational Technology
10 5 (1.54%) SCADA
11 4 (1.23%) EMV
11 4 (1.23%) Management Information System
11 4 (1.23%) NHS
11 4 (1.23%) SWIFT Messaging Network
Operating Systems
1 48 (14.77%) Windows
2 42 (12.92%) Linux
3 27 (8.31%) Windows Server
4 9 (2.77%) Red Hat Enterprise Linux
5 8 (2.46%) Unix
6 7 (2.15%) VMS
7 4 (1.23%) Mac OS
7 4 (1.23%) SUSE
7 4 (1.23%) Ubuntu
8 2 (0.62%) Solaris
9 1 (0.31%) Amazon Linux
9 1 (0.31%) Data ONTAP
9 1 (0.31%) Debian
9 1 (0.31%) Oracle Linux
9 1 (0.31%) Rocky
9 1 (0.31%) zOS
Processes & Methodologies
1 122 (37.54%) CI/CD
2 118 (36.31%) DevOps
3 99 (30.46%) Infrastructure as Code
4 91 (28.00%) Disaster Recovery
5 55 (16.92%) Problem-Solving
6 49 (15.08%) Migration
7 44 (13.54%) Agile
8 43 (13.23%) Containerisation
8 43 (13.23%) Performance Tuning
9 39 (12.00%) Continuous Improvement
10 38 (11.69%) Microservices
11 37 (11.38%) Observability
11 37 (11.38%) Root Cause Analysis
12 32 (9.85%) Analytics
13 31 (9.54%) Platform Engineering
14 30 (9.23%) Roadmaps
14 30 (9.23%) Technical Leadership
15 27 (8.31%) RBAC
15 27 (8.31%) Test Automation
16 26 (8.00%) Stakeholder Management
Programming Languages
1 73 (22.46%) Python
2 64 (19.69%) SQL
3 61 (18.77%) PowerShell
4 42 (12.92%) Java
5 22 (6.77%) Bash
6 13 (4.00%) Scala
7 12 (3.69%) C#
8 11 (3.38%) Bicep
9 10 (3.08%) TypeScript
10 6 (1.85%) C++
10 6 (1.85%) JavaScript
11 5 (1.54%) C
11 5 (1.54%) Go
11 5 (1.54%) PL/SQL
12 4 (1.23%) Groovy
12 4 (1.23%) Kotlin
12 4 (1.23%) Shell Script
13 3 (0.92%) Perl
13 3 (0.92%) Ruby
13 3 (0.92%) T-SQL
Qualifications
1 85 (26.15%) Security Cleared
2 73 (22.46%) SC Cleared
3 30 (9.23%) Azure Certification
4 26 (8.00%) Degree
5 18 (5.54%) Microsoft Certification
6 15 (4.62%) AWS Certification
6 15 (4.62%) Cisco Certification
7 12 (3.69%) CCNP
8 9 (2.77%) Computer Science Degree
8 9 (2.77%) MCSE
9 8 (2.46%) MCSA
10 7 (2.15%) CCNA
11 6 (1.85%) DV Cleared
12 5 (1.54%) AWS Certified Solutions Architect
12 5 (1.54%) BPSS Clearance
12 5 (1.54%) TOGAF Certification
13 4 (1.23%) CompTIA Security+
13 4 (1.23%) MCITP
13 4 (1.23%) MCTS
14 3 (0.92%) CISSP
Quality Assurance & Compliance
1 24 (7.38%) GDPR
2 19 (5.85%) Data Quality
3 13 (4.00%) Sarbanes-Oxley
4 12 (3.69%) QA
5 10 (3.08%) SLA
6 6 (1.85%) GRC
7 5 (1.54%) PCI DSS
8 4 (1.23%) ISO 20022
8 4 (1.23%) NCSC
8 4 (1.23%) NIST
8 4 (1.23%) SEPA
9 3 (0.92%) DICOM
9 3 (0.92%) HL7
9 3 (0.92%) ISO/IEC 27001
10 2 (0.62%) Accessibility
10 2 (0.62%) Government Security Classifications
10 2 (0.62%) ISO 8583
11 1 (0.31%) HIPAA
11 1 (0.31%) ISO 22301
11 1 (0.31%) NIST 800
System Software
1 58 (17.85%) Active Directory
2 37 (11.38%) Docker
3 15 (4.62%) VMware Infrastructure
4 8 (2.46%) Virtual Machines
5 7 (2.15%) Hyper-V
6 6 (1.85%) vSphere
7 5 (1.54%) Firmware
7 5 (1.54%) VMware ESXi
8 3 (0.92%) Virtual Desktop
9 2 (0.62%) Oracle RAC
10 1 (0.31%) NFS
10 1 (0.31%) RACF
10 1 (0.31%) VMware NSX
Systems Management
1 91 (28.00%) Terraform
2 63 (19.38%) Kubernetes
3 26 (8.00%) Active Directory Federation Services
3 26 (8.00%) Ansible
4 17 (5.23%) Single Sign-On
5 16 (4.92%) Grafana
5 16 (4.92%) Prometheus
6 14 (4.31%) Microsoft Intune
7 7 (2.15%) vCenter Server
8 5 (1.54%) Argo
8 5 (1.54%) Microsoft Clustering
9 4 (1.23%) CA Single Sign-On
9 4 (1.23%) Cisco CUCM
9 4 (1.23%) Failover Clustering
9 4 (1.23%) FortiGate
9 4 (1.23%) PingFederate
9 4 (1.23%) VxRail
10 3 (0.92%) ITRS Geneos
10 3 (0.92%) Kustomize
10 3 (0.92%) Puppet
Vendors
1 75 (23.08%) Microsoft
2 33 (10.15%) Oracle
3 23 (7.08%) Databricks
4 19 (5.85%) VMware
5 14 (4.31%) Cisco
6 13 (4.00%) Okta
6 13 (4.00%) ServiceNow
6 13 (4.00%) Splunk
7 8 (2.46%) Ericsson
7 8 (2.46%) Nokia
8 7 (2.15%) Palo Alto
9 6 (1.85%) F5
10 5 (1.54%) Infoblox
10 5 (1.54%) Red Hat
10 5 (1.54%) SAP
11 4 (1.23%) Apple
11 4 (1.23%) Dell
11 4 (1.23%) Fortinet
11 4 (1.23%) Huawei
11 4 (1.23%) Red Box