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 14 May 2026, with comparisons to the same periods in the previous two years.

6 months to
14 May 2026
Same period 2025 Same period 2024
Rank 155 125 234
Rank change year-on-year -30 +109 -21
Contract jobs citing High Availability 302 275 166
As % of all contract jobs in London 1.70% 2.22% 0.95%
As % of the Processes & Methodologies category 1.92% 2.41% 1.07%
Number of daily rates quoted 206 190 123
10th Percentile £375 £402 £300
25th Percentile £438 £463 £461
Median daily rate (50th Percentile) £525 £580 £564
Median % change year-on-year -9.48% +2.84% -6.00%
75th Percentile £638 £700 £675
90th Percentile £750 £752 £715
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -
Number of hourly rates quoted 4 4 2
10th Percentile £56.09 £24.46 -
25th Percentile £56.51 £25.45 -
Median hourly rate £66.50 £26.45 £23.80
Median % change year-on-year +151.42% +11.13% -68.27%
75th Percentile £81.94 £26.84 -
90th Percentile £91.28 £27.54 -
England median hourly rate £57.77 £26.73 £61.60
% change year-on-year +116.15% -56.62% -12.00%

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 15,715 11,404 15,572
As % of all contract IT jobs advertised in London 88.26% 92.24% 88.73%
Number of daily rates quoted 10,518 7,710 11,153
10th Percentile £356 £350 £340
25th Percentile £431 £433 £450
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -6.78%
75th Percentile £650 £688 £688
90th Percentile £755 £813 £800
England median daily rate £513 £525 £525
% change year-on-year -2.38% - -4.55%
Number of hourly rates quoted 241 175 312
10th Percentile £18.75 £16.50 £15.95
25th Percentile £25.15 £23.33 £20.00
Median hourly rate £35.71 £34.50 £27.92
Median % change year-on-year +3.51% +23.57% -28.41%
75th Percentile £57.50 £50.75 £48.75
90th Percentile £75.00 £63.75 £66.45
England median hourly rate £47.00 £29.02 £36.50
% change year-on-year +61.96% -20.49% -2.25%

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 14 May 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 14 May 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 14 May 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 -24 29 £600 +6.67% 31
South London -10 9 £300 -36.51% 1
West London -23 4 £375 -38.78% 4
East London -5 1 £432 -21.45% 5
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 20 (6.62%) Microsoft Exchange
2 12 (3.97%) SharePoint
3 5 (1.66%) Confluence
4 4 (1.32%) OpenStack
5 2 (0.66%) Apache Spark
5 2 (0.66%) Drupal
5 2 (0.66%) Oracle Workflow
5 2 (0.66%) WordPress
6 1 (0.33%) CICS
6 1 (0.33%) MTS
6 1 (0.33%) SharePoint Server
6 1 (0.33%) WebSphere
Applications
1 9 (2.98%) Microsoft Office
2 2 (0.66%) Microsoft Excel
Business Applications
1 8 (2.65%) Veritas eDiscovery
2 6 (1.99%) Payment Gateway
3 5 (1.66%) BASE24
4 3 (0.99%) Distributed Ledger
4 3 (0.99%) Oracle Applications
4 3 (0.99%) Oracle EBS
5 2 (0.66%) DELMIA
5 2 (0.66%) Remedy ITSM
6 1 (0.33%) ION MarketView
6 1 (0.33%) SAP S/4HANA
Cloud Services
1 120 (39.74%) Azure
2 106 (35.10%) AWS
3 36 (11.92%) GCP
4 35 (11.59%) Entra ID
5 32 (10.60%) Azure DevOps
6 31 (10.26%) AWS CloudFormation
7 26 (8.61%) GitHub
8 23 (7.62%) Serverless
9 22 (7.28%) Microsoft 365
10 20 (6.62%) Amazon S3
11 18 (5.96%) Azure Data Factory
12 17 (5.63%) AWS Lambda
13 16 (5.30%) Azure Monitor
14 12 (3.97%) Amazon ECS
14 12 (3.97%) Azure Synapse Analytics
14 12 (3.97%) GitHub Actions
15 11 (3.64%) Amazon CloudWatch
15 11 (3.64%) Amazon EKS
16 9 (2.98%) Amazon EC2
16 9 (2.98%) Azure AKS
Communications & Networking
1 37 (12.25%) DNS
2 30 (9.93%) Firewall
3 23 (7.62%) DHCP
3 23 (7.62%) Network Security
4 17 (5.63%) VPN
5 15 (4.97%) Kerberos
5 15 (4.97%) WAN
6 10 (3.31%) TCP/IP
7 9 (2.98%) HTTP
7 9 (2.98%) LAN
7 9 (2.98%) SSL
8 8 (2.65%) BGP
8 8 (2.65%) OSPF
9 7 (2.32%) NAS
9 7 (2.32%) SAN
9 7 (2.32%) VLAN
10 6 (1.99%) SD-WAN
11 5 (1.66%) 5G
12 4 (1.32%) F5 BIG-IP LTM
12 4 (1.32%) VSAN
Database & Business Intelligence
1 26 (8.61%) SQL Server
2 20 (6.62%) Azure SQL Database
3 19 (6.29%) PostgreSQL
4 17 (5.63%) Data Lake
4 17 (5.63%) Delta Lake
5 16 (5.30%) Oracle Database
6 9 (2.98%) Amazon RDS
7 7 (2.32%) MongoDB
7 7 (2.32%) NoSQL
7 7 (2.32%) Relational Database
7 7 (2.32%) SQL Server Integration Services
8 6 (1.99%) Metadata
8 6 (1.99%) SQL Server Analysis Services
9 5 (1.66%) NonStop SQL
9 5 (1.66%) SQL Server Reporting Services
10 4 (1.32%) OLTP
11 3 (0.99%) Big Data
11 3 (0.99%) Data Warehouse
11 3 (0.99%) DynamoDB
11 3 (0.99%) Oracle Reports
Development Applications
1 31 (10.26%) Git
2 19 (6.29%) Jenkins
3 10 (3.31%) JIRA
4 7 (2.32%) GitLab
5 3 (0.99%) JUnit
5 3 (0.99%) MLflow
5 3 (0.99%) SQL Server Management Studio (SSMS)
6 2 (0.66%) Cucumber
6 2 (0.66%) IBM UrbanCode
6 2 (0.66%) Team Foundation Server
7 1 (0.33%) Artifactory
7 1 (0.33%) IntelliJ
7 1 (0.33%) Jaeger
7 1 (0.33%) Mockito
7 1 (0.33%) Sonatype Nexus
General
1 82 (27.15%) Social Skills
2 75 (24.83%) Finance
3 36 (11.92%) Banking
4 22 (7.28%) Public Sector
5 18 (5.96%) Analytical Skills
6 14 (4.64%) Documentation Skills
7 11 (3.64%) Telecoms
8 7 (2.32%) Financial Institution
9 6 (1.99%) Inclusion and Diversity
9 6 (1.99%) Presentation Skills
10 5 (1.66%) Legal
10 5 (1.66%) Retail
11 4 (1.32%) Games
11 4 (1.32%) Investment Banking
11 4 (1.32%) Manufacturing
12 3 (0.99%) Corporate Banking
12 3 (0.99%) Influencing Skills
12 3 (0.99%) Organisational Skills
12 3 (0.99%) Publishing
13 2 (0.66%) Law
Job Titles
1 39 (12.91%) Architect
2 33 (10.93%) Senior
3 32 (10.60%) Developer
4 23 (7.62%) DBA
5 21 (6.95%) Lead
6 19 (6.29%) Data Engineer
6 19 (6.29%) DevOps Engineer
7 14 (4.64%) Administrator
8 13 (4.30%) Java Engineer
8 13 (4.30%) SQL DBA
9 12 (3.97%) Azure Engineer
9 12 (3.97%) Microsoft 365 Engineer
9 12 (3.97%) Platform Engineer
10 10 (3.31%) AWS Engineer
10 10 (3.31%) Cloud Engineer
10 10 (3.31%) Oracle DBA
10 10 (3.31%) Site Reliability Engineer
11 7 (2.32%) Consultant
11 7 (2.32%) Java Developer
11 7 (2.32%) Technical Architect
Libraries, Frameworks & Software Standards
1 23 (7.62%) Spring
2 22 (7.28%) LDAP
2 22 (7.28%) OAuth
3 21 (6.95%) Spring Boot
4 20 (6.62%) Kafka
5 18 (5.96%) REST
5 18 (5.96%) SAML
6 16 (5.30%) RESTful
7 10 (3.31%) .NET
7 10 (3.31%) PySpark
8 9 (2.98%) Node.js
9 8 (2.65%) AngularJS
10 6 (1.99%) AWS CDK
10 6 (1.99%) OAuth2
11 5 (1.66%) ARM Templates
11 5 (1.66%) Middleware
11 5 (1.66%) OpenID
11 5 (1.66%) OpenTelemetry
11 5 (1.66%) RabbitMQ
11 5 (1.66%) React
Miscellaneous
1 52 (17.22%) Cloud Native
2 29 (9.60%) Replication
3 23 (7.62%) Distributed Systems
4 17 (5.63%) Data Centre
5 13 (4.30%) Clustering
6 11 (3.64%) BYOD
6 11 (3.64%) Hybrid Cloud
7 10 (3.31%) Data Protection Act
8 9 (2.98%) Onboarding
9 7 (2.32%) EMV
9 7 (2.32%) Legacy Systems
10 6 (1.99%) Tandem
10 6 (1.99%) Virtual Team
11 5 (1.66%) Enterprise Software
11 5 (1.66%) Mainframe
12 4 (1.32%) Algorithms
12 4 (1.32%) Enterprise Storage
12 4 (1.32%) Foreign Exchange (FX)
12 4 (1.32%) NHS
12 4 (1.32%) PKI
Operating Systems
1 40 (13.25%) Linux
2 35 (11.59%) Windows
3 24 (7.95%) Windows Server
4 9 (2.98%) Unix
4 9 (2.98%) VMS
5 7 (2.32%) Red Hat Enterprise Linux
6 4 (1.32%) SUSE
7 3 (0.99%) Ubuntu
8 2 (0.66%) Solaris
9 1 (0.33%) Amazon Linux
9 1 (0.33%) CentOS
9 1 (0.33%) Data ONTAP
9 1 (0.33%) Debian
9 1 (0.33%) Oracle Linux
9 1 (0.33%) Rocky
9 1 (0.33%) zOS
Processes & Methodologies
1 110 (36.42%) CI/CD
1 110 (36.42%) DevOps
2 87 (28.81%) Infrastructure as Code
3 83 (27.48%) Disaster Recovery
4 53 (17.55%) Problem-Solving
5 49 (16.23%) Performance Tuning
6 45 (14.90%) Agile
7 43 (14.24%) Migration
8 42 (13.91%) Containerisation
9 41 (13.58%) Microservices
9 41 (13.58%) Observability
10 37 (12.25%) Root Cause Analysis
11 35 (11.59%) Analytics
12 30 (9.93%) Roadmaps
13 27 (8.94%) Continuous Improvement
14 26 (8.61%) Data Pipeline
15 25 (8.28%) RBAC
15 25 (8.28%) Technical Leadership
16 24 (7.95%) Identity Access Management
16 24 (7.95%) Platform Engineering
Programming Languages
1 70 (23.18%) Python
2 66 (21.85%) SQL
3 54 (17.88%) PowerShell
4 44 (14.57%) Java
5 17 (5.63%) Bash
6 12 (3.97%) Scala
7 11 (3.64%) C#
8 8 (2.65%) Bicep
8 8 (2.65%) JavaScript
8 8 (2.65%) TypeScript
9 7 (2.32%) Shell Script
10 6 (1.99%) C
11 5 (1.66%) COBOL
11 5 (1.66%) Go
11 5 (1.66%) Perl
12 4 (1.32%) C++
12 4 (1.32%) PL/SQL
13 3 (0.99%) Groovy
13 3 (0.99%) PHP
13 3 (0.99%) Ruby
Qualifications
1 77 (25.50%) Security Cleared
2 63 (20.86%) SC Cleared
3 28 (9.27%) Azure Certification
4 20 (6.62%) Degree
5 16 (5.30%) AWS Certification
5 16 (5.30%) Microsoft Certification
6 12 (3.97%) Cisco Certification
7 9 (2.98%) MCSE
8 8 (2.65%) CCNP
8 8 (2.65%) MCSA
9 7 (2.32%) CCNA
9 7 (2.32%) DV Cleared
10 6 (1.99%) AWS Certified Solutions Architect
10 6 (1.99%) Computer Science Degree
11 5 (1.66%) BPSS Clearance
11 5 (1.66%) TOGAF Certification
12 4 (1.32%) CompTIA Security+
12 4 (1.32%) MCITP
12 4 (1.32%) MCTS
13 3 (0.99%) CISSP
Quality Assurance & Compliance
1 25 (8.28%) GDPR
2 19 (6.29%) Data Quality
3 14 (4.64%) Sarbanes-Oxley
4 12 (3.97%) QA
5 9 (2.98%) SLA
6 7 (2.32%) PCI DSS
7 5 (1.66%) ISO 8583
8 4 (1.32%) NCSC
9 3 (0.99%) DICOM
9 3 (0.99%) HL7
9 3 (0.99%) ISO 20022
9 3 (0.99%) SEPA
10 2 (0.66%) Accessibility
10 2 (0.66%) GRC
10 2 (0.66%) NIST
11 1 (0.33%) California Consumer Privacy Act
11 1 (0.33%) HIPAA
11 1 (0.33%) ISO 22301
11 1 (0.33%) ISO/IEC 27001
11 1 (0.33%) NIST 800
System Software
1 53 (17.55%) Active Directory
2 38 (12.58%) Docker
3 13 (4.30%) VMware Infrastructure
4 10 (3.31%) Virtual Machines
5 8 (2.65%) vSphere
6 7 (2.32%) VMware ESXi
7 6 (1.99%) Hyper-V
8 5 (1.66%) Firmware
9 2 (0.66%) Oracle RAC
9 2 (0.66%) Virtual Desktop
10 1 (0.33%) Apache ZooKeeper
10 1 (0.33%) HDFS
10 1 (0.33%) NFS
10 1 (0.33%) RACF
10 1 (0.33%) VMware NSX
Systems Management
1 81 (26.82%) Terraform
2 64 (21.19%) Kubernetes
3 27 (8.94%) Active Directory Federation Services
4 23 (7.62%) Ansible
5 18 (5.96%) Single Sign-On
6 15 (4.97%) Grafana
7 13 (4.30%) Prometheus
8 10 (3.31%) Microsoft Intune
9 9 (2.98%) vCenter Server
10 7 (2.32%) ITRS Geneos
11 6 (1.99%) Microsoft Clustering
12 4 (1.32%) CA Single Sign-On
12 4 (1.32%) Failover Clustering
12 4 (1.32%) PingFederate
12 4 (1.32%) VxRail
13 3 (0.99%) Argo
13 3 (0.99%) FortiGate
14 2 (0.66%) PowerCLI
14 2 (0.66%) Progress Chef
14 2 (0.66%) Rancher
Vendors
1 66 (21.85%) Microsoft
2 29 (9.60%) Oracle
3 25 (8.28%) Databricks
4 17 (5.63%) VMware
5 15 (4.97%) Splunk
6 14 (4.64%) Okta
7 10 (3.31%) ServiceNow
8 9 (2.98%) Cisco
9 6 (1.99%) Palo Alto
9 6 (1.99%) Red Hat
10 5 (1.66%) Ericsson
10 5 (1.66%) F5
10 5 (1.66%) HP
10 5 (1.66%) Nokia
11 4 (1.32%) AppDynamics
11 4 (1.32%) Dell
11 4 (1.32%) Huawei
11 4 (1.32%) Infoblox
11 4 (1.32%) Ping Identity
11 4 (1.32%) SAP