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 20 April 2026, with comparisons to the same periods in the previous two years.

6 months to
20 Apr 2026
Same period 2025 Same period 2024
Rank 164 128 221
Rank change year-on-year -36 +93 -2
Contract jobs citing High Availability 276 274 183
As % of all contract jobs in London 1.58% 2.16% 1.03%
As % of the Processes & Methodologies category 1.78% 2.34% 1.16%
Number of daily rates quoted 184 190 136
10th Percentile £375 £412 £300
25th Percentile £445 £466 £463
Median daily rate (50th Percentile) £525 £585 £575
Median % change year-on-year -10.26% +1.74% -4.17%
75th Percentile £632 £700 £675
90th Percentile £750 £775 £714
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -
Number of hourly rates quoted 3 4 0
10th Percentile £56.00 £24.46 -
25th Percentile £56.28 £25.45 -
Median hourly rate £58.50 £26.45 -
Median % change year-on-year +121.17% - -
75th Percentile £68.50 £26.84 -
90th Percentile £73.45 £27.54 -
England median hourly rate £58.50 £26.73 £57.05
% change year-on-year +118.90% -53.16% -18.50%

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 15,485 11,688 15,767
As % of all contract IT jobs advertised in London 88.90% 91.95% 88.36%
Number of daily rates quoted 10,369 7,938 11,291
10th Percentile £353 £350 £338
25th Percentile £428 £438 £450
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -6.78%
75th Percentile £650 £684 £675
90th Percentile £757 £802 £800
England median daily rate £505 £525 £525
% change year-on-year -3.81% - -4.55%
Number of hourly rates quoted 260 166 334
10th Percentile £18.75 £16.30 £15.96
25th Percentile £25.15 £23.64 £19.94
Median hourly rate £35.50 £34.58 £30.00
Median % change year-on-year +2.68% +15.25% -22.58%
75th Percentile £57.13 £50.69 £48.75
90th Percentile £73.08 £63.50 £66.93
England median hourly rate £41.94 £31.64 £35.00
% change year-on-year +32.55% -9.60% -6.67%

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 20 April 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 20 April 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 20 April 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 -30 28 £600 +6.67% 29
South London -14 8 £300 -36.51% 7
West London -26 4 £375 -21.05% 11
East London -4 1 £432 -23.88% 9
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 18 (6.52%) Microsoft Exchange
2 11 (3.99%) SharePoint
3 5 (1.81%) OpenStack
4 4 (1.45%) Confluence
5 2 (0.72%) Apache Spark
5 2 (0.72%) Drupal
5 2 (0.72%) Oracle Workflow
5 2 (0.72%) WordPress
6 1 (0.36%) SharePoint Server
Applications
1 7 (2.54%) Microsoft Office
2 2 (0.72%) Microsoft Excel
3 1 (0.36%) Weka
Business Applications
1 8 (2.90%) Veritas eDiscovery
2 6 (2.17%) Payment Gateway
3 5 (1.81%) BASE24
4 3 (1.09%) Distributed Ledger
5 2 (0.72%) DELMIA
5 2 (0.72%) Oracle Applications
5 2 (0.72%) Oracle EBS
5 2 (0.72%) Remedy ITSM
6 1 (0.36%) ION MarketView
6 1 (0.36%) SAP S/4HANA
Cloud Services
1 115 (41.67%) Azure
2 97 (35.14%) AWS
3 39 (14.13%) GCP
4 32 (11.59%) Entra ID
5 29 (10.51%) AWS CloudFormation
6 26 (9.42%) GitHub
7 25 (9.06%) Azure DevOps
8 22 (7.97%) Serverless
9 19 (6.88%) Amazon S3
9 19 (6.88%) Microsoft 365
10 18 (6.52%) AWS Lambda
11 16 (5.80%) Azure Monitor
12 14 (5.07%) Azure Data Factory
13 13 (4.71%) Amazon ECS
14 12 (4.35%) Amazon CloudWatch
14 12 (4.35%) Azure Synapse Analytics
15 11 (3.99%) Amazon EKS
15 11 (3.99%) GitHub Actions
16 8 (2.90%) Azure AKS
16 8 (2.90%) Virtual Private Cloud
Communications & Networking
1 33 (11.96%) DNS
2 28 (10.14%) Firewall
3 20 (7.25%) DHCP
3 20 (7.25%) Network Security
4 16 (5.80%) VPN
5 15 (5.43%) Kerberos
6 14 (5.07%) WAN
7 9 (3.26%) TCP/IP
8 8 (2.90%) BGP
8 8 (2.90%) LAN
8 8 (2.90%) OSPF
8 8 (2.90%) SSL
9 7 (2.54%) HTTP
9 7 (2.54%) VLAN
10 6 (2.17%) NAS
10 6 (2.17%) SAN
10 6 (2.17%) SD-WAN
11 5 (1.81%) 3GPP
11 5 (1.81%) 5G
11 5 (1.81%) Wi-Fi
Database & Business Intelligence
1 26 (9.42%) SQL Server
2 20 (7.25%) Azure SQL Database
3 19 (6.88%) PostgreSQL
4 15 (5.43%) Oracle Database
5 13 (4.71%) Data Lake
5 13 (4.71%) Delta Lake
6 8 (2.90%) Amazon RDS
6 8 (2.90%) Relational Database
7 7 (2.54%) MongoDB
7 7 (2.54%) SQL Server Integration Services
8 6 (2.17%) Metadata
8 6 (2.17%) NoSQL
8 6 (2.17%) SQL Server Analysis Services
9 5 (1.81%) MySQL
9 5 (1.81%) NonStop SQL
9 5 (1.81%) SQL Server Reporting Services
10 4 (1.45%) OLTP
11 3 (1.09%) Big Data
11 3 (1.09%) Data Warehouse
11 3 (1.09%) Oracle Reports
Development Applications
1 27 (9.78%) Git
2 19 (6.88%) Jenkins
3 9 (3.26%) JIRA
4 7 (2.54%) GitLab
5 4 (1.45%) IBM UrbanCode
5 4 (1.45%) Team Foundation Server
6 3 (1.09%) MLflow
6 3 (1.09%) SQL Server Management Studio (SSMS)
7 2 (0.72%) Cucumber
7 2 (0.72%) JUnit
8 1 (0.36%) Artifactory
8 1 (0.36%) Jaeger
8 1 (0.36%) Sonatype Nexus
General
1 87 (31.52%) Social Skills
2 67 (24.28%) Finance
3 32 (11.59%) Banking
4 22 (7.97%) Public Sector
5 20 (7.25%) Analytical Skills
6 15 (5.43%) Documentation Skills
7 11 (3.99%) Telecoms
8 7 (2.54%) Inclusion and Diversity
9 6 (2.17%) Legal
9 6 (2.17%) Manufacturing
9 6 (2.17%) Presentation Skills
9 6 (2.17%) Retail
10 5 (1.81%) Influencing Skills
11 4 (1.45%) Financial Institution
11 4 (1.45%) Games
11 4 (1.45%) Investment Banking
11 4 (1.45%) Organisational Skills
12 3 (1.09%) Corporate Banking
12 3 (1.09%) Publishing
13 2 (0.72%) Law
Job Titles
1 37 (13.41%) Architect
2 32 (11.59%) Developer
3 23 (8.33%) Senior
4 22 (7.97%) Lead
5 21 (7.61%) DBA
6 15 (5.43%) Data Engineer
7 14 (5.07%) Administrator
7 14 (5.07%) DevOps Engineer
8 13 (4.71%) SQL DBA
9 12 (4.35%) Microsoft 365 Engineer
10 11 (3.99%) Platform Engineer
11 9 (3.26%) Java Engineer
11 9 (3.26%) Oracle DBA
11 9 (3.26%) Site Reliability Engineer
12 8 (2.90%) Cloud Engineer
13 7 (2.54%) Azure Engineer
13 7 (2.54%) Java Developer
14 6 (2.17%) AWS Engineer
14 6 (2.17%) Consultant
14 6 (2.17%) Linux Administrator
Libraries, Frameworks & Software Standards
1 23 (8.33%) OAuth
2 22 (7.97%) Spring
3 20 (7.25%) LDAP
4 18 (6.52%) SAML
4 18 (6.52%) Spring Boot
5 17 (6.16%) REST
5 17 (6.16%) RESTful
6 16 (5.80%) Kafka
7 11 (3.99%) Node.js
8 10 (3.62%) PySpark
9 8 (2.90%) AngularJS
10 7 (2.54%) .NET
11 6 (2.17%) OAuth2
11 6 (2.17%) OpenTelemetry
11 6 (2.17%) React
12 5 (1.81%) ARM Templates
12 5 (1.81%) AWS CDK
12 5 (1.81%) Elastic Stack
13 4 (1.45%) Microsoft Graph
13 4 (1.45%) Vue
Miscellaneous
1 43 (15.58%) Cloud Native
2 24 (8.70%) Replication
3 20 (7.25%) Distributed Systems
4 16 (5.80%) Data Centre
5 13 (4.71%) Clustering
6 11 (3.99%) BYOD
6 11 (3.99%) Hybrid Cloud
7 8 (2.90%) Data Protection Act
8 7 (2.54%) EMV
9 6 (2.17%) Onboarding
9 6 (2.17%) Tandem
10 5 (1.81%) Enterprise Software
10 5 (1.81%) Legacy Systems
10 5 (1.81%) Mainframe
11 4 (1.45%) Algorithms
11 4 (1.45%) Enterprise Storage
11 4 (1.45%) Foreign Exchange (FX)
11 4 (1.45%) Linux Command Line
11 4 (1.45%) Virtual Team
12 3 (1.09%) Distributed Denial-of-Service
Operating Systems
1 40 (14.49%) Linux
2 31 (11.23%) Windows
3 24 (8.70%) Windows Server
4 13 (4.71%) VMS
5 9 (3.26%) Red Hat Enterprise Linux
6 7 (2.54%) Unix
7 4 (1.45%) SUSE
8 3 (1.09%) Ubuntu
9 2 (0.72%) Solaris
10 1 (0.36%) CentOS
10 1 (0.36%) Data ONTAP
10 1 (0.36%) Debian
10 1 (0.36%) Oracle Linux
10 1 (0.36%) Rocky
Processes & Methodologies
1 101 (36.59%) DevOps
2 97 (35.14%) CI/CD
3 82 (29.71%) Disaster Recovery
4 75 (27.17%) Infrastructure as Code
5 59 (21.38%) Problem-Solving
6 46 (16.67%) Migration
6 46 (16.67%) Performance Tuning
7 42 (15.22%) Containerisation
8 41 (14.86%) Agile
9 39 (14.13%) Microservices
10 38 (13.77%) Root Cause Analysis
11 37 (13.41%) Observability
12 30 (10.87%) Analytics
13 27 (9.78%) Roadmaps
14 23 (8.33%) Data Protection
14 23 (8.33%) Identity Access Management
14 23 (8.33%) ITIL
14 23 (8.33%) RBAC
14 23 (8.33%) Task Automation
15 22 (7.97%) Data Pipeline
Programming Languages
1 64 (23.19%) Python
2 59 (21.38%) SQL
3 48 (17.39%) PowerShell
4 36 (13.04%) Java
5 18 (6.52%) Bash
6 12 (4.35%) Scala
7 9 (3.26%) C#
8 7 (2.54%) JavaScript
8 7 (2.54%) Shell Script
9 6 (2.17%) C
10 5 (1.81%) COBOL
11 4 (1.45%) Bicep
11 4 (1.45%) Go
11 4 (1.45%) Perl
11 4 (1.45%) PL/SQL
12 3 (1.09%) PHP
12 3 (1.09%) Ruby
12 3 (1.09%) TypeScript
13 2 (0.72%) C++
14 1 (0.36%) VB
Qualifications
1 69 (25.00%) Security Cleared
2 56 (20.29%) SC Cleared
3 21 (7.61%) Azure Certification
4 18 (6.52%) Degree
5 16 (5.80%) Microsoft Certification
6 15 (5.43%) AWS Certification
7 9 (3.26%) MCSE
8 8 (2.90%) Cisco Certification
8 8 (2.90%) DV Cleared
8 8 (2.90%) MCSA
9 6 (2.17%) AWS Certified Solutions Architect
9 6 (2.17%) CCNA
10 5 (1.81%) BPSS Clearance
10 5 (1.81%) TOGAF Certification
11 4 (1.45%) CCNP
11 4 (1.45%) CISSP
11 4 (1.45%) Computer Science Degree
11 4 (1.45%) MCTS
11 4 (1.45%) PMI Certification
11 4 (1.45%) PMP
Quality Assurance & Compliance
1 24 (8.70%) GDPR
2 14 (5.07%) Data Quality
2 14 (5.07%) Sarbanes-Oxley
3 13 (4.71%) QA
4 9 (3.26%) SLA
5 7 (2.54%) PCI DSS
6 5 (1.81%) ISO 8583
7 3 (1.09%) DICOM
7 3 (1.09%) HL7
7 3 (1.09%) NCSC
8 2 (0.72%) Accessibility
8 2 (0.72%) GRC
8 2 (0.72%) NIST
9 1 (0.36%) California Consumer Privacy Act
9 1 (0.36%) HIPAA
9 1 (0.36%) ISO 22301
9 1 (0.36%) ISO/IEC 27001
9 1 (0.36%) NIST 800
System Software
1 49 (17.75%) Active Directory
2 38 (13.77%) Docker
3 13 (4.71%) VMware Infrastructure
4 11 (3.99%) Virtual Machines
4 11 (3.99%) vSphere
5 8 (2.90%) VMware ESXi
6 5 (1.81%) Firmware
6 5 (1.81%) Hyper-V
7 4 (1.45%) VMware NSX
8 2 (0.72%) Oracle RAC
8 2 (0.72%) Virtual Desktop
9 1 (0.36%) Apache ZooKeeper
9 1 (0.36%) GPFS
9 1 (0.36%) HDFS
9 1 (0.36%) Lustre
9 1 (0.36%) NFS
9 1 (0.36%) Slurm Workload Manager
Systems Management
1 71 (25.72%) Terraform
2 64 (23.19%) Kubernetes
3 27 (9.78%) Active Directory Federation Services
4 26 (9.42%) Ansible
5 18 (6.52%) Single Sign-On
6 17 (6.16%) Grafana
7 13 (4.71%) Prometheus
8 12 (4.35%) vCenter Server
9 10 (3.62%) Microsoft Intune
10 6 (2.17%) ITRS Geneos
10 6 (2.17%) Microsoft Clustering
11 5 (1.81%) Argo
12 4 (1.45%) CA Single Sign-On
12 4 (1.45%) Failover Clustering
12 4 (1.45%) PingFederate
12 4 (1.45%) Rancher
12 4 (1.45%) VxRail
13 3 (1.09%) Kibana
13 3 (1.09%) PowerCLI
13 3 (1.09%) Puppet
Vendors
1 59 (21.38%) Microsoft
2 28 (10.14%) Oracle
3 23 (8.33%) Databricks
4 18 (6.52%) VMware
5 16 (5.80%) Splunk
6 14 (5.07%) Okta
7 10 (3.62%) Red Hat
8 8 (2.90%) ServiceNow
9 7 (2.54%) Cisco
10 5 (1.81%) Ericsson
10 5 (1.81%) HP
10 5 (1.81%) Nokia
10 5 (1.81%) Palo Alto
11 4 (1.45%) AppDynamics
11 4 (1.45%) Dell
11 4 (1.45%) F5
11 4 (1.45%) Huawei
11 4 (1.45%) Ping Identity
11 4 (1.45%) Pure Storage
11 4 (1.45%) SAP