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

6 months to
23 Mar 2026
Same period 2025 Same period 2024
Rank 171 137 220
Rank change year-on-year -34 +83 -13
Contract jobs citing High Availability 256 262 176
As % of all contract jobs in London 1.54% 2.04% 0.97%
As % of the Processes & Methodologies category 1.72% 2.23% 1.10%
Number of daily rates quoted 178 172 128
10th Percentile £363 £403 £300
25th Percentile £430 £463 £463
Median daily rate (50th Percentile) £533 £575 £600
Median % change year-on-year -7.39% -4.17% -
75th Percentile £648 £713 £678
90th Percentile £750 £775 £701
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -
Number of hourly rates quoted 2 3 1
10th Percentile £57.45 - -
25th Percentile £59.92 - £91.25
Median hourly rate £66.13 £23.80 £92.50
Median % change year-on-year +177.87% -74.27% +38.06%
75th Percentile £72.49 - £93.75
90th Percentile £75.05 - -
England median hourly rate £61.38 £23.80 £70.50
% change year-on-year +157.90% -66.24% +0.71%

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 14,871 11,726 15,989
As % of all contract IT jobs advertised in London 89.70% 91.30% 88.22%
Number of daily rates quoted 9,969 7,878 11,440
10th Percentile £353 £350 £338
25th Percentile £425 £445 £450
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -6.78%
75th Percentile £650 £677 £675
90th Percentile £750 £800 £788
England median daily rate £504 £525 £525
% change year-on-year -4.05% - -4.55%
Number of hourly rates quoted 231 165 337
10th Percentile £18.07 £19.52 £15.98
25th Percentile £21.73 £24.66 £19.57
Median hourly rate £35.50 £35.89 £30.50
Median % change year-on-year -1.09% +17.67% -21.54%
75th Percentile £56.98 £52.00 £50.00
90th Percentile £72.50 £71.15 £70.50
England median hourly rate £35.00 £33.26 £32.50
% change year-on-year +5.25% +2.32% -13.33%

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 23 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 23 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 23 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 -35 29 £563 -2.17% 36
South London -13 8 £300 -36.51% 8
West London -18 4 £375 -21.05% 13
East London -3 1 £432 -26.15% 7
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 17 (6.64%) Microsoft Exchange
2 7 (2.73%) SharePoint
3 3 (1.17%) Ethereum
3 3 (1.17%) Hyperledger
3 3 (1.17%) OpenStack
4 2 (0.78%) Apache Spark
4 2 (0.78%) Drupal
4 2 (0.78%) Oracle Workflow
4 2 (0.78%) WordPress
5 1 (0.39%) Confluence
5 1 (0.39%) SharePoint Server
Applications
1 7 (2.73%) Microsoft Office
2 1 (0.39%) Microsoft Excel
2 1 (0.39%) Weka
Business Applications
1 8 (3.13%) Veritas eDiscovery
2 5 (1.95%) BASE24
2 5 (1.95%) Payment Gateway
3 3 (1.17%) SAP S/4HANA
4 2 (0.78%) DELMIA
4 2 (0.78%) Remedy ITSM
5 1 (0.39%) Distributed Ledger
Cloud Services
1 105 (41.02%) Azure
2 84 (32.81%) AWS
3 34 (13.28%) GCP
4 29 (11.33%) GitHub
5 27 (10.55%) Azure DevOps
6 26 (10.16%) AWS CloudFormation
6 26 (10.16%) Entra ID
7 22 (8.59%) Amazon S3
7 22 (8.59%) Serverless
8 18 (7.03%) AWS Lambda
8 18 (7.03%) Microsoft 365
9 14 (5.47%) Amazon CloudWatch
10 13 (5.08%) Amazon ECS
10 13 (5.08%) Azure Data Factory
10 13 (5.08%) Azure Monitor
10 13 (5.08%) Azure Synapse Analytics
10 13 (5.08%) GitHub Actions
11 11 (4.30%) Virtual Private Cloud
12 9 (3.52%) Amazon EKS
13 8 (3.13%) Datadog
Communications & Networking
1 30 (11.72%) DNS
2 27 (10.55%) Firewall
3 19 (7.42%) DHCP
4 17 (6.64%) Network Security
5 15 (5.86%) Kerberos
6 13 (5.08%) VPN
6 13 (5.08%) WAN
7 9 (3.52%) BGP
7 9 (3.52%) LAN
8 8 (3.13%) OSPF
9 6 (2.34%) SD-WAN
9 6 (2.34%) TCP/IP
10 5 (1.95%) NAS
10 5 (1.95%) SAN
11 4 (1.56%) 3GPP
11 4 (1.56%) LTE
11 4 (1.56%) Multicast
11 4 (1.56%) VLAN
11 4 (1.56%) Wi-Fi
12 3 (1.17%) HTTP
Database & Business Intelligence
1 23 (8.98%) SQL Server
2 20 (7.81%) Azure SQL Database
3 19 (7.42%) PostgreSQL
4 14 (5.47%) Oracle Database
5 13 (5.08%) Data Lake
6 12 (4.69%) Delta Lake
7 10 (3.91%) Amazon RDS
8 7 (2.73%) MongoDB
8 7 (2.73%) SQL Server Integration Services
9 6 (2.34%) MySQL
9 6 (2.34%) Relational Database
10 5 (1.95%) NonStop SQL
10 5 (1.95%) NoSQL
10 5 (1.95%) SQL Server Analysis Services
10 5 (1.95%) SQL Server Reporting Services
11 4 (1.56%) Data Warehouse
11 4 (1.56%) OLTP
12 3 (1.17%) Big Data
12 3 (1.17%) DynamoDB
12 3 (1.17%) Oracle Reports
Development Applications
1 28 (10.94%) Jenkins
2 24 (9.38%) Git
3 11 (4.30%) GitLab
4 8 (3.13%) JIRA
5 4 (1.56%) IBM UrbanCode
5 4 (1.56%) Team Foundation Server
6 3 (1.17%) MLflow
6 3 (1.17%) SQL Server Management Studio (SSMS)
7 2 (0.78%) Cucumber
7 2 (0.78%) GCC
7 2 (0.78%) GDB
7 2 (0.78%) JUnit
8 1 (0.39%) Artifactory
8 1 (0.39%) Bitbucket
8 1 (0.39%) Jaeger
8 1 (0.39%) Sonatype Nexus
General
1 92 (35.94%) Social Skills
2 61 (23.83%) Finance
3 33 (12.89%) Banking
4 24 (9.38%) Analytical Skills
5 21 (8.20%) Public Sector
6 15 (5.86%) Documentation Skills
7 8 (3.13%) Telecoms
8 7 (2.73%) Influencing Skills
8 7 (2.73%) Legal
9 6 (2.34%) Inclusion and Diversity
9 6 (2.34%) Manufacturing
9 6 (2.34%) Presentation Skills
10 5 (1.95%) Retail
11 4 (1.56%) Financial Institution
11 4 (1.56%) Investment Banking
11 4 (1.56%) Organisational Skills
12 3 (1.17%) International Banking
13 2 (0.78%) Front Office
13 2 (0.78%) Games
13 2 (0.78%) Law
Job Titles
1 32 (12.50%) Architect
2 27 (10.55%) Developer
3 24 (9.38%) Senior
4 19 (7.42%) DBA
4 19 (7.42%) Lead
5 17 (6.64%) DevOps Engineer
6 14 (5.47%) Administrator
6 14 (5.47%) Data Engineer
7 13 (5.08%) SQL DBA
8 12 (4.69%) Microsoft 365 Engineer
9 10 (3.91%) Platform Engineer
10 9 (3.52%) Java Engineer
11 7 (2.73%) Cloud Engineer
11 7 (2.73%) Consultant
11 7 (2.73%) Oracle DBA
12 6 (2.34%) Linux Administrator
12 6 (2.34%) Network Engineer
13 5 (1.95%) Linux Systems Administrator
13 5 (1.95%) Systems Administrator
13 5 (1.95%) Technical Architect
Libraries, Frameworks & Software Standards
1 20 (7.81%) Spring
2 19 (7.42%) OAuth
3 16 (6.25%) LDAP
3 16 (6.25%) RESTful
3 16 (6.25%) Spring Boot
4 15 (5.86%) REST
5 14 (5.47%) Kafka
5 14 (5.47%) SAML
6 10 (3.91%) Node.js
6 10 (3.91%) PySpark
7 9 (3.52%) AngularJS
8 7 (2.73%) .NET
9 6 (2.34%) Elastic Stack
9 6 (2.34%) React
10 5 (1.95%) ARM Templates
10 5 (1.95%) OpenTelemetry
10 5 (1.95%) RabbitMQ
11 4 (1.56%) Django
11 4 (1.56%) JPA
11 4 (1.56%) JSON
Miscellaneous
1 38 (14.84%) Cloud Native
2 24 (9.38%) Replication
3 18 (7.03%) Data Centre
3 18 (7.03%) Distributed Systems
4 16 (6.25%) Hybrid Cloud
5 11 (4.30%) BYOD
6 8 (3.13%) Clustering
7 7 (2.73%) EMV
8 6 (2.34%) Data Protection Act
8 6 (2.34%) Foreign Exchange (FX)
8 6 (2.34%) Onboarding
9 5 (1.95%) Enterprise Software
9 5 (1.95%) Legacy Systems
9 5 (1.95%) Tandem
10 4 (1.56%) Mainframe
10 4 (1.56%) Virtual Team
11 3 (1.17%) Algorithms
11 3 (1.17%) Blockchain
11 3 (1.17%) Distributed Architecture
11 3 (1.17%) Linux Command Line
Operating Systems
1 40 (15.63%) Linux
2 29 (11.33%) Windows
3 22 (8.59%) Windows Server
4 9 (3.52%) VMS
5 6 (2.34%) Red Hat Enterprise Linux
5 6 (2.34%) Unix
6 2 (0.78%) CentOS
6 2 (0.78%) Solaris
6 2 (0.78%) Ubuntu
7 1 (0.39%) Data ONTAP
7 1 (0.39%) Oracle Linux
7 1 (0.39%) Rocky
7 1 (0.39%) Windows Server 2016
Processes & Methodologies
1 101 (39.45%) DevOps
2 92 (35.94%) CI/CD
3 81 (31.64%) Disaster Recovery
4 77 (30.08%) Infrastructure as Code
5 63 (24.61%) Problem-Solving
6 44 (17.19%) Performance Tuning
7 43 (16.80%) Agile
8 42 (16.41%) Containerisation
9 39 (15.23%) Migration
10 35 (13.67%) Microservices
10 35 (13.67%) Root Cause Analysis
11 30 (11.72%) Observability
11 30 (11.72%) Roadmaps
12 29 (11.33%) Analytics
13 26 (10.16%) Continuous Improvement
13 26 (10.16%) Task Automation
14 25 (9.77%) RBAC
15 24 (9.38%) Identity Access Management
16 23 (8.98%) ITIL
16 23 (8.98%) Stakeholder Management
Programming Languages
1 70 (27.34%) Python
2 62 (24.22%) SQL
3 50 (19.53%) PowerShell
4 28 (10.94%) Java
5 26 (10.16%) Bash
6 12 (4.69%) Scala
7 8 (3.13%) C#
8 7 (2.73%) JavaScript
8 7 (2.73%) Shell Script
9 6 (2.34%) C
10 5 (1.95%) Bicep
10 5 (1.95%) COBOL
10 5 (1.95%) Perl
11 4 (1.56%) C++
11 4 (1.56%) PHP
11 4 (1.56%) PL/SQL
12 3 (1.17%) TypeScript
13 2 (0.78%) Go
14 1 (0.39%) Kotlin
14 1 (0.39%) Ruby
Qualifications
1 67 (26.17%) Security Cleared
2 55 (21.48%) SC Cleared
3 18 (7.03%) Degree
4 16 (6.25%) Azure Certification
4 16 (6.25%) Microsoft Certification
5 15 (5.86%) AWS Certification
6 8 (3.13%) Cisco Certification
6 8 (3.13%) DV Cleared
6 8 (3.13%) MCSA
6 8 (3.13%) MCSE
7 7 (2.73%) AWS Certified Solutions Architect
8 6 (2.34%) CCNA
9 5 (1.95%) CCNP
9 5 (1.95%) Computer Science Degree
10 4 (1.56%) BPSS Clearance
10 4 (1.56%) MCITP
10 4 (1.56%) MCTS
10 4 (1.56%) PMI Certification
10 4 (1.56%) PMP
10 4 (1.56%) TOGAF Certification
Quality Assurance & Compliance
1 20 (7.81%) GDPR
2 14 (5.47%) Sarbanes-Oxley
3 13 (5.08%) Data Quality
4 12 (4.69%) QA
5 9 (3.52%) SLA
6 7 (2.73%) PCI DSS
7 5 (1.95%) ISO 8583
8 3 (1.17%) NCSC
9 2 (0.78%) Accessibility
9 2 (0.78%) DICOM
9 2 (0.78%) HL7
10 1 (0.39%) California Consumer Privacy Act
10 1 (0.39%) GRC
10 1 (0.39%) HIPAA
10 1 (0.39%) ISO 22301
10 1 (0.39%) ISO/IEC 27001
10 1 (0.39%) NIST
10 1 (0.39%) NIST 800
System Software
1 44 (17.19%) Docker
2 42 (16.41%) Active Directory
3 8 (3.13%) Virtual Machines
3 8 (3.13%) VMware Infrastructure
4 6 (2.34%) vSphere
5 4 (1.56%) VMware NSX
6 3 (1.17%) Oracle RAC
6 3 (1.17%) Virtual Desktop
6 3 (1.17%) VMware ESXi
7 1 (0.39%) Apache ZooKeeper
7 1 (0.39%) Firmware
7 1 (0.39%) GPFS
7 1 (0.39%) HDFS
7 1 (0.39%) Lustre
7 1 (0.39%) NFS
7 1 (0.39%) Slurm Workload Manager
Systems Management
1 74 (28.91%) Terraform
2 62 (24.22%) Kubernetes
3 33 (12.89%) Ansible
4 23 (8.98%) Active Directory Federation Services
5 18 (7.03%) Grafana
6 14 (5.47%) Single Sign-On
7 13 (5.08%) Prometheus
8 10 (3.91%) Microsoft Intune
9 8 (3.13%) vCenter Server
10 7 (2.73%) ITRS Geneos
11 5 (1.95%) Kibana
12 4 (1.56%) Argo
12 4 (1.56%) Rancher
13 3 (1.17%) FortiGate
13 3 (1.17%) Microsoft Clustering
13 3 (1.17%) PowerCLI
14 2 (0.78%) Data Guard
14 2 (0.78%) logstash
14 2 (0.78%) Progress Chef
14 2 (0.78%) Puppet
Vendors
1 57 (22.27%) Microsoft
2 25 (9.77%) Oracle
3 22 (8.59%) Databricks
4 19 (7.42%) Splunk
5 14 (5.47%) Okta
6 12 (4.69%) Red Hat
6 12 (4.69%) VMware
7 8 (3.13%) Cisco
7 8 (3.13%) Palo Alto
8 7 (2.73%) SAP
9 6 (2.34%) Nokia
10 5 (1.95%) HP
10 5 (1.95%) Solace
11 4 (1.56%) AppDynamics
11 4 (1.56%) Ericsson
11 4 (1.56%) Google
11 4 (1.56%) Pure Storage
12 3 (1.17%) F5
12 3 (1.17%) IBM
12 3 (1.17%) Remedy