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

6 months to
18 Mar 2026
Same period 2025 Same period 2024
Rank 175 138 222
Rank change year-on-year -37 +84 0
Contract jobs citing High Availability 253 261 179
As % of all contract jobs in London 1.54% 2.04% 0.98%
As % of the Processes & Methodologies category 1.72% 2.24% 1.11%
Number of daily rates quoted 175 172 132
10th Percentile £368 £400 £300
25th Percentile £442 £463 £463
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £650 £700 £678
90th Percentile £750 £775 £700
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -
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% +99.55%
75th Percentile £68.24 - £93.75
90th Percentile £73.34 - -
England median hourly rate £57.77 £23.80 £70.50
% change year-on-year +142.71% -66.24% +2.92%

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 14,745 11,676 16,083
As % of all contract IT jobs advertised in London 89.75% 91.09% 88.19%
Number of daily rates quoted 9,877 7,820 11,502
10th Percentile £350 £350 £340
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 £681 £675
90th Percentile £750 £800 £788
England median daily rate £503 £525 £525
% change year-on-year -4.29% - -4.55%
Number of hourly rates quoted 235 162 343
10th Percentile £18.14 £20.05 £16.00
25th Percentile £22.00 £24.66 £19.57
Median hourly rate £35.50 £35.70 £30.16
Median % change year-on-year -0.55% +18.35% -18.49%
75th Percentile £56.98 £53.75 £49.94
90th Percentile £71.50 £77.25 £69.35
England median hourly rate £31.00 £33.11 £32.50
% change year-on-year -6.37% +1.88% -11.33%

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 18 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 18 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 18 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 -30 27 £563 -2.17% 44
South London -15 7 £300 -36.68% 8
West London -18 4 £375 -21.05% 11
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 (6.72%) Microsoft Exchange
2 7 (2.77%) SharePoint
3 3 (1.19%) Apache Spark
3 3 (1.19%) Ethereum
3 3 (1.19%) Hyperledger
3 3 (1.19%) OpenStack
4 2 (0.79%) Confluence
4 2 (0.79%) Drupal
4 2 (0.79%) Oracle Workflow
4 2 (0.79%) WordPress
5 1 (0.40%) SharePoint Server
Applications
1 7 (2.77%) Microsoft Office
2 1 (0.40%) Microsoft Excel
2 1 (0.40%) Weka
Business Applications
1 8 (3.16%) Veritas eDiscovery
2 5 (1.98%) BASE24
2 5 (1.98%) Payment Gateway
3 3 (1.19%) SAP S/4HANA
4 2 (0.79%) DELMIA
Cloud Services
1 101 (39.92%) Azure
2 81 (32.02%) AWS
3 33 (13.04%) GCP
4 30 (11.86%) GitHub
5 27 (10.67%) Entra ID
6 26 (10.28%) AWS CloudFormation
6 26 (10.28%) Azure DevOps
7 22 (8.70%) Amazon S3
8 21 (8.30%) Serverless
9 19 (7.51%) Microsoft 365
10 18 (7.11%) AWS Lambda
11 14 (5.53%) Amazon CloudWatch
11 14 (5.53%) GitHub Actions
12 13 (5.14%) Amazon ECS
12 13 (5.14%) Azure Data Factory
12 13 (5.14%) Azure Monitor
12 13 (5.14%) Azure Synapse Analytics
13 12 (4.74%) Virtual Private Cloud
14 9 (3.56%) Amazon EKS
15 8 (3.16%) Datadog
Communications & Networking
1 30 (11.86%) DNS
2 26 (10.28%) Firewall
3 19 (7.51%) DHCP
4 18 (7.11%) Network Security
5 15 (5.93%) Kerberos
6 14 (5.53%) WAN
7 13 (5.14%) VPN
8 10 (3.95%) LAN
9 9 (3.56%) BGP
10 8 (3.16%) OSPF
11 7 (2.77%) TCP/IP
12 6 (2.37%) SD-WAN
13 5 (1.98%) NAS
13 5 (1.98%) SAN
14 4 (1.58%) 3GPP
14 4 (1.58%) HTTP
14 4 (1.58%) LTE
14 4 (1.58%) Multicast
14 4 (1.58%) VLAN
14 4 (1.58%) Wi-Fi
Database & Business Intelligence
1 22 (8.70%) SQL Server
2 20 (7.91%) Azure SQL Database
3 18 (7.11%) PostgreSQL
4 14 (5.53%) Oracle Database
5 13 (5.14%) Data Lake
6 12 (4.74%) Delta Lake
7 10 (3.95%) Amazon RDS
8 7 (2.77%) SQL Server Integration Services
9 6 (2.37%) MongoDB
9 6 (2.37%) MySQL
10 5 (1.98%) NonStop SQL
10 5 (1.98%) NoSQL
10 5 (1.98%) Relational Database
10 5 (1.98%) SQL Server Analysis Services
10 5 (1.98%) SQL Server Reporting Services
11 4 (1.58%) Big Data
11 4 (1.58%) Data Warehouse
11 4 (1.58%) OLTP
12 3 (1.19%) DynamoDB
12 3 (1.19%) Elasticsearch
Development Applications
1 27 (10.67%) Jenkins
2 24 (9.49%) Git
3 11 (4.35%) GitLab
4 9 (3.56%) JIRA
5 4 (1.58%) IBM UrbanCode
5 4 (1.58%) Team Foundation Server
6 3 (1.19%) GCC
6 3 (1.19%) MLflow
6 3 (1.19%) SQL Server Management Studio (SSMS)
7 2 (0.79%) GDB
7 2 (0.79%) JUnit
8 1 (0.40%) Artifactory
8 1 (0.40%) Bitbucket
8 1 (0.40%) Cucumber
8 1 (0.40%) Cypress.io
8 1 (0.40%) Jaeger
8 1 (0.40%) MSI
8 1 (0.40%) Sonatype Nexus
General
1 93 (36.76%) Social Skills
2 59 (23.32%) Finance
3 32 (12.65%) Banking
4 24 (9.49%) Analytical Skills
5 21 (8.30%) Public Sector
6 15 (5.93%) Documentation Skills
7 8 (3.16%) Telecoms
8 7 (2.77%) Influencing Skills
8 7 (2.77%) Legal
8 7 (2.77%) Presentation Skills
9 6 (2.37%) Inclusion and Diversity
9 6 (2.37%) Manufacturing
10 5 (1.98%) Retail
11 4 (1.58%) Financial Institution
11 4 (1.58%) Organisational Skills
12 3 (1.19%) International Banking
12 3 (1.19%) Investment Banking
13 2 (0.79%) Billing
13 2 (0.79%) Front Office
13 2 (0.79%) Law
Job Titles
1 33 (13.04%) Architect
2 25 (9.88%) Developer
3 24 (9.49%) Senior
4 20 (7.91%) Lead
5 18 (7.11%) DBA
6 16 (6.32%) DevOps Engineer
7 14 (5.53%) Data Engineer
8 13 (5.14%) Administrator
8 13 (5.14%) SQL DBA
9 12 (4.74%) Microsoft 365 Engineer
10 10 (3.95%) Platform Engineer
11 9 (3.56%) Consultant
11 9 (3.56%) Java Engineer
12 7 (2.77%) Cloud Engineer
12 7 (2.77%) Network Engineer
12 7 (2.77%) Oracle DBA
13 6 (2.37%) Linux Administrator
14 5 (1.98%) Linux Systems Administrator
14 5 (1.98%) Systems Administrator
14 5 (1.98%) Technical Architect
Libraries, Frameworks & Software Standards
1 19 (7.51%) OAuth
1 19 (7.51%) Spring
2 16 (6.32%) LDAP
2 16 (6.32%) RESTful
3 15 (5.93%) Spring Boot
4 14 (5.53%) SAML
5 13 (5.14%) REST
6 12 (4.74%) Kafka
7 10 (3.95%) PySpark
8 9 (3.56%) Node.js
9 8 (3.16%) AngularJS
10 7 (2.77%) .NET
11 6 (2.37%) Elastic Stack
11 6 (2.37%) React
12 5 (1.98%) ARM Templates
12 5 (1.98%) OpenTelemetry
13 4 (1.58%) Hibernate
13 4 (1.58%) JPA
13 4 (1.58%) Middleware
13 4 (1.58%) Vue
Miscellaneous
1 39 (15.42%) Cloud Native
2 23 (9.09%) Replication
3 16 (6.32%) Distributed Systems
3 16 (6.32%) Hybrid Cloud
4 15 (5.93%) Data Centre
5 11 (4.35%) BYOD
6 8 (3.16%) Clustering
7 7 (2.77%) EMV
8 6 (2.37%) Data Protection Act
8 6 (2.37%) Foreign Exchange (FX)
9 5 (1.98%) Legacy Systems
9 5 (1.98%) Onboarding
9 5 (1.98%) Tandem
10 4 (1.58%) Enterprise Software
10 4 (1.58%) Mainframe
11 3 (1.19%) DataPower
11 3 (1.19%) Derivative
11 3 (1.19%) Enterprise Storage
11 3 (1.19%) Fixed Income
11 3 (1.19%) NHS
Operating Systems
1 39 (15.42%) Linux
2 31 (12.25%) Windows
3 23 (9.09%) Windows Server
4 9 (3.56%) VMS
5 6 (2.37%) Red Hat Enterprise Linux
6 5 (1.98%) Unix
7 2 (0.79%) CentOS
7 2 (0.79%) Solaris
7 2 (0.79%) Ubuntu
8 1 (0.40%) Data ONTAP
8 1 (0.40%) Oracle Linux
8 1 (0.40%) Rocky
8 1 (0.40%) Windows Server 2016
Processes & Methodologies
1 95 (37.55%) DevOps
2 90 (35.57%) CI/CD
3 78 (30.83%) Disaster Recovery
4 75 (29.64%) Infrastructure as Code
5 63 (24.90%) Problem-Solving
6 44 (17.39%) Agile
7 43 (17.00%) Performance Tuning
8 40 (15.81%) Containerisation
9 36 (14.23%) Microservices
10 35 (13.83%) Migration
10 35 (13.83%) Root Cause Analysis
11 30 (11.86%) Roadmaps
12 28 (11.07%) Analytics
12 28 (11.07%) Observability
13 26 (10.28%) Continuous Improvement
13 26 (10.28%) RBAC
13 26 (10.28%) Task Automation
14 25 (9.88%) Identity Access Management
15 23 (9.09%) Data Protection
16 21 (8.30%) Stakeholder Management
Programming Languages
1 66 (26.09%) Python
2 60 (23.72%) SQL
3 50 (19.76%) PowerShell
4 28 (11.07%) Java
5 25 (9.88%) Bash
6 12 (4.74%) Scala
7 8 (3.16%) C#
7 8 (3.16%) JavaScript
8 6 (2.37%) C
8 6 (2.37%) Perl
8 6 (2.37%) Shell Script
9 5 (1.98%) Bicep
9 5 (1.98%) COBOL
10 4 (1.58%) C++
10 4 (1.58%) PHP
10 4 (1.58%) PL/SQL
11 2 (0.79%) TypeScript
12 1 (0.40%) Go
12 1 (0.40%) Kotlin
12 1 (0.40%) Ruby
Qualifications
1 63 (24.90%) Security Cleared
2 51 (20.16%) SC Cleared
3 18 (7.11%) Degree
4 16 (6.32%) Azure Certification
4 16 (6.32%) Microsoft Certification
5 15 (5.93%) AWS Certification
6 9 (3.56%) Cisco Certification
7 8 (3.16%) DV Cleared
7 8 (3.16%) MCSA
7 8 (3.16%) MCSE
8 7 (2.77%) AWS Certified Solutions Architect
8 7 (2.77%) CCNA
9 6 (2.37%) CCNP
10 5 (1.98%) Computer Science Degree
11 4 (1.58%) BPSS Clearance
11 4 (1.58%) ITIL Certification
11 4 (1.58%) MCTS
11 4 (1.58%) PMI Certification
11 4 (1.58%) PMP
11 4 (1.58%) TOGAF Certification
Quality Assurance & Compliance
1 20 (7.91%) GDPR
2 14 (5.53%) Sarbanes-Oxley
3 13 (5.14%) Data Quality
4 12 (4.74%) QA
5 9 (3.56%) SLA
6 7 (2.77%) PCI DSS
7 5 (1.98%) ISO 8583
8 3 (1.19%) NCSC
9 2 (0.79%) Accessibility
9 2 (0.79%) DICOM
9 2 (0.79%) HL7
10 1 (0.40%) California Consumer Privacy Act
10 1 (0.40%) GRC
10 1 (0.40%) HIPAA
10 1 (0.40%) ISO 22301
10 1 (0.40%) ISO/IEC 27001
10 1 (0.40%) NIST
10 1 (0.40%) NIST 800
System Software
1 43 (17.00%) Active Directory
2 42 (16.60%) Docker
3 9 (3.56%) VMware Infrastructure
4 8 (3.16%) Virtual Machines
5 6 (2.37%) vSphere
6 4 (1.58%) Virtual Desktop
6 4 (1.58%) VMware NSX
7 3 (1.19%) Oracle RAC
7 3 (1.19%) VMware ESXi
8 1 (0.40%) Apache ZooKeeper
8 1 (0.40%) Firmware
8 1 (0.40%) GPFS
8 1 (0.40%) HDFS
8 1 (0.40%) Lustre
8 1 (0.40%) Microsoft App-V
8 1 (0.40%) NFS
8 1 (0.40%) Slurm Workload Manager
Systems Management
1 72 (28.46%) Terraform
2 59 (23.32%) Kubernetes
3 33 (13.04%) Ansible
4 23 (9.09%) Active Directory Federation Services
5 17 (6.72%) Grafana
6 14 (5.53%) Single Sign-On
7 12 (4.74%) Prometheus
8 11 (4.35%) Microsoft Intune
9 8 (3.16%) vCenter Server
10 7 (2.77%) ITRS Geneos
11 5 (1.98%) Kibana
12 4 (1.58%) FortiGate
12 4 (1.58%) Rancher
13 3 (1.19%) Argo
13 3 (1.19%) Microsoft Clustering
13 3 (1.19%) PowerCLI
14 2 (0.79%) Kubeflow
14 2 (0.79%) logstash
14 2 (0.79%) Progress Chef
14 2 (0.79%) Puppet
Vendors
1 58 (22.92%) Microsoft
2 23 (9.09%) Databricks
2 23 (9.09%) Oracle
3 18 (7.11%) Splunk
4 14 (5.53%) Okta
5 13 (5.14%) VMware
6 11 (4.35%) Red Hat
7 9 (3.56%) Cisco
7 9 (3.56%) Palo Alto
8 7 (2.77%) SAP
9 6 (2.37%) Nokia
10 5 (1.98%) HP
10 5 (1.98%) Solace
11 4 (1.58%) AppDynamics
11 4 (1.58%) Ericsson
11 4 (1.58%) Google
11 4 (1.58%) Pure Storage
12 3 (1.19%) F5
12 3 (1.19%) IBM
12 3 (1.19%) Meraki