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

6 months to
20 Feb 2026
Same period 2025 Same period 2024
Rank 197 132 207
Rank change year-on-year -65 +75 +11
Contract jobs citing High Availability 219 268 199
As % of all contract jobs in London 1.40% 1.98% 1.08%
As % of the Processes & Methodologies category 1.55% 2.18% 1.22%
Number of daily rates quoted 154 169 150
10th Percentile £366 £346 £300
25th Percentile £425 £455 £463
Median daily rate (50th Percentile) £525 £575 £600
Median % change year-on-year -8.70% -4.17% -
75th Percentile £642 £700 £684
90th Percentile £750 £775 £700
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -
Number of hourly rates quoted 2 4 1
10th Percentile £26.28 £21.10 -
25th Percentile £31.20 £22.84 £91.25
Median hourly rate £40.38 £23.80 £92.50
Median % change year-on-year +69.67% -74.27% +259.78%
75th Percentile £50.54 - £93.75
90th Percentile £56.05 - -
England median hourly rate £61.38 £23.80 £88.50
% change year-on-year +157.90% -73.11% +244.22%

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 14,143 12,286 16,265
As % of all contract IT jobs advertised in London 90.44% 90.69% 88.57%
Number of daily rates quoted 9,444 7,897 11,628
10th Percentile £350 £350 £338
25th Percentile £425 £450 £450
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -8.33%
75th Percentile £650 £675 £675
90th Percentile £750 £800 £788
England median daily rate £500 £525 £525
% change year-on-year -4.76% - -4.55%
Number of hourly rates quoted 219 156 343
10th Percentile £18.21 £20.23 £16.02
25th Percentile £24.81 £24.73 £19.53
Median hourly rate £35.50 £37.00 £30.00
Median % change year-on-year -4.05% +23.33% -16.67%
75th Percentile £56.73 £55.25 £52.50
90th Percentile £70.00 £78.58 £72.50
England median hourly rate £26.61 £35.00 £35.00
% change year-on-year -23.99% - -

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 February 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 February 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 February 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 -38 24 £563 -2.17% 27
South London -10 7 £300 - 7
West London -18 6 £375 -21.05% 4
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 11 (5.02%) Microsoft Exchange
2 3 (1.37%) Apache Spark
2 3 (1.37%) Confluence
2 3 (1.37%) Ethereum
2 3 (1.37%) Hyperledger
3 2 (0.91%) Apache
3 2 (0.91%) Drupal
3 2 (0.91%) Oracle HTTP Server
3 2 (0.91%) SharePoint
3 2 (0.91%) Tomcat
3 2 (0.91%) WebLogic
3 2 (0.91%) WordPress
4 1 (0.46%) OpenStack
Applications
1 6 (2.74%) Microsoft Office
2 1 (0.46%) Microsoft Excel
2 1 (0.46%) Weka
Business Applications
1 7 (3.20%) Veritas eDiscovery
2 5 (2.28%) BASE24
2 5 (2.28%) Payment Gateway
3 4 (1.83%) SAP S/4HANA
4 2 (0.91%) DELMIA
Cloud Services
1 81 (36.99%) Azure
2 73 (33.33%) AWS
3 32 (14.61%) GCP
4 28 (12.79%) GitHub
5 25 (11.42%) Amazon S3
6 23 (10.50%) AWS CloudFormation
6 23 (10.50%) Entra ID
7 21 (9.59%) Azure DevOps
8 20 (9.13%) Serverless
9 17 (7.76%) AWS Lambda
10 16 (7.31%) Amazon CloudWatch
10 16 (7.31%) Virtual Private Cloud
11 13 (5.94%) GitHub Actions
12 12 (5.48%) Amazon ECS
13 11 (5.02%) Amazon EC2
13 11 (5.02%) Microsoft 365
14 9 (4.11%) Amazon EKS
14 9 (4.11%) Azure Data Factory
14 9 (4.11%) Azure Monitor
14 9 (4.11%) Azure Synapse Analytics
Communications & Networking
1 33 (15.07%) DNS
2 30 (13.70%) Firewall
3 18 (8.22%) Network Security
4 16 (7.31%) DHCP
4 16 (7.31%) VPN
5 15 (6.85%) Kerberos
6 12 (5.48%) WAN
7 10 (4.57%) TCP/IP
8 9 (4.11%) LAN
9 8 (3.65%) SSL
10 7 (3.20%) BGP
11 6 (2.74%) 3GPP
11 6 (2.74%) 4G
11 6 (2.74%) LTE
11 6 (2.74%) OSPF
11 6 (2.74%) Radio Access Network
11 6 (2.74%) SD-WAN
11 6 (2.74%) Wireshark
12 5 (2.28%) Multicast
13 4 (1.83%) VLAN
Database & Business Intelligence
1 15 (6.85%) PostgreSQL
2 14 (6.39%) Oracle Database
3 12 (5.48%) Azure SQL Database
4 10 (4.57%) Amazon RDS
4 10 (4.57%) Data Lake
4 10 (4.57%) SQL Server
5 7 (3.20%) Delta Lake
5 7 (3.20%) SQL Server Integration Services
6 6 (2.74%) MySQL
7 5 (2.28%) NonStop SQL
7 5 (2.28%) Relational Database
7 5 (2.28%) SQL Server Analysis Services
7 5 (2.28%) SQL Server Reporting Services
8 4 (1.83%) Data Warehouse
8 4 (1.83%) Elasticsearch
8 4 (1.83%) OLTP
9 3 (1.37%) DynamoDB
9 3 (1.37%) MongoDB
9 3 (1.37%) NoSQL
9 3 (1.37%) Oracle Reports
Development Applications
1 28 (12.79%) Jenkins
2 25 (11.42%) Git
3 16 (7.31%) GitLab
4 10 (4.57%) JIRA
5 4 (1.83%) GCC
6 3 (1.37%) GDB
6 3 (1.37%) SQL Server Management Studio (SSMS)
7 2 (0.91%) IBM UrbanCode
7 2 (0.91%) JUnit
7 2 (0.91%) MLflow
7 2 (0.91%) Sonatype Nexus
7 2 (0.91%) Subversion
7 2 (0.91%) Team Foundation Server
7 2 (0.91%) TeamCity
8 1 (0.46%) Cypress.io
8 1 (0.46%) Jaeger
8 1 (0.46%) Maven
8 1 (0.46%) MSI
8 1 (0.46%) SonarQube
8 1 (0.46%) Xcode
General
1 82 (37.44%) Social Skills
2 44 (20.09%) Finance
3 24 (10.96%) Banking
4 19 (8.68%) Analytical Skills
5 16 (7.31%) Public Sector
6 11 (5.02%) Documentation Skills
7 9 (4.11%) Telecoms
8 7 (3.20%) Influencing Skills
8 7 (3.20%) Legal
8 7 (3.20%) Retail
9 6 (2.74%) Inclusion and Diversity
10 4 (1.83%) Manufacturing
10 4 (1.83%) Presentation Skills
11 3 (1.37%) Financial Institution
11 3 (1.37%) International Banking
12 2 (0.91%) Billing
12 2 (0.91%) Front Office
12 2 (0.91%) Games
12 2 (0.91%) Investment Banking
12 2 (0.91%) Law
Job Titles
1 24 (10.96%) Architect
2 22 (10.05%) Developer
3 20 (9.13%) Senior
4 19 (8.68%) DevOps Engineer
4 19 (8.68%) Lead
5 14 (6.39%) Administrator
6 11 (5.02%) DBA
7 10 (4.57%) Data Engineer
8 9 (4.11%) Java Engineer
9 8 (3.65%) Cloud Engineer
9 8 (3.65%) Linux Administrator
9 8 (3.65%) Microsoft 365 Engineer
9 8 (3.65%) Senior DevOps
9 8 (3.65%) Senior DevOps Engineer
10 7 (3.20%) Network Engineer
10 7 (3.20%) Oracle DBA
10 7 (3.20%) SQL DBA
11 6 (2.74%) Cloud Architect
11 6 (2.74%) Consultant
11 6 (2.74%) Network Specialist
Libraries, Frameworks & Software Standards
1 19 (8.68%) OAuth
2 17 (7.76%) Spring
3 15 (6.85%) SAML
3 15 (6.85%) Spring Boot
4 14 (6.39%) LDAP
5 13 (5.94%) RESTful
6 11 (5.02%) REST
7 9 (4.11%) Kafka
8 7 (3.20%) PySpark
9 6 (2.74%) Elastic Stack
9 6 (2.74%) JSON
9 6 (2.74%) Middleware
9 6 (2.74%) XML
10 5 (2.28%) .NET
10 5 (2.28%) AngularJS
10 5 (2.28%) Node.js
10 5 (2.28%) OpenTelemetry
11 4 (1.83%) ARM Templates
11 4 (1.83%) FIX Protocol
11 4 (1.83%) React
Miscellaneous
1 35 (15.98%) Cloud Native
2 25 (11.42%) Replication
3 16 (7.31%) Distributed Systems
4 15 (6.85%) Hybrid Cloud
5 12 (5.48%) Data Centre
6 7 (3.20%) BYOD
6 7 (3.20%) Foreign Exchange (FX)
7 6 (2.74%) Clustering
7 6 (2.74%) EMV
8 5 (2.28%) Tandem
9 4 (1.83%) Distributed Architecture
9 4 (1.83%) Legacy Systems
9 4 (1.83%) Mainframe
9 4 (1.83%) Onboarding
10 3 (1.37%) Algorithms
10 3 (1.37%) Blockchain
10 3 (1.37%) Derivative
10 3 (1.37%) Fixed Income
10 3 (1.37%) Linux Command Line
10 3 (1.37%) NHS
Operating Systems
1 40 (18.26%) Linux
2 25 (11.42%) Windows
3 19 (8.68%) Windows Server
4 9 (4.11%) Red Hat Enterprise Linux
5 7 (3.20%) Unix
5 7 (3.20%) VMS
6 4 (1.83%) CentOS
6 4 (1.83%) Solaris
6 4 (1.83%) Ubuntu
7 2 (0.91%) Windows Server 2016
8 1 (0.46%) Android
8 1 (0.46%) Apple iOS
8 1 (0.46%) Windows Server 2019
Processes & Methodologies
1 91 (41.55%) DevOps
2 84 (38.36%) CI/CD
3 65 (29.68%) Infrastructure as Code
4 59 (26.94%) Disaster Recovery
5 53 (24.20%) Problem-Solving
6 38 (17.35%) Containerisation
7 36 (16.44%) Agile
7 36 (16.44%) Root Cause Analysis
8 31 (14.16%) Microservices
9 30 (13.70%) Performance Tuning
10 29 (13.24%) Migration
11 27 (12.33%) Observability
12 26 (11.87%) RBAC
13 25 (11.42%) Continuous Improvement
14 23 (10.50%) Identity Access Management
14 23 (10.50%) Incident Response
14 23 (10.50%) Roadmaps
15 22 (10.05%) Task Automation
16 21 (9.59%) ITIL
16 21 (9.59%) Stakeholder Management
Programming Languages
1 61 (27.85%) Python
2 43 (19.63%) SQL
3 42 (19.18%) PowerShell
4 30 (13.70%) Bash
5 25 (11.42%) Java
6 9 (4.11%) JavaScript
7 7 (3.20%) Scala
8 6 (2.74%) C#
8 6 (2.74%) Perl
9 5 (2.28%) C
9 5 (2.28%) COBOL
9 5 (2.28%) Shell Script
10 4 (1.83%) PHP
10 4 (1.83%) PL/SQL
11 3 (1.37%) C++
12 2 (0.91%) Bicep
12 2 (0.91%) Kotlin
12 2 (0.91%) TypeScript
13 1 (0.46%) Cypher
13 1 (0.46%) Swift
Qualifications
1 50 (22.83%) Security Cleared
2 41 (18.72%) SC Cleared
3 15 (6.85%) AWS Certification
4 13 (5.94%) Degree
5 10 (4.57%) Azure Certification
5 10 (4.57%) Microsoft Certification
6 8 (3.65%) AWS Certified Solutions Architect
6 8 (3.65%) Cisco Certification
6 8 (3.65%) DV Cleared
7 7 (3.20%) MCSA
7 7 (3.20%) MCSE
8 6 (2.74%) CCNA
9 5 (2.28%) CCNP
9 5 (2.28%) Computer Science Degree
9 5 (2.28%) ITIL Certification
10 4 (1.83%) PMI Certification
10 4 (1.83%) PMP
10 4 (1.83%) TOGAF Certification
11 3 (1.37%) AWS Certified DevOps Engineer
11 3 (1.37%) BPSS Clearance
Quality Assurance & Compliance
1 20 (9.13%) GDPR
2 16 (7.31%) Sarbanes-Oxley
3 9 (4.11%) QA
4 8 (3.65%) Data Quality
5 5 (2.28%) ISO 8583
5 5 (2.28%) PCI DSS
6 3 (1.37%) SLA
7 1 (0.46%) Accessibility
7 1 (0.46%) California Consumer Privacy Act
7 1 (0.46%) GRC
7 1 (0.46%) HIPAA
7 1 (0.46%) ISO 22301
7 1 (0.46%) NCSC
7 1 (0.46%) NIST
7 1 (0.46%) NIST 800
System Software
1 43 (19.63%) Docker
2 27 (12.33%) Active Directory
3 10 (4.57%) VMware Infrastructure
4 6 (2.74%) Virtual Machines
4 6 (2.74%) vSphere
5 5 (2.28%) VMware ESXi
6 4 (1.83%) Virtual Desktop
6 4 (1.83%) VMware NSX
7 3 (1.37%) Oracle RAC
8 2 (0.91%) NFS
8 2 (0.91%) Veritas File System
8 2 (0.91%) Veritas Volume Manager
9 1 (0.46%) Apache ZooKeeper
9 1 (0.46%) GPFS
9 1 (0.46%) HDFS
9 1 (0.46%) Lustre
9 1 (0.46%) Microsoft App-V
9 1 (0.46%) Slurm Workload Manager
Systems Management
1 62 (28.31%) Terraform
2 53 (24.20%) Kubernetes
3 37 (16.89%) Ansible
4 21 (9.59%) Active Directory Federation Services
5 16 (7.31%) Grafana
6 15 (6.85%) Single Sign-On
7 13 (5.94%) Prometheus
8 8 (3.65%) ITRS Geneos
8 8 (3.65%) Microsoft Intune
9 7 (3.20%) vCenter Server
10 6 (2.74%) Kibana
11 3 (1.37%) Argo
11 3 (1.37%) FortiGate
11 3 (1.37%) logstash
11 3 (1.37%) Microsoft Clustering
11 3 (1.37%) QRadar
11 3 (1.37%) Red Hat Satellite
12 2 (0.91%) Kubeflow
12 2 (0.91%) PowerCLI
12 2 (0.91%) Rancher
Vendors
1 40 (18.26%) Microsoft
2 20 (9.13%) Splunk
3 19 (8.68%) Oracle
4 16 (7.31%) Databricks
5 14 (6.39%) Okta
6 13 (5.94%) Palo Alto
7 12 (5.48%) Red Hat
7 12 (5.48%) VMware
8 8 (3.65%) Cisco
8 8 (3.65%) Nokia
8 8 (3.65%) SAP
9 6 (2.74%) Actix
9 6 (2.74%) Ericsson
9 6 (2.74%) F5
9 6 (2.74%) Solace
10 5 (2.28%) CheckPoint
10 5 (2.28%) HP
11 4 (1.83%) Google
11 4 (1.83%) Pure Storage
11 4 (1.83%) Zscaler