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

6 months to
16 Feb 2026
Same period 2025 Same period 2024
Rank 188 137 201
Rank change year-on-year -51 +64 +12
Contract jobs citing High Availability 217 258 201
As % of all contract jobs in London 1.42% 1.92% 1.09%
As % of the Processes & Methodologies category 1.57% 2.11% 1.23%
Number of daily rates quoted 153 161 151
10th Percentile £365 £330 £300
25th Percentile £425 £463 £459
Median daily rate (50th Percentile) £525 £575 £600
Median % change year-on-year -8.70% -4.17% -
75th Percentile £644 £700 £681
90th Percentile £750 £775 £700
England median daily rate £500 £575 £550
% change year-on-year -13.04% +4.55% -
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 13,811 12,212 16,383
As % of all contract IT jobs advertised in London 90.59% 90.65% 88.55%
Number of daily rates quoted 9,208 7,805 11,726
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 221 152 344
10th Percentile £18.25 £21.03 £16.02
25th Percentile £25.15 £25.94 £19.55
Median hourly rate £35.00 £37.25 £30.00
Median % change year-on-year -6.04% +24.17% -15.49%
75th Percentile £56.50 £55.38 £51.94
90th Percentile £70.00 £79.88 £72.50
England median hourly rate £25.77 £35.00 £35.00
% change year-on-year -26.37% - -

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 16 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 16 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 16 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% 18
South London -6 7 £300 - 6
West London -16 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 (5.07%) Microsoft Exchange
2 3 (1.38%) Apache Spark
2 3 (1.38%) Confluence
2 3 (1.38%) Ethereum
2 3 (1.38%) Hyperledger
3 2 (0.92%) Apache
3 2 (0.92%) Drupal
3 2 (0.92%) Oracle HTTP Server
3 2 (0.92%) SharePoint
3 2 (0.92%) Tomcat
3 2 (0.92%) WebLogic
3 2 (0.92%) WordPress
4 1 (0.46%) OpenStack
Applications
1 6 (2.76%) Microsoft Office
2 1 (0.46%) Microsoft Excel
2 1 (0.46%) Weka
Business Applications
1 7 (3.23%) Veritas eDiscovery
2 5 (2.30%) BASE24
2 5 (2.30%) Payment Gateway
3 4 (1.84%) SAP S/4HANA
4 2 (0.92%) DELMIA
Cloud Services
1 78 (35.94%) Azure
2 73 (33.64%) AWS
3 30 (13.82%) GCP
4 27 (12.44%) GitHub
5 25 (11.52%) Amazon S3
6 23 (10.60%) AWS CloudFormation
6 23 (10.60%) Entra ID
7 21 (9.68%) Serverless
8 20 (9.22%) Azure DevOps
9 18 (8.29%) AWS Lambda
10 16 (7.37%) Amazon CloudWatch
10 16 (7.37%) Virtual Private Cloud
11 13 (5.99%) GitHub Actions
12 12 (5.53%) Amazon ECS
13 11 (5.07%) Amazon EC2
13 11 (5.07%) Microsoft 365
14 9 (4.15%) Amazon EKS
15 8 (3.69%) Azure Data Factory
15 8 (3.69%) Azure Monitor
15 8 (3.69%) Datadog
Communications & Networking
1 33 (15.21%) DNS
2 31 (14.29%) Firewall
3 18 (8.29%) Network Security
4 16 (7.37%) DHCP
4 16 (7.37%) VPN
5 15 (6.91%) Kerberos
6 12 (5.53%) WAN
7 10 (4.61%) TCP/IP
8 9 (4.15%) LAN
9 8 (3.69%) BGP
9 8 (3.69%) SSL
9 8 (3.69%) Wireshark
10 7 (3.23%) 3GPP
10 7 (3.23%) 4G
10 7 (3.23%) LTE
10 7 (3.23%) OSPF
10 7 (3.23%) Radio Access Network
11 6 (2.76%) SD-WAN
12 5 (2.30%) Multicast
13 4 (1.84%) VLAN
Database & Business Intelligence
1 16 (7.37%) PostgreSQL
2 14 (6.45%) Oracle Database
3 11 (5.07%) Amazon RDS
3 11 (5.07%) Azure SQL Database
4 9 (4.15%) Data Lake
5 8 (3.69%) SQL Server
6 7 (3.23%) SQL Server Integration Services
7 6 (2.76%) Delta Lake
7 6 (2.76%) MySQL
8 5 (2.30%) NonStop SQL
8 5 (2.30%) Relational Database
8 5 (2.30%) SQL Server Analysis Services
8 5 (2.30%) SQL Server Reporting Services
9 4 (1.84%) Data Warehouse
9 4 (1.84%) Elasticsearch
9 4 (1.84%) OLTP
10 3 (1.38%) DynamoDB
10 3 (1.38%) MongoDB
10 3 (1.38%) NoSQL
10 3 (1.38%) Oracle Reports
Development Applications
1 28 (12.90%) Jenkins
2 25 (11.52%) Git
3 16 (7.37%) GitLab
4 10 (4.61%) JIRA
5 4 (1.84%) GCC
6 3 (1.38%) GDB
6 3 (1.38%) SQL Server Management Studio (SSMS)
7 2 (0.92%) IBM UrbanCode
7 2 (0.92%) JUnit
7 2 (0.92%) MLflow
7 2 (0.92%) Sonatype Nexus
7 2 (0.92%) Subversion
7 2 (0.92%) Team Foundation Server
7 2 (0.92%) 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 83 (38.25%) Social Skills
2 43 (19.82%) Finance
3 24 (11.06%) Banking
4 19 (8.76%) Analytical Skills
5 16 (7.37%) Public Sector
6 11 (5.07%) Documentation Skills
7 10 (4.61%) Telecoms
8 7 (3.23%) Influencing Skills
8 7 (3.23%) Legal
9 6 (2.76%) Inclusion and Diversity
9 6 (2.76%) Retail
10 4 (1.84%) Manufacturing
10 4 (1.84%) Presentation Skills
11 3 (1.38%) Financial Institution
11 3 (1.38%) International Banking
12 2 (0.92%) Billing
12 2 (0.92%) Front Office
12 2 (0.92%) Games
12 2 (0.92%) Investment Banking
12 2 (0.92%) Law
Job Titles
1 22 (10.14%) Architect
1 22 (10.14%) Developer
2 20 (9.22%) DevOps Engineer
3 19 (8.76%) Lead
3 19 (8.76%) Senior
4 13 (5.99%) Administrator
5 10 (4.61%) DBA
6 9 (4.15%) Data Engineer
6 9 (4.15%) Java Engineer
7 8 (3.69%) Cloud Engineer
7 8 (3.69%) Linux Administrator
7 8 (3.69%) Microsoft 365 Engineer
7 8 (3.69%) Network Engineer
7 8 (3.69%) Senior DevOps
7 8 (3.69%) Senior DevOps Engineer
8 7 (3.23%) Network Design Specialist
8 7 (3.23%) Network Specialist
8 7 (3.23%) Oracle DBA
8 7 (3.23%) Performance Specialist
9 6 (2.76%) Cloud Architect
Libraries, Frameworks & Software Standards
1 19 (8.76%) OAuth
2 17 (7.83%) Spring
3 15 (6.91%) SAML
3 15 (6.91%) Spring Boot
4 14 (6.45%) LDAP
5 13 (5.99%) RESTful
6 10 (4.61%) REST
7 9 (4.15%) Kafka
8 6 (2.76%) Elastic Stack
8 6 (2.76%) JSON
8 6 (2.76%) Middleware
8 6 (2.76%) PySpark
8 6 (2.76%) XML
9 5 (2.30%) .NET
9 5 (2.30%) AngularJS
9 5 (2.30%) Node.js
9 5 (2.30%) OpenTelemetry
10 4 (1.84%) FIX Protocol
10 4 (1.84%) Hibernate
10 4 (1.84%) JPA
Miscellaneous
1 35 (16.13%) Cloud Native
2 25 (11.52%) Replication
3 16 (7.37%) Distributed Systems
4 15 (6.91%) Hybrid Cloud
5 12 (5.53%) Data Centre
6 7 (3.23%) BYOD
6 7 (3.23%) Foreign Exchange (FX)
7 6 (2.76%) Clustering
8 5 (2.30%) EMV
8 5 (2.30%) Tandem
9 4 (1.84%) Distributed Architecture
9 4 (1.84%) Onboarding
10 3 (1.38%) Algorithms
10 3 (1.38%) Blockchain
10 3 (1.38%) Derivative
10 3 (1.38%) Fixed Income
10 3 (1.38%) Legacy Systems
10 3 (1.38%) Linux Command Line
10 3 (1.38%) Mainframe
10 3 (1.38%) NHS
Operating Systems
1 40 (18.43%) Linux
2 25 (11.52%) Windows
3 19 (8.76%) Windows Server
4 9 (4.15%) Red Hat Enterprise Linux
5 7 (3.23%) Unix
5 7 (3.23%) VMS
6 4 (1.84%) CentOS
6 4 (1.84%) Solaris
6 4 (1.84%) Ubuntu
7 2 (0.92%) 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 (41.94%) DevOps
2 84 (38.71%) CI/CD
3 64 (29.49%) Infrastructure as Code
4 59 (27.19%) Disaster Recovery
5 53 (24.42%) Problem-Solving
6 38 (17.51%) Containerisation
7 36 (16.59%) Agile
7 36 (16.59%) Root Cause Analysis
8 31 (14.29%) Microservices
9 29 (13.36%) Migration
9 29 (13.36%) Performance Tuning
10 26 (11.98%) Observability
10 26 (11.98%) RBAC
11 24 (11.06%) Continuous Improvement
12 23 (10.60%) Identity Access Management
12 23 (10.60%) Incident Response
13 22 (10.14%) Roadmaps
13 22 (10.14%) Task Automation
14 21 (9.68%) Stakeholder Management
15 20 (9.22%) ITIL
Programming Languages
1 61 (28.11%) Python
2 42 (19.35%) PowerShell
3 40 (18.43%) SQL
4 30 (13.82%) Bash
5 25 (11.52%) Java
6 8 (3.69%) JavaScript
7 6 (2.76%) C#
7 6 (2.76%) Perl
7 6 (2.76%) Scala
7 6 (2.76%) Shell Script
8 5 (2.30%) C
8 5 (2.30%) COBOL
9 4 (1.84%) PHP
9 4 (1.84%) PL/SQL
10 3 (1.38%) C++
11 2 (0.92%) Bicep
11 2 (0.92%) Kotlin
11 2 (0.92%) TypeScript
12 1 (0.46%) Cypher
12 1 (0.46%) Swift
Qualifications
1 50 (23.04%) Security Cleared
2 41 (18.89%) SC Cleared
3 15 (6.91%) AWS Certification
4 13 (5.99%) Degree
5 10 (4.61%) Azure Certification
5 10 (4.61%) Microsoft Certification
6 8 (3.69%) AWS Certified Solutions Architect
6 8 (3.69%) Cisco Certification
6 8 (3.69%) DV Cleared
7 7 (3.23%) MCSA
7 7 (3.23%) MCSE
8 6 (2.76%) CCNA
9 5 (2.30%) CCNP
9 5 (2.30%) Computer Science Degree
9 5 (2.30%) ITIL Certification
10 4 (1.84%) PMI Certification
10 4 (1.84%) PMP
10 4 (1.84%) TOGAF Certification
11 3 (1.38%) AWS Certified DevOps Engineer
11 3 (1.38%) BPSS Clearance
Quality Assurance & Compliance
1 20 (9.22%) GDPR
2 16 (7.37%) Sarbanes-Oxley
3 9 (4.15%) QA
4 7 (3.23%) Data Quality
5 5 (2.30%) ISO 8583
6 4 (1.84%) PCI DSS
7 3 (1.38%) SLA
8 1 (0.46%) Accessibility
8 1 (0.46%) California Consumer Privacy Act
8 1 (0.46%) GRC
8 1 (0.46%) HIPAA
8 1 (0.46%) ISO 22301
8 1 (0.46%) NCSC
8 1 (0.46%) NIST
8 1 (0.46%) NIST 800
System Software
1 43 (19.82%) Docker
2 27 (12.44%) Active Directory
3 10 (4.61%) VMware Infrastructure
4 6 (2.76%) Virtual Machines
4 6 (2.76%) vSphere
5 5 (2.30%) VMware ESXi
6 4 (1.84%) Virtual Desktop
6 4 (1.84%) VMware NSX
7 3 (1.38%) Oracle RAC
8 2 (0.92%) NFS
8 2 (0.92%) Veritas File System
8 2 (0.92%) 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 (28.57%) Terraform
2 54 (24.88%) Kubernetes
3 37 (17.05%) Ansible
4 21 (9.68%) Active Directory Federation Services
5 15 (6.91%) Grafana
5 15 (6.91%) Single Sign-On
6 13 (5.99%) Prometheus
7 8 (3.69%) ITRS Geneos
7 8 (3.69%) Microsoft Intune
8 7 (3.23%) vCenter Server
9 6 (2.76%) Kibana
10 4 (1.84%) FortiGate
11 3 (1.38%) Argo
11 3 (1.38%) logstash
11 3 (1.38%) Microsoft Clustering
11 3 (1.38%) QRadar
11 3 (1.38%) Red Hat Satellite
12 2 (0.92%) Kubeflow
12 2 (0.92%) PowerCLI
12 2 (0.92%) Rancher
Vendors
1 39 (17.97%) Microsoft
2 19 (8.76%) Oracle
2 19 (8.76%) Splunk
3 15 (6.91%) Databricks
4 14 (6.45%) Okta
5 13 (5.99%) Palo Alto
6 12 (5.53%) Red Hat
6 12 (5.53%) VMware
7 9 (4.15%) Cisco
7 9 (4.15%) Nokia
8 8 (3.69%) SAP
9 7 (3.23%) Actix
9 7 (3.23%) Ericsson
10 6 (2.76%) F5
10 6 (2.76%) Solace
11 5 (2.30%) CheckPoint
11 5 (2.30%) HP
12 4 (1.84%) Fortinet
12 4 (1.84%) Google
12 4 (1.84%) Zscaler