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

6 months to
21 Jan 2026
Same period 2025 Same period 2024
Rank 171 145 190
Rank change year-on-year -26 +45 +57
Contract jobs citing High Availability 227 249 220
As % of all contract jobs in London 1.56% 1.79% 1.21%
As % of the Processes & Methodologies category 1.71% 1.98% 1.36%
Number of daily rates quoted 160 156 164
10th Percentile £374 £334 £309
25th Percentile £425 £463 £473
Median daily rate (50th Percentile) £525 £575 £600
Median % change year-on-year -8.70% -4.17% -
75th Percentile £638 £700 £677
90th Percentile £750 £775 £700
England median daily rate £500 £575 £550
% change year-on-year -13.04% +4.55% -2.22%
Number of hourly rates quoted 2 6 3
10th Percentile £23.30 £21.87 £62.00
25th Percentile £23.75 - £72.50
Median hourly rate £24.50 £23.80 £90.00
Median % change year-on-year +2.94% -73.56% +250.06%
75th Percentile £25.25 - £91.88
90th Percentile £25.70 £61.90 £93.00
England median hourly rate £65.00 £23.80 £88.50
% change year-on-year +173.09% -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 13,291 12,555 16,175
As % of all contract IT jobs advertised in London 91.17% 90.44% 88.87%
Number of daily rates quoted 8,813 8,005 11,559
10th Percentile £350 £350 £350
25th Percentile £425 £450 £450
Median daily rate (50th Percentile) £525 £550 £558
Median % change year-on-year -4.55% -1.43% -7.00%
75th Percentile £650 £675 £675
90th Percentile £750 £800 £788
England median daily rate £500 £525 £535
% change year-on-year -4.76% -1.87% -2.73%
Number of hourly rates quoted 220 154 294
10th Percentile £18.25 £20.23 £16.25
25th Percentile £24.61 £24.66 £19.93
Median hourly rate £32.98 £35.00 £31.13
Median % change year-on-year -5.77% +12.45% -12.32%
75th Percentile £55.25 £53.75 £53.75
90th Percentile £70.00 £80.53 £73.38
England median hourly rate £25.15 £35.00 £38.16
% change year-on-year -28.14% -8.27% +9.67%

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 21 January 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
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 21 January 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 -29 28 £563 -2.17% 29
West London -16 6 £375 -21.05% 8
South London - 3 £300 - 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 11 (4.85%) Microsoft Exchange
2 3 (1.32%) Apache Spark
2 3 (1.32%) Confluence
2 3 (1.32%) Ethereum
2 3 (1.32%) Hyperledger
3 2 (0.88%) Apache
3 2 (0.88%) nginx
3 2 (0.88%) Oracle HTTP Server
3 2 (0.88%) Tomcat
3 2 (0.88%) WebLogic
4 1 (0.44%) Drupal
4 1 (0.44%) OpenStack
4 1 (0.44%) SAS
4 1 (0.44%) SharePoint
4 1 (0.44%) WordPress
Applications
1 6 (2.64%) Microsoft Office
2 1 (0.44%) Microsoft Excel
2 1 (0.44%) Weka
Business Applications
1 7 (3.08%) Veritas eDiscovery
2 6 (2.64%) SAP S/4HANA
3 5 (2.20%) BASE24
3 5 (2.20%) Payment Gateway
4 2 (0.88%) DELMIA
Cloud Services
1 74 (32.60%) AWS
2 70 (30.84%) Azure
3 29 (12.78%) Amazon S3
4 28 (12.33%) GitHub
5 23 (10.13%) GCP
5 23 (10.13%) Serverless
6 22 (9.69%) AWS CloudFormation
7 21 (9.25%) Entra ID
8 20 (8.81%) Amazon CloudWatch
8 20 (8.81%) AWS Lambda
8 20 (8.81%) Virtual Private Cloud
9 16 (7.05%) Azure DevOps
10 15 (6.61%) Amazon EC2
10 15 (6.61%) GitHub Actions
11 12 (5.29%) Amazon ECS
12 10 (4.41%) Amazon EKS
13 9 (3.96%) Amazon ELB
13 9 (3.96%) Datadog
13 9 (3.96%) Microsoft 365
14 7 (3.08%) Google Kubernetes Engine
Communications & Networking
1 37 (16.30%) DNS
2 32 (14.10%) Firewall
3 22 (9.69%) VPN
4 19 (8.37%) Network Security
5 18 (7.93%) TCP/IP
6 16 (7.05%) DHCP
7 15 (6.61%) WAN
8 14 (6.17%) Kerberos
9 13 (5.73%) SSL
10 9 (3.96%) LAN
10 9 (3.96%) SD-WAN
11 8 (3.52%) 4G
11 8 (3.52%) BGP
11 8 (3.52%) Wireshark
12 7 (3.08%) 3GPP
12 7 (3.08%) LTE
12 7 (3.08%) OSPF
12 7 (3.08%) Radio Access Network
13 6 (2.64%) HTTP
13 6 (2.64%) Multicast
Database & Business Intelligence
1 17 (7.49%) PostgreSQL
2 12 (5.29%) Oracle Database
3 11 (4.85%) Amazon RDS
3 11 (4.85%) Relational Database
4 9 (3.96%) SQL Server
5 8 (3.52%) MySQL
5 8 (3.52%) NoSQL
6 7 (3.08%) Azure SQL Database
6 7 (3.08%) Elasticsearch
7 6 (2.64%) MongoDB
8 5 (2.20%) NonStop SQL
8 5 (2.20%) SQL Server Integration Services
9 4 (1.76%) Data Warehouse
9 4 (1.76%) OLTP
10 3 (1.32%) Big Data
10 3 (1.32%) DynamoDB
10 3 (1.32%) Hadoop
10 3 (1.32%) Oracle Reports
10 3 (1.32%) SQL Server Analysis Services
10 3 (1.32%) SQL Server Reporting Services
Development Applications
1 35 (15.42%) Jenkins
2 25 (11.01%) Git
3 21 (9.25%) GitLab
4 11 (4.85%) JIRA
5 4 (1.76%) Cypress.io
5 4 (1.76%) GCC
5 4 (1.76%) Subversion
5 4 (1.76%) TeamCity
6 3 (1.32%) GDB
7 2 (0.88%) Bitbucket
7 2 (0.88%) IBM UrbanCode
7 2 (0.88%) JUnit
7 2 (0.88%) MLflow
7 2 (0.88%) Robot Framework
7 2 (0.88%) SonarQube
7 2 (0.88%) Sonatype Nexus
7 2 (0.88%) Team Foundation Server
8 1 (0.44%) Jaeger
8 1 (0.44%) Maven
8 1 (0.44%) MSI
General
1 89 (39.21%) Social Skills
2 46 (20.26%) Finance
3 26 (11.45%) Banking
4 24 (10.57%) Analytical Skills
5 20 (8.81%) Public Sector
6 10 (4.41%) Telecoms
7 7 (3.08%) Documentation Skills
7 7 (3.08%) Inclusion and Diversity
7 7 (3.08%) Legal
8 6 (2.64%) Influencing Skills
8 6 (2.64%) Retail
9 4 (1.76%) Financial Institution
9 4 (1.76%) Manufacturing
9 4 (1.76%) Presentation Skills
10 3 (1.32%) International Banking
10 3 (1.32%) Investment Banking
10 3 (1.32%) Organisational Skills
11 2 (0.88%) Billing
11 2 (0.88%) Front Office
11 2 (0.88%) Law
Job Titles
1 25 (11.01%) Developer
2 24 (10.57%) DevOps Engineer
3 23 (10.13%) Senior
4 20 (8.81%) Lead
5 16 (7.05%) Architect
6 15 (6.61%) Administrator
7 13 (5.73%) Network Engineer
8 11 (4.85%) Java Engineer
9 10 (4.41%) DBA
9 10 (4.41%) Linux Administrator
10 9 (3.96%) Infrastructure Engineer
10 9 (3.96%) Senior DevOps
10 9 (3.96%) Senior DevOps Engineer
11 8 (3.52%) Consultant
11 8 (3.52%) Microsoft 365 Engineer
12 7 (3.08%) Cloud Engineer
12 7 (3.08%) Network Design Specialist
12 7 (3.08%) Network Specialist
12 7 (3.08%) Performance Specialist
13 6 (2.64%) Cloud Architect
Libraries, Frameworks & Software Standards
1 22 (9.69%) OAuth
2 18 (7.93%) RESTful
3 17 (7.49%) Spring
4 14 (6.17%) REST
4 14 (6.17%) SAML
4 14 (6.17%) Spring Boot
5 13 (5.73%) LDAP
6 10 (4.41%) JSON
6 10 (4.41%) Kafka
6 10 (4.41%) XML
7 8 (3.52%) Elastic Stack
8 7 (3.08%) .NET
9 6 (2.64%) FIX Protocol
9 6 (2.64%) Middleware
9 6 (2.64%) Node.js
10 5 (2.20%) AngularJS
10 5 (2.20%) ARM Templates
10 5 (2.20%) OAuth2
11 4 (1.76%) OpenTelemetry
11 4 (1.76%) Ultra Messaging
Miscellaneous
1 39 (17.18%) Cloud Native
2 30 (13.22%) Replication
3 14 (6.17%) Distributed Systems
3 14 (6.17%) Hybrid Cloud
4 9 (3.96%) Clustering
4 9 (3.96%) Data Centre
5 7 (3.08%) BYOD
5 7 (3.08%) Foreign Exchange (FX)
6 5 (2.20%) Algorithms
6 5 (2.20%) EMV
6 5 (2.20%) Tandem
7 4 (1.76%) Distributed Architecture
7 4 (1.76%) Onboarding
7 4 (1.76%) Product Ownership
8 3 (1.32%) Blockchain
8 3 (1.32%) Fixed Income
8 3 (1.32%) Linux Command Line
8 3 (1.32%) Private Cloud
8 3 (1.32%) Public Cloud
8 3 (1.32%) Self-Motivation
Operating Systems
1 46 (20.26%) Linux
2 27 (11.89%) Windows
3 19 (8.37%) Windows Server
4 11 (4.85%) Red Hat Enterprise Linux
5 10 (4.41%) Unix
6 8 (3.52%) VMS
7 6 (2.64%) Solaris
8 4 (1.76%) CentOS
8 4 (1.76%) Ubuntu
9 2 (0.88%) Windows Server 2016
10 1 (0.44%) AIX
10 1 (0.44%) Android
10 1 (0.44%) Apple iOS
10 1 (0.44%) Windows Server 2019
Processes & Methodologies
1 95 (41.85%) DevOps
2 91 (40.09%) CI/CD
3 62 (27.31%) Infrastructure as Code
4 57 (25.11%) Problem-Solving
5 51 (22.47%) Disaster Recovery
6 45 (19.82%) Containerisation
7 44 (19.38%) Agile
8 39 (17.18%) Root Cause Analysis
9 36 (15.86%) Microservices
10 30 (13.22%) Performance Tuning
11 28 (12.33%) Continuous Improvement
12 27 (11.89%) Migration
13 26 (11.45%) Observability
13 26 (11.45%) RBAC
14 25 (11.01%) Incident Response
15 24 (10.57%) Task Automation
16 22 (9.69%) Infrastructure Automation
16 22 (9.69%) Stakeholder Management
17 21 (9.25%) ITIL
17 21 (9.25%) Low Latency
Programming Languages
1 73 (32.16%) Python
2 41 (18.06%) PowerShell
3 40 (17.62%) SQL
4 35 (15.42%) Bash
5 30 (13.22%) Java
6 11 (4.85%) Perl
7 10 (4.41%) JavaScript
8 8 (3.52%) C#
9 7 (3.08%) Shell Script
10 6 (2.64%) C
11 5 (2.20%) COBOL
12 4 (1.76%) C++
12 4 (1.76%) PL/SQL
13 3 (1.32%) PHP
14 2 (0.88%) Bicep
14 2 (0.88%) Go
14 2 (0.88%) TypeScript
15 1 (0.44%) Kotlin
15 1 (0.44%) Scala
15 1 (0.44%) Swift
Qualifications
1 47 (20.70%) Security Cleared
2 39 (17.18%) SC Cleared
3 15 (6.61%) Degree
4 11 (4.85%) AWS Certification
5 10 (4.41%) Microsoft Certification
6 8 (3.52%) Azure Certification
6 8 (3.52%) Cisco Certification
7 7 (3.08%) CCNA
7 7 (3.08%) Computer Science Degree
7 7 (3.08%) MCSA
7 7 (3.08%) MCSE
8 6 (2.64%) AWS Certified Solutions Architect
9 5 (2.20%) ITIL Certification
10 4 (1.76%) CCNP
10 4 (1.76%) DV Cleared
10 4 (1.76%) PMI Certification
10 4 (1.76%) PMP
11 3 (1.32%) AWS Certified DevOps Engineer
11 3 (1.32%) BPSS Clearance
12 2 (0.88%) OCP
Quality Assurance & Compliance
1 21 (9.25%) GDPR
2 17 (7.49%) Sarbanes-Oxley
3 10 (4.41%) QA
4 5 (2.20%) ISO 8583
5 4 (1.76%) PCI DSS
6 3 (1.32%) SLA
7 2 (0.88%) Data Quality
8 1 (0.44%) Accessibility
8 1 (0.44%) California Consumer Privacy Act
8 1 (0.44%) HIPAA
8 1 (0.44%) NCSC
System Software
1 50 (22.03%) Docker
2 25 (11.01%) Active Directory
3 12 (5.29%) VMware Infrastructure
4 7 (3.08%) VMware ESXi
5 5 (2.20%) Virtual Machines
5 5 (2.20%) vSphere
6 4 (1.76%) NFS
6 4 (1.76%) Veritas File System
6 4 (1.76%) Veritas Volume Manager
6 4 (1.76%) Virtual Desktop
7 3 (1.32%) Oracle RAC
7 3 (1.32%) VMware NSX
8 1 (0.44%) Apache ZooKeeper
8 1 (0.44%) GPFS
8 1 (0.44%) HDFS
8 1 (0.44%) Lustre
8 1 (0.44%) Microsoft App-V
8 1 (0.44%) Slurm Workload Manager
Systems Management
1 61 (26.87%) Terraform
2 53 (23.35%) Kubernetes
3 48 (21.15%) Ansible
4 20 (8.81%) Active Directory Federation Services
5 16 (7.05%) Grafana
6 14 (6.17%) Prometheus
6 14 (6.17%) Single Sign-On
7 10 (4.41%) ITRS Geneos
8 9 (3.96%) Microsoft Intune
9 8 (3.52%) Kibana
10 5 (2.20%) FortiGate
10 5 (2.20%) logstash
10 5 (2.20%) Puppet
10 5 (2.20%) Red Hat Satellite
10 5 (2.20%) vCenter Server
11 4 (1.76%) QRadar
12 3 (1.32%) Argo
13 2 (0.88%) Kubeflow
13 2 (0.88%) Progress Chef
13 2 (0.88%) Rancher
Vendors
1 37 (16.30%) Microsoft
2 22 (9.69%) Splunk
3 17 (7.49%) Oracle
4 15 (6.61%) Palo Alto
5 13 (5.73%) Okta
5 13 (5.73%) Red Hat
5 13 (5.73%) VMware
6 12 (5.29%) F5
7 11 (4.85%) Cisco
8 10 (4.41%) Databricks
8 10 (4.41%) SAP
9 9 (3.96%) CheckPoint
9 9 (3.96%) Nokia
10 8 (3.52%) Ericsson
10 8 (3.52%) Solace
11 7 (3.08%) Actix
12 6 (2.64%) Google
13 5 (2.20%) CyberArk
13 5 (2.20%) HP
13 5 (2.20%) Meraki