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

6 months to
26 Jun 2026
Same period 2025 Same period 2024
Rank 151 133 265
Rank change year-on-year -18 +132 -39
Contract jobs citing High Availability 329 273 139
As % of all contract jobs in London 1.72% 2.15% 0.79%
As % of the Processes & Methodologies category 1.93% 2.33% 0.89%
Number of daily rates quoted 234 192 100
10th Percentile £350 £406 £300
25th Percentile £425 £463 £421
Median daily rate (50th Percentile) £525 £575 £550
Median % change year-on-year -8.74% +4.55% -8.33%
75th Percentile £630 £700 £661
90th Percentile £728 £765 £750
England median daily rate £500 £550 £525
% change year-on-year -9.05% +4.76% -4.55%
Number of hourly rates quoted 5 3 3
10th Percentile £56.18 £26.09 -
25th Percentile £56.75 £26.23 -
Median hourly rate £74.50 £26.45 £23.80
Median % change year-on-year +181.66% +11.13% -68.27%
75th Percentile £97.50 £27.23 -
90th Percentile - £27.69 -
England median hourly rate £55.50 £70.00 £58.30
% change year-on-year -20.71% +20.07% -12.99%

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 17,012 11,732 15,563
As % of all contract IT jobs advertised in London 88.97% 92.40% 88.44%
Number of daily rates quoted 11,345 7,858 11,109
10th Percentile £360 £336 £340
25th Percentile £438 £425 £448
Median daily rate (50th Percentile) £535 £550 £550
Median % change year-on-year -2.73% - -6.38%
75th Percentile £650 £675 £675
90th Percentile £763 £800 £800
England median daily rate £520 £515 £525
% change year-on-year +0.97% -1.90% -4.55%
Number of hourly rates quoted 260 220 302
10th Percentile £17.96 £16.50 £15.54
25th Percentile £25.24 £24.66 £20.02
Median hourly rate £37.50 £32.25 £30.00
Median % change year-on-year +16.28% +7.50% -25.00%
75th Percentile £59.72 £49.75 £48.75
90th Percentile £81.25 £63.30 £67.90
England median hourly rate £47.50 £25.15 £38.12
% change year-on-year +88.87% -34.02% +8.48%

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 26 June 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 26 June 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 26 June 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 -21 37 £563 -13.46% 13
South London -12 7 £600 -4.00%
East London -2 2 £511 +73.96% 2
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 21 (6.38%) Microsoft Exchange
2 13 (3.95%) SharePoint
3 8 (2.43%) Confluence
4 4 (1.22%) OpenStack
5 3 (0.91%) Oracle Workflow
6 2 (0.61%) Apache Spark
6 2 (0.61%) Drupal
6 2 (0.61%) SharePoint Server
6 2 (0.61%) WordPress
7 1 (0.30%) Apache
7 1 (0.30%) Apache Airflow
7 1 (0.30%) Camunda
7 1 (0.30%) CICS
7 1 (0.30%) CloudStack
7 1 (0.30%) HCL Domino
7 1 (0.30%) HCL Notes
7 1 (0.30%) MTS
7 1 (0.30%) WebSphere
Applications
1 9 (2.74%) Microsoft Office
2 2 (0.61%) Microsoft Excel
Business Applications
1 6 (1.82%) Veritas eDiscovery
2 4 (1.22%) Oracle Applications
2 4 (1.22%) Oracle EBS
3 3 (0.91%) Distributed Ledger
3 3 (0.91%) Payment Gateway
4 2 (0.61%) BASE24
4 2 (0.61%) Remedy ITSM
5 1 (0.30%) Bloomberg TOMS
5 1 (0.30%) DELMIA
5 1 (0.30%) Eikon
5 1 (0.30%) ION MarketView
5 1 (0.30%) Oracle EBS R12
5 1 (0.30%) SAP S/4HANA
Cloud Services
1 124 (37.69%) Azure
2 110 (33.43%) AWS
3 41 (12.46%) Entra ID
4 39 (11.85%) GCP
5 32 (9.73%) Azure DevOps
6 29 (8.81%) GitHub
7 26 (7.90%) AWS CloudFormation
7 26 (7.90%) Microsoft 365
8 19 (5.78%) Serverless
9 17 (5.17%) Azure Data Factory
10 16 (4.86%) Azure Monitor
11 14 (4.26%) Amazon EKS
11 14 (4.26%) Amazon S3
11 14 (4.26%) GitHub Actions
12 12 (3.65%) Amazon CloudWatch
13 11 (3.34%) AWS Lambda
13 11 (3.34%) Azure Synapse Analytics
14 10 (3.04%) Azure AKS
14 10 (3.04%) Virtual Private Cloud
15 7 (2.13%) IaaS
Communications & Networking
1 44 (13.37%) DNS
2 34 (10.33%) Firewall
3 28 (8.51%) DHCP
4 27 (8.21%) Network Security
5 19 (5.78%) VPN
6 15 (4.56%) TCP/IP
6 15 (4.56%) WAN
7 13 (3.95%) Kerberos
8 9 (2.74%) HTTP
8 9 (2.74%) SSL
9 8 (2.43%) BGP
9 8 (2.43%) LAN
9 8 (2.43%) NAS
9 8 (2.43%) SAN
10 7 (2.13%) Internet
10 7 (2.13%) OSPF
11 6 (1.82%) 5G
11 6 (1.82%) Unified Communications
11 6 (1.82%) VLAN
12 5 (1.52%) BIG-IP
Database & Business Intelligence
1 30 (9.12%) SQL Server
2 25 (7.60%) PostgreSQL
3 18 (5.47%) Data Lake
4 17 (5.17%) Delta Lake
5 16 (4.86%) Azure SQL Database
6 12 (3.65%) Oracle Database
7 8 (2.43%) MongoDB
8 7 (2.13%) Amazon RDS
8 7 (2.13%) NoSQL
9 6 (1.82%) Metadata
9 6 (1.82%) Relational Database
10 5 (1.52%) MySQL
10 5 (1.52%) SQL Server Integration Services
11 4 (1.22%) Power BI
12 3 (0.91%) Big Data
12 3 (0.91%) KDB
12 3 (0.91%) SQL Server Analysis Services
13 2 (0.61%) Data Warehouse
13 2 (0.61%) OLTP
13 2 (0.61%) Oracle Exadata
Development Applications
1 33 (10.03%) Git
2 19 (5.78%) Jenkins
3 13 (3.95%) JIRA
4 12 (3.65%) GitLab
5 6 (1.82%) JUnit
6 2 (0.61%) Artifactory
6 2 (0.61%) Cucumber
6 2 (0.61%) Gradle
6 2 (0.61%) IBM UrbanCode
6 2 (0.61%) Maven
6 2 (0.61%) SQL Server Management Studio (SSMS)
6 2 (0.61%) Team Foundation Server
7 1 (0.30%) ER Studio
7 1 (0.30%) IntelliJ
7 1 (0.30%) MLflow
7 1 (0.30%) Mockito
7 1 (0.30%) Sonatype Nexus
General
1 84 (25.53%) Finance
2 80 (24.32%) Social Skills
3 41 (12.46%) Banking
4 26 (7.90%) Public Sector
5 24 (7.29%) Analytical Skills
6 15 (4.56%) Telecoms
7 13 (3.95%) Documentation Skills
8 9 (2.74%) Front Office
9 7 (2.13%) Financial Institution
9 7 (2.13%) Investment Banking
10 6 (1.82%) Inclusion and Diversity
10 6 (1.82%) Retail
11 5 (1.52%) Presentation Skills
12 4 (1.22%) Manufacturing
13 3 (0.91%) Corporate Banking
13 3 (0.91%) Games
13 3 (0.91%) Influencing Skills
13 3 (0.91%) Law
13 3 (0.91%) Legal
13 3 (0.91%) Publishing
Job Titles
1 46 (13.98%) Architect
2 39 (11.85%) Senior
3 37 (11.25%) Developer
4 31 (9.42%) DevOps Engineer
5 22 (6.69%) DBA
6 20 (6.08%) Lead
7 18 (5.47%) AWS Engineer
8 16 (4.86%) Data Engineer
9 14 (4.26%) Platform Engineer
10 12 (3.65%) AWS DevOps
10 12 (3.65%) AWS DevOps Engineer
10 12 (3.65%) Azure Engineer
11 10 (3.04%) Administrator
11 10 (3.04%) Infrastructure Engineer
11 10 (3.04%) Java Engineer
11 10 (3.04%) SQL DBA
12 9 (2.74%) Java Developer
12 9 (2.74%) Microsoft 365 Engineer
12 9 (2.74%) Solutions Architect
12 9 (2.74%) Technical Architect
Libraries, Frameworks & Software Standards
1 25 (7.60%) Kafka
2 23 (6.99%) OAuth
2 23 (6.99%) Spring
3 22 (6.69%) LDAP
3 22 (6.69%) REST
4 19 (5.78%) SAML
4 19 (5.78%) Spring Boot
5 14 (4.26%) .NET
6 10 (3.04%) PySpark
6 10 (3.04%) RESTful
7 8 (2.43%) AngularJS
7 8 (2.43%) Node.js
7 8 (2.43%) OAuth2
8 7 (2.13%) OpenID
9 6 (1.82%) RabbitMQ
10 5 (1.52%) ARM Templates
10 5 (1.52%) AWS CDK
10 5 (1.52%) Elastic Stack
10 5 (1.52%) Middleware
10 5 (1.52%) XML
Miscellaneous
1 65 (19.76%) Cloud Native
2 28 (8.51%) Replication
3 23 (6.99%) Distributed Systems
4 17 (5.17%) Data Centre
4 17 (5.17%) Onboarding
5 13 (3.95%) Clustering
6 11 (3.34%) Hybrid Cloud
7 10 (3.04%) Data Protection Act
7 10 (3.04%) Video Conferencing
8 9 (2.74%) BYOD
8 9 (2.74%) Virtual Team
9 8 (2.43%) Enterprise Software
9 8 (2.43%) Legacy Systems
9 8 (2.43%) PKI
10 5 (1.52%) SCADA
11 4 (1.22%) Algorithms
11 4 (1.22%) EMV
11 4 (1.22%) Management Information System
11 4 (1.22%) Public Cloud
11 4 (1.22%) SWIFT Messaging Network
Operating Systems
1 51 (15.50%) Windows
2 45 (13.68%) Linux
3 28 (8.51%) Windows Server
4 10 (3.04%) Unix
5 9 (2.74%) Red Hat Enterprise Linux
6 7 (2.13%) VMS
7 5 (1.52%) Mac OS
7 5 (1.52%) Ubuntu
8 4 (1.22%) SUSE
9 2 (0.61%) Solaris
10 1 (0.30%) Amazon Linux
10 1 (0.30%) Data ONTAP
10 1 (0.30%) Debian
10 1 (0.30%) Oracle Linux
10 1 (0.30%) Rocky
10 1 (0.30%) zOS
Processes & Methodologies
1 124 (37.69%) CI/CD
2 116 (35.26%) DevOps
3 97 (29.48%) Infrastructure as Code
4 90 (27.36%) Disaster Recovery
5 53 (16.11%) Problem-Solving
6 49 (14.89%) Migration
7 46 (13.98%) Containerisation
8 44 (13.37%) Agile
9 41 (12.46%) Continuous Improvement
9 41 (12.46%) Performance Tuning
10 40 (12.16%) Microservices
11 39 (11.85%) Observability
11 39 (11.85%) Root Cause Analysis
12 32 (9.73%) Analytics
12 32 (9.73%) Platform Engineering
13 30 (9.12%) Technical Leadership
14 29 (8.81%) Roadmaps
14 29 (8.81%) Stakeholder Management
15 28 (8.51%) Test Automation
16 27 (8.21%) Data Pipeline
Programming Languages
1 76 (23.10%) Python
2 62 (18.84%) SQL
3 60 (18.24%) PowerShell
4 46 (13.98%) Java
5 24 (7.29%) Bash
6 13 (3.95%) Scala
7 12 (3.65%) C#
8 11 (3.34%) Bicep
9 10 (3.04%) TypeScript
10 6 (1.82%) C
10 6 (1.82%) C++
10 6 (1.82%) Go
10 6 (1.82%) JavaScript
11 5 (1.52%) Kotlin
12 4 (1.22%) Groovy
12 4 (1.22%) PL/SQL
12 4 (1.22%) Shell Script
13 3 (0.91%) Perl
13 3 (0.91%) Ruby
13 3 (0.91%) T-SQL
Qualifications
1 86 (26.14%) Security Cleared
2 74 (22.49%) SC Cleared
3 28 (8.51%) Azure Certification
4 25 (7.60%) Degree
5 16 (4.86%) Cisco Certification
6 15 (4.56%) AWS Certification
6 15 (4.56%) Microsoft Certification
7 14 (4.26%) CCNP
8 9 (2.74%) Computer Science Degree
9 7 (2.13%) DV Cleared
9 7 (2.13%) MCSE
10 6 (1.82%) AWS Certified Solutions Architect
10 6 (1.82%) BPSS Clearance
10 6 (1.82%) CCNA
10 6 (1.82%) MCSA
11 5 (1.52%) TOGAF Certification
12 4 (1.22%) CompTIA Security+
12 4 (1.22%) MCITP
12 4 (1.22%) MCTS
13 3 (0.91%) CISSP
Quality Assurance & Compliance
1 24 (7.29%) GDPR
2 19 (5.78%) Data Quality
3 14 (4.26%) QA
4 13 (3.95%) Sarbanes-Oxley
5 10 (3.04%) SLA
6 6 (1.82%) GRC
7 5 (1.52%) PCI DSS
8 4 (1.22%) ISO 20022
8 4 (1.22%) NIST
8 4 (1.22%) SEPA
9 3 (0.91%) DICOM
9 3 (0.91%) HL7
9 3 (0.91%) ISO/IEC 27001
9 3 (0.91%) NCSC
10 2 (0.61%) Accessibility
10 2 (0.61%) Government Security Classifications
10 2 (0.61%) ISO 8583
11 1 (0.30%) HIPAA
11 1 (0.30%) ISO 22301
11 1 (0.30%) NIST 800
System Software
1 59 (17.93%) Active Directory
2 38 (11.55%) Docker
3 16 (4.86%) VMware Infrastructure
4 8 (2.43%) Virtual Machines
5 7 (2.13%) Hyper-V
5 7 (2.13%) vSphere
6 5 (1.52%) Firmware
6 5 (1.52%) VMware ESXi
7 2 (0.61%) Oracle RAC
7 2 (0.61%) Virtual Desktop
8 1 (0.30%) HDFS
8 1 (0.30%) NFS
8 1 (0.30%) RACF
8 1 (0.30%) VMware NSX
Systems Management
1 91 (27.66%) Terraform
2 66 (20.06%) Kubernetes
3 28 (8.51%) Ansible
4 24 (7.29%) Active Directory Federation Services
5 18 (5.47%) Grafana
5 18 (5.47%) Prometheus
6 17 (5.17%) Single Sign-On
7 13 (3.95%) Microsoft Intune
8 7 (2.13%) vCenter Server
9 5 (1.52%) Argo
9 5 (1.52%) Cisco CUCM
9 5 (1.52%) Microsoft Clustering
10 4 (1.22%) CA Single Sign-On
10 4 (1.22%) Failover Clustering
10 4 (1.22%) PingFederate
10 4 (1.22%) Puppet
10 4 (1.22%) VxRail
11 3 (0.91%) FortiGate
11 3 (0.91%) ITRS Geneos
11 3 (0.91%) Kustomize
Vendors
1 76 (23.10%) Microsoft
2 32 (9.73%) Oracle
3 23 (6.99%) Databricks
4 20 (6.08%) VMware
5 15 (4.56%) Cisco
5 15 (4.56%) Splunk
6 13 (3.95%) Okta
6 13 (3.95%) ServiceNow
7 9 (2.74%) Ericsson
7 9 (2.74%) Nokia
8 6 (1.82%) F5
9 5 (1.52%) Apple
9 5 (1.52%) Infoblox
9 5 (1.52%) Palo Alto
9 5 (1.52%) Red Box
9 5 (1.52%) Red Hat
9 5 (1.52%) SAP
10 4 (1.22%) Dell
10 4 (1.22%) Huawei
10 4 (1.22%) IBM