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 3 months leading up to 28 March 2026, with comparisons to the same periods in the previous two years.

3 months to
28 Mar 2026
Same period 2025 Same period 2024
Rank 149 105 212
Rank change year-on-year -44 +107 -25
Contract jobs citing High Availability 163 141 70
As % of all contract jobs in London 1.77% 2.30% 0.73%
As % of the Processes & Methodologies category 1.99% 2.50% 0.82%
Number of daily rates quoted 111 95 49
10th Percentile £375 £407 £300
25th Percentile £450 £447 £400
Median daily rate (50th Percentile) £555 £550 £550
Median % change year-on-year +0.91% - -8.33%
75th Percentile £650 £673 £688
90th Percentile £750 £750 £700
England median daily rate £525 £525 £550
% change year-on-year -0.10% -4.55% -
Number of hourly rates quoted 2 2 0
10th Percentile £57.45 - -
25th Percentile £59.92 - -
Median hourly rate £66.13 £26.45 -
Median % change year-on-year +150.03% - -
75th Percentile £72.49 - -
90th Percentile £75.05 - -
England median hourly rate £53.75 £48.23 £28.00
% change year-on-year +11.46% +72.23% -62.67%

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 8,208 5,647 8,504
As % of all contract IT jobs advertised in London 89.27% 92.30% 88.40%
Number of daily rates quoted 5,566 3,810 6,118
10th Percentile £358 £350 £338
25th Percentile £430 £430 £438
Median daily rate (50th Percentile) £525 £550 £550
Median % change year-on-year -4.55% - -6.78%
75th Percentile £640 £688 £675
90th Percentile £750 £800 £788
England median daily rate £513 £525 £525
% change year-on-year -2.38% - -4.55%
Number of hourly rates quoted 118 92 208
10th Percentile £18.75 £16.07 £15.43
25th Percentile £25.77 £24.66 £18.25
Median hourly rate £35.50 £34.33 £26.28
Median % change year-on-year +3.42% +30.61% -27.00%
75th Percentile £58.98 £50.50 £41.84
90th Percentile £76.98 £62.58 £63.25
England median hourly rate £50.00 £31.64 £30.00
% change year-on-year +58.03% +5.47% -20.00%

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 3 months to 28 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 3 months to 28 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 3 months to 28 March 2026. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London -12 13 £581 +8.14% 26
South London -17 6 £600 +26.98% 1
East London - 1 £432 - 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 18 (6.77%) Microsoft Exchange
2 9 (3.38%) SharePoint
3 4 (1.50%) Confluence
4 3 (1.13%) Ethereum
4 3 (1.13%) Hyperledger
4 3 (1.13%) OpenStack
5 2 (0.75%) Apache Spark
5 2 (0.75%) Drupal
5 2 (0.75%) Oracle Workflow
5 2 (0.75%) WordPress
6 1 (0.38%) SharePoint Server
Applications
1 7 (2.63%) Microsoft Office
2 1 (0.38%) Microsoft Excel
2 1 (0.38%) Weka
Business Applications
1 8 (3.01%) Veritas eDiscovery
2 5 (1.88%) BASE24
2 5 (1.88%) Payment Gateway
3 3 (1.13%) Distributed Ledger
4 2 (0.75%) DELMIA
4 2 (0.75%) Remedy ITSM
4 2 (0.75%) SAP S/4HANA
Cloud Services
1 115 (43.23%) Azure
2 91 (34.21%) AWS
3 39 (14.66%) GCP
4 32 (12.03%) Entra ID
5 29 (10.90%) GitHub
6 28 (10.53%) AWS CloudFormation
7 27 (10.15%) Azure DevOps
8 24 (9.02%) Serverless
9 23 (8.65%) Amazon S3
10 19 (7.14%) AWS Lambda
10 19 (7.14%) Microsoft 365
11 17 (6.39%) Azure Monitor
12 15 (5.64%) Amazon CloudWatch
13 13 (4.89%) Amazon ECS
13 13 (4.89%) Azure Data Factory
13 13 (4.89%) Azure Synapse Analytics
13 13 (4.89%) GitHub Actions
14 12 (4.51%) Virtual Private Cloud
15 10 (3.76%) Amazon EKS
15 10 (3.76%) Azure AKS
Communications & Networking
1 32 (12.03%) DNS
2 29 (10.90%) Firewall
3 20 (7.52%) Network Security
4 18 (6.77%) DHCP
5 17 (6.39%) VPN
6 15 (5.64%) Kerberos
7 14 (5.26%) WAN
8 8 (3.01%) BGP
8 8 (3.01%) LAN
8 8 (3.01%) OSPF
8 8 (3.01%) TCP/IP
9 7 (2.63%) SD-WAN
9 7 (2.63%) SSL
9 7 (2.63%) VLAN
10 5 (1.88%) NAS
10 5 (1.88%) SAN
11 4 (1.50%) HTTP
11 4 (1.50%) VSAN
11 4 (1.50%) Wi-Fi
12 3 (1.13%) VXLAN
Database & Business Intelligence
1 24 (9.02%) SQL Server
2 20 (7.52%) Azure SQL Database
3 18 (6.77%) PostgreSQL
4 14 (5.26%) Oracle Database
5 13 (4.89%) Data Lake
6 12 (4.51%) Delta Lake
7 10 (3.76%) Amazon RDS
8 8 (3.01%) Relational Database
9 7 (2.63%) MongoDB
9 7 (2.63%) SQL Server Integration Services
10 6 (2.26%) MySQL
11 5 (1.88%) Metadata
11 5 (1.88%) NonStop SQL
11 5 (1.88%) NoSQL
11 5 (1.88%) SQL Server Analysis Services
11 5 (1.88%) SQL Server Reporting Services
12 4 (1.50%) Data Warehouse
12 4 (1.50%) OLTP
13 3 (1.13%) Big Data
13 3 (1.13%) Oracle Reports
Development Applications
1 28 (10.53%) Jenkins
2 24 (9.02%) Git
3 11 (4.14%) GitLab
4 10 (3.76%) JIRA
5 4 (1.50%) IBM UrbanCode
5 4 (1.50%) Team Foundation Server
6 3 (1.13%) MLflow
6 3 (1.13%) SQL Server Management Studio (SSMS)
7 2 (0.75%) Cucumber
7 2 (0.75%) JUnit
8 1 (0.38%) Artifactory
8 1 (0.38%) Bitbucket
8 1 (0.38%) GCC
8 1 (0.38%) GDB
8 1 (0.38%) Jaeger
8 1 (0.38%) Sonatype Nexus
General
1 92 (34.59%) Social Skills
2 68 (25.56%) Finance
3 34 (12.78%) Banking
4 24 (9.02%) Analytical Skills
5 20 (7.52%) Public Sector
6 15 (5.64%) Documentation Skills
7 8 (3.01%) Telecoms
8 7 (2.63%) Legal
9 6 (2.26%) Inclusion and Diversity
9 6 (2.26%) Influencing Skills
9 6 (2.26%) Manufacturing
9 6 (2.26%) Presentation Skills
9 6 (2.26%) Retail
10 4 (1.50%) Financial Institution
10 4 (1.50%) Games
10 4 (1.50%) Investment Banking
10 4 (1.50%) Organisational Skills
11 3 (1.13%) Publishing
12 2 (0.75%) Corporate Banking
12 2 (0.75%) Law
Job Titles
1 35 (13.16%) Architect
2 26 (9.77%) Developer
3 25 (9.40%) Senior
4 19 (7.14%) DBA
4 19 (7.14%) Lead
5 17 (6.39%) DevOps Engineer
6 14 (5.26%) Administrator
6 14 (5.26%) Data Engineer
7 13 (4.89%) SQL DBA
8 12 (4.51%) Microsoft 365 Engineer
9 10 (3.76%) Platform Engineer
10 9 (3.38%) Java Engineer
11 8 (3.01%) Consultant
12 7 (2.63%) Cloud Engineer
12 7 (2.63%) Oracle DBA
13 6 (2.26%) Azure Engineer
13 6 (2.26%) Java Developer
13 6 (2.26%) Linux Administrator
13 6 (2.26%) Site Reliability Engineer
13 6 (2.26%) Solutions Architect
Libraries, Frameworks & Software Standards
1 22 (8.27%) OAuth
1 22 (8.27%) Spring
2 19 (7.14%) LDAP
3 18 (6.77%) Spring Boot
4 17 (6.39%) REST
4 17 (6.39%) SAML
5 16 (6.02%) RESTful
6 14 (5.26%) Kafka
7 12 (4.51%) Node.js
8 10 (3.76%) PySpark
9 9 (3.38%) AngularJS
10 7 (2.63%) .NET
10 7 (2.63%) ARM Templates
11 6 (2.26%) Elastic Stack
11 6 (2.26%) React
12 5 (1.88%) OAuth2
12 5 (1.88%) OpenTelemetry
13 4 (1.50%) AWS CDK
13 4 (1.50%) Microsoft Graph
13 4 (1.50%) Vue
Miscellaneous
1 39 (14.66%) Cloud Native
2 27 (10.15%) Replication
3 19 (7.14%) Distributed Systems
4 17 (6.39%) Data Centre
5 15 (5.64%) Hybrid Cloud
6 13 (4.89%) Clustering
7 11 (4.14%) BYOD
8 7 (2.63%) Data Protection Act
8 7 (2.63%) EMV
9 6 (2.26%) Onboarding
10 5 (1.88%) Enterprise Software
10 5 (1.88%) Foreign Exchange (FX)
10 5 (1.88%) Legacy Systems
10 5 (1.88%) Mainframe
10 5 (1.88%) Tandem
11 4 (1.50%) Algorithms
11 4 (1.50%) Linux Command Line
11 4 (1.50%) Virtual Team
12 3 (1.13%) DataPower
12 3 (1.13%) Enterprise Storage
Operating Systems
1 42 (15.79%) Linux
2 31 (11.65%) Windows
3 22 (8.27%) Windows Server
4 13 (4.89%) VMS
5 9 (3.38%) Red Hat Enterprise Linux
6 7 (2.63%) Unix
7 4 (1.50%) SUSE
8 2 (0.75%) CentOS
8 2 (0.75%) Solaris
8 2 (0.75%) Ubuntu
9 1 (0.38%) Data ONTAP
9 1 (0.38%) Oracle Linux
9 1 (0.38%) Rocky
9 1 (0.38%) Windows Server 2016
Processes & Methodologies
1 105 (39.47%) DevOps
2 95 (35.71%) CI/CD
3 84 (31.58%) Disaster Recovery
4 80 (30.08%) Infrastructure as Code
5 63 (23.68%) Problem-Solving
6 47 (17.67%) Containerisation
6 47 (17.67%) Performance Tuning
7 46 (17.29%) Migration
8 42 (15.79%) Agile
9 40 (15.04%) Root Cause Analysis
10 37 (13.91%) Microservices
11 34 (12.78%) Observability
12 30 (11.28%) Analytics
12 30 (11.28%) Roadmaps
13 27 (10.15%) RBAC
14 26 (9.77%) Continuous Improvement
14 26 (9.77%) Incident Response
15 25 (9.40%) Data Protection
15 25 (9.40%) Identity Access Management
15 25 (9.40%) ITIL
Programming Languages
1 70 (26.32%) Python
2 61 (22.93%) SQL
3 54 (20.30%) PowerShell
4 34 (12.78%) Java
5 25 (9.40%) Bash
6 12 (4.51%) Scala
7 8 (3.01%) C#
8 7 (2.63%) JavaScript
8 7 (2.63%) Shell Script
9 6 (2.26%) C
10 5 (1.88%) Bicep
10 5 (1.88%) COBOL
11 4 (1.50%) Perl
11 4 (1.50%) PHP
11 4 (1.50%) PL/SQL
12 3 (1.13%) C++
12 3 (1.13%) Go
12 3 (1.13%) TypeScript
13 1 (0.38%) Cypher
13 1 (0.38%) Kotlin
Qualifications
1 69 (25.94%) Security Cleared
2 55 (20.68%) SC Cleared
3 20 (7.52%) Azure Certification
4 18 (6.77%) Degree
5 16 (6.02%) Microsoft Certification
6 15 (5.64%) AWS Certification
7 8 (3.01%) DV Cleared
7 8 (3.01%) MCSA
7 8 (3.01%) MCSE
8 7 (2.63%) AWS Certified Solutions Architect
8 7 (2.63%) Cisco Certification
9 5 (1.88%) BPSS Clearance
9 5 (1.88%) CCNA
9 5 (1.88%) Computer Science Degree
10 4 (1.50%) CCNP
10 4 (1.50%) CISSP
10 4 (1.50%) MCITP
10 4 (1.50%) MCTS
10 4 (1.50%) PMP
10 4 (1.50%) TOGAF Certification
Quality Assurance & Compliance
1 24 (9.02%) GDPR
2 14 (5.26%) Sarbanes-Oxley
3 13 (4.89%) Data Quality
4 12 (4.51%) QA
5 9 (3.38%) SLA
6 7 (2.63%) PCI DSS
7 5 (1.88%) ISO 8583
8 3 (1.13%) NCSC
9 2 (0.75%) Accessibility
9 2 (0.75%) DICOM
9 2 (0.75%) HL7
9 2 (0.75%) NIST
10 1 (0.38%) California Consumer Privacy Act
10 1 (0.38%) GRC
10 1 (0.38%) HIPAA
10 1 (0.38%) ISO 22301
10 1 (0.38%) ISO/IEC 27001
10 1 (0.38%) NIST 800
System Software
1 47 (17.67%) Active Directory
2 45 (16.92%) Docker
3 12 (4.51%) Virtual Machines
4 11 (4.14%) VMware Infrastructure
5 10 (3.76%) vSphere
6 7 (2.63%) VMware ESXi
7 4 (1.50%) Firmware
7 4 (1.50%) Hyper-V
7 4 (1.50%) VMware NSX
8 3 (1.13%) Oracle RAC
8 3 (1.13%) Virtual Desktop
9 1 (0.38%) Apache ZooKeeper
9 1 (0.38%) GPFS
9 1 (0.38%) HDFS
9 1 (0.38%) Lustre
9 1 (0.38%) NFS
9 1 (0.38%) Slurm Workload Manager
Systems Management
1 77 (28.95%) Terraform
2 67 (25.19%) Kubernetes
3 33 (12.41%) Ansible
4 26 (9.77%) Active Directory Federation Services
5 19 (7.14%) Grafana
6 17 (6.39%) Single Sign-On
7 14 (5.26%) Prometheus
8 12 (4.51%) vCenter Server
9 10 (3.76%) Microsoft Intune
10 7 (2.63%) ITRS Geneos
11 6 (2.26%) Microsoft Clustering
12 5 (1.88%) Kibana
13 4 (1.50%) Argo
13 4 (1.50%) Failover Clustering
13 4 (1.50%) Rancher
13 4 (1.50%) VxRail
14 3 (1.13%) CA Single Sign-On
14 3 (1.13%) PingFederate
14 3 (1.13%) PowerCLI
15 2 (0.75%) logstash
Vendors
1 60 (22.56%) Microsoft
2 27 (10.15%) Oracle
3 22 (8.27%) Databricks
4 17 (6.39%) Splunk
5 16 (6.02%) VMware
6 14 (5.26%) Okta
7 10 (3.76%) Red Hat
8 6 (2.26%) Cisco
8 6 (2.26%) Palo Alto
8 6 (2.26%) SAP
9 5 (1.88%) HP
10 4 (1.50%) AppDynamics
10 4 (1.50%) Dell
10 4 (1.50%) F5
10 4 (1.50%) Google
10 4 (1.50%) Nokia
10 4 (1.50%) Pure Storage
10 4 (1.50%) ServiceNow
10 4 (1.50%) Solace
11 3 (1.13%) Ping Identity