High Availability Contracts in London

High Availability
England > London

The table below provides summary statistics for contract job vacancies advertised in London requiring High Availability skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited High Availability over the 6 months leading up to 15 May 2025, comparing them to the same period in the previous two years.

6 months to
15 May 2025
Same period 2024 Same period 2023
Rank 129 237 219
Rank change year-on-year +108 -18 +56
Contract jobs citing High Availability 275 162 310
As % of all contract jobs advertised in London 2.22% 0.93% 1.19%
As % of the Processes & Methodologies category 2.41% 1.04% 1.30%
Number of daily rates quoted 190 121 204
10th Percentile £402 £300 £413
25th Percentile £463 £460 £475
Median daily rate (50th Percentile) £580 £550 £600
Median % change year-on-year +5.45% -8.33% -
75th Percentile £700 £675 £675
90th Percentile £752 £715 £700
England median daily rate £550 £550 £550
% change year-on-year - - -4.35%
Number of hourly rates quoted 4 2 7
10th Percentile £24.46 - £70.80
25th Percentile £25.45 - -
Median hourly rate £26.45 £23.80 £75.00
Median % change year-on-year +11.13% -68.27% +213.68%
75th Percentile £26.84 - -
90th Percentile £27.54 - -
England median hourly rate £26.73 £61.60 £70.00
% change year-on-year -56.62% -12.00% +192.76%

All Process and 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 11,434 15,528 23,779
As % of all contract IT jobs advertised in London 92.23% 88.71% 90.94%
Number of daily rates quoted 7,744 11,124 17,152
10th Percentile £350 £345 £375
25th Percentile £435 £450 £475
Median daily rate (50th Percentile) £550 £550 £590
Median % change year-on-year - -6.78% +2.61%
75th Percentile £688 £688 £700
90th Percentile £813 £800 £800
England median daily rate £525 £525 £550
% change year-on-year - -4.55% +2.33%
Number of hourly rates quoted 173 311 269
10th Percentile £15.97 £15.95 £18.50
25th Percentile £22.75 £20.00 £22.50
Median hourly rate £34.00 £27.84 £39.00
Median % change year-on-year +22.13% -28.62% +5.41%
75th Percentile £50.75 £48.66 £64.25
90th Percentile £63.75 £66.50 £82.30
England median hourly rate £29.00 £36.50 £37.50
% change year-on-year -20.55% -2.67% +50.00%

High Availability
Job Vacancy Trend in London

Job postings citing High Availability as a proportion of all IT jobs advertised in London.

Job vacancy trend for High Availability in London

High Availability
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing High Availability in London.

Daily rate trend for High Availability in London

High Availability
Daily Rate Histogram in London

Daily rate distribution for jobs citing High Availability in London over the 6 months to 15 May 2025.

Daily rate histogram for High Availability in London

High Availability
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing High Availability in London.

Hourly rate trend 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 15 May 2025. 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 +33 42 £563 -13.46% 13
South London +6 7 £473 -7.80% 3
West London +9 5 £613 +46.18% 7
East London - 1 £550 - 2
High Availability
England

High Availability
Co-occurring Skills and Capabilities in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 16 (5.82%) Microsoft Exchange
2 14 (5.09%) SharePoint
3 13 (4.73%) Apache
4 9 (3.27%) Confluence
5 8 (2.91%) nginx
6 7 (2.55%) Apache Spark
6 7 (2.55%) OpenStack
7 3 (1.09%) Camunda
8 2 (0.73%) MQSeries
9 1 (0.36%) Alfresco
9 1 (0.36%) IIS
9 1 (0.36%) JBoss
9 1 (0.36%) Skype for Business
9 1 (0.36%) Tomcat
Applications
1 4 (1.45%) Microsoft Office
2 1 (0.36%) Microsoft Excel
2 1 (0.36%) Microsoft PowerPoint
2 1 (0.36%) Spreadsheet
Business Applications
1 1 (0.36%) BASE24
1 1 (0.36%) SAP MDG
1 1 (0.36%) SAP S/4HANA
Cloud Services
1 97 (35.27%) AWS
2 72 (26.18%) Azure
3 40 (14.55%) Serverless
4 34 (12.36%) GCP
5 32 (11.64%) AWS CloudFormation
5 32 (11.64%) AWS Lambda
6 31 (11.27%) Amazon S3
7 24 (8.73%) Entra ID
8 21 (7.64%) Amazon EKS
8 21 (7.64%) Microsoft 365
9 20 (7.27%) GitHub
10 16 (5.82%) Cloud Computing
11 10 (3.64%) Amazon EC2
11 10 (3.64%) Azure DevOps
11 10 (3.64%) Power Platform
12 9 (3.27%) OneDrive
13 8 (2.91%) Amazon CloudWatch
13 8 (2.91%) OpenShift
13 8 (2.91%) Power Automate
13 8 (2.91%) Virtual Private Cloud
Communications & Networking
1 32 (11.64%) DNS
2 29 (10.55%) Firewall
3 22 (8.00%) VPN
4 19 (6.91%) WAN
5 18 (6.55%) Network Security
5 18 (6.55%) TCP/IP
6 15 (5.45%) LAN
7 13 (4.73%) DHCP
8 12 (4.36%) HTTP
9 10 (3.64%) 4G
9 10 (3.64%) 5G
9 10 (3.64%) BGP
10 9 (3.27%) Wireless
11 8 (2.91%) OSPF
12 7 (2.55%) VLAN
13 6 (2.18%) 5G NR
13 6 (2.18%) LTE
13 6 (2.18%) Multicast
13 6 (2.18%) Radio Access Network
14 4 (1.45%) SD-WAN
Database & Business Intelligence
1 31 (11.27%) Amazon RDS
2 24 (8.73%) SQL Server
3 23 (8.36%) PostgreSQL
4 22 (8.00%) MySQL
5 20 (7.27%) Relational Database
6 19 (6.91%) MongoDB
7 16 (5.82%) Oracle Database
8 12 (4.36%) NoSQL
9 8 (2.91%) Azure SQL Database
10 6 (2.18%) Data Warehouse
11 5 (1.82%) Apache Cassandra
11 5 (1.82%) Oracle Database 11g
12 4 (1.45%) Big Data
12 4 (1.45%) Elasticsearch
12 4 (1.45%) Oracle Database 12c
12 4 (1.45%) RDBMS
13 3 (1.09%) Amazon Athena
13 3 (1.09%) Oracle Reports
13 3 (1.09%) Redis
13 3 (1.09%) Tableau
Development Applications
1 43 (15.64%) Jenkins
2 22 (8.00%) Git
3 19 (6.91%) GitLab
4 16 (5.82%) TeamCity
5 12 (4.36%) JIRA
6 10 (3.64%) JUnit
7 9 (3.27%) Cucumber
7 9 (3.27%) Subversion
8 7 (2.55%) Gradle
8 7 (2.55%) Sonatype Nexus
9 5 (1.82%) Artifactory
9 5 (1.82%) Bitbucket
9 5 (1.82%) Jasmine
9 5 (1.82%) Maven
10 4 (1.45%) GCC
10 4 (1.45%) GDB
10 4 (1.45%) git-flow
11 3 (1.09%) Atlassian Bamboo
11 3 (1.09%) SonarQube
12 1 (0.36%) Mocha
General
1 82 (29.82%) Social Skills
2 55 (20.00%) Finance
3 40 (14.55%) Public Sector
4 34 (12.36%) Analytical Skills
5 24 (8.73%) Banking
6 15 (5.45%) Investment Banking
6 15 (5.45%) Telecoms
7 10 (3.64%) Front Office
8 7 (2.55%) Financial Institution
9 5 (1.82%) Documentation Skills
10 4 (1.45%) Local Government
11 3 (1.09%) Law
11 3 (1.09%) Legal
11 3 (1.09%) Military
11 3 (1.09%) Organisational Skills
12 2 (0.73%) Inclusion and Diversity
12 2 (0.73%) Retail Banking
13 1 (0.36%) French Language
13 1 (0.36%) Multimedia
13 1 (0.36%) Wholesale Banking
Job Titles
1 49 (17.82%) Developer
2 48 (17.45%) Senior
3 46 (16.73%) Architect
4 22 (8.00%) AWS Architect
4 22 (8.00%) DevOps Engineer
5 20 (7.27%) DBA
6 17 (6.18%) Java Developer
7 15 (5.45%) Administrator
8 14 (5.09%) Lead
8 14 (5.09%) Platform Engineer
8 14 (5.09%) Support Engineer
9 12 (4.36%) Senior Developer
10 10 (3.64%) Cloud Architect
10 10 (3.64%) Microsoft 365 Engineer
10 10 (3.64%) Microsoft Engineer
11 9 (3.27%) Infrastructure Engineer
11 9 (3.27%) Kubernetes Engineer
11 9 (3.27%) Network Engineer
11 9 (3.27%) Oracle DBA
11 9 (3.27%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 20 (7.27%) Spring
2 18 (6.55%) REST
2 18 (6.55%) Spring Boot
3 15 (5.45%) Kafka
4 13 (4.73%) Elastic Stack
4 13 (4.73%) RESTful
5 12 (4.36%) HTML
6 11 (4.00%) .NET
6 11 (4.00%) AngularJS
7 8 (2.91%) Middleware
8 7 (2.55%) OpenAPI
8 7 (2.55%) RabbitMQ
8 7 (2.55%) Swagger
9 6 (2.18%) Apache NiFi
9 6 (2.18%) ARM Templates
9 6 (2.18%) Hibernate
9 6 (2.18%) XML
10 5 (1.82%) ASP.NET
10 5 (1.82%) Spring Batch
10 5 (1.82%) Spring Security
Miscellaneous
1 34 (12.36%) Cloud Native
2 21 (7.64%) Clustering
3 18 (6.55%) Replication
4 13 (4.73%) Distributed Systems
4 13 (4.73%) PKI
5 12 (4.36%) Foreign Exchange (FX)
5 12 (4.36%) Hybrid Cloud
6 10 (3.64%) Data Centre
6 10 (3.64%) Distributed Architecture
7 9 (3.27%) Public Cloud
7 9 (3.27%) Self-Motivation
8 7 (2.55%) Private Cloud
9 6 (2.18%) Team-Oriented Environment
10 5 (1.82%) Data Structures
10 5 (1.82%) Distributed Applications
10 5 (1.82%) Distributed Denial-of-Service
10 5 (1.82%) Linux Command Line
10 5 (1.82%) Market Risk
10 5 (1.82%) Onboarding
10 5 (1.82%) Virtual Team
Operating Systems
1 79 (28.73%) Linux
2 32 (11.64%) Windows
3 23 (8.36%) Unix
4 18 (6.55%) Red Hat Enterprise Linux
5 14 (5.09%) Windows Server
6 11 (4.00%) Solaris
7 7 (2.55%) CentOS
8 3 (1.09%) VMS
8 3 (1.09%) Windows 10
9 2 (0.73%) Windows Server 2016
9 2 (0.73%) Windows Server 2019
10 1 (0.36%) Oracle Linux
10 1 (0.36%) Ubuntu
Processes & Methodologies
1 90 (32.73%) CI/CD
2 89 (32.36%) DevOps
3 75 (27.27%) Problem-Solving
4 57 (20.73%) Containerisation
5 50 (18.18%) Disaster Recovery
5 50 (18.18%) Infrastructure as Code
6 38 (13.82%) Agile
7 35 (12.73%) Performance Tuning
8 33 (12.00%) Mentoring
9 28 (10.18%) Migration
10 26 (9.45%) Cloud Security
10 26 (9.45%) Task Automation
11 24 (8.73%) Microservices
12 22 (8.00%) Infrastructure Automation
13 21 (7.64%) Continuous Integration
13 21 (7.64%) Test Automation
14 20 (7.27%) Configuration Management
14 20 (7.27%) Open Source
14 20 (7.27%) Stakeholder Management
15 19 (6.91%) Low Latency
Programming Languages
1 105 (38.18%) Python
2 61 (22.18%) SQL
3 37 (13.45%) Java
3 37 (13.45%) PowerShell
4 36 (13.09%) Bash
5 17 (6.18%) Shell Script
6 12 (4.36%) JavaScript
6 12 (4.36%) Perl
7 10 (3.64%) C#
7 10 (3.64%) Groovy
8 7 (2.55%) Bicep
8 7 (2.55%) PL/SQL
9 6 (2.18%) C++
9 6 (2.18%) Go
9 6 (2.18%) Ruby
10 3 (1.09%) Jython
10 3 (1.09%) T-SQL
10 3 (1.09%) TypeScript
11 2 (0.73%) ActionScript
11 2 (0.73%) VB
Qualifications
1 68 (24.73%) Security Cleared
2 51 (18.55%) SC Cleared
3 31 (11.27%) AWS Certification
4 27 (9.82%) AWS Certified Solutions Architect
5 21 (7.64%) Degree
6 13 (4.73%) DV Cleared
7 10 (3.64%) Cisco Certification
8 9 (3.27%) CCNP
9 8 (2.91%) CCNA
10 7 (2.55%) AWS Certified DevOps Engineer
11 5 (1.82%) Computer Science Degree
12 4 (1.45%) Azure Certification
12 4 (1.45%) VCAP
13 3 (1.09%) AWS Certified Developer
13 3 (1.09%) AWS Certified SysOps Administrator
13 3 (1.09%) BPSS Clearance
13 3 (1.09%) CCSA
14 2 (0.73%) CCSE
14 2 (0.73%) Microsoft Certification
14 2 (0.73%) RHCSA
Quality Assurance & Compliance
1 21 (7.64%) GDPR
2 9 (3.27%) Sarbanes-Oxley
3 8 (2.91%) QA
4 7 (2.55%) PCI DSS
5 6 (2.18%) ISO/IEC 27001
6 4 (1.45%) SLA
7 3 (1.09%) Accessibility
7 3 (1.09%) HIPAA
7 3 (1.09%) SOC 2
8 2 (0.73%) Actionable Recommendations
8 2 (0.73%) Data Quality
8 2 (0.73%) Government Security Classifications
8 2 (0.73%) HMG Security Policy Framework
8 2 (0.73%) NCSC
8 2 (0.73%) NIST
9 1 (0.36%) 21 CFR Part 11
9 1 (0.36%) California Consumer Privacy Act
9 1 (0.36%) GxP
9 1 (0.36%) HL7
9 1 (0.36%) ISO 8583
System Software
1 58 (21.09%) Docker
2 34 (12.36%) Active Directory
3 19 (6.91%) VMware Infrastructure
4 13 (4.73%) Virtual Machines
4 13 (4.73%) VMware ESXi
5 9 (3.27%) vSphere
6 7 (2.55%) Oracle RAC
7 4 (1.45%) NFS
8 3 (1.09%) vCloud
8 3 (1.09%) Veritas File System
8 3 (1.09%) Veritas Volume Manager
8 3 (1.09%) Virtual Desktop
8 3 (1.09%) VMware NSX
8 3 (1.09%) VMware Workstation
9 2 (0.73%) Apache ZooKeeper
10 1 (0.36%) Ceph
10 1 (0.36%) Firmware
10 1 (0.36%) KVM
10 1 (0.36%) Veritas Cluster Server
10 1 (0.36%) XenApp
Systems Management
1 74 (26.91%) Terraform
2 73 (26.55%) Kubernetes
3 72 (26.18%) Ansible
4 15 (5.45%) Microsoft Intune
5 12 (4.36%) Puppet
6 10 (3.64%) Progress Chef
6 10 (3.64%) Prometheus
6 10 (3.64%) Rancher
7 8 (2.91%) QRadar
7 8 (2.91%) Tivoli
8 7 (2.55%) Nagios
8 7 (2.55%) Red Hat Satellite
9 6 (2.18%) EMC NetWorker
9 6 (2.18%) Grafana
9 6 (2.18%) Tivoli Storage Manager
10 5 (1.82%) FortiGate
10 5 (1.82%) Kibana
10 5 (1.82%) SCCM
11 4 (1.45%) Data Guard
11 4 (1.45%) Oracle Enterprise Manager
Vendors
1 48 (17.45%) Microsoft
2 30 (10.91%) Oracle
3 28 (10.18%) VMware
4 20 (7.27%) Cisco
4 20 (7.27%) Splunk
5 19 (6.91%) Red Hat
6 15 (5.45%) Google
7 11 (4.00%) IBM
8 10 (3.64%) Qualys
9 9 (3.27%) CyberArk
9 9 (3.27%) EMC
9 9 (3.27%) ServiceNow
10 7 (2.55%) CheckPoint
10 7 (2.55%) Nokia
10 7 (2.55%) SaltStack
11 6 (2.18%) Citrix
11 6 (2.18%) Juniper
12 5 (1.82%) HP
12 5 (1.82%) SolarWinds
12 5 (1.82%) Sybase