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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 129 217 223
Rank change year-on-year +88 +6 +52
Contract jobs citing High Availability 276 179 318
As % of all contract jobs advertised in London 2.20% 1.00% 1.18%
As % of the Processes & Methodologies category 2.39% 1.13% 1.29%
Number of daily rates quoted 194 130 211
10th Percentile £406 £300 £420
25th Percentile £475 £461 £478
Median daily rate (50th Percentile) £600 £573 £600
Median % change year-on-year +4.80% -4.58% -
75th Percentile £700 £675 £675
90th Percentile £775 £716 £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 £52.50 £70.00
% change year-on-year -49.10% -25.00% +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 11,564 15,790 24,631
As % of all contract IT jobs advertised in London 92.16% 88.55% 91.11%
Number of daily rates quoted 7,847 11,316 17,711
10th Percentile £350 £338 £375
25th Percentile £440 £450 £475
Median daily rate (50th Percentile) £550 £550 £590
Median % change year-on-year - -6.78% +2.61%
75th Percentile £688 £675 £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 166 324 278
10th Percentile £16.17 £16.00 £18.59
25th Percentile £22.68 £20.00 £22.53
Median hourly rate £31.67 £29.50 £38.13
Median % change year-on-year +7.36% -22.62% +5.90%
75th Percentile £50.75 £47.56 £62.64
90th Percentile £63.75 £65.93 £76.78
England median hourly rate £29.07 £36.00 £37.50
% change year-on-year -19.25% -4.00% +53.06%

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 1 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 1 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 +35 45 £575 -9.80% 11
South London +9 7 £473 -8.92%
West London +8 6 £475 +13.37% 7
East London +15 1 £550 +5.77% 1
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 (5.80%) Microsoft Exchange
2 14 (5.07%) Apache
2 14 (5.07%) SharePoint
3 9 (3.26%) Confluence
4 8 (2.90%) Apache Spark
4 8 (2.90%) nginx
4 8 (2.90%) OpenStack
5 3 (1.09%) Camunda
6 2 (0.72%) MQSeries
7 1 (0.36%) Alfresco
7 1 (0.36%) IIS
7 1 (0.36%) JBoss
7 1 (0.36%) Skype for Business
7 1 (0.36%) Tomcat
Applications
1 4 (1.45%) Microsoft Office
2 1 (0.36%) Spreadsheet
Business Applications
1 1 (0.36%) BASE24
Cloud Services
1 93 (33.70%) AWS
2 70 (25.36%) Azure
3 39 (14.13%) Serverless
4 33 (11.96%) GCP
5 31 (11.23%) AWS Lambda
6 30 (10.87%) Amazon S3
6 30 (10.87%) AWS CloudFormation
7 24 (8.70%) Entra ID
8 21 (7.61%) GitHub
8 21 (7.61%) Microsoft 365
9 20 (7.25%) Amazon EKS
10 16 (5.80%) Cloud Computing
11 12 (4.35%) Azure DevOps
11 12 (4.35%) Power Platform
12 10 (3.62%) Amazon EC2
13 9 (3.26%) OneDrive
14 8 (2.90%) GitHub Actions
14 8 (2.90%) IaaS
14 8 (2.90%) OpenShift
14 8 (2.90%) Power Automate
Communications & Networking
1 30 (10.87%) DNS
2 27 (9.78%) Firewall
3 20 (7.25%) VPN
4 18 (6.52%) WAN
5 17 (6.16%) Network Security
5 17 (6.16%) TCP/IP
6 14 (5.07%) LAN
7 12 (4.35%) 4G
7 12 (4.35%) DHCP
7 12 (4.35%) HTTP
8 11 (3.99%) 5G
9 10 (3.62%) BGP
10 9 (3.26%) 5G NR
10 9 (3.26%) LTE
10 9 (3.26%) Radio Access Network
11 8 (2.90%) OSPF
11 8 (2.90%) Wireless
12 7 (2.54%) VLAN
13 6 (2.17%) Multicast
14 4 (1.45%) SD-WAN
Database & Business Intelligence
1 31 (11.23%) Amazon RDS
2 24 (8.70%) SQL Server
3 23 (8.33%) PostgreSQL
4 22 (7.97%) MySQL
5 19 (6.88%) MongoDB
5 19 (6.88%) Relational Database
6 15 (5.43%) Oracle Database
7 11 (3.99%) NoSQL
8 8 (2.90%) Azure SQL Database
9 6 (2.17%) Data Warehouse
10 5 (1.81%) Apache Cassandra
11 4 (1.45%) Big Data
11 4 (1.45%) Elasticsearch
11 4 (1.45%) Oracle Database 11g
11 4 (1.45%) Oracle Database 12c
11 4 (1.45%) RDBMS
12 3 (1.09%) Oracle Reports
12 3 (1.09%) Power BI
12 3 (1.09%) Redis
12 3 (1.09%) Tableau
Development Applications
1 43 (15.58%) Jenkins
2 22 (7.97%) Git
3 20 (7.25%) GitLab
4 17 (6.16%) TeamCity
5 12 (4.35%) JIRA
6 10 (3.62%) JUnit
7 9 (3.26%) Subversion
8 8 (2.90%) Cucumber
9 7 (2.54%) Sonatype Nexus
10 6 (2.17%) Bitbucket
10 6 (2.17%) Gradle
11 5 (1.81%) Jasmine
11 5 (1.81%) Maven
12 4 (1.45%) Artifactory
12 4 (1.45%) GCC
12 4 (1.45%) GDB
13 3 (1.09%) git-flow
13 3 (1.09%) SonarQube
14 2 (0.72%) Atlassian Bamboo
15 1 (0.36%) Mocha
General
1 78 (28.26%) Social Skills
2 54 (19.57%) Finance
3 40 (14.49%) Public Sector
4 34 (12.32%) Analytical Skills
5 26 (9.42%) Banking
6 18 (6.52%) Investment Banking
6 18 (6.52%) Telecoms
7 12 (4.35%) Front Office
8 8 (2.90%) Financial Institution
9 5 (1.81%) 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 (0.72%) Inclusion and Diversity
12 2 (0.72%) Retail Banking
13 1 (0.36%) Billing
13 1 (0.36%) Multimedia
13 1 (0.36%) Wholesale Banking
Job Titles
1 51 (18.48%) Developer
2 47 (17.03%) Senior
3 45 (16.30%) Architect
4 26 (9.42%) DevOps Engineer
5 22 (7.97%) AWS Architect
6 19 (6.88%) DBA
7 16 (5.80%) Java Developer
8 15 (5.43%) Administrator
9 14 (5.07%) Support Engineer
10 13 (4.71%) Lead
11 12 (4.35%) Senior Developer
12 11 (3.99%) Platform Engineer
13 10 (3.62%) Cloud Architect
13 10 (3.62%) Microsoft 365 Engineer
13 10 (3.62%) Microsoft Engineer
13 10 (3.62%) Site Reliability Engineer
14 9 (3.26%) Azure Engineer
14 9 (3.26%) Network Engineer
14 9 (3.26%) Site Engineer
15 8 (2.90%) Oracle DBA
Libraries, Frameworks & Software Standards
1 19 (6.88%) Spring
2 18 (6.52%) REST
3 17 (6.16%) Spring Boot
4 14 (5.07%) Kafka
5 13 (4.71%) Elastic Stack
5 13 (4.71%) HTML
6 12 (4.35%) RESTful
7 11 (3.99%) AngularJS
8 10 (3.62%) .NET
9 8 (2.90%) Middleware
10 7 (2.54%) OpenAPI
10 7 (2.54%) Swagger
11 6 (2.17%) Apache NiFi
11 6 (2.17%) ARM Templates
11 6 (2.17%) Hibernate
11 6 (2.17%) RabbitMQ
11 6 (2.17%) XML
12 5 (1.81%) OAuth
12 5 (1.81%) Spring Batch
12 5 (1.81%) Spring Security
Miscellaneous
1 32 (11.59%) Cloud Native
2 21 (7.61%) Clustering
3 18 (6.52%) Replication
4 14 (5.07%) Foreign Exchange (FX)
5 13 (4.71%) Distributed Systems
6 12 (4.35%) Hybrid Cloud
6 12 (4.35%) PKI
7 10 (3.62%) Data Centre
8 9 (3.26%) Distributed Architecture
8 9 (3.26%) Public Cloud
8 9 (3.26%) Team-Oriented Environment
9 8 (2.90%) Private Cloud
9 8 (2.90%) Self-Motivation
10 6 (2.17%) Credit Risk
11 5 (1.81%) Data Structures
11 5 (1.81%) Distributed Denial-of-Service
11 5 (1.81%) Linux Command Line
11 5 (1.81%) Market Risk
11 5 (1.81%) Onboarding
12 4 (1.45%) Distributed Applications
Operating Systems
1 75 (27.17%) Linux
2 31 (11.23%) Windows
3 23 (8.33%) Unix
4 18 (6.52%) Red Hat Enterprise Linux
5 14 (5.07%) Windows Server
6 11 (3.99%) Solaris
7 7 (2.54%) CentOS
8 3 (1.09%) VMS
8 3 (1.09%) Windows 10
9 2 (0.72%) Windows Server 2016
9 2 (0.72%) Windows Server 2019
10 1 (0.36%) Oracle Linux
10 1 (0.36%) Ubuntu
Processes & Methodologies
1 95 (34.42%) DevOps
2 92 (33.33%) CI/CD
3 77 (27.90%) Problem-Solving
4 55 (19.93%) Containerisation
5 54 (19.57%) Disaster Recovery
6 49 (17.75%) Infrastructure as Code
7 39 (14.13%) Agile
8 34 (12.32%) Performance Tuning
9 32 (11.59%) Mentoring
10 29 (10.51%) Migration
11 27 (9.78%) Cloud Security
11 27 (9.78%) Task Automation
12 24 (8.70%) Infrastructure Automation
13 23 (8.33%) Low Latency
14 22 (7.97%) Microservices
14 22 (7.97%) Performance Optimisation
15 21 (7.61%) Continuous Integration
15 21 (7.61%) Test Automation
16 20 (7.25%) Configuration Management
16 20 (7.25%) Open Source
Programming Languages
1 108 (39.13%) Python
2 59 (21.38%) SQL
3 39 (14.13%) PowerShell
4 38 (13.77%) Java
5 36 (13.04%) Bash
6 16 (5.80%) Shell Script
7 12 (4.35%) C#
7 12 (4.35%) JavaScript
7 12 (4.35%) Perl
8 10 (3.62%) Groovy
9 8 (2.90%) C++
10 7 (2.54%) Bicep
11 6 (2.17%) PL/SQL
11 6 (2.17%) Ruby
12 5 (1.81%) Go
13 4 (1.45%) TypeScript
14 3 (1.09%) Jython
14 3 (1.09%) T-SQL
15 2 (0.72%) ActionScript
15 2 (0.72%) VB
Qualifications
1 69 (25.00%) Security Cleared
2 53 (19.20%) SC Cleared
3 29 (10.51%) AWS Certification
4 25 (9.06%) AWS Certified Solutions Architect
5 22 (7.97%) Degree
6 12 (4.35%) DV Cleared
7 11 (3.99%) Cisco Certification
8 10 (3.62%) CCNP
9 8 (2.90%) CCNA
10 6 (2.17%) Computer Science Degree
11 5 (1.81%) AWS Certified DevOps Engineer
12 4 (1.45%) Azure Certification
12 4 (1.45%) VCAP
13 3 (1.09%) CCSA
13 3 (1.09%) RHCSA
14 2 (0.72%) AWS Certified Developer
14 2 (0.72%) AWS Certified SysOps Administrator
14 2 (0.72%) CCSE
14 2 (0.72%) CISSP
14 2 (0.72%) Microsoft Certification
Quality Assurance & Compliance
1 21 (7.61%) GDPR
2 9 (3.26%) Sarbanes-Oxley
3 7 (2.54%) QA
4 6 (2.17%) ISO/IEC 27001
4 6 (2.17%) PCI DSS
5 3 (1.09%) Accessibility
5 3 (1.09%) HIPAA
5 3 (1.09%) SOC 2
6 2 (0.72%) Actionable Recommendations
6 2 (0.72%) Data Quality
6 2 (0.72%) Government Security Classifications
6 2 (0.72%) HMG Security Policy Framework
6 2 (0.72%) NCSC
6 2 (0.72%) NIST
6 2 (0.72%) SLA
7 1 (0.36%) 21 CFR Part 11
7 1 (0.36%) California Consumer Privacy Act
7 1 (0.36%) GxP
7 1 (0.36%) HL7
7 1 (0.36%) ISO 8583
System Software
1 58 (21.01%) Docker
2 33 (11.96%) Active Directory
3 20 (7.25%) VMware Infrastructure
4 15 (5.43%) Virtual Machines
5 13 (4.71%) VMware ESXi
6 9 (3.26%) vSphere
7 6 (2.17%) Oracle RAC
8 4 (1.45%) NFS
9 3 (1.09%) vCloud
9 3 (1.09%) Veritas File System
9 3 (1.09%) Veritas Volume Manager
9 3 (1.09%) Virtual Desktop
9 3 (1.09%) VMware NSX
9 3 (1.09%) VMware Workstation
10 2 (0.72%) Apache ZooKeeper
11 1 (0.36%) Ceph
11 1 (0.36%) Firmware
11 1 (0.36%) KVM
11 1 (0.36%) Veritas Cluster Server
11 1 (0.36%) XenApp
Systems Management
1 78 (28.26%) Ansible
2 73 (26.45%) Kubernetes
3 72 (26.09%) Terraform
4 15 (5.43%) Microsoft Intune
5 12 (4.35%) Puppet
6 10 (3.62%) Progress Chef
6 10 (3.62%) Prometheus
7 8 (2.90%) QRadar
7 8 (2.90%) Rancher
7 8 (2.90%) Tivoli
8 7 (2.54%) Nagios
8 7 (2.54%) Red Hat Satellite
9 6 (2.17%) EMC NetWorker
9 6 (2.17%) Grafana
9 6 (2.17%) Tivoli Storage Manager
10 5 (1.81%) Kibana
10 5 (1.81%) NSN NetAct
10 5 (1.81%) SCCM
11 4 (1.45%) Data Guard
11 4 (1.45%) Oracle Enterprise Manager
Vendors
1 48 (17.39%) Microsoft
2 29 (10.51%) Oracle
3 28 (10.14%) VMware
4 21 (7.61%) Cisco
5 20 (7.25%) Red Hat
5 20 (7.25%) Splunk
6 15 (5.43%) Google
7 11 (3.99%) IBM
8 10 (3.62%) Qualys
9 9 (3.26%) CyberArk
9 9 (3.26%) EMC
9 9 (3.26%) ServiceNow
10 7 (2.54%) CheckPoint
10 7 (2.54%) Nokia
10 7 (2.54%) SaltStack
11 6 (2.17%) Citrix
11 6 (2.17%) Dynatrace
11 6 (2.17%) Ericsson
11 6 (2.17%) Juniper
12 5 (1.81%) AppDynamics