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 2 July 2025, comparing them to the same period in the previous two years.

6 months to
2 Jul 2025
Same period 2024 Same period 2023
Rank 131 250 227
Rank change year-on-year +119 -23 +42
Contract jobs citing High Availability 273 148 290
As % of all contract jobs advertised in London 2.10% 0.84% 1.15%
As % of the Processes & Methodologies category 2.28% 0.95% 1.26%
Number of daily rates quoted 192 108 194
10th Percentile £408 £262 £400
25th Percentile £463 £384 £500
Median daily rate (50th Percentile) £575 £550 £600
Median % change year-on-year +4.55% -8.33% -
75th Percentile £700 £660 £675
90th Percentile £765 £726 £700
England median daily rate £550 £525 £550
% change year-on-year +4.76% -4.55% -4.35%
Number of hourly rates quoted 4 3 5
10th Percentile - - £68.70
25th Percentile £26.00 - -
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 - £81.94
England median hourly rate £48.50 £58.30 £67.00
% change year-on-year -16.81% -12.99% +180.22%

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 11,977 15,594 22,959
As % of all contract IT jobs advertised in London 92.22% 88.54% 90.74%
Number of daily rates quoted 8,005 11,122 16,627
10th Percentile £335 £343 £372
25th Percentile £425 £448 £472
Median daily rate (50th Percentile) £550 £550 £588
Median % change year-on-year - -6.38% +2.17%
75th Percentile £675 £680 £700
90th Percentile £800 £800 £800
England median daily rate £515 £525 £550
% change year-on-year -1.90% -4.55% -
Number of hourly rates quoted 222 302 259
10th Percentile £16.50 £15.95 £18.50
25th Percentile £24.66 £20.02 £23.18
Median hourly rate £32.25 £30.00 £40.50
Median % change year-on-year +7.50% -25.93% +12.50%
75th Percentile £50.50 £48.75 £65.00
90th Percentile £63.70 £68.68 £82.50
England median hourly rate £25.15 £38.12 £37.50
% change year-on-year -34.02% +1.65% +44.23%

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 2 July 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 2 July 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 +30 40 £650 +18.18% 118
South London +11 13 £625 +19.05% 17
West London +3 7 £613 +38.57% 31
East London +15 4 £294 +17.50% 5
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 7 (2.56%) Apache
1 7 (2.56%) Apache Spark
1 7 (2.56%) Microsoft Exchange
2 4 (1.47%) Confluence
3 3 (1.10%) Camunda
3 3 (1.10%) CICS
4 2 (0.73%) CMS
4 2 (0.73%) Headless CMS
4 2 (0.73%) MQSeries
4 2 (0.73%) SharePoint
5 1 (0.37%) Alfresco
5 1 (0.37%) IIS
5 1 (0.37%) JBoss
5 1 (0.37%) nginx
5 1 (0.37%) OpenStack
5 1 (0.37%) SAS
5 1 (0.37%) Skype for Business
5 1 (0.37%) Tomcat
Applications
1 2 (0.73%) Microsoft Office
2 1 (0.37%) Chatbot
2 1 (0.37%) Microsoft Excel
2 1 (0.37%) Microsoft PowerPoint
2 1 (0.37%) Spreadsheet
Business Applications
1 4 (1.47%) SAP S/4HANA
2 1 (0.37%) BASE24
2 1 (0.37%) SAP MDG
Cloud Services
1 99 (36.26%) AWS
2 68 (24.91%) Azure
3 42 (15.38%) Serverless
4 38 (13.92%) AWS CloudFormation
5 36 (13.19%) Amazon S3
6 35 (12.82%) AWS Lambda
7 29 (10.62%) GCP
8 21 (7.69%) Amazon EKS
9 20 (7.33%) GitHub
10 17 (6.23%) Entra ID
11 13 (4.76%) Amazon EC2
11 13 (4.76%) Azure DevOps
11 13 (4.76%) Microsoft 365
12 12 (4.40%) Amazon CloudWatch
13 11 (4.03%) Virtual Private Cloud
14 10 (3.66%) PaaS
15 9 (3.30%) GitHub Actions
16 8 (2.93%) Azure AKS
16 8 (2.93%) IaaS
16 8 (2.93%) SaaS
Communications & Networking
1 35 (12.82%) Firewall
2 33 (12.09%) DNS
3 22 (8.06%) VPN
4 21 (7.69%) TCP/IP
5 19 (6.96%) WAN
6 17 (6.23%) DHCP
7 14 (5.13%) LAN
7 14 (5.13%) Network Security
8 12 (4.40%) BGP
9 11 (4.03%) OSPF
10 9 (3.30%) Multicast
11 7 (2.56%) Cisco Nexus
12 6 (2.20%) Wireless
13 5 (1.83%) 4G
13 5 (1.83%) NAS
13 5 (1.83%) SAN
13 5 (1.83%) VLAN
14 4 (1.47%) Cisco ISE
14 4 (1.47%) SNMP
14 4 (1.47%) Wireshark
Database & Business Intelligence
1 31 (11.36%) Amazon RDS
2 25 (9.16%) PostgreSQL
3 24 (8.79%) SQL Server
4 23 (8.42%) Relational Database
5 19 (6.96%) MySQL
6 18 (6.59%) NoSQL
7 15 (5.49%) MongoDB
7 15 (5.49%) Oracle Database
8 9 (3.30%) Azure SQL Database
9 6 (2.20%) Data Warehouse
10 5 (1.83%) RDBMS
11 4 (1.47%) Big Data
11 4 (1.47%) DynamoDB
11 4 (1.47%) Elasticsearch
11 4 (1.47%) Oracle Database 11g
12 3 (1.10%) Amazon Athena
12 3 (1.10%) Oracle Database 12c
12 3 (1.10%) Oracle Exadata
12 3 (1.10%) Power BI
12 3 (1.10%) Redis
Development Applications
1 29 (10.62%) Jenkins
2 18 (6.59%) Git
3 16 (5.86%) GitLab
4 9 (3.30%) TeamCity
5 7 (2.56%) Gradle
5 7 (2.56%) JIRA
5 7 (2.56%) Sonatype Nexus
6 6 (2.20%) JUnit
7 5 (1.83%) Artifactory
7 5 (1.83%) Cucumber
7 5 (1.83%) GCC
7 5 (1.83%) GDB
8 4 (1.47%) git-flow
8 4 (1.47%) Maven
8 4 (1.47%) Subversion
9 3 (1.10%) Atlassian Bamboo
9 3 (1.10%) Bitbucket
9 3 (1.10%) SonarQube
10 1 (0.37%) SQL Server Management Studio (SSMS)
10 1 (0.37%) tSQLt
General
1 90 (32.97%) Social Skills
2 64 (23.44%) Finance
3 44 (16.12%) Analytical Skills
4 34 (12.45%) Public Sector
5 27 (9.89%) Banking
6 17 (6.23%) Front Office
7 10 (3.66%) Investment Banking
8 6 (2.20%) Telecoms
9 5 (1.83%) Documentation Skills
9 5 (1.83%) Financial Institution
10 4 (1.47%) International Banking
10 4 (1.47%) Local Government
11 3 (1.10%) Inclusion and Diversity
11 3 (1.10%) Law
11 3 (1.10%) Legal
11 3 (1.10%) Organisational Skills
12 2 (0.73%) French Language
12 2 (0.73%) Publishing
13 1 (0.37%) Manufacturing
13 1 (0.37%) Retail Banking
Job Titles
1 49 (17.95%) Senior
2 44 (16.12%) Architect
2 44 (16.12%) Developer
3 21 (7.69%) DevOps Engineer
4 19 (6.96%) AWS Architect
4 19 (6.96%) DBA
5 15 (5.49%) Java Developer
6 14 (5.13%) Administrator
7 13 (4.76%) Platform Engineer
7 13 (4.76%) Senior Developer
8 11 (4.03%) Cloud Engineer
8 11 (4.03%) Infrastructure Engineer
8 11 (4.03%) Lead
8 11 (4.03%) Network Engineer
8 11 (4.03%) Python Developer
9 10 (3.66%) Kubernetes Engineer
10 9 (3.30%) Oracle DBA
11 8 (2.93%) Consultant
11 8 (2.93%) Site Engineer
11 8 (2.93%) Site Reliability Engineer
Libraries, Frameworks & Software Standards
1 18 (6.59%) Kafka
1 18 (6.59%) Spring
2 17 (6.23%) Middleware
3 16 (5.86%) REST
4 14 (5.13%) Spring Boot
5 12 (4.40%) .NET
6 10 (3.66%) Elastic Stack
6 10 (3.66%) FIX Protocol
6 10 (3.66%) HTML
7 9 (3.30%) AngularJS
7 9 (3.30%) RESTful
8 7 (2.56%) ARM Templates
8 7 (2.56%) OAuth
8 7 (2.56%) RabbitMQ
9 6 (2.20%) Apache NiFi
9 6 (2.20%) Hibernate
9 6 (2.20%) XML
10 5 (1.83%) ASP.NET
10 5 (1.83%) FpML
10 5 (1.83%) STL
Miscellaneous
1 33 (12.09%) Cloud Native
2 19 (6.96%) Clustering
3 18 (6.59%) Data Centre
4 17 (6.23%) Foreign Exchange (FX)
4 17 (6.23%) Replication
5 13 (4.76%) Distributed Architecture
5 13 (4.76%) PKI
6 12 (4.40%) Hybrid Cloud
7 11 (4.03%) Data Structures
7 11 (4.03%) Distributed Systems
8 10 (3.66%) Public Cloud
8 10 (3.66%) Self-Motivation
9 9 (3.30%) Fixed Income
10 8 (2.93%) Algorithms
10 8 (2.93%) Mainframe
10 8 (2.93%) Onboarding
11 6 (2.20%) Derivative
12 5 (1.83%) Distributed Applications
12 5 (1.83%) Private Cloud
12 5 (1.83%) Product Ownership
Operating Systems
1 69 (25.27%) Linux
2 32 (11.72%) Windows
3 16 (5.86%) Windows Server
4 15 (5.49%) Red Hat Enterprise Linux
5 12 (4.40%) Unix
6 8 (2.93%) CentOS
7 7 (2.56%) Solaris
8 5 (1.83%) zOS
9 3 (1.10%) VMS
10 2 (0.73%) Ubuntu
10 2 (0.73%) Windows 10
11 1 (0.37%) Android
11 1 (0.37%) Oracle Linux
11 1 (0.37%) Windows Server 2016
11 1 (0.37%) Windows Server 2019
Processes & Methodologies
1 80 (29.30%) DevOps
2 75 (27.47%) CI/CD
2 75 (27.47%) Problem-Solving
3 54 (19.78%) Containerisation
3 54 (19.78%) Infrastructure as Code
4 43 (15.75%) Disaster Recovery
5 40 (14.65%) Performance Tuning
6 38 (13.92%) Agile
7 31 (11.36%) Mentoring
8 26 (9.52%) Migration
8 26 (9.52%) Stakeholder Management
9 25 (9.16%) Microservices
10 21 (7.69%) Infrastructure Automation
10 21 (7.69%) Open Source
10 21 (7.69%) Test Automation
11 20 (7.33%) Continuous Integration
11 20 (7.33%) Observability
12 19 (6.96%) Infrastructure Management
12 19 (6.96%) Task Automation
13 18 (6.59%) Low Latency
Programming Languages
1 100 (36.63%) Python
2 58 (21.25%) SQL
3 38 (13.92%) Java
4 32 (11.72%) Bash
5 30 (10.99%) PowerShell
6 14 (5.13%) C#
7 10 (3.66%) C++
7 10 (3.66%) JavaScript
7 10 (3.66%) Shell Script
8 8 (2.93%) Perl
9 7 (2.56%) Bicep
9 7 (2.56%) Go
10 6 (2.20%) PL/SQL
11 5 (1.83%) Ruby
12 4 (1.47%) REXX
13 3 (1.10%) Assembly Language
13 3 (1.10%) Groovy
13 3 (1.10%) Jython
13 3 (1.10%) T-SQL
14 2 (0.73%) ActionScript 2.0
Qualifications
1 55 (20.15%) Security Cleared
2 46 (16.85%) SC Cleared
3 33 (12.09%) AWS Certification
4 29 (10.62%) AWS Certified Solutions Architect
5 15 (5.49%) Degree
6 11 (4.03%) Cisco Certification
6 11 (4.03%) Computer Science Degree
7 10 (3.66%) CCNP
8 7 (2.56%) AWS Certified DevOps Engineer
8 7 (2.56%) CCNA
8 7 (2.56%) DV Cleared
9 6 (2.20%) Azure Certification
10 5 (1.83%) VCAP
11 3 (1.10%) AWS Certified Developer
11 3 (1.10%) AWS Certified SysOps Administrator
11 3 (1.10%) BPSS Clearance
12 2 (0.73%) CCIE
12 2 (0.73%) JNCIA
12 2 (0.73%) JNCIS
12 2 (0.73%) Microsoft Certification
Quality Assurance & Compliance
1 17 (6.23%) GDPR
2 8 (2.93%) QA
3 7 (2.56%) PCI DSS
4 5 (1.83%) ISO/IEC 27001
4 5 (1.83%) Sarbanes-Oxley
5 4 (1.47%) HIPAA
5 4 (1.47%) SLA
6 3 (1.10%) SOC 2
7 2 (0.73%) Actionable Recommendations
7 2 (0.73%) Data Quality
7 2 (0.73%) Government Security Classifications
7 2 (0.73%) HMG Security Policy Framework
7 2 (0.73%) NCSC
8 1 (0.37%) 21 CFR Part 11
8 1 (0.37%) California Consumer Privacy Act
8 1 (0.37%) GxP
8 1 (0.37%) HL7
8 1 (0.37%) ISO 8583
8 1 (0.37%) NIST
System Software
1 48 (17.58%) Docker
2 31 (11.36%) Active Directory
3 21 (7.69%) VMware Infrastructure
4 12 (4.40%) Virtual Machines
5 10 (3.66%) VMware ESXi
6 9 (3.30%) vSphere
7 6 (2.20%) Oracle RAC
8 5 (1.83%) VMware NSX
9 4 (1.47%) Hyper-V
10 3 (1.10%) Firmware
10 3 (1.10%) NFS
10 3 (1.10%) RACF
10 3 (1.10%) vCloud
10 3 (1.10%) Virtual Desktop
10 3 (1.10%) VMware Workstation
11 2 (0.73%) Apache ZooKeeper
11 2 (0.73%) GPFS
12 1 (0.37%) Veritas File System
12 1 (0.37%) Veritas Volume Manager
12 1 (0.37%) XenApp
Systems Management
1 69 (25.27%) Terraform
2 68 (24.91%) Kubernetes
3 52 (19.05%) Ansible
4 14 (5.13%) Prometheus
5 12 (4.40%) Puppet
6 11 (4.03%) Rancher
7 10 (3.66%) FortiGate
7 10 (3.66%) Grafana
7 10 (3.66%) Progress Chef
8 8 (2.93%) Microsoft Intune
9 7 (2.56%) Nagios
10 6 (2.20%) Oracle Enterprise Manager
10 6 (2.20%) Tivoli
11 5 (1.83%) Kibana
11 5 (1.83%) Red Hat Satellite
11 5 (1.83%) vCenter Server
12 4 (1.47%) PowerCLI
12 4 (1.47%) QRadar
12 4 (1.47%) Single Sign-On
12 4 (1.47%) vRealize
Vendors
1 36 (13.19%) Microsoft
2 30 (10.99%) VMware
3 26 (9.52%) Oracle
4 24 (8.79%) Cisco
5 16 (5.86%) Red Hat
6 15 (5.49%) Splunk
7 14 (5.13%) Google
8 10 (3.66%) IBM
8 10 (3.66%) Juniper
9 8 (2.93%) SolarWinds
10 7 (2.56%) F5
10 7 (2.56%) Fortinet
10 7 (2.56%) ServiceNow
11 6 (2.20%) EMC
11 6 (2.20%) Qualys
12 5 (1.83%) CyberArk
13 4 (1.47%) Nokia
13 4 (1.47%) SaltStack
13 4 (1.47%) SAP
13 4 (1.47%) Solace