High Availability Contract Job Trends in the City of London

High Availability
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring High Availability skills. It covers vacancies from the 6 months leading up to 16 September 2025, with comparisons to the same periods in the previous two years.

6 months to
16 Sep 2025
Same period 2024 Same period 2023
Rank 89 107 130
Rank change year-on-year +18 +23 +39
Contract jobs citing High Availability 33 20 25
As % of all contract jobs advertised in the City of London 1.88% 0.97% 0.82%
As % of the Processes & Methodologies category 1.99% 1.05% 0.91%
Number of daily rates quoted 21 13 18
10th Percentile £500 £427 £461
25th Percentile £550 £518 £499
Median daily rate (50th Percentile) £660 £575 £545
Median % change year-on-year +14.78% +5.50% -22.14%
75th Percentile £760 £650 £640
90th Percentile £775 £792 £688
Central London median daily rate £650 £575 £540
% change year-on-year +13.04% +6.48% -22.86%

All Process and Methodology Skills
City of 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 the City of London.

Contract vacancies with a requirement for process or methodology skills 1,657 1,905 2,747
As % of all contract IT jobs advertised in the City of London 94.20% 92.07% 90.27%
Number of daily rates quoted 1,099 1,207 1,901
10th Percentile £325 £375 £363
25th Percentile £415 £475 £475
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% +4.35%
75th Percentile £675 £688 £706
90th Percentile £763 £788 £813
Central London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% +4.35%
Number of hourly rates quoted 22 17 16
10th Percentile £17.35 £15.20 £14.25
25th Percentile £23.98 £20.22 £16.02
Median hourly rate £28.33 £27.00 £25.00
Median % change year-on-year +4.91% +8.00% -41.86%
75th Percentile £53.50 £78.75 £44.87
90th Percentile £63.75 £137.50 £60.88
Central London median hourly rate £31.25 £35.00 £26.00
% change year-on-year -10.71% +34.62% -38.82%

High Availability
Job Vacancy Trend in the City of London

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

Job vacancy trend for High Availability in the City of London

High Availability
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing High Availability.

Contractor daily rate distribution trend for jobs in the City of London citing High Availability

High Availability
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing High Availability in the City of London over the 6 months to 16 September 2025.

Daily rate histogram for High Availability in the City of London

High Availability
Hourly Rate Trend in the City of London

Contractor hourly rate distribution trend for jobs in the City of London citing High Availability.

Contractor hourly rate distribution trend for jobs in the City of London citing High Availability

High Availability
Co-occurring Skills and Capabilities in the City of 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 1 (3.03%) CICS
1 1 (3.03%) Microsoft Exchange
1 1 (3.03%) SharePoint
Cloud Services
1 11 (33.33%) AWS
2 10 (30.30%) Azure
3 6 (18.18%) AWS CloudFormation
4 4 (12.12%) GitHub
5 3 (9.09%) Azure DevOps
5 3 (9.09%) GitHub Actions
5 3 (9.09%) Virtual Private Cloud
6 2 (6.06%) Azure AKS
6 2 (6.06%) GCP
6 2 (6.06%) Microsoft 365
6 2 (6.06%) Power Automate
6 2 (6.06%) Power Platform
7 1 (3.03%) Amazon CloudWatch
7 1 (3.03%) Amazon EKS
7 1 (3.03%) Amazon ELB
7 1 (3.03%) Azure Data Factory
7 1 (3.03%) IaaS
7 1 (3.03%) PaaS
7 1 (3.03%) PowerApps
7 1 (3.03%) SaaS
Communications & Networking
1 5 (15.15%) Firewall
2 3 (9.09%) DNS
2 3 (9.09%) HTTP
2 3 (9.09%) SSL
2 3 (9.09%) TCP/IP
2 3 (9.09%) VPN
3 2 (6.06%) Multicast
4 1 (3.03%) BGP
4 1 (3.03%) Cisco Nexus
4 1 (3.03%) Ethernet VPN
4 1 (3.03%) IGMP
4 1 (3.03%) LAN
4 1 (3.03%) Network Security
4 1 (3.03%) OSPF
4 1 (3.03%) VXLAN
4 1 (3.03%) WAN
4 1 (3.03%) Wi-Fi
Database & Business Intelligence
1 3 (9.09%) PostgreSQL
1 3 (9.09%) SQL Server
2 2 (6.06%) Oracle Database
2 2 (6.06%) Oracle Exadata
2 2 (6.06%) RDBMS
2 2 (6.06%) Relational Database
3 1 (3.03%) Apache Cassandra
3 1 (3.03%) Azure SQL Database
3 1 (3.03%) MongoDB
3 1 (3.03%) MySQL
3 1 (3.03%) NoSQL
3 1 (3.03%) Power BI
Development Applications
1 7 (21.21%) Jenkins
2 4 (12.12%) Git
3 2 (6.06%) Atlassian Bamboo
3 2 (6.06%) Robot Framework
4 1 (3.03%) Artifactory
4 1 (3.03%) Bitbucket
4 1 (3.03%) GitLab
4 1 (3.03%) JUnit
4 1 (3.03%) SonarQube
4 1 (3.03%) Sonatype Nexus
General
1 18 (54.55%) Finance
2 11 (33.33%) Social Skills
3 8 (24.24%) Analytical Skills
4 4 (12.12%) Banking
5 2 (6.06%) Financial Institution
6 1 (3.03%) Back Office
6 1 (3.03%) Documentation Skills
6 1 (3.03%) Front Office
6 1 (3.03%) Inclusion and Diversity
6 1 (3.03%) Investment Banking
6 1 (3.03%) Law
6 1 (3.03%) Legal
6 1 (3.03%) Manufacturing
6 1 (3.03%) Public Sector
Job Titles
1 7 (21.21%) Senior
2 5 (15.15%) Lead
3 4 (12.12%) DevOps Engineer
4 3 (9.09%) Azure Engineer
4 3 (9.09%) Developer
4 3 (9.09%) Infrastructure Engineer
4 3 (9.09%) Network Engineer
4 3 (9.09%) Site Engineer
4 3 (9.09%) Site Reliability Engineer
5 2 (6.06%) Administrator
5 2 (6.06%) Architect
5 2 (6.06%) AWS DevOps
5 2 (6.06%) Database Specialist
5 2 (6.06%) DBA
5 2 (6.06%) Infrastructure Specialist
5 2 (6.06%) Java Engineer
5 2 (6.06%) Network Infrastructure Engineer
5 2 (6.06%) PostgreSQL DBA
5 2 (6.06%) Senior DevOps
5 2 (6.06%) Senior Java Engineer
Libraries, Frameworks & Software Standards
1 3 (9.09%) .NET
2 2 (6.06%) ARM Templates
2 2 (6.06%) OAuth
2 2 (6.06%) OAuth2
2 2 (6.06%) REST
2 2 (6.06%) RESTful
2 2 (6.06%) Spring
2 2 (6.06%) Spring Boot
3 1 (3.03%) .NET Core
3 1 (3.03%) AngularJS
3 1 (3.03%) Elastic Stack
3 1 (3.03%) GraphQL
3 1 (3.03%) Kafka
3 1 (3.03%) OpenAPI
3 1 (3.03%) React
3 1 (3.03%) React Native
3 1 (3.03%) Redux
3 1 (3.03%) Spring Batch
3 1 (3.03%) Swagger
3 1 (3.03%) Zustand
Miscellaneous
1 4 (12.12%) Distributed Systems
2 3 (9.09%) Cloud Native
2 3 (9.09%) Clustering
2 3 (9.09%) Data Centre
2 3 (9.09%) Replication
3 2 (6.06%) Distributed Applications
3 2 (6.06%) Distributed Architecture
3 2 (6.06%) Foreign Exchange (FX)
3 2 (6.06%) Mainframe
3 2 (6.06%) Private Cloud
3 2 (6.06%) Virtual Team
4 1 (3.03%) Credit Risk
4 1 (3.03%) Greenfield Project
4 1 (3.03%) Mobile App
4 1 (3.03%) Product Ownership
4 1 (3.03%) Public Cloud
4 1 (3.03%) Self-Motivation
Operating Systems
1 8 (24.24%) Linux
2 5 (15.15%) Unix
3 3 (9.09%) Red Hat Enterprise Linux
4 2 (6.06%) Windows
4 2 (6.06%) zOS
5 1 (3.03%) Android
5 1 (3.03%) Apple iOS
Processes & Methodologies
1 16 (48.48%) DevOps
2 13 (39.39%) CI/CD
3 11 (33.33%) Containerisation
4 9 (27.27%) Infrastructure as Code
5 7 (21.21%) Microservices
5 7 (21.21%) Problem-Solving
6 6 (18.18%) Agile
6 6 (18.18%) Configuration Management
7 5 (15.15%) Low Latency
8 4 (12.12%) Infrastructure Automation
8 4 (12.12%) Observability
8 4 (12.12%) Proactive Monitoring
8 4 (12.12%) Runbook
8 4 (12.12%) Site Reliability Engineering
8 4 (12.12%) Technical Leadership
8 4 (12.12%) Test Automation
9 3 (9.09%) Code Quality
9 3 (9.09%) DevSecOps
9 3 (9.09%) Full-Stack Development
9 3 (9.09%) Infrastructure Engineering
Programming Languages
1 15 (45.45%) Python
2 8 (24.24%) Java
3 7 (21.21%) SQL
4 5 (15.15%) Bash
5 4 (12.12%) C#
5 4 (12.12%) Go
6 3 (9.09%) Shell Script
7 2 (6.06%) AWK
7 2 (6.06%) Perl
7 2 (6.06%) PowerShell
7 2 (6.06%) PromQL
7 2 (6.06%) sed
7 2 (6.06%) TypeScript
8 1 (3.03%) Assembly Language
8 1 (3.03%) Bicep
8 1 (3.03%) JavaScript
8 1 (3.03%) Kotlin
8 1 (3.03%) Objective-C
8 1 (3.03%) REXX
8 1 (3.03%) Swift
Qualifications
1 3 (9.09%) SC Cleared
1 3 (9.09%) Security Cleared
2 2 (6.06%) AWS Certification
2 2 (6.06%) AWS Certified Developer
2 2 (6.06%) AWS Certified DevOps Engineer
2 2 (6.06%) AWS Certified Solutions Architect
2 2 (6.06%) AWS Certified SysOps Administrator
2 2 (6.06%) Azure Certification
3 1 (3.03%) CCIE
3 1 (3.03%) CCNP
3 1 (3.03%) Cisco Certification
3 1 (3.03%) Microsoft Certification
Quality Assurance & Compliance
1 1 (3.03%) GDPR
1 1 (3.03%) HIPAA
1 1 (3.03%) QA
System Software
1 5 (15.15%) Docker
2 2 (6.06%) GPFS
2 2 (6.06%) NFS
3 1 (3.03%) Active Directory
3 1 (3.03%) Firmware
3 1 (3.03%) RACF
3 1 (3.03%) VMware ESXi
3 1 (3.03%) VMware Infrastructure
Systems Management
1 12 (36.36%) Terraform
2 8 (24.24%) Ansible
2 8 (24.24%) Kubernetes
3 5 (15.15%) Grafana
3 5 (15.15%) Prometheus
4 3 (9.09%) Puppet
5 2 (6.06%) Istio
5 2 (6.06%) Oracle Enterprise Manager
5 2 (6.06%) Progress Chef
6 1 (3.03%) ITRS Geneos
6 1 (3.03%) Microsoft Intune
6 1 (3.03%) OMEGAMON
6 1 (3.03%) Single Sign-On
6 1 (3.03%) vCenter Server
6 1 (3.03%) vMotion
6 1 (3.03%) ZABBIX
Vendors
1 4 (12.12%) F5
1 4 (12.12%) Microsoft
2 3 (9.09%) Oracle
2 3 (9.09%) Red Hat
2 3 (9.09%) Splunk
3 2 (6.06%) Cisco
3 2 (6.06%) Palo Alto
4 1 (3.03%) Arista
4 1 (3.03%) CheckPoint
4 1 (3.03%) Dynatrace
4 1 (3.03%) Fortinet
4 1 (3.03%) LogicMonitor
4 1 (3.03%) MobileIron
4 1 (3.03%) SolarWinds
4 1 (3.03%) Tenable
4 1 (3.03%) VMware