High Availability Contracts in the City of London

High Availability
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of 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 May 2025, comparing them to the same period in the previous two years.

6 months to
2 May 2025
Same period 2024 Same period 2023
Rank 82 112 122
Rank change year-on-year +30 +10 +36
Contract jobs citing High Availability 37 14 51
As % of all contract jobs advertised in the City of London 2.11% 0.64% 1.40%
As % of the Processes & Methodologies category 2.26% 0.70% 1.53%
Number of daily rates quoted 23 8 43
10th Percentile £403 £333 £430
25th Percentile £481 £518 £481
Median daily rate (50th Percentile) £575 £638 £625
Median % change year-on-year -9.80% +2.00% +7.76%
75th Percentile £688 £734 £675
90th Percentile £738 £958 -
Central London median daily rate £575 £638 £625
% change year-on-year -9.80% +2.00% +7.76%

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 1,637 1,989 3,335
As % of all contract IT jobs advertised in the City of London 93.17% 90.53% 91.72%
Number of daily rates quoted 1,034 1,408 2,250
10th Percentile £363 £363 £356
25th Percentile £463 £450 £475
Median daily rate (50th Percentile) £575 £565 £600
Median % change year-on-year +1.77% -5.83% +4.35%
75th Percentile £684 £688 £730
90th Percentile £775 £813 £825
Central London median daily rate £575 £550 £600
% change year-on-year +4.55% -8.33% +5.26%
Number of hourly rates quoted 12 11 24
10th Percentile £22.00 £19.92 £15.33
25th Percentile £24.00 £20.22 £18.03
Median hourly rate £29.58 £25.00 £35.00
Median % change year-on-year +18.30% -28.57% -14.63%
75th Percentile £45.00 £40.00 £58.75
90th Percentile £62.25 £41.84 £88.30
Central London median hourly rate £29.07 £27.81 £35.00
% change year-on-year +4.53% -20.54% -14.63%

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
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for High Availability in the City of London

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 2 May 2025.

Daily rate histogram for High Availability in the City of London

High Availability
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for High Availability in the City of London

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 6 (16.22%) SharePoint
2 3 (8.11%) Apache
3 2 (5.41%) Confluence
3 2 (5.41%) nginx
4 1 (2.70%) Apache Spark
4 1 (2.70%) Microsoft Exchange
Cloud Services
1 11 (29.73%) AWS
2 9 (24.32%) Azure
3 5 (13.51%) Entra ID
3 5 (13.51%) Microsoft 365
4 4 (10.81%) AWS CloudFormation
4 4 (10.81%) Cloud Computing
4 4 (10.81%) GCP
4 4 (10.81%) Serverless
5 3 (8.11%) IaaS
5 3 (8.11%) PaaS
5 3 (8.11%) SaaS
6 2 (5.41%) AWS Lambda
6 2 (5.41%) Azure Event Grid
6 2 (5.41%) Azure ExpressRoute
6 2 (5.41%) Azure Logic Apps
6 2 (5.41%) Azure Monitor
6 2 (5.41%) Azure Sentinel
6 2 (5.41%) GitHub
6 2 (5.41%) Nutanix
6 2 (5.41%) Power Platform
Communications & Networking
1 3 (8.11%) DNS
1 3 (8.11%) Firewall
1 3 (8.11%) LAN
1 3 (8.11%) VPN
1 3 (8.11%) WAN
2 2 (5.41%) Internet
2 2 (5.41%) Kerberos
2 2 (5.41%) VLAN
2 2 (5.41%) Wireless
3 1 (2.70%) 4G
3 1 (2.70%) 5G
3 1 (2.70%) 5G NR
3 1 (2.70%) LTE
3 1 (2.70%) MPLS
3 1 (2.70%) NetScaler
3 1 (2.70%) Network Security
3 1 (2.70%) Radio Access Network
3 1 (2.70%) TCP/IP
3 1 (2.70%) Unified Communications
3 1 (2.70%) WebEx
Database & Business Intelligence
1 5 (13.51%) MySQL
1 5 (13.51%) Oracle Database
1 5 (13.51%) PostgreSQL
2 4 (10.81%) Relational Database
2 4 (10.81%) SQL Server
3 3 (8.11%) Amazon RDS
3 3 (8.11%) Tableau
4 2 (5.41%) Azure SQL Database
4 2 (5.41%) CockroachDB
4 2 (5.41%) Data Warehouse
4 2 (5.41%) MongoDB
4 2 (5.41%) Oracle Reports
5 1 (2.70%) Amazon Athena
5 1 (2.70%) Amazon Redshift
5 1 (2.70%) Data Lake
5 1 (2.70%) DynamoDB
5 1 (2.70%) NonStop SQL
5 1 (2.70%) NoSQL
5 1 (2.70%) Oracle Database 11g
5 1 (2.70%) Sybase ASE
Development Applications
1 9 (24.32%) Jenkins
2 5 (13.51%) TeamCity
3 4 (10.81%) GitLab
3 4 (10.81%) JIRA
4 3 (8.11%) Bitbucket
5 2 (5.41%) Subversion
6 1 (2.70%) Atlassian Bamboo
6 1 (2.70%) Serena SBM
General
1 11 (29.73%) Finance
2 8 (21.62%) Banking
3 6 (16.22%) Social Skills
4 5 (13.51%) Investment Banking
5 3 (8.11%) Public Sector
6 2 (5.41%) Financial Institution
7 1 (2.70%) Analytical Skills
7 1 (2.70%) Front Office
7 1 (2.70%) Manufacturing
7 1 (2.70%) Multimedia
7 1 (2.70%) Telecoms
Job Titles
1 8 (21.62%) Developer
2 7 (18.92%) Senior
3 4 (10.81%) Architect
3 4 (10.81%) DevOps Engineer
4 3 (8.11%) Administrator
4 3 (8.11%) Angular Developer
4 3 (8.11%) Cloud Architect
4 3 (8.11%) Database Engineer
4 3 (8.11%) DBA
4 3 (8.11%) Lead
4 3 (8.11%) Network Engineer
4 3 (8.11%) SharePoint Developer
4 3 (8.11%) Tableau Developer
5 2 (5.41%) AWS DevOps
5 2 (5.41%) Azure Architect
5 2 (5.41%) Azure Engineer
5 2 (5.41%) Network Architect
5 2 (5.41%) Senior Architect
5 2 (5.41%) Senior Cloud Architect
5 2 (5.41%) Senior DevOps
Libraries, Frameworks & Software Standards
1 3 (8.11%) AngularJS
1 3 (8.11%) HTML
1 3 (8.11%) HTML5
1 3 (8.11%) REST
1 3 (8.11%) RxJS
1 3 (8.11%) SPFx
2 2 (5.41%) ARM Templates
2 2 (5.41%) Azure Blueprints
2 2 (5.41%) Kafka
2 2 (5.41%) LDAP
3 1 (2.70%) Elastic Stack
3 1 (2.70%) OAuth
3 1 (2.70%) OAuth2
3 1 (2.70%) OpenAPI
3 1 (2.70%) PySpark
3 1 (2.70%) SailPoint
3 1 (2.70%) Swagger
Miscellaneous
1 4 (10.81%) Replication
2 3 (8.11%) Clustering
2 3 (8.11%) Credit Risk
2 3 (8.11%) Greenfield Project
2 3 (8.11%) Hybrid Cloud
2 3 (8.11%) Reinsurance
3 2 (5.41%) Cloud Native
3 2 (5.41%) CMDB
3 2 (5.41%) Data Centre
3 2 (5.41%) Data Structures
3 2 (5.41%) Distributed Systems
3 2 (5.41%) Linux Command Line
3 2 (5.41%) Private Cloud
3 2 (5.41%) Product Ownership
3 2 (5.41%) Public Cloud
4 1 (2.70%) Digital Signage
4 1 (2.70%) Enterprise Software
4 1 (2.70%) Foreign Exchange (FX)
4 1 (2.70%) Management Information System
4 1 (2.70%) Virtual Team
Operating Systems
1 8 (21.62%) Linux
2 6 (16.22%) Unix
3 4 (10.81%) Windows
4 3 (8.11%) Windows Server
5 2 (5.41%) Red Hat Enterprise Linux
5 2 (5.41%) Solaris
Processes & Methodologies
1 16 (43.24%) CI/CD
2 14 (37.84%) DevOps
3 12 (32.43%) Problem-Solving
4 11 (29.73%) Agile
5 8 (21.62%) Cloud Security
5 8 (21.62%) Configuration Management
5 8 (21.62%) Continuous Integration
6 7 (18.92%) Disaster Recovery
7 6 (16.22%) Infrastructure as Code
8 5 (13.51%) Actionable Insight
8 5 (13.51%) Containerisation
8 5 (13.51%) Low Latency
8 5 (13.51%) Performance Tuning
8 5 (13.51%) Task Automation
8 5 (13.51%) Zero Trust
9 4 (10.81%) Change Management
9 4 (10.81%) Code Quality
9 4 (10.81%) Continuous Delivery
9 4 (10.81%) Cost Management
9 4 (10.81%) Data Integration
Programming Languages
1 17 (45.95%) Python
2 11 (29.73%) SQL
3 6 (16.22%) Java
3 6 (16.22%) PowerShell
3 6 (16.22%) Shell Script
4 3 (8.11%) Bicep
4 3 (8.11%) TypeScript
5 2 (5.41%) Bash
5 2 (5.41%) Groovy
5 2 (5.41%) Perl
6 1 (2.70%) C#
6 1 (2.70%) Go
6 1 (2.70%) JavaScript
6 1 (2.70%) PL/SQL
6 1 (2.70%) Ruby
6 1 (2.70%) Scala
6 1 (2.70%) T-SQL
Qualifications
1 6 (16.22%) Security Cleared
2 3 (8.11%) Degree
2 3 (8.11%) SC Cleared
3 2 (5.41%) AWS Certification
3 2 (5.41%) AWS Certified Solutions Architect
3 2 (5.41%) CCNP
3 2 (5.41%) Cisco Certification
4 1 (2.70%) AWS Certified Developer
4 1 (2.70%) AWS Certified DevOps Engineer
4 1 (2.70%) AWS Certified SysOps Administrator
4 1 (2.70%) CCNA
4 1 (2.70%) CCSA
4 1 (2.70%) Computer Science Degree
4 1 (2.70%) DV Cleared
4 1 (2.70%) JNCIP
Quality Assurance & Compliance
1 3 (8.11%) GDPR
2 2 (5.41%) Actionable Recommendations
2 2 (5.41%) Data Quality
2 2 (5.41%) ISO/IEC 27001
2 2 (5.41%) NIST
2 2 (5.41%) SOC 2
3 1 (2.70%) Sarbanes-Oxley
System Software
1 5 (13.51%) Docker
2 4 (10.81%) Active Directory
3 2 (5.41%) Virtual Machines
3 2 (5.41%) VMware ESXi
3 2 (5.41%) VMware Infrastructure
4 1 (2.70%) Firmware
4 1 (2.70%) NFS
4 1 (2.70%) Oracle RAC
4 1 (2.70%) Veritas File System
4 1 (2.70%) Veritas Volume Manager
Systems Management
1 16 (43.24%) Ansible
2 13 (35.14%) Terraform
3 5 (13.51%) Kubernetes
4 3 (8.11%) Oracle Enterprise Manager
5 2 (5.41%) Control-M
5 2 (5.41%) Progress Chef
5 2 (5.41%) Puppet
5 2 (5.41%) QRadar
5 2 (5.41%) Tivoli
6 1 (2.70%) Cisco CUCM
6 1 (2.70%) Cisco UCCE
6 1 (2.70%) Data Guard
6 1 (2.70%) EMC NetWorker
6 1 (2.70%) Enterprise Manager Cloud Control
6 1 (2.70%) Grafana
6 1 (2.70%) Microsoft Intune
6 1 (2.70%) Oracle RMAN
6 1 (2.70%) Prometheus
6 1 (2.70%) Red Hat Satellite
6 1 (2.70%) Tivoli Storage Manager
Vendors
1 10 (27.03%) Oracle
2 7 (18.92%) Microsoft
3 4 (10.81%) Red Hat
4 3 (8.11%) Ab Initio
4 3 (8.11%) CheckPoint
4 3 (8.11%) Cisco
5 2 (5.41%) Arista
5 2 (5.41%) BMC
5 2 (5.41%) CyberArk
5 2 (5.41%) Forcepoint
5 2 (5.41%) IBM
5 2 (5.41%) Meraki
5 2 (5.41%) Qualys
5 2 (5.41%) ServiceNow
5 2 (5.41%) Splunk
5 2 (5.41%) VMware
6 1 (2.70%) Confluent
6 1 (2.70%) ForeScout
6 1 (2.70%) Palo Alto
6 1 (2.70%) SaltStack