High Availability Jobs in the City of London

High Availability
Central London > City of London

The table below provides summary statistics for permanent job vacancies advertised in the City of London requiring High Availability skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited High Availability over the 6 months leading up to 2 April 2025, comparing them to the same period in the previous two years.

6 months to
2 Apr 2025
Same period 2024 Same period 2023
Rank 119 149 200
Rank change year-on-year +30 +51 +41
Permanent jobs citing High Availability 22 32 42
As % of all permanent jobs advertised in the City of London 1.05% 0.97% 0.83%
As % of the Processes & Methodologies category 1.10% 1.04% 0.87%
Number of salaries quoted 17 30 34
10th Percentile £65,000 £56,750 £56,625
25th Percentile £72,500 £66,250 £62,188
Median annual salary (50th Percentile) £77,500 £77,500 £83,750
Median % change year-on-year - -7.46% +1.52%
75th Percentile £118,750 £89,375 £115,000
90th Percentile £130,000 £106,000 £119,250
Central London median annual salary £80,000 £77,500 £68,750
% change year-on-year +3.23% +12.73% -14.06%

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 permanent job vacancies requiring process or methodology skills in the City of London.

Permanent vacancies with a requirement for process or methodology skills 2,008 3,067 4,843
As % of all permanent jobs advertised in the City of London 95.94% 92.49% 95.33%
Number of salaries quoted 1,504 2,479 4,121
10th Percentile £42,500 £41,323 £45,000
25th Percentile £55,000 £55,000 £56,250
Median annual salary (50th Percentile) £75,000 £75,000 £75,000
Median % change year-on-year - - +3.45%
75th Percentile £97,500 £97,500 £97,500
90th Percentile £120,000 £115,000 £112,500
Central London median annual salary £75,000 £75,000 £75,000
% change year-on-year - - +3.45%

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
Salary Trend in the City of London

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

Salary trend for High Availability in the City of London

High Availability
Salary Histogram in the City of London

Salary distribution for jobs citing High Availability in the City of London over the 6 months to 2 April 2025.

Salary histogram 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 5 (22.73%) Microsoft Exchange
2 2 (9.09%) SharePoint
3 1 (4.55%) Alfresco
3 1 (4.55%) Apache
3 1 (4.55%) Camunda
3 1 (4.55%) Drupal
Applications
1 1 (4.55%) Microsoft Office
Business Applications
1 3 (13.64%) Payment Gateway
Cloud Services
1 11 (50.00%) Azure
2 7 (31.82%) AWS
3 6 (27.27%) Microsoft 365
4 4 (18.18%) Entra ID
5 3 (13.64%) Azure AKS
6 2 (9.09%) GCP
6 2 (9.09%) OpenShift
7 1 (4.55%) Microsoft Copilot
7 1 (4.55%) Power Platform
Communications & Networking
1 6 (27.27%) VPN
2 4 (18.18%) Wireless
3 3 (13.64%) DHCP
3 3 (13.64%) DNS
3 3 (13.64%) LAN
3 3 (13.64%) TCP/IP
3 3 (13.64%) WAN
4 2 (9.09%) BGP
4 2 (9.09%) Cisco ASA
4 2 (9.09%) Cisco IOS
4 2 (9.09%) Cisco ISE
4 2 (9.09%) Cisco Nexus
4 2 (9.09%) EIGRP
4 2 (9.09%) FCoE
4 2 (9.09%) Firewall
4 2 (9.09%) Network Security
4 2 (9.09%) NX-OS
4 2 (9.09%) VLAN
5 1 (4.55%) 4G
5 1 (4.55%) Remote Desktop
Database & Business Intelligence
1 1 (4.55%) MongoDB
1 1 (4.55%) MySQL
1 1 (4.55%) SQL Server
Development Applications
1 2 (9.09%) Sonatype Nexus
2 1 (4.55%) Eclipse
General
1 10 (45.45%) Finance
2 8 (36.36%) Social Skills
3 1 (4.55%) Financial Institution
3 1 (4.55%) Inclusion and Diversity
Job Titles
1 9 (40.91%) Infrastructure Engineer
2 4 (18.18%) Senior
3 3 (13.64%) Cloud Engineer
3 3 (13.64%) Developer
4 2 (9.09%) Azure Engineer
4 2 (9.09%) Cisco Engineer
4 2 (9.09%) Infrastructure Operations Engineer
4 2 (9.09%) IT Engineer
4 2 (9.09%) IT Infrastructure Engineer
4 2 (9.09%) Java Developer
4 2 (9.09%) Java Engineer
4 2 (9.09%) Lead
4 2 (9.09%) Lead Infrastructure Engineer
4 2 (9.09%) Network Engineer
4 2 (9.09%) Operations Engineer
4 2 (9.09%) Senior Cisco Engineer
4 2 (9.09%) Senior Infrastructure Engineer
4 2 (9.09%) Virtualisation Engineer
5 1 (4.55%) Microsoft Engineer
5 1 (4.55%) SC Cleared Java Developer
Libraries, Frameworks & Software Standards
1 4 (18.18%) Spring
1 4 (18.18%) Spring Boot
2 2 (9.09%) REST
2 2 (9.09%) YAML
3 1 (4.55%) AngularJS
3 1 (4.55%) Apache NiFi
3 1 (4.55%) CSS
3 1 (4.55%) Hibernate
3 1 (4.55%) HTML
3 1 (4.55%) JPA
3 1 (4.55%) JSON
3 1 (4.55%) LDAP
3 1 (4.55%) React
Miscellaneous
1 3 (13.64%) Management Information System
1 3 (13.64%) Onboarding
1 3 (13.64%) Security Posture
2 2 (9.09%) Cyber Threat
2 2 (9.09%) Data Centre
2 2 (9.09%) Self-Motivation
3 1 (4.55%) Cloud Native
3 1 (4.55%) Clustering
3 1 (4.55%) Security Operations Centre
Operating Systems
1 8 (36.36%) Windows
2 7 (31.82%) Windows Server
3 5 (22.73%) Linux
3 5 (22.73%) Windows Server 2019
4 3 (13.64%) Windows Server 2016
5 1 (4.55%) Solaris
5 1 (4.55%) Unix
Processes & Methodologies
1 10 (45.45%) Infrastructure Engineering
2 8 (36.36%) Infrastructure Management
3 6 (27.27%) Containerisation
3 6 (27.27%) DevOps
3 6 (27.27%) Infrastructure Automation
3 6 (27.27%) ITIL
4 5 (22.73%) Disaster Recovery
4 5 (22.73%) Incident Management
4 5 (22.73%) Mentoring
4 5 (22.73%) Problem-Solving
5 4 (18.18%) Continuous Improvement
5 4 (18.18%) Identity Management
5 4 (18.18%) Infrastructure as Code
6 3 (13.64%) Change Management
6 3 (13.64%) CI/CD
6 3 (13.64%) Code Quality
6 3 (13.64%) ITSM
6 3 (13.64%) Project Management
6 3 (13.64%) Roadmaps
6 3 (13.64%) Storage Management
Programming Languages
1 7 (31.82%) Python
2 6 (27.27%) PowerShell
3 4 (18.18%) Java
4 2 (9.09%) Perl
4 2 (9.09%) SQL
5 1 (4.55%) Bash
5 1 (4.55%) JavaScript
5 1 (4.55%) PHP
Qualifications
1 4 (18.18%) Azure Certification
2 3 (13.64%) Cisco Certification
2 3 (13.64%) Microsoft Certification
3 2 (9.09%) CCIE
3 2 (9.09%) CCIE Data Center
3 2 (9.09%) Computer Science Degree
3 2 (9.09%) Degree
3 2 (9.09%) RHCA
3 2 (9.09%) VCDX
4 1 (4.55%) CCNA
4 1 (4.55%) SC Cleared
4 1 (4.55%) Security Cleared
System Software
1 7 (31.82%) Active Directory
2 4 (18.18%) VMware Infrastructure
3 2 (9.09%) Docker
3 2 (9.09%) vSphere
4 1 (4.55%) Apache ZooKeeper
4 1 (4.55%) Hyper-V
4 1 (4.55%) Virtual Desktop
4 1 (4.55%) VMware ESXi
Systems Management
1 10 (45.45%) Kubernetes
1 10 (45.45%) Terraform
2 8 (36.36%) Ansible
3 5 (22.73%) Microsoft Intune
4 3 (13.64%) NetBackup
5 2 (9.09%) SCCM
5 2 (9.09%) SCOM
6 1 (4.55%) FortiGate
6 1 (4.55%) Istio
6 1 (4.55%) vCenter Server
Vendors
1 9 (40.91%) VMware
2 6 (27.27%) Microsoft
3 4 (18.18%) Cisco
4 3 (13.64%) EMC
4 3 (13.64%) NetApp
4 3 (13.64%) Red Hat
5 2 (9.09%) Google
5 2 (9.09%) SolarWinds
5 2 (9.09%) Veeam
6 1 (4.55%) Cognos
6 1 (4.55%) Sun
6 1 (4.55%) Veritas