Period
to 29 July 2021

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for High Availability skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited High Availability over the 6 months to 29 July 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

High Availability
England > London
6 months to
29 Jul 2021
Same period 2020 Same period 2019
Rank 200 177 284
Rank change year-on-year -23 +107 -17
Contract jobs citing High Availability 434 242 370
As % of all contract jobs advertised in London 1.44% 1.52% 0.92%
As % of the Processes & Methodologies category 1.59% 1.70% 1.02%
Number of daily rates quoted 298 165 255
10th Percentile £413 £363 £413
25th Percentile £500 £431 £450
Median daily rate (50th Percentile) £600 £500 £525
Median % change year-on-year +20.00% -4.76% -
75th Percentile £674 £600 £606
90th Percentile £705 £704 £687
England median daily rate £545 £498 £475
% change year-on-year +9.55% +4.74% -2.56%
Number of hourly rates quoted 2 2 3
10th Percentile £54.13 £45.96 £40.70
25th Percentile £56.56 £46.27 £42.88
Median hourly rate £63.75 £47.17 £47.00
Median % change year-on-year +35.16% +0.35% +7.02%
75th Percentile £71.56 £47.69 £49.75
90th Percentile £74.38 £47.77 £51.10
England median hourly rate £38.37 £47.83 £15.45
% change year-on-year -19.78% +209.68% -63.46%

High Availability is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 27,354 14,250 36,099
As % of all contract IT jobs advertised in London 90.99% 89.78% 89.46%
Number of daily rates quoted 19,548 10,235 26,228
10th Percentile £363 £325 £338
25th Percentile £450 £425 £419
Median daily rate (50th Percentile) £540 £525 £520
Median % change year-on-year +2.86% +0.96% +4.00%
75th Percentile £638 £625 £600
90th Percentile £725 £713 £688
England median daily rate £500 £488 £475
% change year-on-year +2.56% +2.63% +2.70%
Number of hourly rates quoted 277 171 389
10th Percentile £15.73 £14.00 £12.03
25th Percentile £20.99 £20.42 £15.25
Median hourly rate £34.00 £35.50 £22.00
Median % change year-on-year -4.23% +61.36% -
75th Percentile £51.50 £47.75 £40.00
90th Percentile £66.50 £61.00 £53.00
England median hourly rate £23.00 £24.80 £22.97
% change year-on-year -7.26% +7.99% +12.02%

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 29 July 2021.

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
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing High Availability in London over the 6 months to 29 July 2021.

Hourly rate histogram 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 29 July 2021. 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
Job
Vacancies
Central London -16 52 £575 +21.05% 31
West London +24 26 £648 +23.33% 12
South London +9 4 £663 +47.22% 1
East London +4 2 - - 2
High Availability
England

For the 6 months to 29 July 2021, IT contractor jobs citing High Availability also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for High Availability.

1 165 (38.02%) Agile Software Development
2 157 (36.18%) Linux
3 131 (30.18%) Java
4 127 (29.26%) Low Latency
5 115 (26.50%) Python
6 114 (26.27%) AWS
7 111 (25.58%) Finance
8 105 (24.19%) Continuous Integration
9 104 (23.96%) DevOps
10 99 (22.81%) SQL
11 98 (22.58%) Microservices
12 87 (20.05%) Banking
13 86 (19.82%) Azure
13 86 (19.82%) Jenkins
14 80 (18.43%) Spring
15 77 (17.74%) Windows
16 70 (16.13%) Social Skills
17 68 (15.67%) Scrum
18 66 (15.21%) JavaScript
19 65 (14.98%) Electronic Trading
20 64 (14.75%) Kubernetes
21 63 (14.52%) REST
21 63 (14.52%) HTML
22 60 (13.82%) Oracle
23 59 (13.59%) Disaster Recovery
24 58 (13.36%) TDD
25 57 (13.13%) Docker
26 56 (12.90%) Problem-Solving
26 56 (12.90%) Unix
27 55 (12.67%) Capacity Management

High Availability
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 29 (6.68%) Apache
2 15 (3.46%) SharePoint
3 13 (3.00%) Confluence
4 10 (2.30%) Tomcat
5 8 (1.84%) Red Hat Fuse
5 8 (1.84%) WebLogic
6 5 (1.15%) Anypoint
6 5 (1.15%) CICS
6 5 (1.15%) IIS
6 5 (1.15%) Mule
6 5 (1.15%) Mule ESB
6 5 (1.15%) OpenStack
7 4 (0.92%) Elasticsearch
7 4 (0.92%) MQSeries
7 4 (0.92%) MTS
7 4 (0.92%) Oracle Coherence
7 4 (0.92%) WebSphere
8 3 (0.69%) BizTalk Server
8 3 (0.69%) CMS
9 2 (0.46%) MS Exchange
Applications
1 8 (1.84%) Microsoft Office
2 2 (0.46%) GIMP
2 2 (0.46%) Photoshop
3 1 (0.23%) Microsoft Excel
3 1 (0.23%) MS Visio
Business Applications
1 22 (5.07%) ION MarketView
2 1 (0.23%) Payment Gateway
Cloud Services
1 114 (26.27%) AWS
2 86 (19.82%) Azure
3 45 (10.37%) GCP
4 32 (7.37%) GitHub
5 30 (6.91%) PaaS
6 25 (5.76%) IaaS
7 24 (5.53%) SaaS
8 17 (3.92%) Amazon ECS
8 17 (3.92%) AWS CloudFormation
8 17 (3.92%) Cloud Computing
9 16 (3.69%) Serverless
10 11 (2.53%) Azure Active Directory
11 10 (2.30%) AWS Lambda
12 7 (1.61%) Microsoft 365
13 6 (1.38%) Power Platform
13 6 (1.38%) Route 53
14 5 (1.15%) Amazon EKS
14 5 (1.15%) Amazon ElastiCache
14 5 (1.15%) Amazon Kinesis
14 5 (1.15%) Azure Cosmos DB
Communications & Networking
1 51 (11.75%) Firewall
2 42 (9.68%) Multicast
3 29 (6.68%) DNS
4 22 (5.07%) TCP/IP
5 15 (3.46%) SSL
6 12 (2.76%) DHCP
7 11 (2.53%) Kerberos
8 9 (2.07%) HTTP
8 9 (2.07%) SAN
8 9 (2.07%) Wireshark
9 8 (1.84%) tcpdump
10 5 (1.15%) Fibre Channel
10 5 (1.15%) FTP
10 5 (1.15%) SMTP
11 4 (0.92%) NAS
11 4 (0.92%) Network Security
11 4 (0.92%) PuTTY
11 4 (0.92%) Telnet
11 4 (0.92%) VPN
11 4 (0.92%) WinSCP
Database & Business Intelligence
1 41 (9.45%) NoSQL
2 35 (8.06%) SQL Server
3 31 (7.14%) Relational Database
4 27 (6.22%) MongoDB
5 20 (4.61%) Redis
6 19 (4.38%) PostgreSQL
7 13 (3.00%) Apache Cassandra
7 13 (3.00%) MySQL
8 12 (2.76%) Data Warehouse
8 12 (2.76%) RDBMS
9 11 (2.53%) Amazon DynamoDB
9 11 (2.53%) Big Data
10 10 (2.30%) Hazelcast
11 9 (2.07%) Oracle Database
12 6 (1.38%) Amazon RDS
12 6 (1.38%) Data Lake
12 6 (1.38%) Oracle Reports
12 6 (1.38%) Power BI
13 5 (1.15%) Azure SQL Database
13 5 (1.15%) OLTP
Development Applications
1 86 (19.82%) Jenkins
2 52 (11.98%) Git (software)
3 36 (8.29%) Maven
4 25 (5.76%) Gatling
5 22 (5.07%) JIRA
6 17 (3.92%) Subversion
7 16 (3.69%) GitLab
8 15 (3.46%) TeamCity
9 13 (3.00%) Mockito
10 12 (2.76%) Gradle
11 8 (1.84%) GCC
11 8 (1.84%) GDB
12 7 (1.61%) Sonatype Nexus
13 5 (1.15%) Cucumber
13 5 (1.15%) Hudson
13 5 (1.15%) Octopus Deploy
13 5 (1.15%) Toad
14 3 (0.69%) CircleCI
14 3 (0.69%) Selenium
14 3 (0.69%) Serena SBM
General
1 111 (25.58%) Finance
2 87 (20.05%) Banking
3 70 (16.13%) Social Skills
4 45 (10.37%) Front Office
5 28 (6.45%) Investment Banking
6 16 (3.69%) Marketing
7 14 (3.23%) Analytical Skills
8 9 (2.07%) Public Sector
9 7 (1.61%) Prime Brokerage
10 6 (1.38%) Law
11 5 (1.15%) Telecoms
12 3 (0.69%) International Banking
12 3 (0.69%) Legal
12 3 (0.69%) Retail
13 2 (0.46%) Back Office
13 2 (0.46%) Billing
13 2 (0.46%) Financial Institution
13 2 (0.46%) Games
13 2 (0.46%) Presentation Skills
14 1 (0.23%) Documentation Skills
Job Titles
1 139 (32.03%) Developer
2 64 (14.75%) Architect
3 59 (13.59%) Java Developer
4 31 (7.14%) Applications Support
4 31 (7.14%) Senior Developer
5 28 (6.45%) Solutions Architect
6 25 (5.76%) Scala Developer
7 24 (5.53%) DevOps Engineer
8 23 (5.30%) Linux Support
9 21 (4.84%) Senior Java Developer
10 20 (4.61%) Administrator
11 19 (4.38%) Electronic Trading Support
12 17 (3.92%) Analyst
12 17 (3.92%) Firewall Support
12 17 (3.92%) Infrastructure Support
12 17 (3.92%) Linux Scripter
13 16 (3.69%) AWS Developer
13 16 (3.69%) DBA
14 15 (3.46%) Infrastructure Engineer
15 14 (3.23%) Java Engineer
Libraries, Frameworks & Software Standards
1 80 (18.43%) Spring
2 63 (14.52%) HTML
2 63 (14.52%) REST
3 51 (11.75%) Web Services
4 47 (10.83%) RESTful
5 45 (10.37%) Spring Boot
6 43 (9.91%) HTML5
7 39 (8.99%) React
8 37 (8.53%) CSS
9 29 (6.68%) JMS
9 29 (6.68%) Kafka
10 27 (6.22%) AngularJS
11 26 (5.99%) Hibernate
11 26 (5.99%) Middleware
11 26 (5.99%) Rendezvous
12 25 (5.76%) Akka
13 22 (5.07%) FIX Protocol
14 21 (4.84%) LDAP
14 21 (4.84%) Play Framework
15 20 (4.61%) CSS3
Miscellaneous
1 42 (9.68%) Enterprise Software
2 40 (9.22%) Foreign Exchange (FX)
3 38 (8.76%) Clustering
4 31 (7.14%) Management Information System
5 28 (6.45%) Algorithms
6 24 (5.53%) Data Structures
7 21 (4.84%) Equities
8 18 (4.15%) Public Cloud
9 17 (3.92%) Data Centre
10 16 (3.69%) Replication
11 14 (3.23%) Fixed Income
11 14 (3.23%) Private Cloud
12 12 (2.76%) Legacy Systems
13 8 (1.84%) Derivative
13 8 (1.84%) Equity Derivative
14 6 (1.38%) Cloud Native
14 6 (1.38%) Self-Motivation
14 6 (1.38%) User Experience
15 5 (1.15%) Mainframe
16 4 (0.92%) Eurex
Operating Systems
1 157 (36.18%) Linux
2 77 (17.74%) Windows
3 56 (12.90%) Unix
4 44 (10.14%) Red Hat Enterprise Linux
5 25 (5.76%) Windows Server
6 13 (3.00%) Windows Server 2008
7 11 (2.53%) Solaris
8 9 (2.07%) Windows Server 2016
9 7 (1.61%) Windows Server 2019
10 6 (1.38%) Windows Server 2012
11 5 (1.15%) CentOS
11 5 (1.15%) zOS
12 4 (0.92%) Ubuntu
13 3 (0.69%) Windows 10
13 3 (0.69%) Windows 2000
13 3 (0.69%) Windows Server 2003
14 2 (0.46%) Android
14 2 (0.46%) Apple iOS
15 1 (0.23%) SUSE
15 1 (0.23%) VMS
Processes & Methodologies
1 165 (38.02%) Agile Software Development
2 127 (29.26%) Low Latency
3 105 (24.19%) Continuous Integration
4 104 (23.96%) DevOps
5 98 (22.58%) Microservices
6 68 (15.67%) Scrum
7 65 (14.98%) Electronic Trading
8 59 (13.59%) Disaster Recovery
9 58 (13.36%) TDD
10 56 (12.90%) Problem-Solving
11 55 (12.67%) Capacity Management
12 51 (11.75%) Change Management
13 48 (11.06%) Data Protection
13 48 (11.06%) Test Automation
14 47 (10.83%) Configuration Management
15 44 (10.14%) Open Source
16 43 (9.91%) Project Management
17 42 (9.68%) Full Stack Development
18 41 (9.45%) Performance Tuning
19 40 (9.22%) Pair Programming
Programming Languages
1 131 (30.18%) Java
2 115 (26.50%) Python
3 99 (22.81%) SQL
4 66 (15.21%) JavaScript
5 42 (9.68%) PowerShell
6 30 (6.91%) Scala
7 22 (5.07%) Bash Shell
8 21 (4.84%) C++
9 18 (4.15%) Java 8
10 15 (3.46%) TypeScript
11 13 (3.00%) Shell Script
12 11 (2.53%) Ruby
13 9 (2.07%) C#
14 8 (1.84%) Go
14 8 (1.84%) Perl
14 8 (1.84%) PL/SQL
15 6 (1.38%) PHP
16 4 (0.92%) VBScript
17 3 (0.69%) REXX
17 3 (0.69%) T-SQL
Qualifications
1 15 (3.46%) Security Cleared
2 14 (3.23%) Degree
3 12 (2.76%) SC Cleared
4 7 (1.61%) AWS Certification
4 7 (1.61%) Cisco Certification
4 7 (1.61%) CISSP
4 7 (1.61%) Microsoft Certification
5 6 (1.38%) Computer Science Degree
5 6 (1.38%) MCSE
6 4 (0.92%) CCNA
6 4 (0.92%) ITIL Certification
7 3 (0.69%) CCNP
7 3 (0.69%) CCNP Voice
7 3 (0.69%) TOGAF Certification
8 2 (0.46%) DV Cleared
8 2 (0.46%) Master's Degree
8 2 (0.46%) PRINCE2 Certification
9 1 (0.23%) Check Point Certification
9 1 (0.23%) CISA
9 1 (0.23%) GIAC
Quality Assurance & Compliance
1 37 (8.53%) QA
2 14 (3.23%) Accessibility
3 13 (3.00%) Sarbanes-Oxley
4 9 (2.07%) GDPR
5 5 (1.15%) HIPAA
5 5 (1.15%) SLA
6 4 (0.92%) PCI DSS
7 3 (0.69%) COBIT
7 3 (0.69%) ISO/IEC 20000
8 2 (0.46%) MiFID
9 1 (0.23%) Data Quality
9 1 (0.23%) Dodd-Frank
9 1 (0.23%) HL7
9 1 (0.23%) IFRS
9 1 (0.23%) ISO/IEC 27001
9 1 (0.23%) NIST
System Software
1 57 (13.13%) Docker
2 32 (7.37%) Active Directory
3 30 (6.91%) VMware Infrastructure
4 12 (2.76%) VMware ESXi
5 11 (2.53%) Virtual Machines
6 9 (2.07%) NFS
7 8 (1.84%) Hyper-V
7 8 (1.84%) Virtual Servers
8 7 (1.61%) vSphere
9 5 (1.15%) Oracle RAC
9 5 (1.15%) XenDesktop
10 4 (0.92%) XenApp
11 3 (0.69%) Veritas File System
11 3 (0.69%) Veritas Volume Manager
12 2 (0.46%) Active Directory Lightweight Directory Services
12 2 (0.46%) pfSense
12 2 (0.46%) Samba
13 1 (0.23%) Firmware
13 1 (0.23%) KVM
13 1 (0.23%) Xen
Systems Management
1 64 (14.75%) Kubernetes
2 47 (10.83%) Ansible
3 37 (8.53%) Prometheus
3 37 (8.53%) Terraform
4 36 (8.29%) Grafana
5 32 (7.37%) Puppet
6 16 (3.69%) ITRS Geneos
6 16 (3.69%) Opscode Chef
6 16 (3.69%) Tivoli
7 10 (2.30%) EMC NetWorker
8 9 (2.07%) QRadar
8 9 (2.07%) Tivoli Storage Manager
9 8 (1.84%) Control-M
9 8 (1.84%) SCCM
9 8 (1.84%) vRealize Orchestrator
10 7 (1.61%) SCOM
11 6 (1.38%) Nagios
11 6 (1.38%) Netcool
12 5 (1.15%) CloudHub
12 5 (1.15%) vRealize
Vendors
1 60 (13.82%) Oracle
2 53 (12.21%) Red Hat
3 46 (10.60%) Microsoft
4 39 (8.99%) VMware
5 35 (8.06%) IBM
6 31 (7.14%) Splunk
7 26 (5.99%) TIBCO
8 23 (5.30%) ION Trading
9 22 (5.07%) Citrix
9 22 (5.07%) Google
10 17 (3.92%) Cisco
11 15 (3.46%) BMC
11 15 (3.46%) EMC
12 12 (2.76%) ServiceNow
13 11 (2.53%) HP
14 10 (2.30%) MuleSoft
14 10 (2.30%) Solace
15 9 (2.07%) CyberArk
15 9 (2.07%) F5
15 9 (2.07%) Qualys