Period
to 23 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for High Availability skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited High Availability over the 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

High Availability
East of England > Hertfordshire
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 172 111 108
Rank change year-on-year -61 -3 +6
Permanent jobs citing High Availability 46 110 150
As % of all permanent IT jobs advertised in Hertfordshire 1.04% 2.46% 2.79%
As % of the Processes & Methodologies category 1.23% 2.79% 3.19%
Number of salaries quoted 40 103 131
Hertfordshire median annual salary £62,500 £60,000 £55,000
Median salary % change year-on-year +4.17% +9.09% +10.00%
10th Percentile £49,875 £47,500 £43,750
90th Percentile £78,125 £75,000 £82,000
East of England median annual salary £50,000 £55,000 £50,000
% change year-on-year -9.09% +10.00% -

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

All Process and Methodology Skills
Hertfordshire
Permanent vacancies with a requirement for process or methodology skills 3727 3940 4701
As % of all permanent IT jobs advertised in Hertfordshire 84.63% 88.04% 87.44%
Number of salaries quoted 3135 3249 3831
Hertfordshire median annual salary £47,500 £50,000 £47,500
Median salary % change year-on-year -5.00% +5.26% +3.26%
10th Percentile £28,500 £27,500 £26,750
90th Percentile £71,250 £72,500 £71,250
East of England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +4.65%

High Availability
Job Vacancy Trend in Hertfordshire

Job postings citing High Availability as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for High Availability in Hertfordshire

High Availability
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing High Availability in Hertfordshire.

Salary trend for High Availability in Hertfordshire

High Availability
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing High Availability in Hertfordshire over the 6 months to 23 November 2017.

Salary histogram for High Availability in Hertfordshire

High Availability
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing High Availability within the Hertfordshire region over the 6 months to 23 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
St Albans -9 13 £67,500 +22.73%
Watford -20 8 £55,000 -8.33%
Rickmansworth +5 6 £65,000 -3.70%
Potters Bar +4 4 £70,000 -
Hatfield +1 4 £57,500 -4.17% 2
Hemel Hempstead +1 3 £47,500 +11.76% 1
Knebworth - 1 £50,000 -
Letchworth - 1 £37,500 -
High Availability
East of England

For the 6 months to 23 November 2017, IT jobs citing High Availability also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for High Availability.

1 22 (47.83%) Agile Software Development
2 19 (41.30%) Finance
2 19 (41.30%) Java
3 13 (28.26%) Linux
4 12 (26.09%) VMware
5 11 (23.91%) Middleware
5 11 (23.91%) SQL
5 11 (23.91%) Open Source
5 11 (23.91%) AngularJS
5 11 (23.91%) DevOps
6 10 (21.74%) Analytical Skills
6 10 (21.74%) Apache Cassandra
6 10 (21.74%) NoSQL
6 10 (21.74%) vSphere
6 10 (21.74%) Test Automation
6 10 (21.74%) Oracle
6 10 (21.74%) Python
6 10 (21.74%) Degree
7 9 (19.57%) PostgreSQL
8 8 (17.39%) Wi-Fi
8 8 (17.39%) Service Delivery
8 8 (17.39%) .NET
8 8 (17.39%) C#
8 8 (17.39%) Configuration Management
8 8 (17.39%) Microsoft
8 8 (17.39%) Mathematics
8 8 (17.39%) OpenStack
8 8 (17.39%) Kubernetes
8 8 (17.39%) Data Centre
8 8 (17.39%) Greenfield Project

High Availability
Co-occurring IT Skills in Hertfordshire 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 8 (17.39%) OpenStack
2 6 (13.04%) Cloud Foundry
3 5 (10.87%) Tomcat
4 3 (6.52%) WebLogic
5 2 (4.35%) Apache
5 2 (4.35%) CMS
5 2 (4.35%) Elasticsearch
5 2 (4.35%) Oracle HTTP Server
5 2 (4.35%) Umbraco
6 1 (2.17%) SharePoint
Cloud Services
1 2 (4.35%) Amazon AWS
1 2 (4.35%) Amazon CloudWatch
1 2 (4.35%) Amazon EC2
1 2 (4.35%) Amazon Glacier
1 2 (4.35%) Amazon S3
1 2 (4.35%) Amazon SQS
1 2 (4.35%) AWS CloudFormation
1 2 (4.35%) AWS CloudTrail
1 2 (4.35%) Virtual Private Cloud
2 1 (2.17%) Microsoft Azure
2 1 (2.17%) Office 365
Communications & Networking
1 8 (17.39%) Wi-Fi
2 6 (13.04%) Broadband
2 6 (13.04%) Firewall
3 4 (8.70%) MPLS
3 4 (8.70%) VPN
4 2 (4.35%) HTTP
4 2 (4.35%) IP Telephony
4 2 (4.35%) LAN
4 2 (4.35%) TCP/IP
4 2 (4.35%) Unified Communications
4 2 (4.35%) VLAN
4 2 (4.35%) WAN
Database & Business Intelligence
1 10 (21.74%) Apache Cassandra
1 10 (21.74%) NoSQL
2 9 (19.57%) PostgreSQL
3 7 (15.22%) Redis
3 7 (15.22%) SQL Server
4 4 (8.70%) Oracle Database
5 2 (4.35%) Amazon RDS
5 2 (4.35%) OLTP
5 2 (4.35%) SQL Server 2008
5 2 (4.35%) SQL Server 2016
6 1 (2.17%) Data Warehouse
6 1 (2.17%) MySQL
6 1 (2.17%) OLAP
6 1 (2.17%) Oracle Database 12c
6 1 (2.17%) Oracle OLAP
6 1 (2.17%) Power BI
6 1 (2.17%) SQL Server Analysis Services
6 1 (2.17%) SQL Server Integration Services
6 1 (2.17%) SQL Server Reporting Services
Development Applications
1 6 (13.04%) Jenkins
2 2 (4.35%) Ant
2 2 (4.35%) NUnit
3 1 (2.17%) SQL Server Management Studio (SSMS)
3 1 (2.17%) TeamCity
General
1 19 (41.30%) Finance
2 7 (15.22%) Telecoms
3 6 (13.04%) Banking
4 5 (10.87%) Legal
5 4 (8.70%) Advertising
Job Titles
1 12 (26.09%) Developer
2 11 (23.91%) Senior Developer
3 6 (13.04%) DBA
3 6 (13.04%) DevOps Engineer
3 6 (13.04%) Team Leader
4 5 (10.87%) Infrastructure Manager
4 5 (10.87%) Infrastructure Project Manager
4 5 (10.87%) Java Developer
4 5 (10.87%) Project Manager
4 5 (10.87%) Senior DevOps
4 5 (10.87%) Senior DevOps Engineer
5 4 (8.70%) .NET Developer
5 4 (8.70%) Architect
5 4 (8.70%) Development Team Leader
5 4 (8.70%) Head of Production
5 4 (8.70%) Java Development Team Leader
5 4 (8.70%) Java Software Developer
5 4 (8.70%) Java Team Leader
5 4 (8.70%) Senior .NET Developer
5 4 (8.70%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 11 (23.91%) AngularJS
1 11 (23.91%) Middleware
2 8 (17.39%) .NET
3 7 (15.22%) CSS
3 7 (15.22%) HTML
3 7 (15.22%) Kafka
3 7 (15.22%) RabbitMQ
4 6 (13.04%) Java EE
4 6 (13.04%) Memcached
5 5 (10.87%) Apache Cordova
5 5 (10.87%) Hibernate
5 5 (10.87%) PhoneGap
5 5 (10.87%) Spring
5 5 (10.87%) XML
6 4 (8.70%) Akka
6 4 (8.70%) RESTful
6 4 (8.70%) Web Services
7 3 (6.52%) J2EE
8 2 (4.35%) ASP.NET
8 2 (4.35%) WCF
Miscellaneous
1 10 (21.74%) Analytical Skills
2 8 (17.39%) Data Centre
2 8 (17.39%) Greenfield Project
3 7 (15.22%) Enterprise Software
4 6 (13.04%) Private Cloud
4 6 (13.04%) Replication
5 5 (10.87%) Fintech
6 2 (4.35%) Computer Science
6 2 (4.35%) Fat Client
6 2 (4.35%) Thin Client
7 1 (2.17%) Clustering
7 1 (2.17%) Mobile Payment
7 1 (2.17%) PKI
7 1 (2.17%) Spread Betting
Operating Systems
1 13 (28.26%) Linux
2 6 (13.04%) Unix
3 5 (10.87%) Solaris
4 2 (4.35%) Red Hat Enterprise Linux
5 1 (2.17%) Windows
5 1 (2.17%) Windows 7
5 1 (2.17%) Windows Server 2008
Processes & Methodologies
1 22 (47.83%) Agile Software Development
2 11 (23.91%) DevOps
2 11 (23.91%) Open Source
3 10 (21.74%) Test Automation
4 8 (17.39%) Configuration Management
4 8 (17.39%) Mathematics
4 8 (17.39%) Service Delivery
5 7 (15.22%) Multithreading
5 7 (15.22%) Project Management
6 6 (13.04%) B2B
6 6 (13.04%) Continuous Deployment
6 6 (13.04%) Continuous Integration
6 6 (13.04%) Mentoring
6 6 (13.04%) PRINCE2
7 5 (10.87%) Budgeting and Forecasting
7 5 (10.87%) Line Management
7 5 (10.87%) Matrix Management
7 5 (10.87%) SDLC
7 5 (10.87%) SOA
7 5 (10.87%) Stakeholder Analysis
Programming Languages
1 19 (41.30%) Java
2 11 (23.91%) SQL
3 10 (21.74%) Python
4 8 (17.39%) C#
5 7 (15.22%) JavaScript
5 7 (15.22%) TypeScript
6 6 (13.04%) Ruby
7 4 (8.70%) Scala
8 3 (6.52%) T-SQL
9 2 (4.35%) Jython
9 2 (4.35%) PowerShell
9 2 (4.35%) Shell Script
Qualifications
1 10 (21.74%) Degree
2 5 (10.87%) ISEB
2 5 (10.87%) PRINCE2 Certification
3 4 (8.70%) VMware Certified Professional (VCP)
4 2 (4.35%) Computer Science Degree
4 2 (4.35%) ITIL Certification
System Software
1 10 (21.74%) vSphere
2 6 (13.04%) Docker
2 6 (13.04%) VMware ESXi
2 6 (13.04%) VMware Infrastructure
3 2 (4.35%) Ceph
3 2 (4.35%) Microsoft App-V
3 2 (4.35%) Tivoli Workload Scheduler
4 1 (2.17%) Active Directory
4 1 (2.17%) Hyper-V
Systems Management
1 8 (17.39%) Kubernetes
2 6 (13.04%) Opscode Chef
3 5 (10.87%) Consul
4 3 (6.52%) Tivoli
5 2 (4.35%) Ansible
5 2 (4.35%) Oracle Enterprise Manager
5 2 (4.35%) Puppet
6 1 (2.17%) OpenView
6 1 (2.17%) SCCM
Vendors
1 12 (26.09%) VMware
2 10 (21.74%) Oracle
3 8 (17.39%) Microsoft
4 5 (10.87%) IBM
5 4 (8.70%) Sybase
5 4 (8.70%) Veeam
6 2 (4.35%) CheckPoint
6 2 (4.35%) Cisco
6 2 (4.35%) Citrix
7 1 (2.17%) BMC
7 1 (2.17%) Mitel
7 1 (2.17%) Sun