Period
to 25 May 2018

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Kalman Filter skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kalman Filter over the 6 months to 25 May 2018 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.

Kalman Filtering
UK > England
6 months to
25 May 2018
Same period 2017 Same period 2016
Rank 572 503 533
Rank change year-on-year -69 +30 -33
Contract jobs citing Kalman Filter 287 305 346
As % of all contract IT jobs advertised in England 0.31% 0.37% 0.36%
As % of the Processes & Methodologies category 0.36% 0.43% 0.42%
Number of daily rates quoted 183 196 187
England median daily rate £400 £425 £401
Median daily rate % change year-on-year -5.88% +6.12% +0.13%
10th Percentile £180 £236 £245
90th Percentile £550 £550 £588
UK median daily rate £400 £425 £400
% change year-on-year -5.88% +6.25% -
Number of hourly rates quoted 4 7 15
England median hourly rate £40.38 £19.00 £13.50
Median hourly rate % change year-on-year +112.50% +40.74% -55.00%
10th Percentile £27.05 £13.20 £9.55
90th Percentile £44.63 £44.50 £44.50
UK median hourly rate £40.38 £20.00 £13.50
% change year-on-year +101.88% +48.15% -55.00%

Kalman Filter 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 England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Contract vacancies with a requirement for process or methodology skills 79,687 70,828 81,895
As % of all contract IT jobs advertised in England 85.88% 84.79% 84.15%
Number of daily rates quoted 52,911 46,750 54,547
England median daily rate £463 £450 £425
Median daily rate % change year-on-year +2.78% +5.88% +4.42%
10th Percentile £300 £275 £263
90th Percentile £638 £625 £613
UK median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% +6.25%
Number of hourly rates quoted 2,109 1,871 2,115
England median hourly rate £22.00 £25.50 £23.00
Median hourly rate % change year-on-year -13.73% +10.87% +9.52%
10th Percentile £11.18 £11.60 £11.63
90th Percentile £50.00 £51.50 £50.64
UK median hourly rate £22.00 £25.00 £25.00
% change year-on-year -12.00% - +19.05%

Kalman Filter
Job Vacancy Trend in England

Job postings citing Kalman Filter as a percentage of all IT jobs advertised in England.

Job vacancy trend for Kalman Filter in England

Kalman Filter
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Kalman Filter in England.

Contractor daily rate trend for Kalman Filter in England

Kalman Filter
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Kalman Filter in England over the 6 months to 25 May 2018.

Contractor daily rate histogram for Kalman Filter in England

Kalman Filter
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Kalman Filter in England.

Contractor hourly rate trend for Kalman Filter in England

Kalman Filter
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing Kalman Filter in England over the 6 months to 25 May 2018.

Contractor hourly rate histogram for Kalman Filter in England

Kalman Filter
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kalman Filter within the England region over the 6 months to 25 May 2018. 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
London -53 122 £400 -11.11% 33
South East -46 82 £450 +5.88% 20
North of England -4 34 £425 +32.81% 23
East of England +10 19 £350 -20.45% 11
Yorkshire -1 18 £433 -13.50% 11
Midlands -20 16 £414 -8.11% 6
North West -16 15 £375 +18.58% 7
South West +9 14 £431 +71.64% 8
East Midlands +1 8 £425 -9.33% 2
West Midlands -38 8 £344 +5.92% 4
North East +7 1 £400 - 5
Kalman Filter
UK

For the 6 months to 25 May 2018, IT contractor jobs citing Kalman Filter 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 England region with a requirement for Kalman Filter.

1 86 (29.97%) Firewall
2 72 (25.09%) Cisco
3 58 (20.21%) Finance
4 56 (19.51%) Windows
5 55 (19.16%) Microsoft
6 54 (18.82%) Web Filtering
7 51 (17.77%) Active Directory
8 49 (17.07%) Agile Software Development
9 45 (15.68%) Java
9 45 (15.68%) Degree
10 43 (14.98%) DNS
11 40 (13.94%) VPN
12 38 (13.24%) Office 365
13 37 (12.89%) SQL
13 37 (12.89%) Linux
14 34 (11.85%) WAN
14 34 (11.85%) Intrusion Detection
14 34 (11.85%) Jenkins
14 34 (11.85%) Problem-Solving
15 33 (11.50%) Microservices
15 33 (11.50%) Git (software)
16 32 (11.15%) Microsoft Azure
16 32 (11.15%) DHCP
17 31 (10.80%) Windows Server
18 30 (10.45%) Email Filtering
18 30 (10.45%) VMware
18 30 (10.45%) Cisco ASA
18 30 (10.45%) Network Security
19 29 (10.10%) LAN
19 29 (10.10%) Oracle

Kalman Filter
Co-occurring IT Skills in England 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 24 (8.36%) Apache Spark
2 22 (7.67%) SharePoint
3 21 (7.32%) Skype for Business
4 19 (6.62%) MS Exchange
5 13 (4.53%) WebLogic
6 9 (3.14%) IIS
7 8 (2.79%) Exchange Server 2010
7 8 (2.79%) Exchange Server 2013
8 6 (2.09%) Confluence
8 6 (2.09%) JBoss
8 6 (2.09%) Tomcat
9 5 (1.74%) Apache
9 5 (1.74%) MQSeries
10 4 (1.39%) Elasticsearch
10 4 (1.39%) WebLogic Portal
10 4 (1.39%) WildFly
11 3 (1.05%) CMS
11 3 (1.05%) Exchange Server 2003
12 2 (0.70%) Adobe Experience Manager
13 1 (0.35%) Facebook Platform
Applications
1 24 (8.36%) Microsoft Excel
2 18 (6.27%) Microsoft Office
3 5 (1.74%) Microsoft PowerPoint
3 5 (1.74%) Spreadsheet
4 2 (0.70%) Microsoft Project
4 2 (0.70%) Simulink
4 2 (0.70%) Stata
5 1 (0.35%) CATIA
5 1 (0.35%) GNU Octave
5 1 (0.35%) MS Visio
5 1 (0.35%) SPSS
Business Applications
1 3 (1.05%) Salesforce.com CRM
2 1 (0.35%) ENOVIA
2 1 (0.35%) OPENHousing
2 1 (0.35%) Oracle Cash Management
2 1 (0.35%) Oracle ERP
2 1 (0.35%) Primavera
2 1 (0.35%) SAP IS-U
2 1 (0.35%) Workday HCM
Cloud Services
1 38 (13.24%) Office 365
2 32 (11.15%) Microsoft Azure
3 11 (3.83%) Amazon AWS
4 10 (3.48%) Google Analytics
4 10 (3.48%) OneDrive
5 6 (2.09%) Azure Active Directory
6 5 (1.74%) Datadog
7 4 (1.39%) Cloudflare
7 4 (1.39%) IaaS
7 4 (1.39%) SaaS
8 3 (1.05%) Salesforce Service Cloud
9 2 (0.70%) PaaS
9 2 (0.70%) Slack
10 1 (0.35%) Cloud Computing
10 1 (0.35%) FinancialForce
10 1 (0.35%) Salesforce Sales Cloud
10 1 (0.35%) Yammer
Communications & Networking
1 86 (29.97%) Firewall
2 43 (14.98%) DNS
3 40 (13.94%) VPN
4 34 (11.85%) Intrusion Detection
4 34 (11.85%) WAN
5 32 (11.15%) DHCP
6 30 (10.45%) Cisco ASA
6 30 (10.45%) Network Security
7 29 (10.10%) LAN
8 25 (8.71%) TCP/IP
9 21 (7.32%) Kerberos
10 20 (6.97%) Skype
11 17 (5.92%) VoIP
12 16 (5.57%) SSL
13 15 (5.23%) Internet
13 15 (5.23%) SMTP
14 13 (4.53%) BGP
14 13 (4.53%) Cisco ISE
15 12 (4.18%) Cisco Nexus
15 12 (4.18%) IPsec
Database & Business Intelligence
1 25 (8.71%) Big Data
2 17 (5.92%) SQL Server
3 7 (2.44%) Oracle Database
4 5 (1.74%) MySQL
4 5 (1.74%) Power BI
5 4 (1.39%) BusinessObjects
5 4 (1.39%) Hadoop
5 4 (1.39%) Oracle Database 11g
6 3 (1.05%) Data Mining
6 3 (1.05%) MS Access
6 3 (1.05%) Oracle Reports
7 2 (0.70%) Apache Cassandra
7 2 (0.70%) Oracle BI EE
7 2 (0.70%) Oracle Exadata
7 2 (0.70%) Spotfire
8 1 (0.35%) Apache Hive
8 1 (0.35%) Oracle BI Publisher
8 1 (0.35%) Oracle Database 12c
8 1 (0.35%) SAP HANA
8 1 (0.35%) SQL Server 2012
Development Applications
1 34 (11.85%) Jenkins
2 33 (11.50%) Git (software)
3 12 (4.18%) Bitbucket
4 8 (2.79%) JIRA
5 4 (1.39%) Ant
5 4 (1.39%) Subversion
6 2 (0.70%) JUnit
6 2 (0.70%) Maven
6 2 (0.70%) Mockito
6 2 (0.70%) Visual Studio
7 1 (0.35%) Eclipse
7 1 (0.35%) GDB
General
1 58 (20.21%) Finance
2 17 (5.92%) Telecoms
3 15 (5.23%) Marketing
4 11 (3.83%) Banking
5 10 (3.48%) Retail
6 6 (2.09%) Investment Banking
7 5 (1.74%) Electronics
8 4 (1.39%) Legal
8 4 (1.39%) Publishing
9 2 (0.70%) Aerospace
9 2 (0.70%) Financial Institution
9 2 (0.70%) Local Government
9 2 (0.70%) Manufacturing
10 1 (0.35%) Automotive
10 1 (0.35%) Billing
10 1 (0.35%) Front Office
10 1 (0.35%) Games
Job Titles
1 53 (18.47%) Developer
2 48 (16.72%) Analyst
3 40 (13.94%) Security Engineer
4 34 (11.85%) Network Engineer
5 31 (10.80%) Java Developer
6 23 (8.01%) Architect
6 23 (8.01%) Network Security Engineer
7 22 (7.67%) Apache Spark Developer
8 16 (5.57%) Administrator
8 16 (5.57%) Business Analyst
9 13 (4.53%) Consultant
10 11 (3.83%) Support Engineer
11 10 (3.48%) Cisco Engineer
11 10 (3.48%) Security Manager
11 10 (3.48%) Solutions Architect
12 9 (3.14%) Cisco Network Engineer
12 9 (3.14%) Firewall Engineer
12 9 (3.14%) SIEM Engineer
12 9 (3.14%) Support Analyst
13 8 (2.79%) DBA
Libraries, Frameworks & Software Standards
1 28 (9.76%) RESTful
2 27 (9.41%) Web Services
3 25 (8.71%) Spring
4 23 (8.01%) Kafka
5 22 (7.67%) Spring Boot
6 21 (7.32%) RabbitMQ
6 21 (7.32%) Spark Streaming
6 21 (7.32%) Spring Integration
7 17 (5.92%) JSP
8 11 (3.83%) J2EE
9 5 (1.74%) CSS
9 5 (1.74%) Elastic Stack
9 5 (1.74%) Grok
9 5 (1.74%) HTML
9 5 (1.74%) Middleware
10 4 (1.39%) Apache Flex
10 4 (1.39%) EJB
10 4 (1.39%) JSON
10 4 (1.39%) Spring Security
11 3 (1.05%) HTML5
Miscellaneous
1 26 (9.06%) Analytical Skills
2 22 (7.67%) Greenfield Project
3 20 (6.97%) Management Information System
4 15 (5.23%) Computer Science
4 15 (5.23%) Data Centre
4 15 (5.23%) Replication
5 11 (3.83%) PKI
6 10 (3.48%) Blackberry
6 10 (3.48%) User Experience
7 9 (3.14%) SWIFT
8 6 (2.09%) Video Conferencing
9 5 (1.74%) Algorithms
9 5 (1.74%) Fedwire
10 3 (1.05%) Data Structures
10 3 (1.05%) Mobile App
10 3 (1.05%) Self-Motivation
11 2 (0.70%) Cyberthreat
11 2 (0.70%) Distributed Denial-of-Service
11 2 (0.70%) Embedded Systems
11 2 (0.70%) Linux Command Line
Operating Systems
1 56 (19.51%) Windows
2 37 (12.89%) Linux
3 31 (10.80%) Windows Server
4 18 (6.27%) Windows 10
5 15 (5.23%) Windows Server 2008
6 13 (4.53%) Unix
7 12 (4.18%) Windows 7
8 10 (3.48%) Android
9 9 (3.14%) Windows Server 2012
10 8 (2.79%) Apple iOS
10 8 (2.79%) CentOS
10 8 (2.79%) Windows 8
11 6 (2.09%) Solaris
12 5 (1.74%) AIX
12 5 (1.74%) Windows Vista
13 4 (1.39%) Mac OS
13 4 (1.39%) SUSE
14 2 (0.70%) Windows Phone
14 2 (0.70%) Windows Server 2003
14 2 (0.70%) Windows XP
Processes & Methodologies
1 54 (18.82%) Web Filtering
2 49 (17.07%) Agile Software Development
3 34 (11.85%) Problem-Solving
4 33 (11.50%) Microservices
5 30 (10.45%) Email Filtering
6 29 (10.10%) SIEM
7 27 (9.41%) Decision-Making
8 24 (8.36%) ITIL
9 23 (8.01%) Continuous Integration
10 22 (7.67%) Vulnerability Management
11 21 (7.32%) Cybersecurity
12 20 (6.97%) Information Security
13 19 (6.62%) Security Operations
14 17 (5.92%) Analytics
15 15 (5.23%) Migration
15 15 (5.23%) Service Management
16 14 (4.88%) Change Management
16 14 (4.88%) Patch Management
16 14 (4.88%) Time Management
17 13 (4.53%) Data Loss Prevention
Programming Languages
1 45 (15.68%) Java
2 37 (12.89%) SQL
3 21 (7.32%) PowerShell
4 11 (3.83%) PL/SQL
4 11 (3.83%) Python
5 9 (3.14%) VBA
6 7 (2.44%) Bash Shell
7 5 (1.74%) Groovy
7 5 (1.74%) MATLAB
7 5 (1.74%) PHP
7 5 (1.74%) Shell Script
8 4 (1.39%) C
9 3 (1.05%) C++
9 3 (1.05%) JavaScript
9 3 (1.05%) R
10 2 (0.70%) Embedded C++
10 2 (0.70%) Scala
11 1 (0.35%) ActionScript 2.0
11 1 (0.35%) Fortran
11 1 (0.35%) T-SQL
Qualifications
1 45 (15.68%) Degree
2 24 (8.36%) Security Cleared
3 21 (7.32%) Cisco Certification
4 18 (6.27%) SC Cleared
5 16 (5.57%) Microsoft Certification
6 12 (4.18%) CISSP
7 11 (3.83%) CCNP
8 9 (3.14%) CISM
8 9 (3.14%) MCSE
9 8 (2.79%) CEH
10 6 (2.09%) DV Cleared
11 5 (1.74%) CCIE
11 5 (1.74%) CCNA
11 5 (1.74%) CCSA
11 5 (1.74%) CISA
11 5 (1.74%) Computer Science Degree
12 3 (1.05%) CCSP
12 3 (1.05%) ITIL Certification
12 3 (1.05%) Master's Degree
13 2 (0.70%) PMP
Quality Assurance & Compliance
1 16 (5.57%) ISO/IEC 27001
2 12 (4.18%) PCI DSS
3 7 (2.44%) GDPR
4 5 (1.74%) PMO
4 5 (1.74%) RMADS
4 5 (1.74%) SEPA
5 4 (1.39%) QA
5 4 (1.39%) SLA
6 2 (0.70%) Cyber Essentials
6 2 (0.70%) Cyber Essentials PLUS
6 2 (0.70%) HIPAA
6 2 (0.70%) Sarbanes-Oxley
7 1 (0.35%) Data Quality
7 1 (0.35%) FATCA
7 1 (0.35%) FedRAMP
7 1 (0.35%) GPG13
7 1 (0.35%) ISO 20022
7 1 (0.35%) ISO 22301
7 1 (0.35%) PSD2
7 1 (0.35%) TARGET2
System Software
1 51 (17.77%) Active Directory
2 27 (9.41%) VMware Infrastructure
3 21 (7.32%) Apache ZooKeeper
4 12 (4.18%) Hyper-V
5 7 (2.44%) VirtualBox
6 6 (2.09%) vSphere
6 6 (2.09%) XenApp
7 5 (1.74%) BitLocker
7 5 (1.74%) Docker
7 5 (1.74%) Terminal Services
7 5 (1.74%) VMware ESXi
8 4 (1.39%) UAG
9 3 (1.05%) IAG
9 3 (1.05%) XenServer
10 2 (0.70%) ProxySG
10 2 (0.70%) Virtual Servers
11 1 (0.35%) HDFS
11 1 (0.35%) Terminal Server
11 1 (0.35%) Virtual Machines
11 1 (0.35%) XenDesktop
Systems Management
1 21 (7.32%) Hadoop YARN
2 10 (3.48%) Nagios
3 8 (2.79%) SCOM
4 7 (2.44%) Network Intrusion Detection System
4 7 (2.44%) QRadar
5 6 (2.09%) Nessus
5 6 (2.09%) Single Sign-On
6 5 (1.74%) HP ALM
6 5 (1.74%) Kubernetes
6 5 (1.74%) Puppet
7 4 (1.39%) Forefront Identity Manager
7 4 (1.39%) Graylog
7 4 (1.39%) logstash
7 4 (1.39%) Microsoft Intune
7 4 (1.39%) Observium
7 4 (1.39%) WSUS
8 3 (1.05%) ArcSight ESM
8 3 (1.05%) SCCM
9 2 (0.70%) MIMEsweeper
9 2 (0.70%) Norton AntiVirus
Vendors
1 72 (25.09%) Cisco
2 55 (19.16%) Microsoft
3 30 (10.45%) VMware
4 29 (10.10%) Oracle
5 23 (8.01%) CheckPoint
6 22 (7.67%) Hortonworks
6 22 (7.67%) HP
7 18 (6.27%) Palo Alto
8 12 (4.18%) SolarWinds
9 11 (3.83%) Google
10 10 (3.48%) Citrix
10 10 (3.48%) F5
10 10 (3.48%) NetApp
11 9 (3.14%) Blue Coat
11 9 (3.14%) Juniper
12 7 (2.44%) ArcSight
13 6 (2.09%) AlienVault
13 6 (2.09%) Atlassian
13 6 (2.09%) Salesforce.com
14 5 (1.74%) SAP