The following table provides summary statistics for contract job vacancies 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 3 months to 26 June 2017 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
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 477 469 451
Rank change year-on-year -8 -18  
Contract jobs citing Kalman Filter 130 182 192
As % of all contract IT jobs advertised in the UK 0.28% 0.34% 0.34%
As % of the Processes & Methodologies category 0.33% 0.41% 0.43%
Number of daily rates quoted 97 105 131
Median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25%  
90% offered a daily rate of more than £250 £268 £250
10% offered a daily rate of more than £575 £575 £525
UK excluding London median daily rate £425 £380 £325
% change year-on-year +11.84% +16.92%  
Number of hourly rates quoted 4 8 5
Median hourly rate £30.73 £17.75 £15.68
Median hourly rate % change year-on-year +73.12% +13.23%  
90% offered a hourly rate of more than £14.44 £12.26 £11.72
10% offered a hourly rate of more than £44.25 £52.50 £31.00
UK excluding London median hourly rate £18.96 £15.50 £16.59
% change year-on-year +22.32% -6.55%  

Kalman Filter is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for process and methodology skills.

Contract Process & Methodology Skills
UK
Contract job vacancies with a requirement for process and methodology skills 39704 44234 45146
As % of all contract IT job vacancies advertised in the UK 84.45% 83.33% 80.72%
Number of daily rates quoted 25886 29348 28980
Median daily rate £450 £438 £413
Median daily rate % change year-on-year +2.85% +6.06%  
90% offered a daily rate of more than £313 £300 £285
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 1051 1071 1257
Median hourly rate £32.50 £27.50 £27.50
Median hourly rate % change year-on-year +18.18% -  
90% offered a hourly rate of more than £13.00 £12.58 £12.35
10% offered a hourly rate of more than £53.00 £48.65 £50.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Kalman Filter
Job Vacancy Trend

The job posting trend of jobs advertised citing Kalman Filter as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Kalman Filter in the UK

Kalman Filter
Contractor Daily Rate Trend

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

Contractor daily rate trend for Kalman Filter in the UK

Kalman Filter
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Kalman Filter over the 3 months to 26 June 2017.

Contractor daily rate histogram for Kalman Filter in the UK

Kalman Filter
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Kalman Filter in the UK

Kalman Filter
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Kalman Filter over the 3 months to 26 June 2017.

Contractor hourly rate histogram for Kalman Filter in the UK

Kalman Filter
Top 30 Contract Locations

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 UK over the 3 months to 26 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -15 125 £425 - 53
London +4 60 £363 -27.50% 23
South East +39 46 £450 -1.80% 13
Berkshire +33 22 £550 +96.42% 2
Hampshire +6 15 £350 -30.00% 3
Bracknell +20 14 £550 - 2
City of London +4 13 £300 -34.78% 5
North West +1 6 £315 -18.18% 8
West Sussex +23 5 £325 -24.41% 1
Crawley +6 5 £325 -
Wiltshire +8 4 - -
Surrey +5 4 £475 +46.15% 3
South West +4 4 - - 1
Osterley - 4 - -
Scotland +35 3 £375 +3.44% 1
Birmingham +19 3 £363 -3.33%
Winchester +7 3 £425 -12.82%
West Midlands +6 3 £363 +13.28% 3
Liverpool 0 3 £313 -
Merseyside -2 3 £313 -
East Midlands -6 3 £450 - 1
Basingstoke -12 3 - -
East of England -17 3 £425 +25.00% 1
Edinburgh - 3 £375 -
Reading +17 2 £450 -
Luton -8 2 £425 - 1
Bedfordshire -8 2 £425 - 1
Manchester -9 2 £321 -17.09% 4
Cobham - 2 £525 -
Leicestershire - 2 £450 -

For the 6 months to 26 June 2017, IT contractor jobs citing Kalman Filter also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Kalman Filter.

1 99 (32.25%) Firewall
2 69 (22.48%) Cisco
3 65 (21.17%) Windows
4 60 (19.54%) Web Filtering
5 57 (18.57%) Linux
6 54 (17.59%) ITIL
7 44 (14.33%) Information Security
8 43 (14.01%) Microsoft
9 42 (13.68%) DNS
9 42 (13.68%) Finance
10 41 (13.36%) Email Filtering
11 40 (13.03%) Intrusion Detection
12 39 (12.70%) Management Information System
12 39 (12.70%) Wireless
12 39 (12.70%) Cisco Certification
13 38 (12.38%) Splunk
14 37 (12.05%) VPN
14 37 (12.05%) Agile Software Development
15 35 (11.40%) Internet
16 34 (11.07%) Active Directory
16 34 (11.07%) SQL
17 33 (10.75%) CISSP
17 33 (10.75%) Network Security
18 32 (10.42%) SIEM
19 31 (10.10%) WAN
19 31 (10.10%) Python
20 30 (9.77%) Degree
21 26 (8.47%) NetScaler
22 25 (8.14%) Computer Science
22 25 (8.14%) LAN

Kalman Filter
Co-occurring IT Skills 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 14 (4.56%) SharePoint
2 10 (3.26%) MS Exchange
3 7 (2.28%) Confluence
3 7 (2.28%) Exchange Server 2013
3 7 (2.28%) Skype for Business
4 6 (1.95%) Apache Spark
5 4 (1.30%) Exchange Server 2010
6 3 (0.98%) Apache
6 3 (0.98%) SAS
6 3 (0.98%) WebLogic
7 2 (0.65%) Adobe Experience Manager
7 2 (0.65%) Tomcat
8 1 (0.33%) Blackberry Enterprise Server
8 1 (0.33%) CMS
8 1 (0.33%) iPlanet
8 1 (0.33%) MQSeries
8 1 (0.33%) SharePoint 2010
8 1 (0.33%) WebLogic Portal
8 1 (0.33%) WebSphere
Applications
1 24 (7.82%) Microsoft Excel
2 23 (7.49%) Microsoft Office
3 11 (3.58%) Microsoft Project
4 7 (2.28%) Microsoft PowerPoint
5 6 (1.95%) MS Visio
6 4 (1.30%) Spreadsheet
7 1 (0.33%) OrCAD
7 1 (0.33%) Simulink
Business Applications
1 7 (2.28%) Remedy ITSM
2 5 (1.63%) Remedy AR System
3 4 (1.30%) Primavera
4 3 (0.98%) Dynamics CRM
4 3 (0.98%) Oracle Receivables
4 3 (0.98%) SAP Oil and Gas
5 1 (0.33%) Eagle PACE
5 1 (0.33%) Markit EDM
5 1 (0.33%) Oracle ERP
5 1 (0.33%) RMDS
Cloud Services
1 16 (5.21%) Office 365
2 12 (3.91%) Amazon AWS
3 11 (3.58%) Microsoft Azure
4 3 (0.98%) IaaS
4 3 (0.98%) SaaS
4 3 (0.98%) Yammer
5 2 (0.65%) Azure Active Directory
6 1 (0.33%) AWS CloudFormation
6 1 (0.33%) GitHub
6 1 (0.33%) Sauce Labs
6 1 (0.33%) Slack
Communications & Networking
1 99 (32.25%) Firewall
2 42 (13.68%) DNS
3 40 (13.03%) Intrusion Detection
4 39 (12.70%) Wireless
5 37 (12.05%) VPN
6 35 (11.40%) Internet
7 33 (10.75%) Network Security
8 31 (10.10%) WAN
9 26 (8.47%) NetScaler
10 25 (8.14%) LAN
11 24 (7.82%) TCP/IP
12 21 (6.84%) SSL
13 17 (5.54%) IPsec
14 14 (4.56%) LDAP
15 13 (4.23%) BGP
16 12 (3.91%) SAN
17 10 (3.26%) DHCP
17 10 (3.26%) OSPF
17 10 (3.26%) VLAN
18 8 (2.61%) Cisco ASA
Database & Business Intelligence
1 12 (3.91%) SQL Server
2 8 (2.61%) Big Data
2 8 (2.61%) Data Mining
3 7 (2.28%) BusinessObjects
4 6 (1.95%) MySQL
5 5 (1.63%) Data Warehouse
5 5 (1.63%) SQL Server 2008
5 5 (1.63%) SQL Server Reporting Services
6 4 (1.30%) Hadoop
6 4 (1.30%) Relational Database
7 3 (0.98%) Apache Hive
7 3 (0.98%) DB2
7 3 (0.98%) MS Access
7 3 (0.98%) Oracle Database
7 3 (0.98%) SQL Server Integration Services
8 2 (0.65%) Impala
8 2 (0.65%) Jackrabbit
8 2 (0.65%) Oracle Database 11g
8 2 (0.65%) Oracle Reports
8 2 (0.65%) RDBMS
Development Applications
1 13 (4.23%) Jenkins
2 9 (2.93%) CruiseControl
2 9 (2.93%) JIRA
2 9 (2.93%) TeamCity
2 9 (2.93%) Visual Studio
3 5 (1.63%) Git (software)
4 3 (0.98%) Maven
5 2 (0.65%) Ant
5 2 (0.65%) JUnit
5 2 (0.65%) Mockito
5 2 (0.65%) Selenium
5 2 (0.65%) Subversion
5 2 (0.65%) Team Foundation Server
6 1 (0.33%) Concordion
6 1 (0.33%) Cucumber
6 1 (0.33%) Moq
6 1 (0.33%) QUnit
6 1 (0.33%) Rhino Mocks
6 1 (0.33%) SoapUI
6 1 (0.33%) WebDriver
General
1 42 (13.68%) Finance
2 17 (5.54%) Telecoms
3 15 (4.89%) Banking
4 12 (3.91%) Retail
5 9 (2.93%) Electronics
6 8 (2.61%) Publishing
7 6 (1.95%) Back Office
8 5 (1.63%) Marketing
9 4 (1.30%) Legal
10 3 (0.98%) Manufacturing
11 2 (0.65%) Aerospace
11 2 (0.65%) Financial Institution
11 2 (0.65%) French Language
11 2 (0.65%) Front Office
11 2 (0.65%) Military
12 1 (0.33%) Automotive
12 1 (0.33%) Billing
12 1 (0.33%) Games
12 1 (0.33%) German Language
12 1 (0.33%) Spanish Language
Job Titles
1 54 (17.59%) Analyst
2 39 (12.70%) Developer
3 35 (11.40%) Network Engineer
4 34 (11.07%) Consultant
5 29 (9.45%) Security Engineer
6 22 (7.17%) Security Analyst
7 21 (6.84%) Security Consultant
8 15 (4.89%) Data Analyst
9 14 (4.56%) IT Engineer
10 13 (4.23%) IT Security Engineer
10 13 (4.23%) Network Security Engineer
11 11 (3.58%) Infrastructure Engineer
12 10 (3.26%) Architect
12 10 (3.26%) Business Analyst
12 10 (3.26%) C++ Developer
13 9 (2.93%) Project Supervisor
13 9 (2.93%) Splunk Consultant
13 9 (2.93%) Tester
14 8 (2.61%) Automation Tester
14 8 (2.61%) Splunk Engineer
Libraries, Frameworks & Software Standards
1 21 (6.84%) Regular Expression
2 20 (6.51%) Web Services
3 14 (4.56%) JSON
4 12 (3.91%) HTML
4 12 (3.91%) XML
5 9 (2.93%) HTML5
6 7 (2.28%) .NET
6 7 (2.28%) CSS
6 7 (2.28%) RESTful
7 5 (1.63%) AngularJS
7 5 (1.63%) Servlets
8 4 (1.30%) jQuery
8 4 (1.30%) JSP
8 4 (1.30%) Twitter Bootstrap
9 3 (0.98%) J2EE
10 2 (0.65%) LAMP
10 2 (0.65%) OAuth
10 2 (0.65%) SAML
10 2 (0.65%) SOAP
10 2 (0.65%) XSD
Miscellaneous
1 39 (12.70%) Management Information System
2 25 (8.14%) Computer Science
3 22 (7.17%) Data Centre
4 21 (6.84%) Analytical Skills
5 9 (2.93%) PKI
6 7 (2.28%) CESG
7 6 (1.95%) CMDB
8 5 (1.63%) User Experience
9 4 (1.30%) Replication
9 4 (1.30%) Virtual Team
10 3 (0.98%) Device Driver
10 3 (0.98%) NHS
10 3 (0.98%) Private Cloud
11 2 (0.65%) 3D Graphics
11 2 (0.65%) Algorithms
11 2 (0.65%) Cyber Attack
11 2 (0.65%) Greenfield Project
11 2 (0.65%) Handset
11 2 (0.65%) Learning Management System
11 2 (0.65%) Security Operations Centre
Operating Systems
1 65 (21.17%) Windows
2 57 (18.57%) Linux
3 16 (5.21%) Mac OS X
4 12 (3.91%) Windows Server
5 11 (3.58%) Windows Server 2008
6 9 (2.93%) Unix
7 7 (2.28%) Windows 10
8 6 (1.95%) Windows Server 2012
9 5 (1.63%) Windows 7
10 4 (1.30%) CentOS
10 4 (1.30%) Red Hat Enterprise Linux
11 3 (0.98%) Apple iOS
11 3 (0.98%) Windows 8
12 2 (0.65%) CatOS
13 1 (0.33%) AIX
13 1 (0.33%) Solaris
13 1 (0.33%) Windows Phone
13 1 (0.33%) Windows Server 2003
13 1 (0.33%) Windows XP
Processes & Methodologies
1 60 (19.54%) Web Filtering
2 54 (17.59%) ITIL
3 44 (14.33%) Information Security
4 41 (13.36%) Email Filtering
5 37 (12.05%) Agile Software Development
6 32 (10.42%) SIEM
7 25 (8.14%) Change Management
8 23 (7.49%) Cybersecurity
9 20 (6.51%) Load Balancing
9 20 (6.51%) Project Management
10 19 (6.19%) Analytics
11 18 (5.86%) Identity Access Management
11 18 (5.86%) Vulnerability Management
12 17 (5.54%) Disaster Recovery
12 17 (5.54%) Risk Assessment
12 17 (5.54%) Vulnerability Assessment
13 16 (5.21%) Data Modelling
14 15 (4.89%) Functional Testing
14 15 (4.89%) Service Management
14 15 (4.89%) Workflow
Programming Languages
1 34 (11.07%) SQL
2 31 (10.10%) Python
3 21 (6.84%) C++
4 20 (6.51%) PowerShell
5 18 (5.86%) Java
6 14 (4.56%) C
7 9 (2.93%) Shell Script
8 8 (2.61%) Assembly Language
8 8 (2.61%) JavaScript
9 6 (1.95%) C#
9 6 (1.95%) T-SQL
10 5 (1.63%) Perl
10 5 (1.63%) PHP
10 5 (1.63%) VB
10 5 (1.63%) VBA
11 3 (0.98%) R
11 3 (0.98%) Ruby
11 3 (0.98%) VBScript
12 2 (0.65%) Bash Shell
12 2 (0.65%) Scala
Qualifications
1 39 (12.70%) Cisco Certification
2 33 (10.75%) CISSP
3 30 (9.77%) Degree
4 24 (7.82%) Security Cleared
5 17 (5.54%) CCNA
6 16 (5.21%) Computer Science Degree
6 16 (5.21%) SANS
7 15 (4.89%) SC Cleared
8 14 (4.56%) (ISC)2 CCSP
8 14 (4.56%) CCSP
8 14 (4.56%) CISM
9 13 (4.23%) CCIE
10 12 (3.91%) DV Cleared
11 9 (2.93%) CCNP
12 7 (2.28%) CESG Certified Professional
13 6 (1.95%) MCSE
13 6 (1.95%) Microsoft Certification
14 5 (1.63%) ITIL Certification
15 4 (1.30%) GIAC
15 4 (1.30%) PMP
Quality Assurance & Compliance
1 16 (5.21%) PCI DSS
2 10 (3.26%) PMO
3 6 (1.95%) ISO/IEC 27001
4 5 (1.63%) RMADS
4 5 (1.63%) Sarbanes-Oxley
5 4 (1.30%) HIPAA
5 4 (1.30%) SLA
6 3 (0.98%) Data Quality
6 3 (0.98%) QA
7 2 (0.65%) MiFID
8 1 (0.33%) GDPR
8 1 (0.33%) IEC 61508
8 1 (0.33%) ISO 26262
8 1 (0.33%) ISO/IEC 20000
8 1 (0.33%) JSP 440
8 1 (0.33%) MISRA
System Software
1 34 (11.07%) Active Directory
2 16 (5.21%) VMware Infrastructure
3 8 (2.61%) vSphere
4 6 (1.95%) BitLocker
5 5 (1.63%) Hyper-V
6 4 (1.30%) Microsoft Virtual Server
6 4 (1.30%) Terminal Services
6 4 (1.30%) Virtual Servers
7 3 (0.98%) Virtual Machines
7 3 (0.98%) XenApp
8 2 (0.65%) ProxySG
9 1 (0.33%) Citrix Presentation Server
9 1 (0.33%) Firmware
9 1 (0.33%) Oracle RAC
9 1 (0.33%) Terminal Server
9 1 (0.33%) VirtualBox
9 1 (0.33%) VMware ESXi
9 1 (0.33%) XenDesktop
Systems Management
1 5 (1.63%) SCCM
2 4 (1.30%) Nagios
3 3 (0.98%) Microsoft Intune
3 3 (0.98%) Puppet
3 3 (0.98%) SCOM
3 3 (0.98%) vCenter Server
4 2 (0.65%) Ansible
4 2 (0.65%) Cacti
4 2 (0.65%) Cobbler
4 2 (0.65%) CSIRT
4 2 (0.65%) FortiGate
4 2 (0.65%) Nessus
4 2 (0.65%) Oozie
4 2 (0.65%) QRadar
4 2 (0.65%) Red Hat Spacewalk
4 2 (0.65%) Systems Management Server (SMS)
5 1 (0.33%) BMC PATROL
5 1 (0.33%) Netcool
5 1 (0.33%) Netcool/OMNIbus
5 1 (0.33%) Tivoli
Vendors
1 69 (22.48%) Cisco
2 43 (14.01%) Microsoft
3 38 (12.38%) Splunk
4 23 (7.49%) Citrix
5 22 (7.17%) VMware
6 21 (6.84%) CheckPoint
7 19 (6.19%) Dell
8 18 (5.86%) Oracle
9 16 (5.21%) Palo Alto
10 14 (4.56%) LogRhythm
11 12 (3.91%) F5
11 12 (3.91%) Rapid7
12 11 (3.58%) Juniper
13 10 (3.26%) SolarWinds
14 8 (2.61%) Blue Coat
14 8 (2.61%) Extreme Networks
14 8 (2.61%) HP
14 8 (2.61%) SAP
15 7 (2.28%) BMC
15 7 (2.28%) Remedy
Leeds, West Yorkshire
Harvey Nash plc
Rate: £500 - £550 per annum +
Posted: 4 days ago
London
People Source Consulting
Rate: £350 - £375 per day
Posted: 20 days ago
Bracknell, Berkshire
Lorien Resourcing
Posted: 6 days ago
Bracknell, Berkshire
Hydrogen Group
Posted: 5 days ago