Period
to 12 December 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 12 December 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
East of England > Hertfordshire
6 months to
12 Dec 2017
Same period 2016 Same period 2015
Rank 96 92 71
Rank change year-on-year -4 -21 +28
Contract jobs citing Kalman Filter 7 9 28
As % of all contract IT jobs advertised in Hertfordshire 0.44% 0.63% 1.83%
As % of the Processes & Methodologies category 0.54% 0.83% 2.42%
Number of daily rates quoted 6 3 2
Hertfordshire median daily rate £318 £375 £350
Median daily rate % change year-on-year -15.33% +7.14% +7.69%
10th Percentile £241 £213 £337
90th Percentile £395 £453 £363
East of England median daily rate £394 £375 £368
% change year-on-year +5.17% +2.04% +7.30%
Number of hourly rates quoted 0 4 12
Hertfordshire median hourly rate - £9.75 £21.53
Median hourly rate % change year-on-year - -54.70% -15.59%
East of England median hourly rate - £10.00 £21.53
% change year-on-year - -53.54% -31.67%

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 Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1305 1084 1157
As % of all contract IT jobs advertised in Hertfordshire 81.11% 76.23% 75.42%
Number of daily rates quoted 659 627 582
Hertfordshire median daily rate £400 £415 £413
Median daily rate % change year-on-year -3.61% +0.61% +10.00%
10th Percentile £220 £220 £225
90th Percentile £575 £550 £575
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +3.23%
Number of hourly rates quoted 58 53 94
Hertfordshire median hourly rate £23.14 £41.13 £21.25
Median hourly rate % change year-on-year -43.74% +93.51% +32.00%
10th Percentile £13.00 £10.00 £10.15
90th Percentile £47.25 £53.75 £41.50
East of England median hourly rate £37.00 £32.40 £24.66
% change year-on-year +14.20% +31.40% -1.37%

Kalman Filter
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Kalman Filter in Hertfordshire

Kalman Filter
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Kalman Filter in Hertfordshire

Kalman Filter
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Kalman Filter in Hertfordshire over the 6 months to 12 December 2017.

Contractor daily rate histogram for Kalman Filter in Hertfordshire

Kalman Filter
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Kalman Filter in Hertfordshire

Kalman Filter
Contract Job Locations in Hertfordshire

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 Hertfordshire region over the 6 months to 12 December 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Stevenage -7 3 £300 -33.33%
Hemel Hempstead - 2 £336 -
Kalman Filter
East of England

For the 6 months to 12 December 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 across the Hertfordshire region with a requirement for Kalman Filter.

1 7 (100.00%) Wi-Fi
2 5 (71.43%) Remedy
2 5 (71.43%) Firewall
2 5 (71.43%) LAN
3 4 (57.14%) Cisco
3 4 (57.14%) Juniper
3 4 (57.14%) Forcepoint
3 4 (57.14%) Blue Coat
3 4 (57.14%) Cisco IOS
3 4 (57.14%) Cisco PIX
3 4 (57.14%) Cisco ASA
3 4 (57.14%) Barracuda Networks
3 4 (57.14%) SC Cleared
3 4 (57.14%) Security Cleared
4 3 (42.86%) Video Conferencing
4 3 (42.86%) SLA
4 3 (42.86%) Cisco Certification
4 3 (42.86%) CCIE
4 3 (42.86%) CCNP
4 3 (42.86%) CCNA
5 2 (28.57%) ITSM
5 2 (28.57%) Remedy ITSM
5 2 (28.57%) Release Management
5 2 (28.57%) Test Scripting
5 2 (28.57%) Asset Management
5 2 (28.57%) JIRA
5 2 (28.57%) Confluence
5 2 (28.57%) Zephyr
6 1 (14.29%) DBS Check
6 1 (14.29%) Windows Server

Kalman Filter
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 2 (28.57%) Confluence
2 1 (14.29%) Exchange Server 2010
2 1 (14.29%) MS Exchange
Business Applications
1 2 (28.57%) Remedy ITSM
Communications & Networking
1 7 (100.00%) Wi-Fi
2 5 (71.43%) Firewall
2 5 (71.43%) LAN
3 4 (57.14%) Cisco ASA
3 4 (57.14%) Cisco IOS
3 4 (57.14%) Cisco PIX
4 1 (14.29%) DHCP
4 1 (14.29%) DNS
4 1 (14.29%) Internet
4 1 (14.29%) Intranet
4 1 (14.29%) IP Telephony
4 1 (14.29%) SAN
4 1 (14.29%) VoIP
4 1 (14.29%) Wireless
Development Applications
1 2 (28.57%) JIRA
1 2 (28.57%) Zephyr
Job Titles
1 2 (28.57%) Network Engineer
2 1 (14.29%) Analyst
2 1 (14.29%) Database Manager
2 1 (14.29%) Implementation Specialist
2 1 (14.29%) IT Manager
2 1 (14.29%) NOC Engineer
2 1 (14.29%) SC Cleared Network Engineer
2 1 (14.29%) Senior Network Engineer
2 1 (14.29%) Systems Tester
2 1 (14.29%) Test Analyst
2 1 (14.29%) Tester
Miscellaneous
1 3 (42.86%) Video Conferencing
2 1 (14.29%) CCTV
Operating Systems
1 1 (14.29%) Linux
1 1 (14.29%) Mac OS X Server
1 1 (14.29%) Windows
1 1 (14.29%) Windows Server
1 1 (14.29%) Windows Server 2003
1 1 (14.29%) Windows Server 2012
Processes & Methodologies
1 2 (28.57%) Asset Management
1 2 (28.57%) ITSM
1 2 (28.57%) Release Management
1 2 (28.57%) Test Scripting
2 1 (14.29%) Network Architecture
2 1 (14.29%) Web Filtering
Qualifications
1 4 (57.14%) SC Cleared
1 4 (57.14%) Security Cleared
2 3 (42.86%) CCIE
2 3 (42.86%) CCNA
2 3 (42.86%) CCNP
2 3 (42.86%) Cisco Certification
3 1 (14.29%) DBS Check
Quality Assurance & Compliance
1 3 (42.86%) SLA
System Software
1 1 (14.29%) Active Directory
1 1 (14.29%) Hyper-V
1 1 (14.29%) VMware ESXi
1 1 (14.29%) VMware Infrastructure
1 1 (14.29%) vSphere
1 1 (14.29%) XenApp
1 1 (14.29%) XenDesktop
Systems Management
1 1 (14.29%) SCCM
1 1 (14.29%) vCenter Server
1 1 (14.29%) WSUS
Vendors
1 5 (71.43%) Remedy
2 4 (57.14%) Barracuda Networks
2 4 (57.14%) Blue Coat
2 4 (57.14%) Cisco
2 4 (57.14%) Forcepoint
2 4 (57.14%) Juniper
3 1 (14.29%) Apple
3 1 (14.29%) CheckPoint
3 1 (14.29%) Citrix
3 1 (14.29%) Dell
3 1 (14.29%) Microsoft
3 1 (14.29%) SonicWALL
3 1 (14.29%) VMware