Period
to 14 December 2018

The following table provides summary statistics for contract job vacancies advertised in Bristol 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 14 December 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
South West > Bristol
6 months to
14 Dec 2018
Same period 2017 Same period 2016
Rank 121 109 105
Rank change year-on-year -12 -4 -1
Contract jobs citing Kalman Filter 11 4 1
As % of all contract IT jobs advertised in Bristol 0.50% 0.20% 0.059%
As % of the Processes & Methodologies category 0.59% 0.25% 0.069%
Number of daily rates quoted 2 2 0
Bristol median daily rate £375 £375 -
South West median daily rate £613 £413 £240
% change year-on-year +48.48% +71.88% -49.47%
Number of hourly rates quoted 0 0 1
Bristol median hourly rate - - £41.50
South West median hourly rate £45.00 - £41.50

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 Bristol with a requirement for process or methodology skills.

All Process and Methodology Skills
Bristol
Contract vacancies with a requirement for process or methodology skills 1,864 1,612 1,441
As % of all contract IT jobs advertised in Bristol 84.80% 82.12% 85.37%
Number of daily rates quoted 1,295 1,073 1,013
Bristol median daily rate £425 £388 £375
Median daily rate % change year-on-year +9.68% +3.33% -
10th Percentile £280 £256 £258
90th Percentile £538 £538 £568
South West median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 77 48 69
Bristol median hourly rate £39.00 £24.00 £25.00
Median hourly rate % change year-on-year +62.50% -4.00% +38.89%
10th Percentile £15.30 £11.93 £12.00
90th Percentile £65.85 £48.25 £46.70
South West median hourly rate £41.00 £33.00 £33.00
% change year-on-year +24.24% - -15.65%

Kalman Filter
Job Vacancy Trend in Bristol

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

Job vacancy trend for Kalman Filter in Bristol

Kalman Filter
Contractor Daily Rate Trend in Bristol

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

Contractor daily rate trend for Kalman Filter in Bristol

Kalman Filter
Contractor Hourly Rate Trend in Bristol

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

Contractor hourly rate trend for Kalman Filter in Bristol

For the 6 months to 14 December 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 Bristol region with a requirement for Kalman Filter.

1 9 (81.82%) VPN
1 9 (81.82%) Firewall
1 9 (81.82%) Data Centre
2 8 (72.73%) Microsoft Azure
2 8 (72.73%) Linux
2 8 (72.73%) Microsoft
3 7 (63.64%) Windows
3 7 (63.64%) DNS
3 7 (63.64%) User Acceptance Testing
3 7 (63.64%) Test Scripting
3 7 (63.64%) PowerShell
3 7 (63.64%) Continuous Improvement
3 7 (63.64%) Test Strategy
3 7 (63.64%) Load Balancing
3 7 (63.64%) Migration
3 7 (63.64%) Kubernetes
3 7 (63.64%) DevOps
3 7 (63.64%) Microservices
3 7 (63.64%) Docker
3 7 (63.64%) Windows Server
3 7 (63.64%) Server Management
4 2 (18.18%) Service Delivery
4 2 (18.18%) VRRP
4 2 (18.18%) MATLAB
4 2 (18.18%) Simulink
4 2 (18.18%) Forcepoint
4 2 (18.18%) Juniper
4 2 (18.18%) SLA
4 2 (18.18%) Cisco
4 2 (18.18%) CheckPoint

Kalman Filter
Co-occurring IT Skills in Bristol 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 1 (9.09%) CMS
Applications
1 2 (18.18%) Simulink
Cloud Services
1 8 (72.73%) Microsoft Azure
2 1 (9.09%) Amazon AWS
2 1 (9.09%) Office 365
Communications & Networking
1 9 (81.82%) Firewall
1 9 (81.82%) VPN
2 7 (63.64%) DNS
3 2 (18.18%) ADSL
3 2 (18.18%) BGP
3 2 (18.18%) Cisco ASA
3 2 (18.18%) Ethernet
3 2 (18.18%) Intrusion Detection
3 2 (18.18%) iSCSI
3 2 (18.18%) Junos
3 2 (18.18%) LAN
3 2 (18.18%) MPLS
3 2 (18.18%) OSPF
3 2 (18.18%) TCP/IP
3 2 (18.18%) VRRP
3 2 (18.18%) WAN
3 2 (18.18%) Wireless
4 1 (9.09%) Cisco IOS
4 1 (9.09%) FCoE
4 1 (9.09%) Wireshark
Job Titles
1 5 (45.45%) Analyst
1 5 (45.45%) Test Analyst
2 2 (18.18%) Algorithm Engineer
2 2 (18.18%) Azure Engineer
2 2 (18.18%) Development Engineer
3 1 (9.09%) Cloud Engineer
3 1 (9.09%) Network Engineer
3 1 (9.09%) Network Specialist
3 1 (9.09%) Test Engineer
Libraries, Frameworks & Software Standards
1 2 (18.18%) AngularJS
1 2 (18.18%) JSON
1 2 (18.18%) React
1 2 (18.18%) RESTful
1 2 (18.18%) XML
2 1 (9.09%) .NET
2 1 (9.09%) .NET Core
2 1 (9.09%) .NET Framework
Miscellaneous
1 9 (81.82%) Data Centre
2 2 (18.18%) Algorithms
2 2 (18.18%) Analytical Skills
Operating Systems
1 8 (72.73%) Linux
2 7 (63.64%) Windows
2 7 (63.64%) Windows Server
3 1 (9.09%) Unix
Processes & Methodologies
1 7 (63.64%) Continuous Improvement
1 7 (63.64%) DevOps
1 7 (63.64%) Load Balancing
1 7 (63.64%) Microservices
1 7 (63.64%) Migration
1 7 (63.64%) Server Management
1 7 (63.64%) Test Scripting
1 7 (63.64%) Test Strategy
1 7 (63.64%) User Acceptance Testing
2 2 (18.18%) Adaptive Security
2 2 (18.18%) Computer Vision
2 2 (18.18%) Customer Requirements
2 2 (18.18%) Decision-Making
2 2 (18.18%) Image Processing
2 2 (18.18%) Information Engineering
2 2 (18.18%) Machine Learning
2 2 (18.18%) Mathematics
2 2 (18.18%) Network Monitoring
2 2 (18.18%) Pattern Recognition
2 2 (18.18%) Signal Processing
Programming Languages
1 7 (63.64%) PowerShell
2 2 (18.18%) C
2 2 (18.18%) Fortran
2 2 (18.18%) JavaScript
2 2 (18.18%) MATLAB
Qualifications
1 1 (9.09%) MCT
Quality Assurance & Compliance
1 2 (18.18%) SLA
System Software
1 7 (63.64%) Docker
2 2 (18.18%) NFS
Systems Management
1 7 (63.64%) Kubernetes
2 1 (9.09%) Ansible
2 1 (9.09%) Opscode Chef
2 1 (9.09%) Puppet
Vendors
1 8 (72.73%) Microsoft
2 2 (18.18%) Brocade
2 2 (18.18%) CheckPoint
2 2 (18.18%) Cisco
2 2 (18.18%) Forcepoint
2 2 (18.18%) Juniper
2 2 (18.18%) McAfee
2 2 (18.18%) Meraki
2 2 (18.18%) SolarWinds
2 2 (18.18%) Sophos
3 1 (9.09%) BT
3 1 (9.09%) Siemens
3 1 (9.09%) WatchGuard