Period
to 15 November 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 15 November 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
15 Nov 2018
Same period 2017 Same period 2016
Rank 526 542 548
Rank change year-on-year +16 +6 -33
Contract jobs citing Kalman Filter 337 325 338
As % of all contract IT jobs advertised in England 0.35% 0.34% 0.34%
As % of the Processes & Methodologies category 0.41% 0.40% 0.40%
Number of daily rates quoted 177 226 207
England median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% -
10th Percentile £166 £216 £231
90th Percentile £617 £606 £527
UK median daily rate £425 £413 £400
% change year-on-year +3.03% +3.13% -
Number of hourly rates quoted 15 8 14
England median hourly rate £26.21 £29.10 £27.00
Median hourly rate % change year-on-year -9.93% +7.76% +25.44%
10th Percentile £17.41 £12.20 £10.00
90th Percentile £47.50 £47.50 £42.28
UK median hourly rate £22.60 £29.10 £27.00
% change year-on-year -22.31% +7.76% +26.97%

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 82,271 81,375 84,449
As % of all contract IT jobs advertised in England 86.38% 85.91% 85.49%
Number of daily rates quoted 55,116 54,618 56,145
England median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +1.19%
10th Percentile £300 £281 £263
90th Percentile £645 £638 £608
UK median daily rate £460 £450 £425
% change year-on-year +2.22% +5.88% +3.03%
Number of hourly rates quoted 2,111 1,937 2,260
England median hourly rate £22.00 £23.50 £22.84
Median hourly rate % change year-on-year -6.38% +2.91% +3.80%
10th Percentile £11.50 £11.25 £11.25
90th Percentile £51.00 £50.00 £47.83
UK median hourly rate £22.00 £23.14 £22.50
% change year-on-year -4.93% +2.84% +2.27%

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 15 November 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 15 November 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 15 November 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 +4 138 £450 +12.50% 58
South East -13 90 £450 +5.88% 28
North of England -19 46 £288 -41.03% 43
North West -21 31 £288 -41.77% 14
South West -10 26 £575 +21.05% 10
East of England 0 23 £363 -14.71% 25
Midlands -2 15 £288 -17.86% 15
Yorkshire -5 10 £400 -9.86% 28
East Midlands +12 8 £288 -13.53% 6
West Midlands -24 7 £225 -35.71% 9
North East -5 5 £200 -11.11% 1
Kalman Filter
UK

For the 6 months to 15 November 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.

1 109 (32.34%) Firewall
2 88 (26.11%) Microsoft
3 78 (23.15%) Windows
4 76 (22.55%) Web Filtering
5 74 (21.96%) Internet
6 70 (20.77%) Active Directory
7 69 (20.47%) DNS
8 67 (19.88%) SQL
9 65 (19.29%) Microsoft Azure
10 62 (18.40%) PowerShell
11 57 (16.91%) TCP/IP
11 57 (16.91%) Office 365
12 54 (16.02%) Cisco
13 53 (15.73%) VPN
13 53 (15.73%) Windows Server
14 52 (15.43%) Information Security
15 49 (14.54%) Email Filtering
16 48 (14.24%) Linux
17 46 (13.65%) Finance
18 45 (13.35%) ITIL
18 45 (13.35%) Problem-Solving
19 44 (13.06%) Analytics
20 41 (12.17%) Migration
21 40 (11.87%) Management Information System
21 40 (11.87%) Analytical Skills
22 39 (11.57%) LAN
23 37 (10.98%) WAN
23 37 (10.98%) Computer Science
24 36 (10.68%) DHCP
25 35 (10.39%) SCCM

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 30 (8.90%) MS Exchange
2 25 (7.42%) SharePoint
3 21 (6.23%) Apache Spark
3 21 (6.23%) Skype for Business
4 18 (5.34%) Exchange Server 2010
5 9 (2.67%) Exchange Server 2013
6 8 (2.37%) Elasticsearch
7 5 (1.48%) Exchange Server 2007
8 4 (1.19%) IIS
9 3 (0.89%) Apache
9 3 (0.89%) JBoss
9 3 (0.89%) Oracle Service Bus
9 3 (0.89%) SAS
9 3 (0.89%) WebLogic
10 2 (0.59%) Apache Pig
10 2 (0.59%) Blackberry Enterprise Server
10 2 (0.59%) SharePoint 2013
11 1 (0.30%) CMS
11 1 (0.30%) IBM Domino
11 1 (0.30%) IBM Notes
Applications
1 32 (9.50%) Microsoft Office
2 8 (2.37%) Microsoft Excel
3 3 (0.89%) Simulink
3 3 (0.89%) Spreadsheet
3 3 (0.89%) SPSS
4 2 (0.59%) GNU Octave
4 2 (0.59%) Microsoft Project
5 1 (0.30%) CATIA
5 1 (0.30%) Microsoft PowerPoint
Business Applications
1 6 (1.78%) IBM Operational Decision Manager
2 3 (0.89%) Salesforce.com CRM
3 1 (0.30%) CA PPM
3 1 (0.30%) ENOVIA
3 1 (0.30%) Hyperion Enterprise
3 1 (0.30%) Hyperion Planning
Cloud Services
1 65 (19.29%) Microsoft Azure
2 57 (16.91%) Office 365
3 34 (10.09%) Amazon AWS
4 27 (8.01%) IaaS
5 23 (6.82%) Mimecast
6 22 (6.53%) PaaS
7 20 (5.93%) Serverless
8 17 (5.04%) SaaS
9 16 (4.75%) Amazon EC2
9 16 (4.75%) Amazon S3
9 16 (4.75%) AWS CloudTrail
9 16 (4.75%) AWS Lambda
9 16 (4.75%) Azure Active Directory
9 16 (4.75%) Route 53
9 16 (4.75%) Virtual Private Cloud
10 3 (0.89%) Sumo Logic
11 2 (0.59%) GitHub
11 2 (0.59%) Salesforce Service Cloud
11 2 (0.59%) SuccessFactors
12 1 (0.30%) Zapier
Communications & Networking
1 109 (32.34%) Firewall
2 74 (21.96%) Internet
3 69 (20.47%) DNS
4 57 (16.91%) TCP/IP
5 53 (15.73%) VPN
6 39 (11.57%) LAN
7 37 (10.98%) WAN
8 36 (10.68%) DHCP
9 28 (8.31%) Network Security
10 26 (7.72%) Intrusion Detection
11 24 (7.12%) Intranet
12 23 (6.82%) SMTP
12 23 (6.82%) Wireless
13 22 (6.53%) Cisco ASA
14 21 (6.23%) Skype
15 20 (5.93%) SSH
15 20 (5.93%) SSL
16 18 (5.34%) OSPF
17 16 (4.75%) BGP
18 12 (3.56%) WLAN
Database & Business Intelligence
1 25 (7.42%) Hadoop
2 24 (7.12%) Big Data
3 23 (6.82%) Apache Hive
4 18 (5.34%) Amazon DynamoDB
4 18 (5.34%) Flink
5 16 (4.75%) Amazon RDS
6 14 (4.15%) SQL Server
7 7 (2.08%) OLAP
7 7 (2.08%) OLTP
8 6 (1.78%) NoSQL
9 5 (1.48%) BusinessObjects
9 5 (1.48%) Data Lake
9 5 (1.48%) Power BI
9 5 (1.48%) Relational Database
10 4 (1.19%) Data Mining
10 4 (1.19%) Neo4j
11 3 (0.89%) Oracle Database
11 3 (0.89%) PostgreSQL
11 3 (0.89%) Redis
11 3 (0.89%) SQL Server 2012
Development Applications
1 7 (2.08%) JIRA
2 6 (1.78%) Git (software)
3 4 (1.19%) Jenkins
4 3 (0.89%) CruiseControl
4 3 (0.89%) JUnit
4 3 (0.89%) Mocha
4 3 (0.89%) Subversion
4 3 (0.89%) TeamCity
4 3 (0.89%) webpack
5 2 (0.59%) Rational DOORS
5 2 (0.59%) Visual Studio
6 1 (0.30%) Bitbucket
6 1 (0.30%) GDB
6 1 (0.30%) GitLab
6 1 (0.30%) LabVIEW
6 1 (0.30%) Mercurial
6 1 (0.30%) MSI
6 1 (0.30%) Oracle Forms
6 1 (0.30%) SonarQube
6 1 (0.30%) Visual Composer
General
1 46 (13.65%) Finance
2 33 (9.79%) Legal
3 19 (5.64%) Telecoms
4 8 (2.37%) Law
5 7 (2.08%) Banking
6 6 (1.78%) Electronics
6 6 (1.78%) Marketing
6 6 (1.78%) Retail
7 4 (1.19%) Advertising
7 4 (1.19%) Aerospace
7 4 (1.19%) Manufacturing
8 3 (0.89%) Automotive
9 2 (0.59%) Back Office
9 2 (0.59%) Investment Banking
9 2 (0.59%) Pharmaceutical
9 2 (0.59%) Publishing
10 1 (0.30%) Avionics
10 1 (0.30%) Front Office
10 1 (0.30%) Russian Language
Job Titles
1 81 (24.04%) Analyst
2 45 (13.35%) Architect
3 41 (12.17%) Developer
4 33 (9.79%) Service Analyst
4 33 (9.79%) Service Desk Analyst
5 23 (6.82%) Security Analyst
6 20 (5.93%) Security Engineer
7 19 (5.64%) Network Engineer
8 18 (5.34%) Cybersecurity Analyst
9 14 (4.15%) Analytics Developer
9 14 (4.15%) Consultant
10 13 (3.86%) Big Data Developer
11 12 (3.56%) AWS Architect
11 12 (3.56%) Security Architect
12 11 (3.26%) Cloud Architect
12 11 (3.26%) IT Analyst
12 11 (3.26%) Software Developer
12 11 (3.26%) Support Engineer
13 10 (2.97%) Azure Architect
13 10 (2.97%) IT Security Analyst
Libraries, Frameworks & Software Standards
1 20 (5.93%) Web Services
2 18 (5.34%) Spark Streaming
3 17 (5.04%) SAML
4 14 (4.15%) JSON
5 10 (2.97%) OAuth
5 10 (2.97%) OpenID
6 9 (2.67%) REST
7 6 (1.78%) CSS
7 6 (1.78%) HTML
7 6 (1.78%) SOAP
8 5 (1.48%) Node.js
8 5 (1.48%) RESTful
8 5 (1.48%) XML
9 4 (1.19%) AngularJS
9 4 (1.19%) JDBC
9 4 (1.19%) Sass
9 4 (1.19%) Spring
10 3 (0.89%) .NET
10 3 (0.89%) J2EE
10 3 (0.89%) Servlets
Miscellaneous
1 40 (11.87%) Analytical Skills
1 40 (11.87%) Management Information System
2 37 (10.98%) Computer Science
3 26 (7.72%) Self-Motivation
4 20 (5.93%) NHS
5 18 (5.34%) Cloud Native
5 18 (5.34%) Data Centre
6 11 (3.26%) Distributed Denial-of-Service
7 9 (2.67%) Blackberry
8 7 (2.08%) Algorithms
8 7 (2.08%) iPhone
8 7 (2.08%) PKI
9 6 (1.78%) Cyberthreat
9 6 (1.78%) DataPower
9 6 (1.78%) User Experience
9 6 (1.78%) Virtual Team
10 5 (1.48%) Enterprise Cloud
10 5 (1.48%) Fat Client
10 5 (1.48%) Linux Command Line
10 5 (1.48%) Thin Client
Operating Systems
1 78 (23.15%) Windows
2 53 (15.73%) Windows Server
3 48 (14.24%) Linux
4 19 (5.64%) Android
5 17 (5.04%) Apple iOS
6 16 (4.75%) Windows 7
7 15 (4.45%) Windows Server 2012
8 14 (4.15%) Windows 10
9 13 (3.86%) Windows Server 2008
10 11 (3.26%) Unix
11 7 (2.08%) AIX
12 6 (1.78%) Windows Server 2003
13 5 (1.48%) Windows Phone
14 4 (1.19%) Mac OS X
14 4 (1.19%) Windows 8
15 2 (0.59%) CentOS
15 2 (0.59%) Embedded Linux
15 2 (0.59%) Solaris
16 1 (0.30%) Mac OS
Processes & Methodologies
1 76 (22.55%) Web Filtering
2 52 (15.43%) Information Security
3 49 (14.54%) Email Filtering
4 45 (13.35%) ITIL
4 45 (13.35%) Problem-Solving
5 44 (13.06%) Analytics
6 41 (12.17%) Migration
7 35 (10.39%) DevOps
8 34 (10.09%) Data Protection
9 27 (8.01%) Cybersecurity
9 27 (8.01%) Patch Management
10 26 (7.72%) Agile Software Development
11 25 (7.42%) Penetration Testing
12 24 (7.12%) Data Analytics
12 24 (7.12%) Data Modelling
12 24 (7.12%) ETL
12 24 (7.12%) Network Architecture
12 24 (7.12%) SIEM
13 21 (6.23%) Open Source
13 21 (6.23%) Vulnerability Management
Programming Languages
1 67 (19.88%) SQL
2 62 (18.40%) PowerShell
3 32 (9.50%) Python
4 16 (4.75%) JavaScript
5 13 (3.86%) Java
6 10 (2.97%) C
7 8 (2.37%) C++
8 4 (1.19%) Bash Shell
8 4 (1.19%) MATLAB
8 4 (1.19%) R
8 4 (1.19%) Shell Script
9 3 (0.89%) Embedded C
9 3 (0.89%) Java 8
9 3 (0.89%) TypeScript
10 2 (0.59%) ES6
10 2 (0.59%) T-SQL
10 2 (0.59%) VBScript
11 1 (0.30%) C-shell
11 1 (0.30%) Data Analysis Expressions (DAX)
11 1 (0.30%) sed
Qualifications
1 32 (9.50%) Security Cleared
2 29 (8.61%) Degree
3 27 (8.01%) Cisco Certification
4 22 (6.53%) SC Cleared
5 21 (6.23%) CISSP
6 20 (5.93%) Computer Science Degree
7 19 (5.64%) CISA
8 18 (5.34%) GIAC
9 17 (5.04%) CCNA
9 17 (5.04%) CCNP
9 17 (5.04%) CEH
9 17 (5.04%) CompTIA Security+
10 9 (2.67%) ITIL Foundation Certificate
11 4 (1.19%) CISM
11 4 (1.19%) DV Cleared
11 4 (1.19%) Microsoft Certification
12 3 (0.89%) CCIP
12 3 (0.89%) MBA
12 3 (0.89%) MCSE
12 3 (0.89%) PhD
Quality Assurance & Compliance
1 17 (5.04%) SLA
2 10 (2.97%) FedRAMP
2 10 (2.97%) HIPAA
2 10 (2.97%) ISO/IEC 27001
2 10 (2.97%) Sarbanes-Oxley
3 5 (1.48%) GDPR
3 5 (1.48%) PMO
3 5 (1.48%) QA
4 4 (1.19%) DO-254
5 3 (0.89%) PCI DSS
6 1 (0.30%) Data Quality
6 1 (0.30%) IEC 61508
6 1 (0.30%) ISO 26262
6 1 (0.30%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 1 (0.30%) MISRA
6 1 (0.30%) MISRA C
System Software
1 70 (20.77%) Active Directory
2 17 (5.04%) VMware Infrastructure
3 10 (2.97%) Hyper-V
4 8 (2.37%) Docker
4 8 (2.37%) vSphere
5 6 (1.78%) Terminal Services
6 4 (1.19%) Virtual Servers
6 4 (1.19%) VMware ESXi
7 3 (0.89%) XenApp
8 2 (0.59%) NFS
9 1 (0.30%) BitLocker
9 1 (0.30%) DFS Replication
9 1 (0.30%) IAG
9 1 (0.30%) Microsoft App-V
9 1 (0.30%) Microsoft Virtual Server
9 1 (0.30%) XenDesktop
Systems Management
1 35 (10.39%) SCCM
2 17 (5.04%) Network Intrusion Detection System
3 16 (4.75%) Host Intrusion Detection System
4 10 (2.97%) CASB
5 7 (2.08%) Kubernetes
6 5 (1.48%) AirWatch
6 5 (1.48%) Single Sign-On
7 4 (1.19%) QRadar
7 4 (1.19%) ZABBIX
8 3 (0.89%) ArcSight ESM
8 3 (0.89%) Backup Exec
8 3 (0.89%) EMC NetWorker
8 3 (0.89%) MIMEsweeper
8 3 (0.89%) SCOM
8 3 (0.89%) SmoothWall
8 3 (0.89%) WSUS
9 2 (0.59%) Control-M
10 1 (0.30%) Cisco Prime
10 1 (0.30%) Norton AntiVirus
10 1 (0.30%) OpenView
Vendors
1 88 (26.11%) Microsoft
2 54 (16.02%) Cisco
3 33 (9.79%) VMware
4 18 (5.34%) Proofpoint
5 13 (3.86%) Palo Alto
6 11 (3.26%) CheckPoint
6 11 (3.26%) McAfee
7 10 (2.97%) Okta
7 10 (2.97%) Symantec
8 9 (2.67%) EMC
8 9 (2.67%) Forcepoint
8 9 (2.67%) Juniper
8 9 (2.67%) Sophos
9 8 (2.37%) IBM
9 8 (2.37%) SolarWinds
9 8 (2.37%) Splunk
10 7 (2.08%) Citrix
11 6 (1.78%) Apple
11 6 (1.78%) Avaya
11 6 (1.78%) HP