Period
to 22 February 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 22 February 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
22 Feb 2018
Same period 2017 Same period 2016
Rank 497 513 537
Rank change year-on-year +16 +24 -29
Contract jobs citing Kalman Filter 365 319 334
As % of all contract IT jobs advertised in England 0.39% 0.36% 0.34%
As % of the Processes & Methodologies category 0.46% 0.43% 0.41%
Number of daily rates quoted 243 184 179
England median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% +3.23%
10th Percentile £211 £263 £244
90th Percentile £581 £550 £550
UK median daily rate £413 £425 £390
% change year-on-year -2.94% +8.97% +0.65%
Number of hourly rates quoted 7 12 15
England median hourly rate £15.69 £34.00 £21.00
Median hourly rate % change year-on-year -53.85% +61.90% +27.27%
10th Percentile £12.10 £10.85 £10.00
90th Percentile £47.50 £42.50 £36.20
UK median hourly rate £15.69 £34.00 £21.00
% change year-on-year -53.85% +61.90% +27.27%

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 79,186 74,761 81,742
As % of all contract IT jobs advertised in England 84.88% 84.02% 82.99%
Number of daily rates quoted 53,339 49,856 53,987
England median daily rate £451 £438 £425
Median daily rate % change year-on-year +2.97% +2.94% +4.94%
10th Percentile £295 £270 £263
90th Percentile £638 £625 £606
UK median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 1,905 2,046 2,405
England median hourly rate £24.09 £25.00 £23.50
Median hourly rate % change year-on-year -3.64% +6.38% +16.77%
10th Percentile £11.50 £11.37 £11.34
90th Percentile £50.50 £49.75 £50.00
UK median hourly rate £24.00 £25.00 £24.85
% change year-on-year -4.00% +0.60% +24.25%

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 22 February 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 22 February 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 22 February 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 -26 166 £444 +2.60% 37
South East -19 79 £400 -5.88% 20
North of England +65 57 £458 +22.00% 32
North West +19 32 £488 +53.54% 16
East of England +8 29 £350 -26.32% 15
Yorkshire +10 22 £441 -11.75% 12
Midlands -12 21 £354 -21.39% 13
South West +13 13 £388 +46.92% 9
West Midlands -17 12 £180 -50.34% 5
East Midlands -1 9 £425 -5.56% 8
North East +54 3 £225 - 4
Kalman Filter
UK

For the 6 months to 22 February 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.

1 125 (34.25%) Firewall
2 88 (24.11%) Cisco
3 78 (21.37%) Windows
4 75 (20.55%) Finance
5 72 (19.73%) Microsoft
6 63 (17.26%) Intrusion Detection
7 62 (16.99%) Active Directory
8 60 (16.44%) Linux
9 59 (16.16%) DNS
10 56 (15.34%) Agile Software Development
11 55 (15.07%) Management Information System
12 54 (14.79%) Web Filtering
13 52 (14.25%) VMware
14 49 (13.42%) VPN
14 49 (13.42%) VMware Infrastructure
15 48 (13.15%) SQL
16 47 (12.88%) Java
17 46 (12.60%) DHCP
17 46 (12.60%) Email Filtering
18 45 (12.33%) SIEM
19 40 (10.96%) TCP/IP
19 40 (10.96%) Network Security
19 40 (10.96%) Windows Server
20 39 (10.68%) WAN
21 38 (10.41%) Information Security
22 37 (10.14%) Degree
23 36 (9.86%) Git (software)
24 35 (9.59%) Vulnerability Management
24 35 (9.59%) LAN
25 34 (9.32%) CheckPoint

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 28 (7.67%) Apache Spark
1 28 (7.67%) SharePoint
2 23 (6.30%) MS Exchange
3 16 (4.38%) Skype for Business
4 11 (3.01%) Elasticsearch
4 11 (3.01%) IIS
4 11 (3.01%) WebLogic
5 10 (2.74%) CMS
6 9 (2.47%) Confluence
6 9 (2.47%) Exchange Server 2010
6 9 (2.47%) Tomcat
7 8 (2.19%) Apache
8 7 (1.92%) Exchange Server 2013
8 7 (1.92%) MQSeries
8 7 (1.92%) WordPress
9 4 (1.10%) JBoss
9 4 (1.10%) WebLogic Portal
9 4 (1.10%) WildFly
10 2 (0.55%) IBM Notes
10 2 (0.55%) SharePoint 2010
Applications
1 20 (5.48%) Microsoft Excel
2 14 (3.84%) Microsoft Office
3 10 (2.74%) Microsoft PowerPoint
4 6 (1.64%) MS Visio
5 5 (1.37%) Adobe Creative Suite
5 5 (1.37%) Photoshop
6 4 (1.10%) Microsoft Project
7 3 (0.82%) GNU Octave
8 2 (0.55%) SPSS
8 2 (0.55%) Stata
9 1 (0.27%) Simulink
9 1 (0.27%) Spreadsheet
Business Applications
1 3 (0.82%) Remedy ITSM
1 3 (0.82%) Salesforce.com CRM
2 1 (0.27%) OPENHousing
2 1 (0.27%) Oracle ERP
2 1 (0.27%) Primavera
2 1 (0.27%) SAP IS-U
Cloud Services
1 34 (9.32%) Office 365
2 30 (8.22%) Microsoft Azure
3 27 (7.40%) Amazon AWS
4 9 (2.47%) OneDrive
5 8 (2.19%) Google Analytics
6 6 (1.64%) Datadog
6 6 (1.64%) Mimecast
7 5 (1.37%) Amazon EC2
7 5 (1.37%) Azure Active Directory
8 4 (1.10%) Amazon CloudWatch
8 4 (1.10%) Amazon ELB
8 4 (1.10%) Amazon S3
8 4 (1.10%) Cloudflare
9 3 (0.82%) IaaS
9 3 (0.82%) SaaS
9 3 (0.82%) Serverless
10 2 (0.55%) PaaS
10 2 (0.55%) Salesforce Service Cloud
10 2 (0.55%) Virtual Private Cloud
11 1 (0.27%) Trello
Communications & Networking
1 125 (34.25%) Firewall
2 63 (17.26%) Intrusion Detection
3 59 (16.16%) DNS
4 49 (13.42%) VPN
5 46 (12.60%) DHCP
6 40 (10.96%) Network Security
6 40 (10.96%) TCP/IP
7 39 (10.68%) WAN
8 35 (9.59%) LAN
9 34 (9.32%) Internet
10 33 (9.04%) SSL
11 30 (8.22%) Cisco ASA
12 22 (6.03%) Wireless
13 21 (5.75%) IPsec
14 17 (4.66%) NetScaler
15 16 (4.38%) SAN
16 15 (4.11%) Kerberos
16 15 (4.11%) VoIP
17 14 (3.84%) SMTP
18 12 (3.29%) MPLS
Database & Business Intelligence
1 32 (8.77%) SQL Server
2 30 (8.22%) Big Data
3 17 (4.66%) Hadoop
4 13 (3.56%) Apache Hive
5 12 (3.29%) Relational Database
6 11 (3.01%) Data Warehouse
7 10 (2.74%) BusinessObjects
7 10 (2.74%) MySQL
7 10 (2.74%) SQL Server 2008
7 10 (2.74%) SQL Server Integration Services
8 9 (2.47%) Impala
9 6 (1.64%) NoSQL
10 5 (1.37%) Oracle Database
11 4 (1.10%) Oracle Database 11g
11 4 (1.10%) RDBMS
12 3 (0.82%) Amazon Redshift
12 3 (0.82%) Data Mining
12 3 (0.82%) Neo4j
12 3 (0.82%) SQL Server 2012
13 2 (0.55%) Power BI
Development Applications
1 36 (9.86%) Git (software)
2 31 (8.49%) Jenkins
3 18 (4.93%) Bitbucket
4 11 (3.01%) JIRA
5 6 (1.64%) Subversion
6 4 (1.10%) Ant
7 2 (0.55%) FxCop
7 2 (0.55%) JUnit
7 2 (0.55%) Maven
7 2 (0.55%) Mockito
7 2 (0.55%) SonarQube
7 2 (0.55%) Zephyr
8 1 (0.27%) Babel
8 1 (0.27%) Grunt
8 1 (0.27%) MSI
8 1 (0.27%) Visual Composer
8 1 (0.27%) Visual Studio
General
1 75 (20.55%) Finance
2 21 (5.75%) Banking
3 16 (4.38%) Telecoms
4 15 (4.11%) Marketing
5 11 (3.01%) Retail
6 7 (1.92%) Investment Banking
7 5 (1.37%) Electronics
7 5 (1.37%) Legal
7 5 (1.37%) Pharmaceutical
8 4 (1.10%) Financial Institution
8 4 (1.10%) Publishing
9 3 (0.82%) Back Office
10 2 (0.55%) Automotive
10 2 (0.55%) Billing
10 2 (0.55%) Corporate Banking
11 1 (0.27%) Advertising
11 1 (0.27%) Aerospace
11 1 (0.27%) Manufacturing
11 1 (0.27%) Military
Job Titles
1 62 (16.99%) Developer
2 54 (14.79%) Analyst
3 41 (11.23%) Network Engineer
4 40 (10.96%) Security Engineer
5 36 (9.86%) Architect
6 25 (6.85%) Java Developer
7 21 (5.75%) Security Manager
8 19 (5.21%) Consultant
9 17 (4.66%) Network Security Engineer
9 17 (4.66%) Support Analyst
10 16 (4.38%) Apache Spark Developer
10 16 (4.38%) Business Analyst
10 16 (4.38%) Infrastructure Engineer
11 13 (3.56%) 3rd Line Support
12 12 (3.29%) Administrator
13 11 (3.01%) Applications Support
13 11 (3.01%) Applications Support Analyst
13 11 (3.01%) Security Analyst
13 11 (3.01%) SIEM Engineer
14 10 (2.74%) Infrastructure Security Engineer
Libraries, Frameworks & Software Standards
1 28 (7.67%) Web Services
2 23 (6.30%) RESTful
3 20 (5.48%) JSP
4 19 (5.21%) Spring
5 18 (4.93%) Regular Expression
6 17 (4.66%) Kafka
6 17 (4.66%) Spring Boot
7 15 (4.11%) RabbitMQ
7 15 (4.11%) Spark Streaming
7 15 (4.11%) Spring Integration
8 14 (3.84%) J2EE
9 13 (3.56%) CSS
9 13 (3.56%) HTML
10 10 (2.74%) HTML5
10 10 (2.74%) jQuery
11 9 (2.47%) CSS3
12 8 (2.19%) Sass
13 6 (1.64%) Elastic Stack
13 6 (1.64%) Grok
13 6 (1.64%) Twitter Bootstrap
Miscellaneous
1 55 (15.07%) Management Information System
2 34 (9.32%) Analytical Skills
3 15 (4.11%) Greenfield Project
3 15 (4.11%) Replication
4 14 (3.84%) SWIFT
5 13 (3.56%) Data Centre
5 13 (3.56%) User Experience
6 12 (3.29%) Computer Science
7 10 (2.74%) Blackberry
8 8 (2.19%) Distributed Denial-of-Service
8 8 (2.19%) Taxonomies
9 7 (1.92%) Fedwire
9 7 (1.92%) Video Conferencing
10 6 (1.64%) Fintech
10 6 (1.64%) PKI
10 6 (1.64%) Public Cloud
11 5 (1.37%) Linux Command Line
12 4 (1.10%) EMC VMAX
13 3 (0.82%) Data Structures
13 3 (0.82%) Security Operations Centre
Operating Systems
1 78 (21.37%) Windows
2 60 (16.44%) Linux
3 40 (10.96%) Windows Server
4 25 (6.85%) Unix
5 19 (5.21%) CentOS
6 18 (4.93%) Red Hat Enterprise Linux
7 15 (4.11%) Solaris
7 15 (4.11%) Windows Server 2008
8 14 (3.84%) Windows Server 2012
9 13 (3.56%) Windows 10
9 13 (3.56%) Windows 7
10 10 (2.74%) Android
11 7 (1.92%) AIX
12 5 (1.37%) Apple iOS
12 5 (1.37%) SUSE
12 5 (1.37%) Windows 8
13 4 (1.10%) Mac OS
13 4 (1.10%) Windows Vista
14 3 (0.82%) CatOS
15 2 (0.55%) Check Point GAiA
Processes & Methodologies
1 56 (15.34%) Agile Software Development
2 54 (14.79%) Web Filtering
3 46 (12.60%) Email Filtering
4 45 (12.33%) SIEM
5 38 (10.41%) Information Security
6 35 (9.59%) Vulnerability Management
7 30 (8.22%) Analytics
8 29 (7.95%) Security Operations
9 28 (7.67%) Microservices
10 27 (7.40%) Cybersecurity
11 24 (6.58%) Migration
12 23 (6.30%) ITIL
13 21 (5.75%) Load Balancing
14 20 (5.48%) Change Management
14 20 (5.48%) Patch Management
15 19 (5.21%) Business Intelligence
15 19 (5.21%) Continuous Improvement
15 19 (5.21%) Service Management
16 17 (4.66%) Continuous Integration
16 17 (4.66%) Vulnerability Scanning
Programming Languages
1 48 (13.15%) SQL
2 47 (12.88%) Java
3 30 (8.22%) Python
4 17 (4.66%) JavaScript
5 16 (4.38%) PowerShell
6 11 (3.01%) PL/SQL
7 10 (2.74%) PHP
8 7 (1.92%) C++
8 7 (1.92%) Shell Script
9 6 (1.64%) Bash Shell
9 6 (1.64%) Groovy
9 6 (1.64%) VBA
10 5 (1.37%) Perl
10 5 (1.37%) Ruby
11 4 (1.10%) C
11 4 (1.10%) R
12 3 (0.82%) MATLAB
13 2 (0.55%) C#
13 2 (0.55%) ES6
13 2 (0.55%) Scala
Qualifications
1 37 (10.14%) Degree
2 24 (6.58%) Security Cleared
3 22 (6.03%) Cisco Certification
3 22 (6.03%) Microsoft Certification
4 20 (5.48%) CISSP
5 18 (4.93%) SC Cleared
6 13 (3.56%) CCNP
6 13 (3.56%) CISM
7 12 (3.29%) MCSE
8 11 (3.01%) CCNA
9 9 (2.47%) CEH
9 9 (2.47%) CISA
10 7 (1.92%) CCIE
10 7 (1.92%) CCSA
11 5 (1.37%) ITIL Certification
12 4 (1.10%) DV Cleared
13 3 (0.82%) Computer Science Degree
13 3 (0.82%) DBS Check
13 3 (0.82%) Master's Degree
13 3 (0.82%) MCITP
Quality Assurance & Compliance
1 29 (7.95%) ISO/IEC 27001
2 24 (6.58%) PCI DSS
3 12 (3.29%) RMADS
4 9 (2.47%) GDPR
5 7 (1.92%) Sarbanes-Oxley
5 7 (1.92%) SEPA
5 7 (1.92%) SLA
6 4 (1.10%) COBIT
6 4 (1.10%) QA
7 3 (0.82%) Data Quality
7 3 (0.82%) PMO
8 2 (0.55%) Cyber Essentials
8 2 (0.55%) Cyber Essentials PLUS
9 1 (0.27%) Disclosure Scotland
9 1 (0.27%) FedRAMP
9 1 (0.27%) HIPAA
9 1 (0.27%) ISO 22301
9 1 (0.27%) ISO/IEC 20000
9 1 (0.27%) MISRA C
9 1 (0.27%) NIST 800
System Software
1 62 (16.99%) Active Directory
2 49 (13.42%) VMware Infrastructure
3 19 (5.21%) Hyper-V
4 15 (4.11%) Apache ZooKeeper
4 15 (4.11%) vSphere
5 9 (2.47%) BitLocker
5 9 (2.47%) Terminal Services
6 7 (1.92%) VirtualBox
6 7 (1.92%) XenApp
7 6 (1.64%) Docker
7 6 (1.64%) iptables
7 6 (1.64%) UAG
8 4 (1.10%) Virtual Servers
8 4 (1.10%) VMware ESXi
9 3 (0.82%) IAG
9 3 (0.82%) XenServer
10 2 (0.55%) ProxySG
10 2 (0.55%) Terminal Server
10 2 (0.55%) Virtual Machines
10 2 (0.55%) VMware Server
Systems Management
1 16 (4.38%) SCCM
2 15 (4.11%) Hadoop YARN
3 13 (3.56%) Nessus
3 13 (3.56%) Network Intrusion Detection System
4 10 (2.74%) Nagios
4 10 (2.74%) Puppet
5 8 (2.19%) Oozie
5 8 (2.19%) SCOM
6 7 (1.92%) QRadar
6 7 (1.92%) Systems Management Server (SMS)
7 6 (1.64%) Kubernetes
7 6 (1.64%) WSUS
8 5 (1.37%) Ansible
8 5 (1.37%) Backup Exec
8 5 (1.37%) Forefront Identity Manager
8 5 (1.37%) McAfee ePO
8 5 (1.37%) Single Sign-On
8 5 (1.37%) Symantec Enterprise Vault
9 4 (1.10%) logstash
9 4 (1.10%) Opscode Chef
Vendors
1 88 (24.11%) Cisco
2 72 (19.73%) Microsoft
3 52 (14.25%) VMware
4 34 (9.32%) CheckPoint
5 32 (8.77%) Citrix
6 29 (7.95%) HP
7 28 (7.67%) Oracle
8 15 (4.11%) Hortonworks
8 15 (4.11%) NetApp
9 13 (3.56%) AlienVault
9 13 (3.56%) Dell
9 13 (3.56%) Juniper
10 12 (3.29%) Extreme Networks
11 11 (3.01%) Forcepoint
12 10 (2.74%) Blue Coat
12 10 (2.74%) McAfee
12 10 (2.74%) Palo Alto
12 10 (2.74%) Symantec
13 9 (2.47%) Google
13 9 (2.47%) SolarWinds