Period
to 12 December 2017

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 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
UK > England
6 months to
12 Dec 2017
Same period 2016 Same period 2015
Rank 526 514 523
Rank change year-on-year -12 +9 -44
Contract jobs citing Kalman Filter 344 355 377
As % of all contract IT jobs advertised in England 0.36% 0.37% 0.37%
As % of the Processes & Methodologies category 0.43% 0.44% 0.44%
Number of daily rates quoted 240 215 217
England median daily rate £413 £400 £400
Median daily rate % change year-on-year +3.13% - +8.47%
10th Percentile £219 £229 £234
90th Percentile £601 £523 £550
UK median daily rate £400 £400 £400
Number of hourly rates quoted 8 13 18
England median hourly rate £29.10 £17.00 £21.53
Median hourly rate % change year-on-year +71.15% -21.02% +59.44%
10th Percentile £12.20 £9.40 £10.00
90th Percentile £47.50 £40.90 £35.63
UK median hourly rate £29.10 £17.00 £21.01
% change year-on-year +71.15% -19.07% +50.04%

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 80532 80892 84761
As % of all contract IT jobs advertised in England 84.69% 84.19% 82.31%
Number of daily rates quoted 54292 53866 55971
England median daily rate £450 £430 £425
Median daily rate % change year-on-year +4.65% +1.18% +6.25%
10th Percentile £288 £266 £263
90th Percentile £638 £613 £600
UK median daily rate £450 £425 £420
% change year-on-year +5.88% +1.19% +5.00%
Number of hourly rates quoted 1834 2152 2528
England median hourly rate £25.00 £24.36 £22.00
Median hourly rate % change year-on-year +2.65% +10.70% +15.79%
10th Percentile £11.25 £11.25 £11.25
90th Percentile £49.75 £48.00 £47.50
UK median hourly rate £24.99 £24.00 £22.50
% change year-on-year +4.13% +6.67% +15.38%

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 12 December 2017.

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 12 December 2017.

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 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
London +11 163 £413 -8.33% 28
South East -21 81 £400 +4.92% 5
North of England +58 49 £481 +28.33% 15
North West +21 36 £494 +42.09% 8
East of England -30 21 £394 +5.17% 7
South West +14 16 £413 +71.88% 6
Midlands +15 15 £350 -14.11% 6
West Midlands +6 11 £350 -1.82% 4
Yorkshire +28 10 £465 +9.41% 7
East Midlands -3 4 £316 -29.72% 2
North East +67 3 £225 -
Kalman Filter
UK

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 England region with a requirement for Kalman Filter.

1 115 (33.43%) Firewall
2 85 (24.71%) Windows
3 79 (22.97%) Cisco
4 74 (21.51%) Microsoft
5 70 (20.35%) Active Directory
6 65 (18.90%) Finance
7 56 (16.28%) DNS
7 56 (16.28%) Linux
8 55 (15.99%) SQL
9 53 (15.41%) Management Information System
9 53 (15.41%) Web Filtering
10 52 (15.12%) VPN
11 48 (13.95%) VMware
12 45 (13.08%) Email Filtering
13 44 (12.79%) VMware Infrastructure
14 43 (12.50%) Intrusion Detection
14 43 (12.50%) DHCP
15 41 (11.92%) Citrix
16 39 (11.34%) Agile Software Development
16 39 (11.34%) Windows Server
17 38 (11.05%) Analytics
17 38 (11.05%) Internet
18 37 (10.76%) Analytical Skills
19 36 (10.47%) TCP/IP
19 36 (10.47%) Python
20 35 (10.17%) Network Security
21 33 (9.59%) Office 365
22 31 (9.01%) SIEM
22 31 (9.01%) Migration
22 31 (9.01%) WAN

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 29 (8.43%) MS Exchange
2 25 (7.27%) SharePoint
3 18 (5.23%) Apache Spark
4 12 (3.49%) Exchange Server 2010
4 12 (3.49%) Exchange Server 2013
4 12 (3.49%) Skype for Business
5 11 (3.20%) CMS
6 8 (2.33%) Elasticsearch
7 7 (2.03%) Tomcat
8 6 (1.74%) Apache
8 6 (1.74%) Confluence
8 6 (1.74%) WordPress
9 5 (1.45%) MQSeries
9 5 (1.45%) WebLogic
10 2 (0.58%) IBM Notes
10 2 (0.58%) IIS
10 2 (0.58%) JBoss
10 2 (0.58%) SAS
10 2 (0.58%) SharePoint 2010
10 2 (0.58%) WebLogic Portal
Applications
1 24 (6.98%) Microsoft Excel
2 16 (4.65%) MS Visio
3 15 (4.36%) Microsoft PowerPoint
4 14 (4.07%) Microsoft Office
5 10 (2.91%) Microsoft Project
6 5 (1.45%) Adobe Creative Suite
6 5 (1.45%) Photoshop
6 5 (1.45%) Spreadsheet
7 3 (0.87%) GNU Octave
8 2 (0.58%) SPSS
9 1 (0.29%) InfoPath
9 1 (0.29%) OrCAD
9 1 (0.29%) Simulink
9 1 (0.29%) Stata
Business Applications
1 3 (0.87%) Remedy ITSM
1 3 (0.87%) SAP IS-U
2 1 (0.29%) Actimize
2 1 (0.29%) Eagle PACE
2 1 (0.29%) Markit EDM
2 1 (0.29%) Primavera
2 1 (0.29%) Salesforce.com CRM
Cloud Services
1 33 (9.59%) Office 365
2 28 (8.14%) Amazon AWS
3 20 (5.81%) Microsoft Azure
4 7 (2.03%) Mimecast
5 6 (1.74%) Azure Active Directory
5 6 (1.74%) OneDrive
6 5 (1.45%) Amazon EC2
6 5 (1.45%) Google Cloud Platform
7 4 (1.16%) Amazon CloudWatch
7 4 (1.16%) Amazon ELB
7 4 (1.16%) Amazon S3
7 4 (1.16%) Serverless
8 3 (0.87%) G Suite
9 2 (0.58%) Datadog
9 2 (0.58%) SaaS
9 2 (0.58%) Virtual Private Cloud
10 1 (0.29%) GitHub
10 1 (0.29%) PaaS
10 1 (0.29%) Route 53
10 1 (0.29%) Trello
Communications & Networking
1 115 (33.43%) Firewall
2 56 (16.28%) DNS
3 52 (15.12%) VPN
4 43 (12.50%) DHCP
4 43 (12.50%) Intrusion Detection
5 38 (11.05%) Internet
6 36 (10.47%) TCP/IP
7 35 (10.17%) Network Security
8 31 (9.01%) LAN
8 31 (9.01%) WAN
9 29 (8.43%) SSL
10 27 (7.85%) Wireless
11 24 (6.98%) SAN
12 21 (6.10%) Cisco ASA
13 20 (5.81%) IPsec
13 20 (5.81%) NetScaler
14 14 (4.07%) BGP
14 14 (4.07%) Intranet
15 11 (3.20%) NAS
15 11 (3.20%) VLAN
Database & Business Intelligence
1 30 (8.72%) SQL Server
2 25 (7.27%) Hadoop
3 23 (6.69%) Big Data
4 16 (4.65%) Apache Hive
4 16 (4.65%) SQL Server Integration Services
5 15 (4.36%) Data Warehouse
5 15 (4.36%) Relational Database
6 13 (3.78%) SQL Server 2008
7 12 (3.49%) Data Mining
7 12 (3.49%) Impala
8 8 (2.33%) BusinessObjects
8 8 (2.33%) MySQL
9 7 (2.03%) NoSQL
9 7 (2.03%) RDBMS
10 4 (1.16%) BigQuery
10 4 (1.16%) Neo4j
11 3 (0.87%) Amazon Redshift
11 3 (0.87%) Oracle Database
11 3 (0.87%) Power BI
12 2 (0.58%) SQL Server 2012
Development Applications
1 18 (5.23%) Git (software)
2 13 (3.78%) JIRA
3 10 (2.91%) Bitbucket
3 10 (2.91%) Jenkins
4 5 (1.45%) Subversion
4 5 (1.45%) Visual Studio
5 3 (0.87%) Ant
6 2 (0.58%) Babel
6 2 (0.58%) FxCop
6 2 (0.58%) Grunt
6 2 (0.58%) SonarQube
6 2 (0.58%) Sonatype Nexus
6 2 (0.58%) Zephyr
7 1 (0.29%) JUnit
7 1 (0.29%) Maven
7 1 (0.29%) Mockito
7 1 (0.29%) MSI
7 1 (0.29%) Visual Composer
General
1 65 (18.90%) Finance
2 23 (6.69%) Banking
3 19 (5.52%) Telecoms
4 17 (4.94%) Retail
5 10 (2.91%) Marketing
6 8 (2.33%) Electronics
7 6 (1.74%) Investment Banking
8 5 (1.45%) Back Office
8 5 (1.45%) Billing
8 5 (1.45%) Legal
8 5 (1.45%) Pharmaceutical
9 4 (1.16%) Publishing
10 3 (0.87%) Advertising
10 3 (0.87%) Corporate Banking
10 3 (0.87%) Manufacturing
11 2 (0.58%) Aerospace
11 2 (0.58%) Financial Institution
11 2 (0.58%) Military
12 1 (0.29%) Automotive
Job Titles
1 54 (15.70%) Analyst
2 36 (10.47%) Network Engineer
3 35 (10.17%) Architect
3 35 (10.17%) Developer
4 31 (9.01%) Security Engineer
5 22 (6.40%) Consultant
6 20 (5.81%) Infrastructure Engineer
7 15 (4.36%) Support Analyst
8 14 (4.07%) 3rd Line Support
8 14 (4.07%) Business Analyst
8 14 (4.07%) Information Architect
8 14 (4.07%) Network Security Engineer
9 12 (3.49%) Security Manager
10 11 (3.20%) 3rd Line Engineer
10 11 (3.20%) Administrator
10 11 (3.20%) Big Data Engineer
10 11 (3.20%) Data Engineer
10 11 (3.20%) Hadoop Engineer
10 11 (3.20%) Security Analyst
10 11 (3.20%) Security Consultant
Libraries, Frameworks & Software Standards
1 20 (5.81%) Regular Expression
2 15 (4.36%) Web Services
3 11 (3.20%) JSP
4 9 (2.62%) CSS
4 9 (2.62%) HTML
5 8 (2.33%) J2EE
5 8 (2.33%) jQuery
5 8 (2.33%) Sass
6 7 (2.03%) CSS3
6 7 (2.03%) HTML5
6 7 (2.03%) XML
7 6 (1.74%) FIX Protocol
7 6 (1.74%) Twitter Bootstrap
8 5 (1.45%) LAMP
8 5 (1.45%) Middleware
8 5 (1.45%) Node.js
8 5 (1.45%) REST
8 5 (1.45%) Spring
9 4 (1.16%) .NET
9 4 (1.16%) NumPy
Miscellaneous
1 53 (15.41%) Management Information System
2 37 (10.76%) Analytical Skills
3 17 (4.94%) Computer Science
4 14 (4.07%) Data Centre
5 11 (3.20%) Taxonomies
6 10 (2.91%) Replication
6 10 (2.91%) SWIFT
7 9 (2.62%) Distributed Denial-of-Service
7 9 (2.62%) User Experience
8 7 (2.03%) Algorithms
8 7 (2.03%) Blackberry
9 6 (1.74%) Public Cloud
10 5 (1.45%) BYOD
10 5 (1.45%) Fedwire
10 5 (1.45%) Fintech
10 5 (1.45%) PKI
10 5 (1.45%) Video Conferencing
11 4 (1.16%) Cyber Attack
11 4 (1.16%) Music Streaming
11 4 (1.16%) Security Operations Centre
Operating Systems
1 85 (24.71%) Windows
2 56 (16.28%) Linux
3 39 (11.34%) Windows Server
4 29 (8.43%) Unix
5 21 (6.10%) Windows Server 2012
6 17 (4.94%) Red Hat Enterprise Linux
7 16 (4.65%) CentOS
8 15 (4.36%) Solaris
8 15 (4.36%) Windows Server 2008
9 9 (2.62%) Windows 7
10 7 (2.03%) Windows 10
11 5 (1.45%) AIX
11 5 (1.45%) Android
11 5 (1.45%) SUSE
12 4 (1.16%) Windows Server 2003
13 2 (0.58%) Mac OS X
14 1 (0.29%) CatOS
14 1 (0.29%) Mac OS X Server
14 1 (0.29%) VxWorks
14 1 (0.29%) Windows XP
Processes & Methodologies
1 53 (15.41%) Web Filtering
2 45 (13.08%) Email Filtering
3 39 (11.34%) Agile Software Development
4 38 (11.05%) Analytics
5 31 (9.01%) Migration
5 31 (9.01%) SIEM
6 29 (8.43%) Information Security
6 29 (8.43%) ITIL
7 25 (7.27%) Change Management
8 24 (6.98%) Business Intelligence
8 24 (6.98%) Data Modelling
9 21 (6.10%) Continuous Improvement
10 20 (5.81%) ETL
10 20 (5.81%) Patch Management
11 19 (5.52%) Service Management
12 18 (5.23%) Security Operations
12 18 (5.23%) Statistics
12 18 (5.23%) Vulnerability Management
13 17 (4.94%) Vulnerability Scanning
14 16 (4.65%) Load Balancing
Programming Languages
1 55 (15.99%) SQL
2 36 (10.47%) Python
3 23 (6.69%) JavaScript
4 22 (6.40%) Java
5 14 (4.07%) PowerShell
6 9 (2.62%) Perl
7 8 (2.33%) C++
7 8 (2.33%) R
8 7 (2.03%) Ruby
9 6 (1.74%) C
10 5 (1.45%) C#
10 5 (1.45%) PHP
10 5 (1.45%) PL/SQL
11 4 (1.16%) Bash Shell
11 4 (1.16%) Shell Script
11 4 (1.16%) VB
12 3 (0.87%) ES6
12 3 (0.87%) MATLAB
12 3 (0.87%) VBScript
13 2 (0.58%) Groovy
Qualifications
1 28 (8.14%) Security Cleared
2 21 (6.10%) Degree
3 19 (5.52%) Cisco Certification
4 18 (5.23%) SC Cleared
5 16 (4.65%) Microsoft Certification
6 15 (4.36%) CISSP
7 13 (3.78%) CCNA
8 12 (3.49%) CCNP
9 11 (3.20%) MCSE
10 8 (2.33%) CCIE
10 8 (2.33%) DV Cleared
11 7 (2.03%) CISM
12 6 (1.74%) MCITP
13 5 (1.45%) CISA
13 5 (1.45%) Computer Science Degree
13 5 (1.45%) DBS Check
13 5 (1.45%) ITIL Certification
13 5 (1.45%) PhD
14 4 (1.16%) MCSA
15 3 (0.87%) CCSA
Quality Assurance & Compliance
1 18 (5.23%) ISO/IEC 27001
2 17 (4.94%) PCI DSS
3 9 (2.62%) PMO
3 9 (2.62%) SLA
4 8 (2.33%) Sarbanes-Oxley
5 7 (2.03%) RMADS
6 6 (1.74%) Data Quality
6 6 (1.74%) GDPR
7 5 (1.45%) SEPA
8 3 (0.87%) COBIT
8 3 (0.87%) QA
9 2 (0.58%) HIPAA
10 1 (0.29%) Disclosure Scotland
10 1 (0.29%) FedRAMP
10 1 (0.29%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 1 (0.29%) MiFID
10 1 (0.29%) MISRA
10 1 (0.29%) MISRA C
10 1 (0.29%) NIST 800
System Software
1 70 (20.35%) Active Directory
2 44 (12.79%) VMware Infrastructure
3 17 (4.94%) Hyper-V
4 13 (3.78%) vSphere
5 10 (2.91%) BitLocker
5 10 (2.91%) Virtual Machines
6 9 (2.62%) iptables
7 8 (2.33%) Terminal Services
8 7 (2.03%) VMware ESXi
9 5 (1.45%) XenApp
10 3 (0.87%) Apache ZooKeeper
10 3 (0.87%) IAG
10 3 (0.87%) Virtual Servers
10 3 (0.87%) VirtualBox
11 2 (0.58%) Docker
11 2 (0.58%) Sendmail
11 2 (0.58%) UAG
11 2 (0.58%) VMware Server
11 2 (0.58%) XenDesktop
12 1 (0.29%) Samba
Systems Management
1 20 (5.81%) SCCM
2 11 (3.20%) Oozie
3 10 (2.91%) Systems Management Server (SMS)
4 9 (2.62%) Backup Exec
5 8 (2.33%) Nagios
5 8 (2.33%) Puppet
6 7 (2.03%) Ansible
6 7 (2.03%) Nessus
6 7 (2.03%) Network Intrusion Detection System
7 6 (1.74%) McAfee ePO
7 6 (1.74%) Opscode Chef
7 6 (1.74%) Symantec Enterprise Vault
7 6 (1.74%) WSUS
8 5 (1.45%) Cacti
8 5 (1.45%) Forefront Identity Manager
9 4 (1.16%) FortiGate
9 4 (1.16%) Microsoft Intune
9 4 (1.16%) NetBackup
9 4 (1.16%) SCOM
9 4 (1.16%) SELinux
Vendors
1 79 (22.97%) Cisco
2 74 (21.51%) Microsoft
3 48 (13.95%) VMware
4 41 (11.92%) Citrix
5 29 (8.43%) CheckPoint
6 25 (7.27%) HP
7 16 (4.65%) Dell
8 14 (4.07%) Oracle
8 14 (4.07%) Palo Alto
8 14 (4.07%) Splunk
9 13 (3.78%) Forcepoint
9 13 (3.78%) Juniper
10 12 (3.49%) NetApp
10 12 (3.49%) Symantec
11 11 (3.20%) Extreme Networks
11 11 (3.20%) SolarWinds
11 11 (3.20%) Veeam
12 10 (2.91%) McAfee
12 10 (2.91%) SAP
13 9 (2.62%) MicroStrategy