The table below looks at the statistics for tcpdump skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited tcpdump over the 3 months to 30 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
30 Sep 2016
Same period 2015 Same period 2014
tcpdump
Rank 428 441 421
Rank change year-on-year
+13 -20
Contract jobs citing tcpdump 2 5 16
As % of all contract IT jobs located in London 0.009% 0.021% 0.065%
As % of the Communications & Networking category 0.061% 0.17% 0.49%
Number of daily rates quoted 1 3 11
Median daily rate £400 £500 £475
Median daily rate % change year-on-year
-20.00% +5.26%
UK excluding London median daily rate £400 £350 £350
% change year-on-year
+14.28% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
tcpdump
England

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in contract jobs advertised in the London region.

Communications & Networking Category
London
Contract IT job ads with a match in the
Communications & Networking category
3264 2864 3250
As % of all contract IT jobs located in London 14.30% 12.30% 13.17%
Number of daily rates quoted 2100 1896 2089
Median daily rate £440 £420 £400
Median daily rate % change year-on-year
+4.76% +5.00%
90% offered a daily rate of more than £275 £250 £240
10% offered a daily rate of more than £563 £525 £550
UK excluding London median daily rate £363 £363 £345
% change year-on-year
- +5.07%
Number of hourly rates quoted 82 83 92
Median hourly rate £20.00 £17.50 £23.00
Median hourly rate % change year-on-year
+14.28% -23.91%
90% offered a hourly rate of more than £12.50 £12.00 £14.50
10% offered a hourly rate of more than £50.00 £43.00 £45.00
UK excluding London median hourly rate £29.00 £21.01 £22.50
% change year-on-year
+38.06% -6.64%

tcpdump
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing tcpdump as a proportion of all IT contracts with a match in the Communications & Networking category.

tcpdump Jobs Demand Trend in London

tcpdump
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing tcpdump across the London region.

tcpdump Daily Rate Trend in London

tcpdump
Hourly Rate Trend in London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing tcpdump across the London region.

tcpdump Hourly Rate Trend in London

tcpdump
Top 30 Related IT Skills in London

For the 6 months to 30 September 2016, IT contractor jobs citing tcpdump 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 London region with a requirement for tcpdump.

1 13 (92.86%) Wireshark
2 11 (78.57%) Firewall
3 8 (57.14%) TCP/IP
3 8 (57.14%) Network Security
4 7 (50.00%) Perl
4 7 (50.00%) Unix
4 7 (50.00%) Linux
5 6 (42.86%) ITIL
5 6 (42.86%) LDAP
5 6 (42.86%) Java
5 6 (42.86%) HTTP
5 6 (42.86%) NetApp
5 6 (42.86%) Red Hat
5 6 (42.86%) CheckPoint
5 6 (42.86%) Finance
5 6 (42.86%) VMware
5 6 (42.86%) Puppet
5 6 (42.86%) VMware Infrastructure
5 6 (42.86%) Splunk
5 6 (42.86%) Virtual Machines
6 5 (35.71%) Samba
6 5 (35.71%) iPad
6 5 (35.71%) F5
6 5 (35.71%) NAS
6 5 (35.71%) Load Balancing
6 5 (35.71%) IPsec
6 5 (35.71%) Shell Script
6 5 (35.71%) Nagios
6 5 (35.71%) VPN
6 5 (35.71%) HTTPS

tcpdump
Top Related IT Skills in London 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 5 (35.71%) MQSeries
Communications & Networking
1 13 (92.86%) Wireshark
2 11 (78.57%) Firewall
3 8 (57.14%) Network Security
3 8 (57.14%) TCP/IP
4 6 (42.86%) HTTP
4 6 (42.86%) LDAP
5 5 (35.71%) FTP
5 5 (35.71%) HTTPS
5 5 (35.71%) IPsec
5 5 (35.71%) NAS
5 5 (35.71%) VPN
6 1 (7.14%) CDMA
6 1 (7.14%) DNS
6 1 (7.14%) GSM
6 1 (7.14%) Intrusion Detection
6 1 (7.14%) iSCSI
6 1 (7.14%) SAN
6 1 (7.14%) SCCP
6 1 (7.14%) SIGTRAN
6 1 (7.14%) SS7
Database & Business Intelligence
1 1 (7.14%) GIS
Development Applications
1 1 (7.14%) Ant
1 1 (7.14%) CppUnit
1 1 (7.14%) Fiddler
1 1 (7.14%) GCC
1 1 (7.14%) Git (software)
1 1 (7.14%) Jenkins
1 1 (7.14%) JMeter
1 1 (7.14%) Subversion
General
1 6 (42.86%) Finance
2 1 (7.14%) Retail
2 1 (7.14%) Telecoms
Job Titles
1 4 (28.57%) Analyst
1 4 (28.57%) Incident Analyst
2 3 (21.43%) DevOps Engineer
3 2 (14.29%) IT Analyst
3 2 (14.29%) IT Security Analyst
3 2 (14.29%) Linux Engineer
3 2 (14.29%) Security Analyst
4 1 (7.14%) Consultant
4 1 (7.14%) Firewall Analyst
4 1 (7.14%) Network Consultant
4 1 (7.14%) Network Manager
4 1 (7.14%) Network Security Consultant
4 1 (7.14%) Network Security Manager
4 1 (7.14%) Security Consultant
4 1 (7.14%) Security Manager
4 1 (7.14%) Senior Incident Analyst
4 1 (7.14%) Senior Manager
4 1 (7.14%) Senior Network Manager
4 1 (7.14%) SOC Analyst
4 1 (7.14%) Tester
Libraries, Frameworks & Software Standards
1 5 (35.71%) J2EE
2 1 (7.14%) FIX Protocol
Miscellaneous
1 5 (35.71%) iPad
2 2 (14.29%) Computer Science
3 1 (7.14%) Algorithms
3 1 (7.14%) Cyberthreat
3 1 (7.14%) Data Centre
3 1 (7.14%) HP StoreVirtual
3 1 (7.14%) Management Information System
3 1 (7.14%) Performance Metrics
3 1 (7.14%) Security Operations Centre
Operating Systems
1 7 (50.00%) Linux
1 7 (50.00%) Unix
2 1 (7.14%) Oracle Linux
2 1 (7.14%) Red Hat Enterprise Linux
2 1 (7.14%) Windows
Processes & Methodologies
1 6 (42.86%) ITIL
2 5 (35.71%) Load Balancing
3 4 (28.57%) Digital Forensics
4 3 (21.43%) DevOps
5 2 (14.29%) Information Security
5 2 (14.29%) SIEM
6 1 (7.14%) Agile Software Development
6 1 (7.14%) Automated Testing
6 1 (7.14%) Configuration Management
6 1 (7.14%) Cybersecurity
6 1 (7.14%) Electronic Trading
6 1 (7.14%) Low Latency
6 1 (7.14%) Manual Testing
6 1 (7.14%) Network Design
6 1 (7.14%) Non-Functional Testing
6 1 (7.14%) Reverse Engineering
6 1 (7.14%) Service Delivery
6 1 (7.14%) Software Testing
6 1 (7.14%) Test Scripting
6 1 (7.14%) User Acceptance Testing
Programming Languages
1 7 (50.00%) Perl
2 6 (42.86%) Java
3 5 (35.71%) Python
3 5 (35.71%) Shell Script
4 2 (14.29%) Bash Shell
5 1 (7.14%) C++
5 1 (7.14%) PHP
5 1 (7.14%) Ruby
5 1 (7.14%) SQL
Qualifications
1 2 (14.29%) CFCE
1 2 (14.29%) Degree
1 2 (14.29%) EnCE
1 2 (14.29%) GCFA
1 2 (14.29%) GCFE
1 2 (14.29%) GIAC
2 1 (7.14%) CCIE
2 1 (7.14%) CCNP
2 1 (7.14%) CCSA
2 1 (7.14%) CEH
2 1 (7.14%) Cisco Certification
2 1 (7.14%) CISSP
2 1 (7.14%) GCIA
2 1 (7.14%) GCIH
2 1 (7.14%) RHCE
2 1 (7.14%) SSCP
Quality Assurance & Compliance
1 1 (7.14%) COBIT
System Software
1 6 (42.86%) Virtual Machines
1 6 (42.86%) VMware Infrastructure
2 5 (35.71%) Samba
3 3 (21.43%) Active Directory
4 1 (7.14%) Cygwin
4 1 (7.14%) NFS
4 1 (7.14%) Snort
4 1 (7.14%) VMware ESXi
Systems Management
1 6 (42.86%) Puppet
2 5 (35.71%) Nagios
3 4 (28.57%) EnCase
4 1 (7.14%) Nessus
4 1 (7.14%) QRadar
4 1 (7.14%) RSA Archer
Vendors
1 6 (42.86%) CheckPoint
1 6 (42.86%) NetApp
1 6 (42.86%) Red Hat
1 6 (42.86%) Splunk
1 6 (42.86%) VMware
2 5 (35.71%) F5
3 4 (28.57%) ArcSight
4 3 (21.43%) Rapid7
5 2 (14.29%) Cisco
6 1 (7.14%) 3PAR
6 1 (7.14%) Citrix
6 1 (7.14%) FireEye
6 1 (7.14%) Google
6 1 (7.14%) HP
6 1 (7.14%) IBM
6 1 (7.14%) Microsoft
6 1 (7.14%) Oracle
6 1 (7.14%) Qualys
6 1 (7.14%) Sourcefire
6 1 (7.14%) Symantec