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 31 July 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
31 Jul 2016
Same period 2015 Same period 2014
tcpdump
Rank 425 423 433
Rank change year-on-year
-2 +10
Contract jobs citing tcpdump 9 9 7
As % of all contract IT jobs located in London 0.041% 0.038% 0.030%
As % of the Communications & Networking category 0.28% 0.29% 0.24%
Number of daily rates quoted 5 5 4
Median daily rate £393 £450 £330
Median daily rate % change year-on-year
-12.77% +36.36%
90% offered a daily rate of more than £262 £325 £275
10% offered a daily rate of more than £411 £515 £403
UK excluding London median daily rate £375 £344 £325
% change year-on-year
+9.09% +5.76%
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
3219 3060 2922
As % of all contract IT jobs located in London 14.54% 13.03% 12.42%
Number of daily rates quoted 2159 1978 1815
Median daily rate £450 £413 £400
Median daily rate % change year-on-year
+9.09% +3.12%
90% offered a daily rate of more than £275 £250 £225
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £365 £350 £331
% change year-on-year
+4.28% +5.74%
Number of hourly rates quoted 48 107 88
Median hourly rate £21.00 £18.00 £20.00
Median hourly rate % change year-on-year
+16.66% -10.00%
90% offered a hourly rate of more than £11.00 £11.70 £14.00
10% offered a hourly rate of more than £52.68 £43.00 £45.00
UK excluding London median hourly rate £32.50 £21.53 £20.00
% change year-on-year
+50.98% +7.62%

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
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing tcpdump across the London region over the 3 months to 31 July 2016.

tcpdump Daily Rate Histogram 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
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing tcpdump within the London region over the 3 months to 31 July 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Croydon - 2 £393 -
Chiswick - 1 - -
tcpdump
England

tcpdump
Top 30 Related IT Skills in London

For the 6 months to 31 July 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 16 (76.19%) Wireshark
2 13 (61.90%) Linux
2 13 (61.90%) Firewall
3 10 (47.62%) Unix
3 10 (47.62%) Perl
4 9 (42.86%) Java
4 9 (42.86%) TCP/IP
4 9 (42.86%) Red Hat
5 8 (38.10%) Finance
5 8 (38.10%) Network Security
5 8 (38.10%) Splunk
6 7 (33.33%) VMware Infrastructure
6 7 (33.33%) Puppet
6 7 (33.33%) VMware
6 7 (33.33%) NetApp
6 7 (33.33%) CheckPoint
6 7 (33.33%) LDAP
7 6 (28.57%) VPN
7 6 (28.57%) HTTP
7 6 (28.57%) ITIL
7 6 (28.57%) Red Hat Enterprise Linux
7 6 (28.57%) Virtual Machines
8 5 (23.81%) EnCase
8 5 (23.81%) ArcSight
8 5 (23.81%) F5
8 5 (23.81%) NAS
8 5 (23.81%) Digital Forensics
8 5 (23.81%) Bash Shell
8 5 (23.81%) iPad
8 5 (23.81%) Load Balancing

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 (23.81%) MQSeries
2 2 (9.52%) JBoss
Communications & Networking
1 16 (76.19%) Wireshark
2 13 (61.90%) Firewall
3 9 (42.86%) TCP/IP
4 8 (38.10%) Network Security
5 7 (33.33%) LDAP
6 6 (28.57%) HTTP
6 6 (28.57%) VPN
7 5 (23.81%) FTP
7 5 (23.81%) HTTPS
7 5 (23.81%) IPsec
7 5 (23.81%) NAS
8 3 (14.29%) NetScaler
9 2 (9.52%) Cisco Nexus
9 2 (9.52%) DNS
9 2 (9.52%) Fibre Channel
9 2 (9.52%) iSCSI
9 2 (9.52%) Multicast
9 2 (9.52%) SAN
10 1 (4.76%) Cisco ASA
10 1 (4.76%) VLAN
Database & Business Intelligence
1 2 (9.52%) GIS
1 2 (9.52%) VoltDB
2 1 (4.76%) Oracle Database
Development Applications
1 3 (14.29%) JMeter
2 2 (9.52%) Ant
2 2 (9.52%) GCC
2 2 (9.52%) Git (software)
2 2 (9.52%) Jenkins
2 2 (9.52%) Subversion
3 1 (4.76%) CppUnit
3 1 (4.76%) Fiddler
General
1 8 (38.10%) Finance
2 3 (14.29%) Retail
3 2 (9.52%) Banking
4 1 (4.76%) Telecoms
Job Titles
1 6 (28.57%) Analyst
2 5 (23.81%) Incident Analyst
3 3 (14.29%) DevOps Engineer
3 3 (14.29%) Linux Engineer
3 3 (14.29%) Security Analyst
4 2 (9.52%) Developer
4 2 (9.52%) IT Analyst
4 2 (9.52%) IT Security Analyst
4 2 (9.52%) Java Developer
4 2 (9.52%) Senior Analyst
4 2 (9.52%) Senior Developer
4 2 (9.52%) Senior Incident Analyst
4 2 (9.52%) Senior Java Developer
5 1 (4.76%) Consultant
5 1 (4.76%) Network Consultant
5 1 (4.76%) Security Consultant
5 1 (4.76%) Senior Linux Engineer
5 1 (4.76%) Senior Manager
5 1 (4.76%) Support Specialist
5 1 (4.76%) Tester
Libraries, Frameworks & Software Standards
1 5 (23.81%) J2EE
2 4 (19.05%) FIX Protocol
3 2 (9.52%) Java EE
4 1 (4.76%) CSS
Miscellaneous
1 5 (23.81%) iPad
2 3 (14.29%) Computer Science
3 2 (9.52%) Cyberthreat
3 2 (9.52%) Equities
3 2 (9.52%) HP StoreVirtual
4 1 (4.76%) Algorithms
4 1 (4.76%) Data Centre
4 1 (4.76%) Hedge funds
4 1 (4.76%) Management Information System
4 1 (4.76%) Performance Metrics
4 1 (4.76%) Security Operations Centre
Operating Systems
1 13 (61.90%) Linux
2 10 (47.62%) Unix
3 6 (28.57%) Red Hat Enterprise Linux
4 3 (14.29%) Windows
5 2 (9.52%) Oracle Linux
6 1 (4.76%) CentOS
Processes & Methodologies
1 6 (28.57%) ITIL
2 5 (23.81%) Digital Forensics
2 5 (23.81%) Load Balancing
3 3 (14.29%) DevOps
3 3 (14.29%) Information Security
3 3 (14.29%) Low Latency
4 2 (9.52%) Configuration Management
4 2 (9.52%) Electronic Trading
4 2 (9.52%) High Availability
4 2 (9.52%) Network Packet Analysis
4 2 (9.52%) Performance Testing
4 2 (9.52%) Performance Tuning
4 2 (9.52%) Service Delivery
4 2 (9.52%) SIEM
4 2 (9.52%) Vulnerability Scanning
5 1 (4.76%) Manual Testing
5 1 (4.76%) Regression Testing
5 1 (4.76%) Software Testing
5 1 (4.76%) Test Scripting
5 1 (4.76%) User Acceptance Testing
Programming Languages
1 10 (47.62%) Perl
2 9 (42.86%) Java
3 5 (23.81%) Bash Shell
3 5 (23.81%) Python
3 5 (23.81%) Shell Script
4 2 (9.52%) PHP
4 2 (9.52%) Ruby
5 1 (4.76%) C++
5 1 (4.76%) SQL
Qualifications
1 3 (14.29%) CFCE
1 3 (14.29%) Degree
1 3 (14.29%) EnCE
1 3 (14.29%) GCFA
1 3 (14.29%) GCFE
1 3 (14.29%) GIAC
2 2 (9.52%) CCIE
2 2 (9.52%) Cisco Certification
2 2 (9.52%) RHCE
3 1 (4.76%) CCNP
3 1 (4.76%) CCSA
3 1 (4.76%) CCSE
3 1 (4.76%) CEH
3 1 (4.76%) CISSP
3 1 (4.76%) GCIA
3 1 (4.76%) GCIH
3 1 (4.76%) SSCP
Quality Assurance & Compliance
1 1 (4.76%) COBIT
System Software
1 7 (33.33%) VMware Infrastructure
2 6 (28.57%) Virtual Machines
3 5 (23.81%) Active Directory
3 5 (23.81%) Samba
4 2 (9.52%) NFS
4 2 (9.52%) VMware ESXi
5 1 (4.76%) Cygwin
5 1 (4.76%) Snort
Systems Management
1 7 (33.33%) Puppet
2 5 (23.81%) EnCase
2 5 (23.81%) Nagios
3 1 (4.76%) Nessus
3 1 (4.76%) QRadar
3 1 (4.76%) RSA Archer
Vendors
1 9 (42.86%) Red Hat
2 8 (38.10%) Splunk
3 7 (33.33%) CheckPoint
3 7 (33.33%) NetApp
3 7 (33.33%) VMware
4 5 (23.81%) ArcSight
4 5 (23.81%) F5
5 4 (19.05%) Oracle
5 4 (19.05%) Rapid7
6 3 (14.29%) Cisco
6 3 (14.29%) Citrix
7 2 (9.52%) 3PAR
7 2 (9.52%) HP
7 2 (9.52%) Microsoft
8 1 (4.76%) FireEye
8 1 (4.76%) Fixnetix
8 1 (4.76%) IBM
8 1 (4.76%) Palo Alto
8 1 (4.76%) Sourcefire
8 1 (4.76%) Symantec