Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for tcpdump skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited tcpdump over the 6 months to 22 November 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.

tcpdump
Central London > City of London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 252 - 268
Rank change year-on-year - +268 +26
Contract jobs citing tcpdump 5 0 3
As % of all contract IT jobs advertised in the City of London 0.070% - 0.033%
As % of the Communications & Networking category 0.66% - 0.27%
Number of daily rates quoted 5 0 0
City of London median daily rate £475 - -
Central London median daily rate £475 - -
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

tcpdump is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Contract vacancies with a requirement for communications or computer networking skills 754 970 1102
As % of all contract IT jobs advertised in the City of London 10.53% 14.48% 12.26%
Number of daily rates quoted 588 740 828
City of London median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +6.12%
10th Percentile £213 £286 £263
90th Percentile £638 £588 £575
Central London median daily rate £450 £450 £425
% change year-on-year - +5.88% +6.25%
Number of hourly rates quoted 12 14 30
City of London median hourly rate £17.00 £19.00 £17.74
Median hourly rate % change year-on-year -10.53% +7.10% -9.03%
10th Percentile £11.68 £11.50 £14.03
90th Percentile £23.52 £48.63 £30.33
Central London median hourly rate £17.00 £19.00 £17.74
% change year-on-year -10.53% +7.10% -6.63%

tcpdump
Job Vacancy Trend in the City of London

Job postings citing tcpdump as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for tcpdump in the City of London

tcpdump
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for tcpdump in the City of London

For the 6 months to 22 November 2017, 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 City of London region with a requirement for tcpdump.

1 4 (80.00%) TCP/IP
1 4 (80.00%) Time Management
1 4 (80.00%) Kalman Filter
1 4 (80.00%) iptables
2 3 (60.00%) Wireshark
3 2 (40.00%) Load Balancing
3 2 (40.00%) Computer Science
3 2 (40.00%) Agile Software Development
3 2 (40.00%) Change Management
3 2 (40.00%) Firewall
3 2 (40.00%) IPsec
3 2 (40.00%) Telecoms
3 2 (40.00%) NetBackup
3 2 (40.00%) Backup Exec
3 2 (40.00%) VPN
3 2 (40.00%) DNS
3 2 (40.00%) Cisco
3 2 (40.00%) Sun
3 2 (40.00%) Active Directory
3 2 (40.00%) HP
3 2 (40.00%) EMC
3 2 (40.00%) SAN
3 2 (40.00%) Red Hat
3 2 (40.00%) Intranet
3 2 (40.00%) Symantec
3 2 (40.00%) MPLS
3 2 (40.00%) BGP
3 2 (40.00%) Unix
3 2 (40.00%) Windows
3 2 (40.00%) Solaris

tcpdump
Co-occurring IT Skills in the City of 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 2 (40.00%) Apache
1 2 (40.00%) Tomcat
Communications & Networking
1 4 (80.00%) TCP/IP
2 3 (60.00%) Wireshark
3 2 (40.00%) BGP
3 2 (40.00%) Cisco ASA
3 2 (40.00%) Cisco Nexus
3 2 (40.00%) DHCP
3 2 (40.00%) DNS
3 2 (40.00%) Fibre Channel
3 2 (40.00%) Firewall
3 2 (40.00%) HTTP
3 2 (40.00%) Intranet
3 2 (40.00%) IPsec
3 2 (40.00%) MPLS
3 2 (40.00%) NAS
3 2 (40.00%) SAN
3 2 (40.00%) SMTP
3 2 (40.00%) snoop
3 2 (40.00%) VPN
4 1 (20.00%) Network Security
General
1 2 (40.00%) Telecoms
2 1 (20.00%) Banking
Job Titles
1 2 (40.00%) Network Engineer
1 2 (40.00%) Network Security Engineer
1 2 (40.00%) Security Engineer
1 2 (40.00%) Systems Engineer
1 2 (40.00%) Unix Engineer
1 2 (40.00%) Unix Systems Engineer
2 1 (20.00%) Analyst
2 1 (20.00%) Security Analyst
2 1 (20.00%) SOC Analyst
2 1 (20.00%) Unix Systems Administrator
Miscellaneous
1 2 (40.00%) Computer Science
1 2 (40.00%) Data Centre
1 2 (40.00%) EMC VMAX
Operating Systems
1 2 (40.00%) Linux
1 2 (40.00%) Red Hat Enterprise Linux
1 2 (40.00%) Solaris
1 2 (40.00%) Unix
1 2 (40.00%) Windows
Processes & Methodologies
1 4 (80.00%) Kalman Filter
1 4 (80.00%) Time Management
2 2 (40.00%) Agile Software Development
2 2 (40.00%) Capacity Planning
2 2 (40.00%) Change Management
2 2 (40.00%) Load Balancing
2 2 (40.00%) Network Design
2 2 (40.00%) Open Source
2 2 (40.00%) Test Automation
3 1 (20.00%) Continuous Improvement
3 1 (20.00%) Data Analysis
3 1 (20.00%) Data Loss Prevention
3 1 (20.00%) Incident Management
3 1 (20.00%) Information Security
3 1 (20.00%) SIEM
Qualifications
1 2 (40.00%) Degree
System Software
1 4 (80.00%) iptables
2 2 (40.00%) Active Directory
Systems Management
1 2 (40.00%) Backup Exec
1 2 (40.00%) NetBackup
1 2 (40.00%) SELinux
Vendors
1 2 (40.00%) Cisco
1 2 (40.00%) EMC
1 2 (40.00%) HP
1 2 (40.00%) Red Hat
1 2 (40.00%) Sun
1 2 (40.00%) Symantec