Period
to 17 January 2018

The following table provides summary statistics for contract job vacancies advertised in 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 17 January 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.

tcpdump
England > London
6 months to
17 Jan 2018
Same period 2017 Same period 2016
Rank 591 592 593
Rank change year-on-year +1 +1 -19
Contract jobs citing tcpdump 36 15 8
As % of all contract IT jobs advertised in London 0.077% 0.036% 0.018%
As % of the Communications & Networking category 0.67% 0.26% 0.15%
Number of daily rates quoted 27 10 6
London median daily rate £450 £456 £513
Median daily rate % change year-on-year -1.37% -10.98% +20.38%
10th Percentile £349 £411 £428
90th Percentile £510 £530 £554
England median daily rate £450 £425 £363
% change year-on-year +5.88% +17.24% -3.33%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Contract vacancies with a requirement for communications or computer networking skills 5,369 5,674 5,395
As % of all contract IT jobs advertised in London 11.55% 13.49% 12.42%
Number of daily rates quoted 3,667 3,701 3,546
London median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +6.25%
10th Percentile £213 £260 £225
90th Percentile £625 £600 £600
England median daily rate £410 £402 £400
% change year-on-year +1.99% +0.50% +6.67%
Number of hourly rates quoted 145 148 160
London median hourly rate £18.70 £19.25 £22.50
Median hourly rate % change year-on-year -2.86% -14.44% +20.32%
10th Percentile £12.20 £12.50 £12.23
90th Percentile £47.83 £50.00 £45.00
England median hourly rate £18.70 £22.50 £22.00
% change year-on-year -16.89% +2.27% +8.64%

tcpdump
Job Vacancy Trend in London

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

Job vacancy trend for tcpdump in London

tcpdump
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for tcpdump in London

tcpdump
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing tcpdump in London over the 6 months to 17 January 2018.

Contractor daily rate histogram for tcpdump in London

tcpdump
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for tcpdump 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 6 months to 17 January 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
East London -6 6 £475 +5.56% 1
Central London -9 6 £463 +3.93% 1
West London - 3 £318 - 1
South London - 1 £418 -
tcpdump
England

For the 6 months to 17 January 2018, 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 21 (58.33%) Wireshark
2 18 (50.00%) Firewall
2 18 (50.00%) Linux
2 18 (50.00%) TCP/IP
3 15 (41.67%) Red Hat
3 15 (41.67%) Red Hat Enterprise Linux
3 15 (41.67%) iptables
4 14 (38.89%) Cisco ASA
4 14 (38.89%) MPLS
4 14 (38.89%) Cisco
5 13 (36.11%) Unix
5 13 (36.11%) Windows
5 13 (36.11%) Perl
6 12 (33.33%) Apache
6 12 (33.33%) VPN
6 12 (33.33%) IPsec
7 11 (30.56%) Network Security
7 11 (30.56%) Bash Shell
8 10 (27.78%) Data Centre
8 10 (27.78%) Tomcat
9 9 (25.00%) BGP
9 9 (25.00%) Degree
9 9 (25.00%) Network Design
9 9 (25.00%) Telecoms
9 9 (25.00%) Agile Software Development
9 9 (25.00%) Cisco Nexus
9 9 (25.00%) SELinux
10 8 (22.22%) F5
10 8 (22.22%) snoop
10 8 (22.22%) Amazon AWS

tcpdump
Co-occurring 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 12 (33.33%) Apache
2 10 (27.78%) Tomcat
3 8 (22.22%) WebLogic
4 6 (16.67%) JBoss
5 2 (5.56%) IIS
5 2 (5.56%) WebSphere
6 1 (2.78%) MQSeries
Cloud Services
1 8 (22.22%) Amazon AWS
2 6 (16.67%) GitHub
Communications & Networking
1 21 (58.33%) Wireshark
2 18 (50.00%) Firewall
2 18 (50.00%) TCP/IP
3 14 (38.89%) Cisco ASA
3 14 (38.89%) MPLS
4 12 (33.33%) IPsec
4 12 (33.33%) VPN
5 11 (30.56%) Network Security
6 9 (25.00%) BGP
6 9 (25.00%) Cisco Nexus
7 8 (22.22%) DNS
7 8 (22.22%) HTTP
7 8 (22.22%) snoop
8 6 (16.67%) SMTP
9 5 (13.89%) DHCP
9 5 (13.89%) NAS
10 4 (11.11%) 3G
10 4 (11.11%) Fibre Channel
10 4 (11.11%) SAN
10 4 (11.11%) VLAN
Development Applications
1 6 (16.67%) Jenkins
1 6 (16.67%) Vagrant
General
1 9 (25.00%) Telecoms
2 6 (16.67%) Finance
3 2 (5.56%) Banking
Job Titles
1 15 (41.67%) Network Engineer
2 9 (25.00%) Network Security Engineer
2 9 (25.00%) Security Engineer
3 6 (16.67%) Telecoms Engineer
4 5 (13.89%) Cisco Engineer
4 5 (13.89%) Cisco Network Engineer
4 5 (13.89%) Cisco Security Engineer
4 5 (13.89%) Systems Engineer
4 5 (13.89%) Unix Engineer
5 4 (11.11%) Analyst
5 4 (11.11%) Unix Systems Engineer
6 3 (8.33%) Administrator
6 3 (8.33%) DevOps Engineer
6 3 (8.33%) Linux Administrator
6 3 (8.33%) Linux Engineer
6 3 (8.33%) Linux Systems Administrator
6 3 (8.33%) Security Analyst
6 3 (8.33%) SOC Analyst
6 3 (8.33%) Support Specialist
6 3 (8.33%) Systems Administrator
Libraries, Frameworks & Software Standards
1 4 (11.11%) FIX Protocol
2 3 (8.33%) 802.1X
3 2 (5.56%) .NET
4 1 (2.78%) J2EE
4 1 (2.78%) Regular Expression
Miscellaneous
1 10 (27.78%) Data Centre
2 7 (19.44%) Computer Science
3 6 (16.67%) Enterprise Software
4 4 (11.11%) Analytical Skills
4 4 (11.11%) EMC VMAX
4 4 (11.11%) Equities
5 1 (2.78%) Hedge funds
5 1 (2.78%) iPad
5 1 (2.78%) Management Information System
5 1 (2.78%) Security Operations Centre
Operating Systems
1 18 (50.00%) Linux
2 15 (41.67%) Red Hat Enterprise Linux
3 13 (36.11%) Unix
3 13 (36.11%) Windows
4 4 (11.11%) Solaris
Processes & Methodologies
1 9 (25.00%) Agile Software Development
1 9 (25.00%) Network Design
2 7 (19.44%) Change Management
2 7 (19.44%) Kalman Filter
2 7 (19.44%) Test Automation
3 6 (16.67%) DevOps
3 6 (16.67%) Server Building
3 6 (16.67%) Time Management
4 5 (13.89%) Load Balancing
5 4 (11.11%) High Availability
5 4 (11.11%) Low Latency
5 4 (11.11%) Open Source
6 3 (8.33%) Data Analysis
6 3 (8.33%) Incident Management
6 3 (8.33%) Information Security
6 3 (8.33%) ITIL
6 3 (8.33%) Migration
6 3 (8.33%) Network Monitoring
6 3 (8.33%) SIEM
7 2 (5.56%) Service Delivery
Programming Languages
1 13 (36.11%) Perl
2 11 (30.56%) Bash Shell
3 7 (19.44%) Python
4 6 (16.67%) Java
4 6 (16.67%) Ruby
5 3 (8.33%) Jython
6 2 (5.56%) C
7 1 (2.78%) Shell Script
Qualifications
1 9 (25.00%) Degree
2 1 (2.78%) AWS Certification
2 1 (2.78%) CCIE
2 1 (2.78%) CCIE Security
2 1 (2.78%) CEH
2 1 (2.78%) Cisco Certification
2 1 (2.78%) CISSP
2 1 (2.78%) GCIA
2 1 (2.78%) GCIH
System Software
1 15 (41.67%) iptables
2 6 (16.67%) Active Directory
3 3 (8.33%) Docker
4 1 (2.78%) BitLocker
4 1 (2.78%) Samba
4 1 (2.78%) Virtual Machines
4 1 (2.78%) VMware Infrastructure
Systems Management
1 9 (25.00%) SELinux
2 6 (16.67%) Ansible
3 4 (11.11%) Backup Exec
3 4 (11.11%) NetBackup
4 2 (5.56%) FortiGate
5 1 (2.78%) CSIRT
5 1 (2.78%) Icinga
5 1 (2.78%) Nagios
5 1 (2.78%) Puppet
Vendors
1 15 (41.67%) Red Hat
2 14 (38.89%) Cisco
3 8 (22.22%) F5
4 7 (19.44%) HP
5 5 (13.89%) Juniper
6 4 (11.11%) CheckPoint
6 4 (11.11%) EMC
6 4 (11.11%) Sun
6 4 (11.11%) Symantec
7 2 (5.56%) Oracle
8 1 (2.78%) ArcSight
8 1 (2.78%) Citrix
8 1 (2.78%) Empirix
8 1 (2.78%) Ericsson
8 1 (2.78%) Infoblox
8 1 (2.78%) McAfee
8 1 (2.78%) Microsoft
8 1 (2.78%) NetApp
8 1 (2.78%) Nokia
8 1 (2.78%) VMware