The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for tcpdump skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited tcpdump over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

tcpdump
England / London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 566 622 633
Rank change year-on-year +56 +11  
Permanent jobs citing tcpdump 11 33 30
As % of all permanent IT jobs advertised in London 0.033% 0.078% 0.070%
As % of the Communications & Networking category 0.21% 0.50% 0.39%
Number of salaries quoted 10 22 20
Median salary £71,250 £65,000 £45,000
Median salary % change year-on-year +9.61% +44.44%  
90% offered a salary of more than £39,750 £59,100 £34,500
10% offered a salary of more than £73,000 £84,000 £87,500
UK excluding London median salary £46,000 £55,000 £46,750
% change year-on-year -16.36% +17.64%  

tcpdump is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
London
Permanent job vacancies with a requirement for communications and computer networking skills 5293 6646 7713
As % of all permanent IT job vacancies advertised in London 15.69% 15.76% 17.98%
Number of salaries quoted 4473 5609 6442
Median salary £52,500 £51,000 £51,000
Median salary % change year-on-year +2.94% -  
90% offered a salary of more than £30,000 £31,000 £30,000
10% offered a salary of more than £75,000 £75,000 £72,500
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

tcpdump
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing tcpdump as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for tcpdump in London

tcpdump
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing tcpdump in London.

Salary trend for tcpdump in London

tcpdump
Salary Histogram in London

The salary distribution of IT jobs citing tcpdump in London over the 3 months to 28 March 2017.

Salary histogram for tcpdump in London

tcpdump
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing tcpdump within the London region over the 3 months to 28 March 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Feltham - 3 £40,000 - 1
City of London +37 1 £50,000 -41.17% 1
Surbiton +12 1 - - 1
tcpdump
England

For the 6 months to 28 March 2017, IT jobs citing tcpdump also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for tcpdump.

1 25 (96.15%) Wireshark
2 19 (73.08%) Firewall
3 16 (61.54%) VPN
3 16 (61.54%) Cisco
4 15 (57.69%) CCNP
4 15 (57.69%) Cisco Certification
4 15 (57.69%) CheckPoint
4 15 (57.69%) MPLS
4 15 (57.69%) F5
5 14 (53.85%) Linux
5 14 (53.85%) Unix
6 12 (46.15%) Cisco ASA
7 11 (42.31%) Degree
7 11 (42.31%) Juniper
7 11 (42.31%) DNS
7 11 (42.31%) Wireless
7 11 (42.31%) Data Centre
7 11 (42.31%) 802.1X
8 9 (34.62%) Security Monitoring
9 8 (30.77%) CCNP Voice
9 8 (30.77%) Cybersecurity
9 8 (30.77%) Network Monitoring
9 8 (30.77%) DSL
9 8 (30.77%) HP
9 8 (30.77%) Citrix
9 8 (30.77%) 3G
9 8 (30.77%) 802.11
9 8 (30.77%) Ethernet
9 8 (30.77%) HTTP
9 8 (30.77%) CCNA

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 4 (15.38%) Apache
2 3 (11.54%) Apache Pig
2 3 (11.54%) Apache Spark
3 1 (3.85%) nginx
3 1 (3.85%) OpenStack
3 1 (3.85%) Tomcat
Cloud Services
1 4 (15.38%) Amazon AWS
1 4 (15.38%) Virtual Private Cloud
2 3 (11.54%) Microsoft Azure
3 1 (3.85%) Amazon EC2
3 1 (3.85%) Amazon S3
Communications & Networking
1 25 (96.15%) Wireshark
2 19 (73.08%) Firewall
3 16 (61.54%) VPN
4 15 (57.69%) MPLS
5 12 (46.15%) Cisco ASA
6 11 (42.31%) DNS
6 11 (42.31%) Wireless
7 8 (30.77%) 3G
7 8 (30.77%) 802.11
7 8 (30.77%) ADSL
7 8 (30.77%) DSL
7 8 (30.77%) Ethernet
7 8 (30.77%) GPRS
7 8 (30.77%) HTTP
7 8 (30.77%) SDH
8 7 (26.92%) BGP
8 7 (26.92%) Cisco Nexus
8 7 (26.92%) EIGRP
8 7 (26.92%) IPsec
8 7 (26.92%) NetScaler
Database & Business Intelligence
1 7 (26.92%) Big Data
1 7 (26.92%) Hadoop
2 3 (11.54%) Apache Hive
3 1 (3.85%) Amazon RDS
3 1 (3.85%) MySQL
General
1 8 (30.77%) Games
2 3 (11.54%) Banking
2 3 (11.54%) Finance
2 3 (11.54%) Investment Banking
3 1 (3.85%) Legal
3 1 (3.85%) Telecoms
Job Titles
1 11 (42.31%) Network Engineer
2 10 (38.46%) Architect
3 6 (23.08%) Consultant
3 6 (23.08%) Security Architect
3 6 (23.08%) Security Consultant
4 4 (15.38%) Cybersecurity Architect
4 4 (15.38%) Network Architect
4 4 (15.38%) Senior Architect
4 4 (15.38%) Senior Network Architect
5 3 (11.54%) Big Data Architect
5 3 (11.54%) Big Data Consultant
5 3 (11.54%) Cisco Engineer
5 3 (11.54%) Cisco Network Engineer
5 3 (11.54%) Cybersecurity Consultant
5 3 (11.54%) Data Architect
5 3 (11.54%) Data Consultant
5 3 (11.54%) Hadoop Consultant
5 3 (11.54%) Juniper Engineer
6 2 (7.69%) Analyst
6 2 (7.69%) Senior Cisco Network Engineer
Libraries, Frameworks & Software Standards
1 11 (42.31%) 802.1X
2 4 (15.38%) CSS
3 3 (11.54%) SPNEGO
4 2 (7.69%) Regular Expression
5 1 (3.85%) LAMP
5 1 (3.85%) LEMP Stack
5 1 (3.85%) Memcached
5 1 (3.85%) Web Services
Miscellaneous
1 11 (42.31%) Data Centre
2 7 (26.92%) Algorithms
2 7 (26.92%) Analytical Skills
3 5 (19.23%) Linux Command Line
4 3 (11.54%) Clustering
4 3 (11.54%) Virtual Team
5 2 (7.69%) Computer Science
5 2 (7.69%) Management Information System
6 1 (3.85%) Foreign Exchange (FX)
6 1 (3.85%) Security Operations Centre
Operating Systems
1 14 (53.85%) Linux
1 14 (53.85%) Unix
2 7 (26.92%) Windows
3 1 (3.85%) CentOS
3 1 (3.85%) Debian
3 1 (3.85%) Red Hat Enterprise Linux
3 1 (3.85%) Ubuntu
3 1 (3.85%) Windows Server
Processes & Methodologies
1 9 (34.62%) Security Monitoring
2 8 (30.77%) Cybersecurity
2 8 (30.77%) Network Monitoring
3 4 (15.38%) Change Management
3 4 (15.38%) Enterprise Architecture
3 4 (15.38%) Incident Management
3 4 (15.38%) Load Balancing
3 4 (15.38%) Security Architecture
3 4 (15.38%) Stakeholder Management
4 3 (11.54%) Information Security
4 3 (11.54%) MapReduce
4 3 (11.54%) Network Management
4 3 (11.54%) Problem Management
4 3 (11.54%) Process Improvement
4 3 (11.54%) Qualitative Analysis
4 3 (11.54%) Requirements Analysis
4 3 (11.54%) Root Cause Analysis
4 3 (11.54%) Technical Architecture
4 3 (11.54%) Use Case
4 3 (11.54%) Visualisation
Programming Languages
1 2 (7.69%) Perl
1 2 (7.69%) PHP
2 1 (3.85%) Bash Shell
2 1 (3.85%) Python
2 1 (3.85%) Ruby
Qualifications
1 15 (57.69%) CCNP
1 15 (57.69%) Cisco Certification
2 11 (42.31%) Degree
3 8 (30.77%) CCNA
3 8 (30.77%) CCNP Voice
3 8 (30.77%) CCSA
4 6 (23.08%) CCIE
5 5 (19.23%) CISSP
6 4 (15.38%) CCDP
6 4 (15.38%) CCSE
6 4 (15.38%) CISM
7 1 (3.85%) CEH
7 1 (3.85%) CISA
7 1 (3.85%) GCIA
7 1 (3.85%) GCIH
7 1 (3.85%) GIAC
System Software
1 2 (7.69%) Active Directory
2 1 (3.85%) Varnish
Systems Management
1 3 (11.54%) QRadar
2 1 (3.85%) ArcSight ESM
2 1 (3.85%) CSIRT
2 1 (3.85%) Nmap
2 1 (3.85%) Puppet
2 1 (3.85%) Symantec Endpoint Protection
2 1 (3.85%) WSUS
Vendors
1 16 (61.54%) Cisco
2 15 (57.69%) CheckPoint
2 15 (57.69%) F5
3 11 (42.31%) Juniper
4 8 (30.77%) Citrix
4 8 (30.77%) HP
5 7 (26.92%) Cloudera
5 7 (26.92%) Hortonworks
5 7 (26.92%) Palo Alto
6 6 (23.08%) MapR
7 4 (15.38%) Cognizant
8 3 (11.54%) Aruba
8 3 (11.54%) Riverbed
8 3 (11.54%) Splunk
9 1 (3.85%) ArcSight
9 1 (3.85%) Blue Coat
9 1 (3.85%) Forcepoint
9 1 (3.85%) Intel Security
9 1 (3.85%) Symantec
City, London
Hudson IT
Salary: £70000 - £80000 per annum + bonus + pension
Posted: 4 days ago
Feltham
2M Employment Solutions
Salary: £35000.00 - £40000.00 per annum
Posted: 12 days ago
Surbiton
TUI Group Careers
Salary: Competitive
Posted: 12 days ago