Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for tcpdump skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited tcpdump over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

tcpdump
Central London > City of London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 325 351 420
Rank change year-on-year +26 +69 +47
Permanent jobs citing tcpdump 5 3 1
As % of all permanent IT jobs advertised in the City of London 0.049% 0.026% 0.006%
As % of the Communications & Networking category 0.34% 0.17% 0.040%
Number of salaries quoted 5 3 1
City of London median annual salary £50,000 £40,000 £45,000
Median salary % change year-on-year +25.00% -11.11% -21.74%
10th Percentile £34,250 £37,500 £42,500
90th Percentile £75,250 £42,500 £47,500
Central London median annual salary £50,000 £40,000 £45,000
% change year-on-year +25.00% -11.11% -25.00%

tcpdump is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent 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
Permanent vacancies with a requirement for communications or computer networking skills 1492 1791 2487
As % of all permanent IT jobs advertised in the City of London 14.66% 15.31% 14.38%
Number of salaries quoted 1333 1571 2133
City of London median annual salary £53,250 £55,000 £52,500
Median salary % change year-on-year -3.18% +4.76% +5.00%
10th Percentile £31,250 £30,783 £27,500
90th Percentile £80,000 £78,750 £79,750
Central London median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% -

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
Salary Trend in the City of London

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

Salary trend for tcpdump in the City of London

tcpdump
Salary Histogram in the City of London

The salary distribution of IT jobs citing tcpdump in the City of London over the 6 months to 18 November 2017.

Salary histogram for tcpdump in the City of London

For the 6 months to 18 November 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 City of London region with a requirement for tcpdump.

1 5 (100.00%) Firewall
2 4 (80.00%) Wireshark
3 3 (60.00%) Finance
3 3 (60.00%) VPN
3 3 (60.00%) Citrix
4 2 (40.00%) Cisco Certification
4 2 (40.00%) Juniper
4 2 (40.00%) MPLS
4 2 (40.00%) BGP
4 2 (40.00%) EIGRP
4 2 (40.00%) Cisco
4 2 (40.00%) CCNP
4 2 (40.00%) Unix
4 2 (40.00%) Windows
4 2 (40.00%) TCP/IP
4 2 (40.00%) Change Management
4 2 (40.00%) Information Security
4 2 (40.00%) IPsec
4 2 (40.00%) Vulnerability Assessment
4 2 (40.00%) Intrusion Detection
4 2 (40.00%) Data Analysis
4 2 (40.00%) Incident Management
4 2 (40.00%) F5
4 2 (40.00%) Vulnerability Management
4 2 (40.00%) Cisco Nexus
4 2 (40.00%) Malware Analysis
4 2 (40.00%) Data Centre
4 2 (40.00%) Security Operations
4 2 (40.00%) Multicast
4 2 (40.00%) Security Monitoring

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:

Cloud Services
1 1 (20.00%) Amazon AWS
1 1 (20.00%) Microsoft Azure
1 1 (20.00%) Virtual Private Cloud
Communications & Networking
1 5 (100.00%) Firewall
2 4 (80.00%) Wireshark
3 3 (60.00%) VPN
4 2 (40.00%) BGP
4 2 (40.00%) Cisco Nexus
4 2 (40.00%) EIGRP
4 2 (40.00%) Intrusion Detection
4 2 (40.00%) IPsec
4 2 (40.00%) MPLS
4 2 (40.00%) Multicast
4 2 (40.00%) TCP/IP
5 1 (20.00%) F5 BIG-IP LTM
5 1 (20.00%) GLBP
5 1 (20.00%) HSRP
5 1 (20.00%) LAN
5 1 (20.00%) LDAP
5 1 (20.00%) NetScaler
5 1 (20.00%) OSPF
5 1 (20.00%) WAN
5 1 (20.00%) Wireless
General
1 3 (60.00%) Finance
2 1 (20.00%) Banking
2 1 (20.00%) Financial Institution
2 1 (20.00%) Investment Banking
2 1 (20.00%) Telecoms
Job Titles
1 3 (60.00%) Network Engineer
2 2 (40.00%) Analyst
2 2 (40.00%) Security Analyst
3 1 (20.00%) Cisco Engineer
3 1 (20.00%) Cisco Network Engineer
3 1 (20.00%) Data Centre Engineer
3 1 (20.00%) Data Network Engineer
3 1 (20.00%) Financial Analyst
3 1 (20.00%) IT Analyst
3 1 (20.00%) IT Security Analyst
3 1 (20.00%) Junior
3 1 (20.00%) Junior Analyst
3 1 (20.00%) Junior Security Analyst
3 1 (20.00%) Juniper Engineer
3 1 (20.00%) Network Security Engineer
3 1 (20.00%) Security Engineer
3 1 (20.00%) Service Analyst
3 1 (20.00%) SOC Analyst
Libraries, Frameworks & Software Standards
1 1 (20.00%) 802.1X
Miscellaneous
1 2 (40.00%) Data Centre
2 1 (20.00%) Management Information System
2 1 (20.00%) Security Operations Centre
2 1 (20.00%) Virtual Team
Operating Systems
1 2 (40.00%) Unix
1 2 (40.00%) Windows
2 1 (20.00%) Linux
Processes & Methodologies
1 2 (40.00%) Change Management
1 2 (40.00%) Data Analysis
1 2 (40.00%) Incident Management
1 2 (40.00%) Information Security
1 2 (40.00%) Malware Analysis
1 2 (40.00%) Proactive Monitoring
1 2 (40.00%) Security Monitoring
1 2 (40.00%) Security Operations
1 2 (40.00%) Vulnerability Assessment
1 2 (40.00%) Vulnerability Management
2 1 (20.00%) Agile Software Development
2 1 (20.00%) Disaster Recovery
2 1 (20.00%) Mentoring
2 1 (20.00%) Network Management
2 1 (20.00%) Privileged Access Management
2 1 (20.00%) Problem Management
2 1 (20.00%) Root Cause Analysis
2 1 (20.00%) SIEM
2 1 (20.00%) Threat Detection
Qualifications
1 2 (40.00%) CCNP
1 2 (40.00%) Cisco Certification
2 1 (20.00%) CCIE
2 1 (20.00%) CCVP
2 1 (20.00%) Degree
System Software
1 1 (20.00%) Active Directory
1 1 (20.00%) ProxySG
Systems Management
1 1 (20.00%) CSIRT
Vendors
1 3 (60.00%) Citrix
2 2 (40.00%) Cisco
2 2 (40.00%) F5
2 2 (40.00%) Juniper
3 1 (20.00%) Aruba
3 1 (20.00%) Blue Coat
3 1 (20.00%) CheckPoint
3 1 (20.00%) Palo Alto
3 1 (20.00%) Riverbed