Period
to 7 December 2021

The table below looks at the prevalence of the term Distributed Denial-of-Service in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Distributed Denial-of-Service over the 6 months to 7 December 2021 with a comparison to the same period over the previous 2 years.

Distributed Denial-of-Service (DDoS)
Central London > City of London
6 months to
7 Dec 2021
Same period 2020 Same period 2019
Rank 257 195 303
Rank change year-on-year -62 +108 +51
Permanent jobs citing Distributed Denial-of-Service 5 11 27
As % of all permanent jobs advertised in the City of London 0.081% 0.27% 0.28%
As % of the Miscellaneous category 0.22% 0.71% 0.74%
Number of salaries quoted 5 3 26
10th Percentile £46,150 £62,500 £47,500
25th Percentile £64,750 £66,250 £63,438
Median annual salary (50th Percentile) £67,500 £75,000 £80,000
Median % change year-on-year -10.00% -6.25% -1.23%
75th Percentile £97,500 £81,875 £93,750
90th Percentile £145,500 £84,500 £95,250
Central London median annual salary £67,500 £75,000 £80,000
% change year-on-year -10.00% -6.25% -1.23%

Distributed Denial-of-Service is in the Generic IT Skills 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 generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 2,299 1,543 3,668
As % of all permanent IT jobs advertised in the City of London 37.06% 37.67% 37.40%
Number of salaries quoted 2,047 1,363 3,136
10th Percentile £42,500 £45,000 £40,000
25th Percentile £57,500 £56,250 £52,500
Median annual salary (50th Percentile) £75,000 £75,000 £70,000
Median % change year-on-year - +7.14% +3.70%
75th Percentile £95,000 £88,750 £86,250
90th Percentile £112,500 £110,000 £105,375
Central London median annual salary £72,500 £72,500 £70,000
% change year-on-year - +3.57% +7.69%

Distributed Denial-of-Service
Job Vacancy Trend in the City of London

Job postings citing Distributed Denial-of-Service as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Distributed Denial-of-Service in the City of London

Distributed Denial-of-Service
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Distributed Denial-of-Service in the City of London.

Salary trend for Distributed Denial-of-Service in the City of London

Distributed Denial-of-Service
Salary Histogram in the City of London

Salary distribution for jobs citing Distributed Denial-of-Service in the City of London over the 6 months to 7 December 2021.

Salary histogram for Distributed Denial-of-Service in the City of London

For the 6 months to 7 December 2021, IT jobs citing Distributed Denial-of-Service also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for Distributed Denial-of-Service.

1 5 (100.00%) Firewall
2 3 (60.00%) Finance
2 3 (60.00%) CheckPoint
2 3 (60.00%) Cisco
2 3 (60.00%) Azure
2 3 (60.00%) SIEM
2 3 (60.00%) Cybersecurity
2 3 (60.00%) NIST
3 2 (40.00%) Windows Server 2016
3 2 (40.00%) Windows Server 2019
3 2 (40.00%) ISO/IEC 27001
3 2 (40.00%) Server Management
3 2 (40.00%) Windows Server
3 2 (40.00%) DDoS Mitigation
3 2 (40.00%) Windows 10
3 2 (40.00%) Cisco ISE
3 2 (40.00%) Kalman Filter
3 2 (40.00%) Vulnerability Management
3 2 (40.00%) Microsoft 365
3 2 (40.00%) Windows Server 2012
3 2 (40.00%) FortiGate
3 2 (40.00%) Infrastructure Management
3 2 (40.00%) Network Security
3 2 (40.00%) OWASP
3 2 (40.00%) Microsoft
3 2 (40.00%) DNS
3 2 (40.00%) Windows
3 2 (40.00%) Python
3 2 (40.00%) CISSP
3 2 (40.00%) Information Security

Distributed Denial-of-Service
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 3 (60.00%) Azure
2 2 (40.00%) Microsoft 365
3 1 (20.00%) AWS
3 1 (20.00%) Mimecast
Communications & Networking
1 5 (100.00%) Firewall
2 2 (40.00%) Cisco ISE
2 2 (40.00%) DNS
2 2 (40.00%) Network Security
3 1 (20.00%) Cisco ASA
3 1 (20.00%) DKIM
3 1 (20.00%) DMARC
3 1 (20.00%) F5 BIG-IP GTM
3 1 (20.00%) F5 BIG-IP LTM
3 1 (20.00%) Intrusion Detection
3 1 (20.00%) LAN
3 1 (20.00%) TCP/IP
3 1 (20.00%) WAN
Development Applications
1 1 (20.00%) Burp Suite
1 1 (20.00%) Metasploit
1 1 (20.00%) sqlmap
General
1 3 (60.00%) Finance
2 1 (20.00%) Banking
2 1 (20.00%) Financial Institution
2 1 (20.00%) Social Skills
Job Titles
1 4 (80.00%) Security Engineer
2 3 (60.00%) IT Engineer
2 3 (60.00%) IT Security Engineer
3 1 (20.00%) Cybersecurity Manager
3 1 (20.00%) Network Engineer
3 1 (20.00%) Network Security Engineer
3 1 (20.00%) Operational Security Manager
3 1 (20.00%) Security Manager
3 1 (20.00%) Security Operations Manager
3 1 (20.00%) Senior Network Engineer
3 1 (20.00%) Senior Network Security Engineer
3 1 (20.00%) Senior Security Engineer
Miscellaneous
1 1 (20.00%) PKI
Operating Systems
1 2 (40.00%) Windows
1 2 (40.00%) Windows 10
1 2 (40.00%) Windows Server
1 2 (40.00%) Windows Server 2012
1 2 (40.00%) Windows Server 2016
1 2 (40.00%) Windows Server 2019
Processes & Methodologies
1 3 (60.00%) Cybersecurity
1 3 (60.00%) SIEM
2 2 (40.00%) DDoS Mitigation
2 2 (40.00%) Information Security
2 2 (40.00%) Information Security Management
2 2 (40.00%) Infrastructure Management
2 2 (40.00%) Kalman Filter
2 2 (40.00%) OWASP
2 2 (40.00%) Security Management
2 2 (40.00%) Server Management
2 2 (40.00%) Vulnerability Management
3 1 (20.00%) Asset Management
3 1 (20.00%) E-Discovery
3 1 (20.00%) Identity Management
3 1 (20.00%) Incident Management
3 1 (20.00%) Risk Assessment
3 1 (20.00%) Security Architecture
3 1 (20.00%) Security Monitoring
3 1 (20.00%) Security Operations
3 1 (20.00%) Vulnerability Scanning
Programming Languages
1 2 (40.00%) Python
2 1 (20.00%) Bash Shell
2 1 (20.00%) JavaScript
2 1 (20.00%) PowerShell
Qualifications
1 2 (40.00%) CISSP
2 1 (20.00%) (ISC)2 CCSP
2 1 (20.00%) CCSP
2 1 (20.00%) CEH
2 1 (20.00%) Cisco Certification
Quality Assurance & Compliance
1 3 (60.00%) NIST
2 2 (40.00%) ISO/IEC 27001
System Software
1 1 (20.00%) Virtual Machines
Systems Management
1 2 (40.00%) FortiGate
2 1 (20.00%) Ansible
2 1 (20.00%) CASB
2 1 (20.00%) Nessus
2 1 (20.00%) Nmap
2 1 (20.00%) Single Sign-On
2 1 (20.00%) Terraform
Vendors
1 3 (60.00%) CheckPoint
1 3 (60.00%) Cisco
2 2 (40.00%) Microsoft
3 1 (20.00%) CrowdStrike
3 1 (20.00%) F5
3 1 (20.00%) Forcepoint
3 1 (20.00%) LogRhythm
3 1 (20.00%) Okta
3 1 (20.00%) Palo Alto
3 1 (20.00%) Qualys
3 1 (20.00%) Rapid7
3 1 (20.00%) Splunk
3 1 (20.00%) Thycotic