Akamai DDoS & DNS Security Specialist

Lognext; Madrid; On-site; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Technical training

Flexible working hours

Team-building and volunteering events

Job summary

Lognext is seeking an Operational Security Expert to join our team, collaborating with a leading multinational financial sector client. You will monitor and tune Akamai DDoS protections, review DNS changes, and advise on rate-limiting and secure design.

This is a hands-on role requiring strong network security skills and cross-functional teamwork. Ideal candidates will have solid TCP/IP knowledge (CCNA/CCVP), advanced DNS security experience, Akamai proficiency, and English at B2+.

Qualifications

• Proven experience in AntiDDoS protection and internet-facing infrastructure security.
• Strong TCP/IP fundamentals aligned to CCNA/CCVP level.
• Advanced DNS security including zone management and propagation.

Responsibilities

• Monitor and fine-tune Akamai DDoS protection policies, investigate abnormal traffic patterns and recommend mitigation measures.
• Plan, test, and document migrations of applications to Akamai zones.
• Review DNS change requests affecting DDoS protection and ensure proper propagation in collaboration with DNS teams.
• Provide guidance on configuring security and rate-limiting policies for stronger AntiDDoS defenses.
• Analyze AntiDDoS security logs and generate operational and audit reports.
• Offer Level 2 troubleshooting for application-layer incidents related to DDoS mitigation.
• Advise project and audit teams on DDoS risks and impacts.
• Assist onboarding of new applications into AntiDDoS protection and support Security by Design initiatives.

Skills

AntiDDoS

TCP/IP fundamentals

DNS security

Traffic monitoring

Akamai DDoS

Rate limiting

L2 troubleshooting

Security by Design

English (B2)

Education

CCNA/CCVP

Tools

Akamai DDoS Protection

DNS management tools

Job description

Lognext is seeking an Operational Security Expert to join our team, collaborating with a leading multinational financial sector client. You will monitor and tune Akamai DDoS protections, review DNS changes, and advise on rate-limiting and secure design.

This is a hands-on role requiring strong network security skills and cross-functional teamwork. Ideal candidates will have solid TCP/IP knowledge (CCNA/CCVP), advanced DNS security experience, Akamai proficiency, and English at B2+.