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. Idóneo candidates will have solid TCP/IP knowledge (CCNA/CCVP), advanced DNS security experience, Akamai proficiency, and English at B2+.