Senior Cyber Defense Analyst – Digital Fraud Prevention

🕒 July 17

🏢🏡 Rio de Janeiro – Hybrid

⏰ Full Time

🟠 Senior

🧐 Analyst

👻 Ghost score 19%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Vibra

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1971

⚡ Energy

🛒 Retail

🤝 B2B

Energy • Retail • B2B

<Vibra> Vibra is a leading Brazilian energy and fuels company that distributes and markets petroleum fuels, lubricants, petrochemicals and energy solutions. It operates a network of service stations under the Petrobras brand and retail convenience stores (BR Mania), provides B2B fuel and energy services to segments such as agribusiness, aviation, industry and transport, and is investing in transition technologies including e-mobility and low‑carbon energy solutions. The company also manages loyalty programs, branded retail partnerships and offers commercial energy market entry services.

📋 Description

• Manage the day-to-day operations of the outsourced anti-fraud monitoring service, tracking quality indicators and response times (MTTD, MTTR) and ensuring operational targets are met; • Work closely with Business, Marketing and Product teams to map customer journeys and proactively design new fraud scenarios (Threat Modeling); • Continuously analyze the behavior of anti-fraud rules, investigate false positives and false negatives, and fine-tune rule engines to optimize conversion and block attackers; • Serve on the front line of fraud incident response (e.g., Account Takeover attacks, large-scale cash-out), executing blocks, conducting transactional analyses and immediately containing operational damage; • Maintain an inquisitive, investigative approach, actively searching for anomalies in databases and logs that automated systems or other teams may not have detected; • Produce operational reports on the fraud landscape and vendor performance, escalating complex threats, attack trends and systemic vulnerabilities to leadership.

🎯 Requirements

• Bachelor’s degree in Computer Science, Information Systems, Engineering, Statistics, Mathematics or a related STEM/technology field. • Training in Fraud Prevention, Cybersecurity, Data Analysis (Data Science/Analytics) or Incident Management. Hands-on experience in Digital Fraud Prevention operations, SOC (Security Operations Center) or Incident Response. • Strong experience analyzing financial transactions, e-commerce or loyalty programs.

🏖️ Benefits

• Health and Dental Plan – Bradesco – extendable to dependents • PAE - Financial assistance provided for dependent children and/or stepchildren with intellectual disabilities • Pharmacy partnership – discounts up to 85% • Complementary Pension – FlexPrev Plan, contributions ranging from 1% to 11% depending on salary • Life Insurance – coverage for all employees from the date of hire, with no employee contribution • Extended Leave – Maternity leave (total 180 days) and Paternity leave (total 20 days) • Meal and/or Food Allowance – Caju Benefits • Educational Assistance – for dependents up to high school • TotalPass • Solar Subscription – option to receive a special discount on your energy bill by subscribing to a distributed generation plan • Corporate Smiles Club – discounts up to 50% on travel plans; available to spouse and children 18+ • Length-of-service bonus – additional pay based on tenure, paid at the time of vacation • Learning Platform – “Vibra” values track and curated content with over 200 courses available on demand • Internal Recruitment – job openings published across Brazil to encourage internal mobility