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Staff Security Engineer | Application Security

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Staff Security Engineer | Application Security in Remote new

  • Wellhub
  • Full time
  • Email
  • Brazil

Responsibilities

  • Own multiple security domains end-to-end, including application security, threat intelligence, detection engineering, and cloud security posture.
  • Lead architectural reviews and threat modeling for high-risk projects while enforcing secure-by-design and secure-coding standards.
  • Plan, hire for, or directly execute penetration tests and red team exercises and drive remediation of findings.
  • Resolve complex cross-service vulnerabilities and security incidents while coordinating engineering teams and improving detection and response maturity.
  • Define security KPIs, SLAs, and SLOs and build monitoring and alerting to track organizational accountability.
  • Drive architecture decisions, security debt reduction, and security-relevant migrations involving identity, cloud, and key management.
  • Manage medium-to-large security initiatives such as red team programs, vulnerability reduction, compliance audits, zero-trust rollouts, cloud hardening, and detection coverage programs.
  • Mentor engineers, lead security RFCs and design documents, and communicate threat models, risk trade-offs, and security guidance to technical and non-technical stakeholders.

Requirements

  • Prior security engineering experience is mandatory.
  • Deep hands-on experience in one or more of Application Security, Security Architecture, Cloud/Infrastructure Security, IAM, or Detection and Response, with familiarity across the other domains.
  • Experience building secure, well-tested code for security tooling and automation, such as detection rules, scanners, and IAM guardrails.
  • Extensive experience in Security Engineering or software engineering with significant security impact and a strong record of delivering high-impact projects.
  • Experience leading security-sensitive RFCs, design documents, threat models, and risk trade-off decisions.
  • Ability to mentor engineers, navigate legacy systems, guide remediation, and collaborate with technical and non-technical stakeholders.
  • Knowledge of relevant attacker tactics, techniques, and procedures and compliance frameworks such as SOC 2, ISO 27001, LGPD, and GDPR.
  • Fluency in English and strong communication skills.
  • Applicants are encouraged to apply even if they do not meet every qualification, but prior security engineering experience is required.

Benefits

  • Free Wellhub Gold+ membership with access to gyms, studios, digital fitness programs, and wellness resources, with coverage for up to three family members.
  • Wellz emotional wellbeing program with personalized journeys, therapy sessions, and on-demand content.
  • Health, dental, and life insurance.
  • Flexible remote and hybrid work options; this specific role is remote within Brazil, with home office reimbursement.
  • Flexible schedules aligned with time zones, team needs, and personal routines.
  • Vacation eligibility after six months, additional annual days off based on tenure, and a birthday holiday.
  • 100% paid parental leave, including extended leave and a part-time ramp-back period for birthing parents.
  • Career development platforms, interactive learning sessions, personalized development roadmaps, and internal opportunities.
  • Inclusive, collaborative culture focused on wellbeing, learning, and continuous feedback.

Wellhub

Wellhub is a corporate wellness platform for employers, bundling access to gyms and studios, digital fitness, mindfulness, therapy, nutrition, and sleep apps under one subscription. It sells B2B wellbeing programs that leverage a large partner network and usage insights to boost employee adoption...

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