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OutSystems Logo OutSystems · IT - Software Development

Senior Security Engineer

Portugal, Lisbon · Job Posted February 20, 2026
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Job Description

As a Senior Security Engineer on the Application Security team at OutSystems, you will independently deliver meaningful security outcomes across our #1 AI-powered low-code platform, helping ensure that applications, platforms, and agentic capabilities are secure by design and safe by default. In this role, you will own and execute small-to-medium sized security initiatives and deliver significant service components of a large Product Security program.

Job Responsibility

  • Independently drive security work across all phases of the SDLC, from early design and threat modeling through implementation, testing, and release
  • Own delivery of moderately complex security projects or features, adjusting standard approaches as needed to achieve the intended outcome
  • Partner with engineering and platform teams to secure AI-powered and agentic capabilities, ensuring security considerations are built in early rather than bolted on later
  • Conduct focused security assessments of applications, APIs, internal services, and platform components using the appropriate depth and methodology for the risk
  • Contribute to the development and adoption of secure-by-default patterns, guardrails, and paved roads that scale security without increasing friction
  • Operate and improve security tooling by tuning signal quality, reducing noise, and identifying opportunities to improve effectiveness
  • Build or extend security tooling and automation to eliminate manual or repetitive work
  • Clearly communicate risks, tradeoffs, and recommendations to engineering partners in a way that supports informed decision-making
  • Proactively identify gaps or inefficiencies in security processes and suggest practical improvements aligned with team goals
  • Mentor junior engineers and new hires, helping them ramp up effectively and understand how Product Security operates at OutSystems
  • Strengthen stakeholder relationships within your area of responsibility by being reliable, pragmatic, and outcome-oriented

Requirements

  • Proven experience in application security within modern, cloud-native environments
  • Strong foundation in AppSec fundamentals, including secure design, threat modeling, vulnerability triage, and remediation
  • Ability to independently deliver moderately complex security work end to end
  • Comfortable working across application, cloud, and platform security within a defined scope
  • Ability to write, understand, and review code, including building security automation and validating AI- or low-code-generated solutions
  • Hands-on experience with AWS (required), Kubernetes, and microservices
  • Clear understanding of penetration testing, red teaming, and purple teaming, and when to apply each

Nice to have

  • Practical experience with AI-enabled and automated systems, including understanding how increased autonomy impacts security risk
  • Hands-on use of AI-assisted development tools to speed up delivery while maintaining security and correctness
  • Experience contributing to secure-by-default patterns, platform guardrails, and paved roads
  • Proven ability to improve security tooling by reducing noise and increasing actionable findings
  • Strong experience with AWS and exposure to Azure
  • Background working on developer platforms, low-code platforms, or highly automated environments

What we offer

  • A company that is always growing, changing, and innovating
  • Real career opportunities
  • Work colleagues that are as smart, hard-working, and driven as you
  • Disrupting the status quo is in our DNA
  • We ask “why” a lot
  • Inclusive culture of diversity
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