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Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are seeking a Staff Information Security Engineer to join Five9's Information Security team. This role will own the operationalization and ongoing maturity of Five9's Cyber Resiliency program (the practice of using tooling to continuously identify, prioritize, and remediate infrastructure resilience issues across our AWS, GCP, Azure cloud environments). You'll be responsible for program governance, tool ownership, process development, and engineering engagement to scale the program across the organization. As secondary responsibilities, you will support the Cloud Security program as a senior technical resource. Key Responsibilities: Cyber Resiliency Program (Primary) Own the operational lifecycle of the Cyber Resiliency program, including tool administration, system and resource mapping, criticality tiering, and issue triage workflows Develop and maintain program governance: process documentation, SLAs for remediation, escalation paths, and quarterly review cadences Build executive reporting for security and engineering leadership: resilience score trends, remediation velocity, IaC coverage, and risk exposure by system criticality tier Drive the communication plan for the program, ensuring engineering teams understand expectations before receiving remediation tickets Define and maintain issue prioritization frameworks that balance system criticality, environment, severity, and remediation effort Partner with engineering leads to drive remediation of infrastructure resilience issues, removing blockers and tracking progress through Jira Cloud Security (Supporting) Partner with the Cloud Security team on architecture reviews, policy development, and strategic initiatives across GCP, AWS, and Azure Develop and refine security guardrails, policy-as-code, and automated detection and response capabilities for cloud misconfigurations Evaluate and improve cloud security posture including IAM architecture, network segmentation, and workload protection Ensure cloud security solutions are under configuration management and deployed through CI/CD pipelines Requirements: 5+ years of experience in information security, with demonstrated experience in a senior technical role Experience operationalizing a security program or service: building governance, processes, and reporting, not just executing within an existing framework Deep hands-on experience with at least one major cloud platform (GCP strongly preferred), including IAM, networking, compute, and storage security Strong experience with infrastructure-as-code (Terraform required) and CI/CD pipelines Demonstrated ability to drive remediation and risk reduction across engineering teams without direct authority Experience building executive-level security reporting and metrics Excellent communication skills: able to present program status and risk to engineering leadership, security leadership, and executive audiences Self-directed with the ability to manage competing priorities across program operations and supporting workstreams Preferred Skills : Experience with cyber resilience or infrastructure resilience tooling (Gambit, Wiz, or similar CSPM/CNAPP platforms) Experience conducting risk assessments or security maturity assessments using frameworks such as NIST CSF, ISO 27001, or CMMI Background in Kubernetes security and container workload protection Experience with multi-cloud environments (GCP + AWS + Azure) Python scripting for automation and tooling Security certifications (CISSP, CCSP, SANS certifications, or similar) Prior experience in a SaaS, contact center, or communications platform environment Experience mentoring or technically leading junior engineers Workplace location : This role is hybrid and requires 3 days a week in our Porto office. Benefits: Five9 Shares Bonus Scheme 10% Flex Benefit Meal Allowance Medical Insurance Life Insurance 25 day Annual Leave + Public Holidays Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.