Staff Information Security Engineer

Five9

Staff Information Security Engineer at Five9 leading Cyber Resiliency program across cloud environments. Own program governance, tool ownership, and engineering engagement for infrastructure resilience.

Posted 7/28/2026full-timePorto • 🇵🇹 PortugalLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing the operational lifecycle of Cyber Resiliency programs, including governance, reporting, and remediation processes across cloud platforms. Proficient in driving communication and collaboration among engineering teams to enhance security posture and risk management.

Highest-signal resume keywords

Cyber Resiliency Program ManagementInfrastructure-As-Code (Terraform)Cloud Security (GCP, AWS, Azure)CI/CD Pipeline ManagementExecutive-Level Security Reporting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Information SecurityGovernance DevelopmentProcess DocumentationIssue Prioritization FrameworksRisk Exposure AnalysisIAM ArchitectureNetwork SegmentationWorkload ProtectionAutomated Detection and ResponseConfiguration Management

Soft Skills

Excellent CommunicationSelf-DirectedAbility to Manage Competing Priorities

Tools & Technologies

JiraCloud PlatformsPolicy-As-Code

Industry Keywords

Security Program OperationalizationRemediation VelocityCriticality TieringEscalation PathsSecurity Guardrails

Tech Stack

Tools & technologies

AWSAzureCloudGoogle Cloud PlatformTerraform

About the role

Key responsibilities & impact

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
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

What you’ll need

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

Benefits

Comp & perks

Five9 Shares
Bonus Scheme
10% Flex Benefit
Meal Allowance
Medical Insurance
Life Insurance
25 day Annual Leave + Public Holidays