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Horizon3.ai Cover

Manager, Security Engineering, Cloud & AppSec

Horizon3.ai
Worldwide Full Time USD 149,850 - 185,000 19 days ago

About the Job

We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and false positives, resulting in alert fatigue, blind spots, "checkbox” sec...

This role will lead the engineers responsible for securing our Cloud environments and embedding security into the software development lifecycle. The ideal candidate brings strong technical depth in cloud security, practical application security experience, and the ability to partner effectively across engineering, ...

Lead, coach, and grow the Security Engineering team, including both Cloud Security Engineers and Application Security Engineers

Key Responsibilities

This role will be responsible for…..
Set priorities and operating rhythms for the team, balancing strategic security investments, day-to-day engineering support, and incident response
Design and implement security controls across our Cloud environments, such as but not limited to: AWS, Azure, GCP, Digital Ocean, OCI, etc.., including IAM, SCPs, VPC security, S3 bucket policies, security groups, key management, and logging
Continuously monitor and improve cloud posture by managing and tuning services such as GuardDuty, Security Hub, AWS WAF, CloudTrail, and Inspector
Partner with engineering teams to embed security into the SDLC, including secure design reviews, threat modeling, architecture review, and CI/CD security automation
Lead the application security program, including secure coding practices, vulnerability management, developer enablement, and product security reviews
Continuously monitor and improve application security tooling by managing and tuning services such as SonarQube, Dependency Track, ZAproxy, Trufflehog, Trivy,
Build and maintain GitLab CI/CD pipelines and tooling for automated security testing and scanning of cloud resources and applications
Conduct threat modeling, architecture reviews, and risk assessments for cloud deployments, product features, and new systems
Implement security monitoring, secure systems hardening, and detective controls for malicious activity across AWS and application environments
Respond quickly to new and emerging threats and vulnerabilities; support investigations, post-mortem analysis, root cause identification, and preventive actions
Define and enforce identity and access management best practices, including least privilege, federated identity, role-based access control, and automated remediation
Develop and maintain security policies, standards, and procedures aligned to frameworks such as SOC 2, GDPR, ISO 27001, FedRAMP, NIST, CIS, and MITRE ATT&CK
Create metrics, reporting, and risk narratives that communicate security posture, trends, and priorities to business owners and leadership
Evaluate and recommend new tools, techniques, and controls to improve the security posture of our cloud and application environments
Demonstrate a commitment to integrity, process improvement, and customer satisfaction
Recruiting and onboarding talented individuals to support our organizational goals
Mentoring, coaching, equipping, and developing your team
Recognizing and retaining high performers
Leading horizontally with peer management and senior leaders
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Required Skills & Abilities

Must be proficient in AWS security services, Terraform, GitLab, and modern CI/CD security practices
Must have a deep understanding of AWS security architecture, IAM, cloud posture management, data security principles, and secure SDLC practices
Must have experience leading or closely partnering with Application Security efforts, including threat modeling, vulnerability management, and security reviews
Must be knowledgeable in compliance standards and security frameworks, including SOC 2, GDPR, ISO 27001, FedRAMP, NIST, CIS, and MITRE ATT&CK
Must have strong written and verbal communication skills, with the ability to explain technical risks and tradeoffs to both technical and non-technical stakeholders
Must be able to work independently and as part of a team, with a strong sense of ownership and accountability
Must have experience developing metrics and reporting that communicate risk and security posture to leadership
Must have familiarity with DLP concepts, including data classification, identification, and protection
Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or a related field, or equivalent practical experience
5+ years of experience in cybersecurity
5+ years of experience securing AWS environments
5+ years of experience securing cloud-native systems and modern software delivery pipelines
Prior experience leading security engineers or serving as a technical lead in a security engineering function
AWS
Terraform
Crossplane
ArgoCD
GitLab
CI/CD security tooling
Cloud security monitoring and posture tools
IAM and access control systems
Experience leading both Cloud Security and Application Security teams
AWS Certified Security – Specialty
CISSP or other relevant security certifications
Experience in high-growth SaaS or cybersecurity companies
Experience building security programs that scale across engineering organizations
Broad knowledge across the security domain, with deeper specialization in one or more areas such as incident management, detection engineering, response tooling, or logs/events processing

Qualifications

Experience: 5 years experience

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