Horizon3.ai

Federal Senior Cloud Security Engineer

Horizon3.ai$120K — $150K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or Cybersecurity, or equivalent military experience
  • Minimum 5 years of securing AWS environments expertise
  • 5+ years of overall cybersecurity experience
  • AWS Certified Security - Specialty preferred; CISSP or relevant certifications desired
  • U.S. Government Security Clearance is a plus.

Responsibilities

  • Design and implement security controls for AWS environments
  • Utilize Terraform to manage and deploy security configurations
  • Implement GitLab CI/CD pipelines for automated security testing
  • Continuously monitor and enhance cloud security posture
  • Define and enforce IAM best practices
  • Conduct architecture reviews and risk assessments
  • Investigate security incidents and lead management efforts
  • Develop and maintain security policies to ensure compliance with standards

Benefits

  • Fully remote work environment
  • Opportunity for professional growth in a specialized federal sector
  • Potential travel for company-sponsored events or summits
  • Engagement with leading security frameworks and technologies
  • Participation in a team-focused culture with a strong emphasis on integrity and ownership
Full Job Description
About the Role

The Sr. Cloud Security Engineer, Federal performs the tasks necessary to analyze, design, configure, implement, and validate security solutions for H3's AWS GovCloud infrastructure. This role serves as a technical leader and "self-starter," working closely with the Director of Federal Operations, Security Operations Manager, and engineering teams to ensure a secure and compliant cloud architecture. Tasks will consist of developing security guardrails, automating threat detection, and managing the end-to-end security lifecycle within the CI/CD pipeline. This position prioritizes Federal AWS environments and compliance (FedRAMP, IL-4/5) while providing subject matter expertise and support for commercial cloud security as the Federal Team grows.

Essential Functions
  • Cloud Security Engineering: Design and implement robust security controls across AWS environments, including AWS IAM, SCPs, VPC security, S3 bucket policies, and key management.
  • Infrastructure as Code (IaC): Utilize Terraform to deploy and manage security configurations, ensuring "Security as Code" is integrated into all cloud deployments.
  • DevSecOps Integration: Implement and maintain GitLab CI/CD pipelines for automated security testing and scanning of AWS resources.
  • Posture Management & Monitoring: Continuously monitor and improve cloud security posture by managing and tuning services such as GuardDuty, Security Hub, AWS WAF, and CloudTrail.
  • Identity & Access Management: Define and enforce IAM best practices, including least privilege, federated identity, RBAC, and automated remediation of deficiencies.
  • Threat Modeling & Assessment: Conduct architecture reviews and risk assessments for new cloud features to identify and mitigate vulnerabilities before deployment.
  • Incident Response & Analysis: Investigate suspected attacks and lead security incident management, providing post-mortem analysis and developing long-term preventive measures.
  • Compliance & Standards: Develop and maintain security policies and procedures to ensure compliance with FedRAMP and DoD IL-4/5.
  • Reporting & Metrics: Develop creative reporting mechanisms and metrics to communicate cloud risk and security themes to business owners and leadership.


Competencies
  • AWS Expertise: Deep knowledge of AWS services and security architecture.
  • Automation Proficiency: In-depth knowledge of Terraform and GitLab CI/CD strategies.
  • Framework Fluency: Familiarity with cybersecurity frameworks such as NIST, CIS, and MITRE ATT&CK.
  • Analytical Problem Solving: Excellent skills in log processing, event analysis, and incident management.
  • Communication: Excellent verbal and written skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Integrity & Ownership: Demonstrated commitment to process improvement, technical integrity, and a "learn-it-all" attitude.


Required Education/Experience
  • Education: Bachelor's degree in Computer Science or Cybersecurity; Military Service Equivalent.
  • Experience: Minimum five (5) years of experience in securing AWS environments; 5+ years of general cybersecurity experience.
  • Certifications: AWS Certified Security - Specialty preferred; CISSP or relevant security certifications preferred.
  • Clearance/Auth: Must be authorized to work in the U.S. and pass a criminal background check.
    • U.S. Government Security Clearance is a plus.


Travel & Environment
  • Location: Fully remote.
  • Travel: Up to 5% for company-approved events or summits.


Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities. Duties, responsibilities, and activities may change at any time.

About Horizon3.ai

Horizon3.ai is a California-based software company that provides artificial intelligence (AI) solutions for businesses. The company was founded in 2018 and is headquartered in Long Beach, California. Horizon3.ai offers a range of AI-powered products, including chatbots, virtual assistants, and predictive analytics tools. The company's solutions are designed to help businesses automate their operations, improve customer engagement, and gain insights from their data. Horizon3.ai serves clients in a variety of industries, including healthcare, finance, and retail.
Learn more about Horizon3.ai
Size
50 employees
Industry
Net Income
-$100,000
Founded
2018
5 Year Trend
+50%
Revenue
$500,000

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