Senior Security Engineer

About Moloco:

Moloco builds some of the most powerful AI advertising solutions in the world. Our name-short for "machine learning company"-reflects our core mission: democratizing access to the advanced AI that has historically been reserved for tech giants. Led by machine learning pioneers who built some of the most successful ad systems at Google, including YouTube's monetization engine and key search advertising technologies, we're transforming how businesses grow and compete in the digital economy.

Built with AI from day one, Moloco's planet-scale machine learning platform powers a suite of solutions for advertising growth and monetization. Moloco Ads is an AI-powered platform that delivers real business outcomes for mobile app marketers through performance-based user acquisition. Moloco Commerce Media and Streaming Monetization solutions enable retailers, marketplaces, and streaming platforms to build revenue-generating ad businesses that balance user experience and advertiser performance.

Moloco is headquartered in Silicon Valley, with offices in Seattle, New York, San Francisco, Seoul, Beijing, Singapore, Bangalore, Gurgaon, Tokyo, Shanghai, London, Tel Aviv, and Berlin.

Moloco is a truly rewarding place to work and in an exciting period of growth, which you could be a part of. Join us today and apply now!

The Impact You'll Be Contributing to Moloco:

We are seeking a Senior Security Engineer to strengthen the security posture of our cloud infrastructure and applications. This role is critical to proactively identifying and reducing risk, automating security controls, and ensuring Moloco's platforms remain secure, resilient, and compliant as the business scales.

The Opportunity:

As a Senior Security Engineer, you will partner closely with DevOps, platform, and application teams to embed security into day-to-day engineering workflows. You will help shift security left, reduce operational risk, and enable teams to move fast without compromising security.

• Integrated Security: Embeds automated security testing (SAST/DAST) into CI/CD pipelines to identify vulnerabilities early.
• Secure Infrastructure: Implements safeguards across infrastructure-as-code, containers, and cloud environments to minimize risk from misconfigurations or unintended use.
• Threat Management: Automates vulnerability scans and real-time threat responses to reduce risks. Participate in security triage and vulnerability management process. 
• Compliance: Ensures adherence to standards like SOC 2 or GDPR within DevOps processes.
• Efficiency: Automates manual security tasks, accelerates development, and reduces delays caused by late-stage fixes.
• Resilience: Builds robust defenses against evolving threats with incident response playbooks and threat intelligence.

How Do I Know if the Role is Right For Me?

Minimum Requirements:

• 5+ years of experience as a Security Engineer or in a similar role with a strong foundation in CI/CD, automation, and cloud infrastructure
• Strong understanding of cloud security principles (AWS, GCP, or Azure)
• Experience securing CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins, Harness)
• Familiarity with infrastructure-as-code and related security tools
• Proficiency in scripting languages (Python, Bash, etc)
• Hands-on experience with container security (e.g., Docker image scanning, Kubernetes best practices)
• Knowledge of IAM, secrets management, and secure key handling
• Experience with vulnerability scanning, remediation workflows, and risk prioritization.
• Ability to identify and mitigate misconfigurations in cloud and IaC environments
• Comfortable collaborating with DevOps, platform, and application teams

Preferred Qualifications:

• Familiarity with compliance frameworks (SOC 2, ISO 27001, NIST, etc.)
• Experience with security monitoring and incident response processes
• Exposure to SIEM or EDR tools (e.g., Splunk, CrowdStrike, Google SecOps)
• Experience with SAST/DAST and dependency scanning tools
• Familiarity with zero-trust networking concepts
• Knowledge of threat modeling and risk assessment practices

Our Compensation And Benefits (for United States Residents Only)

In accordance with various state laws, the range provided is a reasonable estimate of the base compensation for this role. The actual amount may be higher or lower based on non-discriminatory factors such as experience, knowledge, skills, and abilities. We also offer a competitive benefits package.

Base Pay Range:

$172,000—$228,000 USD

Moloco Thrive: Benefits and Well-Being: 

We take care of you and create the conditions for you to do the best work of your career. Through a lens of inclusion, we offer innovative benefits that empower our employees to take care of themselves and their families so they can do the best work of their lives.

Moloco Values: 

• Lead with Humility: Everyone's voice is respected, valued, and heard. With humility, we become more open and accessible to each other. We win, lose, and learn together. Accountability and feedback are essential to our success. 
• Uncapped Growth Mindset: We see all situations as opportunities to learn, grow, and improve as individuals and as an organization. We seek diverse perspectives, encourage curiosity, and promote experimentation to push the boundaries of what's possible. 
• Create Real Value: We pursue the most impactful opportunities with rigor and integrity. We take intelligent risks and make disciplined trade-offs to maintain deep focus. We help our customers win by delivering durable value. 
• Go Further Together: We're one team working towards one mission and vision. We collaborate proactively and inclusively, involving the right people at the right time and in the right way. We strive to create a more equitable workplace. We won't let each other fail. 

Additional Resources: 

• Moloco Company Blog 
• Moloco Leadership
• Moloco Newsroom 

Equal Opportunity: 

Creating a diverse workforce and a culture of inclusion and belonging is core to our existence. To reach our goals, diversity of talent and thought is a critical component of how we operate as an organization. Our workforce is our superpower, and we know that fostering a culture of inclusion, authenticity, and belonging gives us the greatest opportunity to achieve our vision to become the scaling engine for the Internet economy.

Moloco is an equal opportunity employer. We highly value diversity in our current and future employees and do not discriminate (including in our hiring and promotion practices) on the basis of race, color, creed, religion, national origin, age, sex and gender, gender expression and identity, sexual orientation, marital status, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by law.

Candidate Privacy Notice:

Your privacy matters to us. By applying, you acknowledge that you've reviewed our Candidate Privacy Notice.