Security Engineer

India About Magnite At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read, watch, and buy, and we’re looking for people to help us tackle that responsibility with creativity and focus.

Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV/streaming, online video, display, and audio. Our technology fuels billions of transactions every day!

Role Summary Security is core to the design and development pipeline across our Engineering organization. Reporting directly to the Senior Director of Security, you will help secure all applications, products, and platforms while protecting critical assets. You will collaborate across departments—including Engineering, Product, Finance, IT, and HR—to ensure software is secure by design from development to deployment.

Key Responsibilities

• Security Architecture & Design: Conduct security design reviews, threat modeling, and cloud architecture assessments.
• Incident Response & Monitoring: Respond to security alerts/incidents and support ongoing operational tool management.
• Consultation & Advisory: Partner with network, systems, and software engineers to provide guidance on security best practices and secure development.
• AI & LLM Security Integration: Evaluate and secure AI/LLM-based workflows, agentic automation, and internal tool integrations.
• Code & Vulnerability Reviews: Perform security-focused code reviews, evaluate risks using OWASP (including the OWASP Top 10 for LLMs), MITRE ATLAS, and manage SAST/DAST tool

We’re Looking For

• Experience: 2+ years of hands-on experience in security engineering, risk assessment, risk treatment, data protection, and incident response.

• Education: Bachelor’s degree preferred in Information Security, Information Technology, Computer Science, or a related field.

• Certifications: CISSP, CISM, CCSP, CCSK, CRISC, or CISA are a plus.

• Technical Expertise:

• Strong knowledge of Linux OS, firewall administration, patch management, anti-malware, and network security.

• Experience with SIEM solutions (e.g., Google SecOps, Splunk).

• Familiarity with authentication protocols (SAML, OAuth, HMAC) and modern vulnerability management.

• Familiarity with LLM application security risks (e.g., direct/indirect prompt injection, sensitive data leakage, improper output handling, supply chain risks in open-source AI models/package

• Working knowledge of industry frameworks (ISO 27001, NIST CSF, SOC 1/SOC 2, SOX, OWASP LLM Top 10)

• Soft Skills: Excellent written and verbal communication, high integrity, and sound judgment when handling sensitive matters.

Tech Stack

• Security Stack: Google SecOps, Tenable Cloud, ISPM, Wazuh
• Infrastructure & Languages: Large-scale Linux-based on-prem & AWS infrastructure, Windows/macOS endpoints, Java, C++, Python, Scala

Comprehensive Perks And Benefits

• Holiday Breaks and Quarterly Wellness Days
• Equity and Employee Stock Purchase Plan
• Cell Phone Subsidy
• Fitness and Wellness Reimbursement

Company Culture

• Community Service and Volunteer Events
• Company-Matched Charitable Contributions
• Wellness Coach and Mental Health Support

Magnite Invests In You

• Career Development Initiatives and a Career Growth Framework
• Culture and Inclusion Programs
• Bonusly Peer-to-Peer Recognition Program

About Us The world's leading agencies and brands trust our platform to access brand-safe, high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City, sunny Los Angeles, mile-high Denver, historic London, and down under in Sydney, Magnite has offices across North America, EMEA, LATAM, and APAC.

Want to learn more about us? Check out our blog for Magnite announcements and Ad Tech industry news!