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Principal Security Researcher (AdTech)

Oracle

Oracle

United States
USD 106,300-223,400 / year + Equity
Posted on Feb 5, 2026

Do you have a passion for high scale services and working with some of Oracle's most critical customers? We are seeking an experienced, passionate, and talented Principal Security Researcher who has genuine excitement for and interest in reverse engineering, vulnerability finding and exploit development. You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation with special focus on advertisement technologies as used by mobile applications and their infra-structure. You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices, and have a love for diving deep into influencing operations, LLMs and complex decision-making algorithms. Creativity is highly valued; this is a growing problem space, with very little recognized craft.


As a world leader in cloud solutions, Oracle uses tomorrow’s technology to tackle today’s challenges. We’ve partnered with industry-leaders in almost every sector—and continue to thrive after 40+ years of change by operating with integrity.

We know that true innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing an inclusive workforce that promotes opportunities for all.

Oracle careers open the door to global opportunities where work-life balance flourishes. We offer competitive benefits based on parity and consistency and support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.

We’re committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request_mb@oracle.com or by calling +1 888 404 2494 in the United States.

Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.


Do you have a passion for high scale services and working with some of Oracle's most critical customers? We are seeking an experienced, passionate, and talented Principal Security Researcher who has genuine excitement for and interest in reverse engineering, vulnerability finding and exploit development. You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation with special focus on advertisement technologies as used by mobile applications and their infra-structure. You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices, and have a love for diving deep into influencing operations, LLMs and complex decision-making algorithms. Creativity is highly valued; this is a growing problem space, with very little recognized craft.
Disclaimer:

Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates.

Range and benefit information provided in this posting are specific to the stated locations only

US: Hiring Range in USD from: $106,300 to $223,400 per annum. May be eligible for bonus and equity.

Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business.
Candidates are typically placed into the range based on the preceding factors as well as internal peer equity.

Oracle US offers a comprehensive benefits package which includes the following:
1. Medical, dental, and vision insurance, including expert medical opinion
2. Short term disability and long term disability
3. Life insurance and AD&D
4. Supplemental life insurance (Employee/Spouse/Child)
5. Health care and dependent care Flexible Spending Accounts
6. Pre-tax commuter and parking benefits
7. 401(k) Savings and Investment Plan with company match
8. Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.
9. 11 paid holidays
10. Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.
11. Paid parental leave
12. Adoption assistance
13. Employee Stock Purchase Plan
14. Financial planning and group legal
15. Voluntary benefits including auto, homeowner and pet insurance

The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted.

Career Level - IC4



As a member of our team, you will work independently or side-by-side within a team structure to develop and deliver practical solutions. You will be responsible for designing, implementing and testing complex software, often times through reverse engineering, with the objective of identifying impactful security vulnerabilities across a variety of architectures and platforms but with a very specific focus of understanding advertisement capabilities in its entire scope, considering influencing operations, targeted delivery and other, threats. The work involves the understanding of the behind the scenes infra-structures and its algorithms, as well as LLMs.