Principal Security Engineer

Principal Security Engineer Location: Reading, hybrid 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 Senior 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. You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.Who We AreWe are a world-class team of high caliber security researchers and application security engineers who thrive on new challenges. We are an inclusive and diverse team with a full spectrum of experience distributed globally. We have the resources of a large enterprise and the energy of a start-up, working on a critical greenfield software assurance project collaboratively with our cloud team. The Software Assurance organization has the mission to make application security and software assurance, at scale, a reality. The research team is a dedicated team, leveraging each other’s insights and abilities to produce cutting edge solutions to difficult reverse engineering and vulnerability finding problems. Contributing to the overall success of the Software Assurance organization. Join us to grow your career and create the future of software assurance at scale together.Work You’ll DoAs a member of our team, you will work independently and/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 through reverse engineering, with the objective of identifying impactful security vulnerabilities across a variety of architectures and platforms.What You’ll BringBachelor’s or Master’s degree in Computer Science or related field (e.g. Electrical Engineering) or related relevant experience10+ years of relevant experience in vulnerability identification, deep platform security consulting or equivalent (with demonstrable reverse engineering experience)Reverse engineering across various architectures and platforms; including x86/64, ARM. Experience with other platforms such as MIPS, RISCV and others are desirableExperience with disassemblers and decompilers (IDA Pro, Binary Ninja, or Ghidra)Knowledge of common exploitation countermeasures and their bypasses (CFI, NX, ASLR, etc.)Researching operating system and applications to understand strengths and weaknesses in their design and implementationAbility to automate reversing tasks, using the headless capabilities (and internal representations) of the toolingSoftware development using C or C++Demonstrated leadership skills, organizational capability and management techniquesA personality and communication skills that inspire teams and team membersMust be legally authorized to work in the United Kingdom without the need for employer sponsorship, now or at any time in the futureNice to HaveExperience working in a large cloud or Internet software company, or similar engagements via consultingExperience navigating and working with extremely large codebases and complex binary codeProven experience with security research including any published CVEs, papers or presentationsExperience developing proof of concept exploits bypassing modern exploit mitigationsActive participant or organizer of Capture the Flag competitionsKnowledge of common vulnerabilities in different types of software and programming languages, includingHow to test for/exploit themReal world mitigations that can be appliedFamiliarity with vulnerability classification frameworks (e.g. OWASP Top 10)What We’ll Give YouA team of very skilled and diverse personnel across the globeAbility to work in a flexible work from home arrangementExposure to mind blowing large-scale cutting-edge systemsThe resources of a large, global operation while still having the small, start-up feel of a smaller team day to dayDevelop new skills and competencies working with our vast cloud product offeringsOngoing extensive training and skills development to further your career aspirationsIncredible benefits and company perksAn organization filled with smart, enthusiastic, and motivated colleaguesThe opportunity to impact and improve our systems and delight our customers

Created: 2025-12-14