Senior Cybersecurity Engineer

Role: Senior Cybersecurity Engineer

Location: San Jose, CA [Onsite]

Duration: Long term  

Role Overview

Support the Search Engineering team by managing vulnerability lifecycles, ensuring secure architectural practices, and overseeing automated fix validations. 

Key Responsibilities 

Threat Modeling & Asset Profiling

Document trust boundaries, data flows, and architectural entry points for high-priority services; maintain up-to-date threat profiles in centralized repositories. 

Vulnerability Triage & Policy Management

Review and filter scanner findings, classify severity, and evaluate exception requests against security policies. 

Reproduction & PoC Validation

Construct minimal test environments/harnesses to validate reported findings and confirm viable vulnerabilities vs. false positives. 

Automated / Agentic Fixer Oversight & QA

Supervise and validate code patches generated by automated remediation agents, executing tests and inspecting diffs for regressions. 

Product Team Coordination & Closure

Route validated patches to code owners and shepherd fixes through code review to production deployment. 

Must-Have Skills

·       Understanding architectural trust boundaries, attack surfaces, data flows, and threat modeling frameworks (e.g., STRIDE, PASTA).

·       Working knowledge of common vulnerability classifications (CWE, CVE, OWASP Top 10) and SLA mapping.

·       Proficiency in reading and writing code in at least two core languages (C++, Go, Java, Python) and building test harnesses/PoCs.

·       Strong code review skills (identifying regressions, hallucinations) and knowledge of secure coding standards. 

Nice-to-Have / Advanced Skills

·       Experience with threat model reviews for large distributed / microservice architectures.

·       Experience managing vulnerability queues, automated scanning tools, and compliance with exception reviews.

·       Practical experience with fuzzing, unit test frameworks, sandbox execution, and cross-boundary debugging.

·       Experience prompt-tuning automated code generation tools, differential testing, and patch validation.

Alchemy: Transforming Your Professional Vision into Reality

Since our inception in 2013, Alchemy has been dedicated to reshaping organizational performance through innovative IT services. With a vision to empower businesses seeking a transformative edge, we’ve positioned ourselves at the forefront of digitization and software modernization.

Our name reflects our mission: to transmute technology into gold-standard solutions for our esteemed clients. We proudly serve a diverse range of sectors, including IT and ITES, BFSI, Telecom and Media, Automotive, Manufacturing, Energy, Oil and Gas, Real Estate, Retail, Healthcare, and more.

With a global footprint spanning the USA, India, Europe, Canada, Singapore, Japan, and parts of Central and West Africa, we harness a unique blend of competencies, frameworks, and cutting-edge technologies. Together, we drive growth and innovation across industries, helping organizations turn their visions into reality.

Alchemy – Connecting Talent with Opportunities (Diversity, Equity and Inclusion)