# Cybersecurity Engineer and Security Architect **Company**: Visa **Location**: Foster City, CA **Work arrangement**: hybrid **Experience**: senior **Job type**: full-time **Salary**: $137,400.00 to $212,500.00 USD per year **Category**: Security **Industry**: Technology **Apply**: https://visa.wd5.myworkdayjobs.com/en-US/Visa/job/US---Foster-City-CA/Cybersecurity-Engineer_REF088409W?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply **Canonical**: https://yubhub.co/jobs/job_71f3d2a0-a01 ## Description Cybersecurity is at the heart of Visa's culture, and we're looking for a Cybersecurity Engineer and Security Architect to join our team. As a Cybersecurity Engineer and Security Architect, you'll work with a group of enterprise and application security architects, along with security researchers to lead the advanced prototyping to accelerate time-to-market of new and exciting cybersecurity research and innovative ideas and proposals. Your day-to-day responsibilities will include: - Being a product security champion by driving Security Architecture and Design/implementation/optimization for Web, API and Mobile, AI Agent applications across Visa. - Engaging in the initial requirements definition including analysis of threats and risks and alignment with Visa security, Engineering, IT and Architecture standards. - Conducting and facilitating security reviews, threat modelling including deep design reviews throughout the development lifecycle. - Facilitating "table-top"/red-team/scenario analysis exercises in conjunction with other SME's, and planning the resolution of any identified vulnerabilities/issues. - Developing proof-of-concept prototypes and scalable enterprise products for promising cybersecurity solutions leveraging AI/ML, ensuring alignment with Visa's existing security architecture and strategic goals. - Identifying and assessing innovative cybersecurity tools, companies, and concepts that can enhance Visa's security architecture. - Working closely with internal stakeholders, including the Cybersecurity Product Development team, to transition prototypes into fully operational products and solutions. - Automating security tools and processes to advance security capabilities across key cybersecurity areas, including access control, defense-in-depth, secure coding practices, and AI agent governance. - Continuously monitoring and analyzing emerging cybersecurity trends, technologies, and practices that have the potential to impact Visa's security posture. - Staying up to date on new security tools & techniques in the information security space. You'll be working on enabling/building security on various platforms and technologies which protect the applications from attacks like: - Payment processing platforms, Payment Wallet solutions, Consumer facing applications, COTS products deployed in house, public clouds, Issuer/Acquirer facing platforms and applications, white labelled solutions for partners. - zTPF, zOS, MVS, Linux, Windows, VMWare, Openstack, SDN, Public cloud like AWS, Google. - Cybersecurity tools like IDS, SIEM, Tripwire, Tanium, Netwitness, Netflow, WAF. - HSMs, Tokenization systems, data encryption solutions from Safenet, Vormetric etc. - Web technologies like HTTP, SOAP, REST services, AJAX. - Databases like Oracle, MS SQL, Couchbase, Cassandra, Riak, Aerospike. - Caching services like Kafka, Coherence, MQ. - Big-data like Hadoop. - Web Access Management solutions like Forgerock, Siteminder, Custom/in-house Security Frameworks. Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager. **Qualifications** Basic Qualifications: - 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience. - Agentic AI Development experience. - Experience in developing highly available and scalable enterprise services using Python. Experience with Java, Go, Rust or any other object-oriented programming language. - Hands-on experience with GenAI technologies , including LLMs, prompt engineering, embeddings, fine-tuning, and AI agents or agentic pipelines. - Cybersecurity training or education. Preferred Qualifications: - Specialist: 2 - 5 years of relevant work experience. - 1 year of Agentic AI Development experience. - Cybersecurity training or education. - Bachelor's degree in computer science (or equivalent) from an accredited university. - Minimum of 3+ years of experience in developing highly available and scalable enterprise services using Python. Experience with Java, Go, Rust or any other object-oriented programming language is a plus. - 1+ years of hands-on experience with GenAI technologies , including LLMs, prompt engineering, embeddings, fine-tuning, and AI agents or agentic pipelines. - Strong software engineering background with experience in Python, PyTorch, TensorFlow, or JAX.. - Hands-on experience with LLMs (e.g., GPT, Claude, Mistral), vector databases (e.g., FAISS, Pinecone), and orchestration tools (e.g., LangChain, LangGraph, Autogen). - Hands-on experience with design and development tools like IntelliJ, VSCode, Postman, and Jupyter. - Expertise in evaluating various large language models (LLMs), assessing their performance, and comparing their capabilities to identify suitable models based on business requirements. - Hands-on experience with AI model APIs and AI agent frameworks. - Proficiency in modern backend architectures, including cloud-native development (e.g., AWS, GCP, Azure), containerization (Docker/Kubernetes), and distributed systems. - Proficiency in working with both RDBMS and NoSQL databases. - Proven ability to build Threat Models and analyze security weaknesses in complex deployments with varying technology stack. - Expertise in securing the integration of multiple environments across on-premises, multi-cloud, and hybrid architectures. Strong understanding of application and network security. - Good understanding of current compliance, regulatory and legal requirements relevant to the transaction processing industry such as PCI, HIPPA, SOX, and GLB. - Ability to multi-task in a dynamic and fast-paced environment. - Solid understanding of software development best practices and principles. - Experience with Agile methodologies and practices. - Strong analytical and problem-solving skills with attention to detail. - Excellent communication skills, both written and verbal, to effectively collaborate with cross-functional teams. ## Skills ### Required - Python - Java - Go - Rust - GenAI technologies - LLMs - prompt engineering - embeddings - fine-tuning - AI agents or agentic pipelines - Cybersecurity training or education ### Nice to have - Agentic AI Development experience - Bachelor's degree in computer science - Experience in developing highly available and scalable enterprise services using Python - Hands-on experience with GenAI technologies - Strong software engineering background - Experience with AI model APIs and AI agent frameworks - Proficiency in modern backend architectures - Proficiency in working with both RDBMS and NoSQL databases --- Source: [Apply at visa.wd5.myworkdayjobs.com](https://visa.wd5.myworkdayjobs.com/en-US/Visa/job/US---Foster-City-CA/Cybersecurity-Engineer_REF088409W?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)