Software Engineer - SMB Specialist

Software Engineer - CPD (SME)

Location : Bangalore
About Team & About Role:

As a Software Engineer  — SMB Specialist in the Continuous Product Delivery (CPD) team, you will play a key role in ensuring long-term stability, reliability, and customer delight for Rubrik's SMB (Server Message Block) and Windows file-sharing capabilities. You will be part of a team of engineers and work closely with the Multiple engineering, product, and support organizations.

You will work across Rubrik releases on our data backup & management offering, with deep focus on the SMB subsystem — including Active Directory domain integration, SMB share provisioning, Samba service management, and archival I/O via the SMB protocol. You are expected to develop a strong understanding of our product and engineering architecture, such as our distributed job framework, data lifecycle management, filesystem, metadata store, and the SMB service's containerized multi-domain architecture.Within CPD, you will work closely with the multiple Snappable  team at Rubrik. The mission of this team is to develop a highly reliable, secure, scalable, and performant software-defined platform that radically simplifies building, deploying, and managing physical and virtual appliances on-premise and in the cloud.

Rubrik CPD - SEs are self-starters, driven, and can manage themselves. We believe in giving engineers responsibility, not tasks. Our goal is to motivate and challenge you to do your best work by empowering you to make your own decisions. To do that, we have a very transparent structure that gives people the freedom to exercise judgment, even in critical scenarios. This develops more capable engineers and keeps everyone engaged and happy, ultimately leading to customer delight.

KEY RESPONSIBILITIES

• SMB Subsystem Ownership: Own the end-to-end SMB component — including design, implementation, testing, and maintenance of SMB share management, Active Directory domain integration, and Samba container lifecycle.
• SMB Share Provisioning & Security: Develop and enhance dynamic SMB share creation, access control (valid users, host allow lists, read-only/read-write policies), SMB encryption enforcement, and durable handle support.
• Live Mount & Managed Volume Support: Ensure seamless SMB share lifecycle for Windows backup/restore operations, including automatic share creation during restore windows and cleanup after completion.
• Diagnose and Resolve Complex Issues: Troubleshoot SMB-related problems in complex customer environments 
• Code Quality & Collaboration: Develop and maintain code in Scala, Python, and Thrift. Participate in code reviews, ensure adherence to coding standards, and continuously improve software quality.
• Technical Documentation: Write and maintain technical documentation for SMB subsystem architecture, REST/Thrift APIs, and operational runbooks.
• Cross-Functional Collaboration: Collaborate with cross-functional teams to define, design, and ship new features..
• Stay Current: Keep up-to-date with emerging trends in SMB protocol evolution (SMB3.x), Samba releases, Active Directory changes, and Windows file-sharing best practices.

ABOUT YOU

Must Have

• BTech/MTech/PhD in Computer Science
• 3-6 years of software development experience on Linux, preferably with exposure to Windows interoperability, file-sharing protocols, or identity management
• Strong expertise in the SMB/CIFS protocol — hands-on experience with SMB2/SMB3, Samba server administration, and Windows file-sharing architecture
• Strong fundamentals in data structures, algorithms, and distributed systems design
• Proficient in Scala or Java, with working knowledge of Python
• Experience with Thrift or similar RPC frameworks (gRPC, Protobuf) for inter-service communication
• Familiarity with REST API design and implementation
• Solid grasp of Linux systems programming, including filesystem semantics, POSIX ACLs, and user/group management
• Excellent troubleshooting, problem-solving, and analytical skills
• Strong communication skills and ability to work in a team environment

• Good to have  -
• Active Directory & Kerberos experience — solid understanding of AD domain services, LDAP, Kerberos authentication, and cross-platform identity integration
• Experience with containerized service architectures (Docker) — managing isolated service instances and their lifecycle
• Expertise in debugging and troubleshooting protocol-level issues — including packet captures, authentication failures, and permission conflicts
• Large distributed systems design and development experience is preferred
• Knowledge of Storage, Filesystems, or Data Protection technologies is a plus

Join Us in Securing and Accelerating the World's AI Transformation

Rubrik (RBRK), the Security and AI Operations Company, leads at the intersection of data protection, cyber resilience, and enterprise AI acceleration. Rubrik Security Cloud delivers complete cyber resilience by securing, monitoring, and recovering data, identities, and workloads across clouds. Rubrik Agent Cloud accelerates trusted AI agent deployments at scale by monitoring and auditing agentic actions, enforcing real-time guardrails, fine-tuning for accuracy and undoing agentic mistakes. 

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Inclusion @ Rubrik

At Rubrik, we are dedicated to fostering a culture where people from all backgrounds are valued, feel they belong, and believe they can succeed. Our commitment to inclusion is at the heart of our mission to secure the world’s data.

Our goal is to hire and promote the best talent, regardless of background. We continually review our hiring practices to ensure fairness and strive to create an environment where every employee has equal access to opportunities for growth and excellence. We believe in empowering everyone to bring their authentic selves to work and achieve their fullest potential.

Our inclusion strategy focuses on three core areas of our business and culture:

• Our Company: We are committed to building a merit-based organization that offers equal access to growth and success for all employees globally. Your potential is limitless here.

• Our Culture: We strive to create an inclusive atmosphere where individuals from all backgrounds feel a strong sense of belonging, can thrive, and do their best work. Your contributions help us innovate and break boundaries.

• Our Communities: We are dedicated to expanding our engagement with the communities we operate in, creating opportunities for underrepresented talent and driving greater innovation for our clients. Your impact extends beyond Rubrik, contributing to safer and stronger communities.

Equal Opportunity Employer/Veterans/Disabled

Rubrik is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Rubrik provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Rubrik complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. 

Federal law requires employers to provide reasonable accommodation to qualified individuals with disabilities. Please contact us at hr@rubrik.com if you require a reasonable accommodation to apply for a job or to perform your job. Examples of reasonable accommodation include making a change to the application process or work procedures, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment.

EEO IS THE LAW

NOTIFICATION OF EMPLOYEE RIGHTS UNDER FEDERAL LABOR LAWS

Experience Level

Senior Level