{"id":4126231,"url":"https://alion.io/job/proofpoint-principal-ml-engineer","title":"Principal ML Engineer","company":{"id":5122,"name":"Proofpoint","domain":"proofpoint.com","url":"https://alion.io/company/proofpoint","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":87,"open_postings":15,"ghost_share":0,"stale_share":0.533,"repost_share":0,"time_to_fill_p50_days":39,"computed_at":"2026-11-11T05:49:22Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Go","optional":false},{"name":"AI Agents","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Rest API","optional":true}],"status":"live","first_seen_at":"2026-11-11T00:00:00Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-12T01:33:05Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About Us:\nProofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.\nHow We Work:\nAt Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:\nBold in how we dream and innovate\nResponsive to feedback, challenges and opportunities\nAccountable for results and best in class outcomes\nVisionary in future focused problem-solving\nExceptional in execution and impact\nAbout the role:\nWe are looking for a Principal Backend Engineer to join our team and work on scalable, production-grade systems built with Go. You will contribute to the development of microservices that power core product features, while gaining hands-on experience with modern backend architectures. This role is ideal for someone who enjoys building efficient systems, solving performance challenges, and working closely in real-world production environments.\nKey Responsibilities:\n- Design and implement features end to end\n- Develop and maintain microservices using Golang\n- Contribute to API design and service-to-service communication\n- Debug and resolve issues across distributed systems\n- Write clean, maintainable, and well-tested code\n- Collaborate with engineers across product and infrastructure teams\nRequired Qualifications:\n- 10+ years of experience building scalable systems\n- Strong Experience with Go\n- Strong leadership and ownership experience\n- Understanding of backend fundamentals (APIs, databases, concurrency, networking)\n- Contribute to system design discussions and technical decisions\n- Familiarity with microservices architecture or distributed systems concepts\n- Strong problem-solving skills and attention to detail\n- Proactive mindset and eagerness to learn in a fast-paced environment\nPreferred Skills:\n- Experience with REST APIs, or messaging systems\n- Familiarity with Goroutine and asynchronous development techniques\n- Familiarity with Docker or containerization Exposure to cloud platforms (AWS, GCP, or Azure)\nWhy Proofpoint?\nAt Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:\nCompetitive compensation\n\nComprehensive benefits\n\nCareer success on your terms\n\nFlexible work environment\n\nAnnual wellness and community outreach days\n\nAlways on recognition for your contributions\n\nGlobal collaboration and networking opportunities\n\nOur Culture:\nOur culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.\nWe encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to .\nHow to Apply\nInterested? 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