resu·mail

Sustaining Engineer

at Proofpoint

India Mid Posted 2026-04-24

Don't apply into the void — reach the hiring manager

ResuMail finds the recruiters and hiring managers behind this Sustaining Engineer role at Proofpoint, drafts a personalised outreach email, and schedules the send — so your application actually gets seen.

Reach the hiring manager ›

About this role

About Us:   Proofpoint 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. How We Work: At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values:  Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact Sustaining Engineer – Archive Platform Company Overview   At Proofpoint, we protect people, data, and brands from advanced threats and compliance risks. We build and   operate   a highly scalable cloud security platform trusted by more than half of the Fortune 100. Our teams combine deep technical   expertise   with operational excellence to deliver resilient, high-scale systems that customers rely on every day.     The Role   We are   seeking   a highly technical Sustaining Engineer to support and strengthen our Archive platform. This role sits at the intersection of engineering and production operations and   is responsible for   deep technical investigations, root cause analysis, and long-term stability improvements.   Our Archive solution is a large-scale distributed system spanning legacy data center components and modern AWS cloud infrastructure. The codebase is extensive and complex, and this role requires a full   stack   engineer who can move confidently across services, APIs, databases, messaging systems, and infrastructure layers.   This is not a traditional support role. You will act as an engineering owner for production issues, working directly in the code, debugging live systems, and implementing durable fixes that improve reliability and performance.   You will also   participate   as part of the24x7 on-call rotation   for the Sustaining Engineering   team,   and   play a key role in   maintaining   production   health for mission critical services.     What You Will Do   ·        Lead deep technical investigations into production issues across the Archive platform   ·        Perform root cause analysis across   application,   database, infrastructure, and cloud layers   ·        Implement code level and architectural fixes to improve system reliability   ·        Partner with Support and Product teams on high severity customer escalations, occasionally participating   directly in customer calls and interactions   ·        Assist Operations teams to   maintain   service availability and daily “firefighting”   ·        Drive systemic improvements that reduce recurring incidents and operational toil   ·        Improve observability, logging, and debugging capabilities   ·        Contribute to zero downtime deployments and service resiliency improvements   ·        Participate in on-call rotation and respond to critical production incidents     What You Bring   ·        5 or more years of experience building and   operating   commercial software systems   ·        Strong   proficiency   in one or more  object-oriented languages such as C#, Java, or PythonC++  ·        Extensive experience   working with   applications built on   AWS   Managed Services   including EC2, S3, RDS,   DynamoDB, and EKS     ·        Deep understanding of distributed systems, concurrency, and high availability architectures   ·        Experience debugging complex, large scale production systems   ·        Full stack capability across backend services, APIs, databases, and infrastructure, with comfort in both Linux and Windows   OS environments   ·        Experience working in hybrid environments spanning data center and AWS cloud   ·        Strong troubleshooting and analytical skills with the ability to diagnose ambiguous system failures   ·        Experience with CI/CD, source control, automated testing, and production monitoring tools   ·        Ability to work effectively in high pressure situations and manage multiple priorities   ·        Excellent   written and verbal   communication skills   including the ability to explain complex technical issues clearly   ·          Preferred Qualifications   ·        Familiarity with messaging systems, search platforms, and large-   scale storage systems   ·        Experience with Microsoft Exchange and MAPI   ·        A strong understanding of GenAI fundamentals and working experience using Agentic AI development tools and techniques     ·        Experience   participating   in or leading incident response       Why This Role Matters   The Archive platform supports some of the largest organizations in the world. Reliability and performance are critical. This role ensures that our systems   remain   resilient, scalable, and stable while we continue to evolve the architecture and migrate customers to the   cloud-native   Archive 6.0   platform.   If you enjoy solving hard technical problems, diving into complex systems, and improving production reliability at scale, this role will challenge and reward you.   Why Proofpoint? At 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: Competitive compensation Comprehensive benefits Career success on your terms Flexible work environment Annual wellness and community outreach days Always on recognition for your contributions Global collaboration and networking opportunities   Our Culture: Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com .   How to Apply Interested? Submit your application along with any supporting information- we can’t wait to hear from you!

How to get this job at Proofpoint

  1. Don't rely on the portal. Cold applications for a role like Sustaining Engineer land in a pile of hundreds. A direct, personalised message to the hiring manager or a referrer is the fastest way in.
  2. Find the right person. ResuMail surfaces the actual recruiters and hiring managers at Proofpoint — not a generic careers inbox.
  3. Send tailored outreach. ResuMail drafts an email personalised to your resume and this role, then paces and schedules sends so you stay out of spam.
  4. Follow up. One polite nudge after 5–7 days roughly doubles reply rates — scheduled for you.

Reach Proofpoint's hiring managers today.

Free to start. No credit card. Built for Indian job seekers.

Start free with ResuMail ›