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
The Role
The Role Proofpoint is looking for a highly motivated Sr. Software Engineer to join the Threat Response product engineering team. As part of the Threat Response team, you will help design, build, and operate the cloud platform that powers our services. This role is ideal for an engineer who enjoys software development while also taking ownership of cloud architecture, infrastructure scalability, reliability, security, and operational excellence. The ideal candidate has strong software engineering experience combined with practical expertise in cloud platforms and large-scale production environments.
What You’ll Work On
- Designing and operating scalable cloud platforms that support a global multi-tenant SaaS environment
- Building highly available and resilient architectures that support business continuity and disaster recovery objectives
- Designing secure networking solutions across AWS environments, regions, and accounts
- Managing containerized application platforms and deployment pipelines
- Driving operational excellence through observability, monitoring, automation, and reliability engineering practices
- Supporting database operations, upgrades, migrations, and platform scalability initiatives.
What You Bring to the Team
- Proven experience building enterprise or SaaS applications in Java and/or Python, including large-scale, highly available, secure cloud-native platforms
- Hands-on AWS networking and security experience, including VPCs, CIDR planning, Security Groups, cross-account IAM, secure connectivity between environments, disaster recovery, and regional failover
- Working knowledge of Terraform, including writing and maintaining modules, managing state, and safely executing plan/apply operations in shared environments
- Experience operating Kubernetes-based platforms and modern CI/CD pipelines in production environments
- PostgreSQL or other relational database experience, including upgrades, migrations, performance tuning, backup, recovery, and scalability
- Demonstrated ability to effectively leverage AI-assisted engineering tools for system design, implementation, testing, debugging, and operational support
- Strong analytical, problem-solving, communication, and collaboration skills
- BSc degree in Computer Science, Engineering, or equivalent practical experience
Preferred Qualifications
- Experience with AWS services such as EKS, RDS, MSK, Route 53, ELB, CloudWatch, SQS, and SNS
- Experience with CI/CD platforms such as CloudBees and/or Harness, and observability platforms such as Coralogix
- Experience with compliance frameworks such as FedRAMP, SOC 2, or ISO 27001.
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 [email protected].
How to Apply
Interested? Submit your application along with any supporting information- we can’t wait to hear from you!
Proofpoint Belfast, Northern Ireland Office
11 Weavers Court Linfield Road, Belfast, United Kingdom, BT12 5GH
