Senior Site Reliability Engineer

Overview As a Senior Site Reliability Engineer at Proofpoint, you will help shape the reliability and scalability of our next-gen security products. You’ll contribute to architecture decisions to improve performance and operability across data centers and AWS. You’ll operate and scale production services, collaborating with Product, Engineering, and Operations to prevent incidents and optimize systems. This role offers ownership, cross-functional collaboration, and the chance to influence infrastructure at scale. Compensation / BenefitsCompetitive compensationComprehensive benefitsFlexible work environmentAnnual wellbeing and community outreach daysVolunteer daysWork from Anywhere option ResponsibilitiesBuild partnerships across Product, Engineering and Operations to foster collaborationParticipate in a 24x7, multi-site production infrastructure including deployment, maintenance, troubleshooting, performance tuning and securityRoot-cause complex problems involving network, hardware and software related to scale and performanceEnsure proper monitoring, alerting, capacity planning and reporting in productionContribute to evolving design and architecture of reliable and scalable infrastructureFirst line of defense during working hours for alerts or incidentsCollaborate with product engineering to ensure Operations standards and plan resource impacts for deploymentsParticipate in on-call rotation and handle escalated issues as needed Key requirements7+ years’ experience in troubleshooting and tuning systems, networking, and cloud servicesInfrastructure-as-Code experience (Terraform, Ansible, CloudFormation)Scripting experience (Node.js, Python) for automationStrong knowledge of TCP/IP, HTTP, DNS, LDAPExperience managing large distributed computing environments and cloud infrastructureExperience with virtualization (KVM, VMware vSphere, OpenStack)Experience with monitoring and alerting systemsExperience with change management and incident management, in colocation data centersExperience with AWS EC2 and Microsoft AzureBS or MS in Computer Science, Engineering or related technical discipline, or equivalent experienceUS citizenship requiredCollaborative and cross-functional teamworkCalm under pressure and incident response focusAttention to detail and ownership mindsetTerraformAnsibleCloudFormation