Senior Systems Operations Developer
Core
Maintain, optimize, and support business-critical messaging platforms, email security solutions, and Linux-based systems to ensure reliability and operational excellence.
Role type
Senior Systems Operations Developer (Messaging & Email Infrastructure)
Builds
Production messaging infrastructure, email security gateways, and automated operational workflows
Domain
Financial services / Email & Messaging Operations
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Linux administration, SMTP routing, Proofpoint, Cloudmark, email security protocols (SPF/DKIM/DMARC), incident response, root-cause analysis, mail-flow troubleshooting
Preferred skills
Shell/Python/Bash scripting, cloud platforms (AWS/Azure/GCP), 24x7 support environment experience
Technologies
Linux, Proofpoint, Cloudmark, SMTP, DNS, TLS
Responsibilities
Manage and support messaging and email infrastructure in production environments; Administer and troubleshoot Linux-based systems and services; Configure, maintain, and troubleshoot Proofpoint and Cloudmark messaging and email-security solutions; Design, implement, and maintain SMTP routing, relays, gateways, connectors, and mail-flow configurations; Analyze email delivery issues, including bounces, delays, rejections, spam classifications, and routing failures; Monitor system health, performance, availability, capacity, and message-processing workflows; Investigate and resolve production incidents using structured root-cause analysis; Develop scripts and automation to improve operational efficiency and reduce manual processes; Implement and maintain operational procedures, runbooks, support documentation, and knowledge articles; Support upgrades, patches, configuration changes, migrations, and production deployments; Collaborate with engineering, security, network, infrastructure, and support teams to resolve complex issues; Ensure messaging systems meet security, compliance, availability, and performance requirements; Participate in on-call rotations and provide timely support for critical production issues; Identify opportunities to improve monitoring, alerting, reliability, and overall product operations.
Seniority
Senior, hands-on IC