Senior Platform Engineer (Observability)

We’re seeking a Senior Monitoring Engineerto join a high‑performing Monitoring Engineering team in a fast‑paced finance technology organization. You’ll design, develop, and maintain monitoring and observability solutions that keep core applications and infrastructure healthy and visible. In close partnership with application, platform, and development teams, you will implement alerting systems, dashboards, correlations, and automation—driving reliability, reducing MTTR, and elevating operational awareness.Critical thinking, system analysis, and proactive troubleshooting are essential to success in this role.Key ResponsibilitiesDesign, Build, and Maintain Monitoring & Observability SolutionsDevelop and maintain instrumentation, telemetry, and alertingfor the Enterprise Monitoring Center using industry‑leading tools, such as:GrafanaOpsRampAppDynamicsElastic StackBigPandaAWS CloudWatchAzure MonitorImplement Observability best practices, ensuring comprehensive coverage of metrics, logs, and tracesacross critical systems.Integrate and manage OpenTelemetryfor distributed tracing and telemetry data collection, enabling end‑to‑end visibility of business‑critical transactions.Collaboration & Project ParticipationCollaborate with application development teams to define and document observability requirementsfor each project or release.Participate in complex initiatives, ensuring accurate and actionable monitoring and tracing are in place for every step of business‑critical workflows.Alerting & Escalation ProcessDefine and maintain standardized alert payloadsper engineering guidelines, ensuring alerts are actionable.Partner with Level 2 and Level 3 support teams to reflect process changes in monitoring dashboards.Maintain and optimize thresholds, ensuring seamless escalationsvia BigPandaas the central alert hub.Dashboard Creation & MaintenanceCreate and maintain intuitive, actionable dashboardsfor the Enterprise Monitoring Center and other finance teams.Ensure dashboards are effectively monitored by Level 1 teams, presenting clear, actionable data that reduces MTTR.System Validation, Documentation & AutomationDevelop and maintain automation scriptsto enhance monitoring efficiency and improve team quality of life.Proactively identify process improvementsand learning opportunities; drive continuous improvement.Automation & Quality‑of‑Life ImprovementsContribute to the automation of monitoring, alerting, and operational tasksto streamline workflows and improve overall system reliability.QualificationsEducationBachelor’s in Computer Science, IT, or related field.ExperienceMinimum 4 yearsin a technology organization, with 1 yearhands‑on engineering experiencein monitoring or production operations.Required SkillsStrong experience developing instrumentation and alertingfor large, complexenvironments.Expertise in 4of the following: OpsRamp, Grafana, AppDynamics, Elastic Stack, InfluxDB, BigPanda, and other monitoring solutions.Hands-on experience with Observability concepts and frameworks, including metrics, logs, and traces.Working knowledge of OpenTelemetryfor distributed tracing and telemetry data collection.Experience with dashboard creation, alert management, and tool configuration.Excellent verbal and written communication—able to present complex technical issues to both technical and non‑technical stakeholders.Strong problem‑solving and troubleshootingin high‑pressureenvironments.Ability to prioritize and manage multiple tasksin a deadline‑drivensetting.Proven collaboration with cross‑functional teamsin large, complex IT environments.Experience with scripting(e.g., Bash, PowerShell) and proficiency in one programming language(e.g., Python, C family, JavaScript).Experience designing and implementing scalable, reliablemonitoring solutions.Experience with agile software development methodologiesFamiliar with problem diagnosis; performance tuning; capacity planning and configuration management across the stack via continuous improvement.Preferred QualificationsExperience querying, manipulating, and visualizing time‑seriesdata.Familiarity with Infrastructure as Codetools (e.g., Ansible, Terraform).Strong understanding of how to create actionable, digestible visualizationsfor Level 1 monitoringteams.Working knowledge of REST APIs, JSON, and ServiceNow.Experience with cloud monitoring—particularly AWSor Azure.OneMain Holdings, Inc. is an Equal Employment Opportunity (EEO) employer. Qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship status, color, creed, culture, disability, ethnicity, gender, gender identity or expression, genetic information or history, marital status, military status, national origin, nationality, pregnancy, race, religion, sex, sexual orientation, socioeconomic status, transgender or on any other basis protected by law.SummaryLocation: Evansville, INType: Full time OneMain Holdings Inc