Jonathan Coroama
Senior Software Engineer and Security / Site Reliability Engineer
St Louis,MT
Summary
Senior Software Engineer and Security / Site Reliability Engineer with 15+ years of experience designing, operating, and securing large-scale distributed systems. Deep expertise in cloud-native platforms, observability, and reliability engineering for high-throughput, mission-critical environments. Proven leader in building resilient platforms, embedding security and telemetry by design, and mentoring engineers to deliver reliable, data-driven systems at global scale.
Overview
29
29
years of professional experience
4
4
Certifications
3
3
Languages
Work History
Service Manager, Threat Detection Platform
OpenText
St. Louis, MO
11.2024 - Current
- Lead strategy and delivery of threat detection and entitlement services supporting 99.99%+ availability.
- Architect end-to-end observability pipelines integrating logs, metrics, and traces across high-throughput transaction systems.
- Advance CI/CD automation on Azure and Kubernetes, embedding monitoring, validation, and auto-remediation into deployments.
- Pioneer human-in-the-loop AI methodologies to support anomaly detection, operational insight, and safe automation.
- Integrated observability-driven fraud prevention and tokenization into production pipelines.
- Designed modular ingestion workflows with built-in telemetry, health checks, and resilience controls.
- Established SLOs and SLIs to enforce reliability standards across globally distributed services.
Senior Security Engineer / Technical Lead
T-Mobile
Seattle, WA
01.2019 - 11.2024
- Led deployment of Zero Trust Architecture with embedded observability for anomaly detection and security posture visibility.
- Designed and implemented monitoring for Kubernetes clusters, including RBAC visibility, pod health, and automated security scanning.
- Built distributed tracing and log normalization pipelines, significantly improving mean-time-to-detect (MTTD) and mean-time-to-recover (MTTR).
- Mentored engineers on observability-first design, resilience patterns, and CI/CD instrumentation best practices.
- Via Insight Global
Senior Cloud Engineer
Avalon Consulting
St. Louis, MO
01.2017 - 01.2019
- Built multi-cloud observability frameworks across AWS and Azure, integrating monitoring into all infrastructure and application deployments.
- Automated infrastructure health dashboards using Terraform/Terragrunt and cloud-native monitoring services.
- Strengthened purchase and subscription platforms with improved governance, telemetry, and reliability controls.
Master Security Engineer
DXC Technology
Remote
01.2015 - 01.2017
- Developed a 5G security monitoring stack using Kubernetes-based microservices and real-time observability.
- Designed SIEM ingestion pipelines supporting high-volume telemetry analytics.
- Delivered multi-tenant Kubernetes operations with built-in resilience and service isolation.
Senior Security Engineer
AT&T
01.2013 - 01.2015
- Supported global SIEM environments and built fraud and threat detection pipelines with integrated telemetry.
Cybersecurity Engineer
DISA
01.2007 - 01.2013
- Led forensic investigations and IDS operations for secure government communications.
Cryptography & Cybersecurity Specialist
U.S. Air Force
01.1997 - 01.2007
- Managed cryptographic compliance and monitored secure, encrypted communications systems.
Education
B.A - Computing - Information Systems
DePaul University
Chicago, IL08.2026
Skills
- Observability
- Anomaly detection
- Software Engineering
- Python
- REST API design
- Cloud Engineering
- Kubernetes
- CI/CD
SIEM/SOAR
Schema / Mapping
Certification
Certified Ethical Hacker (CEH)
Timeline
Service Manager, Threat Detection Platform
OpenText
11.2024 - Current
Senior Security Engineer / Technical Lead
T-Mobile
01.2019 - 11.2024
Senior Cloud Engineer
Avalon Consulting
01.2017 - 01.2019
Master Security Engineer
DXC Technology
01.2015 - 01.2017
Senior Security Engineer
AT&T
01.2013 - 01.2015
Cybersecurity Engineer
DISA
01.2007 - 01.2013
Cryptography & Cybersecurity Specialist
U.S. Air Force
01.1997 - 01.2007
B.A - Computing - Information Systems
DePaul University