Princess Mariano

Observability Engineer | Scaling Performance through Intelligent Automation & Data Enrichment | Championing 99.9% Availability

Dallas-Fort Worth Metroplex

About

Systems Architect and operations leader with 20+ years in IT, focused on observability, automation, and operational excellence across complex, large‑scale infrastructures.

Experience

  • Senior Technical Specialist (Operations Support System Engineer) at 1Finity
    Jul 2025 - Present · 1 yr

    - Own the end-to-end lifecycle of monitoring ecosystems, proactively optimizing network performance and visibility across diverse, large-scale environments. - Drive efficiency and scalability by designing and integrating automation solutions for onboarding, event/fault/incident management, and reporting—tailored to meet specific customer requirements and SLAs.

  • Senior Operational Support System Admin at Fujitsu Network Communications
    Jan 2019 - Jul 2025 · 6 yrs 7 mos

    - Manage and support all monitoring applications used to monitor multiple customer’s networking infrastructures to ensure the highest level of availability and operability. - Enable efficiency and automation by building and integrating applications to automate onboarding, event/fault/incident Management and reporting based on customer’s requirements.

  • Data Scientist at Thinkful
    Jun 2020 - Feb 2021 · 9 mos

    - Learned industry best practices and modern data science standards alongside a senior data scientist mentor. - Developed and presented projects involving exploratory data analysis, data cleaning, machine learning, statistical modeling, study design, statistics, and probability. Projects: Face Mask Detection - Image Classification using Scikit-learn and CNN to identify if a person is wearing a face mask or not. Predicting Used Car Prices - Supervised learning. Used regression model to predict prices of used cars.

  • ETC (Electronic Transaction Consultants) (6 yrs 6 mos)
    • Associate Systems Architect
      Jul 2017 - Dec 2018 · 1 yr 6 mos

      - Worked closely with customers, internal staff, and other stakeholders to determine the planning, implementation, and integration of automated tolling systems. - Participated in Proof of concept deployment and evaluated and integrated commercial off-the-shelf (COTS) software and tools to supplement, enhance, or replace proprietary systems.

    • System Engineer
      Jul 2012 - Jul 2017 · 5 yrs 1 mo

      - Built and maintained systems infrastructure consisting of Windows, Linux, and virtual products. - Designed, planned, implement and maintain systems in on Premise, Hybrid, or Cloud deployments depending on customer requirements including HA and distributed systems.

  • JPMorgan Chase & Co. (Contract · 7 yrs 5 mos)
    • Application Operations Analyst
      Mar 2010 - Jul 2012 · 2 yrs 5 mos

      - Monitored and ensured that all batch jobs and scheduling activities are completed on time. Follows ASG defined by application owners and developers to resolve jobs and activities that don't meet the company's SLA and notifies and escalates to the proper group if needed. - Follows ASG defined by application owners and developers to resolve jobs and activities that don't meet the company's SLA and notifies and escalates to the proper group if needed.

    • Server System Engineer (Remote Management Center)
      Mar 2005 - Mar 2010 · 5 yrs 1 mo

      - Managed distributed servers (PROD/DR/UAT) for various LOBs within JP Morgan Chase remotely. Responsibilities include day to day server monitoring/maintenance, resolve any technical and functional errors, and resolving user requests. - Responsible for remediation of system alerts, these alerts verified the integrity and availability of all hardware, server resources, file systems, and key processes/daemon. These alerts go to the ticket queue and respond to confirm failure, check system logs, and troubleshoot appropriately.