Marilynn Zayan

Marilynn Zayan

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Principal Systems Engineer @ Zillow
San Diego, California, United States

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Résumé

Jobs verified_user 0% verified
  • Zillow
    Principal Systems Engineer
    Zillow
    Feb 2026 - Current (9 months)
  • Zillow
    Senior DevOps Engineer
    Zillow
    Nov 2023 - Feb 2026 (2 years 4 months)
  • Amazon Web Services AWS
    Senior Systems Development Engineer (L6), Controlled Working Environment
    Amazon Web Services AWS
    Sep 2022 - Nov 2023 (1 year 3 months)
    • Technical Infrastructure Lead of 5 engineers, driving strategy and prioritization for over 45 initiatives.
    • Mentored/coached junior engineers on career navigation, team cohesiveness, and technical guidance.
    • Led the development and maintenance of a virtualized corporate environment used by 1,500 AWS employees/partners to support $1.1B contractual work for US Government business verticals.
    • Successfully established and maintained a NIST 800-171 & CMMC Level 5 compliant environment for the secure processing and storage of both Controlled Unclassified Information and International Traffic in Arms Regulation data.
  • Amazon Web Services AWS
    Systems Development Engineer (L5), Controlled Working Environment
    Amazon Web Services AWS
    Sep 2020 - Sep 2022 (2 years 1 month)
    • Developed and managed a complex networking setup across multiple AWS regions/partitions, leveraging Site-to-Site VPN and Transit Gateway routing
    • Lead the creation of the CWE team’s software development lifecycle process, introducing change management, infrastructure as code (CDK/CloudFormation), canary/unit testing, impacting >70 solutions.
    • Created a highly available Microsoft Active Directory solution with a Certificate Authority using CDK automation, PowerShell scripts, Group Policy Objects, and management of AD groups and computers.
    • Created various service offerings of virtual desktops using Amazon WorkSpaces and AppStream for 1,500 users.
    • On-call engineer work including tier 2 and tier 3 support, complet
  • Cigna
    Software Engineer Senior Advisor, Advanced Analytics
    Cigna
    Mar 2020 - Sep 2020 (7 months)
    • Automated data ingestion from on-premise systems into AWS reducing SLA time from 2 weeks to 8
    hours upon table request from data scientists.
    • Pioneered the automation achievements of the team towards a mono repo CICD deployment approach
    to the cloud that decreased overall delivery time and increased performance quality of deliverables.
    • Created a data scientist front end portal using Angular and Node to access integrated vendor software
    in AWS hosted on an Elastic Kubernetes Service (EKS) cluster deployed by terraform.
    • Reduced 90% of security vulnerabilities across three AWS accounts by locking down IAM permissions
    and public access across a variety of resources in order to protect PII and PHI data h
  • Cigna
    Software Engineer Advisor, Advanced Analytics
    Cigna
    Feb 2019 - Mar 2020 (1 year 2 months)
    • Engineered solutions in AWS for multiple projects
    • Created AWS infrastructure as code using both terraform and cloudformation templates
    • Used please build as a wrapper for terraform code
    • Worked on networking components to establish a connection between on prem and AWS through both VPN and TGW in AWS.
    • Set up proof of concept environments with several analytics platform vendors in an AWS account
    • Developed a secure pipeline using AWS machine learning services to run analysis on audio files containing PHI data
    • Automated OpenShift deployments through templates.
  • Cigna
    Software Engineer (TECDP Specialist), DevOps Guild
    Cigna
    Jan 2018 - Jan 2019 (1 year 1 month)
    • Engineered 13 CICD pipelines to build and deploy application code to target servers using various
    technologies including Maven, Jenkins, Artifactory, uDeploy, and Cigna’s Private Cloud.
    • Developed reusable Ansible scripts to automate the creation and bootstrapping of Jenkins nodes.
    • Lead engineer of automating the process to upload batch jobs to the ESP Mainframe in a CICD manner.
    • Enabled teams to integrate DevOps into their release strategy through a formal intake process.
  • Cigna
    Application Developer (TECDP Analyst), Enterprise Client Computing
    Cigna
    Jul 2016 - Jan 2018 (1 year 7 months)
    • Built and managed 5 applications with a team of 4 developers and user interface specialists. 
    • Used JavaScript, HTML, and CSS to curate a frontend UI that exceeded expectations of the stakeholders.
    • Lead the development, management, and deployment of an application that manages service requests.
    • Deployed multiple applications across many releases using SQL and Oracle Application Express.
  • HewlettPackard
    Intern
    HewlettPackard
    Jun 2014 - Jul 2014 (2 months)
    360 Notes Project
    • Created web app user interface.
    • Created web services for querying a database.
    • Consumed web services on web page and crafted the results into a user friendly display.
    • Utilized technical skills including .Net framework, javascript, jquery, html, c#, and linq to entities.
  • Career Athletes
    On Campus Intern
    Career Athletes
    Feb 2014 - May 2014 (4 months)
    • Met with the Athletic Director to discuss leadership traits and on the partnership between Career Athletes and Penn State.
    • Educated fellow student-athletes on how to better stand out in an online professional networking site, such as Career Athletes.
Education verified_user 0% verified
  • Pennsylvania State University
    Bachelor's degree, Information Technology
    Pennsylvania State University
    Jan 2012 - Jan 2016 (4 years 1 month)
  • University of Sydney
    University of Sydney
    University of Sydney
Projects (professional or personal) verified_user 0% verified
    This is a community-created genome.