Profile
Red team offensive security and application security pentest engineer, with a computer architecture background who loves the cloud and AI.
Experience
Robinhood Markets, Inc. (Austin, TX - Remote)
Senior Offensive Security Engineer, Penetration Testing Lead (Oct 2025 - Present)
- Penetration testing lead managing the internal pentest queue, scoping and prioritizing engagements, and driving remediation to closure with product teams.
- Executed application security reviews for microservices prior to public launches, identifying design and implementation risks early and aligning owners on mitigations.
Senior Offensive Security Engineer (Oct 2023 - Oct 2025)
- Performed collaborative red team exercises against the crypto custody environment, demonstrating tangible risk reduction for multiple billions of dollars in crypto assets.
- Led stealthy external-to-internal red team operations end-to-end, including phishing page design and building fingerprinting/payload gating to ensure implants were only served to internal employees.
- Leveraged Mythic for command-and-control and developed custom Mythic commands to support multiple TTPs that were initially undetected; partnered with blue team to close detection gaps.
- Coordinated cross-functional red/blue collaboration to improve security posture, detection coverage, and incident readiness.
Praetorian Security, Inc. (Austin, TX)
Lead DevSecOps Engineer (Mar 2020 - Oct 2023)
- Automated provisioning of cloud infrastructure with Terraform and ArgoCD to support Kubernetes workloads which greatly improved development velocity for Praetorian’s Chariot product.
- Improved security in the cluster using an Istio service mesh utilizing mTLS for pod-to-pod communication.
- Deployed Open Policy Agent (OPA) to secure the external API of Chariot using a multi-tenant RBAC model.
- Developed dashboards using Prometheus and Grafana to visualize stability of the Chariot platform, along with collecting security relevant metrics.
- Implemented an efficient serverless SIEM using GCP Cloud Functions, BigQuery, and Pub/Sub. Presented at Austin’s local DFIR group.
- Assisted IT team with completion of first SOC2 Type II certification for Praetorian.
- Deployed zero touch deployment of end-user workstations, providing seamless access to essential applications, while efficiently supporting end-user equipment during a period of extraordinary growth exceeding 100% throughout the challenges posed by COVID-19.
Lead Security Engineer (Oct 2018 - Mar 2020)
- Collaboratively executed purple team assessments with clients to improve their mean time to detection (MTTD) of various threat actors using the MITRE ATT&CK Framework.
- Led and successfully executed multiple NIST assessments for large clients with diverse subsidiaries, ensuring adherence to industry-leading security standards and regulatory compliance.
- Performed offensive penetration tests and vulnerability assessments for Fortune 1000 companies.
Senior Security Engineer (Jun 2017 - Oct 2018)
- Performed IoT security assessments against smart devices and medical devices.
- Mentored junior staff on conducing commodity internal and external security assements for clients.
Security Engineer Intern (May 2016 - Aug 2016)
- Executed social engineering phishing campaigns for user awareness training.
- Collaborated with colleagues for development of a streamlined internal reporting system.
ARM Holdings (Austin, TX)
Verification Enablement Engineer (Jan 2015 - Jul 2015)
- Wrote verification templates for compliance testing using a random architectural verification engine (RAVEN) for a variable vector length SIMD ISA.
- Benchmarked templates against architectural coverage to verify correctness.
- Developed directed tests which stressed the ISA using tables of “interesting” numbers.
National Instruments (Austin, TX)
Software Engineering Intern (May 2014 - Jul 2014)
- Backported new features to a Windows kernel driver.
- Implemented direct memory access functionality to improve performance.
- Interacted with the hardware team to verify the correct timing of the driver.
Telogis (Austin, TX)
Software Development Intern (May 2013 - Aug 2013)
- Coded a web application in ASP.NET MVC3, and JavaScript to execute scripts on remote linux machines.
- Developed an algorithm to filter invalid data for an application which reported the statistical probability that a driver would speed on a certain street.
- Interfaced a Raspberry pi to stress test the tracking units.
Education
- MS Electrical and Computer Engineering, Purdue University (Aug 2015 - May 2017)
- BS Electrical and Computer Engineering, The University of Texas at Austin (Aug 2010 - Dec 2014)
Skills
High-level
- Go
- Python
- C#
- Java
Low-level
- C
- C++
Security
- Burp Suite
- Metasploit
- Nmap
- Wireshark
- Open Policy Agent
Containers
- Kubernetes
- Docker
- containerd
IaC
- Terraform
- ArgoCD
- Kustomize
- Helm
Logs, Data, & Visualization
- Prometheus
- Grafana
- BigQuery
- Stackdriver
Cloud
- GCP
- AWS
- Azure
Languages
- Romanian (Native)
- English (Native)
Certifications
- FAA Commercial Pilot, Airplane, Instrument Rating Aug 2025
- Certified Kubernetes Security Specialist (CKS) Aug 2021
- Certified Kubernetes Administrator (CKA) Aug 2021
- GIAC Systems and Network Auditor (GSNA) Apr 2019
Interests
- Flying
- Skiing
- Paddleboarding
- Cooking
- Travelling