Julian Valentin
Bethesda,MD
Summary
Information Security Engineer with 6 years of experience securing cloud, endpoint, and network environments while ensuring regulatory compliance, including PCI DSS. Proven ability to design and implement security controls, manage SIEM and endpoint protection tools, conduct risk assessments, and lead compliance audits end-to-end. Strong background in vulnerability management, incident response, endpoint security, and cross-functional collaboration with executive leadership.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Oracle Security Consultant
Dollar General Corporate Headquarters
07.2025 - Current
- Joined a large-scale enterprise migration initiative supporting all Dollar General stores and employees nationwide.
- Implemented and maintained Oracle security standards, including role-based access controls and account provisioning policies.
- Designed and managed Oracle development and test environments to validate security configurations and employee access prior to production deployment.
- Authored detailed Oracle provisioning and security documentation, improving consistency and audit readiness.
- Supported multiple user acceptance and system testing cycles, assisting testers with account access and ensuring correct role assignments aligned to test scenarios.
- Collaborated directly with the Chief of Finance to plan, review, and resolve security and access control considerations ahead of go-live.
- Utilized Jira and ServiceNow to track, prioritize, and resolve security and access-related tickets, ensuring timely issue resolution and clear audit trails.
Technology Engineer
Archwell Health, LLC
04.2025 - 06.2025
- Led the deployment and operational readiness of medical technology infrastructure for six newly built primary care clinics.
- Installed, configured, and secured servers, firewalls, and network switches, ensuring reliable and compliant clinical operations.
- Deployed and configured endpoint hardware for physicians, nurses, and clinical staff across all locations.
- Provisioned and managed user accounts and access controls for medical and administrative personnel in accordance with security best practices.
- Conducted comprehensive testing and troubleshooting of clinical and IT systems prior to patient onboarding to ensure stability and performance.
- Ensured all systems met security policies, operational standards, and healthcare compliance requirements in preparation for go-live.
Information Security Engineer
Bill360 Inc
08.2021 - 01.2025
- Joined the company during early startup phase and helped build security and IT infrastructure from the ground up.
- Successfully achieved and maintained PCI DSS compliance for four consecutive years (2021–2024), serving as the sole owner of audit preparation, evidence collection, and auditor communication.
- Designed and implemented security policies, incident response procedures, and endpoint management workflows.
- Deployed and managed endpoint security across all platforms using SentinelOne, maintaining rapid response to alerts and remediation.
- Implemented and monitored security tooling including Datadog, SonarQube, AWS monitoring tools, JAMF, and Intune.
- Maintained a 90% Microsoft Secure Score across endpoints and servers.
- Built centralized security alerting by consolidating notifications from multiple tools into a single Microsoft Teams channel, improving response efficiency.
- Led rollout planning and implementation for new systems (Zoom, JAMF, SentinelOne, Datadog, SonarQube).
- Developed employee security awareness training and phishing simulation programs.
- Worked closely with the CTO to enhance security posture while simplifying operational workflows.
- Promoted from Technical Support Associate to Information Security Engineer within one year.
Education
NexGenT Cyber Security Professional (NCSP) - Information Technology
NexGenT — Cyber Security Specialist Program
Remote06-2021
Bachelor of Science - Computer Science
University of South Florida
Tampa, FL05-2020
Associate of Arts - Computer Science
Pasco Hernando State College
Spring Hill, FL05-2018
Skills
- PCI DSS Compliance (Audit Ownership)
- Risk Assessment & Vulnerability Management
- Incident Response & Threat Analysis
- Security Monitoring & Alert Triage
- SIEM & Endpoint Protection
- SentinelOne, Datadog, SonarQube, Fortinet Firewalls
- Azure AD, Microsoft Intune, JAMF
- AWS Security Monitoring
- VPNs, Firewalls, Nmap, Linux CLI
- Active Directory, Microsoft 365, macOS
- Technical Documentation & SOP Development
- Project & Vendor Management
- Executive & Client Presentations
- Team Leadership & Training
- Fast-paced / Startup Environments
Certification
- CompTIA Security+
- ITIL 4 — March 2024 (In the renewal process)
- NexGenT Cyber Security Professional (NCSP) — May 2021
- NexGenT Cyber Security Associate (NCSA) — April 2021
- Apple Certified iOS Technician (ACiT) — March 2021
Timeline
Oracle Security Consultant
Dollar General Corporate Headquarters
07.2025 - Current
Technology Engineer
Archwell Health, LLC
04.2025 - 06.2025
Information Security Engineer
Bill360 Inc
08.2021 - 01.2025
NexGenT Cyber Security Professional (NCSP) - Information Technology
NexGenT — Cyber Security Specialist Program
Bachelor of Science - Computer Science
University of South Florida
Associate of Arts - Computer Science
Pasco Hernando State College