Diondria Holliman
Cyber Security | (ISC)² Global Achievement Award Recipient
- Role
- IT Cybersecurity Project Manager at Medtronic
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About Diondria Holliman
Recent Awards & Recognition 2026 — Medtronic ADN Technology Inclusion & Innovation Award 2024 — FutureCon Cybersecurity Excellence Award 2023 — SWE Houston Metro Area Career Achievement Award 2021 — (ISC)² Global Achievement Award — Mid-Career Professional Favorite Quote “Know what sparks a light in you. Then use that light to illuminate the world.” ~ O.W. Security Leader | Strategist | ConnectorSeasoned security professional with 15+ years driving Corporate Information Security Strategy, Compliance, Security Architecture, and Data Privacy. Deep expertise across cloud & infrastructure security, risk management, vulnerability management, endpoint hardening, and business continuity.🧠 Creative problem-solver who bridges the gap between technical and non-technical teams, translating complex security concepts into clear business value. A pragmatic, people-first leader known for building empowered teams that balance innovation, efficiency, and best practices. Core SpecialtiesMergers & Acquisitions Team Leadership & Development Information Security Management Cryptography / Encryption Endpoint/Email SecurityApplication Security Client RelationsAgile Methodologies SAST/DASTRisk Management Master Data Management Business Continuity & Disaster Recovery Planning Multi-Site Data Center Strategies HIPAA and PCI Compliance, OCR Audit Preparation Data Privacy (GDPR, CCPA) NIST Cybersecurity Framework Portfolio, Program, & Project Management Certifications & Badges
Experience
IT Cybersecurity Project Manager
Jul 2020 — Present · Houston, TX, US
Successfully lead global enterprise data protection programs and solutions focused on security-related technologies such as SIEM, IAM, IDS/IPS, data loss prevention, digital rights management, network control access, and encryption. Organized/Led in-person and virtual workshop series to align I&O and GCISO teams, fostering cross-functional collaboration, strategic alignment, and collective problem-solving Interface with software security by design teams to oversee programs, projects, & other initiatives to make strategic recommendations to leadership on standards and policy changes Collaborate across enterprise to improve business continuity, disaster recovery, and incident response plans Serve as a domain expert for cryptographic technologies to enhance systems via encryption protocols (SSL/TLS), algorithms (RSA, AES, SHA), public key infrastructure (PKI), and hardware security modules (HSM) Execute cross-functional projects/programs to solve complex cybersecurity, technology, and cloud adoption challenges Provide guidance on vulnerability remediation, countermeasures, and risk mitigation to improve ability to detect, block, alert, & respond to threats Facilitate security risk analysis to identify acceptable levels of residual risk Design KRIs and metrics to build risk reports for management Mentor staff to increase Credentialed CISSPs & serve as a cybersecurity advisor
Education
University of Maryland Global Campus
MS, Computer Systems Management
Georgia Southern University
BS, Computer Science
Find verified contacts for anyone on LinkedIn
Unifers gives sales teams verified emails and direct dials, enriched profiles, and outreach that lands in the inbox.
Free plan included · No credit card required
This profile is compiled from publicly available professional sources. Unifers is not affiliated with or endorsed by LinkedIn. Request removal of this profile.