Stephen Mullennex
CISSP | CEH | CASP+/SecX | CySA+ | Sec+ | Net+ | CSAE | CSAP | CNDA | MS | MBA Candidate
- Role
- Cybersecurity Manager at NS2 Mission
- Location
- Washington, DC, US
- LinkedIn followers
- 500 followers
About Stephen Mullennex
Stephen Mullennex is a U.S. Navy veteran and accomplished Cybersecurity Leader with more than a decade of expertise across the Department of War (DoW), Defense Industrial Base (DIB), and Intelligence Community (IC). He has delivered high-impact Information System and Industrial Security support throughout the Washington, D.C, Maryland, and Virginia (DMV) region for premier organizations including SAP, Northrop Grumman, RTX, and Booz Allen Hamilton.Stephen’s career reflects a proven ability to safeguard national security interests across unclassified, collateral, special access, and intelligence environments. His track record includes driving innovative solutions to complex cybersecurity challenges while strengthening resilience in rapidly evolving digital landscapes.He holds a Master’s in Cybersecurity from Western Governors University, a Bachelor’s in Cybersecurity from Old Dominion University, and multiple industry certifications. Currently pursuing an MBA at Boston University (expected 2026), Stephen continues to expand his strategic and executive leadership capabilities to advance security initiatives at the highest level.
Experience
Cybersecurity Manager
Jan 2025 — Present · Washington, DC, US
Information Systems Security Manager (ISSM)
Education
Western Governors University
Master of Science - MS, Cybersecurity and Information Assurance
2022 — 2023
Old Dominion University
Bachelor of Science - BS, Cybersecurity
2015 — 2018
Questrom School of Business, Boston University
Master of Business Administration - MBA
2024 — 2026
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