Allan Klein

About Allan Klein

I began my career in system and network administration, managing infrastructure, identity, and production environments before moving into dedicated security roles. That operational foundation shapes how I approach security today.I have worked with organizations ranging from small and mid-sized businesses to Fortune 10 enterprises across financial services, insurance, wireless communications, and software. Many of these environments operate under strict regulatory and operational requirements, reinforcing the need for practical, scalable security solutions.After transitioning into security engineering and incident response, I gained firsthand experience investigating breaches and supporting organizations during active security incidents. That background sharpened my understanding of what teams actually need from detection, response, and data protection platforms.Today, I serve as a presales consultant leader and technical advisor, partnering with customers to understand their environments, identify gaps, and align the right solutions to their security and operational objectives. I lead discovery sessions, technical evaluations, and proof of value engagements to ensure platforms are validated against real-world use cases and measurable success criteria.In addition to customer-facing responsibilities, I mentor and support fellow sales engineers, sharing field insights, competitive experience, and technical best practices to strengthen team performance and consistency. I enjoy developing technical talent and helping elevate the overall impact of the sales organizations.

Experience

1. Senior Manager, Solutions Engineering - Strategic Accounts

   SentinelOne

   Feb 2026 — Present · Las Vegas, NV, US

   Led technical strategy and execution for complex, high-value enterprise opportunities across strategic accounts in the Western US• Partnered with Sales leadership to influence deal direction, competitive positioning, and technical win strategy across multi-million dollar opportunities• Provided executive-level technical guidance on security architecture, risk posture, and platform adoption in large-scale environments• Acted as senior technical authority in competitive displacement efforts, helping secure wins in highly contested sales cycles• Maintained hands-on involvement in Proof of Value engagements and complex technical evaluations

Education

• DeVry University

  Bachelor of Science, Network & Communications Management

  2003 — 2006

• Capella University

  Master's Degree, Information Systems & Technology Management, Information Assurance and Security

  2012 — 2014

Skills

• Windows
• System Administration
• Information Security
• Linux
• Penetration Testing
• Firewalls
• Dns
• Computer Forensics
• Vpn