Cristian Sarafoleanu

Trusted Technical Advisor with more than 23 years of experience helping enterprise and public sector organizations make confident technology decisions through secure, resilient, and scalable cloud and enterprise architectures. Specialized in Hybrid Cloud, Cloud Security, Enterprise Networking, and Solution Architecture, with extensive experience guiding customers through cloud adoption, architecture modernization, and digital transformation initiatives. Recognized for combining deep technical expertise with a collaborative, customer-focused approach to solving complex architectural challenges.

Partner with enterprise customers, engineering teams, product management, and cross-functional stakeholders to translate business requirements into practical cloud solutions, validate architecture decisions, and reduce technical risk.

Cloud Networking Black Belt - Office of the CTO at Oracle Corporation (2021-01 – Present)

Serve as a Trusted Technical Advisor for enterprise and strategic customers across EMEA, guiding secure Hybrid Cloud, Cloud Networking, and Cloud Security architecture decisions while enabling customer adoption through workshops, technical validation, and knowledge sharing.

• Advised enterprise customers throughout cloud adoption and architecture modernization initiatives, helping translate business requirements into secure, scalable cloud designs.
• Guided more than 200 architecture workshops covering OCI networking, hybrid connectivity, cloud security, and architecture best practices.
• Led 100+ architecture engagements and approximately 100 proof-of-concept engagements to validate solution designs, reduce implementation risk, and increase customer confidence before production deployment.
• Collaborated with Engineering and Product Management on Limited Availability networking capabilities by identifying suitable customer use cases, enabling early adoption, validating real-world scenarios, and channeling customer feedback into product readiness.
• Built trusted relationships across customers, sales, customer success, engineering, and product organizations to resolve complex architecture and connectivity challenges collaboratively.
• Contributed to technical enablement through Oracle Cloud Infrastructure Blog, Oracle Learning, Oracle Cloud Coaching, mentoring, and architecture guidance.
• Recognized through the Oracle ACE of Heart Award for collaboration, technical expertise, and customer commitment, helping customer-facing teams resolve complex cloud networking, hybrid connectivity, and security challenges while improving customer confidence.

Customer Success Manager - Cloud Network Specialist at Oracle Corporation (2018-01 – 2021-12)

Guided enterprise customers through Oracle Cloud Infrastructure adoption by providing architecture guidance, networking expertise, workshops, proof of concepts, troubleshooting, and best practices.

• Designed cloud networking architectures for enterprise customers across multiple industries and public sector environments.
• Delivered architecture workshops and technical enablement sessions to accelerate adoption and improve customer readiness.
• Partnered with customers to resolve complex networking, connectivity, and migration challenges while validating new OCI capabilities and best practices.

Planning & Design Service Engineer at Ericsson (2014-01 – 2018-12)

Designed and implemented enterprise IP infrastructure and IP security solutions for large-scale telecommunications environments, including network change planning, technical delivery coordination, and architecture guidance for secure, highly available services.

Head of Technical Department / Network Administrator at Grupul Industrial GIR (2008-01 – 2014-12)

Led technical operations and designed enterprise networking infrastructure, customer connectivity solutions, VPN and Internet services, BGP sessions, SLAs, departmental processes, and technical project delivery.

Cisco Specialist at UPC Romania (2006-01 – 2008-12)

Designed, implemented, and troubleshot resilient Cisco networking, VPN, wireless, monitoring, and data center solutions supporting enterprise IT infrastructure and business operations.

Network Administrator | NOC Team Leader | Network Operator at Radiocom (2002-01 – 2006-12)

Built a strong foundation in service provider networking, MPLS backbones, BGP routing, VPN services, NOC leadership, network operations, customer service delivery, and SLA-driven support.

Engineer's Degree in Information Technology – Hyperion University, Bucharest