Engineering Team Professional Bios

Certified. Experienced. Ready to serve your business with enterprise-grade cybersecurity & IT expertise.

Bruno Rocha

Senior IT Strategist & Infrastructure Architect

PROFESSIONAL BIO

Bruno Rocha is a senior IT strategist and infrastructure architect at Xperts Unlimited, where he serves as a strategic technology partner to organizations across multiple industries. With deep expertise spanning network security, cloud transformation, and enterprise infrastructure, Bruno aligns technology decisions with business growth, risk management, and operational continuity.

Bruno leads cross-functional technical teams while maintaining executive-level relationships, ensuring that every initiative delivers measurable business outcomes. His experience overseeing complex, multi-site environments supporting over 1,000 endpoints positions him as a trusted advisor to businesses seeking scalability, cybersecurity resilience, and long-term IT sustainability.

As a managed service provider (MSP) engineer, Bruno drives infrastructure modernization including cloud migrations, platform upgrades, and system transitions with minimal disruption to day-to-day operations. He strengthens cybersecurity posture through layered defense strategies (leveraging Fortinet, Sophos, and SonicWall), proactive threat monitoring, and policy-aligned security frameworks.

Bruno’s commitment to operational excellence extends to architecting robust business continuity frameworks, intelligent automation pipelines, and AI-enhanced workflows that reduce response times and elevate service quality. His certifications from Microsoft and CompTIA, combined with a Master Certificate in Business Management, underscore his unique ability to bridge the gap between technical depth and business strategy.

CERTIFICATIONS & EDUCATION

Microsoft Certified Professional (MCP) — Microsoft
CompTIA Network+
CompTIA A+
Master Certificate in Business Management — Master Class Management

CORE COMPETENCIES

Network & security infrastructure design (Fortinet, Sophos, SonicWall)
Cloud platforms: Google Workspace, Microsoft 365, Azure
Virtualization: VMware, Hyper-V, Citrix
Large-scale migrations for data, email, full systems
IT automation & AI-driven optimization (RMM, MDM, endpoint & policy management)

Aaron Puchahes

IT Solutions Engineer (Business & Technical Operations)

PROFESSIONAL BIO

Aaron Puchahes brings a rare combination of business acumen and technical expertise to his role as an IT Solutions Engineer at Xperts Unlimited. Holding a Bachelor of Arts in Business Administration with Department Honors from the University of La Verne, Aaron understands that technology is only as valuable as its impact on business performance, a perspective that shapes every client engagement.

Backed by his CompTIA A+ certification, Aaron delivers reliable, end-to-end IT support that spans hardware diagnostics, software configuration, and proactive system maintenance. His business degree gives him the ability to communicate technical solutions in terms that resonate with decision-makers, making him an invaluable bridge between IT teams and business stakeholders.

As part of Xperts Unlimited’s managed services team, Aaron is committed to ensuring clients receive responsive, high-quality IT support that keeps operations running smoothly. His client-first approach, combined with a strong academic foundation and hands-on technical training, makes him a dependable partner for businesses looking to maximize their technology investments.

CERTIFICATIONS & EDUCATION

B.A. in Business Administration (Department Honors), University of La Verne
CompTIA A+

CORE COMPETENCIES

IT operations & end-user support
Business process alignment with technology solutions
Hardware & software troubleshooting
Client relationship management
MSP service delivery

David Drake

Network & Systems Engineer (Microsoft & Cisco Specialist)

PROFESSIONAL BIO

David Drake is a multi-certified network and systems engineer at Xperts Unlimited, specializing in Microsoft environments and Cisco networking infrastructure. His portfolio of certifications includes Cisco Certified Networking Associate (CCNA), Microsoft Certified Professional (MCP), CompTIA A+, Microsoft Windows Server 2016, and Microsoft Office 365, and reflects a comprehensive command of the technologies that power modern business IT environments.

David’s expertise spans the full infrastructure stack: from designing and managing Cisco network architectures to deploying and administering Microsoft 365 productivity platforms and Windows Server environments. His dual certifications in Microsoft Productivity and Microsoft Core Infrastructure demonstrate his ability to both optimize end-user experiences and maintain the underlying systems that support enterprise operations.

At Xperts Unlimited, David plays a critical role in delivering reliable, scalable, and secure managed IT services. Whether configuring a Cisco switch, migrating a client to Microsoft 365, or hardening a Windows Server environment, David brings meticulous attention to detail and a deep technical foundation that businesses depend on. His work ensures clients benefit from best-in-class network performance, seamless collaboration tools, and resilient core infrastructure.

CERTIFICATIONS & EDUCATION

Microsoft Certified Professional (MCP)
CompTIA A+
Cisco Certified Networking Associate (CCNA)
Microsoft Productivity Specialist
Microsoft Core Infrastructure Specialist
Microsoft Windows Server 2016
Microsoft Office 365

CORE COMPETENCIES

Cisco network design & implementation
Microsoft Windows Server administration (2016+)
Microsoft 365 / Office 365 deployment & management
Core infrastructure design & optimization
End-user productivity & collaboration platforms
Hardware support & A+ level diagnostics

Brian Galli

IT Support Engineer (Microsoft & CompTIA Certified)

PROFESSIONAL BIO

Brian Galli is a certified IT support engineer at Xperts Unlimited, bringing reliable technical expertise and a commitment to exceptional client service. Holding both the CompTIA A+ certification and the Microsoft Certified Professional (MCP) designation for Windows Professional environments, Brian is well-equipped to support the diverse hardware and software needs of today’s businesses.

Brian’s CompTIA A+ certification, the industry benchmark for IT support professionals, validates his proficiency in hardware troubleshooting, operating system configuration, networking fundamentals, and security best practices. His MCP credential further demonstrates expertise in deploying and managing Microsoft Windows environments, a staple of the modern enterprise workplace.

As a member of Xperts Unlimited’s managed services team, Brian delivers responsive, knowledgeable IT support that minimizes downtime and keeps end-users productive. His hands-on approach and strong troubleshooting capabilities make him a go-to resource for businesses that rely on dependable, day-to-day IT operations.

CERTIFICATIONS & EDUCATION

CompTIA A+
Microsoft Certified Professional (MCP) — Windows 7 Professional

CORE COMPETENCIES

End-user hardware & software support
Microsoft Windows desktop environments
PC diagnostics, repair & configuration
Help desk & tier 1/2 technical support
MSP service delivery

Dhennis Tolentino

Network Engineer (U.S. Air Force Veteran & IT Infrastructure Specialist)

PROFESSIONAL BIO

Dhennis Tolentino is a network and communications engineer at Xperts Unlimited whose career is defined by discipline, precision, and mission readiness. As a U.S. Air Force veteran, Dhennis developed his technical foundation in some of the most demanding environments imaginable where network uptime and communications reliability are not optional.

Dhennis holds a Bachelor of Science in Network and Communications Management, complemented by an Associate of Arts in Information Technology and Networking. His academic credentials are reinforced by military training through the Community College of the Air Force (CCAF), NCO Academy, and Airman Leadership School, programs that shaped both his technical knowledge and his leadership capabilities.

At Xperts Unlimited, Dhennis brings the same level of operational rigor to commercial clients that he applied in his Air Force career. His expertise in network infrastructure, communications management, and IT project coordination makes him an asset for businesses requiring dependable, scalable network solutions. Dhennis’s military background instills a structured approach to problem-solving and a deep understanding of security-first IT practices; qualities that set Xperts Unlimited apart as a trusted managed service provider.

CERTIFICATIONS & EDUCATION

B.S. in Network and Communications Management
A.A. in Information Technology and Networking
Community College of the Air Force (CCAF)
NCO Academy Graduate
Airman Leadership School Graduate

CORE COMPETENCIES

Network infrastructure design & management
Communications systems & protocols
IT project leadership & team coordination
Defense-grade security practices
Structured troubleshooting & problem resolution

Mohammed H.

Senior Network Architect (CCIE & Cybersecurity Expert)

PROFESSIONAL BIO

Mohammed is one of the most credentialed network architects in the managed IT services industry, bringing an elite combination of Cisco, cybersecurity, cloud, and compliance expertise to Xperts Unlimited’s clients. Holding the prestigious Cisco Certified Internetwork Expert — Enterprise Infrastructure (CCIE EI #66445) designation, Mohammed has achieved one of the most rigorous and respected certifications in the networking world — a credential held by fewer than 40,000 professionals globally.

Beyond his CCIE, Mohammed’s certifications span the full spectrum of modern enterprise IT: Fortinet Certified Associate (FCA) and Fortinet Certified Professional (FCP) for security fabric expertise; Zscaler Zero Trust Certified Architect (ZTCA) for next-generation network security frameworks; AWS Advanced Networking Specialty (AWS ANS) and AWS Solutions Architect (AWS SA) for cloud infrastructure design; and CMMC Certified Professional (CCP) for cybersecurity compliance — a credential increasingly required by defense contractors and government-adjacent organizations.

At Xperts Unlimited, Mohammed architects enterprise-grade network solutions that prioritize security, scalability, and compliance. Whether designing a Zero Trust architecture, optimizing AWS cloud networking, or guiding an organization toward CMMC compliance, Mohammed delivers the depth of expertise that high-stakes environments demand. His presence on the Xperts Unlimited team reflects the firm’s commitment to providing clients with access to world-class talent at the managed services level.

CERTIFICATIONS & EDUCATION

Cisco Certified Internetwork Expert — Enterprise Infrastructure (CCIE EI #66445)
CMMC Certified Professional (CCP) — exam passed, certification pending attestation
Fortinet Certified Associate (FCA)
Fortinet Certified Professional (FCP)
Zscaler Zero Trust Certified Architect (ZTCA)
AWS Advanced Networking Specialty (AWS ANS)
AWS Solutions Architect (AWS SA)

CORE COMPETENCIES

Enterprise network architecture & design (Cisco)
Zero Trust Network Access (ZTNA) implementation
Fortinet security fabric (FCA, FCP)
AWS cloud networking & architecture
CMMC compliance & cybersecurity maturity modeling
Advanced routing, switching & WAN optimization