Hiroshi Tashima

Background

About Hiroshi Tashima

Pre-sales engineer in Systems Engineering with over 20 years of experience across IP, optical, and wireless transport technologies. I specialize in designing and delivering complex network solutions spanning IP/MPLS, DWDM, microwave, and network synchronization, supporting Tier-1 telecom operators and enterprises. My career bridges deep hands-on technical expertise and leadership, with experience across the full telecom network lifecycle—from pre-sales and technical marketing to architecture, design, deployment, and operations support. I bring more than 15 years of hands-on experience working with European operators, including two years based in Budapest, Hungary. This background has strengthened my ability to operate effectively in multicultural environments and align diverse stakeholders. I have led and developed engineering teams of up to 10 members, focusing on technical excellence, customer impact, and sustainable team growth. My core expertise includes IP networking (BGP, OSPF), MPLS (TE, VPN, TP, Segment Routing), SDN, IP multicast, optical transport (DWDM, SDH), mobile backhaul, and cybersecurity. I am bilingual in Japanese and English and known for translating complex technical challenges into clear, business-driven solutions. I am passionate about building resilient, high-performance networks and leading teams that deliver measurable business value through technology.