Sales/Business Development Manager - Wireless & Telecom

Sales / Business Development Manager – Wireless & Telecom Location: Preferably Allen, TX or Seattle, WA (Open to other major U.S. cities for the right candidate) Company: GCB Services LLC About GCB Services LLC: GCB Services LLC is a trusted engineering and technology services partner to the major wireless operators and OEMs across the United States. With over 20 years in business, we specialize in delivering high-quality Network Engineering, RF Design, In-Building/DAS, Small Cell, Fiber, 5G, and Cloud/IoT solutions. Our team is driven by our commitment to innovation, customer success, and long-term partnerships. Position Overview: We are looking for an experienced Sales / Business Development professional to join our growing team. This role is critical in driving new business across the wireless and telecom sectors, with a strong emphasis on T-Mobile relationships. Candidates with experience working in smaller organizations—who thrive in fast-paced, entrepreneurial environments—are strongly preferred. Key Responsibilities: Lead end-to-end business development activities within the wireless/telecom domain. Leverage active T-Mobile relationships to secure new opportunities and expand existing business. Build and maintain strong partnerships with carriers, OEMs, integrators, and enterprise clients. Develop tailored proposals, presentations, and sales strategies to meet customer needs. Collaborate with internal engineering and delivery teams to ensure seamless project execution. Analyze market trends and competitive insights to support strategic planning. Achieve sales KPIs, revenue goals, and contribute to long-term company growth. Travel across the USA as needed for client meetings, events, and business engagements. Required Skills & Experience: 5–10 years of wireless/telecom sales experience in the U.S. market. Mandatory: Active T-Mobile contacts and a proven history of securing projects from T-Mobile. Prior experience working with small companies; ability to operate with autonomy and agility. Strong communication, negotiation, and client relationship skills. Self-motivated, results-driven, and capable of managing multiple priorities. Willingness and ability to travel within the USA. Why Join GCB? Over 20 years of industry presence supporting major U.S. wireless operators Agile, growth-oriented work environment Opportunity to make a direct impact and work closely with leadership