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
• Competitive compensation and growth potential