Business Development Manager - Window & Exterior Building Cleaning

Interstate – A Premier Facility Services Provider•Horsham, PA

33d

About The Position

Our company provides professional window, exterior and interior cleaning services that enhance the appearance, safety, and longevity of commercial properties. From large-scale window cleaning to full façade washing and high-reach dusting, we help property owners and facility managers maintain their buildings year-round through scheduled maintenance programs and specialized cleaning solutions. We are seeking a Business Development Manager to expand our client base and strengthen relationships with existing customers. This role focuses on identifying new opportunities, cross-selling additional services, and helping clients maintain the professional look and performance of their buildings. You’ll work closely with the Director of Operations and the operations team to ensure accurate proposals, seamless delivery, and long-term client satisfaction.

Requirements

5-10 years of proven success in sales or business development, ideally within facility maintenance, building services, or commercial cleaning industries OR background in commercial property operations or related fields such as general contracting, estimating, property management.
Strong understanding of how commercial properties operate and the importance of proactive exterior maintenance.
Ability to evaluate sites, gather detailed field data, and translate observations into comprehensive scopes of work.
Excellent communication and relationship-building skills, with the confidence to engage property managers, owners, and building engineers.
Proficiency with Microsoft Office Suite (Word, Excel, Outlook).
Valid driver’s license and willingness to travel locally to client sites.
Valid driver's license and willingness to travel to project sites as needed.
Flexibility to work evenings, weekends, or overtime as required by project demands.
Commitment to upholding safety standards and promoting a culture of safety within the organization.

Responsibilities

Identify and secure new customers across commercial, institutional, and industrial markets.
Build upon existing customer relationships to introduce complementary cleaning and maintenance services.
Confidently communicate with facilities manages, property managers and decision-makers about ongoing building maintenance needs.
Develop and deliver proposals that align with client goals and service requirements.
Conduct on-site assessments to gather all information needed to prepare accurate scopes of work, pricing, and proposals.
Perform detailed site walks that include taking counts, photographs, and notes to ensure complete understanding of each property.
Evaluate access methods, equipment needs, and job site logistics in coordination with the operations team.
Translate field observations into clear, detailed proposals that set proper expectations and build client confidence.
Serve as the primary point of contact for key accounts, ensuring responsiveness and consistency of service.
Conduct periodic property visits to assess ongoing needs and identify new opportunities.
Partner with internal teams to schedule work efficiently and meet client timelines.
Provide proactive recommendations to preserve the appearance and functionality of the building exterior.
Work closely with leadership and field teams to align business development efforts with operational capabilities.
Support marketing and seasonal campaigns to promote routine cleaning and maintenance services.
Contribute to the continued growth and structure of the division, with the opportunity for leadership advancement as business expands.