Energy Efficiency Program Manager Jobs in Delaware

We help organizations improve how their buildings perform by bringing together energy, facility operations, and sustainability into one connected approach. At Mantis, our teams work across the full lifecycle of a facility—from planning and design to field execution and long‑term asset management—across commercial and industrial portfolios, data centers, and complex mechanical systems.

Our work spans four core areas: Building Controls, Energy Efficiency, Energy Advisory, and Facility Management—covering HVAC/mechanical optimization, BMS/BAS and EPMS controls, lighting system upgrades, energy brokerage, roofing and building envelope assessments, construction management, and more.

Whether you’re in sales, engineering, construction/project management, field operations, corporate, or technology, you’ll play a role in delivering these solutions and helping clients improve facility performance.

• Do you thrive on building client relationships and closing high‑value energy procurement deals?
• Are you passionate about delivering innovative energy solutions that make a real impact?
• Do you want to join a best‑in‑class team where your success is uncapped?

If you answered yes, let's talk!

We’re seeking a proven B2B sales professional with deep experience in energy procurement brokerage sales—specializing in electricity, natural gas, and green energy. As a Sales Executive on the energy team, you’ll play a critical role in driving new business growth and expanding our footprint into large key accounts (typically ~5,000 MWh and up).

This is a consultative sales role, focused on building long‑term client relationships and delivering solutions that help manage energy spend across procurement, efficiency strategies, and the full suite of Mantis offerings.

• Reports to: Director of Sales, Energy Key Accounts
• Hybrid Schedule: 3 days in‑office/week.
• Travel: 30-40% based on client meetings, events, etc.

• Prospect, uncover, and develop strategies to secure new business opportunities.
• Build and maintain a healthy pipeline of prospects and key energy accounts.
• Conduct calls and face‑to‑face meetings daily with C‑level decision makers.
• Position solutions that optimize energy spend and deliver measurable value.
• Analyze and report customer positions and commodity contract performance.
• Collaborate with internal teams to ensure seamless execution and client satisfaction.
• Maintain accurate records in Salesforce and other CRM tools.
• Exceed sales goals consistently and contribute to overall market share growth.

• 5+ years selling B2B electricity, natural gas, or green energy contracts (supplier or broker backgrounds welcome).
• Multi‑year track record of exceeding individual quotas (~$1M+).
• Strong proficiency in Microsoft Office and CRM systems.
• Demonstrated ability to sell into multiple levels of an organization.

• Hunter and closer mentality with exceptional networking and cold‑calling skills.
• Strategic and tactical selling expertise with new prospects.
• Excellent communication, negotiation, and presentation skills.
• Highly organized with the ability to manage multiple priorities in a fast‑paced environment.
• Consultative approach to building long‑term client relationships.
• Results‑driven mindset with relentless focus on exceeding targets.

$80,000 - $275,000 a year

Includes base salary (commensurate with experience) PLUS uncapped commission.

Note: Employees are held accountable for all duties of this job. This job description is not intended to be an exhaustive list of all duties, responsibilities, or qualifications associated with the position.

We offer a fantastic lineup of benefits, including Medical, Dental, Vision, FSA, HSA, 401k Matching, Paid Vacation, Paid Sick, Paid Holidays, Paid Parental Leave, Paid Short Term & Long Term Disability, Tuition Reimbursement, and a flexible hybrid work schedule (for office‑based employees). Working at Mantis also brings tremendous professional development opportunities that allow you to make a real impact on both the company and your career!

Studies show that women and individuals from underrepresented groups often hesitate to apply unless they check every box. At Mantis, we’re committed to building an inclusive and equitable team—so if this role excites you, we’d love to hear from you, even if your experience doesn’t match every single qualification.

Mantis Innovation is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.