Key Account Director

Customized Energy Solutions (CES) is a global energy services and technology company that helps market participants operate, comply, and compete in deregulated electricity and natural gas markets. Founded in 1998 and headquartered in Philadelphia, CES works with utilities, independent power producers, energy suppliers, developers, asset owners, and investors across North America and globally.

CES delivers market intelligence, regulatory and market design support, asset and portfolio management, retail market operations, and energy technology solutions. Our teams track and interpret ISO/RTO rules and policy developments, support resource planning and market participation, manage operational and settlement processes, and develop proprietary software platforms—including CES BLUE, GOLD, RED, GRIDBOOST, and CoMETS—that help clients manage risk, optimize performance, and respond effectively to market change.

CES is committed to advancing transparent, efficient, and non-discriminatory energy markets while delivering practical, high-quality solutions marked by integrity, rigor, and long-term client value.

CES has been nationally and regionally recognized for sustained growth and innovation, including listings on the Inc. 500|5000 and Philadelphia Business Journal’s Top 100 Companies, as well as a Best Places to Work designation with Hall of Fame status for five or more consecutive years.

With headquarters in Philadelphia and offices across the U.S., Canada, Japan, India, and Vietnam, CES offers a collaborative, flexible, and globally connected work environment for professionals passionate about the future of energy.

The Key Account Director is responsible for managing and growing relationships with CES’s most strategic clients. This individual will serve as a trusted advisor, ensuring high levels of client satisfaction while driving revenue through renewals, upselling, and business line expansion. The role requires a strong balance of relationship management, strategic account planning, and sales execution.

Key Responsibilities

• Serve as the primary relationship manager for assigned key accounts, building trusted, long-term partnerships.
• Develop and execute strategic account plans to achieve revenue growth, retention, and expansion goals.
• Drive renewals by proactively engaging accounts well ahead of contract expiration.
• Identify opportunities to upsell CES’s existing solutions and expand adoption across business lines.
• Collaborate with internal teams (operations, product, regulatory, and support) to ensure client satisfaction and deliver value.
• Maintain deep knowledge of CES service offerings, energy markets, and client business objectives.
• Track account health, engagement, and growth opportunities using CRM and reporting tools.
• Act as clients advocate within CES, ensuring client needs and feedback inform business strategy.
• Represent CES at industry events, conferences, and client meetings as a trusted partner.

• Bachelor’s degree in Business, Energy, or related field; MBA a plus.
• 8+ years of account management, business development, or client-facing sales experience (energy sector experience strongly preferred).
• Proven track record of driving revenue growth through upselling, renewals, and cross-selling.
• Exceptional relationship management and communication skills with C-level stakeholders.
• Strong strategic thinking, problem-solving, and negotiation skills.
• Ability to thrive in a dynamic, fast-paced environment with multiple stakeholders.
• Proficiency with CRM systems (Salesforce experience plus).

Customized Energy Solutions offers competitive salary commensurate with experience. Benefits include performance bonus, profit-sharing, Medical Savings Account, comprehensive health insurance, disability insurance, life insurance, 401k matching and tuition reimbursement. 

At CES, you will gain: 

• Meaningful responsibility and the opportunity to make a real impact in dynamic energy markets
• The change to learn from and collaborate with experienced professionals across global teams
• Ongoing opportunities to strengthen your technical, analytical, and leadership skills
• A supportive culture that values initiative, accountability, and continuous professional growth

We believe that when associates are challenged, supported, and trusted with responsibility, they do their best work - and grow in process. 

Customized Energy Solutions provides equal employment opportunities to all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.