Client Relations Specialist, Energy Advisory

About Mantis

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.

The Client Relations Specialist plays a critical role in supporting and servicing existing client accounts by acting as a key liaison between clients, internal sales teams, channel partners, and energy supply partners. This role is responsible for maintaining strong relationships, ensuring accurate and timely contract processing, and resolving post‑sale issues to deliver high‑quality client experience throughout the contract lifecycle.

• Respond to and triage 95%+ of client inquiries within 1 business day via shared inbox and direct communication channels
• Resolve ≥90% of client issues (billing, enrollment, supplier discrepancies) within defined SLA timelines
• Reduce recurring client or supplier issues by identifying and escalating at least 2 process improvements per quarter
• Maintain timely and accurate communication with Sales, channel partners, and suppliers, with follow‑up documented in internal systems for assigned client issues.

• Serve as a primary point of contact for assigned client accounts, including communication related to contract status, billing questions, service changes, and ongoing support
• Manage and monitor a shared client relations mailbox, ensuring timely responses, proper triage, and appropriate follow‑up on inbound requests
• Maintain strong working relationships with energy suppliers to support issue resolutions
• Partner closely with internal sales teams to support active accounts, clarify contract details, and assist with client needs
• Support channel partners by addressing questions and assisting with client‑related requests and post‑deal support
• Track and document account activity, communications, and issue resolution in internal systems to ensure visibility and accountability
• Troubleshoot post‑sale issues such as enrollment delays, billing discrepancies, or supplier rejections and drive them to resolution
• Escalate complex, time‑sensitive, or high‑impact issues appropriately while maintaining ownership through resolution
• Identify recurring issues, process gaps, or trends and contribute to continuous improvement initiatives
• Maintain compliance with internal policies, documentation standards, and industry requirements

• Bachelor’s degree in Business, Finance, Operations, Analytics, or equivalent experience in lieu of degree
• Strong proficiency with Microsoft Office, especially Excel
• Strong analytical and detail‑oriented aptitude; a high degree of accuracy
• Excellent communication and organizational skills
• Ability to manage time effectively, set priorities and meet deadlines
• Ability to learn and adapt to change

• Prior experience in customer service or professional services related environments
• Experience in energy, utilities, or a contract‑heavy operational environment
• Exposure to finance‑adjacent workflows (billing, margin analysis, reporting)

• Work environment:
  Hybrid work environment (3‑days a week in office) with regular use of computer systems, email, spreadsheets, shared inboxes, and internal platforms
• Physical requirements:
  
  Prolonged periods of sitting and working at a computer. Frequent use of keyboard, mouse, phone, and standard office equipment. Occasional standing, walking,…