Client Relations Specialist, Energy

Mantis Innovation

. Support and service existing client accounts as a key liaison between clients, internal sales teams, channel partners, and energy supply partners .

Posted 9/22/2026full-timeBurlington • Massachusetts • United StatesMid-LevelSenior💰 $60,000 - $74,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong client relationship management skills, with a focus on issue resolution, contract management, and compliance within the energy sector. Proficient in analytical tasks and effective communication to support client inquiries and operational processes.

Highest-signal resume keywords

Client Relationship ManagementIssue ResolutionAnalytical SkillsMicrosoft Excel ProficiencyEnergy Sector Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Client Account ManagementBilling Discrepancy ResolutionContract ManagementData Tracking and DocumentationProcess Improvement Identification

Soft Skills

Excellent CommunicationOrganizational SkillsTime ManagementAdaptability

Tools & Technologies

Microsoft Office

Industry Keywords

EnergyUtilitiesCustomer ServiceFinance-Adjacent WorkflowsOperational Environment

About the role

Key responsibilities & impact

Support and service existing client accounts as a key liaison between clients, internal sales teams, channel partners, and energy supply partners
Respond to and triage 95%+ of client inquiries within 1 business day via shared inbox and direct communication channels
Resolve at least 90% of client issues, including billing, enrollment, and supplier discrepancies, within defined SLA timelines
Serve as primary point of contact for assigned client accounts regarding contract status, billing questions, service changes, and ongoing support
Manage and monitor a shared client relations mailbox, ensuring timely responses, proper triage, and follow-up
Maintain working relationships with energy suppliers to support issue resolution
Partner with internal sales teams to support active accounts and clarify contract details
Support channel partners with client-related requests and post-deal support
Track and document account activity, communications, and issue resolution in internal systems
Troubleshoot enrollment delays, billing discrepancies, and supplier rejections through resolution
Escalate complex, time-sensitive, or high-impact issues while maintaining ownership through resolution
Identify recurring issues, process gaps, and trends; contribute to continuous improvement initiatives
Maintain compliance with internal policies, documentation standards, and industry requirements
Identify and escalate at least 2 process improvements per quarter
Maintain timely and accurate communication with Sales, channel partners, and suppliers

Requirements

What you’ll need

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 preferred
Experience in energy, utilities, or a contract-heavy operational environment preferred
Exposure to finance-adjacent workflows (billing, margin analysis, reporting) preferred
Hybrid work environment with 3 days a week in office
Standard business hours with flexibility as needed for client, supplier, contract-processing, or issue-resolution needs
Prolonged periods of sitting and working at a computer
Frequent use of keyboard, mouse, phone, and standard office equipment
Occasional standing, walking, bending, and lifting of standard office materials up to 25 pounds

Benefits

Comp & perks

Medical
Dental
Vision
FSA
HSA
401k Matching
Paid Vacation
Paid Sick
Paid Holidays
Paid Parental Leave
Paid Short Term & Long Term Disability
Tuition Reimbursement
Flexible hybrid work schedule (for office-based employees)
Professional development opportunities