Sr. Solutions Engineer

Sr. Solutions Engineer WEX, Inc. life insurance, paid time off, tuition reimbursement United States, Maine, Portland 1 Hancock Street (Show on map) Apr 29, 2026 About the Team / Role At WEX, we see the world of corporate payments differently. We are a leading global payments processing provider passionate about providing solutions with exceptional security and controls for any client or partner's transaction management needs. WEX Corporate Payments is a highly innovative and fast-paced division, and this role focuses on delivering commercial payment solutions at immense scale and value. As a Level 4 Solutions Engineer, you are a tenured payments expert and a recognized thought leader within the organization. You occupy an advanced professional role at the heart of WEX's success, responsible for the most complex, high-stakes business opportunities. You serve as the "Technical Diplomat" bridging the gap between C-suite commercial strategy and deep-tier technical architecture. You are expected to navigate the organization proactively to design tailored, future-proof solutions for our most strategic partners while acting as a force multiplier for the broader Solutions team. The Solutions Engineer is primarily responsible for:

Strategic Solution Governance:

Defining the overarching strategic, operational, and technical blueprints for strategic opportunities; serving as the primary technical lead and custodian of end-to-end solution design.

Solution Architecture:

Defining and implementing highly scalable solutions that drive significant profitable volume growth while streamlining operations across the entire payment ecosystem.

Strategic Technical Advisor:

Serving as the lead functional and technical expert during sales engagements, providing deep-dive expertise on APIs, SOAP, REST, AWS, and advanced integration protocols.

Product Ecosystem Influence:

Driving the product roadmap from design to GA launch; identifying critical market gaps and influencing go-to-market strategies based on deep competitive analysis of the B2B landscape.

Revenue & Portfolio Optimization:

Supporting vertical leads in analyzing market statistics, competitive landscape and customer requirements to identify portfolio opportunities that aggressively expand market share.

Cross-Functional Orchestration:

Leading high-visibility initiatives across Commercial, Operations, Risk, and Development to execute complex platform migrations and new product rollouts.

Mentorship & Thought Leadership:

Acting as an extension of the Solutions team leadership, making critical decisions in their absence and mentoring Level 1-3 engineers on advanced technical integrations.

Personal Attributes:

Energized & Driven:

This role is at the heart of WEX's success; the candidate needs to be energized, positive, and have a strong drive for success.

Commercially Minded:

A high degree of commercial acumen is essential. Capable of balancing technical complexity with financial viability.

Results-Driven:

Focused on delivering measurable outcomes in line with financial and operational goals. Comfortable owning tasks from inception to completion and managing projects, tasks, and people to achieve outcomes.

Proactive & Strategic:

Anticipates challenges, identifies opportunities, and develops forward-looking solutions. You don't just react to requirements; you define the future state.

Resilient & Adaptable:

Comfortable operating in a fast-changing payments landscape and handling complex and ambiguous situations with a methodical approach.

Influential Communicator:

Capable of engaging and persuading both internal and external partners. An expert at articulating complex strategies to C-suite stakeholders.

Collaborative:

Works effectively across functions, fostering strong partnerships with internal teams and external stakeholders to drive collective success.

Requirements:

8+ years of experience in the Commercial Payments (B2B) space, with a proven track record of managing enterprise-level technical sales.

Subject Matter Expertise:

Must have an expert understanding of Physical/Virtual Card, Supplier payment models, and Mobile Payments applications.

Advanced Technical Foundation:

Expert-level knowledge of modern payment connectivity, including API management, real-time Webhook integration, and the orchestration of complex data exchange protocols.

Financial Technology Specialization:

Proven track record of bridging the gap between legacy core banking systems and modern payment rails. Expertise in digitizing complex B2B payment workflows and a deep understanding of the global clearing and settlement infrastructure used by leading Fintechs..

Consulting Excellence:

A strong consulting background is required, with the ability to lead technical discovery sessions for Fortune 500-level prospects.

Full Lifecycle Mastery:

Expert knowledge of the card transaction life cycle, including clearing, settlement, and interchange mechanics. Proficiency with personal and project productivity tools, including Google Suite, Salesforce, and modern architectural diagramming tools. The base pay range represents the anticipated low and high end of the pay range for this position. Actual pay rates will vary and will be based on various factors, such as your qualifications, skills, competencies, and proficiency for the role. Base pay is one component of WEX's total compensation package. Most sales positions are eligible for commission under the terms of an applicable plan. Non-sales roles are typically eligible for a quarterly or annual bonus based on their role and applicable plan. WEX's comprehensive and market competitive benefits are designed to support your personal and professional well-being. Benefits include health, dental and vision insurances, retirement savings plan, paid time off, health savings account, flexible spending accounts, life insurance, disability insurance, tuition reimbursement, and more. For more information, check out the "About Us" section.

Pay Range:

$132,700.00 - $169,800.00