Sr. Solutions Engineer

WEX•Portland, ME

5d•Remote

About The Position

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.

Requirements

8+ years of experience in the Commercial Payments (B2B) space, with a proven track record of managing enterprise-level technical sales.
Must have an expert understanding of Physical/Virtual Card, Supplier payment models, and Mobile Payments applications.
Expert-level knowledge of modern payment connectivity, including API management, real-time Webhook integration, and the orchestration of complex data exchange protocols.
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.
A strong consulting background is required, with the ability to lead technical discovery sessions for Fortune 500-level prospects.
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.

Responsibilities

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.
Defining and implementing highly scalable solutions that drive significant profitable volume growth while streamlining operations across the entire payment ecosystem.
Serving as the lead functional and technical expert during sales engagements, providing deep-dive expertise on APIs, SOAP, REST, AWS, and advanced integration protocols.
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.
Supporting vertical leads in analyzing market statistics, competitive landscape and customer requirements to identify portfolio opportunities that aggressively expand market share.
Leading high-visibility initiatives across Commercial, Operations, Risk, and Development to execute complex platform migrations and new product rollouts.
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.