Information Systems Engineer 2
WEX Open At a glance
Mid-level role at WEX. Remote, United States · full-time · $81,200–$96,900 base.
remoteroles summary, based on the employer's posting.
What you'll do
- Move merchant and POS vendor projects through scoping, lab or beta checks, and release across a 90-to-180-day certification cycle
- Tailor test scripts to each customer's hardware and software, then troubleshoot authorization and execution faults
- Configure regional test setups in eManager Portal and check transaction results with SQL against logs and script workbooks
- Send certification letters and provide operational help during the 30-day period after launch
- Lead technical project sessions and address network, terminal, interface, and transaction-file problems
What you bring
- A bachelor's degree in business, computer science, or a related technical area
- At least three years in payment processing, IT support, network interface testing, or technical quality assurance
- You can interpret interface specifications, use SQL to validate transactions, and build and troubleshoot test scripts
- You have a track record of handling external client and cross-functional relationships
- You can pass a background investigation
Who this fits
This mid-level, full-time remote role suits you if you combine payment testing and data validation with client coordination and technical troubleshooting. It is based remotely in the United States.
From the employer
About the Team/Role
OTR Certification & Technical Testing Lifecycle
Coordinate and guide the 90-to 180-day certification lifecycle for assigned merchant and POS vendor portfolios, guiding stakeholders from Initiation and Scope Discovery through Lab/Beta Testing to final Production Release.
Create, tailor, and maintain technical test scripts weekly based on specific customer hardware and software profiles (Full Certification vs. Regression Testing), actively troubleshooting authorization or script execution errors daily.
Lab Configuration, Connectivity & AI Optimization (Weekly):
Configure test environments daily using the eManager Portal to set up test cards, prompts, and velocity limits for assigned regional accounts.
Collaborate weekly with client engineering teams to establish secure network connectivity (SSL, VPN, Direct Connect) while proactively adopting AI-assisted diagnostic tools and process automation scripts to optimize manual testing workflows.
Data Validation & Quality Assurance (Daily & Project-Based):
Execute intermediate to advanced SQL queries on backend tables daily to audit test results, verify transaction outputs, and ensure data integrity against live system logs and Script Workbooks.
Champion successful launches by issuing formal Certification Letters and providing hands-on operational support during the critical 30-day post-launch stabilization window daily.
Technical Specification Adherence & Operations Support:
Serve as a primary technical resource expert for assigned regions, ensuring strict adherence to technical interface specifications, including ISO 8583 Card Payment Authorization and Proprietary Sales Transaction files.
Resolve production authorization anomalies, POS terminal equipment issues, and transaction data file questions during outage reconciliations weekly.
Proactively identify and embrace opportunities to integrate AI and automation technologies into operational processes. This includes initiatives to drive scale, reduce reliance on manual processes, and mitigate operational risks.
Stakeholder Communication & Project Management:
Lead weekly kickoff meetings, technical alignment sessions, and project updates as the primary technical point of contact with external merchants and internal teams (Merchant Development, NetOps, Product Support).
These statements are intended to describe the general nature and level of work being performed rather than give an exhaustive list of all duties and responsibilities.
Experience you’ll bring
Education: Bachelor’s degree in Business, Computer Science, or a related technical field. Experience: 3+ years of progressive experience in payment processing, IT systems support, network interface testing, or technical QA.
Technical Acumen: Proven ability to understand, interpret, and apply technical interface specifications (API/Network Interface Testing).
Data Proficiency: Demonstrated intermediate to advanced SQL skills to extract data, verify transaction outputs, and analyze system logs. Testing Expertise: Hands-on experience creating, executing, and troubleshooting technical test scripts and validation files.
Communication: Strong track record of managing external client and cross-functional stakeholder relationships.
Background Check: Must successfully pass a background investigation.
Preferred Qualifications
Advanced Education: Specialized certifications in QA, Payment Systems, or Project Management.
Specific Skills: Prior experience navigating WEX, EFS, or OTR proprietary payment network schemes and transaction workflows. Hands-on familiarity with payment test environments, terminal setups, eManager Portal, and EMV/CHIP parameters.
Technical Skills: Experience leveraging process automation tools, scripting languages, or data visualization software (Tableau, Power BI).
Soft Skills: High intellectual curiosity, resilience in troubleshooting complex technical bottlenecks, and exceptional organizational agility.
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