ION Wallstreet Suite (WSS) Subject Matter Expert
Mastech Inc.
Job Description
We are seeking a highly experienced ION Wallstreet Suite (WSS) Subject Matter Expert to lead and support strategic transformation initiatives across FX and Treasury Operations within banking and capital markets environments.
The ideal candidate will possess deep expertise in ION Wallstreet Suite (formerly Wallstreet FX / FXION) and a strong understanding of FX middle and back-office operations. This individual will serve as a trusted advisor and implementation lead, partnering with business, operations, technology, and vendor teams to assess current-state capabilities, define target-state operating models, and deliver end-to-end platform solutions across the FX trade lifecycle.
Responsibilities
- Lead the design, implementation, enhancement, and optimization of ION Wallstreet Suite (WSS) solutions.
- Assess existing FX operational processes and recommend target-state workflows and operating models.
- Drive platform implementation initiatives including requirements gathering, solution design, testing, deployment, and post-production support.
- Partner with Operations, Treasury, Technology, and vendor teams to deliver strategic transformation programs.
- Conduct fit-gap analyses and platform capability assessments.
- Define operational controls and workflow solutions across the FX lifecycle.
- Facilitate stakeholder workshops and develop recommendations for senior leadership.
- Support integration design and implementation across upstream and downstream systems.
- Provide subject matter expertise on FX settlement, confirmations, payments, reconciliations, and exception management processes.
Qualifications
- Minimum of four years of experience with direct hands on experience in implementing and supporting ION Wallstreet Suite (WSS) / Wallstreet FX / FXION; experience in working across multiple releases, upgrades and migration projects
- Bachelor’s degree in finance, Technology, Computer Science, Engineering, or a related discipline preferred
- Strong configuration and functional expertise in Trade Capture & Lifecycle Management, Settlement Processing, Cash and Payment Management, SSI Management, Exception Handling, Reconciliation, Reporting and Operational Dashboards
- Exceptional knowledge in WallStreet FX workflows, data models and operational controls and integration experience in SWIFT, CLS, Calypso, Murex, Treasury Platforms, Market Data Providers, Payment Hubs
- Deep understanding of Spot FX, Forward FX, FX Swaps, Non-deliverable Forwards (NDFs), Money Market Products, CLS Settlement, SWIFT Messaging, Settlement Instructions (SSI), Trade Confirmations, Payment Investigations, Nostro Reconciliation, Exception Management, Operational Risk Control
- Experience in performing requirement gathering, capability assessment, fit-gap analysis, solution design, test strategy and execution
- Strong blend of operational, functional, and technical expertise
- Ability to travel as needed
Level:
- L3 (5-10 years experience)
- ...for you. Send us your CV to receive a personalized offer.Find me a jobThe Smart Home Analytics (SHA) team is seeking a WiFi Subject Matter Expert to bridge the knowledge gap between advanced wireless technologies and our data-focused team members. In this critical role,...SuggestedLocal area
$150k - $170k
...Hiring Partner | Driving Talent Strategies to Build High-Performing Teams About the Company Serve as an NG911 ESInet Subject Matter Expert. Support Next Generation 9-1-1 (NG911) network infrastructure, call-handling systems, and mission-critical communications....SuggestedContract work$150k - $250k
...America’, Luminance is disrupting the legal profession around the globe. World-leading AI company, Luminance, is looking for Subject Matter Experts in its New York office. Off the back of a $75 million Series C funding round and 6x ARR growth in the last two years, this...SuggestedWork at officeShift work- ...Job Description Job Description Naval Subject Matter Expert (Cleared) Role Type: Contractor Location: Remote About the Role We are looking for experienced naval and maritime professionals to support high-impact AI training and evaluation projects. You'll...SuggestedFor contractorsRemote work
- Luminance, a leader in Legal-Grade AI, seeks a Subject Matter Expert in its New York office. You will leverage your legal background to drive product adoption, influence customers, and partner with leadership on strategic initiatives. The role sits at the intersection of...SuggestedWork at office
- About the role Pathology AI Subject-Matter Expert is a remote clinical-review track for evaluating AI outputs that touch pathology. Reviewers grade differential reasoning, dosing logic, and guideline adherence; flag patient-safety issues; and document the corrected clinical...Hourly payFor contractorsRemote work10 hours per week
$25 - $30 per hour
Bioethics - Subject Matter Expert - Remote Worldwide Join to apply for the Bioethics - Subject Matter Expert - Remote Worldwide role at VetJobs Bioethics - Subject Matter Expert - Remote Worldwide Join to apply for the Bioethics - Subject Matter Expert - Remote Worldwide...Remote jobFull timeWork from homeWorldwide$80k
Counseling - Subject Matter Expert - Remote Worldwide Join to apply for the Counseling - Subject Matter Expert - Remote Worldwide role at VetJobs Counseling - Subject Matter Expert - Remote Worldwide Join to apply for the Counseling - Subject Matter Expert - Remote Worldwide...Remote jobFull timeWork from homeWorldwide- Labor & Human Relations - Subject Matter Expert - Remote Worldwide Join to apply for the Labor & Human Relations - Subject Matter Expert - Remote Worldwide role at VetJobs . This position is part of ongoing projects across various disciplines. We are seeking qualified Subject...Remote jobFull timeContract workWork from homeWorldwideFlexible hours
$170 per hour
Subject Matter Expert: Legal & Regulatory Research (Remote Advisory) About Prolific Prolific is not just another player in the AI space - we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific...Remote jobHourly paySelf employmentWork from homeFlexible hours$106k - $124k
...talented and professional Architectural Sustainability Lead and Subject Matter Expert with 5-10 years of experience. Based in the LA, DC, or NY... ...~ Proficient in Revit, Rhino, Grasshopper for Rhino, Adobe Suite, and MS Office Suite. ~ Experience working with Tally,...Work experience placementImmediate start- Biology Subject Matter Expert (AI Training) We're looking for biology experts to help evaluate and improve AI systems trained on advanced scientific content. Your knowledge will directly shape how AI understands, reasons through, and communicates complex biology — making...Hourly payOngoing contractContract workFreelanceRemote workFlexible hours
- Biology Subject Matter Expert (AI Training) We're looking for biology experts to help train and improve the next generation of AI models. Your scientific knowledge will directly shape how AI understands and reasons through complex biology — from cellular mechanisms to advanced...Hourly payOngoing contractContract workFreelanceRemote workWorldwideFlexible hours
$15 - $30 per hour
VFX/CGI - Fully Remote Subject Matter Expert We are inviting 3D Artists and VFX experts with experience creating computer generated scenes and assets to join our global network for a high level gaming project. This is an exciting opportunity to contribute to improving AI...Remote jobHourly pay- Job Posting Title: Testing SME Consultant Description: This position is 100% Remote for major University in NYC, but you can work anywhere in USA. This is a fixed-term 6-month opportunity. We are looking for an experienced Testing Consultant to conduct a comprehensive...Fixed term contractRemote work
$107.5k - $179.1k
...new initiatives within the division/enterprise. May serve as subject matter expert to drive requirements, development, and production of... ...in a fast paced environmentExperience with Microsoft Office suite of products including Word, Excel, PowerPoint, Project, Visio...Full timeTemporary workWork experience placementWork at office- ...Buxton Helmsley is selectively expanding its Expert Advisory Board—a network of senior... ...Advise on active campaigns. Serve as a subject‑matter expert during live engagements, providing... ...your area of expertise. You have held C‑suite, senior executive, or equivalent...Local areaRemote workRelocationFlexible hours
$80 - $160 per hour
...Physics Expert (High Energy / Mathematical Physics) Pay: $80–$160/hr Role Title: Physics Expert (High Energy / Mathematical... ...High Energy / Mathematical Physics) to contribute their advanced subject‑matter knowledge to a frontier customer project in theoretical...For contractorsRemote work$59k - $72k
...is at the core of what we do. The right mattress matters, and so does the right career. Our Sleep Experts® are at the heart of what we do: helping customers... ...product knowledge information to customers and serve as subject matter expert. ~ Drive individual sales...$50 per hour
...Norwegian Language Expert is a remote evaluation track for reviewing norwegian language evaluation prompts and responses against AuraOne... ...calibration cycles. Domain expertise that lets you spot subject-matter errors automated checks miss. Compensation and schedule $...For contractorsRemote work10 hours per week$70 - $105 per hour
...what they claim to, whether the statistics suit the design, whether the conclusion... ...unclear instructions Where you trained matters less than whether you designed and ran the... ...several months. Finishing the domain expert interview and joining every network you qualify...Odd job- ...organizationsobtain, understand, and effectively utilize evidence in legal matters. Ourtrusted experts specialize in Digital Forensics, Commercial Trucking,... ...that affect real-world incidents. This role is well-suited to a human factors professional who is passionate about...Remote work
$60 - $75 per hour
...We are looking to expand our team of expert consultants with 10 experts in Sports Science for part-time, fully-remote work supporting... ..., finance, and the social sciences. Our platform matches subject‑matter experts (like you) with paid consulting work on frontier projects...Hourly payPart timeRemote work$75 - $100 per hour
...Join to apply for the Physics PhD - Expert Trainer role at Handshake 2 weeks ago Be among the first 25 applicants Join to apply... ...to join our AI research community. This program brings subject-matter experts together to enhance the capabilities of Large Language...Contract workFreelanceH1bRemote workVisa sponsorship10 hours per weekFlexible hours- ...About the role We are hiring expert Evaluators in Clinical / biomedical / pharma to review and assess AI-generated work products... ...for accuracy, rigor, and domain quality. You will apply deep subject-matter expertise to grade outputs. This is a remote, hourly...Hourly payWork at officeRemote work
$137.5k - $186k
...The Expert Network is one of Intuit's largest people organizations, sitting within Expert... ...we serve customers. This role is well suited for someone who thrives on building the systems... ...up for customers at the moments that matter most. Responsibilities Service...Seasonal workWork at office- ...Reference26-05730Provide a short description of the Position: Act as Expert Database Architect and L2 Technical Operational Support... ...performed by the Selected Candidate:Interact with Agency/business subject matter experts to understand business needs/requirements, Vendors of...
$170 per hour
...and asynchronously to meet deadlines. Improve AI model performance through rigorous data analysis. Collaborate with subject matter experts to ensure consistency, relevance, and coverage across datasets. Qualifications Must-Have ~5+ years of experience...Hourly payContract workFor contractorsSummer workRemote work$60 - $80 per hour
...quality. Develop and refine evaluation guidelines and scoring rubrics specific to retail tasks. Collaborate with other subject matter experts to ensure consistency and accuracy in training data . Qualifications Must-Have ~8+ years of dedicated...Contract workSummer workRemote workWeekday work- ...required — your domain knowledge and professional expertise are what matter. Scope of Work # Review business slides focused on... ...content editing, and visual storytelling related to operational subject matter. # Excellent written communication skills with the ability...For contractorsRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to ION Wallstreet Suite (WSS) Subject Matter Expert. Be the first to apply!




