Senior Engineer, WSO

Antares•New York, NY

8d•Hybrid

About The Position

Antares Capital is seeking a versatile, hands-on Senior Engineer, WSO to serve as the enterprise technical owner of the S&P Wall Street Office (WSO) platform. This role is responsible for ensuring platform stability, scalability, integration architecture, and governance across the firm. This role can be located in New York, Chicago or Atlanta. This individual will play a critical role within Technology, partnering closely with Credit, Operations, Finance, Risk, Treasury, and Compliance to ensure WSO is optimized, properly integrated, and aligned with evolving business needs. The role drives end-to-end ownership of the platform lifecycle, including production support, integration design, release management, and vendor coordination. The individual will oversee platform performance, manage system interdependencies, and ensure effective execution of enhancements and upgrades within a controlled and governed framework. This role offers a unique opportunity to enhance your career and be part of tremendous growth. You'll have the chance to work on critical lending infrastructure, collaborate with cross-functional teams, and shape the future-state architecture of a core enterprise platform. Antares Capital fosters a culture that recognizes and rewards innovation, providing you with the platform to showcase your skills and make a significant impact. Join us in rewriting the playbook and be prepared for a fulfilling journey filled with challenges, growth, and the satisfaction of contributing to transformative initiatives in the financial technology sector.

Requirements

Bachelor’s degree in Computer Science, Information Systems, Finance, or related field.
8–12 years of experience managing enterprise financial systems.
Strong hands-on experience with Wall Street Office (WSO) or comparable loan administration platforms.
Demonstrated experience designing and supporting API and system integrations.
Experience with SQL, relational databases, and data mapping.
Experience managing production environments, releases, and incident response in a regulated financial environment.
Strong understanding of lending/credit workflows and financial systems integration.
Proven ability to translate business requirements into technical solutions and manage cross-functional dependencies.
Strong analytical, problem-solving, and risk management skills.
Excellent communication skills with the ability to engage both technical and business stakeholders.
Must have unrestricted authorization to work in the United States.
Must be willing to comply with pre-employment screening, including but not limited to drug testing, reference verification, and background check.
Must be willing to work from the New York, Chicago or Atlanta office.

Nice To Haves

Experience supporting private credit, leveraged loans, or syndicated lending portfolios.
Familiarity with AWS-hosted environments.
Experience with SSO, identity governance, and access controls.
Exposure to audit frameworks, regulatory expectations, and control testing.
API architecture and RESTful services
SQL and database querying
Data integration and ETL concepts
SFTP and batch job management
System monitoring and troubleshooting
Release and change management processes
Documentation and architecture diagramming
Technical Ownership: Acts as accountable platform owner.
Systems Thinking: Understands downstream impacts across Finance, Risk, and Reporting.
Control Orientation: Designs for stability, auditability, and resilience.
Cross-Functional Collaboration: Works effectively between Technology and Operations.
Execution Discipline: Delivers enhancements in a structured, controlled manner.
Continuous Improvement: Proactively identifies automation and modernization opportunities.

Responsibilities

Platform Ownership & Governance Serve as the technical product owner for WSO across Production, UAT, Development, and Disaster Recovery environments. Establish configuration standards, environment strategy, and change governance. Manage version upgrades, patching cycles, and release coordination. Maintain system documentation, data dictionaries, and architecture diagrams. Oversee user access governance in partnership with Operations and Compliance. Ensure system controls align with audit and regulatory requirements.
Integration & Technology Architecture Design, build, and manage API and file-based integrations between WSO and enterprise systems including: Fund Accounting platforms, data warehouse and reporting systems, risk and treasury systems, third-party loan platforms (e.g., ClearPar, Markit) Develop and maintain inbound/outbound data feeds and SFTP processes. Own data mapping standards, transformation logic, and validation controls. Implement proactive monitoring and alerting for integration failures. Drive automation and modernization initiatives, including API-first architecture adoption.
Production Support & Incident Management Lead technical triage and resolution of WSO production issues. Partner with Operations to determine root cause (configuration, integration, vendor defect, or user error). Manage escalation and coordination with the WSO vendor. Conduct root cause analysis and implement preventative solutions. Monitor system performance, batch processing, and interface health. Track recurring defects and implement structural remediation.
Release & Environment Management Coordinate system upgrades, patches, and enhancement deployments. Oversee system integration testing and support business-led UAT. Ensure controlled promotion of changes across environments. Maintain alignment between Production and Disaster Recovery environments. Partner with Infrastructure teams on performance, monitoring, and capacity planning.
Business & Technology Alignment Partner with stakeholders across Credit, Operations, Finance, Risk, and Treasury to support platform capabilities. Maintain working knowledge of loan lifecycle events, accounting impacts, and portfolio reporting requirements. Translate business requirements into technical specifications and system configurations. Identify opportunities to improve efficiency, reduce manual processes, and enhance data integrity. Support audit inquiries and control validation activities.
Vendor & Risk Management Serve as the primary Technology contact for the WSO vendor. Participate in vendor roadmap discussions and release reviews. Monitor SLA performance and coordinate issue remediation. Support Disaster Recovery testing and Business Continuity planning. Ensure platform risks are identified, tracked, and mitigated appropriately.
Performance Monitoring & Continuous Improvement Define and track KPIs related to system stability, integration performance, incident trends. Drive continuous improvement in platform reliability, automation, and scalability. Enhance governance frameworks, monitoring capabilities, and operational controls. Contribute to broader enterprise architecture and technology standards.