Sr Applications Engineer

Strong benefits package including medical, health, dental, vision, 401(k), PTO, and additional perksWe are seeking an experienced Senior Application Engineer – Banking Systems to lead the stability, maintenance, and performance of our critical banking platforms, including FIS core banking, Q2 digital banking, and MANTL account origination systems.This senior-level role is responsible for ensuring high availability of customer-facing online and mobile banking services through proactive monitoring, system optimization, vendor coordination, and incident resolution. You will collaborate closely with internal IT teams, business stakeholders, and external vendors to support system upgrades, integrations, security, and performance tuning while maintaining strict compliance with banking regulations and IT governance standards.Key ResponsibilitiesSystem Maintenance & UpgradesPlan and execute vendor patches and software upgrades for core and digital banking platforms.Coordinate testing, rollout, and change management activities to minimize service disruptions.Maintain secure, current, and optimized application environments.User Access & Security AdministrationManage user accounts, roles, and permissions across core and digital banking systems.Conduct periodic access reviews and enforce role-based access controls.Ensure compliance with regulatory and internal IT security standards.Integration & Platform ManagementOversee integrations between core banking, digital banking, and account origination platforms.Support APIs, file transfers, and data mappings to ensure seamless customer onboarding and transaction processing.Validate new features and third-party integrations to avoid service disruptions.Performance Monitoring & OptimizationMonitor application health, logs, and system interfaces.Identify and resolve performance bottlenecks in collaboration with infrastructure teams.Maintain high availability across core processing, online banking, and mobile banking environments.Technical Support & Incident ResolutionServe as Tier 2/3 escalation point for complex application issues.Perform root cause analysis and implement permanent corrective solutions.Coordinate directly with vendors to resolve high-impact incidents.Vendor & Release ManagementAct as primary liaison with FIS, Q2, and MANTL support teams.Lead upgrade planning, early-adopter testing, and deployment validation.Track product roadmaps and prepare the organization for new releases.Documentation & ComplianceMaintain system documentation, configurations, integration workflows, and SOPs.Ensure adherence to IT governance, audit requirements, and regulatory standards.Support internal and external audits with required reporting.Identify opportunities to enhance system performance and automation.Support new feature implementations and system enhancements.Collaborate with business users to improve digital banking workflows.QualificationsEducationBachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience).Experience7+years in IT, with 4+ years supporting enterprise applications.Experience supporting core banking or digital banking systems in a financial institution preferred.Technical SkillsStrong Windows Server administration experience (Active Directory, DNS, IIS).Understanding of three-tier application architectures and network fundamentals.Database knowledge (SQL Server or Oracle) with ability to execute SQL queries.Basic scripting (PowerShell, Bash) for automation and troubleshooting.Experience with banking systems such as FIS core, Q2 digital banking, MANTL (or similar platforms).Core CompetenciesAdvanced troubleshooting and root cause analysis skills.Experience providing Tier 2/3 support in high-availability environments.Strong vendor management and cross-functional collaboration abilities.Excellent documentation and communication skills.Ability to manage multiple projects while maintaining operational stability.J-18808-Ljbffr