Senior Applications Support Specialist

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This posting is specifically for applicants coming to Ensono from current clients to continue their support. If this is you, read on. If not, please check our job board for another role that might be a better fit! At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things ! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation. We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose: Honesty, Reliability, Curiosity, Collaboration, and Passion. About the role and what you'll be doing: The L3 ARO Engineer ensures end‑to‑end reliability, resilience, and performance of critical applications. This role acts as the final technical escalation point , leads major incidents, performs deep diagnostics (especially for Java-based systems ), drives permanent fixes, and influences architecture, automation, and operational standards. The engineer mentors L1/L2 teams and partners closely with Development, Architecture, Platform, and Security. Incident & Problem Management Lead major incident (MI) bridges and restore service with minimum business impact. Handle all L3 escalations , perform deep diagnostics across Java, JVM, middleware, OS, and infra. Own technical RCAs , drive long‑term and systemic remediation. Identify recurring failure patterns and risks. Reliability Engineering Apply SRE principles : SLIs/SLOs, error budgets, resilience patterns. Tune JVM parameters , analyze thread/heap dumps, and improve performance. Influence application architecture for fault tolerance, scalability, and recoverability . Validate DR readiness , failover behavior, and resilience testing outcomes. Change, Release & Risk Provide technical approval and risk assessment for high-risk changes. Enforce operational readiness for new apps and major releases. Ensure changes meet audit, compliance, and regulatory expectations . Automation, Monitoring & Observability Build advanced automation using Shell/Python/PowerShell . Develop frameworks for health validation , automated recovery, and compliance checks. Define observability standards; optimize alerts and improve MTTR . Leadership & Mentorship Mentor L1/L2 teams; review and approve runbooks, SOPs, and KB articles. Act as a trusted technical advisor to stakeholders and leadership. We want all new Associates to succeed in their roles at Ensono. That's why we've outlined the job requirements below. To be considered for this role, it's important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply. Technical (Mandatory) Strong knowledge of application architecture, distributed systems, and middleware . Java expertise : JVM internals, GC, memory management, thread/heap dump analysis, performance tuning. Strong Unix/Linux , networking basics, and advanced scripting ( Shell/Python/PowerShell/VBS ). Advanced SQL and understanding of databases; Autosys (or equivalent scheduler). Hands‑on with observability tools : Splunk, AppDynamics/Dynatrace, ELK, Grafana, Prometheus. Reliability & Operations Major incident leadership, deep RCA, change/release readiness, DR & resilience engineering. Experience in regulated production environments . Soft Skills Strong technical leadership and decision‑making. Clear communication during high‑pressure incidents. Ownership mindset and business awareness. Experience & Education 7-12+ years in Application Reliability, Production Support, SRE, or platform operations. Bachelor's degree in computer science/engineering or equivalent. ITIL, cloud, or industry certifications (preferred). Banking/financial domain experience (preferred). Working Conditions On‑call and after‑hours support as required. Fast‑paced environment with multiple priorities. Hybrid working model Why Ensono? Ensono is a place to make better happen - for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it. We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices. Some of our benefits include: Unlimited Paid Days Off Three health plan options 401k with company match Eligibility for dental, vision, short and long-term disability, life and AD&D

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