Senior Application Support Analyst

Overview

We are seeking an Application Support Specialist to support critical enterprise applications across Development, QA, and Production environments. This role works closely with Development, Data, QA, Dev Ops, and Help Desk teams to ensure reliable releases, stable systems, and fast issue resolution—especially during time-sensitive user submissions.

This is a hands-on operational role ideal for candidates who enjoy troubleshooting, release coordination, and owning production stability in a fast‑paced environment.

• Manage and support Development, QA, and Production environments across Windows and UNIX/Linux servers.
• Execute application deployments, migrations, and environment promotions following change management standards.
• Review release notes, validate system versions, and perform post‑deployment testing.
• Monitor system availability and performance; identify and resolve issues within SLA expectations.
• Partner with Development, QA, Infrastructure, and Help Desk teams to resolve incidents in real time.
• Support scheduled releases, data refreshes, and emergency fixes, including after‑hours work.
• Participate in an on‑call rotation (approximately one week every four weeks).
• Maintain accurate documentation for environments, configurations, and operational procedures.
• Contribute to continuous improvement of deployment, monitoring, and support processes.

• Support weekly data builds, model builds, and production data refreshes.
• Assist with sprint validations, stress testing, and environment resets.
• Validate data and application integrity following deployments and refreshes.

• Experience supporting enterprise applications in production environments.
• Strong background with Windows and UNIX/Linux server administration.
• Proficiency with UNIX command‑line tools and troubleshooting.
• Experience with application deployments, migrations, or environment promotions.
• Familiarity with Control‑M or similar job scheduling tools.
• Working knowledge of AWS environments.
• Strong attention to detail and adherence to change management practices.

• Scripting experience (Shell, Power Shell, or similar).
• Exposure to ITIL or formal change management frameworks.
• Experience with enterprise monitoring and alerting tools.

• Comfort with after‑hours releases, weekend work, and on‑call support.
• Ability to work independently while collaborating across multiple technical teams.
• Strong communication skills and a calm, methodical approach to issue resolution.

• High‑visibility role supporting mission‑critical systems.
• Collaborative environment with strong cross‑functional exposure.
• Clear training and transition plan with hands‑on mentorship.
• Opportunity to deepen expertise in deployments, production support, and cloud environments.

• Time to Recharge:
  Flexible time off (FTO), 15 paid holidays.
• Time to Recover:
  Paid sick time.
• Family Well‑Being:
  Parental/new child leave, childcare & elder care assistance, adoption assistance.
• Extra Perks:
  Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling.

Base Salary: $76,400 - $141,800

Final date to receive applications: 05/13/2026.

Epsilon is an Equal Opportunity Employer. Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law.

Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants needing accommodations to complete the application process. Please reach out to  to request an accommodation. For San Francisco Bay and Los Angeles Areas:
Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections , commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.