Senior L3 Systems Engineer
Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Oct 28, 2026. Iron Mountain scores A on the Alion truth index.
At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.
We provide expert, sustainable solutions in records and information management, digital transformation services, data centers, asset lifecycle management, and fine art storage, handling, and logistics. We proudly partner every day with our 225,000 customers around the world to preserve their invaluable artifacts, extract more from their inventory, and protect their data privacy in innovative and socially responsible ways.
Are you curious about being part of our growth story while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation.
Job Summary
Iron Mountain is seeking a skilled and highly motivated Senior Information Technology Application Support Analyst (Level 3 Support) to join our Global Technical Application Support organization.
In this role, you will be responsible for providing expert-level technical support, troubleshooting, and deep diagnostics for our cutting-edge Digital Solutions applications deployed on cloud services, ensuring maximum stability and performance for our commercial and United States government clients.
You will join a high-performing, collaborative team dedicated to maintaining application excellence, driving continuous improvement, and supporting critical digital transformation initiatives.
What You’ll Do
In this role, you will:
Lead complex technical diagnostics and incident resolution: Take end-to-end ownership of critical application incidents by performing root cause analysis, managing deep diagnostics, and maintaining strong client relationships until full resolution is achieved.
Collaborate cross-functionally to drive platform performance: Work directly with Engineering, Development Operations (DevOps), Product Owners, and Sales teams to troubleshoot issues, enhance platform stability and scalability, and seamlessly onboard new clients onto the digital solutions ecosystem.
Ensure operational compliance and service delivery excellence: Actively monitor system health and manage alert notifications while adhering to Information Technology service delivery standards, policies, and regulations across Incident, Problem, and Change Management frameworks.
What You’ll Bring
The ideal candidate will have:
5+ years of experience in supporting enterprise-level applications, with a strong background operating in an advanced Level 3 (L3) support capacity.
Strong technical knowledge of cloud-based platforms (e.g., Amazon Web Services, Microsoft Azure, or Google Cloud Platform), on-premises multi-tier architectures, Linux operating systems, log analysis tools, and modern observability frameworks such as Datadog or Grafana.
Proven ability in root cause analysis, Information Technology service delivery (Incident, Problem, and Change Management), process automation, Python scripting, and utilizing ticketing tools like ServiceNow or Jira.
Minimum Bachelor’s degree or applicable work experience (BS, MS, or MBA from an accredited/recognized university)