Iron MountainHiring

Sr. IT Application Support Analyst (Level 3 Support)

  • Remote, United States
  • Senior
  • Posted 5 days ago
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In one line

Third-level support role for cloud-hosted digital applications, fully remote in the US, with shift and on-call rotations.

About the role

Owns complex incidents end to end, from deep diagnostics and root cause analysis to keeping the client informed until the fix lands. Works alongside engineering, DevOps, product and sales on stability and new client onboarding.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, United States
Seniority
Senior
Skills
Linux, Log analysis, Monitoring tools, Incident management, Problem management, Change management
Posted
30 Oct 2026
Last checked
2 Nov 2026

What you will do

  • Lead resolution of critical application incidents, run root cause analysis and keep the client relationship through to closure
  • Work with engineering, DevOps, product owners and sales to fix issues, improve platform stability and onboard new clients
  • Monitor systems and alerts, and take part in shift and on-call rotations
  • Push process improvement and automation, applying incident, problem and change management practice

What they look for

  • At least 5 years leading and supporting enterprise applications at L3 level
  • Advanced experience with cloud architecture and platforms, plus on-prem multi-tier systems
  • Hands-on with a major cloud provider, troubleshooting through logs and monitoring tools
  • Solid Linux skills
  • Clear written and spoken communication with external customers
  • Understanding of IT service delivery, including incident, problem and change management

Nice to have

  • Working knowledge of additional support tooling

How Keywordise applies for you

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Claude

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  2. Name it Keywordise and paste the connector URL.
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Connector URL
https://keywordise.com/mcp

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ChatGPT

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Connector URL
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Muse

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Message for Muse
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Muse is available in the US only for now.

Prompt
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Questions about this job

Is this a remote job, and where can I work from?

Yes, it is listed as remote, aimed at candidates in the United States.

What does this job pay?

The posting does not state a salary, so there is no figure to quote.

What experience is needed?

It is a senior role. The posting asks for: at least 5 years leading and supporting enterprise applications at L3 level; advanced experience with cloud architecture and platforms, plus on-prem multi-tier systems; hands-on with a major cloud provider, troubleshooting through logs and monitoring tools. Skills it names include Linux, Log analysis, Monitoring tools, Incident management.

How do I apply with Keywordise AI?

Select Apply with Keywordise AI, sign up and upload your CV. Keywordise writes a CV and a cover letter for this job from your real experience and applies for you. The 7-day free trial needs no card.

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Iron MountainRemote, United States
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