Interview kit: Application Support Engineer at Cresta

How to use this kit

Ground every answer in facts on this page and the original listing. We never invent Glassdoor-style reviews or salaries that are not in our data.

Interview prep

Walk through diagnosing a production issue from ticket to root cause.
Explain how you triage severity and communicate status to users.
Describe reading logs/docs and when you escalate to engineering.

Fit summary

Strong fit if you enjoy remote support work: clear troubleshooting, patient user help, and steady ownership of application reliability at an AI product company.

Day in the role

As an Application Support Engineer at Cresta, you would keep systems healthy, diagnose user and product issues, and guide internal or customer users through software problems. Typical work matches O*NET computer-user-support tasks: monitor daily system performance, read manuals and run diagnostics, answer software questions, and coordinate with staff on fixes or small changes (O*NET 15-1232.00).

FAQ from this listing

Is this role remote?

Yes — the listing is United States (Remote).

What does Cresta work on?

Public materials in the data point to AI agent training tools for human contact-center agents (cresta.com; PR Newswire launch coverage).

Where do support-engineer tasks come from?

Day-to-day expectations are grounded in O*NET summary 15-1232.00 for computer user support work.

Occupation tasks (O*NET)

Public-domain labor data — prepare examples for 2–3 of these.

Oversee the daily performance of computer systems.
Set up equipment for employee use, performing or ensuring proper installation of cables, operating systems, or appropriate software.
Read technical manuals, confer with users, or conduct computer diagnostics to investigate and resolve problems or to provide technical assistance and support.
Answer user inquiries regarding computer software or hardware operation to resolve problems.
Install and perform minor repairs to hardware, software, or peripheral equipment, following design or installation specifications.
Confer with staff, users, and management to establish requirements for new systems or modifications.
Enter commands and observe system functioning to verify correct operations and detect errors.
Maintain records of daily data communication transactions, problems and remedial actions taken, or installation activities.

O*NET source

Company facts (cached)

Website: cresta.com

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Public cache only — not an employee review.

Role overview (listing rewrite)

Cresta is hiring a fully remote Application Support Engineer to join our Customer Success organization and help leading brands turn every customer conversation into a measurable advantage. If you thrive on untangling tricky technical problems and championing the customer, this remote role across the United States is built for you. About the Role As an Application Support Engineer at Cresta, you'll be the technical bridge between our customers and our product teams, translating complicated issues into clear, dependable resolutions. The position follows a Monday–Friday 4:00 PM–12:00 AM schedule with required full coverage on alternating weekends, plus participation in a rotating on-call rotation for time-sensitive matters. Key Responsibilities Diagnose and resolve complex issues spanning API integrations, databases, servers, microservice performance, web hosting, telephony, networking, and containerized workloads. Act as the first technical point of contact, responding to customers over email and the support portal with clear, empathetic communication. Coordinate with Engineering, Product, and Sales to escalate defects, feature requests, and critical incidents through to resolution. Author and maintain knowledge base articles, FAQs, and documentation for customers and internal teams. Recreate customer environments to pinpoint root causes and confirm fixes, while deepening your understanding of our product's architecture and use cases. Surface recurring problems and champion process improvements that strengthen support quality. Qualifications 2–4 years in technical support, helpdesk, or a customer-facing engineering role. Sharp analytical and problem-solving skills, with a knack for breaking down complicated issues. Strong written and verbal communication that resonates with technical and non-technical audiences. Hands-on experience with web hosting, HTTP-based APIs, application log analysis, and ticketing tools such as Zendesk, Linear, or JIRA. A customer-first mindset and comfort working both independently and collaboratively at pace. Bonus points for SaaS or CCaaS platforms (Avaya, Five9, Genesys), cloud hyperscalers (AWS S3/RDS/EKS), Kubernetes, scripting (Python, PowerShell, Bash), observability tools (Datadog, Grafana, Groundcover), VOIP signaling (SIP/SIPrec, H.323, RTP), networking, server troubleshooting, additional languages, or a technical degree. About Cresta Born out of the Stanford AI Lab and backed by over $270 million from a16z, Greylock, and Sequoia, Cresta unites conversational AI agents, real-time agent assistance, and conversation intelligence. Companies like United…

Full job on Get A Job.AI

Questions to ask them

What does success look like in the first 90 days for this role?
How is the team structured, and who would I work with most?
What tools and systems does this role use daily?
Is the work primarily based in United States (Remote), hybrid, or fully remote?

Application Support Engineer