Infrastructure Engineer Expert

Ethos; United States; Remote; USD 91,000 - 129,000; Full time

Job summary

Ethos is seeking an experienced Site Reliability Engineer/Incident Commander for remote, flexible hours. The role emphasizes owning blameless postmortems, root-cause analyses, and producing precise documentation across projects.

You will be matched to infrastructure engagements with a focus on reliability, on-call leadership, and high-level documentation. Remote, with ASAP start and hourly pay.

Qualifications

• 4+ years as a Site Reliability Engineer, Incident Commander, or production/on-call engineering lead.
• Direct ownership of writing or reviewing blameless postmortems and root‑cause analyses.
• Expert-level document, spreadsheet, and slide craftsmanship, with excellent written communication and attention to detail.

Skills

SRE / incident commander

Root-cause analysis ownership

Documentation craftsmanship

Job description

Pay

$80/hr

The rate in the listing.

From the Ethos listing, checked Nov 4.

Listed

Today

How Ethos hiring works

Your application is a 10-minute call.

Ethos's AI interviewer asks about your career, then matches you to projects like Infrastructure Engineer.

• 4+ years as a Site Reliability Engineer, Incident Commander, or production/on-call engineering lead
• 4+ years as a Site Reliability Engineer, Incident Commander, or production/on-call engineering lead
• Direct ownership of writing or reviewing blameless postmortems and root‑cause analyses
• Direct ownership of writing or reviewing blameless postmortems and root‑cause analyses
• Expert-level document, spreadsheet, and slide craftsmanship, with excellent written communication
• Expert-level document, spreadsheet, and slide craftsmanship, with excellent written communication

Compensation

$80/hour

Commitment:

Flexible, 5-20 hours per week (or more if desired)

Location:

Fully remote, work on your own schedule

Start date:

ASAP

Qualifications

• 4+ years as a Site Reliability Engineer, Incident Commander, or production/on-call engineering lead
• Direct ownership of writing or reviewing blameless postmortems and root‑cause analyses
• Expert-level document, spreadsheet, and slide craftsmanship, with excellent written communication and attention to detail

How long hiring takes

Across the platforms we list, people typically hear back about a hire within

About

25 days of applying.

Within 2 weeks ~30%.

Within 6 weeks ~65%.

Within 3 months ~85%.

Common questions

Is Ethos regular AI training work like rating chatbot responses?

No. Ethos is an expert network. AI labs, investment funds and large companies pay for your domain knowledge (deal analysis, clinical reasoning, legal logic, financial modeling) in three formats: multi-week consulting engagements, 30 to 60 minute advisory calls, and research surveys. Listings like this one are the AI‑lab engagements, where you write or review expert material for a model.

Do I need to keep applying for projects on Ethos?

No. When your profile is live, Ethos matches you to new projects from your career history, so companies find you. Each finished project raises your Expert Score, which brings you better‑paid work.

How many hours a week is this Infrastructure Engineer work?

Between 5 and 20 hours a week. At $80/hr that is $400 to $1,600 a week. You set your own hours.

What experience does this Infrastructure Engineer listing ask for?

The listing asks for 4+ years as a Site Reliability Engineer, Incident Commander, or production/on-call engineering lead; direct ownership of writing or reviewing blameless postmortems and root‑cause analyses; and expert‑level document, spreadsheet, and slide craftsmanship, with excellent written communication and attention to detail. Ethos's interviewer builds your profile from your CV, so have the roles that show this ready to talk through.

What specific skills does this listing call for?

Coding is named directly in the listing. If you don't have hands‑on experience with this, expect the screening to test for it.

How much does this specific role pay?

This listing is posted at $80/hr, an hourly rate. Pay can change after we check the listing, so confirm the rate on the platform's application page.

What happens when I click Apply on this listing?

The link opens Ethos's sign‑up. There is no form for this listing: Ethos's AI interviewer asks about your career in a 5 to 15 minute call, builds your profile from it, and then matches you to projects like this one. Keep your CV open and cover the experience the Qualifications above ask for.

Who built Ethos and is it legitimate?

Yes. Ethos was founded in London in 2024 by James Lo (McKinsey, SoftBank Vision Fund) and Daniel Mankowitz (Google DeepMind research scientist and lead author of AlphaDev). It raised a $22.75M Series A led by a16z in May 2026, with General Catalyst and XTX Markets participating, and works with AI labs, private equity firms, hedge funds and consultancies. The link on this page is an affiliate link; it doesn't affect your pay or the projects you're offered.