# Founding Harness Engineer

About the Role Join an early-stage AI company building an AI coworker for teams. You will develop the runtime and safeguards that help AI agents take useful initiative, work reliably, and handle real tasks safely. What You'll Do Design and build the agent runtime for context gathering, deciding when to act, tool selection, approval, and task completion. Write and refine system prompts to encourage useful initiative without noisy or risky behavior. Build evaluation and regression tests for real tasks, tool use, and failure cases, and catch regressions as prompts change. Improve reliability across long-running work, interruptions, and retries. Implement safety boundaries, including approval gates and multi-tenant data separation. Work directly with the founding team and early users to shape the product. What We're Looking For Production experience shipping tool-using LLM agents, beyond demos or thin prompt wrappers. Hands-on system prompt design, with iterative testing and improvement. Experience building evaluation and regression test harnesses for LLM or agent behavior. Understanding of safe tool execution, approval workflows, and multi-user data risks. Strong ownership a

- **Id**: 3897897
- **Url**: <https://alion.io/job/clera-founding-harness-engineer-2>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: San Francisco, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-06T23:02:07Z
- **Employer posted date**: 2026-11-06
- **Last verified at**: 2026-11-08T08:26:38Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 1625
- **Description truncated**: no
- **Benefits**: Equity
- **Relocation offered**: yes

## Company

- **Id**: 2706
- **Name**: Clera
- **Domain**: getclera.com
- **Url**: <https://alion.io/company/clera>
- **Size band**: 11-50
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: Ashby

### Truth index

- **Grade**: B
- **Score**: 80
- **Open postings**: 39
- **Ghost share**: 0
- **Stale share**: 1
- **Repost share**: 0
- **Time to fill p50 days**: 6
- **Computed at**: 2026-11-08T05:47:12Z

## Technologies

- **AI Agents** — Optional: no
- **Function Calling** — Optional: no
- **LLM** — Optional: no
- **Prompt Engineering** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-06T23:39:40Z

## Visa

- Country: US; Licensed sponsor: no; Adverts offering sponsorship 24m: 47; Sanctioned now: no; Evidence: Offered visa sponsorship in 47 of its adverts here in 24 months; Filings 12m: 0

## Liveness

- **Score**: 37
- **Band**: fade
- **Label**: Fading
- **P open**: 1
- **P active**: 0.368
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 6
- **Reasons**: conf:1, agency, stale_co, velocity, win:early, comp:brand
- **Computed at**: 2026-11-08T05:47:12Z

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Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.