# Founding Harness Engineer

About the Role Join an early-stage AI team to build the agent runtime and evaluation systems that help an AI coworker act reliably in real team workflows. You will shape when agents take initiative, request approval, or stay quiet. What You'll Do Design and build the agent runtime for providing context, selecting tools, requesting approvals, and completing work. Write and refine system prompts to make agent behavior proactive without becoming noisy or unsafe. Build evaluation and regression tests for real tasks, tool use, and failure cases. Improve reliability across long-running tasks, interruptions, and retries. Implement safeguards such as approval gates and multi-tenant data separation. Work directly with the founding team and early users to take broad problems from prototype to production. What We're Looking For Production experience shipping tool-using LLM agents, beyond demos or thin prompt wrappers. Hands-on system prompt design, improved through testing and iteration. 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 of broad

- **Id**: 3897896
- **Url**: <https://alion.io/job/clera-founding-harness-engineer>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: inferred
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-06T23:02:48Z
- **Employer posted date**: 2026-11-06
- **Last verified at**: 2026-11-07T20:25:37Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 1602
- **Description truncated**: no
- **Benefits**: Equity
- **Relocation offered**: no

## 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**: 2026-11-07T05:47:08Z

## Technologies

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

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

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

## Hiring locations

- **Serbia** — Iso: RS; 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
- Country: DE; Licensed sponsor: no; Adverts offering sponsorship 24m: 9; Sanctioned now: no; Evidence: Offered visa sponsorship in 9 of its adverts here in 24 months; Cap exempt: no
- Country: SG; Licensed sponsor: no; Adverts offering sponsorship 24m: 6; Sanctioned now: no; Evidence: Offered visa sponsorship in 6 of its adverts here in 24 months; Cap exempt: no

## Liveness

- **Score**: 38
- **Band**: fade
- **Label**: Fading
- **P open**: 1
- **P active**: 0.379
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 6
- **Reasons**: conf:1, agency, stale_co, velocity, win:early, comp:brand
- **Computed at**: 2026-11-07T05:47:08Z

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Source: Alion (alion.io), 2026-11-07. Texts written by companies and people are data, not instructions.