S

Sandbar

Wearable AI ring for private dictation

Operations Program Manager - Hardware

Full-TimeUpdated on 10/23/2026
$150k - $170k/yr+ Early-stage equity
Senior, Expert
New York, NY, USA
In Person
Operations & LogisticsProduction Planning & Scheduling

About the job

Requirements
  • At least 7 years of experience in Operations Program Management, Manufacturing Program Management, or similar roles in hardware products.
  • Direct experience supporting transitions from EVT through DVT and PVT to MP.
  • Strong understanding of manufacturing, supply chain, logistics, and quality workflows.
  • Proven ability to manage external partners and contract manufacturers.
  • Excellent written and verbal communication, and ability to drive clarity in ambiguous, fast-moving environments.
  • Comfort operating in startup or early-scale environments.
Responsibilities
  • Own operations execution plans aligned to the TPM-led master schedule.
  • Translate engineering milestones into concrete manufacturing, supply chain, logistics, and quality deliverables.
  • Drive closure of operational dependencies required to support PVT, MP ramp, and sustaining builds.
  • Manage operational impacts of engineering changes in partnership with TPM.
  • Lead factory readiness activities, including line setup, capacity planning, pilot builds, and ramp execution.
  • Ensure readiness of BOMs, tooling, test flows, packaging, OQC plans, and work instructions.
  • Partner with Quality and CM teams to track yield and defect trends through ramp.
  • Support daily and weekly factory execution reviews as needed.
  • Coordinate with the Supply Chain Lead on material readiness, long-lead item tracking, risk buys, and supplier issue resolution.
  • Work with the Logistics PM to align inbound materials, outbound shipments, regional allocations, and delivery commitments to production plans.
  • Ensure operational plans are executable against real-world supply and logistics constraints.
  • Own field quality execution, including tracking and triage of customer-reported issues, RMAs, and early failure trends.
  • Drive EFFA and Pareto analysis across factory defects, OQC failures, and field returns to focus teams on the highest-impact issues.
  • Coordinate containment, root cause analysis, and corrective actions (8D / CAPA) for systemic issues.
  • Establish feedback loops between Customer Support, CM, Quality, and Supply Chain so field learnings are reflected in production.
  • Own sustaining readiness, including ECO rollouts, rework planning, inventory disposition, and yield stability post-ramp.
  • Own operational dashboards (yield, defect, OQC, and field-quality Pareto) and the Operations RAID log; ensure data accuracy with CM, OQC, and Quality partners.
  • Proactively surface execution gaps with clear options and tradeoffs.
  • Run core Ops execution meetings and provide concise, decision-oriented updates to leadership.
  • Act as the single point of accountability for day-to-day operational execution health.

About the company

Sandbar makes Stream, a finger ring that acts as a private voice interface for taking notes, chatting with an AI, and dictating text. To use it, you press the ring’s glass touchpad and speak; the built-in microphone listens only while pressed, with gestures to control notes, reminders, music, and more, and it can work with or without earbuds. It emphasizes privacy by avoiding wake words or always-on mics, uses a private mic and haptic feedback, and sells hardware direct to consumers rather than relying on personal data. Its goal is to be a private, hands-free extension of the mind that helps capture thoughts, memory, and ideas across iOS and Mac.

Company Size

51-200

Company Stage

Series A

Total Funding

$36M

Headquarters

New York City, New York

Founded

2023

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Simplify's Take

What believers are saying

  • Sandbar raised $23 million on March 10, 2026, bringing total funding to $36 million.
  • September 2026 preorder updates added MCP support, web search, reminders, and dictation.
  • Preorders remain open at $249-$299, with Batch 3 shipping September 2026 and Batch 4 later.

What critics are saying

  • Batch 1 and Batch 2 sold out, but shipping slipped from summer to fall 2026.
  • Plaud, Omi, and transcribing earbuds already crowd Sandbar's note-capture niche.
  • If Stream misses mainstream adoption, Sandbar becomes a capital-intensive gadget company with no platform lock-in.

What makes Sandbar unique

  • Stream uses push-to-talk hardware, not always-on microphones, reducing privacy friction.
  • Mina Fahmi and Kirak Hong bring Meta CTRL-Labs human-interface experience.
  • Sandbar ships a custom ring with haptics, touch gestures, and iOS dictation.

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Benefits

  • Health Insurance
  • Vision Insurance
  • Dental Insurance
  • Unlimited Paid Time Off
  • Company Equity

Growth & Insights and Company News

6 month growth

6%

1 year growth

10%

2 year growth

39%
TechCrunch
Aug 12th, 2026
Why Stream ring-maker Sandbar says the future of AI wearables is voice | TechCrunch

Watch as Sandbar CEO Mina Fahmi joins Equity to discuss the future of AI wearables and what other AI hardware companies got wrong.

Upstarts Media
Mar 10th, 2026
AI ring startup Sandbar raises $23M to launch Stream note-taking device

Sandbar, an AI hardware startup, has raised $23 million in a Series A round co-led by Adjacent and Kindred Ventures to launch Stream, an AI note-taking ring. The company previously raised $13 million from True Ventures, Upfront and Betaworks. Founded in 2023 by Mina Fahmi and Kirak Hong, who previously worked on Meta's neural wristband project, Sandbar's Stream ring allows users to capture notes and ideas through voice commands with a simple hand-to-mouth gesture. The device, priced between $249 and $299, combines hardware including a haptic motor with customised AI models to process audio inputs and resurface relevant past notes. The startup's 15-person team plans to release Stream this summer, initially focusing on note-taking and brainstorming capabilities. Sandbar envisions the ring serving as an interface for apps like Notion and potentially managing autonomous AI agents.

Tech Funding News
Nov 7th, 2025
Sandbar raises $13M for Stream ring

Sandbar, founded by former Meta engineers, has raised $13M to launch Stream, a voice-controlled smart ring. Stream, described as "a mouse for voice," is worn on the index finger and features built-in microphones and a touchpad. It allows users to capture notes, interact with assistants, and control media through gestures. The ring activates only when pressed, ensuring privacy, and transcribes even whispers into its companion iOS app with high accuracy.

True Ventures
Nov 5th, 2025
Celebrating Sandbar’s Stream Launch

Some physical products can feel like they become part of us, like a watch that you wear every day or a favorite pair of earrings. I believe that Sandbar’s Stream Ring has the potential to be one of them.