SiPhox Health

Operations Manager — SiPhox Fulfillment

Burlington, MA, US Full-time

About the role

SiPhox fulfillment is the backbone of our customer experience. You’ll own day-to-day kit assembly, inventory, and shipping while building the systems that let us scale with speed and precision, keeping our customers 100% satisfied.

What we’re looking for

A meticulous, high-drive operator who treats inventory accuracy, yield, and on-time shipments as non-negotiables, and is comfortable enforcing standards. Type-A, control-oriented, neurotic attention to detail.


Responsibilities

Inventory, Forecasting & Yield

  • Run strict inventory control for all SKUs (kits, components, packaging).
    • Cycle counts, lot/batch/expiry tracking, and reconciliation.
    • Maintain >98% inventory accuracy.
  • Build demand and supply forecasts (12–24 week horizon).
    • Translate forecasts into purchase plans and safety stock levels.
  • Own yield, scrap, and rework.
    • Track on-time, in-full performance and keep aging orders near zero.

Supplier & Cost Management

  • Source, vet, and qualify high-quality suppliers for components, packaging, and logistics.
  • Negotiate pricing, MOQs, and terms; prevent single-points-of-failure with dual sourcing.
  • Manage the budget for COGS and OPEX; drive cost per kit down without sacrificing quality.

Fulfillment, Logistics & SLA

  • Enforce our SLA: every order ships within 1 business day.
  • Coordinate inbound & outbound freight, 3PLs, and parcel carriers; resolve exceptions in real time.

Quality Assurance & Compliance

  • Stand up a robust QA system across incoming, in-process, and final inspections.
  • Define sampling plans, acceptance criteria, and stop-ship triggers.
  • Champion Good Documentation Practices; align workflows with ISO 13485-style rigor.

SOPs, Training & Safety

  • Write crystal-clear SOPs for kit assembly, fulfillment, inventory, and QC checks.
  • Build role-based training, workstation standards, and audit checklists.
  • Maintain a tidy, safe floor, calibrated equipment, and compliant handling.

Software & Automation

  • Partner with software engineering to build & optimize internal tools for fulfillment, assembly, inventory, and forecasting.
    • Define requirements, write user stories, and own user acceptance testing.
    • Work with & automate integrated barcode scanning, camera streaming for QA, lot/expiry capture, and real-time dashboards.
  • Evaluate/implement WMS; ensure clean and reliable data.

Success metrics you’ll own

  • SLA hit rate: ≥99% of orders shipped within 1 business day
  • Inventory accuracy: ≥98% (cycle-count verified)
  • First-pass yield (FPY): ≥99% for standard kits
  • Forecast error (MAPE): improving quarter-over-quarter
  • COGS per kit: tracked and trending down with quality intact

Basic qualifications

  • 3+ years in operations/supply chain/fulfillment.
  • Proven ownership of inventory systems and aggressive ship-speed SLAs.
  • Strong analytical toolkit: spreadsheets, dashboards, and KPI-driven decision-making.
  • Supplier sourcing and contract negotiation experience.
  • Exceptional attention to detail and process discipline; writes and enforces SOPs.
  • Comfortable building from scratch in a fast-moving, hands-on environment.

Nice to have

  • Experience with WMS implementation, barcode systems, and label/scan workflows.
  • Strong scripting (Python/React) ability for lightweight automation and analytics.
  • 3PL management and cold-chain shipping experience.

How we work

  • Ownership, precision, and speed. You’ll have end-to-end control of fulfillment so kits ship on time and quality never slips.
  • In-person, hands-on. Onsite in Burlington, MA to walk the floor, fix bottlenecks fast, and collaborate tightly with engineering and ops.

Benefits

  • Competitive salary + stock options
  • Medical, dental, and vision coverage
  • Membership to Lifetime Gym
  • 401(k)
  • Weekly company-wide lunches

🚀 Y Combinator Company Info

Y Combinator Batch: S20
Team Size: 63 employees
Industry: Healthcare -> Consumer Health and Wellness
Company Description: Wearable and At-Home protein monitoring with silicon photonic chips

💰 Compensation

Salary Range: $75 - $95

📋 Job Details

Job Type: Full-time
Experience Level: 3+ years
Time to Hire: 14

🛠️ Required Skills

Python React Data Analytics