About the role
SiPhox fulfillment is the backbone of our customer experience. Youll 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 were 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). Maintain >
98% inventory accuracy.
Build demand and supply forecasts (1224 week horizon). Translate forecasts into purchase plans and safety stock levels.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 youll own
SLA hit rate : 99% of orders shipped within 1 business dayInventory accuracy : 98% (cycle-count verified)First-pass yield (FPY) : 99% for standard kitsForecast error (MAPE) : improving quarter-over-quarterCOGS per kit : tracked and trending down with quality intactBasic 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 budget management experience.Exceptional attention to detail and process discipline; writes and enforces SOPs.Comfortable working in a fast-moving, hands-on environment.Nice to have
Experience with WMS implementation, barcode systems, and label / scan / print 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. Youll 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 optionsMedical, dental, and vision coverageMembership to Lifetime Gym401(k)Weekly company-wide lunches