Operations Manager — SiPhox Fulfillment

About the roleSiPhox 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 forA 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.ResponsibilitiesInventory, Forecasting & YieldRun strict inventory control for all SKUs (kits, components, packaging). Maintain >98% inventory accuracy.Build demand and supply forecasts (12–24 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 ManagementSource, 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 & SLAEnforce our SLA: every order ships within 1 business day.Coordinate inbound & outbound freight, 3PLs, and parcel carriers; resolve exceptions in real time.Quality Assurance & ComplianceStand 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 & SafetyWrite 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 & AutomationPartner 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 ownSLA 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 qualifications3+ 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 haveExperience 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 workOwnership, 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.BenefitsCompetitive salary + stock optionsMedical, dental, and vision coverageMembership to Lifetime Gym401(k)Weekly company-wide lunches