Unknown Company

Electro-Optic Link Hardware Engineer

boston, ma • Posted 1 weeks ago
Hybrid Full Time General

Electro-Optic Link Hardware EngineerBoston, MALightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world's first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.Lightmatter is (re)inventing the future of computing with light!We're looking for a hands-on Photonics engineer to lead verification and characterization of high-speed electro-optic links across multiple silicon and system programs.

You'll work at the bench alongside the EOE team owning modeling methodology, measurement standards, and serving as the escalation point for the toughest signal integrity and link-performance problems in the org.Responsibilities:Run hands-on lab characterization and debug of high-speed electrical/optical hardware, including novel failure modesBuild system-level electrical/optical/EO channel models and correlate them against your own bench measurementsOwn link budget and verification methodology while staying hands-on with the validating measurementsCharacterize eye diagrams, BER, jitter, equalization, and channel impairmentsSupport silicon bring-up and root-cause debug with analog, package, PCB, and SerDes teamsInfluence chip/package/system architecture tradeoffs based on bench findingsMentor Senior/Staff engineers without stepping back from lab workBuild automation/tools to speed up characterization workQualifications:MS/PhD in EE, Photonics, Physics (8+ yrs) or BS/MS (10+ yrs)Ownership of verification strategy for a full silicon/system programDeep expertise in 56G/112G/224G+ serial links, SerDes equalization (CTLE/FFE/DFE), and signal integrity (S-parameters, crosstalk, link budgets)Hands-on lab experience leading investigations that stalled othersStrong Python/MATLAB for team-used automation frameworksProficiency with VNA, scopes, BERTs, TDRs, and tools like ADS, HFSS, Cadence, COMSOLTrack record mentoring engineersPreferred Qualifications:Silicon photonics/EO systems at the architecture levelPackage/PCB/channel co-design ownershipCOM/IBIS-AMI modeling, patents/standards contributions (OIF, IEEE 802.3)We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.$195,000 - $250,000 USDBenefits:Comprehensive Health Care Plan (Medical, Dental & Vision)Retirement Savings Matching ProgramLife Insurance (Basic, Voluntary & AD&D)Generous Time Off (Vacation, Sick & Public Holidays)Paid Family LeaveShort Term & Long Term DisabilityTraining & DevelopmentCommuter BenefitsFlexible, hybrid workplace modelEquity grants (applicable to full-time employees)Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.Export ControlCandidates should have capacity to comply with the federally mandated requirements of U.S.

export control laws.

Electro-Optic Link Hardware Engineer in boston at Unknown Company

This position is listed as full time and hybrid.

Back to Job Search