Jobs at Coherent Corp.

Integrates III-V semiconductor fabrication processes into production flows, defines process requirements and test structures, and performs electrical, RF, optical, and wafer characterization. Establishes design rules, process controls, yield targets, and manufacturing documentation while partnering cross-functionally to transfer technologies into high-volume production and improve device performance, yield, and time to market.

Leads embedded software development for optical networking products, including feature design, legacy issue resolution, code reviews, documentation, and system performance improvements. Collaborates with validation, integration, hardware, test, documentation, field applications, and customers. Requires expertise in C/C++, embedded Linux, networking protocols, optical networking systems, Agile development, CI/CD, and DevOps practices.

Develop and maintain embedded software and firmware for optical networking products. Design features, resolve legacy-product issues, improve performance, maintain documentation, and collaborate with validation, hardware, optical, and test engineering teams. Coach junior engineers, lead code reviews, support customer and field application interactions, and contribute across Agile, CI/CD, and DevOps workflows. The role requires expertise in C/C++, embedded Linux, networking protocols, optical networking systems, and multi-process and multi-threaded design.

Designs and develops embedded software and firmware for optical networking products, resolves legacy product issues, and improves performance with cross-functional engineering teams. The role includes maintaining documentation, coaching junior engineers, leading code reviews, supporting customer and field application interactions, and contributing throughout the Agile and DevOps lifecycle. Requires expertise in C/C++, embedded Linux, networking protocols, optical networking systems, and system-level software functions.

Owns product yield for InP lasers and photodiodes by analyzing wafer and die test data, identifying process and device failure causes, and driving corrective actions. Collaborates with epitaxy, process, design, manufacturing, quality, and reliability teams to improve yield and product stability. Plans experiments, supports characterization and specification reviews, evaluates process changes, and communicates findings through technical reports and product reviews.

Leads reliability engineering for optical communication products, including FIT rate analysis, DFMEA, qualification requirements, compliance testing, external laboratory coordination, and qualification reporting. Works with customers and component vendors, supports root cause and corrective action efforts, and troubleshoots system-level EMC, safety, and NEBS issues. Requires expertise in optical devices, Telcordia standards, reliability modeling, manufacturing processes, and reliability tools.

Leads embedded software development for optical networking products, designing features, resolving legacy issues, and improving product performance. Drives code reviews, design practices, documentation, and customer and field application support. Requires expertise in C/C++, embedded Linux, networking protocols, optical networking systems, Agile development, CI/CD, DevOps, virtualization, and container technologies. The role is onsite in Horsham, Pennsylvania, with occasional travel.

Leads hands-on evaluation and characterization of high-frequency RFIC and electro-optical prototype silicon. Automates RF/mmWave wafer probing and laboratory measurements, develops datasheets, evaluation boards, and software, and provides pre- and post-sale technical support. Collaborates on product definition and advanced cross-functional developments while applying expertise in S-parameters, signal integrity, optical communications, and high-speed IC validation.

Owns cross-site semiconductor and photonics manufacturing ramps across Fremont and Ipoh. The role drives integrated readiness schedules, capacity modeling, equipment installation and qualification, staffing, materials, process readiness, systems configuration, and shipment recovery. It coordinates engineering, operations, procurement, suppliers, IT, and factory teams while reporting risks and mitigation plans to leadership. The position requires semiconductor manufacturing experience, strong program management, capacity planning expertise, and travel to Asian manufacturing sites.

Leads an applications engineering team, manages RFIC prototype and electro-optical measurements, develops datasheets, evaluation boards, and software, supports customers, and contributes to product definition. Requires extensive RFIC, RF board design, optical communications, signal processing, and technical customer support experience, along with hands-on measurements above 20 GHz and basic programming skills.

Leads architecture, design, development, evaluation, qualification, and production transition for high-performance broadband optical communication ICs. Manages engineers across global sites, oversees prototype silicon characterization, and provides hands-on technical leadership in RFIC, analog, CMOS, and SiGe BiCMOS design. Requires extensive experience with high-frequency circuits, IC tape-out, custom RF layout, Cadence tools, optical and wired communications, and cross-functional product development.

Leads global supply chain program management for contract manufacturing, including Southeast Asia network expansion, integrated business planning, capacity planning, factory transfers, production ramps, and operational readiness. Oversees strategic suppliers, drives supply-demand and inventory strategies, establishes performance systems, manages cross-functional programs, and develops global teams. The role is hybrid in Sherman, Texas, with frequent international travel.

Design and develop fiber optic transceivers from concept through manufacturing readiness. Analyze, model, simulate, and measure optical and electrical performance; address RF, power, noise, control, thermal, and EMI challenges. Collaborate with multidisciplinary engineering teams, suppliers, buyers, and program managers. Create drawings, BOMs, and ECOs, resolve design-for-manufacturability issues, support prototype and pilot builds, and conduct architectural, EVT, and DVT design reviews.

Supports manufacturing systems for LPE operations by connecting equipment, automating data acquisition, developing dashboards and database interfaces, implementing manufacturing automation, and analyzing production, process, yield, and equipment data. Works cross-functionally with Operations, Engineering, IT, Quality, and suppliers to document, troubleshoot, and improve manufacturing systems, data accuracy, process visibility, and decision-making.

Manages international tax compliance, regulatory reporting, tax filings, and related deadlines across jurisdictions. Models GILTI, FDII, and BEAT; coordinates with regional tax teams; supports audits and tax inquiries; researches technical tax issues; and improves compliance processes. Requires multinational accounting or tax experience, international tax knowledge, ASC 740 and US GAAP understanding, strong organizational skills, and proficiency with Microsoft Office.

Develop and maintain manufacturing software tools, including new development, database queries, stored procedures, tables, and views. Support fabrication operations, implement ShermanData configuration updates from Engineering Change Orders, and maintain production software. The role requires C#/.NET programming, strong Microsoft SQL Server knowledge, source-control experience, independent work, and flexibility to support a 24/7 manufacturing facility.

Leads physical layout, mask design, verification, and production release for III-V semiconductor lasers and photonic devices. Develops DRC/LVS automation, process monitors, test structures, layout standards, reusable libraries, and manufacturing workflows. Collaborates with process, device, epitaxy, manufacturing, and product engineering teams to resolve layout and manufacturability issues. Guides mask revisions, change control, design reviews, failure analysis, and team development while mentoring layout technicians.

Manages third-party logistics warehouses across the Americas, overseeing fulfillment, inventory control, delivery performance, operational issue resolution, SOPs, KPIs, quality compliance, budgeting, and vendor relationships. Drives continuous improvement and best-in-class logistics performance while ensuring service, safety, quality, and cost objectives. Requires substantial warehouse leadership, supply chain, 3PL, carrier management, program management, data analysis, and stakeholder communication experience.

Manage U.S. international tax provision, compliance, reporting, and tax planning activities. Prepare and review Subpart F, GILTI, FDII, BEAT, foreign tax credit, FIN 48, and international tax return calculations. Coordinate audits, regulatory filings, external advisors, regional tax managers, and cross-functional stakeholders. Drive process improvements and support tax-efficient business structuring while managing multiple deadlines in a global organization.

Develop and optimize semiconductor wafer back-end processes, including dicing, sorting, cleaning, and automated optical inspection. Monitor process performance, investigate defects and yield excursions, create inspection recipes and control plans, and execute experiments to improve detection, capability, throughput, and cost. Collaborate with equipment, quality, reliability, manufacturing, and suppliers to troubleshoot systems, qualify upgrades, support new product introductions, and train technicians and engineers.