Sr Designer

Overview:

TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide.

Title: Sr Designer

Work Location: Longmont, CO 80503

Duration: 6 Months

Job Type: Temporary Assignment

Work Type: Onsite

Job Description:

Position Summary:

• We are seeking a highly skilled Senior ECAD PCB Design Engineer to lead the design and development of complex printed circuit board assemblies (PCBAs) supporting next-generation server and storage platforms, including high-density systems such as 2U24 Servers and 2U20 JBOD (Just a Bunch of Disks) architectures.
• This role requires deep expertise in Mentor Graphics tools, high-speed digital design, PCB architecture, signal integrity, power distribution, and system-level integration.
• The successful candidate will work closely with electrical, mechanical, thermal, firmware, manufacturing, and validation teams to deliver reliable, high-performance products that meet demanding performance, reliability, and compliance requirements.
• The engineer will serve as a technical leader throughout the product lifecycle-from concept and architecture through schematic development, PCB implementation, validation, compliance testing, and production release.

Key Responsibilities:

• PCB Architecture & Design client General Information
• Lead schematic capture, PCB architecture definition, component selection, and board-level design activities for server and storage products.
• Design complex multilayer PCBAs supporting high-performance compute, storage, networking, and management functions.
• Develop robust power distribution networks (PDN) and power sequencing solutions.
• Ensure designs meet electrical, thermal, manufacturability, reliability, and cost objectives. High-Speed Signal Design

Design and validate high-speed interfaces including:

• PCI Express (Gen4/Gen5 and beyond)
• SAS (12G/24G)
• SATA
• NVMe over PCIe
• Ethernet interfaces (10G/25G/40G/100G/400G)
• DDR4 and DDR5 memory interfaces
• High-speed backplane and SERDES-based interconnects

Perform design reviews focused on:

• Controlled impedance implementation
• Differential pair routing
• Length matching
• Return path continuity
• Crosstalk mitigation
• Via optimization and stub reduction
• Power integrity and noise management Chassis-Level Integration
• Collaborate with chassis, mechanical, and thermal teams to ensure successful integration within dense server and storage enclosures.
• Evaluate board placement, connector strategies, airflow constraints, serviceability requirements, and manufacturability.
• Support architecture decisions that balance performance, reliability, cost, and mechanical constraints.

Design Reviews & Technical Leadership:

• Lead cross-functional engineering reviews.
• Develop and maintain PCB design guidelines, best practices, and reusable design methodologies.
• Mentor junior engineers and provide technical oversight to outsourced layout resources when applicable.
• Review external design deliverables to ensure adherence to product and company standards.
• Client General Information Manufacturing Support
• Partner with manufacturing, supplier quality, and NPI teams to support prototype builds and production ramp activities.
• Investigate and resolve manufacturing, assembly, and field reliability issues.
• Support DFM, DFA, and DFT initiatives.

Required Qualifications:

• Bachelor's degree in Electrical Engineering, Computer Engineering, or related discipline.
• 5 10+ years of experience in complex PCB and PCBA design.

Proven experience designing boards for:

• Enterprise servers
• Storage systems
• Networking equipment
• High-performance embedded platforms

Strong expertise in:

• High-speed digital design
• Signal integrity fundamentals
• Power integrity fundamentals
• PCB stack-up development
• EMI/EMC mitigation

Experience with modern ECAD design platforms such as:

• Siemens Xpedition
• Cadence Allegro
• Altium Designer
• Equivalent enterprise-level ECAD tools
• Knowledge of DDR4/DDR5, PCIe, SAS, SATA, SERDES, and Ethernet technologies.
• Experience interpreting vendor reference designs, compliance requirements, and chipset design guides.
• Strong understanding of PCB fabrication and assembly processes. Preferred Qualifications
• Experience with 2U server, JBOD, JBOF, or storage enclosure architectures.
• Familiarity with BMC, management controllers, and platform management interfaces.
• Experience supporting SI/PI simulations using industry-standard tools.
• Knowledge of thermal design considerations for high-density systems.
• Client General Information
• Experience working with ODMs, EMS providers, and external design partners.
• Understanding of firmware-hardware interactions and platform bring-up activities.
• Exposure to lifecycle management, sustaining engineering, and field failure analysis.

Technical Skills:

• High-Speed Design
• PCIe Gen4/Gen5
• SAS 12G/24G
• SATA
• NVMe
• Ethernet 10G 400G
• SERDES architectures
• DDR4/DDR5 PCB Design
• Mentor Graphics proficiency
• Multilayer PCB design (up to 24 layers)
• Controlled impedance routing
• Differential pair design
• Power distribution network design
• Design for Manufacturability (DFM)
• Design for Assembly (DFA) +
• Design for Test (DFT)

TekWissen Group is an equal opportunity employer supporting workforce diversity.