Hardware Engineer III

Req. Number

26-311

Job Description

Job Summary:

Mercury Systems is offering an experienced Hardware Engineer with a strong focus on rugged server integration. In this role, you will integrate and validate server components including risers, power supplies, cables, add-in cards, and highspeed interfaces, ensuring full system level electrical integrity. You will also design targeted supporting PCBs (such as riser cards, power distribution boards, or fan controllers) needed to optimize system performance and configurability. This position is ideal for an engineer who enjoys hands-on system bring up, debugging, and cross functional collaboration.

Key Responsibilities:

• Lead electrical integration of rugged server systems, incorporating commercial and custom boards.

• Own system level power architecture, including review, qualification, and integration of commercial power supplies.

• Integrate risers, cabling, add-in cards, and highspeed interfaces (PCIe Gen5, USB 3.x, SATA, Ethernet).

• Perform targeted PCB design including riser cards, power distribution boards, and fan/control modules.

• Address signal integrity issues and recommend cables, layouts, or red river-based solutions when needed.

• Support thermal management by developing or integrating fan control solutions.

• Collaborate with mechanical, test, software, and systems teams to ensure full system compliance.

• Lead debug and root cause analysis across power, thermal, and highspeed digital domains.

• Develop system electrical specifications, integration plans, and test procedures.

Required Qualifications:

• BS in Electrical Engineering or related field

• Typically requires 4+ years of hardware development experience from concept through production.

• Hands-on experience with power supplies and high current system design.

• Experience with schematic design using Cadence DEHDL/Concept or similar tools.

• Understanding of signal integrity principles and best practices.

• Strong cross-disciplinary communication skills and ability to lead technical efforts.

• This position requires you to access information that is subject to U.S. export regulations. You may only access such information if you are a U.S. citizen, lawful permanent resident.

Preferred Qualifications:

• Experience adapting commercial power supplies to military or ruggedized applications.

• Strong experience with PC/server architectures and system level hardware integration.

• Experience with digital interfaces (I2C, SPI, clocking and DC/DC power)

• Familiarity with MIL-STD704F, 1275, 1399, or MIL-STD461G.

• Experience with riser card, signal conditioning, or red river designs.

• Knowledge of thermal management and fan control system design.

• Experience with Intel CPU architecture and BIOS level integration.

• Handson experience with microcontrollers for sequencing or control tasks.

• Experience with Cadence Allegro for layout or SI simulation.

• The ability to obtain one. US Citizenship is required.

** We have other Electrical Engineer positions open on our careers page. **

Why Mercury?

Why should you join Mercury Systems?

Mercury Systems is a technology company that makes the world a safer, more secure place. We push processing power to the tactical edge, making the latest commercial technologies profoundly more accessible for today's most challenging aerospace and defense missions. From silicon to system scale, Mercury enables customers to accelerate innovation and turn data into decision superiority. Headquartered in Andover, Massachusetts, Mercury employs more than 2,300 people in 24 locations worldwide. To learn more, visit mrcy.com

Our Culture

We are committed to making Mercury a great place to work, no matter where our employees are located. We offer a casual and enjoyable atmosphere that allows employees to learn and grow. We help and care for one another and work as one to achieve results for us and for our customers. We value communication and transparency, and strive to foster two-way dialogue at all levels of the organization. We are committed to lifelong learning, offering comprehensive skills training and tuition reimbursement. Whether you're just starting out on your career journey or you are an experienced professional, it's important to us that you feel recognized and rewarded for your contributions.

To find out more about Why Mercury? ( , or visit the Mercury Community ( or find answers to general questions at Mercury FAQs (

Mercury Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex (including pregnancy), sexual orientation, gender identity, national origin, genetic information, creed, citizenship, disability, protected veteran or marital status.

As an equal opportunity employer, Mercury Systems is committed to a diverse workforce. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants that require accommodation in the job application process may contact the number below for assistance.

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