Communication Design Engineer

Trilogy Communications Inc; Pearl (MS); On-site; USD 90,000 - 150,000; Full time

Job summary

Marmon Industrial Energy & Infrastructure seeks a Principal Design Engineer to lead the design, qualification, and lifecycle support of high-performance coaxial, twisted-pair, fiber-optic and related cable products.

You will convert customer and market requirements into reliable, manufacturable solutions while collaborating with Product Management, Applications Engineering, Manufacturing, Quality, suppliers, and customers.

Qualifications

• Required: Bachelor's degree in Electrical Engineering, Optical Engineering, Physics, or related field.
• Minimum of five years of experience in cable design and related areas.
• Preferred: Master's degree and strong knowledge of RF/optical transmission and standards.

Responsibilities

• Lead new product development and sustaining engineering projects for coaxial, twisted-pair, fiber-optic, power, and hybrid cable constructions.
• Apply electromagnetic and optical transmission theory to conductor geometry, dielectric systems, shielding, cabling, fiber selection, and termination design.
• Develop and validate designs through calculations, modeling, prototypes, design reviews, and laboratory testing.
• Document design assumptions, risks, tolerances, and acceptance criteria.
• Direct product development priorities aligned with business strategy and product roadmaps.

Skills

Cable design

RF propagation

EM theory

Quality systems

Project leadership

Education

Bachelor's degree in Electrical Engineering, Optical Engineering, Physics

Master's degree in Electrical Engineering, Optical Engineering, Physics

Job description

Marmon Industrial Energy & Infrastructure

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best. The Principal Design Engineer leads the design, qualification, and lifecycle support of high-performance coaxial, twisted-pair, twinaxial, fiber-optic, Power over Ethernet (PoE), Single Pair Ethernet (SPE), Class 4 power, and hybrid cable products. This role converts customer and market requirements into reliable, manufacturable, standards-compliant solutions while partnering closely with Product Management, Applications Engineering, Manufacturing, Quality, suppliers, and customers.

Essential Responsibilities

Transmission Cable Design & Product Development

Lead new product development and sustaining engineering projects for coaxial, twisted-pair, twinaxial, fiber-optic, power, and hybrid cable constructions. Apply electromagnetic and optical transmission theory to conductor geometry, dielectric systems, shielding, cabling, fiber selection, and termination design. Develop and validate designs through calculations, modeling, prototypes, design reviews, and laboratory testing. Document design assumptions, risks, tolerances, and acceptance criteria. Direct product development priorities aligned with business strategy and product roadmaps.

Standards, Compliance & Qualification

Design and qualify products to applicable TIA-568, ISO/IEC 11801, SPE, Industrial Ethernet, Telcordia, NEMA, ICEA, UL, and CSA requirements. Support ISO 9001 and ISO 14001 systems, along with material-compliance obligations including RoHS, REACH, Proposition 65, PFAS, TSCA, CMRT, and EMRT. Define qualification and production test methods, equipment, fixtures, sampling plans, and acceptance criteria. Review industry codes and standards and represent MIEI at industry and agency meetings. Support Marmon Electrical businesses in maintaining and developing industry standards.

Manufacturing, Suppliers & the 5Ms

Serve as a subject matter expert in the transmission cable 5Ms: Materials Manufacturing Methods Machines Measurement/Certification Manpower/Training Partner with manufacturing facilities and suppliers to resolve material, equipment, process, testing, certification, quality, and performance issues. Translate designs into manufacturable products, including process windows, inspection requirements, and testing criteria. Support root-cause analysis, corrective actions, and CAPEX planning related to product design requirements.

Project Execution & Systems

Manage projects utilizing Stage-Gate/New Product Development processes and continuous improvement methodologies. Maintain accurate product information within CableBuilder, Smartsheet, Axiom, QCBD, ISOVISION, and other company systems. Ensure specifications, drawings, test plans, and engineering changes are accurate, traceable, and released on schedule.

Customer, Technical & Organizational Support

Provide technical training related to cable construction and termination principles for internal teams and customers. Support customer troubleshooting, technical reviews, product qualifications, and field issue resolution. Assist with R&D planning and budget management aligned with strategic business initiatives.

Education & Experience

Required: Bachelor's degree in Electrical Engineering, Optical Engineering, Physics, or a related technical field. Minimum of five years of experience in cable design, transmission-line/RF propagation, data communications, or fiber-optic product development. Experience designing and qualifying cable products. Experience interpreting specifications, engineering drawings, test data, and industry standards. Experience supporting manufacturing operations, suppliers, engineering change control, Stage-Gate/NPD programs, and cross-functional teams.

Preferred

Master's degree in Electrical Engineering, Optical Engineering, Physics, or related field.

Knowledge, Skills & Abilities

Knowledge of electromagnetic and optical transmission theory, RF theory, signal integrity, and cable materials/construction. Familiarity with RF, high-speed data, and optical qualification and production testing methods. Proficiency with engineering calculations, cable design software, laboratory tools, and modeling applications. Ability to balance performance, compliance, manufacturability, quality, cost, reliability, schedule, and technical risk. Strong written, verbal, project management, training, and cross-functional leadership skills. Continuous improvement mindset with excellent judgment and attention to detail. Ability and willingness to travel as required.

Equal Opportunity & Employment Practices

Marmon Industrial Energy & Infrastructure is an Equal Opportunity Employer and makes employment decisions without regard to race, color, religion, age, sex, pregnancy, national origin, sexual orientation, gender identity, disability, veteran status, or any other characteristic protected by applicable federal, state, or local law. Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law. We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to [e-mail], and please be sure to include the title and the location of the position for which you are applying.

Company Overview

Welcome to the biggest small business you’ll ever find. Part of Berkshire Hathaway, Marmon is a global industrial organization made of 11 industry groups with 30K employees and $12 billion in annual revenue. As leaders in their respective industries, our 120+ companies thrive on an independent mindset and entrepreneurial spirit. At the same time, they benefit from being part of our industry groups—where they’re able to tap into the expertise and insights of other Marmon companies. While we’re all unique, we all share a common commitment to doing things that matter, leading at every level, and winning a better way. When you work at Marmon, you're advancing our everyday world and beyond. Our engineering solutions help millions around the world stay connected, healthy, and safe. Wherever you're at in your career, our people and resources will help you go further. As you grow your skills, you can also move up and around our 120+ companies. Work at a place you can stand behind. We show up to win every day, uphold the highest ethical standards, and always look to put each other in the best position to win.