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Crystal Group

Principal Electrical Engineer

Hiawatha, IA, United States

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Job details

Experience: Bachelor of Science in Electrical Engineering, Physics, Computer Science or related engineering field and 10+ years of electrical engineering experience
Posting language: English
Posted: Sep 1, 2026

Original job description

Hiawatha, IA

Cedar Rapids, IA

Full time

R0004754

Job Description:

Job Title: Principal Electrical Engineer

Reports to: Manager, Electrical Engineering

Department: Engineering

Work Model: Full-time, On-site – No Travel Required

Schedule: Monday – Friday 8am-5pm

Company & Benefit Information

At Crystal Group, we do hard things – designing and building rugged tech and tech solutions that provide predictable performance in the world’s most unforgiving environments. As a 100% employee-owned company, here you take extreme ownership of your role and work and invest in your own success and that of your teammates. Together we use a zero limits approach to wow our customers.

Crystal Group offers a comprehensive benefits package including:

Medical/dental/vision insurance
Paid time off
Tuition reimbursement
Wellness programs
Participation in our Employee Stock Ownership Plan (ESOP)
On-Site Gym

Job Summary

This position is responsible for the design, development, and verification of assigned electrical wiring and printed circuit board (PCB) assemblies to include cables, plugs, military connectors, and associated pin-outs. In addition, the Principal Electrical Engineer will be expected to perform research and development of new processes or services with minimal oversight as well as conduct peer reviews, be a mentor for new hires, and lead medium-size project groups.

Essential Functions

Maintain extensive working knowledge of Crystal Group’s electrical design tools for efficient conversion of technical requirements into schematic diagrams, PCB layouts, and circuit card assembly drawings
Read and interpret electrical drawings and designs to ensure adherence to established specifications and standards
Assist the systems team in researching, designing, and evaluating systems and/or processes to meet customer requirements, ensure designs are producible and error free
Provide component-level review and in-depth electrical troubleshooting support for products in Manufacturing and Technical Services
Provide extensive troubleshooting support for products in Manufacturing and Technical Services
Review and provide template updates for electrical drawings and designs to ensure adherence to established specifications and standards, as assigned
Utilize engineering theory and simulation models to assess feasibility, sustainability, and operating condition effects
Direct or coordinate electrical manufacturing and testing activities to ensure compliance with specifications, codes, or customer requirements
Compile data and write reports regarding existing or potential electrical engineering studies or projects
Design electrical test control apparatus or equipment or develop procedures for testing products
Perform detailed electrical calculations to compute and establish manufacturing standards or specifications
Evaluate electrical designs or prototypes for energy performance or environmental impact
Write electrical performance requirements for product development or engineering projects
Provide technical assistance for the Pilot Line build and testing of new products and systems
Maintain a high level of quality of designs with minimal errors
Perform electrical calculations to compute and establish manufacturing standards or specifications
Provide technical assistance for the Pilot Line build and testing of new products and systems
Train and mentor more junior members of the department

Knowledge, Skills and Abilities

Extensive understanding and theory of printed circuit design and layouts
Extensive understanding of the design for wire harnesses and cables
Substantial knowledge of computer hardware and systems integration
Experience working in a fast-paced environment
Extensive knowledge of electrical component industry standards
Expert level understanding of commonly practiced concepts related to electrical engineering theory
Current industry standards of soldering, wire assemblies, and base assemblies
Use of full range instrumentation including oscilloscopes, spectrum analyzers, network analyzers, and protocol analyzers
Multitask to meet several simultaneous project milestones up to and including completion of several projects
Work both independently and in a team environment with the ability to change priorities as needed
Build, troubleshoot, and debug circuit boards and assemblies including analog and digital electronics
Ability to use various software programs related to engineering theory (Altium Designer, Autodesk Inventor, AutoCAD)Create, read, and compare technical data sheets
Able to effectively lead medium-large (4-7 member) multi-disciplinary teams on vaguely defined projects with little supervision, oversight, and coaching provided
Identify inter-departmental process deficiencies, propose viable solutions, and implement appropriate corrective action(s) with minimal managerial support provided

Required Qualifications

Must be a US Person (US Citizen, person granted US Permanent Resident Card or any individual who is granted status as a "protected person”)
Bachelor of Science in Electrical Engineering, Physics, Computer Science or related engineering field and 10+ years of electrical engineering experience

Preferred Qualifications

3+ years of PCB and schematic layout
3+ years of wire harness or cable design
10+ years of electrical component building experience
10+ years of CAD software related work
Extensive knowledge of computer equipment (PC, firewall, switch, data acquisition systems, UPS, server rack equipment, etc.)
Extensive knowledge of advanced testing equipment (bode plot generators, oscilloscopes, signal generators, spectrum analyzers, hall-effect probes, etc.)
3+ year of leadership experience

Working Conditions

Work is primarily performed in an office environment. Occasional exposure to manufacturing floors and testing environments. May require lifting up to 25 lbs, standing for extended periods during product testing.

EEO Statement

Crystal Group, Inc, maintains a program of equal employment opportunity designed to ensure that employment and advancement opportunities are made available to all employees and applicants on the basis of individual qualifications and without regard to race, religion, color, creed, national origin, disability, age, sex, genetic information, military status, or any other classification protected by federal, state, or local laws.

Offer Contingency

All job offers are contingent on the applicant successfully completing the background check and drug screen.

This job description is intended to describe the general nature and level of work being performed by individuals assigned to this position. It is not intended to be an exhaustive list of all responsibilities, duties, and skills required. Management reserves the right to modify, add, or remove duties and to assign other responsibilities as necessary. Employment with Crystal Group remains at-will.

EEO IS THE LAW (https://www.eeoc.gov/know-your-rights-workplace-discrimination-illegal)

EEO IS THE LAW (Spanish)

Pay Transparency Nondiscrimination Provision (https://www.dol.gov/sites/dolgov/files/OFCCP/pdf/pay-transp_%20English_formattedESQA508c.pdf)

Pay Transparency Nondiscrimination Provision (Spanish)

At Crystal Group, we do hard things - designing and building rugged tech and tech solutions that provide predictable performance in the world’s most unforgiving environments. As a 100% employee-owned company, here you take extreme ownership of your role and work and invest in your own success and that of your teammates. Together we use a zero limits approach to wow our customers.

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