Senior Firmware Engineer

Butler Aerospace & Defense

• 
  Cedar Rapids, Iowa
  
• 
  

CONTRACTOR

Updated 09/13/2026

Job Description

Job Summary

Senior Firmware Engineer

Location:

Cedar Rapids, IA

Job ID:

73162

Pay Range:

$60 - 71

Senior Firmware Engineer:

Seeking a highly skilled and innovative Senior Software Engineering Contractor to work with our Applied Research and Technology (ART) Microelectronics Technology team. Your work will contribute to the development of cutting-edge defense solutions across Mission Systems, leveraging your expertise in the design, implementation, verification, and integration of high-performance digital FPGAs. These solutions will undergo the highest level of certification rigor in accordance with

DO-254 DAL A

requirements.

What You Will Do

Requirements Management:

Developing, reviewing, and maintaining hardware requirements to ensure completeness, correctness, and traceability to system-level requirements in DOORS.

Design and Implementation:

Creating complex hardware designs, often using FPGAs, that meet DAL A objectives.

Verification and Validation:

Performing rigorous verification activities, including functional testing, quantitative analysis, and reviews, to demonstrate that the hardware meets all requirements

Tool Assessment:

Evaluating and qualifying design and verification tools to ensure they do not introduce errors, especially for Level A hardware

Documentation and Compliance:

Maintaining detailed records of design decisions, verification results, and traceability matrices to satisfy certification authorities

Cross-Functional Collaboration:

Working closely with systems engineers, software teams, and certification authorities to ensure integrated system safety.

Qualifications You Must Have:

Proven experience in FPGA development and DO-254 compliance processes.

Familiarity with

DO-254 DAL

A, Mil-516C related certification guidance.

Expertise in verification planning, testing, and tool qualification.

Ability to produce thorough documentation and maintain traceability from requirements to implementation and verification.

• RTL coding and simulation in VHDL or Verilog
  
• Digital circuit architecture, design, resource tradeoffs, timing analysis and timing closure
  
• Testbench development for the verification of RTL blocks using VHDL or System Verilog.
  
• Proficiency using FPGA simulation and synthesis tools (e.g. Modelsim, Synplify, Quartus, Vivado, or other FPGA-specific tools)
  
• Familiarity with revision control concepts and tools (e.g. Git, Subversion)
  
• Ability to work with minimal supervision, team with engineers of a variety of skills and backgrounds, and matrix into projects with aggressive schedules and frequent milestones.
  
• Strong oral and written communication skills with the ability to document and present ones work and status
  
• Bachelor's Degree in applicable engineering or science field plus 4 years related experience.
  
• U.

S. Citizenship required

Benefits provided: 401K, medical, dental, and vision, sick time as applicable to state law

Butler America Aerospace, LLC. is an equal opportunity employer. Butler evaluates applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. The Butler America Aerospace, LLC. EEO Policy Statement and "Know Your Rights" Poster is available here: Applicant and Employee Notices.

Butler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact the Human Resources Department at accommodationsbutler.com.

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