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Sr Mechanical Engineer

at Kansas City National Security Campus in Overland Park, Kansas, United States

Job Description

The Kansas City National Security Campus (KCNSC), managed and operated by Honeywell Federal Manufacturing & Technologies, is a premier advanced manufacturing facility that supports the safety, security, reliability and effectiveness of our nation's nuclear deterrent. With nearly 7,000 employees combined in Kansas City, Missouri, and Albuquerque, New Mexico, KCNSC protects our nation and allies by producing trusted national security products and services for the U.S. Department of Energy's National Nuclear Security Administration.

We create innovative solutions to complex national security challenges, and lead with accountability, collaboration and an unwavering dedication to our mission and core values. Click here to view the mission, vision and values that guide our work.

Are you ready to do work that matters?
SummaryThis Sr Mechanical Engineer role is responsible for providing engineering support of highly technical and advanced manufacturing processes; may require specialized qualifications, knowledge, and skill. Other expectations include project management, designing, developing, and evaluating quality control functions on highly complex engineering projects and offering innovative solutions to technical problems by applying mathematical, physical science, and advanced engineering technologies.

Duties and Responsibilities
Recognized authority within area of expertise with wide versatility of experience and capability.  
Works under general administrative direction occasionally with some latitude for unreviewed actions or decisions. 
Performs project planning and manages project resources, including multiple individuals and disciplines, to achieve quality, delivery, and cost objectives. 
Conducts research and development while writing technical reports for experiments to resolve complex engineering and quality problems involving highly technical and scientific methods. 
Mentors lower-level engineers establishing operating procedures on new products and components. 
Utilizes data to define and recommend new designs, design changes, and alternate designs of instruments, and/or test equipment, to assure product quality and resolve processing, inspection, and design problems. 
Evaluates and implements innovations and technological advances that improve quality, reduce flowtime, improve productivity, and enhance operational surety. 
Interacts with design agency and/or supplier counterparts to resolve moderate to complex design, development, production, and acceptance issues. 

You Must Have
Ability to travel up to 15% of the time. 
Ability to work remote, hybrid, or on-site as directed by management and is determined by the needs of the business.
Bachelor of Science degree from an ABET accredited program in Engineering or Physics 
6+ years of relevant experience in engineering, analytical, or related technical activities. 
United States Citizenship 
Regular and reliable attendance is an essential function of this job 

We Value
Demonstrates knowledge of manufacturing or quality processes and techniques. 
Demonstrates application of advanced design, development, evaluation, and quality control techniques to complex engineering concepts and projects. 
Demonstrates working without supervision, with latitude for independent action and decision making. 
Demonstrates providing technical guidance, project management guidance, consultative services, and innovative solutions.
This job description is not all-inclusive; additional duties may be assigned. Employees must maintain regular, reliable attendance, and be able to work on-site and travel as needed.

What We Offer

We are focused on attracting, hiring and retaining talented people who power our mission. Our robust total rewards package recognizes performance, fuels development and supports flexibility. Key features include:

Medical, dental and vision insurance

Health Savings Account (HSA)

Industry leading 401(k) match

Generous paid time off

Flexible work schedule

Tuition Reimbursement

Professional Certification & License Programs

Mission driven culture

Click here to learn more about our benefits and culture.

Connect with us on social media: Facebook, LinkedIn and X.

We are required by the Department of Energy (DOE) to conduct a pre-employment drug test and background review, including checks of references, credit, law enforcement records and employment/education history. Applicants must be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship. Dual citizenship may affect clearance eligibility.

All employment offers are contingent on a federal background investigation. Substance abuse, illegal drug use, falsified information, criminal activity, serious misconduct or other indicators of untrustworthiness may result in denial or loss of clearance and termination of employment.

Honeywell Aerospace is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status and any other protected class under state or federal law.

National Nuclear Security Administration (NNSA) Requirements for MedPEDs
If you have a medical portable electronic device (MedPED) — such as a pacemaker, defibrillator, drug‑releasing pump, hearing aids or diagnostic equipment used to measure or monitor body functions — you may be required to meet NNSA security requirements if employed by us.

If you have a MedPED and are selected for an on-site interview, additional steps may be required to ensure compliance with NNSA security requirements before your interview date.If you require a reasonable accommodation to submit an application, please send an email to our Reasonable Accommodation Support Team at staffing@kcnsc.doe.gov.

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Job Posting: 13667034

Posted On: Sep 16, 2026

Updated On: Sep 16, 2026

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