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# Sr Mechanical Engineer with Security Clearance

- **Company:** Sierra Nevada Corporation.
- **Location:** Dayton, OH, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Computer-Aided Design, Computational Fluid Dynamics, Desktop Computing, C4ISR, Vulnerability Analysis
- **Published:** October 27, 2026
- **Apply:** https://www.adzuna.com/details/5940767736

## About the Role

* Collaborate closely with internal teams, cross-functional partners, and external stakeholders to ensure alignment, progress, and overall program success. Qualifications You Must Have: You'll bring deep engineering expertise and the leadership skills needed to support a high-impact environment with complex technical challenges. * Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.
 * 10+ years of experience in mechanical engineering or a related technical discipline.
 * A higher-level relevant degree may substitute for experience.
 * Expert knowledge of mechanical design principles and proficiency with industry-standard CAD tools.
 * Strong understanding of core engineering principles and their application in real-world environments.
 * Experience with Computer-Aided Engineering (CAE) tools.
 * Demonstrated success collaborating within multi-disciplinary design and development teams. Qualifications We Prefer: * Master's or PhD in a related field.
 * Experience applying and interpreting Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
 * Understanding of Engineering Simulation such as Finite Element structural analysis (FEA), Computational Fluid Dynamics (CFD) and Thermal Analysis
 * Background in the Aerospace and Defense Industry
 * Knowledge of industry-standard mechanical design principles, to include, but not limited to parametric design, model-based definition, material hardware selection, manufacturing, and production processes
 * Knowledge of environmental requirements for components utilized in aircraft and space applications
 * Experience providing technical guidance to a diverse team of engineers on issues related to mechanical engineering Essential Functions: * Ability to work on a computer for extended periods.
 * Occasional travel may be required.
 * Ability to work in an office or hybrid environment.
 * Applying systematic and logical problem-solving techniques to develop mechanical designs
 * Clearly convey technical information, design specifications, and project updates to team members, stakeholders, and management

## Description

Step into a role where your engineering leadership drives mission-critical innovation and directly shapes the future of aerospace technology. As a senior mechanical engineering leader, you will guide complex system design efforts, influence high-visibility programs, and strengthen the technical foundation of a growing engineering environment. Your expertise will be central to solving tough, meaningful challenges while mentoring the next generation of engineers and elevating cross-functional collaboration. This is an opportunity to make a substantial impact-where your decisions matter, your leadership is visible, and your work actively contributes to advancing next-generation mechanical systems. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control,
Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations - with an unrivaled record of on time and on (or under) budget deliveries. Responsibilities: Step into a role where your engineering leadership directly influences major aerospace initiatives. In this position, you will guide complex mechanical engineering efforts that shape next-generation technology and support high-visibility programs. * Lead and manage complex mechanical engineering projects from concept through execution, ensuring technical excellence and on-time delivery.

 * Provide expert-level guidance in the design, development, and refinement of advanced mechanical systems.
 * Perform high-level analyses, simulations, and design evaluations to drive optimal performance and reliability.
 * Mentor, coach, and elevate junior engineers, strengthening the team's technical depth and engineering rigor.
 * Prepare, review, and present detailed technical documentation, analyses, and reports to support decision-making and project milestones.