Sr Mechanical System Engineer

Sierra Nevada Corporation•Vandalia, OH

7d•Hybrid

About The Position

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. SNC has led thoughtful and disruptive change in the aerospace and defense industry for the past 60 years and now, we’re applying this tenacity and expertise to the U.S. Air Force’s (USAF) Survivable Airborne Operations Center (SAOC) mission. Join the SNC-led SAOC team and be a part of exciting and meaningful work to modernize and deliver the next-generation SAOC aircraft trusted by the President, Secretary of Defense and Chairs of the Joint Chiefs of Staff to ensure continued critical command, control and communication during national emergencies. If you’re passionate about building the airborne command post of the future, consider SNC for your next mission. Learn more about NC3 and SAOC here. We are seeking a highly skilled Senior Mechanical Systems Liaison Engineer to join our Liaison Engineering organization. In this role, you will serve as the subject matter expert for aircraft mechanical systems, such as Environmental Control Systems (ECS), Water and Waste Systems, aircraft control systems, and other mechanical and structural subsystems. You will focus on system interactions, real time troubleshooting, and test support across the product lifecycle. You will work directly with design engineering, manufacturing, quality, and test teams to resolve issues, ensure system integrity, and support successful system, ground, and flight test execution.

Requirements

Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related discipline
10+ years of experience in mechanical or systems engineering, including hands‑on liaison or test support experience
Strong understanding of aircraft mechanical systems and how they behave and interact under operational and test conditions
Demonstrated experience with troubleshooting, root cause analysis, and corrective action implementation
Ability to interpret engineering drawings, reports, ICDs, system‑level requirements, and Aircraft Maintenance manuals (AMM)
Proven ability to collaborate effectively across multidisciplinary engineering, manufacturing, and test teams
Strong written and verbal communication skills
Ability to work on a computer for extended periods.
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
Ability to understand technical documents, designs and test reports.
Ability to obtain and maintain a Top Secret U.S. Security Clearance.
U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment.

Nice To Haves

Master’s degree or higher in a relevant engineering field
Experience supporting assembly, integration, ground test, and/or flight test activities
Highly experienced with FAA regulations and familiar with additional aerospace regulatory frameworks (EASA, DoD, NASA)
Experience with MRB, non‑conformance management, and engineering dispositions
Knowledge of MBSE tools, requirements management, or system modeling techniques
Experience with test instrumentation, data acquisition systems, or test analysis tools
Background in developing or delivering technical training or mentoring
Experienced in maintenance and modification of Boeing commercial aircraft

Responsibilities

Provide technical liaison support for aircraft mechanical systems throughout production, integration, and test activities
Lead root cause analysis and resolve system‑level issues, non‑conformances, and test anomalies
Interpret engineering drawings, specifications, interface requirements, Aircraft Maintenance manuals (AMM), and test data to diagnose and correct system behavior
Support system, ground, and flight test activities, including test readiness, troubleshooting, and data analysis
Develop and approve engineering dispositions, repairs, rework instructions, and temporary deviations
Coordinate system‑level technical actions across engineering, quality, manufacturing, and test organizations
Document findings, corrective actions, and verification results in accordance with engineering standards
Mentor junior engineers in liaison engineering practices, system troubleshooting, and effective cross‑functional communication
Identify and support continuous improvement initiatives within liaison processes and system integration activities
Provide support to additional mechanical and structural disciplines as needed