Job Description
Senior Mechanical Engineer Thales Defense & Security, Inc. medical insurance, parental leave, paid time off, paid holidays, tuition reimbursement, 401(k) United States, York, Great River Jun 03, 2026 Apply now
Senior Mechanical Engineer Location:
Great River, NY, US, 11739 Job Title:
Senior Mechanical Engineer - Subsea Systems (ROV) Job Location:
Great River, NY, Clarksburg, MD Advanced Acoustic Concepts, LLC, a wholly owned subsidiary Thales Defense & Security Inc., is a technical leader in the fields of sonar systems, sonar signal processing, acoustic training systems, and open architecture system and software integration. The venture focuses on emerging areas in the undersea warfare domain where the customer has identified mission-critical needs. For additional information about Advanced Acoustic Concepts, please visit our website at: https://www.aaccorp.com. Top Benefits(Subject to terms of applicable policies/plans) Competitive Salary
Yearly Incentive Compensation Plan
Medical insurance for self and eligible family members
Generous 401(k) program - up to 7% company contribution and 100% immediate vesting
Tuition Reimbursement
Paid time off and paid holidays
Paid maternity, paternity, and parental leave
9/80 Work Schedule (every other Friday off)
Onsite Full Time Position Summary Responsible for leading group of engineers on a technical activity and completion of activity on time and budget. Design, develop, analyze, document and support testing of products, systems or subsystems. May use computer-aided engineering or other design/analysis software in the performance of assignments. The Senior Mechanical Engineer will lead the mechanical design, development, and execution of subsea systems, with a primary focus on Remotely Operated Vehicles (ROVs). This role requires technical expertise in underwater vehicle systems design, and the ability to guide projects from concept through deployment, including design, analysis, production, and testing. The position is primarily office-based with periodic travel support during testing and operations. Responsibilities:
Responsible for leading group of engineers on a technical activity and completion of activity on time and budget
Design, develop, analyze, document and support testing of products, systems or subsystems
May use computer-aided engineering or other design/analysis software in the performance of assignments. Review customer specifications and requirements, and under direction, develop designs to best support them, including cost as a key design variable
Provide budget, cost and schedule input for design assignments
Specify and evaluate supplier components, subsystems and services
Drive the program design to cost and design for manufacture requirements
Develop prototypes to retire key development risks
Communicate clearly (written and oral) with other company personnel and the customer as required
Participate in preparation of proposals
Provide technical knowledge and assistance to other engineers and support personnel
Lead and direct the work of others as assigned Lead the mechanical design and development of subsea ROV components and systems for the U.S. Navy
Perform and oversee engineering analyses including structural, fatigue, and thermal evaluations
Develop detailed 3D CAD models, engineering drawings, and technical specifications
Select materials and coatings suitable for subsea environments, including high-pressure and corrosive conditions
Ensure designs meet applicable industry standards and best practices (ABS experience preferred)
Collaborate with multidisciplinary teams (electrical/electro-mechanical, systems/controls, manufacturing) to ensure system integration
Define manufacturing approaches, assembly processes, and quality control requirements
Oversee prototype fabrication, system integration, and build activities
Plan, execute, and lead testing programs including factory acceptance testing (FAT) and subsea trials
Analyze performance data and drive design improvements and issue resolution
Support offshore operations, testing, and troubleshooting as needed
General guidance given on new assignments as needed
Support, communicate, reinforce and defend the mission, values and culture of the organization
Attend appropriate engineering, customer or business meetings
Lead less-experienced engineers Qualifications:
The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. Bachelor's degree in an applicable engineering field with 5+ years applicable engineering experience (or equivalent combination of education/training and experience
Fluency in technologies and application domain
Ability to lead a technical group independently
8+ years of relevant experience in subsea, marine, or similar industries
Experience with underwater vehicles or subsea systems design and development
Proficiency in CAD/modeling software
Strong background in engineering analysis tools, FEA required
Proficiency in SolidWorks required
Solid understanding of manufacturing processes, GD&T, and design for manufacturability Additional Preferred Skills:
Master's degree in Mechanical Engineering or related discipline
Strong leadership and technical decision-making capability
Excellent analytical and problem-solving skills
Effective communication and cross-functional collaboration
Detail-oriented with a strong commitment to quality, reliability, and safety
Ability to manage multiple projects and priorities
Willingness to engage in hands-on testing and support frequent travel/field-testing, as required
Knowledge of subsea materials, sealing systems, pressure housings, and corrosion mitigation desired
Strong background in engineering analysis tool CFD a plus
Proficiency ANSYS Simulation Software preferred
Experience fielding systems for the U.S. Navy is highly desirable
Familiarity with ABS standards and classification requirements is highly desirable Physical Requirements:
Lifting (up to 20 lbs.): up to 0-25% of time
Walking:
up to 0-25% of time
Climbing, Bending, Standing, Stooping:
up to 0-10% of time
Sitting:
up to 0-75% of time
Travel:
up to 25% of time The annualized pay range for this role is$110,000.00 - 150,000.00 USD along with a discretionary target incentive compensation plan.
The pay range provided is a good faith estimate representative of the experience level for the role described above. AAC considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. For specific questions about this job posting, candidates may contact talent acquisition at hr@aaccorp.com. Advanced Acoustic Concepts, LLC is committed to non-discrimination as applicable under federal and state laws.
AAC is an E-Verify employer. If you need accommodation or assistance in order to apply for a position with Advanced Acoustic Concepts, LLC, please call Human Resources at 631-273-5700. #LI-DL1 #LI-onsite Privacy Notice for Job Applicants We collect personal information in this application to evaluate your qualifications for employment and to comply with applicable legal requirements. Your information will be kept confidential and used only for employment-related purposes. Where required by law, you have the right to access, correct, or request deletion of your personal information. If you have questions about how your information is handled, please contact hr@aaccorp.com. Our Mission Innovation Enabled, Mission Focused. Core Values The Company values the talent, experience and diversity of its employees and seeks to foster a culture that is open, honest, fair, and equitable. We strive to accomplish this through adherence to our core values of Integrity, Quality, Customer Focus, Innovation, and Diversity & Inclusion. INTEGRITY
As a people of integrity, we firmly adhere to codes of conduct and ethical principles, and strive to do what is right. We value a culture of trust, honesty, and respect. We demand ethical thinking and conduct, whereby ethics and accountability always come first. Quality:
We set high standards of performance for ourselves and others to consistently deliver excellent products and services. We adhere to quality levels demanded by our customers and assume responsibility and accountability to achieve excellence. CUSTOMER FOCUS
We work to create ongoing and mutually beneficial long-term relationships with customers based on trust. We go above and beyond to meet customer needs and strive to exceed their expectations. INNOVATION
We believe in investing in innovation that makes a positive impact through our technology and products. We continue to foster an environment that rewards innovation and effective change. RESPECTFUL WORKPLACE
We continually foster an environment that values different points of view and enables all employees to contribute to their full potential. We cooperate together as a respectful workforce serving our population. Nearest Major Market:
Long Island Nearest Secondary Market:
York CIty Apply now