More jobs:
Mechanical Engineer
Job in
San Diego, San Diego County, California, 92108, USA
Listed on 2026-07-19
Listing for:
Actalent
Full Time
position Listed on 2026-07-19
Job specializations:
-
Engineering
Mechanical Engineer, Systems Engineer
Job Description & How to Apply Below
Mechanical Engineer IIJob Description
This Mechanical Engineer II role supports the design, analysis, integration, and testing of advanced mechanical and electromechanical systems for defense, space, directed energy, and advanced nuclear applications. You will work in a fast-paced, hands-on environment and own hardware through the full lifecycle from concept and detailed design to prototyping, qualification, production, and field deployment. The position focuses on complex systems such as naval and shipboard equipment, satellite and space structures, high-power thermal management solutions, and reactor structural components, offering broad exposure to cutting-edge technologies and mission-critical programs.
Responsibilities
+ Design mechanical components, assemblies, and subsystems using 3D CAD tools such as Solid Works, NX, or Creo.
+ Produce clear, accurate engineering drawings that comply with ASME Y14.5 geometric dimensioning and tolerancing (GD&T) and ASME Y14.100 drawing standards.
+ Perform tolerance stack-up analyses to ensure proper fit, form, and function across complex assemblies.
+ Select appropriate materials, finishes, fasteners, and thermal interface materials based on environmental and performance requirements.
+ Support design for manufacturability and assembly (DFM/DFA) to enable efficient production and integration.
+ Perform hand calculations and finite element analysis (FEA) for structural, thermal, vibration, and shock loading conditions using tools such as ANSYS or Femap/Nastran.
+ Conduct thermal analyses of liquid-cooled and conduction-cooled hardware, including high-power electronics and directed energy systems.
+ Support structural assessments and qualifications to relevant military and industry standards, including MIL-STD-810, MIL-S-901D, MIL-STD-167, GEVS/SMC-S-016, and ASME Boiler and Pressure Vessel Code, as applicable.
+ Document analysis results in formal engineering reports and present findings at design and technical reviews.
+ Support assembly, integration, and test (AIT) activities for prototype and production hardware in laboratory, production, and field environments.
+ Develop test plans, procedures, and custom fixtures to validate mechanical and thermal performance.
+ Troubleshoot hardware issues, perform root cause analysis, and implement corrective and preventive actions.
+ Support field, range, or customer-site installation and test activities as required, including occasional travel.
+ Participate in formal design reviews such as System Requirements Reviews (SRR), Preliminary Design Reviews (PDR), Critical Design Reviews (CDR), and Test Readiness Reviews (TRR).
+ Collaborate closely with electrical, systems, software, quality, supply chain, and manufacturing teams to ensure integrated, robust designs.
+ Support proposal efforts by contributing design concepts, trade studies, and basis-of-estimate inputs.
+ Generate and maintain engineering documentation including specifications, interface control documents (ICDs), engineering change orders (ECOs), and nonconformance reports (NCRs).
+ Ensure compliance with AS9100 quality standards, ANSI/ESD S20.20 ESD controls, and applicable safety requirements.
+ Contribute to a culture of continuous improvement, technical rigor, and collaborative problem-solving across multidisciplinary product lines.
Essential Skills
+ Bachelor's degree in Mechanical Engineering or a related engineering discipline and at least 2 years of progressive mechanical engineering experience (a Master's degree with less experience or equivalent experience in lieu of a degree will be considered).
+
Demonstrated proficiency with 3D CAD software such as Solid Works, NX, or Creo, including use of PDM/PLM tools.
+ Working knowledge of geometric dimensioning and tolerancing (GD&T) per ASME Y14.5 and drawing practices per ASME Y14.100.
+ Experience performing structural and/or thermal analysis, including hand calculations and finite element analysis (FEA).
+ Understanding of common manufacturing processes such as machining, sheet metal fabrication, welding, castings, and composites.
+ Strong written and verbal communication skills, including the ability to prepare clear documentation and present technical content.
+ U.S. citizenship with the ability to obtain and maintain a DoD security clearance.
+ Motivation to work hands-on with hardware and see designs through to production and field deployment.
+ Ability to collaborate effectively in a multidisciplinary engineering environment and support multiple product lines.
Additional
Skills & Qualifications
+ Active DoD Secret security clearance is highly desirable.
+
Experience with shipboard or military hardware design, including familiarity with MIL-S-901D shock and MIL-STD-167 vibration requirements.
+ Background in spacecraft structures, mechanisms, or optical payload integration.
+
Experience with liquid thermal management for high-power electronics or directed energy systems, including liquid cooling loops, cold plates, heat…
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