Engineering Jobs in Tustin, CA

Job Title: R&D Test Engineer

Location: Irvine, CA

Employment Type: Full-Time

Position Overview

We are seeking R&D Test Engineers to support the development and verification of innovative drug delivery and medical device products. The selected candidates will contribute to verification and validation activities, test method development, and product testing to ensure compliance with regulatory and internal quality standards.

This role involves working closely with cross-functional teams including R&D, Quality, Manufacturing, and Regulatory Affairs to support product development, verification strategies, and root cause investigations.

Key Responsibilities

• Assist in the development and testing of innovative drug delivery products.
• Define and execute verification strategies, including development of verification plans, protocols, records, and reports.
• Develop scientifically justified sample size strategies in compliance with internal and regulatory requirements.
• Design and execute engineering and verification test procedures.
• Prepare test protocols and documentation, maintain accurate laboratory notebooks, and present results to cross-functional teams.
• Analyze test data and provide technical insights and recommendations.
• Lead or support root cause investigations and implement issue resolutions.
• Define, develop, and validate test methods for product verification.
• Recommend design, process, or project improvements to enhance product performance and development efficiency.
• Ensure compliance with company policies, regulatory standards, and safety procedures.
• Review and evaluate design changes for technical and regulatory compliance.
• Conduct tests to determine physical and mechanical characteristics of materials for quality control, process control, and product development.
• Perform technical tasks according to quality and functional standards.

Required Qualifications

R&D Test Engineer

• Experience in R&D testing, product development, or verification within engineering environments.
• Strong experience in verification planning, protocol development, and testing execution.
• Demonstrated ability to lead root cause investigations and technical problem-solving.
• Experience working in regulated industries (medical devices preferred).
• Strong technical documentation and cross-functional communication skills.
• experience in engineering testing, product development, or laboratory environments.
• Basic knowledge of engineering test methods and verification processes.
• Ability to perform testing, data analysis, and documentation under supervision.
• Strong analytical and problem-solving skills.

Preferred Skills & Tools

Experience with the following tools and technologies is preferred:

Testing & Lab Equipment

• Zwick or Instron testing systems
• Flow measurement equipment
• Viscometers
• Climate chambers
• 3D printing technologies

Engineering & Data Tools

• SolidWorks
• Minitab
• Electronic Lab Notebook (ELN)

Project & Requirements Management

• Microsoft Project
• Laboratory Information Management Systems (LIMS) such as LinkUS
• Requirements and Risk Management tools such as DOORS or Cockpit

Battery Pack CAE Model Build Engineer (Safety, Durability & NVH)

Irvine, CA

Onsite

C2C

Must Have Skills: Battery Pack CAE Model Design& develop, ANSA, Meshing,

Preferred: LS-Dyna, Optistruct, Nastran, Abaqus

Role Objective:

Deploy one (1) engineer to provide full vehicle CAE model build and ongoing support for battery pack CAE models across Structural Safety, Durability, and NVH domains. The engineer will build, update, debug, and deliver analysis-ready battery pack models integrated to the vehicle BIW, in accordance with Purchaser-provided standards for numbering, mesh criteria, and joining methodology.

Key Responsibilities / Scope of Services

Develop and maintain battery pack CAE models for each major build release including:

Durability models in Abaqus or OptiStruct template (per Purchaser requirement).

LS-DYNA durability sub-models for the battery system (e.g., Ground Strike, Top Strike).

NVH structural battery models in OptiStruct, including full pack content and BIW integration.

Structural Safety LS-DYNA crash models (homogenized sub-assemblies and/or higher fidelity per program phase).

Build full battery model content as required (structure, plastics, HV network, adhesives, potting) and connect to BIW using subsystem include files and master connection files (including BIW-to-subsystem connection files).

Ensure subsystems are massed per BOM; represent non-modeled content using NSM cards / mass elements and manage trimmed mass and CoG targets as required.

Implement joining representations per Purchaser standards (weld/bond/bolt); represent major bolted joints with solid bolt models and preload where required.

Deliver 0 ms LS-DYNA model debugged to pass error-free model checks; include required instrumentation (force X-sections on major load paths, accelerometers at specified locations).

Support high-fidelity explicit pack models as requested (e.g., cells, cooling plates/features, busbars, vents) and provide de-contented variants when required.

Delivery & Reporting Requirements

Deliver models in compliance with the Purchaser Model Checklist and provide a Seller delivery checklist confirming model run-readiness and documenting any deviations.

Report with each full vehicle CAE model delivery: global energy, mass scaling, and total model mass (as applicable to the domain).

Maintain consistent mesh quality and alignment across domains where required.

Minimum Qualifications (Deployed Engineer)

Demonstrated experience building vehicle CAE models, with battery pack focus preferred.

Proficiency in LS-DYNA, OptiStruct, and Abaqus (as applicable) including model assembly, BIW integration, connections/includes, and debugging.

Strong capability in mesh quality, BOM massing/NSM, joints modeling (weld/bond/bolt), and checklist-driven delivery discipline.

Mechanical Engineer – Aerospace Thermal Management Systems (Integration & Packaging)

Location: Onsite – Irvine CA

Industry: Aerospace & Defense

Citizenship Requirement: U.S. Citizen

Role Overview

We are seeking two highly skilled Mechanical Engineers with experience in the Aerospace & Defense sector to support the development and integration of advanced thermal management subsystems used across military and commercial platforms globally.

This role focuses on mechanical subsystem development from a packaging and integration perspective, including enclosure design and integration of electronic and fluid control components such as pumps, compressors, fans, and valves. The ideal candidate has hands-on experience developing aerospace-grade subsystems within defined volume and interface constraints, ensuring high reliability, environmental robustness, and compliance with industry standards.

These roles will support programs progressing from Preliminary Design Review (PDR) toward Critical Design Review (CDR) and will involve reuse and adaptation of existing product architectures.

Key Responsibilities

• Design and develop mechanical enclosures for aerospace electronic and control subsystems such as thermal management systems and related subsystems
• Package and integrate COTS and custom components into customer-defined volume constraints by integrating components including pumps, compressors, fans, valves, and control electronics
• Develop detailed CAD models, assemblies, and manufacturing drawings (SolidWorks preferred)
• Conduct tolerance analysis, GD&T, stack-up analysis, and design for manufacturability (DFM)
• Support prototype builds, integration activities, testing, and validation
• Implement design considerations to satisfy and qualify the environmental requirements (shock, vibration, temperature, humidity, EMI/EMC interface considerations) per MIL standards.
• Collaborate with electrical, controls, thermal, structural, and systems engineering teams
• Participate in root cause analysis and design refinement
• Ensure compliance with aerospace and defense standards and documentation practices

Required Qualifications

• Bachelor's degree in mechanical engineering or equivalent.
• 5+ years of experience in Aerospace & Defense mechanical subsystem development
• U.S. Citizen (No Dual Citizenship)
• Strong mechanical packaging and integration experience
• Experience designing enclosures housing electronics and fluid/mechanical components
• Exposure to thermal management systems (ECS, vapor cycle, or liquid cooling preferred but not mandatory)
• Working knowledge of rotating machinery components (fans, compressors, pumps)
• Proficiency in CAD tools (SolidWorks preferred; strong experience in other platforms acceptable)
• Experience with GD&T and tolerance analysis
• Familiarity with aerospace environmental standards (MIL-STD preferred)
• Experience supporting qualification and validation testing
• Strong understanding of materials selection for aerospace applications
• Ability to work in cross-functional engineering teams

Preferred Qualifications

• Experience packaging turbomachinery components within constrained aerospace envelopes
• Exposure to controls systems integration
• Knowledge of vibration isolation and shock mitigation techniques
• Experience supporting PDR/CDR processes
• Familiarity with configuration management and aerospace documentation rigor
• Exposure to FMEA, reliability analysis, and lifecycle support

*Note that this job is on-site only in Irvine, CA*

Job Summary:

Willow is a health and wellness innovator harnessing the power of artificial intelligence and clinical evidence to drive meaningful change in healthcare. We are using cutting-edge technology, data, and a highly engaging user experience to revolutionize chronic disease management and prevention. We are looking for an experienced Senior Software Engineer to join our growing team. We are looking for strong talent to help us create novel life-changing digital health solutions for our users. We hire creative people and give them autonomy to do great work. Our senior software engineers are comfortable dealing with high-level specifications, working independently and in small teams, and are involved in the product process from start to finish. We need engineers who are excited to try new approaches and collectively learn the right approach to delivering the best health care experiences.

Duties & Responsibilities:

· Work with product managers, designers, and a talented group of engineers to craft unique and beautiful user experiences that will make our mobile solutions best in class.

· Play a critical role in the software architecture, design, and development of our mobile apps.

· Write clean and well-tested code that allows us to keep our applications stable and easily modifiable. Contribute to a knowledge-sharing and an open and collaborative work environment.

Qualifications and Experience

· BS or higher in Computer Science, other related degree, or equivalent work experience.

· 8+ years of experience developing software, with at least 5 years working with Java/Kotlin in mobile application development

· Knowledge of mobile design principles, patterns, and best practices

· Knowledge of push notifications, web technologies and services (HTTP, REST, websocket, etc.)

· Design and development experience with Object Oriented Programming, SOLID principles, MVC, MVVM, Dependency Injection, persisting data

· Understanding of source code management tools, such as Git

· Experience with Kotlin Multiplatform, MongoDB/Realm, Bluetooth framework, IoT and Linux is a plus

· Experience with engineering medical software is a plus

· Team player

Physical requirements/Work Environment

This position primarily works in an office environment. It requires frequent sitting, standing and walking. Daily use of a computer and other computing and digital devices is required. May stand for extended periods when facilitating meetings or walking in the facilities. Some local travel is necessary; therefore, the ability to operate a motor vehicle and maintain a valid Driver's license is required.

The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodations may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.

Job Description:

The ideal candidate will have strong experience in multi-layer PCB design for defense electronics systems and proficiency in industry-standard PCB design tools.

Key Responsibilities:

Design and develop multi-layer PCB layouts for defense electronic systems.

Utilize OrCAD/Allegro tools for schematic capture and PCB layout.

Perform high-speed and high-density PCB layout design while ensuring signal integrity and manufacturability.

Ensure PCB designs comply with IPC Class 3 standards and industry best practices.

Collaborate with cross-functional teams including hardware, manufacturing, and testing teams.

Required Skills:

6–10 years of experience in PCB design and layout engineering.

Strong proficiency in OrCAD and Allegro PCB design tools.

Experience with high-speed and high-density PCB layout design.

Knowledge of IPC Class 3 design standards.

IPC CID or CID+ certification is preferred.

About Company:

Who Are We?

ELIQUENT Life Sciences is a leading global consulting group delivering regulatory affairs, pharmacovigilance, quality, and compliance solutions that support pharmaceutical, biotechnology, medical device, and combination product companies across therapeutic modalities, phase-based pathways, and major global markets.

Why explore your future at ELIQUENT?

ELIQUENT Life Sciences is a trusted global consulting firm helping life sciences companies navigate regulatory complexity and bring breakthrough therapies to market. Founded by former regulators and industry experts, we offer end-to-end support in regulatory affairs, pharmacovigilance, and quality compliance. Our team is driven by a shared mission to improve global health through innovation, collaboration, and integrity. At ELIQUENT, you will be part of a purpose-led organization where your expertise contributes to meaningful impact and your growth is supported every step of the way.

About the Role:

The Process Validation Engineer plays a critical role in ensuring that manufacturing processes consistently produce products that meet predetermined quality standards and regulatory requirements. This position involves designing, executing, and documenting validation protocols to confirm that processes operate within defined parameters and yield reliable, reproducible results. The engineer collaborates closely with cross-functional teams including manufacturing, quality assurance, and regulatory affairs to identify process risks and implement corrective actions. By analyzing process data and trends, the engineer supports continuous improvement initiatives that enhance process efficiency and product quality. Ultimately, this role ensures compliance with industry standards and contributes to the successful commercialization of products within the United States market.

Minimum Qualifications:

• Bachelor's degree in Engineering, Science, or a related technical field.
• 3+ years of experience in process validation within a regulated manufacturing environment.
• Strong knowledge of validation principles, methodologies, and regulatory requirements (e.g., FDA, cGMP, ISO).
• Experience with statistical analysis and process capability studies.
• Excellent written and verbal communication skills.

Preferred Qualifications:

• Master's degree in Engineering, Quality Assurance, or related discipline.
• Experience in the pharmaceutical, biotechnology, or medical device industries.
• Familiarity with automation systems and computerized system validation (CSV).
• Certification in Quality or Validation (e.g., ASQ Certified Quality Engineer).
• Proficiency with data analysis software such as Minitab or JMP.

Responsibilities:

• Develop, review, and execute process validation protocols including Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ).
• Collaborate with manufacturing and quality teams to identify critical process parameters and quality attributes.
• Analyze process data to assess process capability and identify areas for improvement.
• Prepare detailed validation reports and maintain comprehensive documentation in compliance with regulatory standards such as FDA and ISO.
• Support investigations related to process deviations, non-conformances, and implement corrective and preventive actions (CAPA).
• Participate in risk assessments and process design reviews to ensure robust and compliant manufacturing processes.
• Train and mentor manufacturing personnel on process validation requirements and best practices.

Skills:

The Process Validation Engineer utilizes analytical skills daily to interpret complex process data and ensure manufacturing consistency. Strong communication skills are essential for collaborating with cross-functional teams and documenting validation activities clearly and accurately. Technical expertise in validation protocols and regulatory standards guides the development and execution of robust validation plans. Problem-solving skills are applied to investigate deviations and implement effective corrective actions. Additionally, proficiency with statistical tools and software supports data-driven decision-making and continuous process improvement.

Duration: Full Time

Job Description:

• We are looking for a hands-on Seismic expert to own and evolve our content automation and platform operations ecosystem.
• This role combines platform governance, reporting, and user administration with opportunities to drive automation, workflow optimization, and scalable content architecture improvements.

Responsibilities:

• Own day-to-day Seismic platform operations (access, roles, permissions, profiles).
• Maintain dashboards, reporting architecture, and adoption metrics.
• Document configurations, dependencies, and content workflows.
• Identify and implement opportunities for automation using LiveDocs, LiveForms, DocGen, APIs, or webhooks.
• Improve metadata, content models, tagging, and lifecycle governance.
• Monitor platform health, releases, and regression testing.
• Partner with Sales, Marketing, Sales Ops, and IT to streamline workflows.
• Support continuous improvement of content automation strategy.

Experience:

• Strong hands-on experience with Seismic (admin, configuration, content profiles, reporting).
• Experience with LiveDocs / LiveForms / DocGen Express preferred.
• Ability to balance operational excellence with process improvement.
• Comfortable working cross-functionally in a fast-paced environment.
• Experience with automation, integrations, or scalable governance models is a plus.
• Strong documentation and analytical skills.

Skills:

• Seismic
• LiveDocs / LiveForms / DocGen
• Automation
• Documentation

Education:

• Bachelor's degree.

About US Tech Solutions:

US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions. To know more about US Tech Solutions, please visit Tech Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Recruiter Details:

Name: Karan

Email:

Internal Id: 26-04336

JOB OPENING - PLUMBING ENGINEER & PROJECT MANAGER

We are a full-service MEP engineering and consulting company. We are servicing the building industry in mechanical, electrical, and plumbing engineering services for different building types such as single-family custom homes, multifamily, mid-rise, high-rise, commercial, office spaces, retail, restaurants, mixed-use, and industrial. We have an opening for Plumbing Engineer &/or Project Manager who can handle the following responsibilities.

• Design of residential and commercial plumbing systems including calculations, piping layout, riser diagrams, equipment schedules, and details

• Coordination of the plumbing plans per developer, builder, architect, civil engineer, and other disciplines plans and requirements.

• Attending design and coordination meetings daily.

• Managing the project from schematic design (SD) phase all the way through the final stages of construction administration (CA).

• Designing the plans using AutoCAD & REVIT

REQUIREMENTS

• Bachelor of Science in Mechanical Engineering or equivalent experience

• Plumbing Design and Project Management experience, 2-6 years (preferred)

• Experience in AutoCAD & REVIT

• Microsoft Office

• Team player and detail oriented

COMPENSATION

• Salary Range: $65K-$75K

• Bonuses

BENEFITS

• Health insurance

• 401K

• Paid time off

• Paid vacations

• Paid sick time

SCHEDULE

• Monday-Friday 8:00 am - 5:00 pm

Partial remote work can be offered, depending on capabilities and upper management approval.

JOB TYPE

• Full Time

Interested applicant should forward resume to:

Mechanical Engineer – Aerospace Turbomachinery Systems

Location: Onsite – Irvine CA

Industry: Aerospace & Defense

Citizenship Requirement: U.S. Citizen (No Dual Citizenship)

Role Overview

We are seeking a Mechanical Engineer with strong turbomachinery design experience to support the development of advanced aerospace thermal management subsystems used across military and commercial platforms globally.

This role focuses on the design and development of rotating machinery, including compressors, pumps, and fans integrated within aerospace thermal systems. The ideal candidate has hands-on experience designing turbomachinery components from concept through validation, with strong grounding in aerodynamics, CFD, structural integrity, and high-speed rotating equipment design.

These programs are entering early development phases prior to Preliminary Design Review (PDR), requiring strong technical leadership in turbomachinery architecture, performance prediction, and mechanical robustness.

Key Responsibilities

• Design and develop mechanical enclosures and subsystems incorporating turbomachinery components
• Lead the mechanical design and development of turbomachinery components including compressors, pumps, and fans
• Perform aerodynamic design and optimization of rotating components
• Conduct or support CFD analysis for flow performance and efficiency validation
• Perform structural analysis of rotating components, including stress, fatigue, and rotor dynamics considerations
• Support bearing selection, shaft design, housing integration, and sealing strategies
• Define performance requirements and conduct trade studies during early-phase system architecture
• Support prototype builds, performance testing, and validation activities
• Ensure designs meet aerospace environmental requirements (shock, vibration, temperature, altitude)
• Collaborate with thermal, systems, controls, and packaging teams for subsystem integration
• Develop detailed CAD models and manufacturing drawings (SolidWorks preferred)
• Participate in root cause analysis, performance troubleshooting, and design improvements
• Ensure compliance with aerospace and defense standards and documentation practices

Required Qualifications

• U.S. Citizen (No Dual Citizenship)
• Bachelor's degree in mechanical engineering or equivalent.
• 7+ years of experience in Aerospace & Defense mechanical subsystem development
• Direct turbomachinery design experience (compressors, pumps, fans, or similar rotating machinery)
• Experience with aerodynamic design principles and performance prediction
• Working knowledge of CFD tools and analysis interpretation
• Experience with structural analysis of rotating components (stress, fatigue, rotor dynamics fundamentals)
• Proficiency in CAD tools (SolidWorks preferred; strong experience in other platforms acceptable)
• Experience supporting early development phases and design reviews
• Familiarity with aerospace environmental standards (MIL-STD preferred)

Preferred Qualifications

• Experience designing turbomachinery for thermal management or Environmental Control Systems
• Familiarity with high-speed electric motor integration
• Experience with balancing, vibration mitigation, and rotating system qualification
• Exposure to FEA tools for structural validation
• Experience progressing programs through PDR/CDR