Sr. Mechanical Engineer
$125k - $140kALTEN Technology USA
Job Description
Job Description
We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.
As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.
When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.
The Sr. Mechanical Engineer applies engineering techniques to design, fabricate, analyze, and test composite structures and mechanically functioning equipment for high-altitude aerospace applications. Leads and supports the mechanical design, testing, and production of composite airframe structures, housings, and enclosures for unmanned aerospace systems. Manages mid-size development projects outsourced to sub-contractors (development of a system, equipment or components).
Position Responsibilities
- Leads or supports structural, dynamic, and thermal analysis for composite structures and electronics enclosures
- Leads the design and development of composite components from concept through production, including layup schedules, tooling design, and manufacturing process definition
- Develops composite structural designs using fiber-reinforced polymers (CFRP, GFRP) and hybrid material systems
- Performs stress and fatigue analysis specific to composite materials and bonded joints
- Develops mechanical drawings and specifies dimensional tolerances with an emphasis on composite fabrication and assembly
- Develops assembly instructions, layup procedures, cure cycle documentation, and test procedures
- Develops test plans and test procedures to verify structural designs against environmental and load requirements
- Works on complex issues where analysis of situations or data requires in-depth knowledge of composite behavior and failure mechanisms
- Executes team assignments effectively following the given schedule, milestone, and available resources. May coordinate activities of other engineering and manufacturing personnel (Team Lead)
- Other duties as assigned
Basic Qualifications (Required Skills & Experience)
- Minimum 8 – 12 years of relevant technical experience in Mechanical Engineering, of which a minimum of 5 years focused on composite structure design and production for aerospace applications
- Experienced in developing requirements specifications for structural subsystems in accordance with MIL-STD-961D or equivalent
- Has sufficient proficiency with the following CAD/CAE tools to perform one's position responsibilities:
- SolidWorks for mechanical and tooling modeling
- ANSYS for structural and fatigue analysis of composite assemblies
- Extensive experience with composite manufacturing methodologies including wet layup, prepreg, autoclave, and out-of-autoclave processes
- Experienced with composite bonding and joining techniques including co-cure, co-bond, and secondary bonding using aerospace-grade adhesives
- Experienced with composite tooling design including matched-die, mandrel, and caul plate tooling
- Experienced with creating and maintaining product document trees and bills of materials (BOM)
- Experienced with test and measurement techniques for structural verification including DIC, strain gauging, and load frame testing
Other Qualifications & Desired Competencies
- MS degree in Mechanical Engineering or Aerospace Engineering is preferred
- Familiarity with MIL-STD-810 or DO-160 environmental qualification testing
- Familiarity with composite-specific standards and process specifications (e.g., ASTM D3039, D3410, Nadcap composite processing)
- Experience with repair and inspection methods for composite structures (NDI, ultrasonic, visual)
- Demonstrates full understanding of composite mechanics, classical laminate theory, and failure criteria (Tsai-Wu, Max Strain)
- Demonstrates full understanding & knowledge of engineering principles in the technical discipline and successfully works independently
- Effectively articulates concepts and ideas to both technical and non-technical staff
- Able to excel in a fast-paced, deadline-driven environment, where small teams share a broad variety of duties
- Displays strong initiative and drive to accomplish goals and meet company objectives
- Takes ownership and responsibility for current and past work products
- Is committed to learning from mistakes and driven to improve and enhance performance of oneself, others, and the company
- Has effective problem-solving, analytical, interpersonal and communication skills (verbal and written)
- Focuses on teamwork, collaboration and puts the success of the team above one's own interest
Salary Range: $125,000-140,000
The actual salary offered is dependent on various factors including, but not limited to, location, the candidate's combination of job-related knowledge, qualifications, skills, education, training, and experience.
Note: Due to the nature of the work, only US Persons (citizens or permanent residents) need apply for this position.
All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.
Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.
Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.
$40 - $44 per hour
...A consulting firm in biotechnology is seeking an Engineer to oversee equipment reliability and support capital projects in Thousand Oaks, CA. The ideal candidate should have extensive experience in engineering and manufacturing, particularly within regulated environments...SeniorContract work- ...HRL Laboratories is seeking a Mechanical Engineer in Camarillo, California. The role demands ownership of design, simulation, and experimental analysis of electro-mechanical hardware, leading cross-functional teams. The ideal candidate should have a Bachelor's/Master's...Senior
$120k - $140k
...Job Description Job Description ATC Automation is seeking a hands-on and innovative Senior Mechanical Design Engineer to lead the mechanical development of custom automation machinery and tooling systems at our Simi Valley, CA location. Remote opportunities may be...SeniorRemote workFlexible hours- ...A consulting firm is seeking a Senior Packaging Engineer for biopharmaceutical projects in Thousand Oaks, CA. The ideal candidate will lead the development of packaging solutions for combination medical devices, ensuring adherence to regulatory standards. A Master's degree...SeniorHourly payContract work
- ...California. This senior-level position demands management of mechanical and electrical design teams and the assembly of equipment. You... ...Office and SolidWorks, and possess a degree in mechanical engineering. This role includes managing project timelines and mentoring...SeniorWork at office
$120k - $140k
...A leading automation solutions provider in California is seeking a Senior Mechanical Design Engineer to lead mechanical development for custom automation machinery. This role involves integrating robotics and automation components and mentoring junior engineers. With...SeniorRemote work$45 - $50 per hour
...A leading consulting firm seeks a Senior Engineer for projects related to biotech facilities. The candidate will be responsible for project scope, compliance with cGMP procedures, and leading engineering improvements and upgrades. Ideal applicants should have over 8 years...SeniorContract work- Job Title: Senior C&Q Validation Engineer - GMP Analytical & Process Equipment- (JP15147) Location: Thousand Oaks, CA. 91320 (Hybrid) Employment Type: Contract Business Unit: Engineering Systems Duration: 1+ year (with likely extensions and/or conversion to permanent...SeniorPermanent employmentContract workLocal areaRelocation
$45 - $50 per hour
Job Title: Senior Engineer, Pharma Equipment/Facilities Management (JP12841) Location: Thousand Oaks, CA. 91320 Business Unit: F&E Drug Substance Supply Employment Type: Contract Duration: 6+ months with possible extension or conversion to FTE Rate : $45 - $50 / hr. Posting...SeniorContract workFor contractorsWork experience placementLocal areaRelocation- 3key Consulting, Inc. is hiring a Senior Equipment Reliability Engineer in Thousand Oaks, CA, for a consulting engagement with a leading biopharmaceutical company. This position will focus on supporting the manufacturing of bioprocess systems, ensuring reliability and...Senior
- A leading global biotechnology company seeks a Senior Reliability Engineer to support cGMP equipment operations in Thousand Oaks. The role requires a Bachelor's degree and five years of relevant experience in a regulated environment. As part of the Facilities and Equipment...Senior
- ...Sr. Manufacturing Engineer The Sr. Manufacturing Engineer is responsible for developing, standardizing, and maintaining the company... ...(aerospace preferred). ~ Bachelor of Science degree in Mechanical, Manufacturing or Industrial Engineering required ~ Strong...SeniorPermanent employmentLocal area
- ...Senior Mechanical Engineer A rapidly growing technology company is seeking a Senior Mechanical Engineer focused on advanced development and early-stage product exploration. This role works upstream of formal product development and focuses on evaluating emerging technologies...Senior
- Senior Packaging Engineer, Biopharma, Combination Medical Device (JP14804) Location: Thousand Oaks, CA 91320 Employment Type: Contract Business Unit: Manufacturing Science & Technology Function: Process Development / Engineering / Operations Duration: 12 months with...SeniorPermanent employmentContract work
- Job Title: Senior Reliability Engineer Senior, Pharma Equipment/Facilities (JP13468) Location: Thousand Oaks, Ca. 100% onsite. Business... ...company. Ideal Candidate: Bachelor Engineering process mechanical degree and 5 years of process equipment experience Job Description...SeniorContract work
- Job Title: Engineer Senior, Biotech Facilities & Processing Equipment Project Engineering - (JP14802) Location: Thousand Oaks, CA. 91320 Employment Type: Contract Business Unit: Facilities & Engineering Drug Product Supply Duration: 1+ year(s) (with likely extensions...SeniorPermanent employmentContract workWork experience placement
$90k - $120k
...VTI Life Sciences (VTI)is seeking forward-thinking and ambitious engineers looking to accelerate their careers in the pharmaceutical,... ...to support a VTI client project in Thousand Oaks, CA. We need a Sr. CQV Engineer with experience developing, executing, and reporting...SeniorHourly payPermanent employmentFull timeMonday to Friday- Job Title Senior Equipment Reliability Engineer - Pilot Plant Bioprocess Systems (Bioreactors / Chromatography / TFF / CMMS / Troubleshooting... ...company. Job Description This role serves as an Equipment Sr. Engineer supporting manufacturing in the Thousand Oaks Pilot Plant...SeniorPermanent employmentContract workWork experience placementLocal areaRelocationShift workWeekend work
- Freelance Mechanical Engineer / CAD Designer Thousand Oaks, United States | Posted on 02/11/2026 AboutRKS RKS is a 40-year industrial design and product development firm bringing complex products to market across consumer, medical, appliance, and industrial sectors. We...Contract workFreelanceWork at officeImmediate start
- A design and engineering firm in Thousand Oaks is seeking a Freelance Mechanical Engineer / CAD Designer. This hands-on role requires strong SolidWorks skills to reconcile and update a beta prototype's CAD database. Candidates should have 4-7 years of product development...FreelanceWork at officeImmediate start
$75.7k - $91.2k
...A leading filtration products manufacturer is seeking an Engineer to optimize manufacturing processes and drive operational excellence at the Camarillo, CA headquarters. The ideal candidate has a Bachelor's Degree in Engineering and at least 2 years of relevant experience...- ...Preferred 1–2 years experience. Ability to read and interpret engineering drawings. Knowledge of Bill of Materials structure and... ...documents and reports. Qualifications Bachelor of Science in Mechanical or Manufacturing Engineering. Additional Skills Bill of Materials...Senior
- ...the boundaries of electronics performance and innovation in a growing dynamic company. Job Summary / Objectives The Mechanical Engineer supports the design of custom RF microwave components and subsystems by advancing departmental knowledge of and use of global...Work experience placement
- A leading technology solutions provider in California is seeking a skilled engineer with at least 2 years of hands-on experience in automation projects. The role involves supporting senior staff in project initiation, design, and delivery, while translating user requirements...
- A consulting firm in the biopharmaceutical sector seeks an Engineer for a Mechanical Design & Test Method Development role in Thousand Oaks, CA. Ideal candidates have a degree in Engineering and 1-3 years of experience. Responsibilities include supporting engineers, performing...Local areaRelocation
- A leading biotechnology company seeks an Engineer specializing in Bioprocessing Systems/Equipment. The role involves system ownership, engineering solutions for biopharmaceutical processes, and requires a strong engineering background. This position is contract-based with...Permanent employmentContract work
$86.7k - $104.1k
...processes are carried out efficiently and effectively. The Process Engineer will work closely with the Operations Manager and other... ...accredited university in a relevant Engineering discipline such as Mechanical, Chemical or Manufacturing Engineering. A minimum of 2 years...Permanent employmentWork experience placement$90.4k - $120k
...Join us as an Advanced Process Engineer and be part of shaping how the organization operates. This role offers the opportunity to influence... ...’s Degree in an appropriate Engineering discipline such as Mechanical, Chemical, or Manufacturing Engineering. A minimum of 4 years...Permanent employmentWork experience placementWorldwide- Job Details Job Title: Validation Engineer - Cold Storage & Analytical Equipment - (JP14626) Location: Thousand Oaks, CA. 91320 Employment Type: Contract Business Unit: Final Product Technologies Development Duration: 12+ months (with likely extensions and/or conversion...Permanent employmentContract workLocal area
- ...seeking forward-thinking and ambitious industrial automation engineers looking to accelerate their careers in the pharmaceutical, biotechnology... ...: • Bachelor’s degree in engineering (Mechatronics, Mechanical, Electrical, or Computer Science preferred) with 7 years’...SeniorHourly payPermanent employmentFull timeFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Mechanical Engineer. Be the first to apply!


