Bls Gov Mechanical Engineer Jobs in Usa

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

Location: Onsite – Irvine CA

Industry: Aerospace & Defense

Duration: 6 months and extendable

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

Job Title: Mechanical Engineer – Product Validation / DVP

Location: Sunnyvale, CA

Role Overview

We are seeking an experienced Mechanical Engineer to lead the Design Verification Plan (DVP) and validation activities for complex product systems. The role involves managing and executing mechanical, environmental, and electrical validation testing while working closely with internal teams and external test houses.

The ideal candidate will have strong hands-on prototyping and fixture design experience and the ability to independently drive validation programs in a fast-paced engineering environment.

Key Responsibilities

• Lead the Design Verification Plan (DVP) for product validation and testing.
• Plan and execute structural testing including vibration, shock, and impact tests.
• Conduct environmental testing such as temperature, humidity, ingress protection, and solar load validation.
• Coordinate testing activities with external test labs and test houses.
• Design and build test fixtures, jigs, and setups for validation and reliability testing.
• Perform hands-on prototype builds and mechanical test setups.
• Analyze test results and perform root cause analysis for product failures.
• Ensure validation coverage across the entire product system including electrical and mechanical components.
• Collaborate with cross-functional teams to support product development and validation timelines.
• Work independently to drive testing programs in a fast-paced engineering environment.

Required Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 5+ years of experience in product validation, testing, or reliability engineering.
• Strong experience developing and managing Design Verification Plans (DVP).
• Hands-on experience with structural testing (vibration, shock, impact).
• Experience with environmental testing (temperature, humidity, ingress, solar load).
• Experience designing test fixtures and jigs for validation testing.
• Ability to perform root cause analysis for product failures.
• Strong understanding of mechanical systems and product-level validation.

Preferred Skills

• Experience working with external test houses and certification labs.
• Background in hardware product development environments.
• Ability to work independently and manage multiple validation tasks.

Design and Mechanical Engineer – Medical Devices

Join a global leader medical device company. Design and manufacture technology used in spine and orthopedic surgeries

You will work on the design and development of surgical implants and instruments, collaborating with engineers, surgeons, and cross-functional teams to bring innovative products to market.

Full‐time | W2 | M-F 8am- 5pm | On site Audubon PA (outside of Philadelphia)

Qualifications

• 4+ years of mechanical and medical device design engineering experience.
• II and III medical device experience
• Experience with CREO or SolidWorks for mechanical design and documentation.
• Experience working within regulated environments (ISO 13485 / FDA).
• Ability to work in both engineering and clinical environments, including operating rooms and labs
• Bachelor's degree in Mechanical Engineering, Biomedical Engineering, Bioengineering, or related field.

Benefits:

Visa sponsorship supported within US

W2 contract

Audubon, PA (outside Philadelphia)

Bonus for relocation within US and annual bonuses

Work directly with surgeons

Full product development lifecycle exposure

Key Responsibilities

Product Development

• Lead the design and development of surgical instruments and implants using CAD software (CREO).
• Develop and maintain project plans and FDA-compliant Design History Files (DHF).
• Perform design verification and validation to ensure designs meet technical specifications.
• Manage assigned projects to ensure timely completion while maintaining compliance with regulatory requirements.
• Collaborate with internal prototype teams and external vendors for rapid prototyping and testing.
• Support preparation of regulatory submissions to the FDA.

Customer Engagement

• Work directly with surgeons and clinical users to gather product feedback and translate clinical needs into design requirements.
• Participate in product launches, sales training, and customer visits.
• Support surgical cases in the operating room to observe device performance and identify opportunities for improvement.

Cross-Functional Collaboration

• Partner with marketing and product management to develop market strategies and forecasts.
• Collaborate with operations and manufacturing to support production and commercialization.
• Conduct competitive and industry research to ensure innovative product development.

Product Lifecycle & Sustaining

• Support the lifecycle management of commercialized products.
• Drive design improvements, cost reduction initiatives, and engineering changes.
• Work closely with Quality, Regulatory, Manufacturing, and Supply Chain teams to ensure product performance and compliance.

The IN group is here to support you specifically with the recruitment and hiring process for job opportunities. Our role is focused on guiding you through these steps. If you have any questions related to your application or next steps in the hiring process,

Apply, and please feel free to reach out.

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• To oversee the design for Liquids Pump station facilities for expansion and maintenance capital projects executed by third party engineering firms to ensure compliance with Company standards and specifications and industry standards and managed to the project budget and schedule.
  
• Liaison with other company functional groups within Project Execution, Operations, and Shared Services to ensure project and company requirements are achieved and incorporated into the design deliverables.
  

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• Ensures that all pump station facilities are designed in accordance with all regulations, applicable industry codes, and corporate standards.
  
• Defines the scope, schedule, and budget for the design and materials for pump station facility projects.
  
• Manages the execution of the design deliverables by a third-party engineering firm against the project budget and schedule.
  
• Reviews and approves design deliverables, for example, drawings, technical reports, and material listing sheets.
  
• Participates in design review meetings with the engineering firm, the Project Manager, Operations, and Construction personnel to discuss the scope, design, and expected performance, as well as work out constructability issues.
  
• Reviews vendor materials quotations, prepares technical evaluations, and recommends selections based on technical merit, along with price and delivery. For example: pump and motor equipment, vessels, buildings, generators, pipe, valves, and fittings.
  
• Reviews lessons learned from past projects and incorporates recommendations into future designs.
  
• Actively identifies and communicates new lessons learned and quality incidents for assigned projects.
  
• Support department initiatives as required.
  

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• Project Manager - Weekly interaction to provide updated status on progress, cost, schedule, and risk.
  
• Supervisor, Facilities Project Engineering - Daily interaction to address project issues and problems.
  
• Manager, Facilities Project Engineering - Weekly interaction to provide project status update.
  
• External Engineering Firm - Daily interaction to provide oversight on project design activities.
  
• Operations - Weekly interaction to provide project status update and seek guidance on required design features.
  

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• Bachelor's degree in Mechanical, Civil, or other related Engineering field.
  
• Minimum of 4 years of industry experience.
  

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• Capable of working independently, managing multiple projects, and prioritizing tasks accordingly
  
• Problem-solve issues through the use of standards, modification of standards, and/or previous experience
  
• Effectively communicate technical issues and impacts to other technical and non-technical staff
  

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• 80% of work is office-based based working with multiple project teams
  
• 20% of the time is in the field scoping projects or supporting procurement, construction, and commissioning activities
  
• Time-sensitive deliverables
  
• Work requires strong computer skills, typically using Microsoft Office applications
  

Date Posted:

Country:

Location:

Position Role Type:

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Security Clearance Type:

Security Clearance Status:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. 

The RF Mechanical Team at Raytheon is seeking a talented Senior Engineer to join our team in Tucson, AZ.

The candidate will be responsible for providing innovative design solutions for the packaging of antennas, RF Circuit Card Assemblies, radomes, and RF test equipment. The selected candidate will be expected to lead multidiscipline teams, provide technical oversight, delegate tasks, and work with the Engineering organization to establish technology roadmaps, enable modernization, and contribute to general innovation. In addition, the candidate will work with customer personnel and program leadership to define and refine requirements to validate hardware compliance. The candidate will be responsible for providing guidance, coaching, mentoring, and training to other employees across the business within the candidate’s areas of expertise.

This position is an onsite role, located in Tucson, AZ.

What You Will Do

• Small group technical oversight
• Common and mature RF product packaging development
• Serve as a technical resource to the organization

Qualifications You Must Have

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience, to include any combination of the following:
  • Experience performing design and / or analysis for the packaging of RF products (e.g. Circuit Card Assemblies, antennas, radomes, RF test equipment, harnesses and interconnects) throughout the product life cycle to include use of three dimensional (3D) Computer Aided Design (CAD) software
  • Experience with the creation of Technical Data Packages (TDPs) using Geometric Dimensioning and Tolerancing (GD&T) for RF products

Qualifications We Prefer

• Master of Science (MS) in mechanical engineering or electrical engineering
• Experience serving as a Responsible Engineering Authority (REA), Control Account Manager (CAM), and/or Integrated Product Team Lead (IPTL)
• Supplier management for built to print or build to specification RF products
• Experience creating and presenting professional level design documentation to company leadership and program customers
• Creo Simulate or ANSYS Workbench for preliminary structural and thermal analysis of design concepts
• Excellent written and verbal communication skills
• Failure investigation, root cause identification, and corrective action implementation
• Familiarity or direct experience with RF Printed Circuit Board (PCB) material stack ups and Circuit Card Assembly (CCA) layout
• One dimensional tolerance analysis for complex mechanical assemblies
• Development of technical proposals, engineering project estimates, and/or white papers
• Requirements verification test planning and execution

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

This position offers relocation based on candidate eligibility.

Learn More & Apply Now!

This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here:

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Company Description

Elastium is an advanced manufacturing startup company transforming the legacy footwear industry toward rapid, fully automated, and localized production. Our manufacturing platform combines proprietary 3D printing technology, software, and materials science to make shoe production as effortless as pushing a button. We're building the most frictionless way of turning bits into useful atoms, sending ripples of singularity across the industry, and bringing tens of billions of GDP back to America.

Responsibilities

You'll be playing the key role in rolling out the mass production of Elastium production cells, operating at unprecedented scale for the AM industry. Specifically, you will:

• Execute the mechanical design of the most advanced FGF/FDM 3D printers on Earth, from initial concept through testing and deployment.
• Eliminate expensive, complex assemblies with radically simple designs that minimize part count, are trivial to build, and scale fast.
• Develop novel tooling solutions for fabrication and assembly of structural parts.
• Develop process flows, breaking down large assemblies into a logical part flow of subassemblies and sub-processes.
• Create excellent technical documentation – test plans and reports, assembly instructions, inspection requirements, part and assembly drawings, vendor specifications, BOMs, etc.
• Work with contract manufacturers and vendors across various disciplines to develop repeatable, sustained processes for quick-turn development as well as at-scale production.
• Troubleshoot and resolve mechanical issues during design, commissioning, and production rollout.

Qualifications

• BS in Mechanical Engineering or equivalent.
• 3+ years of experience designing, testing, and shipping complex electromechanical systems (robotics or industrial tech preferred).
• Proficiency with NX (should be your primary CAD for 2+ years).
• A formidable track record building systems utilizing robot arms or precision gantry kinematics.
• Hands-on experience with CNC milling/turning, sheet metal fab, and welding; excellent understanding of DFM/DFA and what makes good production documentation.
• Familiarity with common elements of manufacturing systems: linear guides, ball screws, encoders, reducers, servos, pneumatic/hydraulic systems, and etc.
• You're high-agency operator with mission-critical discipline and accountability. You identify and neutralize threats before they escalate.

Why this job matters

At Elastium, you won’t be another engineer optimizing inside an existing box—you’ll build in the wild, architecting a new industrial era where factories run like software, starting with footwear. Footwear is an enormous challenge because it’s a massive, messy, labor-heavy industry that left the U.S. for a reason. Reinventing how footwear is made at scale requires the deployment of autonomous plants with thousands of robots that can be reconfigured in real time with no human in the loop. If you want to solve problems that fundamentally reshape the physical world, this is the mission.

Overview

The Sr Design Engineer will work in a cross-functional that designs, develops, manufactures, and services tankless water heaters, boilers, and other products. Knowledge of building the entire system as well as individual components is preferred.

Build, assemble, test prototypes, and put together the entire system. Hands-on work and prior exposure to castings, sheet metals, O-rings, water & gas manifolds are necessary. Identify, develop, and manage select suppliers with a variety of the field's concepts, practices, and procedures.

Responsibilities

• Develop, coordinate, and monitor all aspects of the product
• Suggest methods to improve operational efficiency
• Work cross-functionally with different teams and organizations

Qualifications

• Bachelor's degree in Mechanical Engineering or equivalent Ability to read and understand designs and schematics
• Strong problem solving and critical thinking skills
• Ability to multi-task, organize, and prioritize work

Connolly Consulting Engineers, PLLC is looking for a full-time Electrical or Mechanical Engineer to join our commercial buildings mechanical, electrical and plumbing engineering team. The right candidate will be an experienced engineer with a professional engineer's license, who is interested in accepting a growing level of experience and responsibility for both mechanical and electrical design work. We need someone with a technical design background, who is also detail-oriented and able to coordinate a project from proposal through construction phases. They will report to the Principal Engineers, and while they will not have any direct reports under them, they will help lead the MEP project team.

Primary Responsibilities:

• Designing commercial, medical, multi-family, and industrial MEP systems
• Representing CCE in meetings with architects, owners, and clients
• Conducting site investigations and documenting findings
• Coordinating with all project partners to ensure no surprises during construction
• Creative design solutions providing the most efficient and cost-effective system to match the client’s needs and desires
• Review and respond to contractor submittals, RFIs, and Change Proposals, making sure they adhere to design standards
• Time management to support or lead multiple simultaneous projects

Required Qualifications, Experience & Skills:

• Professional Engineer’s License is strongly preferred
• Excellent written and verbal communication skills
• Minimum 5 years of applicable experience
• Expert skill level in Revit is key
• Excellent attention to detail and checks own work
• Quick learner who is self-motivated, interested in advancing in designing mechanical or electrical building systems
• Able to work independently and manage time and priorities
• Able to lead, direct and train a team of designers/engineers
• Wants to be a team player
• Willing to work overtime on occasion

Interested candidates should apply with resume, cover letter and professional references.

Connolly Consulting Engineers, PLLC is an established, full-service firm, based in Lexington, KY and performs a variety of building design projects. Our culture is relaxed and family-oriented, and our Christian faith is the basis for our work ethic and level of care both in the office and with our clients. Full-time employees enjoy excellent benefits: paid major medical and dental health insurance, retirement fund with company matching, paid vacation and sick leave, paid holidays, profit sharing, and more.

Find out more about our values, team, and projects here:

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Mechanical Engineering
Job Code: 33186
Job Location: Waco, TX (Onsite)
Job Schedule: 9/80

Mechanical engineers at L3Harris have the opportunity to engage in a wide variety of design activities over a broad range of aircraft (both fixed-wing and rotary-wing). Mechanical engineers are responsible for developing designs ranging from the integration of state-of-the-art airborne systems into special mission aircraft to developing specialized aircraft modifications. Engineers utilize 3D parametric CAD, rapid prototyping and other tools in the development of designs and validation of those designs. Engineers will produce technical drawings, procedures and other documents to thoroughly define the design. As an L3Harris engineer you will be involved in all phases of the product design, including concept development, detail design, manufacturing, installation on the aircraft and follow up with the customer.

• Design and liaison of aircraft primary and secondary structure utilizing military and commercial design standards, customer specifications and system requirements documents utilizing 3-dimensional CAD.
• Provide liaison to production and manufacturing for interpretation of engineering design/drawings.
• Conducting engineering drawing preparation and release within allocated schedule and budget constraints.
• Generating bids for customer requested change orders and new pursuits.
• Documenting and reviewing designs with peers, management, and customers.
• Strong knowledge of mechanical design principles for aircraft structure and components.
• Strong analytic and communication skills.
• Ability to work in aircraft and in an aircraft hangar environment. Ability to climb/board and work inside aircraft. Ability to bend, stoop, balance, kneel, crouch, reach, push, pull, grasp. Ability to work in narrow aisles or passageways.
• Ability to obtain and maintain a security clearance.
• Willingness and ability to work any shift, weekends, and overtime as required.
• Willingness and ability to travel as required (
  • Bachelor's Degree in Mechanical Engineering or Aeronautical Engineering (or equivalent field) and minimum 6 years prior related experience. Graduate Degree with a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Minimum 4 years experience with the use of 3D CAD programs to create solid models and 2D detail, assembly, and installation drawings.
  • Minimum 4 years experience with basic Microsoft Office software applications including Word and Excel.
  • Must be a U.S. citizen
  
  Preferred Additional Skills:
  • Active DoD Secret security clearance
  • Mid-level knowledge of 3D CAD tools:
    • Creo Parametric, Siemens NX or equivalent
  • Familiarity with aircraft and military design standards such as:
    • SAE AS50881, MIL-STD-704, MIL-E-7016, SAE ARP4754, MIL-STD-461, MIL-STD-810, MIL-STD-882, MIL-HDBK-516
  • Ability to manage budgets and schedules, serve as a task leader within the team, and mentor junior team members for integration design and liaison.
  
  #LI-AS1

  L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

  Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

  By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

  L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.