Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Engineer III

Sierra Nevada Company, LLC

Do you enjoy designing and developing innovative solutions to solve tough problems? Join our team to deliver technological solutions in a rapid and agile production environment. As a Mechanical Engineer III, you will lead the design, development, testing, and deployment of advanced mechanical systems for aerospace and defense applications. This role requires in-depth expertise in mechanical engineering and the ability to manage multiple projects simultaneously.

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries.

Responsibilities:

  • Lead the design and development of advanced mechanical systems and components.

  • Perform complex analyses and simulations to validate and optimize designs.

  • Develop and oversee the execution of detailed test plans and procedures.

  • Review and approve technical documentation and reports.

  • Collaborate with cross-functional teams to ensure successful integration of mechanical systems.

  • Mentor junior engineers and provide technical guidance.

Qualifications You Must Have:

  • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.

  • 6+ years of experience in mechanical engineering or a related role.

  • Higher level relevant degree may substitute for experience.

  • Advanced understanding of mechanical design principles and computer-aided design (CAD) software.

  • Practical knowledge of engineering principles and practices

  • Experience with Computer Aided Engineering tools

  • Experience working in multi-disciplinary design and development teams

  • The ability to obtain and maintain a Secret U.S. Security Clearance is required

Qualifications We Prefer:

  • Master’s degree in a related field.

  • Understanding of applying and interpreting Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5

  • Background in the Aerospace and Defense Industry

  • Knowledge of industry-standard mechanical design principles, to include, but not limited to parametric design, model-based definition, material hardware selection, manufacturing, and production processes

  • Knowledge of environmental requirements for components utilized in aircraft and space applications

  • Experience providing technical guidance to a diverse team of engineers on issues related to mechanical engineering

  • Experience with manufacturing, production, and product support to include disposition of engineering non-conformances

  • Familiarity with FAA , NASA, and/or DoD design and construction regulations

Essential Functions:

  • Ability to work on a computer for extended periods.

  • Occasional travel may be required.

  • Ability to work in an office or hybrid environment.

  • Applying systematic and logical problem-solving techniques to develop mechanical designs

  • Clearly convey technical information, design specifications, and project updates to team members, stakeholders, and management

  • Ability to understand technical documents, designs and test reports.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more ( .

IMPORTANT NOTICE:

This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Learn more about the background check process for Security Clearances. (

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer III in Plano, TX vacancy
  •  ...Job Overview Mechanical Engineer III – responsible for leading the design, development, testing, and deployment of advanced mechanical systems for aerospace and defense applications. Responsibilities Lead the design and development of advanced mechanical systems and components... 
    Suggested
    Work at office

    Sierra Nevada Corporation

    Plano, TX
    2 days ago
  • $97k - $127k

     ...Mechanical Engineer III We are seeking a Mechanical Engineer III to lead the design, development, and validation of HVAC systems and components, including evaporator coils and air handlers. This role is a senior-level individual contributor responsible for driving technical... 
    Suggested
    Temporary work

    Lennox International Inc

    Carrollton, TX
    3 days ago
  • $90k - $100k

     ...The Opportunity: Tetra Tech is seeking to add Civil Engineer III to its Civil Engineering team. This opportunity is remote and/or hybrid-friendly that can be performed from a wide range of locations across the US in EST and CT time zones. Why Tetra Tech:... 
    Suggested
    For contractors
    Work at office
    Local area
    Remote work
    Worldwide
    Monday to Friday
    Flexible hours

    Tetra Tech

    Plano, TX
    2 days ago
  •  ...As a Structural Engineer III, you will lead the design, analysis, and certification of advanced aerospace and defense structures. This...  ...Qualifications – Must Have Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Civil Engineering, or a related field. 6+ years... 
    Suggested
    Work at office

    Sierra Nevada Corporation

    Plano, TX
    6 hours ago
  •  ...This is a 2D Drafter role supporting Ovivo USA Engineering within Ecolab’s organization. The position focuses on developing and maintaining P&IDs using AutoCAD Plant 3D, along with supporting general arrangement and fabrication drawings for industrial water and process... 
    Suggested

    Insight Global

    Plano, TX
    4 days ago
  • $108k - $148.5k

     ...Who We Are Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. We design, build and service cutting-edge equipment that helps our customers manufacture display and semiconductor... 
    Full time
    Relocation

    Applied Materials

    Richardson, TX
    1 day ago
  • Transwestern is seeking a Building Engineer in Richardson, TX to handle maintenance and repair tasks for commercial buildings. The role requires at least three years of experience in building maintenance and expertise in HVAC systems, troubleshooting, and energy management... 
    Full time

    Transwestern

    Richardson, TX
    3 days ago
  •  ...General Information Name Mechanical Design Engineer Employment Type Direct Hire Position level Full-time Virtual/Remote? No Labor Category Engineering Date 12-Jun-2026... 
    Full time
    Temporary work
    Local area
    Remote work

    Kelly Services, Inc.

    Richardson, TX
    2 days ago
  •  ...Position Description The Mechanical Design Engineer is responsible for the development and sustaining engineering of electronic hardware designs for power supplies and converters. Responsibilities Support the introduction of new products through mechanical design, development... 

    SynQor

    Plano, TX
    6 hours ago
  • $74.7k - $127.3k

     ...Managed WiFi Sales Engineer The Managed WiFi Sales Engineer will support the sales organization by providing technical expertise, solution design, quoting support, and customer-facing guidance for managed WiFi, fiber, low-voltage, and related smart building infrastructure... 

    RealPage

    Richardson, TX
    4 days ago
  • $54.6k - $68k

     ...training staff. The ideal candidate will have effective communication skills, a desire to collaborate in teams, and experience in engineering or a related field. This full-time position offers a salary ranging from $54,600 to $68,000, along with a 5% annual bonus target... 
    Full time

    UL

    Plano, TX
    2 days ago
  • Overview Job Title: Field Technician III About The Company: Electric Power Systems (EPS) is a NETA-accredited independent electrical testing and engineering organization specializing in electrical acceptance testing, commissioning, and maintenance for clients across Data... 
    Daily paid
    Temporary work
    Flexible hours

    Electric Power Systems

    Richardson, TX
    3 days ago
  • $85k - $105k

     ...Designs, adapts or directs the building of test setups and equipment to new situations, based on analysis of test specifications and engineering department requests and instructions. Prepares purchase and material requisitions. Recommends solutions to observed test... 
    Full time
    Work at office

    UL

    Plano, TX
    4 days ago
  •  ...seeking alternative components, helping production and other engineering related activities. Utilize ‘design for manufacturing’ principles...  ...require knowledge of applications, electrical/electronics, mechanical, manufacturing, quality, and safety. Never a dull day, and... 
    Local area

    Maverick Power LLC.

    Plano, TX
    5 days ago
  •  ...Our client is seeking a Mechanical Engineer to join their team. The Mechanical Engineer is responsible for the design and test of all aspects of mechanical equipment and machinery. Job Title: Mechanical Engineer Location: Plano, TX Responsibilities Provide mechanical machine... 

    Manpower Group Inc.

    Plano, TX
    6 hours ago
  • $110k - $150k

     ...Mechanical Engineer $110000 - $150000 per year | Plano, TX | Hybrid | Permanent Job Details We are seeking a Mechanical Engineer to support the design and delivery of mechanical and plumbing systems across a wide range of building types within a multidisciplinary engineering... 
    Permanent employment
    For contractors
    Local area

    Australia-Employment

    Plano, TX
    3 days ago
  • $90k - $110k

     ...environment which fosters career advancement Job Details ed our clients' needs. This role will require a deep understanding of mechanical engineering principles and the ability to apply these principles to real-world applications. Responsibilities: As a Mechanical Engineer... 
    For contractors
    Local area

    Jobot

    Richardson, TX
    6 hours ago
  •  ...Job Description A growing firm is looking for their next Mechanical Engineer (PE) with experience in HVAC/plumbing design. This is a great company to work with offering a great company culture and interesting projects. If you're a Mechanical Engineer that... 

    gpac

    Richardson, TX
    2 days ago
  •  ...CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in...  ...Purpose. Lead with Impact. Grow with Us. Are you a passionate Mechanical Engineer looking to take the next big step in your career? At... 
    For contractors
    Work at office
    Local area
    Immediate start
    Flexible hours

    Legence

    Plano, TX
    1 day ago
  •  ...days, Medical, Dental and Vision insurance, 401K retirement savings plan, Life Insurance, Disability Insurance. Job Description Mechanical Engineer - responsible for electrical/mechanical high-level concept design, translation of requirements to design requirements,... 
    Work experience placement

    Collabera

    Plano, TX
    1 day ago
  • $20 - $27.5 per hour

     ...Job Title Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced...  ...TIER II start-ups within established time frames. Assists on TIER III start-ups. Provides technical assistance to less experienced... 
    Full time
    Contract work
    Relocation

    Applied Materials

    Richardson, TX
    3 days ago
  • $31 - $42.4 per hour

     ...We Are Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and...  ...corrective maintenance on various systems such as electrical, vacuum, mechanical, plasma, hydraulic, and gas systems. Additionally, you'll... 
    Full time
    Work experience placement
    Relocation

    Applied Materials

    Richardson, TX
    1 day ago
  •  ...our planet. Qorvo is looking for an experienced Prinicipal Mechanica/Thermal Engineer to join the Defense & Aerospace product development team. The successful candidate will lead mechanical design and analysis efforts of electronics packaging for defense... 
    Permanent employment

    Qorvo

    Richardson, TX
    2 days ago
  •  ...Medical, Dental, and Vision Benefits! High-growth organization with advancement opportunities! About the Role: As a Senior Mechanical Design Engineer with Maverick Power you will be working with our engineering and manufacturing teams to design and produce power... 

    Maverick Power

    Plano, TX
    1 day ago
  •  ...healthcare and aerospace/defense. Visit to learn how our innovative team is helping connect, protect and power our planet. Senior Mechanical Engineer - Foundry Engineering Qorvo is seeking a collaborative, detail-driven Senior Mechanical Engineer to join our Foundry... 
    Work at office

    Qorvo

    Richardson, TX
    4 days ago
  •  ...POSITION TITLE: Senior Mechanical Engineer LOCATION: Plano, Texas Who We Are: Planmeca is one of the largest privately-held dental equipment companies in the industry. Our technology-driven product line includes digital, dental imaging (x-ray) equipment, dental... 
    Temporary work
    Flexible hours

    Planmeca USA

    Richardson, TX
    1 day ago
  •  ...supporting a wide spectrum of markets from commercial products, military customers, to space research laboratories. The Senior Mechanical Engineer is a senior level individual contributor responsible for designing and analyzing mechanical and electro-mechanical products... 
    Full time
    Flexible hours

    Continental Electronics Corporation

    Richardson, TX
    5 hours ago
  •  ...how our innovative team is helping connect, protect and power our planet. We are looking for a collaborative, detail-driven Mechanical Engineer to support the design documentation and release of complex electro-mechanical products. In this role, you will create and... 
    Permanent employment
    Work at office

    Qorvo

    Richardson, TX
    2 days ago
  •  ...CMTA, a Legence company CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in...  ...Purpose. Lead with Impact. Grow with Us. Are you a passionate Mechanical Engineer looking to take the next big step in your career? At... 
    For contractors
    Work at office
    Local area
    Immediate start
    Flexible hours

    CMTA Inc

    Plano, TX
    2 days ago
  • $100.5k - $147.4k

     ...Amazon Principal Engineering (APET) Team Member – Mechanical Engineer A dynamic, fast paced, program guiding role focused on Mechatronic Engineering for the Amazon Account, with a Mechanical Engineering background. The Amazon Principal Engineering Team (APET) is charged... 
    Local area
    Work visa

    Ultimate LLC

    Plano, TX
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer III. Be the first to apply!