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Principal Mechanical Engineer

Mesa Associates


Job Location:

Knoxville, TN - USA

Monthly Salary: Not provided by the employer
Posted: 20 May 2026 (30+ days ago)
Application Deadline: 3 November 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

GIG - General / Generation Industrial & Govt

Disclaimer: Be cautious and only respond to emails from our domain. We will never ask for sensitive information such as bank account details SSN etc. via email. If you receive any communication asking for such information it is not from Mesa. For any concerns or to verify the authenticity of a message please contact us through our official channels.

Weve got the power to energize your career and spark YOUR work/life balance through professional development and exceptional benefits. Dont delay plug in today for an inclusive and meaningful career. Mesa Associates Inc. is a woman/minority-owned full-service engineering procurement and project management firm covering power defense aerospace industrial commercial and municipal entities. We specialize in power generation and delivery services. Our Nuclear Services Division specializes in providing high-quality engineering procurement design and project management for operating and new reactor clients and partners with our other divisions to integrate nuclear design with electrical high-voltage substations switchyard transmission line and distribution design. We have been in the top 10 of EC&Ms Top 40 Electrical Design Firms since 2012. With over 1000 associates we are big enough to perform but small enough to care!

Mesa seeks a Principal Engineer that will manage the effective use of resources and identify areas for improvement and communicate as appropriate make audit recommendations and develop and manage document control policies and procedures ensuring all QA regulatory and client requirements are satisfied.

What Were Looking for

  • Expert knowledge in standard engineering techniques and procedures.
  • Strong knowledge of mechanical design codes (ASME ANSI API NFPA).
  • Proficient computer skills (e.g. Microsoft Office Suite). Additional software skills including Bluebeam MicroStation AutoCAD Vault Plant3D Inventor ReCap SolidWorks FARO Scene and other 3D rendering programs preferred.
  • The development and review of engineering calculations design criteria and performing/Checking calculations on various systems and software packages
  • Experience with Detailed Stress Analysis In depth analysis of piping systems custom piping components or fabrication assemblies utilizing AutoPIPE Caesar II Paulin PRG Nastran Inventor and/or SolidWorks
  • Possess working knowledge of computers and software such as AutoCAD Microsoft Office Suite and software used for specific technical applications within the department.
  • Possess a willingness to develop promote and comply with Mesa safety requirements.
  • Possess a strong knowledge of power generation types Coal Gas Hydro and Nuclear.
  • Possess a strong knowledge of client manufacturing fabrication and operational processes.

What Youll Do

  • Applies extensive knowledge of engineering principles and practices.
  • Exercises judgment in the independent evaluation selection and substantial adaptation and modification of standard techniques procedures and criteria.
  • Responsible for scoping estimating organizing executing and coordinating engineering projects which may have unique or complex technical or project execution requirements.
  • Performs technical and coordination checking/ review of deliverables and other project documents.
  • Ensures deliverables comply with Business Unit procedures and meet applicable design requirements.
  • Works with the Engineering Manager and Project Managers to define project objectives prepare design estimates and define project requirements and design approaches for large or complex projects.
  • Capable of acting as Lead Engineer on single/multidisciplinary projects of any size or level of complex.

What Youll Earn

  • Paid Time Off
  • Holiday Pay 10 Days Annually
  • Group Medical/Dental Insurance
  • Life Insurance (Company Paid)
  • Disability Insurance (Company Paid)
  • 401(K) Retirement Savings plan
  • 401(K) Matching Contribution
  • Section 125/Cafeteria Plan
  • Long Term Care Insurance
  • Tuition Reimbursement
  • Fitness Center Reimbursement
  • Annual Performance Bonus
  • 9/80 Work Schedule Option
  • FSA and HSA Options

Notice to External Search Firms:Mesa Associates Inc. and its subsidiaries do not accept unsolicited resumes and will not be obligated to pay a placement fee for unsolicited resumes. Mesa Associates Inc. Talent Acquisition engages with approved search firms directly for specific hiring needs.


Required Experience:

Staff IC


About Company

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Mesa is a full-service, multi-discipline engineering, procurement, and construction management firm specializing in engineering and consulting services.

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