Mechanical Engineer

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Want To Work At CHI?

We’re looking for experienced Mechanical Engineers to join our growing team in Portsmouth, New Hampshire. We encourage those with at least 10 years of experience in the design of cryogenic, LNG, natural gas, petrochemical, or oil systems to submit a resume for consideration.

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Essential Duties & Responsibilities

  • Responsible for developing, designing and managing all mechanical aspects of LNG projects including liquefaction, storage, truck transfer and vaporization of LNG.
  • Weekly reporting to individual project managers on project status, budget and schedule.
  • Authoring design, procurement and operations specifications for equipment and systems.
  • Field commissioning and troubleshooting of LNG plant startup and operations.
  • Systematic analysis of piping stress, pressure vessel nozzles, vapor dispersions and thermal radiation.
  • Reviewing calculations, equipment specifications, requisitions and drawings.
  • Maintain technical proficiency and code expertise in the LNG field (49CFR193, NFPA 59A, ASME B31.3, BPVC Section VIII).
  • Develop cost estimates and proposals in response to client requests.
  • Development of drawings for fabrication and construction of plant piping and equipment systems. This may include interdisciplinary work with civil, electrical, process and controls project groups to optimize design.
  • Travel to sites approximately 10% of the time.

Specific Knowledge and Skills

  • Ability to communicate effectively with clients, subcontractors and co-workers.
  • Experience in design of cryogenic, natural gas, petrochemical, or oil systems.
  • Previous work specifying pumps, compressors, valves, heat exchangers, heaters, coolers, boilers, or pressure vessels.
  • Site or field experience installing, operating, or troubleshooting equipment.
  • Ability to set priorities, to be self-disciplined and consistent.
  • Good written and oral communications skills.
  • Computer literacy in MS Office and MS Project.
  • Ability to communicate effectively with clients, subcontractors and co-workers.

Education and/or Experience

  • B.S. degree in Mechanical Engineering
  • Professional Engineering license preferred
  • 10 years of experience
  • Hands-on experience in the field/at sites highly preferred

Employee Benefits

CHI is an Equal Opportunity Employer, offering competitive wages and excellent benefits that include:

Health & Dental

Health & Dental

Insurance through Harvard Pilgrim Health Care and Delta Dental.

Flexible Spending Accounts

Flexible Spending Accounts

Employee-paid health and dependent care FSA.

Life and AD&D Insurance

Life and AD&D Insurance

Basic and additional plans are available for employees, spouses and dependents.

Company Paid Short & Long-Term Disability

Company Paid Short & Long-Term Disability

CHI pays the premium for each disability plan.

Paid Time Off (PTO)

Paid Time Off (PTO)

Employees receive PTO hours based on their length of employment.

Paid Holidays

Paid Holidays

CHI recognizes nine paid holidays.

401(k) Plan

401(k) Plan

ADP 401(k) or Roth Retirement Plans with company match.

Profit Sharing

Profit Sharing

Discretionary plans with varying payout dates and amounts.

Aspiring Leadership Program

Aspiring Leadership Program

Career roadmaps for motivated potential leaders.

What Our Employees Think

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