Senior Mechanical Engineer (Heat Mass Balance)
Charlotte, NC
Experience: 0
Category: Engineering
Contractor Work Model: Onsite
Brand: System One
Job ID: 344688
Date Posted: 01/15/2026
Shortcut: http://jobs.systemone.com/y0zlmI
Job Title: Senior Mechanical Engineer (Heat Mass Balance)
Location: Charlotte, NC
Type: Contract to direct hire
Compensation: $75/hr (+/-) DOE
Contractor Work Model: Onsite
Hours: 40 hours/week
Start Date: ASAP
Duration: Long Term
System One is currently accepting applications for a Senior Mechanical Engineer to perform heat mass balance calculations for power generation projects.
RESPONSIBILITIES
- Serve as a Heat and Mass Balance Lead to develop HMB on Combined Cycle Power Projects
- Provide strong leadership to help develop scope documents during the early phases of project development
- Interface with the Owner to help define scope and develop scopes of work for proposal packages
- Interface with internal resources to Prepare equipment inquiry/RFQ packages.
- Perform equipment technical bid evaluations and prepare recommendations.
- Review equipment vendor documents for compliance to project specifications and industry standards.
- Develop job notes and technical scopes of work.
- Prepare man-hour estimates for proposals.
- Attend Client, Vendor, and Internal Team meetings.
- Present technical information to peers or other personnel for review, to implement operating procedures, and resolve system malfunctions.
- Independently evaluate, select, and apply standard engineering techniques, procedures, and criteria using judgment in making minor adaptations and modifications.
- Provide specific to discipline technical expertise to the degree of preparing and providing training for other personnel; both within the company and for the customer.
- May supervise, coordinate, and review work of a small staff of engineers or technicians on assigned work.
- As a Licensed Professional Engineer, seals and signs all documentation produced by own work. May also seal and sign work done by engineers under direct supervision.
REQUIREMENTS
- Bachelors degree in a mechanical or related engineering discipline
- 15 minimum years of experience in Power, Diversified, Food and Beverage, Pharmaceutical, Oil and Energy, Chemical Industry
- Strong background in the development of HMB for Combined Cycle Projects
- Knowledge of Performance Guarantees including emissions compliance
- Experience in the specification of fixed and rotating equipment including STG, CTG, and HRSG
- Experience Utilizing the Thermoflow suite of Software Tools to develop HMB and TIC estimates
- Strong communication skills and the ability to interact with Clients early in the project cycle
- Licensed Professional Engineer
- Experience in the EPC Power business
PHYSICAL DEMANDS
Employee will be required to communicate in person, via telephone, email, use of arm/hand steadiness, manual dexterity, finger dexterity, multi limb coordination, oral expression, and comprehension. May be required to lift, carry and move objects safely.
WORK ENVIRONMENT
Employee will work in multiple environments including an office, warehouse and in a trailer or building on construction sites. On construction sites, noise levels will be moderate to high. Job sites may contain the following: light to heavy equipment vehicles, small to large equipment, materials, communication equipment and tools, people standing, walking, sitting, signaling, and talking. Noise levels vary and may include bells, whistles, and alarms.
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M-1
#LI-JC1
#DI-
Ref: #195-Precision Zachry
-
Senior Project Engineer
Cambridge, Massachusetts
Job Title: Senior Project Engineer Location: Cambridge, Massachusetts Type: Direct Hire Compensation: $160000 - $210000 annually Contractor Work Model: Hybrid System One is currently seeking a Senior Project Engineer on a direct hire position located i...
Date Posted: 02/03/2026 Recommended
-
Electrical, Instrumentation & Controls Engineer
New Castle, Delaware
Job Title: Electrical, Instrumentation & Controls Engineer Location: New Castle, Delaware Type: Direct Hire Compensation: $95000 - $125000 annually Contractor Work Model: Onsite Job Summary: The Electrical, Instrumentation & Controls Engineer is respon...
Date Posted: 02/09/2026 Recommended
-
Substation Design Engineer
Houston, Texas
Job Title: Substation Design Engineer Location: Houston, Texas Type: Direct Hire Compensation: Contractor Work Model: Hybrid/Remote Substation Electrical Engineer – Grid Mid to Senior Level | Electrical Power Engineering Hybrid Work Schedule Full-Time ...
Date Posted: 02/27/2026 Recommended
-
Substation Design Engineer
Chicago, IL
Job Title: Substation Design Engineer Location: Chicago, IL Type: Direct Hire Contractor Work Model: Hybrid/Remote Substation Electrical Engineer – Grid Mid to Senior Level | Electrical Power Engineering Hybrid Work Schedule Full-Time | Direct Hire Pos...
Date Posted: 02/27/2026 Recommended
-
Project Engineer
Denver, Colorado
Job Title: Project Engineer Location: Denver, Colorado Type: 12 month Contract Compensation: $37.00 - $40.00 hourly Contractor Work Model: Hybrid Hours: Onsite 3 days per week at various plant locations, potentially up to 5 days a week if needed. Syste...
Date Posted: 02/06/2026 Recommended
-
Controls & Instrumentation Engineer
Lake Mary, FL
Job Title: Controls & Instrumentation Engineer Location: Lake Mary, FL Role Overview The Instrumentation & Controls Engineer will be responsible for: Specification and procurement of Instrumentation for large frame Gas Turbines. Creation and maintenanc...
Date Posted: 01/13/2026 Recommended
-
Plant Engineer
Denver, Colorado
Job Title: Plant Engineer Location: Denver, Colorado Type: 8 month Contract Compensation: $64.00 - $66.00 hourly Contractor Work Model: Onsite System One is currently seeking a Plant Engineer on a 8 month contract position located in Denver, CO. Plant ...
Date Posted: 02/06/2026 Recommended
-
Mechanical Engineer
York, Pennsylvania
Job Title: Mechanical Engineer Location: York, Pennsylvania Type: Direct Hire Contractor Work Model: Onsite Position Summary: The basic function of this exempt position is to assist with all aspects of Mechanical Engineering in the development of custo...
Date Posted: 02/25/2026 Recommended
-
Fleet Risk Lead Engineer
Lake Mary, FL
Fleet Risk Lead Engineer Lake Mary, FL Type: Direct Hire Contractor Work Model: Onsite SUMMARY The Fleet Risk Senior Engineer supports the development and execution of the Fleet Risk Management Program, which identifies and mitigates emerging risks wit...
Date Posted: 12/19/2025 Recommended
-
Resident Engineer - Nuclear
Loveland, Colorado
Resident Engineer Location: Onsite in Loveland, CO Pay Rate: $50–$80/hour Position Type: Contract (via System One) System One is seeking a highly motivated Nuclear Island Resident Engineer to support supplier activities on-site at James Fisher Technolo...
Date Posted: 01/09/2026 Recommended
-
Refueling & Remote Handling Engineer
Corvallis, OR
Job Title: Refueling & Remote Handling Engineer Location: Corvallis, OR Type: Contract Contractor Work Model: Remote Responsibilities: Lead the development of solutions for complex problems in fuel and reactor module handling, including remote disassem...
Date Posted: 02/25/2026 Recommended
-
Mechanical Engineer
Glenshaw, Pennsylvania
Job Title: Mechanical Engineer Location: Glenshaw, PA Type: Direct Hire Compensation: 100-120K Contractor Work Model: On site Objective Execute mechanical engineering assignments involving specifications, calculations, reports, and project studies for ...
Date Posted: 02/18/2026 Recommended
-
Jr Engineer
Mahwah, NJ
Job Name: Jr Engineer Location: Mahwah, NJ Contractor Work Model: Onsite Pay Rate: $26.67 - $38.67/hr Work schedule: Mon- Fri 8am- 5pm Type: Contract Full Job Description: This position is responsible for the analysis and testing of product-representat...
Date Posted: 02/19/2026 Recommended
-
Thermal Analysis Engineer
Bellevue, WA
Job Title: Thermal Analysis Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52 - $85 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking a highly motivated Th...
Date Posted: 02/12/2026 Recommended
-
Senior Nuclear Electrical Engineer
Stonington, Connecticut
Senior Nuclear Electrical Engineer Charlotte, NC 28273 or Stonington, CT 06378 System One is seeking a Senior Nuclear Electrical Engineer in Charlotte, NC or Stonington, CT to perform a variety of engineering and design activities involving power plant...
Date Posted: 12/30/2025 Recommended
-
Mechanical Engineer
Wheatland, Pennsylvania
Job Title: Mechanical Engineer Location: Wheatland, PA Type: Direct Hire Contractor Work Model: Onsite Objective Develop and maintain BOMs, production layouts, and product specifications while driving process improvements, cost reductions, and product ...
Date Posted: 02/25/2026 Recommended
-
Senior Nuclear Electrical Engineer
Charlotte, North Carolina
Senior Nuclear Electrical Engineer Charlotte, NC 28273 System One is seeking a Senior Nuclear Electrical Engineer in Charlotte, NC to perform a variety of engineering and design activities involving power plant upgrades and/or new power plant projects....
Date Posted: 12/30/2025 Recommended
-
Senior Engineer
Bellevue, Washington
System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program. This role is focused on high-integrity nucl...
Date Posted: 01/05/2026 Recommended
-
Qualification Engineer
Oak Ridge, Tennessee
Qualification Engineer – Oak Ridge, TN (Onsite) Type: Direct Hire Work Model: Onsite (Relocation assistance not provided) System One is seeking a highly skilled Qualification Engineer to support a nuclear technology client in Oak Ridge, TN. This role i...
Date Posted: 02/12/2026 Recommended
-
Electrical Controls Engineer
Kansas City, MO
Electrical Controls Engineer Full-Time | Kansas City, MO Travel: Up to 50% (including occasional extended trips) Position Overview Seeking an experienced Electrical Controls Engineer to support turnkey control system projects. This role involves collab...
Date Posted: 02/17/2026 Recommended
-
Electrical Controls Engineer
Auburn Hills, Michigan
Electrical Controls Engineer Full-Time | Auburn Hills, MI Travel: Up to 50% (including occasional extended trips) Position Overview Seeking an experienced Electrical Controls Engineer to support turnkey conveyor control system projects. This role invol...
Date Posted: 01/15/2026 Recommended
-
Electrical Controls Engineer
Lansing, Michigan
Electrical Controls Engineer Full-Time | Lansing, MI Travel: Up to 50% (including occasional extended trips) Position Overview Seeking an experienced Electrical Controls Engineer to support turnkey conveyor control system projects. This role involves c...
Date Posted: 01/15/2026 Recommended
-
Inside Sales Engineer
Tulsa, OK
System One is working with a local company searching for an Inside Sales Engineer Location: Tulsa, OK This is a direct-hire, full-time opportunity. We are seeking a candidate with strong job stability and a technical background, ideally with a degree i...
Date Posted: 02/05/2026 Recommended
-
Component Engineer, Nuclear
Bellevue, WA
Job Title: Component Engineer, Nuclear Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Remote Position Overview: We are seeking an experienced and detail-oriented Component Engineer to support component design efforts in the nuclea...
Date Posted: 02/23/2026 Recommended
-
Mechanical Design Engineer
Urbana, Illinois
Mechanical Design Engineer Location: Onsite Job Overview: System One is seeking a talented Mechanical Design Engineer to join our client's team. In this role, you will be responsible for conceptualizing, designing, and documenting advanced mechanical s...
Date Posted: 02/04/2026 Recommended
-
Assistant Engineer
Newark, New Jersey
Job Title: Assistant Engineer Location: Newark, NJ Type: Contract (6 months) Compensation: $34.88/hour Contractor Work Model: Onsite Hours: Monday through Friday (830AM to 5PM) ASSISTANT ENGINEER SUMMARY: The Assistant Engineer will be responsible for ...
Date Posted: 01/02/2026 Recommended
-
Hardware Engineer I
Arlington, TX
Job Title: Hardware Engineer Location: Arlington, TX (onsite) Type: Contract Compensation: $34.00 hourly Security Clearance: Active Secret clearance required. (Must be able to obtain an NRC Public Trust Security Clearance before starting which may take...
Date Posted: 02/24/2026 Recommended
-
Environmental and Seismic Engineer
Oak Ridge, Tennessee
Environmental & Seismic Engineer – Oak Ridge, TN (Onsite) Type: Direct Hire Work Model: Onsite (Relocation assistance not provided) System One is seeking an experienced Environmental and Seismic Engineer to support nuclear facility programs in Oak Ridg...
Date Posted: 02/12/2026 Recommended
-
Senior Electrical Engineer
Downers Grove, IL
Job Title: Senior Electrical Engineer Location: Downers Grove, IL Type: Contract (Contract to Direct Possible) Duration: 6 months Compensation: $67.40 - $82 (Flexibility DOE) Contractor Work Model: Onsite Hours: 40 hours/week (Monday - Thursday 7:30am ...
Date Posted: 02/24/2026 Recommended
-
Substation Design Engineer
Atlanta, Georgia
Job Title: Substation Design Engineer Location: Atlanta, Georgia Type: Direct Hire Compensation: Contractor Work Model: Onsite Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List security clearance requirements...
Date Posted: 02/27/2026 Recommended