Mechanical Engineer

NorthStar Energy Services; Arlington (TX); On-site; USD 90,000 - 140,000; Full time

Job summary

NorthStar Energy Services seeks a Project Engineer to develop mechanical and piping design deliverables for energy facilities, including design concepts, criteria, equipment specifications, and code interpretations.

You will define scope, schedule, and budget; coordinate procurement and vendor activities; and serve as a key technical connection among clients, internal disciplines, and third‑party partners throughout the project lifecycle, including construction and field implementation.

Qualifications

• Bachelor of Science in Mechanical Engineering.
• 5+ years of relevant engineering experience, including proficiency in AutoCAD and Microsoft Office Suite.
• Preferred, but not required: Professional Engineer (P.E.) license in the state of Texas or ability to obtain one.

Responsibilities

• Develop mechanical and piping design deliverables for energy facilities, including design concepts, engineering criteria, equipment specifications and selections, and code interpretations.
• Coordinate scope, schedule, and budget; manage procurement and vendor activities; serve as technical liaison among clients and internal teams.
• Review PPFDs, PFDs, and P&IDs for constructability, operability, and multidisciplinary coordination.
• Develop and maintain core project documentation and design basis documents; support QA/QC activities.
• Provide engineering support during construction, commissioning, and startup, including field walkdowns and as-built documentation.

Skills

Attention to detail

Organizational skills

Independent work

Problem-solving

Communication skills

Education

Bachelor of Science in Mechanical Engineering

Professional Engineer (P.E.) license (preferred)

Tools

AutoCAD

Microsoft Office

Job description

NorthStar Energy Services delivers engineering, procurement, project management, construction management, and consulting solutions across the energy, petrochemical, and process industries, including oil and gas processing and transportation, refining, chemicals, renewables, and natural gas. Our multidisciplinary team includes experienced engineers and senior technical specialists with expertise in process technologies, program management, conceptual and detailed design, and construction management.

LOCATIONS: Arlington, TX or Houston, TX

POSITION SUMMARY:

In this role, you will develop mechanical and piping design deliverables for energy facilities, including design concepts, engineering criteria, equipment specifications and selections, and code interpretations. As Project Engineer, you will also help define scope, schedule, and budget; coordinate procurement and vendor activities; and serve as a key technical connection among clients, internal disciplines, and third‑party partners throughout the project lifecycle, including construction and field implementation.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

• MECHANICAL ENGINEERING
• Develop practical mechanical and piping design solutions for pipeline and facility projects, including traps, regulator stations, measurement stations, compressor stations, pump stations, tank terminals, and main‑line block valve sites
• Perform engineering analyses, calculations, and design activities for a broad range of mechanical deliverables, including:
• Line Sizing Calculations
• Pipe Support Load Analysis and Nozzle Load Evaluations
• Piping Stress and Strain Analysis per applicable codes and standards
• Equipment and Piping Layouts for Compressor Stations, Pump Stations, Tank Terminals, and Truck Loading Facilities
• Hot Taps, Stopples, and Related Mechanical Work
• Interpret and apply applicable codes and standards for gathering, transmission, distribution, petrochemical, and related energy systems
• Develop and review specifications, data sheets, and equipment selections for rotating and fixed equipment, including:
• Pressure Vessels, Drums, Tanks, Filters, Mixers, Strainers, and Separators
• Pumps, Compressors, and Turbines
• Apply knowledge of manufacturing and fabrication methods, including machining, grinding, welding, assembly, and inspection, together with materials engineering, metallurgy, and material selection
• Provide independent technical review of project PPFDs, PFDs, and P&IDs for constructability, operability, and multidisciplinary coordination
• Develop and maintain standardized engineering procedures, calculation methods, and design practices that support consistent technical quality
• Ensure project compliance with applicable codes and standards, including:
• Title 49 CFR Parts 190‑199, 40 CFR 112, 40 CFR 264
• ASME BPVC‑VIII Pressure Vessel
• API 620, API 650, API 12C Tank Design
• Piping Design Systems, ASME B31.3, B31.4, B31.8
• API 610 Pumps, Centrifugal Pumps (1 hp to 10,000 hp)
• API 674/675/676, Positive Displacement Pumps
• API 682, Shaft Sealing Systems for Centrifugal and Rotary Pumps
• Mechanical Seal Design Systems
• API 520/521 Pressure Relief Devices

PROJECT ENGINEERING & DELIVERABLE MANAGEMENT

• Serve as Project Engineer for assigned projects, with responsibility for scope, schedule, budget, and coordinated technical execution across engineering disciplines
• Coordinate multidisciplinary deliverables and serve as the primary day‑to‑day technical point of contact for the client
• Develop and maintain core project documentation, including design basis documents, scopes of work, deliverable lists, and progress reports
• Support procurement through RFQs, technical bid evaluations, and purchase recommendations for mechanical and rotating equipment; review vendor quotations, data sheets, and drawings for compatibility with the intended design
• Perform QA/QC reviews of drawings and cross‑discipline deliverables to verify safe, code‑compliant designs that align with project objectives
• Incorporate company standards, client and municipal requirements, and applicable regulatory codes into project deliverables
• Respond to RFIs, technical queries, design changes, and construction issues throughout the project lifecycle with clear, timely technical guidance
• Conduct field assessments and walkdowns, and review site‑specific geotechnical, survey, and civil information to support design development
• Provide engineering support during construction, commissioning, and startup, including punch list resolution and as‑built documentation

QUALIFICATIONS:

• GENERAL
• Must be a U.S. citizen or permanent resident
• Candidates should be prepared to participate in a technical interview as part of the selection process
• This is a fully office‑based position
• SKILLS & ABILITIES
• Demonstrated attention to detail and a consistent commitment to technical accuracy and quality
• Strong organizational skills, with the ability to prioritize and manage multiple concurrent projects and deadlines
• Ability to work independently while collaborating effectively with engineers and designers across disciplines
• Adaptable and solutions‑oriented, with strong analytical judgment and problem‑solving skills when priorities, requirements, or schedules change
• Professional written and verbal communication skills, with the ability to work effectively with clients, vendors, and construction personnel

EDUCATION & EXPERIENCE

• Bachelor of Science degree in Mechanical Engineering
• 5+ years of relevant engineering experience, including proficiency in AutoCAD and Microsoft Office Suite
• Preferred, but not required: Professional Engineer (P.E.) license in the State of Texas, or the ability to obtain one