Mechanical Engineer/Project Engineer

About Us NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage and terminal industries throughout the country. We offer individual project services as well as turnkey EPC project implementation.NorthStar possesses the skills and expertise to self-perform the design and installation of civil, structural, mechanical, piping, electrical, and instrumentation systems throughout a broad array of industrial applications.Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us. About this Role NorthStar Energy Services is seeking a Mechanical Engineer / Project Engineer to join our collaborative multidisciplinary team. This dual-role position combines hands-on mechanical and piping engineering with broader project leadership, providing the opportunity to support projects from concept and detailed design through construction, commissioning, and startup. What You'll Do 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 ENGINEERINGDevelop 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 sitesPerform engineering analyses, calculations, and design activities for a broad range of mechanical deliverables, including:Line Sizing CalculationsPipe Support Load Analysis and Nozzle Load EvaluationsPiping Stress and Strain Analysis per applicable codes and standardsEquipment and Piping Layouts for Compressor Stations, Pump Stations, Tank Terminals, and Truck Loading FacilitiesHot Taps, Stopples, and Related Mechanical WorkInterpret and apply applicable codes and standards for gathering, transmission, distribution, petrochemical, and related energy systemsDevelop and review specifications, data sheets, and equipment selections for rotating and fixed equipment, including:Pressure Vessels, Drums, Tanks, Filters, Mixers, Strainers, and SeparatorsPumps, Compressors, and TurbinesApply knowledge of manufacturing and fabrication methods, including machining, grinding, welding, assembly, and inspection, together with materials engineering, metallurgy, and material selectionProvide independent technical review of project PPFDs, PFDs, and P&IDs for constructability, operability, and multidisciplinary coordinationDevelop and maintain standardized engineering procedures, calculation methods, and design practices that support consistent technical qualityEnsure project compliance with applicable codes and standards, including:Title 49 CFR Parts 190-199, 40 CFR 112, 40 CFR 264ASME BPVC-VIII Pressure VesselAPI 620, API 650, API 12C Tank DesignPiping Design Systems, ASME B31.3, B31.4, B31.8API 610 Pumps, Centrifugal Pumps (1 hp to 10,000 hp)API 674/675/676, Positive Displacement PumpsAPI 682, Shaft Sealing Systems for Centrifugal and Rotary PumpsMechanical Seal Design SystemsAPI 520/521 Pressure Relief DevicesPROJECT ENGINEERING & DELIVERABLE MANAGEMENTServe as Project Engineer for assigned projects, with responsibility for scope, schedule, budget, and coordinated technical execution across engineering disciplinesCoordinate multidisciplinary deliverables and serve as the primary day-to-day technical point of contact for the clientDevelop and maintain core project documentation, including design basis documents, scopes of work, deliverable lists, and progress reportsSupport 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 designPerform QA/QC reviews of drawings and cross-discipline deliverables to verify safe, code-compliant designs that align with project objectivesIncorporate company standards, client and municipal requirements, and applicable regulatory codes into project deliverablesRespond to RFIs, technical queries, design changes, and construction issues throughout the project lifecycle with clear, timely technical guidanceConduct field assessments and walkdowns, and review site-specific geotechnical, survey, and civil information to support design developmentProvide engineering support during construction, commissioning, and startup, including punch list resolution and as-built documentation What You'll Bring GENERALMust be a U.S. citizen or permanent residentCandidates should be prepared to participate in a technical interview as part of the selection processThis is a fully office-based positionSKILLS & ABILITIESDemonstrated attention to detail and a consistent commitment to technical accuracy and qualityStrong organizational skills, with the ability to prioritize and manage multiple concurrent projects and deadlinesAbility to work independently while collaborating effectively with engineers and designers across disciplinesAdaptable and solutions-oriented, with strong analytical judgment and problem-solving skills when priorities, requirements, or schedules changeProfessional written and verbal communication skills, with the ability to work effectively with clients, vendors, and construction personnelEDUCATION & EXPERIENCEBachelor of Science degree in Mechanical Engineering5+ years of relevant engineering experience, including proficiency in AutoCAD and Microsoft Office SuitePreferred, but not required: Professional Engineer (P.E.) license in the State of Texas, or the ability to obtain one What You'll Get As a Quanta Services employee, we offer a wide range of benefits to fit your needs.401(k) with immediate matching and vestingFully comprehensive benefits packages; Medical, Dental, VisionYour choice of PPO, HSA, FSAShort-term and long-term benefitsEmployee discounts on consumer goodsEqual Opportunity EmployerQuanta provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.Note: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, working conditions, physical demands, and activities my change or new ones may be assigned at any time with or without notice. Equal Opportunity Employer All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.We are an Equal Opportunity Employer, including disability and protected veteran status. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company’s Human Resources department.Job SummaryCategory: Design/EngineeringPosition Type: Full-Time RegularLocation: US-TX-Houston