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19 senior principal mechanical engineer jobs found

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SA
Aug 05, 2026
Full time
Mechanical Procurement Engineer Senior Principal
Science Applications International Corporation Remote (New York, NY)
Job Description We are seeking a highly experienced and technically skilled Mechanical Procurement Engineer Sr. Principal to join our team. In this senior-level role, you will serve as a critical bridge between our engineering programs and supply chain organization, applying deep technical expertise in mechanical systems to drive strategic procurement decisions in support of build-to-print and prototype mechanical assemblies for the Department of Defense (DoD). You will work closely with program engineers, designers, and Procurement Buyers/Supply Chain Administrators (SCAs) to ensure the successful sourcing, negotiation, and acquisition of machinery, equipment, and materials necessary to meet program objectives. This is a high-impact, highly autonomous role that requires exceptional technical judgment, strategic thinking, and the ability to solve complex procurement and engineering challenges with innovative solutions. What You Will Do: Technical Procurement &...
AT
Aug 05, 2026
Full time
Mechanical/HVAC Engineer III (Senior)
$100,000 yearly
AHU Technologies, Inc. Remote (United States)
Benefits: 401(k) Competitive salary Dental insurance Paid time off Relocation bonus Tuition assistance Vision insurance Position: Mechanical/HVAC Engineer III (Senior) Location: Akron, Ohio Work Type: Hybrid Years of Experience: 10+ years (Industrial HVAC required) Job Type: Full-time, Direct Hire Position Overview Seeking a senior-level Mechanical/HVAC Engineer III to lead complex industrial HVAC design projects across chemical, manufacturing, and industrial facilities. This role requires deep technical expertise, leadership capability, and the ability to independently manage projects while mentoring junior engineers. Core Responsibilities Lead HVAC engineering and design for complex industrial projects Develop advanced HVAC systems, including process ventilation and hazardous area pressurization Perform detailed load calculations, system analysis, and equipment selection Prepare and review engineering drawings,...
AT
Aug 05, 2026
Full time
Mechanical/HVAC Engineer I - Akron, Ohio
$60,000 - $79,000 yearly
AHU Technologies, Inc. Remote (United States)
Benefits: 401(k) Competitive salary Dental insurance Paid time off Relocation bonus Tuition assistance Vision insurance Position: Mechanical/HVAC Engineer I Location: Akron, Ohio Work Type: Hybrid Years of Experience: 1-4 years (Industrial HVAC preferred) Job Type: Full-time, Direct Hire Position Overview Seeking a Mechanical/HVAC Engineer I to support industrial HVAC engineering and design projects across chemical, manufacturing, and industrial facilities. This entry-level role is ideal for early-career engineers looking to develop technical expertise in HVAC systems while working under the guidance of senior engineers in a collaborative environment. Core Responsibilities Assist in HVAC system design for industrial facilities Support development of ventilation and pressurization systems for process areas Perform basic heating and cooling load calculations Assist in equipment selection and sizing Prepare and update...
KP
Aug 05, 2026
Full time
Distinguished Engineer, Reactor Systems
Kairos Power Remote (United States)
Company Overview Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world's transition to clean energy, with the ultimate goal to dramatically improve people's quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables. Job Summary The Reactor Systems department is seeking a highly accomplished Distinguished Engineer to provide senior technical leadership across reactor system design, integration, analysis, testing, qualification, and deployment for Kairos Power's fluoride-salt-cooled, high-temperature reactor technology. This role will establish the long-term technical vision, engineering strategy, and architectural direction for reactor systems to ensure that reactor system designs...
SE
Aug 05, 2026
Full time
Sr Civil Engineer
Signal Energy Remote (United States)
Signal Energy's SR Civil Engineer leads all technical work and assists in engineering management for assigned projects from RFP receipt through Issued for Construction ("IFC") plan sets. The SR Civil Engineer is responsible for understanding design criteria and coordinating internal and external Engineers of Record ("EOR"), with an understanding of impacts to other disciplines to ensure development of complete, cohesive design documentation that clearly communicates how each project should be built. This role is responsible for driving Signal Energy's Basis of Design through Issued-For-Construction (IFC) plan sets to ensure civil designs meet or exceed scope, schedule, budget, constructability, and safety expectations. The Civil Engineer supports both Engineer-of-Record (EOR) led, and in-house civil design projects, contributing to the development, coordination, and delivery of complete and constructible civil design packages. The role integrates site-specific conditions,...
SE
Aug 05, 2026
Full time
Principal Engineer, Civil
Signal Energy Remote (United States)
Signal Energy's Principal Engineer, Civil / Structural will serve as the subject matter expert and primary technical lead for Signal Energy's PV and BESS civil and structural engineering efforts. Additionally, this role is accountable for developing and implementing civil/structural design standards and processes, growing, mentoring and managing the civil/structural design team and collaborating across disciplines to ensure our construction teams have constructable designs on time and in full compliance with client and regulatory requirements. Reports to: Director of Engineering Location/Travel: Remote or Chattanooga, TN; periodic travel for client meetings, project site visits, and industry events Essential Duties and Responsibilities: Oversee all civil/structural engineering efforts to ensure deliverables are submitted on time, comply with client and regulatory requirements, meet quality standards, and align with budget and constructability expectations Conduct and...
ES
Aug 05, 2026
Full time
Principal Mechanical Engineer
EC Source Remote (United States)
Overview We are seeking a highly experienced and technically skilled Principal Mechanical Engineer to lead mechanical engineering efforts within our Major Projects Power Delivery division. This role is responsible for providing strategic technical leadership and oversight for mechanical systems associated with substations, transmission lines, and grid infrastructure . As a key member of our engineering leadership team, the Principal Mechanical Engineer will guide multidisciplinary project teams, ensure design excellence, and support the development of innovative, reliable, and cost-effective solutions that advance grid modernization and energy transition initiatives. Responsibilities Serve as the technical authority and discipline lead for all mechanical engineering aspects of power delivery projects. Oversee and review the design of HVAC systems, oil containment, cooling systems, piping, conduit supports, equipment enclosures, and other mechanical...
ES
Aug 05, 2026
Full time
Principal Structural Engineer
EC Source Remote (United States)
Overview As one of the nation's leading electric transmission line construction companies, MasTec Power Delivery companies engineer and construct efficient and reliable electrical transmission, distribution, and substation & switchyard systems. Our extensive workforce includes both union and nonunion teams, which, combined with our specialized equipment fleet, allows us to effectively meet our clients' needs for power delivery, emergency restoration, and ongoing maintenance. We've been involved in some of the most challenging and recognizable electric projects across the U.S. From the electric plant to the end users, MasTec's experienced managers and crews consistently deliver transmission, distribution, and substation & switchyard services with an unfailing commitment to safety, integrity, and sustainable practices. The Structural Engineer will oversee structural design teams in delivering high-quality designs for a wide range of new construction, renovation, and...
RV
Aug 05, 2026
Full time
Principal Power Systems Engineer
$140,000 - $165,000 yearly
RavenVolt, Inc Remote (Cumming, GA)
Position Overview We are seeking a highly accomplished, technical Principal Power Systems Engineer with a minimum of 10 years of progressive experience in complex industrial power systems and/or utility-scale renewable generation infrastructure. This is a fully remote role designed for an independent, elite technical authority who can drive high-level engineering decisions from anywhere in the country, with minimal travel (approximately 10%) reserved only for critical project milestones. In this role, you will serve as the final technical authority and engineer in responsible charge for comprehensive power systems analysis, protective relaying design, and infrastructure specification. The ideal candidate brings deep technical expertise in low-voltage (LV) and medium-voltage (MV) switchgear configurations, advanced power system modeling, and complex overcurrent and differential protective coordination schemes. Pay: $140,000 - $ 165,000 The pay listed is the salary range...
AH
Aug 05, 2026
Full time
Principal Engineer, Civil
Applied High Voltage Remote (United States)
Signal Energy's Principal Engineer, Civil / Structural will serve as the subject matter expert and primary technical lead for Signal Energy's PV and BESS civil and structural engineering efforts. Additionally, this role is accountable for developing and implementing civil/structural design standards and processes, growing, mentoring and managing the civil/structural design team and collaborating across disciplines to ensure our construction teams have constructable designs on time and in full compliance with client and regulatory requirements. Reports to: Director of Engineering Location/Travel: Remote or Chattanooga, TN; periodic travel for client meetings, project site visits, and industry events Essential Duties and Responsibilities: Oversee all civil/structural engineering efforts to ensure deliverables are submitted on time, comply with client and regulatory requirements, meet quality standards, and align with budget and constructability expectations Conduct and...
EC
Aug 05, 2026
Full time
Pipeline / Instrumentation & Controls Principal Engineer
$140,000 - $180,000 yearly
E2 Consulting Engineers, Inc. Remote (Los Angeles, CA)
About the Organization E2 Consulting Engineers, LP (E2) is a professional services firm established in 1988 specializing in a full spectrum of engineering services including, project engineering and design, federal base operations and infrastructure support services, gas pipeline construction and inspection services, environmental consulting and remediation, and information technology services. At E2, we value safety, innovation and collaboration, and we are dedicated to excellence. Overview E2 is seeking a Pipeline / Instrumentation & Controls Principal Engineer to support natural gas utility and energy infrastructure projects throughout Southern California. This position will support the planning, design, execution, and commissioning of pipeline, distribution regulator station, gas control, automation, and remote monitoring projects. The engineer will work directly with clients, project managers, design teams, construction personnel, equipment vendors, and other...
II
Aug 05, 2026
Full time
Substation Protection & Control Engineer - REMOTE
$89,261 - $183,610 yearly
ICF International, Inc. Remote (Los Angeles, CA)
Title: Substation Protection & Control Engineer (Remote) Location: Remote US Ready to make a difference? ICF is seeking a Substation P&C Engineer, to work on the design of relay and protection and control projects on high voltage substations at voltages from 12kV to 500kV with the goal of providing excellent quality work for our clients. We are a relentlessly client-focused group who are re-imagining, re-designing, and re-engineering the way electric utilities tackle industry problems. We are seeking passionate and innovative people who are constantly looking for ways to provide better quality engineering services for our clients. Why you will love working here: Quality of life: Fully remote, flexible schedule, work-life balance Investment of the community: Donation matching, volunteer opportunities Investment in you: Tuition reimbursement, access to professional development resources, 401k matching, Employee Stock Purchase Plan And many, many more...
KD
Aug 05, 2026
Full time
Power Systems Engineer - Remote
K2M Design Inc. Remote (United States)
Job Type Full-time Description We are looking for positive contributors to our culture , that are passionate about meeting the demanding needs of our clients, and add value and impact through expertise - all in turn contributing to the growth of K2M. If you are a Power Systems Engineer , with specific experience doing Arc Flash Studies and SKM software , and believe in Building Relationships Based on Trust and Results - we need you! Position Summary : As an Electrical Engineer, your main responsibility will be for design, development, implementation, and analysis of electrical designs and systems. For the Arc Flash program, you will be responsible for streamlining and formalizing our program requirements and processes. Responsibilities : Collects and prepares data/information and performs engineering calculations. Responsible for the production of drawings that are of high quality consistent, complete, and accurate. Develops technical specifications & data sheets....
Ul
Aug 05, 2026
Full time
Principal Transmission Line Engineer (Remote)
$155,500 - $210,300 yearly
Ulteig Remote (United States)
The Opportunity Ulteig is currently seeking talented and motivated candidates for a Principal Transmission Line Engineer role supporting, managing, and leading transmission & distribution projects across both Power and Renewable lifelines. This critical role will have responsibility for design and/or coordination of High Voltage (69kV-500kV) transmission lines utilizing the PLS-CADD software, as well as developing the team and acting as a primary client-facing Subject Matter Expert (SME) to help grow our team. What You'll Do The ideal candidate has excellent problem solving skills; uses advanced techniques, theory, precepts and practices to complete complex high voltage and extra high voltage electric transmission line project assignments. They will adapt and modify standard techniques to solve multifaceted problems and provide expert consultation for the design, development and implementation of technical plans and systems used in the construction of high voltage...
AT
Apr 25, 2026
Full time
Civil/Structural Engineering Department Manager
AHU Technologies, Inc. Remote (United States)
Benefits: 401(k) Competitive salary Flexible schedule Health insurance Paid time off Relocation bonus Tuition assistance Position: Civil/Structural Engineering Department Manager Location: Akron, Ohio (Hybrid - minimum 3 days/week on-site) Work Type: Hybrid Years of Experience: 20+ years Job Type: Full-time, Direct Hire Position Overview Seeking an experienced Civil/Structural Engineering Department Manager to lead both technical project execution and departmental operations. This senior leadership role combines hands-on engineering responsibilities with team management, ensuring high-quality project delivery within industrial environments such as chemical, petrochemical, and manufacturing facilities. Core Responsibilities Lead and manage the civil/structural engineering department, including staffing, scheduling, and performance management Serve as Lead Engineer on single and multi-discipline industrial projects Oversee design and...
Ul
Apr 23, 2026
Full time
Principal Transmission Line Engineer (Remote)
$155,500 - $210,300 yearly
Ulteig Remote (United States)
The Opportunity Ulteig is currently seeking talented and motivated candidates for a Principal Transmission Line Engineer role supporting, managing, and leading transmission & distribution projects across both Power and Renewable lifelines. This critical role will have responsibility for design and/or coordination of High Voltage (69kV-500kV) transmission lines utilizing the PLS-CADD software, as well as developing the team and acting as a primary client-facing Subject Matter Expert (SME) to help grow our team. What You'll Do The ideal candidate has excellent problem solving skills; uses advanced techniques, theory, precepts and practices to complete complex high voltage and extra high voltage electric transmission line project assignments. They will adapt and modify standard techniques to solve multifaceted problems and provide expert consultation for the design, development and implementation of technical plans and systems used in the construction of high voltage...
VD
Apr 08, 2026
Full time
Principal Electrical Engineer, NA
Vantage Data Centers Remote (United States)
About Vantage Data Centers Vantage Data Centers powers, cools, protects and connects the technology of the world's well-known hyperscalers, cloud providers and large enterprises. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. The Principal Electrical Engineer, typically reporting to the Electrical Engineering Director, assumes a pivotal leadership role within the Electrical Engineering department. With the potential to lead project-specific teams and play a crucial role in achieving project objectives, this role leads project-specific engineering and design tasks, ensuring strict adherence to project goals and requirements. Highly skilled in project engineering and design work, the Principal Electrical Engineer handles complex and high-impact...
II
Mar 20, 2026
Full time
Distribution Substation Protection & Control Engineer - REMOTE
$81,499 - $167,644 yearly
ICF International, Inc. Remote (Cincinnati, OH)
Title: Distribution Substation P&C Engineer (Remote) Location: Remote US Ready to make a difference? ICF is seeking a Distribution Substation Protection & Control Engineer, to work on the design of relay and protection and control projects on distribution substations at voltages from 12kV to 69kV with the goal of providing excellent quality work for our clients. We are a relentlessly client-focused group who are re-imagining, re-designing, and re-engineering the way electric utilities tackle industry problems. We are looking for passionate and innovative people who are constantly looking for ways to provide better quality engineering services for our clients. Why you will love working here: Quality of life: Fully remote, flexible schedule, work-life balance Investment in the community: Donation matching, volunteer opportunities Investment in you: Tuition reimbursement, access to professional development resources, 401k matching, Employee Stock...
CI
Jan 31, 2026
Full time
Mechanical Staff Engineer II
CESO, Inc. Remote (Cleveland, OH)
Are you seeking purpose, challenge, and talented colleagues? With a diverse portfolio of commercial, retail, hospitality, multi-family, and light industrial programs, CESO has the opportunity for you to develop your career. We develop leaders and empower our associates to use their skills and talents to positively impact the world through service - to our coworkers, clients, and communities. We subscribe to the mission of "finding purpose through serving others," so if this speaks to you, let's connect! At CESO, the Mechanical Staff Engineer II is proficient in basic engineering practice which helps the senior design staff execute projects by performing basic duties including technical design and calculations, document production, and all other necessary project duties to complete projects on time, within budget and consistent with industry production and care standards. Primary Responsibilities Learn how to communicate design requirements effectively with internal and...
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