171 business services jobs found in Irvine, CA

Senior Substation Engineer Location: Irvine, CA (Hybrid) Job Type: Full-Time About the Opportunity We are seeking a Senior Substation Engineer to join a growing engineering team supporting high profile utility and power infrastructure projects. This position is ideal for an experienced engineer who thrives in a collaborative environment and enjoys leading the technical design and execution of complex transmission and distribution substation projects. You will play a key role in delivering innovative engineering solutions while mentoring junior engineers, collaborating with multidisciplinary teams, and ensuring projects are completed with the highest standards of quality, safety, and technical excellence. Key Responsibilities Lead the engineering design and technical execution of transmission and distribution substation projects from concept through construction support. Develop project execution plans and oversee technical deliverables throughout the project...

Senior Substation Engineer Location: Irvine, CA (Hybrid) Job Type: Full-Time About the Opportunity We are seeking a Senior Substation Engineer to join a growing engineering team supporting high profile utility and power infrastructure projects. This position is ideal for an experienced engineer who thrives in a collaborative environment and enjoys leading the technical design and execution of complex transmission and distribution substation projects. You will play a key role in delivering innovative engineering solutions while mentoring junior engineers, collaborating with multidisciplinary teams, and ensuring projects are completed with the highest standards of quality, safety, and technical excellence. Key Responsibilities Lead the engineering design and technical execution of transmission and distribution substation projects from concept through construction support. Develop project execution plans and oversee technical deliverables throughout the project...

Civil Engineering Staff/Engineer-in-Training - Urban Development (2) Role Description: Huitt-Zollars has a great full-time opportunity for a Civil Engineering Staff/EIT at our Irvine office. The Civil EIT will work directly with a Professional Engineer to develop professional technical expertise and knowledge necessary to fulfill the experience requirement for licensure as a Professional Engineer. Location : Irvine, California Employment Type: 40 FT Hours Compensation Type: Salary Registration(s): Registered Engineer-In-Training, or working towards an EIT Education: Bachelor's Degree in Civil Engineering (BSCE) Duties: Regular design and professional development training provided by the Company. Prepare construction plans for private and public development projects. Assist design team and project managers with of all aspects of land development design. Research materials and assemblies for design and construction drawings as directed by supervisor....

Job Type Full-time Description EwingCole is a nationally recognized architecture, engineering, interior design and planning firm with offices across the country. Our multi-disciplinary practice is built on the core values of professional excellence, design quality and collaboration. We are seeking an Electrical EIT 1 to join our Irvine office. The Electrical EIT 1 works with Project Engineers on multiple design and documentation tasks while gaining experience toward their P.E. Essential Functions Document project design utilizing CAD and BIM Confer with project team members and other engineering personnel and prepares design modifications as required. Perform construction administration tasks (site visits, submittal reviews, RFI's, field changes). Perform code research and establish project design criteria. Attend seminars and continuing education programs. Participate in design, analysis and documentation training as listed in the Discipline Training Guidelines....

Job Type Full-time Description EwingCole is a nationally recognized architecture, engineering, interior design and planning firm with offices across the country. Our multi-disciplinary practice is built on the core values of professional excellence, design quality and collaboration. We are looking for an Fire Protection Engineer to join our team in our Irvine office. The Fire Protection Engineer provides design assistance to Fire Protection Engineer and other Project Engineers and Architects for life safety, fire protection systems design and code analysis. Essential Functions Prepare Code Studies for complex projects and support Project Architect (PA) performed Code Studies for other projects. Prepare Life Safety Plans for complex projects and support Project Architect (PA) performed Life Safety Plans for other projects. Prepare Fire Suppression and Fire Alarm contract documents for complex projects and support Plumbing and Electrical Engineers for other projects....

Location: Costa Mesa, California, USA Employment Type: Full-Time Work Arrangement: On-site Start Date: Immediate Compensation: TBD -- based on skills and experience Important Screening Requirements Must be a U.S. Citizen or U.S. Permanent Resident (Green Card holder) . Must be eligible to obtain and maintain a U.S. Department of Defense (DoD) Secret Security Clearance . Candidates should have a strong interest in supporting U.S. defense and national security programs. About the Role We are seeking a Mechanical Engineer to support the design, integration, and development of advanced air vehicle platforms. In this role, you will be responsible for designing mechanical systems, integrating electrical and mechanical subsystems, and collaborating with multidisciplinary engineering teams to deliver innovative aerospace solutions. The ideal candidate has a strong background in mechanical design, aircraft integration, and manufacturing processes, with a...

WHAT YOU'LL DO: Develop and integrate hardware on unmanned air vehicles Own designs from concept generation to real world use Use first principles physics as a basis for every decision Lead design reviews, run analysis, visit vendors, define and execute hardware test plans Build prototypes, analyze failures, and transition successful projects into production Support critical hardware demonstrations with customers as needed Travel to test sites as needed REQUIRED QUALIFICATIONS: 5+ years of mechanical engineering experience Advanced Air Vehicles Programs Experience integrating electrical and mechanical subsystems into advanced air vehicles Experience designing mechanical parts (CAD). Understanding of manufacturing methods (machining, sheet metal, composites, 3D printing, injection molding, composite lamination, etc) High competence with, and fluid use of, engineering first principles BS or higher degree in Mechanical, Aerospace, or Electrical Engineering Eligible...

ABOUT THE TEAM The Air Dominance and Strike Mechanical Engineering Team is responsible for designing and integrating advanced hardware for Group 5 air vehicles and missile platforms . Air Dominance and Strike Mechanical Engineers own the full development lifecycle , from concept generation, to integration and flight test, ensuring high-performance, resilient, and scalable mechanical systems that meet the demands of complex, contested environments. WHAT YOU'LL DO: Develop and integrate hardware on unmanned air vehicles Own designs from concept generation to real world use Use first principles physics as a basis for every decision Lead design reviews, run analysis, visit vendors, define and execute hardware test plans Build prototypes, analyze failures, and transition successful projects into production Support critical hardware demonstrations with customers as needed Travel to test sites as needed REQUIRED QUALIFICATIONS: 5+ years of mechanical engineering...

Find your path and enjoy the journey at Haley & Aldrich. With us, you'll tackle clients' most meaningful challenges in the built and natural environments - and, in turn, build stronger communities. You'll work with teams of passionate colleagues, driven by a commitment to technical excellence and continuous learning. As a company, we aim to build a world where communities go beyond resilience, embracing change as an opportunity to enhance safety, well-being, and quality of life. Join us to accelerate this vision and your professional development. We are looking to add new talent to our growing team! We are currently seeking a Senior Environmental Engineer 1 towork in a technical support role with highly skilled professionals on diverseproject teams in a dynamic environment. This is an excellent opportunity tojoin a growing group and company and get involved in a variety of projects fora diverse range of clients. This is a full-time hybrid position located in our Costa...

Job Description General Job Description: This position is responsible for independently delivering engineering services, from conceptual design through construction completion. Essential Duties & Responsibilities Complete project planning, coordination, and execution with some oversight Independently complete conceptual design through construction drawing development for large complex project or multiple projects simultaneously Appropriate engagement of engineering applications and/or managers in project decisions Proactively communicate and coordinate project designs with Project Management, Construction and Service departments, Controls, and other trade partners Field engineering: assist with project execution, trade coordination, scheduling, document management and problem solving/troubleshooting, as required Effectively and professionally communicate with colleagues and project team members Manage time to meet project schedules and task deadlines Strong...

Job Description General Job Description: This position is responsible for independently delivering engineering services, with a proven track record of excellence from conceptual design through construction completion. Essential Duties & Responsibilities Expert in project planning, coordination, and execution Independently complete conceptual design through construction drawing development for large complex project or multiple projects simultaneously Appropriate engagement of engineering applications and/or managers in project decisions Proactively communicate and coordinate project designs with Project Management, Construction and Service departments, Controls, and other trade partners Field engineering: assist with project execution, trade coordination, scheduling, document management and problem solving/troubleshooting, as required Effectively and professionally communicate with colleagues and project team members Expert level understanding of building...

Job Title: Senior Project Manager Department: Civil Engineering Reports To: Director / Managing Director FLSA Status: Exempt POSITION SUMMARY The Senior Project Manager is a key leader within the Civil Engineering Department, responsible for overseeing a sub department of Project Managers, engineers, designers, and technical staff. This role ensures operational excellence, technical quality, project profitability, and staff development across multiple concurrent engineering projects. The Senior PM serves as a strategic partner to the Director, driving project delivery, client satisfaction, business development, and continuous improvement efforts. This position requires advanced civil engineering expertise, strong leadership, and the ability to manage large scale, complex projects while mentoring a growing team. The Senior PM acts with a high degree of independence and leads initiatives that support the company's mission, values, technical standards, and long-term growth....

Job Description: Job Summary The Product Engineer III is responsible for designing, developing, and launching innovative products from concept through production. This role applies advanced engineering principles to create manufacturable, cost-effective, and high-quality products while collaborating with cross-functional teams to improve product performance, manufacturing efficiency, and continuous innovation. Key Responsibilities: Lead new product development (NPI) projects from concept through production. Apply Design for Manufacturing (DFM), Design for Assembly (DFA), and Value Engineering principles. Develop and maintain 3D CAD models, engineering drawings, Bills of Materials (BOMs), and product specifications. Perform structural analysis, FMEA, material selection, and product validation testing. Support prototype builds, evaluate manufacturability, and implement design improvements. Collaborate with Product Development, Manufacturing, Supply Chain, Quality,...

Scientific Applications & Research Associates, Inc. (SARA) is a world-class Defense Research and Development enterprise, with a charter to create new and emerging technology innovations in support of Commercial & Government organizations. We are world leaders in RF, EMP, Pulsed Power, Acoustics and Signal Processing; partnering with our customers to address real world problems with cost effective solutions... that work. The Artificial Perception and Threat Awareness (APTA) division at Scientific Applications & Research Associates, Inc. (SARA) is making the future of Aerospace and Autonomy happen now, with a charter to create new and emerging sensor perception technologies for Commercial & Military markets. Our innovative technologies include RF, optical and acoustic sensors enabled with innovative embedded algorithms, machine learning and robust networking. The APTA division is looking for an exceptionally talented, motivated, and creative Research and Development...

Raymond West is looking for a Principal Project Engineer to join our winning team! The Principal Project Engineer will support the development of complex integrated solution proposals in the capacity of Subject Matter Expert through award, execution, and after installation management. The Principal Project Engineer also successfully defines workflows, jobs, and reporting relationships to obtain optimum effectiveness. Impact of decisions on business operations can have a moderate to high level of impact. May evaluate and recommend changes in methods or procedures in own area of responsibility. Identifies resource needs and may develop justification. Troubleshoots and resolves complex problems. May be responsible for overall success of function or project. Raymond West is committed to providing our customers with end-to-end warehouse solutions. We bring you our industry-leading expertise in lift trucks, racking, conveyor, dock and door, rentals, parts, and service. Our customers...

About Us We provide clients full-service electrical preconstruction and construction services, including electrical systems design, alternative energy and energy-management systems, technology services, and facilities-maintenance services. Job Summary Job Title: Project Engineer Department: Operation Services Location: Los Alamitos, CA Reports to: Project Manager FLSA Status: Non-Exempt Salary Range: $54K-$80K Prepared Date: 6-17-2026 Work Authorization: United States (Required) About Us: KDC Inc. and KDC Systems is a wholly owned subsidiary of EMCOR Group, Inc. EMCOR is the world's leading provider of mechanical and electrical construction and facilities services, including planning, consulting, operations and maintenance. KDC Inc. is a leader in complex, fully integrated design/build electrical services. Our project teams include specialists in the design, installation, commissioning and maintenance of tele-data communications, audio/video,...

Mechanical Flight Controls Design Engineer Level 4 | Seal Beach, California, United States [About the Role] Join Indotronix as a Mechanical Flight Controls Design Engineer Level 4 and take your aerospace career to new heights. Based onsite in Seal Beach, CA, you will play a critical role in advancing the safety, performance, and reliability of commercial aircraft flight control systems. Collaborate closely with cross-functional teams and industry experts, lead high-impact projects, and contribute to the continued operational safety of aircraft in service. This is an excellent opportunity for experienced engineers seeking new challenges and career growth. [Responsibilities] - Act as Responsible Engineer for Continued Operational Safety Program (COSP) and Safety Related Problem (SRP) projects in partnership with the Chief Program Engineer office - Deliver innovative design solutions for in-service fleet issues, supporting BCA Production, BGS Modifications, Boeing Converted Freighter...

About Legence Legence (Nasdaq: LGN) is a leading provider of engineering, consulting, installation, and maintenance services for mission-critical systems in buildings. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Legence also delivers long-term performance through strategic upgrades and holistic solutions. Serving some of the world's most technically demanding sectors, Legence counts over 60% of the Nasdaq-100 Index among its clients. Electrical Engineer - Consulting Engineering Multiple Locations Available Nationwide | Hybrid Work Options Legence is seeking Electrical Engineers with consulting engineering experience to join our growing teams across our portfolio of operating companies nationwide, including P2S and CMTA. This role may be filled at the Electrical Engineer...

Company Description About Us KPFF Special Projects Division Since 1996, KPFF's Special Projects Division has been at the forefront of addressing specialized challenges in project development. With over 150 team members in three offices strategically located in Long Beach, CA, Tacoma, WA, and Seattle, WA, our approach combines dedicated project managers, a skilled technical team, and a commitment to innovation. We offer a comprehensive range of services including civil, structural, and mechanical engineering, machinery design, construction and project management, and planning services. We specialize in the management and design of heavy civil, structural, industrial, and waterfront infrastructure projects across the United States. Our team thrives on solving unique, multi-disciplinary challenges, collaborating closely with clients such as the Ports of Long Beach, Los Angeles, Tacoma, and Seattle, as well as various municipalities and government agencies. Join us at KPFF...

About Us We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary This position involves planning, organizing, coordinating, directing and controlling all contract functions between Mesa Energy Systems and our client for small Automation projects and assisting Project Managers for larger Automation projects. This position will include oversight and application of Automation Programming and Engineering standards Essential Duties & Responsibilities • Develop and maintain project schedules • Create and manage design submittals, RFI's and change orders • Work with the Automation Manager to create, review and edit required quality control documents • Manage engineers,...