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Electrical Engineer III

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LdisArvada, COL5 SeniorApril 18th, 2026

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Opportunity LDIS LLC, a Tetra Tech Company, provides integrated engineering and design solutions for the Energy, Petrochem, Renewables, Water Treatment and Life Sciences markets. Our team meets these changing needs by being a trusted partner to each of our clients. In addition to conventional facility solutions and designs, our projects include Hydrogen Electrolysis, Ammonia Production Facilities, Renewable Natural Gas Processing, Emissions Reduction Studies, Carbon Capture and Sequestration, Wastewater, Pharmaceuticals, and much more. Your Role Electrical Engineers are responsible for supporting design and implementation of electrical systems, and working with software, and various other tools. The Electrical Engineer III is a mid-level engineer who executes electrical engineering design and analysis tasks with moderate supervision. This role supports project delivery by producing quality deliverables, coordinating with other disciplines, and resolving routine technical issues. The Electrical Engineer III is expected to work independently on well-defined tasks, apply engineering standards and codes, and elevate higher-risk or ambiguous issues to senior engineers. Job Responsibilities Ability to lead a discipline engineering team on projects with some guidance; supervise design personnel and other staff specialists. Responsible for electrical engineering and design review. Assist in the development of design standards, specifications, and discipline quality control procedures. Serve as the lead Engineer or technical expert on small to medium projects. Plan and manage the engineering activities on a project. Maintain and comment on the schedule and budget of assigned projects and understand the scope of assigned tasks. Perform power engineering tasks and calculations for processing and heavy industrial, including Oil and Gas, Renewables, Petrochemical and Industrial Wastewater Treatment facilities under the direction and supervision of a Staff Electrical Engineer. Support specification development and research for distribution switchgear, MCCs, panels, motor starters/VFDs, etc. Be competent in oneline and panel schedule development, simple cable tray/conduit layout and fill calculations, cable/wire sizing, CAD drafting. Review vendor submittals and develop wiring diagrams based on vendor drawings. Review work for discrepancies or inconsistencies. Track details of work to discuss with supervisor. Research and resolve issues with all available tools. Develop and improve technical knowledge and skills. Maintain professionalism in relationships with other office and team members. Mentor less experienced engineers, designers and drafters. Plan what needs to be communicated and how to present the information effectively. Seek out company and client technical standards and implement them on projects. Travel when requested. Make site visits to observe during construction and operation. Design lighting layouts, luminate selection, and circuit switching. Follow QA/QC procedures; complete self-checks before submitting work for review. Maintain organized project files, calculations, and design assumptions in accordance with document control requirements. Contribute to lessons learned and continuous improvement of templates and standards. Qualifications Bachelor's degree in Electrical Engineering or similar ABET accredited engineering degree and relevant experience. 7-10+ years’ experience. Course work in power engineering. Engineer-in-Training (EIT) certification required. Professional Engineer status preferred in home state. NCEES Registration. Working understanding of the National Electrical Code and NFPA 70E. Ability to create and understand One-Line Diagrams and Control Schematics. Proficiency with engineering tools such as ETAP / SKM. Proficient knowledge of symmetrical components, fault current calculations, and machine theory. Ability to work with supervisor to effectively complete routine tasks. Capable of breaking a task into one or more component parts and sequencing those parts effectively. Experience with medium voltage systems and protective devices (exposure level). Construction/commissioning support experience (site walkdowns, RFIs, as-builts). Execute practical and constructable design solutions. Solid understanding of the scope, schedule and budget assigned for engineering tasks. Self-starter with the ability to work with more experienced electrical engineers to apply standard textbook electrical design and analysis approach. Efficiently execute design from concept through completion. Ability to logically organize work and delegate tasks to junior team members. Collaborate with electrical and other discipline team members on various projects. Offer suggestions and corrections on organization and planning issues. Work through conflict to keep tasks moving forward. Familiar with the “business” of electrical engineering as well as the technical design issues. Strong verbal and written communication skills that are well organized and persuasive. Proficient in MS Office Suite, such as Word and Excel. Target Salary Range $124,000 to $155,000. Tetra Tech considers various factors in determining pay, including but not limited to: education, relevant and demonstrated work experience in the role, skills, geographic location, qualifications, certifications, and other competencies relevant to the needs of the business. Physical Requirements Constantly required to sit, stand, walk, stoop, kneel, bend, and reach with hands and arms. Constantly use hands to keyboard or type, handle materials, or manipulate objects. Light work that includes lifting and/or moving up to 20 pounds and, occasionally, up to 50 pounds. Frequently moving about to accomplish tasks. Specific vision abilities required: close vision, depth perception and ability to adjust focus. Sufficient clarity of speech and hearing abilities required: discern verbal instructions and communicate effectively in person and by telephone. Requires composure and ability to prioritize and handle several urgent tasks and requests simultaneously with a high level of competence and accuracy. Occasionally climb stairs and ladders to read meters at active oil & gas sites. Work Environment / Environmental Factors Work is largely conducted in an indoor office environment but includes exposure to extreme temperatures (cold, heat), fumes, variable weather conditions, outdoor work, and noise due to some travel and work on worksites. Additional Information Position: Full-time, exempt. Work Location: 5620 Ward Rd. Suite 200 Arvada, CO 80002. Hybrid in-office work schedule is offered. Travel: Less than 10%. Benefits Comprehensive and market-competitive benefits. Merit-based financial rewards. Flexibility and company-wide commitment to work/life balance. Collaborative team atmosphere that values the contributions of all employees. Learning and development opportunities for ongoing professional growth. Equal Opportunity Statement Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans. Organization 221 LDI #J-18808-Ljbffr