Engineer III - Transmission Line

Job Summary

Mortenson is currently seeking an Engineer III – Transmission Line responsible for routine engineering assignments involving engineering techniques and principles for high voltage transmission projects up to 500 kV and performing a broad scope of engineering assignments of basic difficulty requiring knowledge in engineering‑related disciplines.

• Work closely with engineering and design team members to coordinate overall design package requirements.
• Develop the design basis philosophy and other aspects of the design, including line routing, structure selection & design, plan & profile drawings, foundation design, hardware & conductor selection, equipment & construction specifications, and all associated calculations on transmission design projects.
• Evaluate, select, and apply standard engineering techniques, procedures, and criteria, using judgment to make adaptations and modifications and providing interpretations and conclusions with support from other Engineers.
• Interface and present to multiple stakeholders (e.g., customer decision makers, project teams).
• Perform data analysis and routine engineering tasks, calculations, and studies to develop preliminary and detailed designs for large and small projects.
• Perform lead technical designer tasks on a few large design projects annually across 69 kV and above scopes.
• Review and approve equipment vendor drawings and test reports on equipment from manufacturers.
• Provide engineering support for proposals, estimating, procurement and construction.
• Conduct project detailed designs aligned with customer requirements and Mortenson’s best‑practice standards.
• Coordinate with other engineering disciplines and Design Phase Managers to deliver design projects.
• Verify that construction matches electrical engineering design drawings, including preparatory meetings and QA/QC.
• Perform routine engineering work requiring applications of standard techniques, procedures, and criteria.
• Assist in the development and evaluation of technical requirements for fabrication and construction tender packages.
• Assist in researching engineering and design issues, evaluating alternatives, making sound recommendations, and presenting them.
• Assist field personnel in resolving unanticipated site conditions.
• Build relationships with diverse backgrounds and organizational levels.
• Mentor and guide other engineering professionals.

• Understanding of discipline‑specific technical designs, QA/QC procedures, and engineering policies.
• Basic knowledge of engineering principles, business standards, practices, procedures, and product/program requirements.
• Project management and analytical problem‑solving skills.
• Working knowledge of or familiarity with software packages: MFAD, AutoCAD, Micro Station, etc.
• Minimum of two (2) years’ design experience with PLS‑CADD and PLS‑POLE software.
• Developing knowledge in transmission line design from 34.5 kV to 500 kV.
• Working knowledge of the T&D industry.
• Active listening skills and effective communication, openness to diverse input and feedback.
• Bachelor’s degree in Civil Engineering or related engineering program.
• Engineering‑in‑Training (EIT) certification or achievement.
• Working knowledge of ASCE Substation Structure Design Guide and NESC code requirements and transmission & structure design.
• Ability to travel up to 10 %.

• Medical and prescription drug plans that include no additional cost vision coverage.
• Dental plan.
• 401(k) retirement plan with a generous Mortenson match.
• Paid time off, holidays, and other paid leaves.
• Employer‑paid life, AD&D, and disability insurance.
• No‑cost mental health tool and concierge with extensive work‑life resources.
• Tuition reimbursement.
• Adoption assistance.
• Gym membership discount program.

The base pay range for this role is $93,400 – $126,100. (Actual range is higher for the following office locations: Denver, CO and Chicago, IL – 5%; Seattle, WA, and Portland, OR – 10%; Washington, D.C. – 12.5%). Base pay is positioned within the range based on several factors including knowledge, skills, and experience, with consideration given to internal equity.

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