Jobs › Leidos

Senior Transmission Line Engineer

Leidos · Chicago, IL · $73,450–$132,775 a year · Full time

Posted May 4, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about an infrastructure replacement project you worked on. What made it difficult?

What they are checking: Whether they have handled work on existing lines with outage and access constraints.

Tell me about a time you worked with a client utility engineer who had strong preferences.

What they are checking: Whether they can meet utility standards and preferences while keeping designs sound.

Where are you on the path to your PE, and how are you preparing?

What they are checking: Whether they are progressing beyond the EIT requirement toward professional licensure.

What would you do

A construction manager says a structure location can't be reached with equipment. What do you do?

What they are checking: Whether they can adjust design for constructability while staying within code.

You find an error in a drawing that's already been issued for construction. What do you do?

What they are checking: Whether they report and correct errors promptly through a formal revision.

About the work

Walk me through the main design steps for a voltage conversion project.

What they are checking: Whether they understand the clearance, insulation and structure changes a voltage conversion requires.

How do you calculate sag and tension, and what conditions control your design?

What they are checking: Whether they understand conductor behavior under ice, wind and high temperature.

How do you apply ASCE and ACI standards in transmission structure and foundation design?

What they are checking: Whether they know the structural standards the posting lists, not just the NESC.

What goes into a good bidding package for a transmission line project?

What they are checking: Whether they can prepare clear plans and specs that contractors can price accurately.

How do you work with surveyors and LiDAR data when modeling an existing line?

What they are checking: Whether they can build accurate models from survey data and spot data problems.

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The full job description

As published by Leidos.

We are seeking a Senior Transmission Line Engineer who will work as members of a dynamic team working in a fast-paced environment, solving challenging problems involved with electric transmission. The successful candidate will serve as an Engineer on electric transmission line design projects for high-voltage (HV) and extra high-voltage (EHV) overhead and underground systems for some of the largest utilities in the country. They will apply NESC, ASCE, ACI and other applicable standards in the engineering and design of electrical overhead and underground systems, voltage conversion projects, new capacity projects, and infrastructure replacement projects. Additionally, they will perform engineering analyses, prepare bidding documents, draft plans and specifications, and prepare material procurement and construction documents. This will involve working with a multi-person Leidos team and interfacing with clients, project planning, environmental, permitting, and construction management personnel. Work Location: Downtown Chicago (hybrid). Relocation assistance can be provided to a qualified candidate. Minimum Knowledge, Skills, and Abilities (KSAs): • Bachelor’s degree in civil or mechanical engineering with a minimum of four (4) + years of relevant experience in the design of electric utility transmission systems. • Engineer-in-Training (EIT) certification. • Experience in reviewing full transmission line designs including PLS-CADD models, foundations, material, plan and profiles, and construction packages • Knowledge of NESC, ACI, AISC, and ASCE code requirements; construction specifications; material procurement process; project schedules; and construction work packages. • Develop project scopes, budgets, and proposals • Ability to work effectively in team environment but also able to work independently • Proven ability to communicate with clients and project teams • Work in client office is a possibility and/or periodic travel may be required (up to 10-15%) • Program Expertise: • Expert-level proficiency in PLS-CADD and experience with POLE. • Experience with foundation analysis software such as LPILE or FAD Tools. • Microsoft Office (Word, Excel, PowerPoint) Preferred Experience: • Professional Engineer (PE) License. • Experience with GO95 standards (if working in applicable regions). • Experience with Construction Management and Support. • Program Experience: • PLS TOWER • Bentley MicroStation • Bentley ProjectWise • Mathcad • Autodesk AutoCAD Why Leidos: At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. We value and support the well-being and mobility of our employees with competitive benefit packages, complementary e-learning training, work-life flexibility, an exciting External Referral Program, and a diverse, inclusive, and ethical workplace. Our recognition as an industry leader is confirmed by the latest national rankings by Engineering News- Record (ENR) ranking Leidos within the Top 10 T&D Firms, and Top 10 Power Firms. If this sounds like the kind of environment where you can thrive, share your resume with us today! PDSTLINE PowerDelivery If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: December 11, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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