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Senior Underground Transmission Line Engineer 2 - Grid
Company : Sargent &lundy
Location : Cary, NC, 27518
Job Type : Full Time
Date Posted : 12 January 2026
Description
This position will offer you the ability to apply and expand your knowledge of underground transmission line engineering, including routing, duct bank configurations, manhole placement and electrical principles to:
- Design underground transmission lines for voltages up to 500kV.
- Responsible for cost analyses, development of design criteria, siting and routing challenges, and placement of manholes for underground transmission lines.
- Responsible for physical design including duct bank layouts, development of trenchless designs, cable pulling calculations, development of drawing packages.
- Responsible for cable selection studies, determining bonding scheme, performing ampacity calculations.
- Develop riser structure configuration and structural loading.
- Develop specifications including cable procurement, duct bank installation, trenchless installation and general construction specifications.
- Work and coordinate with vendors and clients to specify transmission line components.
- Direct a small project team of other engineers, designers and drafters.
This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days.
Dependent upon your location, this opportunity offers a generous relocation package.
Qualifications
We do not sponsor employees for work authorization in the U.S. for this position.
Essential skills and experience:
- This position requires a BS degree from an ABET-accredited engineering program.
- Proficiency with CYMCAP modeling
- Proficiency with cable tensioning calculations and/or software
- 7 or more years of experience as a member of a project team in observing project schedules and budget constraints on diverse underground transmission projects
- Design experience incorporating code requirements, EPRI recommendations, client requirements
- Experience in cost estimate development and schedule creation and coordination
- Experience with XLPE cable design
- Experience in the preparation of specifications for installation and procurement of underground transmission line materials and components
- Knowledge to verify/review right of way requirements, bonding schemes, underground transmission line plan and profile drawings and other construction documents
- Knowledge of design techniques, tools, and principles involved in the production of technical plans, drawings, and models
- Experience in writing and providing support documentation for engineering calculations
- Familiarity with design codes and standards such as NESC, EPRI Green Book, IEC, CSA, IEEE, ANSI, IBC, ASCE 7, AISC, and ACI 318
- Proficiency with MS Office applications
- Excellent written, verbal and interpersonal communication skills
- Attention to detail
Valued but not required skills and experience:
- Have a current PE license or the ability to acquire one within one year
- Experience with High Pressure Gas Filled or High-Pressured Fluid Filled pipe type cable systems and associated equipment
- Experience with underground distribution or low voltage cable systems
Award-Winning Benefits
At Sargent & Lundy, we care about the health and well-being of our employees. Our commitment extends beyond the workplace, offering comprehensive healthcare plans and generous paid time off to support our team members in every aspect of their lives. We understand the importance of work-life balance, which is why we are proud to provide competitive, award-winning benefits. Our dedication to employee satisfaction has earned us the prestigious Top Workplaces Culture Excellence Award for compensation and benefits in 2022, 2023, and 2024.
Health & WellnessFinancial BenefitsWork-Life Balance- Health Plans: Medical, Dental, Vision
- Life & Accident Insurance
- Disability Coverage
- Employee Assistance Program (EAP)
- Back-Up Daycare
- FSA & HSA
- 401(k)
- Pre-Tax Commuter Account
- Merit Scholarship Program
- Employee Discount Program
- Corporate Charitable Giving Program
- Tuition Assistance
- First Professional Licensure Bonus
- Employee Referral Bonus
- Paid Annual Personal/Sick Time (PST)
- Paid Vacation
- Paid Holidays
- Paid Parental Leave
- Paid Bereavement Leave
- Flexible Work Arrangements
Compensation Range
$95,840.00 - $147,870.00Transparency Statement
Sargent & Lundy discloses compensation ranges that comply with all local and state regulations. The total compensation package for eligible positions will include a base salary or an hourly rate and a comprehensive benefits package, reflecting our commitment to rewarding performance and supporting the overall well-being of our employees. Individuals may also be eligible to participate in our yearly discretionary bonus.Awards & Recognition
Equal Opportunity
Sargent & Lundy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any protected status as defined by applicable law.
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Frequently asked questions
Senior Underground Transmission Line Engineers typically lead small teams, managing design complexities like duct bank layouts and cable pulling calculations, while also overseeing schedules and budget constraints. This contrasts with entry-level roles focused more on supporting tasks and learning technical standards within underground transmission projects.
Expertise in cymcap modeling, ampacity calculations, and duct bank configuration is vital for handling high-voltage underground lines. Mastery of design codes like NESC and EPRI recommendations, along with practical experience in cable procurement and trenchless installation methods, ensures safe, efficient project outcomes.
Advancement often involves taking on larger projects, specializing in high-pressure fluid-filled cable systems, or moving into managerial positions overseeing multiple teams. Obtaining a PE license enhances credibility, opening doors to senior infrastructure engineering or transmission planning leadership roles.
While a PE license is highly valued and sometimes required within a year, familiarity with local regulatory standards and codes like NESC and IEEE is crucial. Certifications related to underground utility safety or project management may also boost competitiveness in the Cary, NC job market.
The hybrid model at Sargent & Lundy offers three days on-site for team collaboration and hands-on project work, with two days remote to enhance flexibility. This structure helps engineers maintain productivity while accommodating personal work-life needs in Cary's tech-driven environment.
Sargent & Lundy emphasizes comprehensive design responsibility, including trenchless methods and cable tensioning, coupled with leadership of small project teams. Their award-winning benefits and transparent compensation package also create a uniquely supportive environment for senior engineers.
Cary’s expanding infrastructure and proximity to major utilities increase demand for engineers skilled in underground transmission. However, competition remains moderate due to the specialized nature of high-voltage design expertise, making strong technical proficiency a key advantage.
Senior Underground Transmission Line Engineers in Cary usually earn between $95,000 and $148,000 annually, aligning with Sargent & Lundy's disclosed salary range. Their package often includes bonuses and comprehensive benefits, reflecting a competitive total compensation in the regional market.
This position uniquely blends technical design with direct collaboration, requiring engineers to specify components and resolve routing challenges with vendors and clients. It demands advanced communication skills beyond typical field technician duties, supporting complex project delivery.