Senior Principal Engineer - Water/Wastewater

Company: trilongroup
Location: Blacksburg , Virginia
Type: onsite
Posted: Aug 19, 2026
Views: 5

✨ AI Summary

Trilon Group, an engineering firm, is hiring a Senior Principal Engineer for water/wastewater and transportation infrastructure projects in Blacksburg, Virginia. This senior leadership role requires expertise in Autodesk/Civil 3D, with hydraulic modeling software (WaterCAD, KYPipe) a plus, and involves technical oversight, client engagement, and staff mentoring. The position offers a $10,000 sign-on bonus, comprehensive benefits, and requires no visa sponsorship.

Position Summary

The Senior Principal Engineer is a senior leadership role responsible for technical excellence, strategic growth, and operational oversight within Rinker Design Associates engineering practice. This position combines high-level project leadership, client engagement, and staff development, serving as a key contributor to both regional success and long-term organizational strategy.

💥$10,000 sign-on bonus!💥
· Provide executive-level oversight and technical direction on complex transportation and infrastructure projects.

· Serve as Engineer of Record as appropriate and ensure adherence to applicable state, federal, and industry standards.

· Review and approve engineering designs, calculations, plans, specifications, and deliverables.

· Act as a trusted advisor to key public-sector and institutional clients.

· Maintain and expand long-term client relationships throughout Virginia and the surrounding region.

· Support strategic pursuits, proposals, and interviews for major project opportunities.

· Lead, mentor, and develop senior engineers, project managers, and emerging leaders.

· Foster a culture of accountability, collaboration, and technical excellence.

· Support succession planning and workforce development initiatives.

· Collaborate with Rinker Design Associates and Trilon Group leadership on growth initiatives and integration efforts.

· Contribute to operational planning, financial performance, and resource management.

· Identify opportunities to expand services, markets, and delivery methods.
· Knowledge of graphic designing is very essential utilizing the latest version of
Autodesk/Civil 3D

· Knowledge of hydraulic modeling software is a plus: WaterCAD and KYPipe.

· Skill in updating, maintaining, operating and evaluating all AutoCAD software and related equipment

· Strong attention to detail, ensuring edits requested by project manager are accurate

· Able to fully understand and follow complex oral and written instructions

· Ability to operate, access, and maintain diverse software applications

· Excellent time management skills with a proven ability to meet deadlines.

· Strong analytical and problem-solving skills.

· Basic understanding of ISO 9000 design requirements.
We offer a comprehensive benefits package which includes:
  • Medical, dental, and vision insurance
  • 401K Retirement Plan; Roth Contributions
  • Health Savings Account (HSA)
  • Flexible Spending Accounts (FSA)
  • Life, AD&D, short-term and long-term disability
  • Generous PTO and 8 federal holidays + 1 floating holiday
  • Parental leave
  • Supportive team culture
RDA is an Equal Opportunity Employer and maintains a drug-free workplace.
Applicants that require an employment visa sponsorship now or in the future will not be considered.

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About the Company

Name: trilongroup
Website: https://trilongroup.pinpointhq.com

Trilon Group is a family of companies that believes in putting people first. They partner with firms that share a growth mindset and similar values. Their culture focuses on helping people advance their careers, with an emphasis on diversity and inclusion, talent management, leadership development, technical training, and mentorship. Their values include Safety, Integrity, Diversity, Passion, Innovation, and Collaboration.

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