Senior Principal Engineer - Water / Wastewater

Company: trilongroup
Location: Blacksburg , Virginia
Type: onsite
Posted: Sep 22, 2026
Views: 2

✨ AI Summary

Trilon Group (Rinker Design Associates) is hiring a Senior Principal Engineer for water and wastewater infrastructure in Blacksburg, Virginia. The role focuses on technical leadership, client engagement, and team development, requiring expertise in Autodesk Civil 3D and hydraulic modeling software like WaterCAD and KYPipe. Candidates must be senior-level leaders with strong analytical skills and the ability to serve as Engineer of Record. The position offers a $10,000 sign-on bonus, comprehensive benefits including 401(k) and paid parental leave, and a base salary range determined by experience and location.

RDA’s new Blacksburg office offers a unique opportunity for an experienced engineering leader to help build and lead a team while playing an important role in RDA’s continued growth across the region. This position will work closely with and support our established Southwest Virginia offices, providing the opportunity to strengthen relationships, expand capabilities, and help shape the future of RDA in the region. As part of the Trilon family of companies, the role also has access to broader resources, projects, and professional opportunities.

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 RDA’s 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.
At RDA, you’ll be part of a collaborative team where your work matters and there are opportunities to grow. With 10 offices across Virginia and the broader resources of the Trilon family of companies, you’ll have access to a strong network and opportunities for continued professional growth.

Our comprehensive benefits package includes:
  • Medical, dental, and vision insurance
  • 401(k) retirement plan with employer contributions and traditional and Roth options
  • Health Savings Account (HSA)
  • Flexible Spending Accounts (FSA)
  • Life and AD&D insurance
  • Short-term and long-term disability
  • Generous paid time off
  • Eight paid holidays plus one floating holiday
  • Paid parental leave
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.

Pay Transparency
The base salary range for this role is indicated in the posting. This range reflects the company’s good faith estimate of the compensation for this position at the time of posting. Final compensation will be determined based on factors such as experience, skills, qualifications, internal equity, and geographic location.
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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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