The Lane Group is a Virginia-based engineering consulting firm with a strong legacy of providing specialized consulting and infrastructure engineering services to public-sector clients. The firm is known for delivering technically complex projects through hands-on leadership, rigorous quality control, and long-standing relationships with state and local agencies. The Lane Group’s senior leaders are deeply engaged in project execution, client coordination, and mentoring technical staff, ensuring consistency, accountability, and high-quality outcomes across its portfolio.

The Lane Group is now proudly part of Rinker Design Associates, LLC (RDA), a well-established Virginia civil engineering firm with more than four decades of experience supporting transportation, infrastructure, and public works projects throughout the Commonwealth. RDA operates as a subsidiary of Trilon Group, a national family of infrastructure consulting firms focused on transportation, water, utilities, and community development. This partnership allows The Lane Group to maintain its strong local identity and leadership-driven culture while benefiting from expanded technical resources, regional collaboration, and long-term organizational stability.

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

· 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.

· Excellent verbal and written communication skills.

· Knowledge of graphic designing is very essential utilizing the latest version of
 Autodesk/Civil 3D

· Knowledge of hydraulic modeling software, 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 work effectively as part of a team

· Skills to operate basic office equipment like printers, computer terminals, facsimile machines, copy machines and telephone systems

· 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.

At RDA, you’re more than just an engineer, you’re a valued part of a collaborative, mission-driven team that invests in your growth and celebrates your success.

· Medical, dental, and vision coverage
· 401(k) with Roth options and company match
· HSA & FSA options
· Life insurance, AD&D, and disability coverage
· Generous PTO and 8 paid holidays + 1 floating holiday
· Mentorship and advancement opportunities
· 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.