• Set technical direction and standards that multiple squads adopt • Drive alignment on complex cross-team initiatives • Represent engineering in broader technical and cross-functional discussions • Architect complex, distributed systems that span multiple services and teams • Design for high availability and resilience • Mentor Senior (L4) developers and help them reach the next level • Identify and drive organization-wide improvements • Define practices for using AI assistants and AI-powered capabilities effectively • Research emerging technologies and drive adoption of useful ones

• Own the architecture and delivery of large features within a squad • Apply deep, in-depth expertise to complex problems • Make technology and architecture decisions for your team • Frequently advise and mentor others • Integrate AI agents or assistants into your workflow • Rapidly diagnose and resolve bugs and problems • Lead architectural reviews and decision-making

• Review and analyze roadway and traffic design plans for highways, streets, and intersections. • Analyze as-built drawings, construction plans, and traffic control plans for compliance with contracts and engineering standards. • Research and evaluate traffic conditions using traffic counts, speed studies, accident history data, and roadway characteristics. • Determine safe and efficient traffic volumes based on roadway geometry and operating conditions. • Assess sight distance, roadway alignment, pavement conditions, hazards, and work zone traffic control. • Analyze traffic signal timing, phasing, maintenance, and intersection layout for operational performance and safety impacts. • Determine whether roadway features or traffic control elements contributed to vehicle, pedestrian, or bicycle accidents. • Review existing and proposed roadway signs, markings, and traffic control devices for compliance with standards. • Analyze traffic signal timing, phasing, maintenance, and intersection layout for operational performance and safety impacts. • Apply DOT standards, MUTCD guidelines, Engineering Policy Guides, and local design criteria in all analyses. • Prepare clear technical reports and engineering opinions for forensic and litigation purposes. • Serve as a consulting and testifying expert witness, including depositions and trial testimony. • Manage multiple projects, meet budgets and schedules, and support client relationships. • Provide technical guidance to junior engineers as needed. • Support business growth through ongoing client engagement and repeat work.

• Coordinate day-to-day delivery activities across design, procurement, execution, safety, quality and controls workstreams • Track progress against the project plan and flag emerging risks or delays early • Run regular cross-discipline coordination meetings and follow up on actions • Support the Project Delivery Manager with day-to-day decision-making and problem-solving • Maintain clear, up-to-date project documentation and status reporting • Help resolve interface issues between disciplines before they affect schedule or cost • Support readiness planning ahead of key milestones and stage gates • Assist with onboarding new team members and contractors into project processes • Escalate significant issues to the Project Delivery Manager with clear context and options