Architecture - Sr. Design Professional - Transportation

HOK; Philadelphia (Philadelphia County); Hybrid; USD 90,000 - 135,000; Full time

Benefits offered by this job

Hybrid work environment

10 paid holidays (including 2 floating

4 weeks paid time off with cash out

Medical, dental, vision coverage

401(k) with matching

Parental leave and fertility coverage

Job summary

HOK in Philadelphia is seeking a Sr. Design Professional for Transportation to lead design development, production and delivery of transit infrastructure projects. You will coordinate with project teams to translate design intent into high-quality documentation and may mentor junior staff.

The role emphasizes collaboration, sustainable design, and involvement across project phases, with a hybrid work environment and opportunities to impact civic mobility across the region.

Qualifications

• Bachelor’s degree in architecture is required.
• 6+ years of experience in architecture or related field.
• LEED accreditation or Green Associate is preferred.
• Experience in large-scale transportation or infrastructure projects is preferred.

Responsibilities

• Advocates for and upholds the design intent of stations, transit facilities, and urban infrastructure, ensuring translation into construction documentation.
• Analyzes and develops approaches to create/modify architectural documents, elevations, sections, details.
• Develops, modifies, and/or reviews drawings according to established standards.
• Develops presentations and early design studies; prepares 2D/3D drawings and models for reviews.
• Mentors and directs work of less experienced staff; may interface with clients/consultants.
• Supports QA/QC and project standards; conducts product and code research for documents.

Education

Bachelor’s degree in architecture

6 plus years’ experience

LEED accreditation or Green Associate preferred

Prior experience in large-scale transportation or infrastructure projects preferred

Job description

Architecture - Sr. Design Professional - Transportation

Philadelphia, PA, USA

Job Description

Posted Tuesday, July 14, 2026 at 4:00 AM

HOK marked its 70th anniversary in 2025, and we continue to be a collective of future-forward thinkers and designers committed to tackling the critical challenges of our time. Our mission is simple yet powerful: improve lives, serve our clients, and heal the planet. At HOK, design excellence thrives at the intersection of art and science-where creativity meets purpose.

HOK's Philadelphia office is seeking Sr. Design Professionals to join our growing Transportation practice. This will be an individual who c oordinates and/or undertakes the design development, production and delivery of projects, as a member of the project design team or on own projects. We are expanding our transit work across the region, shaping some of the most complex and transformative infrastructure projects in the country. Our team is at the forefront of transit and urban design, bringing together deep technical expertise with a strong design voice. We work on projects that redefine how people move through cities, creating connected, intuitive environments that serve communities for generations.

Our transit practice is built on collaboration, mentorship, and a shared commitment to design excellence. You will be part of a team that values curiosity, rigor, and the exchange of ideas, where experienced leaders actively mentor the next generation of designers and technical professionals. As our transit practice continues to grow, you will play an important role in delivering civic infrastructure that will support communities and mobility for decades to come.

RESPONSIBILITIES:

• Advocates for and upholds the design intent of stations, transit facilities, and urban infrastructure, ensuring seamless translation into coordinated, high-quality construction documentation.
• With preliminary direction from the project architect or project manager, analyzes and develops approaches to the creation and modification of architectural documents, elevations, sections, details, etc. ensuring the incorporation of design intent.
• With direction from the project designer or more senior design technician, develops, modifies, and/or reviews drawings according to established standards.
• Develops strong presentations and early design studies. Prepares 2D and 3D presentation/design drawings and builds models for client/project team review.
• Understands and translates design intent into technical documents.
• May lead a small team of more junior technicians in developing solutions to technical and design detail problems following established standards.
• Assists in client, consultant and contractor project information coordination.
• Assists team leader in ensuring that documentation for all phases conforms to QA/QC and HOK Best Practice Standards.
• Applies proper QA/QC methods throughout project.
• Conducts product and code research and incorporation of codes into technical documents.
• Mentors and directs the work of less experienced staff, may participate in professional development reviews.
• May have regular interface with clients and consultants.
• May assist in work planning and scheduling processes.
• Prepares 2D and 3D presentation/design drawings.
• May assist team in construction administration document management.
• Assures HOK document standards are met and archives documents appropriately.
• May participate in setting up project team software parameters and management of standards.
• Facilitates internal and external communications.
• Tracks all project data in electronic files.
• Incorporates Integrated Sustainable Design solutions into projects.
• Takes personal responsibility for fostering a green workplace through sustainable work practices.
• Fosters a commitment to external and internal client service.

EDUCATION & EXPERIENCE:

• Bachelor’s degree in architecture required.
• 6 plus years’ experience; or equivalent in appropriate education and experience required.
• LEED accreditation or Green Associate preferred.
• Prior experience in large-scale transportation or infrastructure projects preferred.

• HOK invests in its people and communities, supporting both personal and professional growth through every stage of life.
• At HOK you’ll have a hybrid work environment , 10 paid holidays (including 2 floating holidays ) and a minimum of 4 weeks of paid time off with a cash out option.
• HOK offers comprehensive medical, dental, and vision coverage, free mental wellness resources, life and AD&D coverage and short and long-term disability benefits.
• HOK supports your growing family by offering 4 weeks of paid parental leave and fertility coverage.
• HOK helps to fund your future financial needs with matching contributions to our 401(K) plan which includes a well-rounded investment menu as well as free guidance on retirement planning.

Wherever you are in your career, HOK provides opportunities to learn, develop and utilize your skills. Continued learning is promoted through financial support and study prep for licensure exams, CEU credit opportunities, mentorship programs, and paid professional memberships. To learn more about designing your career with HOK, explore our current job openings.

HOK is an EOE, including disability/vets.