4 senior staff mechanical engineer jobs found in Philadelphia, PA

At Ballinger, we are passionate about complex challenges and real-world problem-solving. Design challenges come in all shapes and sizes, and the ones we prefer test us as design professionals. We seek out complex projects with big impact because they require us to ask tough questions, synthesize data, and push past the boundaries of existing answers into the realm of innovative solutions. Ballinger team members thrive on those challenges because our clients do, too: our work for them enables their ambitious endeavors in science and medicine, research and government, manufacturing, and technology. Ballinger welcomes ambition with career development, mentorship, and leadership opportunities. Here ideas will always be more important than hierarchy because they result in buildings as transformative as the missions they serve. As a Mechanical Design Engineer, you will analyze and design building infrastructure and HVAC systems. You will be teamed with a senior engineer(s) who will guide...

Pennoni currently has an opening in our Philadelphia, PA office for a full-time Staff Traffic Engineer with experience consistent with, but not limited to: Job Responsibilities Perform technical analysis, design, and traffic engineering tasks for a wide range of transportation infrastructure, highway, and land development projects. Lead, develop, assist with, and review traffic impact studies, highway occupancy permits, specifications, signal design and plans, maintenance and protection of traffic and signing plans, PS&E packages, and reports. May oversee work of junior engineers and technical staff. Communicate and collaborate with design teams and clients. Assist project managers in the development of proposals, scope of works, fee, and cost estimates. Perform additional responsibilities as required by senior leadership and overall business needs. The candidate will utilize and should have knowledge of and experience with software packages such as Synchro,...

Urban Engineers is seeking a motivated and technically strong Civil Engineer in the Northeast and Mid-Atlantic regions to join our Aviation Department. This position will support the planning, design, and construction of airfield and landside infrastructure projects across the country. The ideal candidate will have the opportunity to take on Deputy Project Manager responsibilities, assisting with client coordination, task management, and mentoring junior staff while developing toward a full Project Manager role. Responsibilities Provide civil engineering design for airfield/site layout, grading, profiles, earthwork analyses and design, hydrologic and hydraulic analyses and design, pavement design and maintenance, construction safety and phasing, aircraft layouts and modeling, storm water management design, erosion and sediment control design, utility coordination and design, environmental permitting, and preparation of construction plans, specifications, schedules, design...

Posting Start Date: November 14, 2025 Posting End Date: December 30, 2025 Position Number: 80005739 (2 openings available) FLSA Status: Hourly Department: Engineering Pay Grade: PR53 Hourly Rate: $18.00 Employment Type: Full Time Building Location: Western Regional Office Building Street: 2200 N. Center Avenue Building City: New Stanton Building State: Pennsylvania (US-PA) Building Zip Code: 15672 Work Schedule: Hybrid The Pennsylvania Turnpike Commission, opened on October 1, 1940, is known as "America's First Superhighway"! Our mission is to operate a safe, reliable, customer-valued toll road system that supports national mobility and commerce. The PTC operates a 565-mile system with over 205 million transactions annually. Together, we are building the highway of the future. Pennsylvania residency is required for summer employment. Job Purpose and Summary This position provides support...