Assistant Project Manager - Public Infrastructure

Assistant Project Manager - Public Infrastructure

Job Category: Engineering Requisition Number: ASSIS007524

Posted: January 22, 2026

Full-Time

Dallas, TX 75206, USA +3 more locations

Description

LJA is offering an exciting opportunity that will allow you to reach your full career potential. The structure of our organization is designed to amplify your capabilities while gaining the benefits of being an employee-owner. What truly sets this opportunity apart is the chance to collaborate every day with dedicated, skilled, and supportive leaders. Whether you are in the office, in the field, or behind the scenes, working at LJA gives you the chance to grow through hands-on experience and exposure to a broad range of clients and services.

At LJA, our employee-owners take pride in their work and their workplace. We're guided by leaders who foster a culture of respect, collaboration, and a shared vision of success. Our difference is evident in the experiences and opportunities we provide:

• Employee-owned. Client-focused
• Employee Stock Ownership Plan (ESOP)
• Consistently ranked as a Top Workplace
• Internal recruitment team, in-house training, and a marketing department specific to our industry
• We celebrate flexibility, allowing every team and office to lead with their proven approach
• Our culture champions continuous learning and personal growth
• We believe success comes through constant evolution and communication
• We are passionate about having fun and making money, all while creating impact

As an Assistant Project Manager at LJA Land Development, you will support the delivery of public infrastructure projects while continuing to perform hands-on engineering work. This role bridges project engineering and project management, with responsibilities that include coordination with project managers, design teams, and clients, while developing skills related to project delivery and management. Projects may include water and wastewater systems, drainage, and local infrastructure work.

A typical day might include:

• Supporting the Project Manager with proposals, project delivery, scheduling, billing, and client coordination
• Performing Project Engineering responsibilities, including serving as Engineer of Record when assigned
• Assisting with and learning the project management aspects of project delivery
• Developing initial design approaches for major phases of large projects or managing engineering work on smaller projects with minimal supervision
• Coordinating with internal design teams to support timely and accurate project execution
• Supervising and mentoring less experienced engineers and technical support staff.

Required Education/License/Certifications:

• Bachelor of Science in Civil Engineering or Environmental Engineering from an ABET-accredited program
• Professional Engineer (PE) license in the State of Texas

Required Qualifications:

• 4+ years of experience in the civil engineering field
• Minimum of 1 year of experience serving as a Project Engineer
• Experience supporting water, wastewater, drainage, or local infrastructure projects
• Strong written and verbal communication skills
• Demonstrated ability to build and maintain strong working relationships

Ideally, you should also have:

• Experience supporting both project engineering and project management functions
• Comfort coordinating across project managers, design teams, and clients
• Interest in continued growth into a full Project Manager role

Level Up With LJA:

At LJA, we're 100% employee-owned. This drives results, rewards ambition and supports long-term success for every team member. With almost 100 locations and 3,000+ employee-owners (and growing), we're building something big! We want you to be part of it. Your future grows here.

• Generous Time Off: PTO, paid holidays, and a full office closure between Christmas and New Year's.
• Comprehensive Benefits: Multiple plan options for health, dental, and pets. Along with mental health support.
• Family Support: Paid maternity and parental leave to help you focus on what matters most.
• Education Support: Tuition reimbursement and in-house courses provided by our Learning and Development team.
• Referral Bonuses: Know great talent? Get rewarded for helping us grow.
• Community Impact: Company-sponsored volunteer days and philanthropic initiatives.
• Professional Development: Memberships to industry organizations to keep you connected and growing.
• Career Growth: Great internal mobility opportunities to advance your career.
• Fun Culture: LJA social events, employee sports teams, bring your kid to work day, etc.