Aerostar SES LLC (ASL) is seeking an experienced Principal Environmental Engineer to join our expanding team. This senior-level position provides technical leadership on complex environmental engineering projects and oversees regulatory compliance, strategic planning, and high-level client or internal support. The Principal Environmental Engineer combines advanced technical expertise with strong project management and leadership abilities to deliver sustainable, cost-effective solutions in areas such as environmental remediation, permitting, impact assessments, and compliance programs. ASL offers a comprehensive benefits package, including medical, dental, and vision coverage; HSA and FSA options; employer-paid life and disability insurance; 401(k) with company match; and generous paid time off (PTO). This is a HYBRID position in Jacksonville, Florida and 10% travel is required for projects. We are an equal-opportunity employer. All applicants will receive consideration for employment, without regard to race, color, religion, creed, national origin, gender, or gender identity, age, marital status, sexual orientation, veteran status, disability, pregnancy or parental status, or any other basis prohibited by law. We participate in the E-Verify Employment Verification Program. We are a drug-free workplace. Responsibilities: • Lead the planning, design, and execution of complex environmental engineering projects. • Oversee large-scale, multidisciplinary projects from conception to completion, including budgeting, scheduling, risk management, and quality assurance. • Provide technical guidance on environmental engineering issues and interpret environmental data results to make informed decisions. • Environmental remedial technology evaluations, cost estimating, design drawings/specifications. • Preparation of technical reports, specifications, and plans; data management and evaluation; and environmental assessment and remediation. • Create and maintain comprehensive project documentation and develop a detailed project plan to track progress. • Oversee and manage changes to project scope, schedule, and budget. • Prepare engineering calculations, technical drawings, reports, and permit applications. • Evaluate, design, and conduct pilot tests for remediation systems. • Develop designs and technical reports for remediation systems, including air sparging and soil vapor extraction. • Plan and manage environmental construction activities such as trenching, piping installation, and site restoration. • Mentor junior engineers and scientists by providing technical guidance, training, and support for professional growth. • Provide field oversight of remediation operations and supervise subcontractor activities. Qualifications: • Bachelor’s degree in an engineering discipline from an ABET-accredited institution. • Licensed Professional Engineer (PE) in the state of Florida. • 5–10 years of experience in environmental remediation and consulting. • Strong knowledge of applicable environmental laws, regulations, and industry standards. • Experience with the design, construction, and operation of environmental remediation systems. • In-depth understanding of remediation regulations essential for the successful execution of federal and private-sector remediation projects. • Valid U.S. driver’s license required. • Employment may be contingent upon successfully passing a pre-employment drug screening, background check, and verification of acceptable professional references. Compensation: $110,000 - $150,000 annually

• Lead the planning, design, and execution of complex environmental engineering projects. • Oversee large-scale, multidisciplinary projects from conception to completion, including budgeting, scheduling, risk management, and quality assurance. • Provide technical guidance on environmental engineering issues and interpret environmental data results to make informed decisions. • Environmental remedial technology evaluations, cost estimating, design drawings/specifications. • Preparation of technical reports, specifications, and plans; data management and evaluation; and environmental assessment and remediation. • Create and maintain comprehensive project documentation and develop a detailed project plan to track progress. • Oversee and manage changes to project scope, schedule, and budget. • Prepare engineering calculations, technical drawings, reports, and permit applications. • Evaluate, design, and conduct pilot tests for remediation systems. • Develop designs and technical reports for remediation systems, including air sparging and soil vapor extraction. • Plan and manage environmental construction activities such as trenching, piping installation, and site restoration. • Mentor junior engineers and scientists by providing technical guidance, training, and support for professional growth. • Provide field oversight of remediation operations and supervise subcontractor activities.