Senior Environmental Scientist

Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs. Through the power of our combined capabilities, we provide deep expertise in Advanced Engineering; Digital Transformation; Electromagnetic Warfare; Interactive Training & Simulation; Physical Sciences Research; Platform Lifecycle Support; and Foreign Military Sales. Unified by decades of trusted performance and expanded through strategic growth, our team applies innovative technologies, engineering rigor, and customer-focused execution to solve complex challenges and accelerate mission success. Guided by our commitment to partnership, precision, and performance, we deliver the scalable solutions and technical excellence our customers depend on—today and into the future. Precise Systems seeks a Senior Aerosol Scientist. This position will be part of a research effort in the comprehensive characterization of threat materials and environmental backgrounds, and spans the entire spectrum, from aerosol generation, collection, and transport & dispersion to deposition and reaerosolization. We evaluate emerging technologies and materials for their capability to protect, collect, sample, and detect aerosols in diverse laboratory and outdoor settings. Our studies often incorporate dynamic environmental factors, surface-dependent features, and toxicology to fully characterize aerosol threat materials and ensure the safety of our nation's warfighters and civilians. We are seeking a highly motivated and innovative Senior Aerosol Scientist to join our dynamic team. The successful candidate will have the unique opportunity to engage with the expert workforce, providing critical expertise in methodology development for aerosol threat characterization. This role is central to our mission and offers the chance to work across multiple disciplines, including biological sciences, respiratory protection, chemical and biological detection, and decontamination. This position will allow the candidate to broaden their awareness and experience with many different problem sets across several critical areas. This role requires in-person support Duties Lead and guide teams in establishing novel aerosol methodologies for the characterization of chemical and biological threats and environmental backgrounds. Serve as a subject matter expert, providing guidance on bioaerosol collection, sampling techniques, and analysis. Operate, maintain, and develop custom aerosol generation equipment and associated environmental chambers, including software modifications. Integrate, operate, and troubleshoot a wide array of chemical and biological sensors and aerosol measurement instrumentation. Analyze and interpret complex data sets from both aerosol ground truth instrumentation and advanced detection equipment. Collaborate with interdisciplinary teams of scientists and engineers on projects related to respiratory protection, detection, and decontamination. Prepare technical reports, presentations, and publications for scientific and programmatic audiences. Contribute to a positive and innovative work culture that fosters collaboration and scientific excellence. Required Education M.S. (Ph.D. preferred) in Biology, Chemistry, Physics, or a closely related scientific or engineering discipline. Required Experience Five (5) years of research experience in either an academic, government or industry laboratory. Demonstrated experience in the field of aerosol science. Strong analytical and problem-solving skills with the ability to work independently and as part of a team. Excellent written and oral communication skills. Desired Experience Experience with microbiology, virology, and the handling of biological materials in a BSL-1 and/or BSL-2 laboratory environment. Hands‑on experience with liquid and solid aerosol generation and characterization instrumentation (e.g., SMPS, APS, OPCs). Knowledge of respiratory protection principles and mask testing methodologies. Experience with various aerosol collection techniques (e.g., impingers, impactors, filters) Familiarity with chemical and/or biological detection technologies. Must be able to obtain and maintain a Secret security clearance. Due to the sensitivity of customer-related requirements, U.S. Citizenship is required Precise Systems values employee contributions, promotes diverse opportunities for professional growth, and prioritizes overall well‑being. Our comprehensive professional services benefits package includes health insurance, life and accidental death and dismemberment coverage, disability insurance, retirement plans, holiday pay, employee‑managed leave, and professional growth opportunities. We recognize exceptional performance and alignment with our core values through our STAR Award recognition program. Compensation at Precise Systems is determined by various factors, including education, experience, skills, competencies, and contract‑specific requirements. The salary range for this position is $86,190.32 to $129,285.48 (annualized USD). This range represents the standard pay for this role and is just one component of Precise Systems’ total compensation package. Precise Systems is committed to fair and equitable pay practices in alignment with applicable pay transparency laws and equal employment opportunity standards Precise Systems is dedicated to a shared vision and core values of Integrity, Respect, and Responsibility , which foster innovation and drive our continued success in the global marketplace. Precise Systems and its subsidiaries are Equal Opportunity /Affirmative Action Employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, protected veteran status, status as an individual with a disability, or any legally protected status under federal, state, or local law. Visit for a listing of current openings and our comprehensive, employee friendly benefits summary. Precise Systems participates in E-Verify. #J-18808-Ljbffr