Senior Environmental Engineer (PE)

A well-established environmental consulting firm is looking to add a Senior Environmental Engineer (PE) to its growing Environmental Services team. This organization has built a strong reputation supporting industrial and commercial clients across environmental compliance, engineering, and air quality programs, offering the opportunity to work on technically complex projects while maintaining direct client relationships and project ownership.This position is ideal for an experienced Illinois-licensed Professional Engineer who enjoys a balance of technical engineering, environmental compliance, and client-facing consulting. While air quality work is an important component of the role, the ability to independently develop and certify engineering documents, particularly SPCC Plans, is a key requirement.Working alongside a team of environmental and air quality specialists, you'll support a diverse portfolio of industrial clients while managing projects from inception through completion. The Work Serve as the lead engineer on environmental compliance and consulting projects for industrial and commercial clientsPrepare, review, and certify SPCC Plans and other engineering documentsSupport air permitting, compliance evaluations, emissions calculations, and regulatory applicability determinationsAdvise clients on federal, state, and local environmental regulationsManage project schedules, budgets, deliverables, and client communicationDevelop permit applications, technical reports, engineering evaluations, and regulatory submissionsSupport compliance initiatives involving air, stormwater, wastewater, waste management, and remediation programsCoordinate directly with regulatory agencies and support clients during inspections and compliance reviewsConduct facility assessments and site visits to evaluate operations and environmental obligationsCollaborate with air quality specialists on Title V, NSPS, NESHAP, MACT, and related compliance programsProvide technical guidance and mentorship to junior staffSupport proposal development, project scoping, and client relationship growth Background They're After Bachelor's degree in Environmental Engineering, Civil Engineering, Chemical Engineering, or a related engineering disciplineIllinois Professional Engineer (PE) license required7+ years of environmental engineering, consulting, or compliance experienceExperience developing and certifying SPCC PlansProven project management experience including budgets, schedules, and client deliverablesExperience working with industrial or commercial facilitiesFamiliarity with environmental compliance programs across multiple mediaStrong technical writing and engineering problem-solving skillsAbility to independently manage projects and client relationships Nice to Have 10+ years of environmental consulting experienceAir permitting and air compliance experienceFamiliarity with Clean Air Act permitting programsExperience with Title V, NSPS, NESHAP, or MACT regulationsEmissions calculations and engineering analysis experienceIllinois environmental consulting backgroundOSHA 40-Hour HAZWOPER certificationExperience supporting manufacturing, chemical, utility, logistics, transportation, or energy-sector clients Why It's Worth a Look Join a respected environmental consulting practice with a strong technical reputationOwn projects from start to finish rather than supporting a small portion of the processWork directly with clients as a trusted technical advisorOpportunity to leverage both environmental engineering and air compliance expertiseCollaborative team environment with experienced environmental professionalsDiverse project portfolio across industrial and commercial sectorsStrong focus on technical consulting and project delivery rather than people managementSignificant autonomy, client exposure, and long-term career growth opportunities