**Job Overview:** APTIM is seeking a highly experienced Environmental, Health, and Safety (EHS) Subject Matter Expert (SME) with 10+ years of proven expertise in environmental compliance, air permitting, and regulatory strategy. This key role supports both internal teams and external clients as part of APTIM's broader initiative to expand its consultancy services in EHS, Sustainability, and Environmental Social Governance (ESG) digital transformation. The ideal candidate will bring deep experience serving clients in oil and gas, power generation, and manufacturing sectors, with a strong track record in developing and managing air permitting documents--including Title V, New Source Review, and Permits by Rule--as well as compiling regulatory compliance reports such as annual emissions inventories and Title V, NSPS, and NESHAP reports. The candidate will also provide H&S domain expertise on client projects. This individual will serve as a technical leader, trusted client advisor, and key contributor to the evolution of APTIM's environmental and ESG-focused service offerings. **Key Responsibilities/Accountabilities:** + Lead and support APTIM's internal and external projects within the EHS and Air/GHG/Water/Waste domains including project planning, staffing, budgeting, and execution + Subject Matter Expert (SME) and lead business analyst for projects involving advanced configuration of industry-leading EHS platforms (e.g., Cority, Enablon, Intelex, Sphera, Velocity) + Collaborate on solution design by analyzing client business needs, evaluating competing configuration strategies, and contributing to detailed system design documentation + Manage or perform system setup, report creation, and data migration tasks + Ensure quality project delivery through system testing, internal reviews, and oversight of client acceptance testing; contribute to internal technical standards and best practices + Design and deliver client training, including the development of tailored training materials for system users + Provide post-deployment support, data management, and technical troubleshooting + Oversee regulatory compliance for permitting and emissions, including preparing permit applications and reports, evaluating regulatory applicability, and conducting Air/GHG/Water/Waste impact analyses + Serve as a liaison with regulatory agencies and clients to ensure full compliance with applicable Federal, State, and local environmental regulations + Offer subject matter support to project teams across disciplines and business units + Mentor junior staff, providing technical guidance, training, and career development support + Foster a collaborative and professional team environment built on trust, knowledge sharing, and strong working relationships **Basic Qualifications:** + Bachelor's or Master's degree in Environmental Science, Engineering, or a closely related field + Professional certifications such as PE (Professional Engineer) are strongly preferred + 10--20+ years of progressive experience in Air Quality, Environmental Compliance, EHS Consulting, or related disciplines + In-depth knowledge of Federal, State, and local environmental regulations, including OSHA, TCEQ, NSPS, NESHAPS, and USEPA standards; familiarity with Subparts and Tank standards, operating requirements, associated reporting obligations, and other areas + Proven experience in conducting air emissions calculations and regulatory reporting + Competency in navigating regulatory resources, databases, and government compliance portals + Solid understanding of applicable environmental regulations in the context of project scopes, deliverables, and client operations + Strong foundation in math and science principles, including unit conversions, data analysis, and formula applications + Hands-on experience with two or more leading EHS/Sustainability software platforms (e.g., Cority, Enablon, Intelex, Sphera, Velocity) + Proficiency in project support and reporting tools such as ArcGIS, BEEST, TRI-ME, SQL, Oracle, Azure Synapse Analytics, Power BI, Tableau, CRM systems Zendesk and Salesforce + Skilled in Microsoft Office applications including Word, Excel, Outlook, SharePoint, and time/expense tracking systems + Demonstrated ability to manage multiple projects independently with minimal supervision + Excellent communication skills--both verbal and written--with a knack for translating complex technical information into clear, actionable insights + Willingness to travel 20% or more for client engagements, conferences, and industry events + Confidence in leading stakeholder workshops, delivering compelling presentations to both technical and non-technical audiences, potentially speaking on stage at industry conferences representing APTIM **ABOUT APTIM** APTIM is committed to accelerating the transition toward a clean and efficient energy economy, building a sustainable future for our communities and natural world, and creating a more inclusive and equitable environment that celebrates the diversity of our communities. We specialize in environmental, resilience, and sustainability and energy solutions, as well as technical and data solutions, program management, and critical infrastructure. For every challenge our clients face, there is an opportunity for APTIM to innovate a fit-for-purpose solution that will raise your organization or community to a new standard of excellence. What you can expect from APTIM: + Work that is worthy of your time and talent + Respect and flexibility to live a full life at work and at home + Dogged determination to deliver for our clients and communities + A voice in making our company better + Investment into your personal and professional development As of the date of this posting, a good faith estimate of the current pay range for this position is $140K to $150K. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM. **Employee Benefits** Aptim Environmental Infrastructure llc is committed to providing an extensive range of benefits that protect and promote the health and financial well-being of our employees and their families through the APTIM Benefits Marketplace https://aptim.makeityoursource.com/ . + Medical, vision, and dental insurance: Through the marketplace, our employees can choose benefits from five metallic levels and 10+ carriers to find the right benefits that work for them in their location. + Life insurance + Short-term and long-term disability insurance + Paid holidays, vacation, and sick leave (eligibility based on company policy and applicable law) + 401(k) APTIM offers three 401k plans through the Aon Pooled Employer Plan (PEP). The specific plan you are eligible for depends on the business unit you are in. The details of the largest plan are found here: + APTIM 2025 401(k) Plan Features (makeityoursource.com) (https://aptim.makeityoursource.com/getattachment/eaa3a0a0-e46b-447b-b8b7-18f2fbf26eae/APTIM-401k-Plan-Features.pdf) + APTIM - Helpful Documents **Watch our video:** **About APTIM - In Pursuit of Better** **\#LI-BS01** Equal Opportunity Employer Minorities/Women/Protected Veterans/Disabled Applicants with a physical or mental disability who require a reasonable accommodation for any part of the application or hiring process may make their request known by e-mailing HRQuestions@cbifederalservices.com or calling 855.343.5600 for assistance. EOE/Vets/Disability