Ready to shape the future of science and global health? ATCC, a leading nonprofit biological resources and standards organization, is seeking a Senior Mechanical and HVAC Engineer for a full-time onsite role primarily based in Manassas, VA to provide engineering expertise for ATCC facilities in MD and VA, including a new Biomanufacturing facility at Manassas, VA.
As a key contributor to ATCC’s critical infrastructure, the Senior Mechanical and HVAC Engineer ensures the performance, reliability, and compliance of facility systems. This role involves designing, developing, and managing HVAC and refrigeration systems for industrial processes. This position will apply expertise in thermodynamics, fluid mechanics, and heat transfer to deliver efficient solutions and optimize existing systems. From selecting equipment to creating detailed system designs and ensuring energy code compliance, this engineer plays a vital role in supporting ATCC’s scientific mission.
Join ATCC and be part of a team that supports the global scientific community with trusted, authenticated biological materials.
Design & Engineering Excellence : Lead the development of HVAC and refrigeration systems by formulating design criteria, performing calculations, and producing detailed construction documents. Apply advanced knowledge in thermodynamics, fluid mechanics, and heat transfer to create efficient, code-compliant mechanical solutions.
Project & Vendor Coordination : Oversee all phases of engineering and facilities projects—from feasibility to closure—ensuring alignment with safety standards, budgets, and timelines. Collaborate with contractors and vendors through meetings, site visits, and inspections to support seamless implementation of MEP, HVAC, and structural systems. Provide engineering expertise to drive commissioning and qualification of mechanical systems in ATCC's new Biomanufacturing facility at Manassas.
System Optimization & Troubleshooting : Resolve complex design and operational issues through field investigations and root cause analysis. Manage and improve building and lab mechanical systems, including refrigeration equipment and Building Management Systems (BMS), while providing technical guidance for operations and maintenance.
Design, investigation and troubleshooting with HVAC and refrigeration systems experience required.
The expected salary range for this position is $130,000 to $140,000 annually. Actual compensation will be determined based on experience and qualifications as well as internal equity and alignment with market data. In addition to base salary, this role may be eligible for additional incentive compensation including regular merit increases and the corporate bonus program. We Invest in You
Join ATCC, where we fuel your success, well-being, and development. We're a mission-focused non-profit Equal Opportunity Employer, celebrating a century of supporting global public health. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. Shape the future of science with us.
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