Applied Technology Solutions, Inc. (ATS) is seeking a motivated Mid Level Mechanical Engineer (III) – Piping Systems to help solve challenging, real-world engineering problems for complex piping and mechanical systems. As a key member of a multidisciplinary team, you will lead tasks, own designs from concept through delivery, and see your work come to life in test and operational environments.A successful candidate will:Develop innovative designs for piping systems and related mechanical hardware (e.g., test fixtures, custom assemblies, pressure vessels, weldments)Translate customer requirements into clear, detailed design criteria and robust engineering solutionsServe as a task lead on key efforts while also contributing as an individual designer/analystCollaborate closely with engineers across disciplines to ensure full system integrationWork directly with designers, fabricators, and operators to ensure hardware is manufacturable, maintainable, and safeMentor and train junior engineers through on‑job guidance and structured mentorship activitiesResponsibilitiesPerform task lead activities to ensure designs meet technical, schedule, and quality expectationsLead and mentor junior engineers in problem solving, critical thinking, and the application of sound engineering processesDevelop innovative designs for custom mechanical and structural hardware supporting piping and related systemsCreate design documentation including presentations, white papers, calculation packages, and technical reportsReview design documentation prepared by other ATS engineers and third‑party partnersPresent designs, analysis results, and design progress to internal stakeholders and customers for review and feedbackPerform structural and, as applicable, aerothermal, thermal‑structural, and flow analyses using hand calculations and appropriate software tools to validate mechanical designsRequirements5+ years of relevant mechanical engineering experienceBS in Engineering or related technical field (equivalent experience may be accepted)Secret DoD Clearance or the ability to obtain a Secret DoD ClearanceDesired experience with tools such as CAESAR, AFT Fathom, AFT Arrow, Smap3D, Plant 3D, ANSYS, ABAQUS, and MATHCADFamiliarity with CAD modeling, drawing development, and GD&TExperience applying engineering codes and standards such as ASME BPVC, ASME B31.3, AISC 360-10, AWS D1.1, ASME Y14.5, etc.Strong communication skills and the ability to work effectively in a fast‑paced, collaborative environmentNote: ATS is a drug‑free workplace. The unlawful manufacture, distribution, dispensing, possession, or use of a controlled substance is prohibited. All candidates who receive conditional offers of employment are subject to drug testing. ATS is also an E‑Verify employer.Export Control Regulations: Applicants for employment at ATS must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.Applied Technology Solutions, Inc. is an equal opportunity employer committed to a diverse and inclusive workplace. We consider all qualified applicants without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, protected veteran status, or any other status protected by law. Applicants who need a reasonable accommodation during the hiring process are encouraged to contact us.#J-18808-Ljbffr