Nuclear Mechanical Systems Engineer

Mechanical Engineer – Nuclear Design (100% Remote)Design the Future of Energy—From AnywhereWe’re seeking a Mechanical Engineer – Nuclear Design to deliver high‑impact engineering solutions that support the safety, reliability, and long‑term performance of nuclear and power generation facilities. In this role, you’ll solve complex mechanical challenges, guide projects from investigation through implementation, and collaborate with top technical experts across the energy sector—all while working 100% remotely.This is an opportunity to apply deep mechanical engineering expertise to some of the most critical energy infrastructure in the country, in an environment that values quality, technical excellence, and continuous growth.What You’ll DoLead mechanical engineering projects by analyzing complex technical challenges and delivering practical, compliant solutionsProvide expert guidance on mechanical design and construction methods for nuclear and power generation systemsPerform and review complex engineering calculations and technical design deliverablesLead investigations, modeling efforts, prototype studies, and system‑level analysesEnsure designs meet all applicable codes, standards, regulatory requirements, and Quality Assurance expectationsDefine performance specifications for mechanical components, equipment, systems, and processesApply principles of mechanics, thermodynamics, hydraulics, heat transfer, and materials scienceCollaborate with multidisciplinary engineering teams to manage interfaces and understand design impactsSupport engineering schedules and resource planningApply and support engineering change control processesBuild trusted relationships with utility and station customers through clear, technically sound communicationWhat You BringBachelor of Science in Mechanical Engineering from an ABET‑accredited program4–12 years of relevant mechanical engineering experienceNuclear industry experience OR experience supporting related power generation facilities (e.g., fossil, thermal, or combined‑cycle power plants)Working knowledge of mechanical design codes, standards, and regulations applicable to nuclear or large‑scale power generation facilitiesExperience working within Quality Assurance–driven environments (nuclear QA preferred)Proficiency with AutoCAD and mechanical engineering design toolsProven ability to perform and review complex calculations and design documentationStrong time management skills and ability to juggle multiple prioritiesAbility to interface confidently with utility and plant stakeholdersStrong written, verbal, and interpersonal communication skillsNice to HaveDirect nuclear plant design or modification experienceExperience supporting power plant lifecycle projects, upgrades, or system modificationsFamiliarity with Engineering Change Control processesProject engineering or technical leadership experienceInterest in long‑term growth in nuclear and power generation engineeringThrives in a fast‑paced, technically rigorous environmentWhy This Role100% Remote (Eastern or Central Time zones)Work on critical energy infrastructure projects with long‑term industry relevanceExposure to complex, meaningful engineering challengesCulture that values technical excellence, mentorship, and career growthOpportunity to advance along technical and leadership pathsJob Type & LocationThis is a Contract to Hire position based out of Naperville, IL.Pay And BenefitsThe pay range for this position is $40.00 - $90.00/hr.RequirementsEligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)Workplace TypeThis is a fully remote position.Application DeadlineThis position is anticipated to close on May 31, 2026.About ActalentActalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.