[Remote] Mechanical Design Engineer

Note: The job is a remote job and is open to candidates in USA. Worldwide Mission Critical is a company focused on delivering mechanical systems for data center projects. The Mechanical Design Engineer will support the design and delivery of HVAC and cooling solutions, ensuring they meet operational and safety standards while coordinating with various internal and external teams.ResponsibilitiesLead and support mechanical design efforts across the full project lifecycle—from concept development through commissioning—focused on chilled water systems, air distribution, and equipment layout for data centersCoordinate closely with Development, Procurement, Construction, and Operations teams, as well as Engineers of Record (EoRs), consultants, and contractors to resolve design issues and maintain alignment across disciplinesResearch and develop emerging trends and advanced technologies to improve thermal management, HVAC systems, and mechanical infrastructure for enhanced performance and energy efficiency in data centersReview and manage mechanical design documentation, including drawing sets, piping schematics, airflow diagrams, shop drawings, submittals, and commissioning reportsEnsure all mechanical systems comply with project requirements, internal standards, ASHRAE guidelines, and local building codesTrack and report on design progress, holding partners accountable to key milestones and deliverables. Proactively identify schedule risks and recommend solutions to stay on trackSupport cost estimation and change management for mechanical scope, including evaluating value engineering proposals and reviewing EoR scopes and resourcesParticipate in factory witness testing, site inspections, TAB, and commissioning activities to confirm system readiness and integration with building management systemsCollaborate with other engineering disciplines to ensure mechanical systems are well-integrated with electrical, structural, and controls designsMaintain accurate project records, track technical decisions, and provide routine updates to internal stakeholdersContribute to project risk assessments by identifying mechanical-related risks and mitigation strategiesAssist in onboarding new team members and sharing design standards, workflows, and technical best practicesSupport continuous improvement by incorporating lessons learned and contributing to updates of internal design tools, templates, and processesPartner with the construction team during field execution to provide technical guidance and resolve installation challengesWork with the operations team to support system handover, provide design intent context, and help ensure maintainability and operability of mechanical systems post-turnoverSkillsBachelor's degree in Mechanical Engineering with an emphasis on data center mechanical systems and mission-critical facilitiesRevit BIM design experience required, including coordination of large-scale mechanical rooms, central plants, and equipment layoutsProficiency in data center cooling system design, including air-based and liquid-based cooling strategies, chilled water plants, DX systems, rear-door heat exchangers, and direct-to-chip coolingExperience performing thermal load calculations, airflow modeling, and energy analysis using tools such as HAP, TRACE, IES, CFD software, or similar platformsStrong background in the design, construction, testing, and commissioning of mission-critical mechanical systems, including chillers, pumps, cooling towers, AHUs, CRAH/CRAC units, and associated control systemsDemonstrated experience with redundancy strategies (N, N+1, 2N), maintainability, and fault-tolerant design for data center environmentsKnowledge and experience in estimating, mechanical system design, operation, and commissioning of data center cooling plants, including integrated systems testing (IST) and development of MOPs and SOPsFamiliarity with data center performance metrics, including PUE, WUE, and strategies to optimize energy and water efficiencyMinimum 5 years' experience in the A/E industry, with direct experience supporting hyperscale, colocation, or enterprise data center projects preferredComprehensive understanding of professional services from conceptual planning and site selection through detailed design, construction administration, and project close-outStrong written and verbal communication skills, organizational skills, and the ability to lead, mentor, and develop technical staffFamiliarity with sustainable and resilient design approaches, including free cooling, heat recovery, and climate-responsive system selectionPassion for improving delivery speed, standardization, and repeatable design solutions for data center programsProficient with Microsoft Productivity Suite productsProfessional Engineering (PE) licenseMinimum 5 years' experience in the A/E industry, with direct experience supporting hyperscale, colocation, or enterprise data center projects preferredCompany OverviewWorldwide Mission Critical offers project management and owner's representation for data center and mission-critical construction. It was founded in 2018, and is headquartered in Reston, Virginia, USA, with a workforce of 51-200 employees. Its website is https://www.worldwidemissioncritical.com.