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Decima International · 1 month ago

Mechanical Design Manager (Remote) - United States

United States

Full-time

Remote

Senior Level, Lead/Staff

10+ years exp

Decima International is a professional services company providing project management and controls services. They are seeking a Mechanical Design Manager to support multiple data center projects, requiring strong engineering expertise and client-facing skills.

Civil EngineeringConstructionProfessional ServicesProject Management

No H1B

Responsibilities

Act as the owner’s trusted mechanical engineering authority, ensuring all designs meet program requirements, operational goals, and long-term reliability

Review and approve consultant design packages (concept, SD, DD, IFP, IFC)

Provide critical evaluation of proposed solutions, identifying gaps, risks, or value-engineering opportunities that protect the owner’s interests

Lead technical negotiations with designers, contractors, and equipment vendors

Evaluate mechanical system architectures for resiliency, efficiency, scalability, and maintainability

Oversee key mechanical systems, including:

Data center cooling (CRAH/CRAC, chilled water, DX, evaporative cooling)

Hydronics and fluid distribution

Heat rejection systems

Airflow and pressurization

Smoke exhaust and other life-safety systems

Validate design calculations, equipment selections, and modeling outputs

Drive the design review process, ensuring alignment with codes, standards, and the owner’s design basis

Coordinate interdisciplinary design integration across MEP, CSA, controls, etc

Ensure all mechanical design deliverables are complete, coordinated, and construction-ready

Maintain design logs, review matrices, risk registers, and decision documentation

Provide design‐intent interpretation during construction and ensure contractors’ work aligns with approved drawings and specifications

Support submittal reviews, RFIs, and field issue resolution to ensure alignment with design intent

Evaluate all mechanical‐related change order requests from contractors and vendors on behalf of the Owner

Responsibilities include:

Verifying whether the proposed change is due to design development, unforeseen conditions, scope gaps, or contractor means and methods

Assessing technical validity

Identifying alternate solutions or mitigation options that protect the Owner’s interests

Leading technical negotiations with designers and contractors to resolve discrepancies and minimize unnecessary change costs

Ensuring documentation is clear, justified, and compliant with contractual requirements

Participate in commissioning planning, witness mechanical system testing, and validate that installed systems meet performance and reliability requirements

Work closely with program management, operations, construction, and finance teams to ensure that mechanical solutions meet functional and business objectives

Communicate engineering decisions and recommendations to leadership clearly and effectively

Qualification

Mechanical DesignMission-Critical ProjectsData Center StandardsProject ManagementTeam LeadershipStakeholder ManagementMicrosoft OfficeMicrosoft 365Communication SkillsOrganizational SkillsMentoringProblem Solving