Lead Mechanical Engineer

Mission Technologies, a division of HII

. Provide mechanical engineering support for mission-critical facilities, HVAC systems, and utility infrastructure .

Posted 10/13/2026full-timeAlexandria • Virginia • United StatesSenior💰 $122,692 - $190,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in mechanical engineering support for mission-critical facilities, including HVAC systems and utility infrastructure, with a strong focus on design reviews, system evaluations, and lifecycle planning. Proficient in mechanical CAD tools and technical documentation, ensuring effective installation, commissioning, and sustainment of facility systems.

Highest-signal resume keywords

Mechanical Engineering SupportHVAC SystemsMechanical CAD ToolsActive US TS/SCI with PolygraphConstruction Oversight

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical AnalysesFeasibility StudiesDesign ReviewsSystem EvaluationsEngineering DrawingsSpecificationsCalculationsTechnical DocumentationTroubleshootingSustainment

Soft Skills

CreativityProblem Solving

Certifications & Qualifications

Bachelor’s DegreeMaster’s DegreePhD/JD

Industry Keywords

Facilities EngineeringBuilding Mechanical InfrastructureUtility InfrastructureMission-Critical FacilitiesSite AssessmentsEngineering StudiesRequirements DevelopmentTechnical EvaluationsCommissioningModernization Programs

Tech Stack

Tools & technologies

AssemblyTypeScript

About the role

Key responsibilities & impact

Provide mechanical engineering support for mission-critical facilities, HVAC systems, and utility infrastructure
Conduct mechanical analyses, feasibility studies, design reviews, and system evaluations
Develop and review engineering drawings, specifications, calculations, and technical documentation
Support installation, construction oversight, commissioning, troubleshooting, and sustainment of facility systems
Prepare documentation for assessments, commissioning, testing, and as-built conditions
Contribute to lifecycle planning, modernization strategies, and reliability improvements for mechanical systems in CONUS and OCONUS environments
Support planning, assessment, design review, modernization, and sustainment of mission-critical facilities, HVAC systems, and building infrastructure for CONUS and OCONUS customers

Requirements

What you’ll need

9 years relevant experience with a Bachelor’s; 7 years with a Master’s; or 4 years with a PhD/JD
Active US TS/SCI with Polygraph
Experience with mechanical CAD tools, engineering documentation, and hands-on assembly or construction
Ability to interpret drawings, specifications, calculations, design packages, and technical reports
Creativity and comfort with open-ended problem solving
Preferred: experience in facilities engineering, HVAC systems, building mechanical/utility infrastructure, or mission-critical facilities
Preferred: background in site assessments, engineering studies, requirements development, and technical evaluations
Preferred: experience with construction oversight, commissioning, maintenance, and sustainment of mechanical systems
Preferred: experience supporting facility upgrades, recapitalization, and modernization programs
Capable of climbing ladders and tolerating confined spaces and extreme temperature variances

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays
Paid time off
Tuition reimbursement
Early childhood and post-secondary education scholarships
Bonus/other non-recurrent compensation occasionally offered for qualified positions, if applicable
Valuable educational and training programs for continual career growth