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Senior Facilities Mechanical Engineer - Careers at Leidos

Leidos

Senior Facilities Mechanical Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Senior Facilities Mechanical Engineer at Leidos

Leidos seeks a seasoned Senior Facilities Mechanical Engineer to lead design, maintenance, and configuration management of complex building mechanical systems at a secure site in Chantilly, VA. Expertise in air handlers, chillers, boilers, and pumping infrastructure is essential. Thrive in multidisciplinary teams, troubleshooting and optimizing HVAC, plumbing, and control systems for mission-critical performance.

Key Responsibilities

  • Lead end-to-end mechanical design ensuring efficiency and compliance.
  • Collaborate with O&M for proactive maintenance.
  • Integrate with electrical, systems, and architectural teams.
  • Conduct performance analyses and validations.
  • Author engineering reports, designs, and policies.
  • Oversee construction aligning with goals, budgets, timelines.
  • Refine standards, protocols, and procedures.
  • Troubleshoot and implement corrective actions.
  • Create AutoCAD drawings, submittals, specifications.

Basic Qualifications

  • Bachelor’s in Mechanical Engineering (8-12 years) or Master’s (6-10 years).
  • PE license or ability to obtain.
  • 8+ years HVAC/plumbing design for facilities.
  • Mastery of codes, load calcs, layouts, sizing.
  • AutoCAD expert; EMCS/FMCS familiarity.
  • Strong multidisciplinary problem-solving.
  • Excellent communication for leadership.

Preferred Qualifications

  • Active clearance, ideally TS/SCI with Polygraph.
  • SME in mechanical systems.
  • Field experience in construction/integration.
  • Project management proficiency.

Why Leidos?

Join a team that values innovation over convention. Eligible for sign-on incentives. Pay: $107,900 - $195,050 USD/year. Leidos sponsors clearances. For restless innovators ready to elevate facilities engineering.

Locations

  • Chantilly, Virginia, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • HVAC Designintermediate
  • Plumbing Systemsintermediate
  • AutoCAD Proficiencyintermediate
  • EMCS/FMCS Systemsintermediate
  • Load Calculationsintermediate
  • Duct and Piping Layoutsintermediate
  • Equipment Sizingintermediate
  • Building and Energy Codesintermediate

Required Qualifications

  • Bachelor’s in Mechanical Engineering with 8–12 years experience or Master’s with 6–10 years (experience)
  • Registered Professional Engineer (PE) or ability to obtain (experience)
  • Minimum 8 years designing HVAC/plumbing for facilities (experience)
  • Ability to obtain TS/SCI with Polygraph clearance (experience)
  • Expertise in resolving multidisciplinary challenges (experience)
  • Exceptional communication for senior stakeholders (experience)

Responsibilities

  • Lead mechanical design from concept to production
  • Partner with O&M teams on maintenance strategies
  • Collaborate with electrical, systems, and architectural teams
  • Perform analyses to validate mechanical performance
  • Author technical documentation and reports
  • Oversee construction and renovations
  • Establish facility standards and procedures
  • Troubleshoot complex system issues
  • Produce AutoCAD drawings and specifications

Benefits

  • general: Sign-on incentive (PTO or monetary bonus)
  • general: Clearance sponsorship and maintenance
  • general: Competitive pay range $107,900 - $195,050
  • general: Support for TS/SCI with Polygraph
  • general: Multidisciplinary team environment
  • general: Professional growth opportunities at Leidos

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Leidos logo

Senior Facilities Mechanical Engineer - Careers at Leidos

Leidos

Senior Facilities Mechanical Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Senior Facilities Mechanical Engineer at Leidos

Leidos seeks a seasoned Senior Facilities Mechanical Engineer to lead design, maintenance, and configuration management of complex building mechanical systems at a secure site in Chantilly, VA. Expertise in air handlers, chillers, boilers, and pumping infrastructure is essential. Thrive in multidisciplinary teams, troubleshooting and optimizing HVAC, plumbing, and control systems for mission-critical performance.

Key Responsibilities

  • Lead end-to-end mechanical design ensuring efficiency and compliance.
  • Collaborate with O&M for proactive maintenance.
  • Integrate with electrical, systems, and architectural teams.
  • Conduct performance analyses and validations.
  • Author engineering reports, designs, and policies.
  • Oversee construction aligning with goals, budgets, timelines.
  • Refine standards, protocols, and procedures.
  • Troubleshoot and implement corrective actions.
  • Create AutoCAD drawings, submittals, specifications.

Basic Qualifications

  • Bachelor’s in Mechanical Engineering (8-12 years) or Master’s (6-10 years).
  • PE license or ability to obtain.
  • 8+ years HVAC/plumbing design for facilities.
  • Mastery of codes, load calcs, layouts, sizing.
  • AutoCAD expert; EMCS/FMCS familiarity.
  • Strong multidisciplinary problem-solving.
  • Excellent communication for leadership.

Preferred Qualifications

  • Active clearance, ideally TS/SCI with Polygraph.
  • SME in mechanical systems.
  • Field experience in construction/integration.
  • Project management proficiency.

Why Leidos?

Join a team that values innovation over convention. Eligible for sign-on incentives. Pay: $107,900 - $195,050 USD/year. Leidos sponsors clearances. For restless innovators ready to elevate facilities engineering.

Locations

  • Chantilly, Virginia, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • HVAC Designintermediate
  • Plumbing Systemsintermediate
  • AutoCAD Proficiencyintermediate
  • EMCS/FMCS Systemsintermediate
  • Load Calculationsintermediate
  • Duct and Piping Layoutsintermediate
  • Equipment Sizingintermediate
  • Building and Energy Codesintermediate

Required Qualifications

  • Bachelor’s in Mechanical Engineering with 8–12 years experience or Master’s with 6–10 years (experience)
  • Registered Professional Engineer (PE) or ability to obtain (experience)
  • Minimum 8 years designing HVAC/plumbing for facilities (experience)
  • Ability to obtain TS/SCI with Polygraph clearance (experience)
  • Expertise in resolving multidisciplinary challenges (experience)
  • Exceptional communication for senior stakeholders (experience)

Responsibilities

  • Lead mechanical design from concept to production
  • Partner with O&M teams on maintenance strategies
  • Collaborate with electrical, systems, and architectural teams
  • Perform analyses to validate mechanical performance
  • Author technical documentation and reports
  • Oversee construction and renovations
  • Establish facility standards and procedures
  • Troubleshoot complex system issues
  • Produce AutoCAD drawings and specifications

Benefits

  • general: Sign-on incentive (PTO or monetary bonus)
  • general: Clearance sponsorship and maintenance
  • general: Competitive pay range $107,900 - $195,050
  • general: Support for TS/SCI with Polygraph
  • general: Multidisciplinary team environment
  • general: Professional growth opportunities at Leidos

Target Your Resume for "Senior Facilities Mechanical Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Senior Facilities Mechanical Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Facilities Mechanical Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Chantilly VALeidos CareersEngineering Jobs VirginiaDefense FacilitiesGovernment ContractingEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Facilities Mechanical Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.