Senior Mechanical Engineer
El Segundo, CA - USA
Job Summary
Looking for an opportunity to make an impact
At Leidos we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams contribute to our communities and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers our people and our community. Our Mission Vision and Values guide the way we do business.
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The Digital Modernization Sector brings together our digital transformation and IT programs allowing us to better serve our customers through scale and repeatability.
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The NISC IV program at Leidos is seeking a Senior Mechanical Engineer to work in the Federal Aviation Administration (FAA) Regional Office in El Segundo CA which is in the Los Angeles area.
The Mechanical Engineer will provide engineering support to the FAA Los Angeles Enroute Engineering Center which includes project management and project planning for various Air Route Traffic Control Center construction and upgrade modernization projects.
Specific duties for this position include:
Provide expertise in all aspects of the complete project management lifecycle.
Provide Mechanical Engineering Subject Matter expertise (SME) support by overseeing the feasibility design planning and installation of Heating Ventilation and Air-Conditioning and Environmental Direct Digital Control Systems.
Provide Mechanical Engineering SME ) support through dynamic participation in team reviews of design and scope and assembly of the design addition provide status reports on site project progress status reports on schedule updates participate in Planning and Requirements Group (PRG) matrix meetings and guide Operational Risk Management and Safety meetings.
Provide verified heat load calculations including: heating peak cooling peak ventilation and process load calculation used for system sizing and final calculation for energy compliance.
Analyze and review existing engineering drawings and documents and provide observations on accuracy and completeness and recommendations for improvement.
Provide Computer-Aided Drafting and Design (CADD) drawings using AutoCAD and MasterSpec in conformance with FAA standards.
Provide/evaluate system and equipment design package requirements.
Assist in preparing Draft project scope agreements and project schedules.
Prepare engineering risk assessments and provide recommendations and proposals of actions or improvements to mitigate potential risks resulting from site facility and project/program changes.
Please Note: Must be able to work onsite in El Segundo CA. The position has partial telework potential for part of the work week with managers approval.
Required Qualifications:
Bachelors degree and 8 years of prior relevant experience OR Masters degree with 4 years of prior relevant experience. Additional years of relevant experience maybe considered/accepted in lieu of degree.
8 years of applicable mechanical engineering experience including project management and design of building mechanical systems.
Experience with ductless split systems heat recovery systems residential type split systems furnace direct expansion cooling coils unitary roof top package units variable air volume systems air handling units chillers boilers vehicle exhaust systems and other heating cooling ventilation air distribution pumping hydronic piping and indoor air quality systems.
Performed and verified heat load calculations which include: heating peak cooling peak ventilation and process load calculation used for system sizing and final calculation for energy compliance.
Prepared design development and construction drawings which include: initial schematic design development and final construction drawings for plan check submittal.
Ability to obtain a Public Trust Security Clearance Suitability (To be eligible for Public Trust Security Clearance one must be either a U.S. Citizen OR a U.S. Permanent Resident/Green Card holder who has resided in the U.S.A for the past 3 years of the past 5 years consecutivelywith no breaks).
Desired Qualifications:
Familiarity with FAA and the National Airspace System (NAS) is a plus but not necessary.
Professional Mechanical Engineer registration is a plus but not absolutely necessary.
Please Note: The program budget salary for this role could fall anywhere between high $120000 to high $130000 with a slight wiggle room (no guarantees) based on relevant experience and assessment. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
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If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
July 13 2026For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $107900.00 - $195050.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Senior IC
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.