Senior Mechanical Engineer

Leidos Inc; El Segundo (CA); On-site; USD 120,000 - 130,000; Full time

Job summary

Leidos is seeking a Senior Mechanical Engineer to support FAA regional office projects in El Segundo, CA. The candidate will lead mechanical design, HVAC systems, and project management for modernization efforts, coordinating design reviews and risk management.

Required are 8+ years in mechanical engineering with building systems experience, CAD drafting with AutoCAD/MasterSpec, and ability to obtain a Public Trust clearance. Onsite work in El Segundo with partial telework possible.

Qualifications

• Bachelor's degree and 8+ years of relevant experience, or Master’s with 4+ years.
• 8 years of mechanical engineering experience including project management and design of building mechanical systems.
• Experience with HVAC components and energy calculations for system sizing.
• Ability to obtain a Public Trust Security Clearance; US citizenship or permanent residency required.

Responsibilities

• Oversee full project management lifecycle for FAA-related mechanical projects.
• Support feasibility, design, planning, and installation of HVAC and environmental control systems.
• Review designs, assemble packages, provide status updates and lead risk meetings.
• Prepare heat load calculations and energy compliance documentation.
• Create CAD drawings and ensure FAA conformance; evaluate design package requirements.
• Assist in drafting project scope and schedules; identify and mitigate risks.

Skills

Project management

Mechanical design

AutoCAD

MasterSpec

Heat load calculations

HVAC systems

Energy compliance

Public Trust eligibility

Education

Bachelor's degree in Mechanical Engineering

Master’s degree (optional)

Tools

AutoCAD

MasterSpec

Job description

Description

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 sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.

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 (Los Angeles area). The Mechanical Engineer will provide engineering support to the FAA Los Angeles Enroute Engineering Center, including project management and project planning for various Air Route Traffic Control Center construction and modernization projects.

Responsibilities

• Provide expertise in all aspects of the complete project management lifecycle.
• Serve as Mechanical Engineering Subject Matter Expert (SME) supporting the feasibility, design, planning, and installation of Heating, Ventilation, Air‑Conditioning, and Environmental Direct Digital Control Systems.
• Participate in team reviews of design and scope, assemble the design package, provide status reports on site project progress and schedule updates, and guide Operational Risk Management and Safety meetings.
• Provide verified heat load calculations, including heating peak, cooling peak, ventilation, and process load calculations used for system sizing and energy compliance.
• Analyze and review existing engineering drawings and documents, provide observations on accuracy and completeness, and recommend improvements.
• Create Computer‑Aided Drafting and Design (CADD) drawings using AutoCAD and MasterSpec in conformance with FAA standards.
• Evaluate system and equipment design package requirements.
• Assist in preparing draft project scope agreements and project schedules.
• Prepare engineering risk assessments and provide recommendations to mitigate potential risks from site, facility, and project/program changes.

Please Note: Must be able to work onsite in El Segundo, CA. Partial telework is possible with manager's approval.

Required Qualifications

• Bachelor's degree and 8+ years of relevant experience OR Master’s degree with 4+ years of relevant experience. Additional experience may be considered in lieu of a 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, furnaces, direct expansion cooling coils, unitary rooftop 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 for system sizing and energy compliance.
• Prepared design development and construction drawings, including initial schematic, design development, and final construction drawings for plan check submittal.
• Ability to obtain a Public Trust Security Clearance Suitability. Eligibility requires U.S. citizenship or permanent residency with continuous residence in the U.S. for the past 3 of the past 5 years.

Desired Qualifications

• Familiarity with FAA and the National Airspace System (NAS) is a plus but not required.
• Professional Mechanical Engineer registration is a plus but not required.

Pay Range: High $120,000 to high $130,000 with slight wiggle room, depending on experience. Additional factors considered include responsibilities, education, experience, skills, internal equity, market data, and other legal requirements.

Pay and Benefits

Compensation packages include competitive base pay, Health and Wellness programs, Income Protection, Paid Leave and Retirement, and other benefits. For more information, visit Leidos Pay & Benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Securing Your Data

Leidos will never request payment‑related information or advance money during the application process. Communications from Leidos will be generated by the Leidos.com automated system and will use official email domains. If you receive suspicious requests, contact [e-mail].