Project Engineer III

Description

Leidos Defense Sector is seeking a talented Project Engineer III to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber and commercial fields. Leidos Defense Systems provides responsive, cost-effective engineering, scientific and IT solutions.

Our team is solving the world's toughest security challenges for customers with "can't fail" missions. To explore and learn more, click here

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Primary Responsibilities

• The Project Engineer will work alongside design engineers, structural analysis engineers, manufacturing personnel, procurement teammates, program management, and customers to oversee design, analysis, fabrication/assembly, and delivery of critical hardware to various customers.
• The position will work independently with minimal interaction from leadership to manage tasks involving the design and development of structural and mechanical systems for material processing, material characterization, aviation, missile, and ground support projects.
• The Project Engineer will be responsible for managing schedules and budgets as related to their project.
• The Project Engineer will be responsible for the execution of design/manufacturing projects/task orders. This will include being the conduit for most communication beteween the customer POC(s), engineering staff, manufacturing teams, finance team, contracts team, and Leidos line management.

Basic Qualifications

• Bachelor's Degree from an accredited university and 4-8 years experience in engineering and/or project management.
• Candidates must have a working understanding of various manufacturing methods, configuration management practices, and .
• Must possess excellent communication skills suitable for interfacing with a wide range of customers and capable of performing in a collaborative engineering environment working closely with multidisciplinary teams.
• Candidate should have some desire/willingness to mentor junior mechanical designers and/or structural analysts.
• Candidate must be a US Citizen, and must be a resident of the Huntsville, AL area or be willing to relocate.
• Candidate must be able to obtain a DOE Q clearance.
• Candidate must have good organizational skills, attention to detail and work well as a key member of a team often tasked to be highly responsive and agile in order to satisfy critical technology development and hardware Projection needs:
• Proven experience managing to and meeting accelerated schedules
• Effective communication of information between various functional disciplines as well as strong briefing skill with customers.
• Schedule management for multiple task areas at a time
• Understanding the requirements of executing classified tasks.
• Candidate must be proficient using Microsoft Excel, Word, Project, and PowerPoint.

Preferred Qualifications

• DOE Cleared candidate preferred.
• 5 years related experience preferred.
• Strong understanding of hardware development, manufacturing, procurement, Projection, and integration.
• Proficiency using CAD software: Solidworks and/or Creo/ProE
• Experience working in a classified design/manufacturing environment.
• Familiarity with general drafting practices, with a demonstrated ability to create Projection drawings and have experience interfacing with CAD software, and CAD data management.
• Experience interfacing directly with Product Lifecycle Management (PLM) systems such as PTC Windchill.
• Experience interfacing directly with Manufacturing Execution Systems (MES) such as iBase-t Solumina.
• Bachelor's Degree in Mechanical or Aerospace Engineering is strongly preferred.

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."

December 18, 2025

For 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 $87, $157,450.00

The Leidos pay range for this job level is a general guideline only and 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

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.