Mechanical Engineer

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. Your greatest work is ahead! Leidos’ Defense Systems is seeking a talented Senior Mechanical Engineer for its Hypersonics line of business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. The selected candidate will support the Common Hypersonic Glide Body program (CHGB). The CHGB is the Army’s #1 priority for strategic weapons capability for long-range precision fires and will counter and gain a lead on our adversaries' technological advances in this field, come join us in this exciting, cutting-edge field. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here! Are you ready to make an impact? Share your resume with us today! Primary Responsibilities. Lead engineering activities for the CHGB Payload Assembly. Ensure complete and accurate definition of payload assembly components, subsystems, and ground support equipment within the Technical Data Package (TDP). Work with the design agent to incorporate design changes that enhance manufacturability, quality, and production efficiency. Collaborate with operations teams to identify and resolve production bottlenecks impacting manufacturing flow. Coordinate with supplier program managers to ensure timely and reliable delivery of hardware and components. Work closely with manufacturing engineering to develop and refine work instructions, streamline processes, and optimize production operations. Provide direct support to technicians during payload assembly and integration activities, including periodic onsite work within classified environments (~10% of time). Disposition nonconforming hardware and lead Root Cause and Corrective Action (RCCA) investigations. Lead the Failure Review Board (FRB) process to resolve technical issues. Identify, assess, and communicate program risks and improvement opportunities to the Risk and Opportunity (RIO) Board. Serve as a technical representative to the customer, providing program status updates and communicating engineering and manufacturing activities. Basic Qualifications. Bachelor’s degree in engineering from an ABET accredited institution with 8+ years of relevant experience. Proficiency with CAD tools such as Creo, CATIA, AutoCAD, or SolidWorks. Experience working within Product Lifecycle Management (PLM) environments. Work knowledge of GD&T (ASME Y14.5) and tolerance stack-up analysis. Understanding of engineering drawings, specifications, and configuration management processes. Experience supporting issue resolution in a production environment. Demonstrated ability to lead technical reviews and collaborate with internal and external stakeholders. Strong attention-to-detail, analytical thinking, and problem-solving skills. Excellent communication and collaboration skills. Experience interacting directly with customers and representing engineering organizations. Self-starter with a demonstrated ability to work independently and in team environments, as well as ability to provide clarification and instruction to others. Proficiency with Microsoft Office applications (Word, Excel, PowerPoint). Preferred Qualifications. Active security clearance. Experience supporting DoD programs related to missile systems, reentry vehicles, or hypersonic technologies. Prior work in assembly, integration, or testing of missile systems. Experience supporting rapid development, prototyping, or fast-paced engineering programs. Familiarity with AS9100 aerospace quality management systems. Knowledge of MIL-STD-31000 Technical Data Package (TDP) development. Experience creating engineering drawings using PTC Creo and managing data in Windchill. Understanding of cost, schedule, and programmatic impacts associated with engineering deliverables. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: June 9, 2026 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: Pay Range $107,900.00 - $195,050.00 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. 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 $17.2 billion for the fiscal year ended January 2, 2026. 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 here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity 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.