​​System Architect 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’ is seeking an experienced System Architect Mechanical Engineer to solution tough engineering problems across some of the most challenging programs in our Defense Sector. This is a multi-faceted role that will leverage your experience in design, production, integration, and testing in myriad ways on multiple programs. You will be asked to solution tough, nebulous problems that span multiple engineering disciplines. This role requires a systems-minded leader with the ability to direct technical work based on cost, schedule, risk, and requirements. This is not your average engineering position. You will work on a team of the most talented engineers in the region who push you to be better every day. This is a dynamic role with unique technical challenges that will be a rewarding milestone in any engineering career. If you are up for the challenge of joining this team, then apply today to be considered. 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 technical teams to design, manufacture, and deliver complex defense systems Own the technical baseline across all lifecycle stages—engineering execution, system performance, and requirements compliance Balance technical solutions against cost and schedule constraints Direct subsystem leads, IPT leads, and specialty engineers to drive design maturity, integration, and risk mitigation Identify and manage program risks and opportunities Communicate technical progress, challenges, and opportunities to senior leadership and government stakeholders Mentor and develop technical staff, fostering innovation, rigor, and collaboration Basic Qualifications Bachelor’s degree in Mechanical or Aerospace Engineering from an ABET-accredited university. BS + 15 years of progressive engineering experience (or MS + 13 years) Proven success leading complex, multi-disciplinary teams through development, integration, test, and production Strong technical judgment, with the ability to communicate clearly to both technical and non-technical audiences Hands-on experience with design reviews (PDR/CDR), configuration management, and risk management Active DoD security clearance, or eligibility to obtain Resident of Huntsville, AL or willing to relocate to the Huntsville, AL area. Preferred Qualifications Full-lifecycle experience—design, manufacture, integration, test, and fielding—on at least one product Ability to quickly identify, assess, and communicate the downstream impacts of technical decisions Experience with launchers, canisters, and flight vehicles Experience integrating munitions into land- and sea-based launchers Familiarity with the Patriot launcher Familiarity with the Navy Vertical Launch System (VLS) Familiarity with Army offensive and defensive fires 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 26, 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 $131,300.00 - $237,350.00 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 www.Leidos.com. 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 spam.leidos@leidos.com. 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.