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! If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense Systems is seeking a highly motivated Sr Surety Engineer who loves collaboration and being a part of something big, to join our team. This role drives the implementation of Value Driven Design and advanced Model-Based Systems Engineering (MBSE) workflows across complex, high-priority DoD portfolios. As a Leidos Sr Surety Engineer, you will bridge systems architecture, parametric lifecycle modeling, and cross-functional engineering execution. 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 Performing decomposition of Department of Defense safety manuals into requirements and allocating them to design teams for implementation Provide systems engineering expertise to the design, integration, and testing of a next generation weapon system Participate in technical planning, system integration, verification, validation, cost, risk, supportability, and analysis for mechanical, electrical, and integrated systems Evaluate the physical security design based on the Department of Defense Safety manuals Interface directly with various compartments of the Department of Defense and Department of Energy to ensure safe design and operation of nuclear weapon systems Use model-based engineering tools on a new major weapon system to pioneer a new way to evaluate and analyze modern design Basic Qualifications Bachelor’s degree in an engineering or science discipline 10+ years of relevant experience with a bachelor’s degree, or 8+ years with a master’s degree in science or engineering for complex aerospace, missile, or defense systems. Demonstrated experience owning end-to-end systems engineering (requirements, architecture, interfaces, integration, verification, and validation) on large or complex projects. Experience with missile, high-speed flight, or advanced weapon systems (e.g., hypersonics, ballistic missiles, interceptors, or similar). Experience with requirements and configuration management tools (e.g., DOORS or equivalent); familiarity with MBSE concepts and tools. Proven ability to lead cross-functional engineering teams and resolve complex technical issues. Strong written and verbal communication skills, including experience briefing leadership and customers. Active DoD Secret clearance with ability to obtain and maintain a Top Secret clearance; Top Secret or TS/SCI preferred. U.S. citizenship required. Active DoD Top Secret or TS/SCI preferred. Candidate must be a resident of or be willing to relocate to the Albuquerque, NM or Huntsville Alabama area. Preferred Qualifications Master’s degree in in an engineering or science discipline Direct experience on hypersonic boost-glide, air-breathing hypersonic, or other high-Mach flight test or weapon programs. Experience with responsibility for technical scope, cost, and schedule on government contracts. Experience in the area of surety/security for nuclear weapons Experience in working with digital communication systems Experience in system engineering of complex systems; Direct experience with NW component or system design, development or production Experience within the NNSA nuclear complex Experience with weapon systems and weapon system teams Demonstrated ability to integrate multiple systems into a singular solution Appkinetic 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: November 4, 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 $154,050.00 - $278,475.00 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 [email protected]. 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.

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