Cleared Senior​/Principal R&D Systems Engineer - W93​/Mk, Onsite

What Your Job Will Be Like

We are seeking an R&D Systems Engineer to join the W93/Mk7 Requirements Team and take a leading role in shaping the first ND Phase‑X system developed in decades. This unique opportunity places you at the heart of innovation, collaborating with top experts across Sandia National Laboratories and the broader Nuclear Security Enterprise. Your work will drive advancements that serve as a force multiplier for national security.

In this role, you will be at the forefront of developing and deriving the requirements that define system and component designs to meet critical federal customer needs. You will help build the foundation for how the W93/Mk7 Program executes, maintaining a clear focus on the big picture and influencing the product realization process from its earliest stages. Additionally, you will engage with new Digital Engineering tools and processes that are setting the standard for future modernization programs.

• Collaborate with your team to create and establish the baseline requirements for the program
• Work across systems and partner organizations to negotiate derived and interface requirements
• Support and prepare materials for internal and external requirements reviews
• Author key documents, develop processes, and enhance tool capabilities to establish W93 requirements and requirements mapping
• Use ERMS and Model-Based Systems Engineering (MBSE) tools, including DOORS NEXT and Cameo software, to perform system modeling and derive requirements
• Engage regularly with partners at Sandia, Los Alamos National Laboratory, Lockheed Martin Space, Applied Physics Lab, Navy Strategic Programs, and the National Nuclear Security Administration

This position will require some travel. Due to the nature of the work, the selected applicant must be able to work onsite.

$117,500 – $235,700

* Salary range is estimated, and actual salary will be determined after consideration of the selected candidate's experience and qualifications, and application of any approved geographic salary differential.

• Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
• Active DOE Q level clearance or equivalent to start

• Graduate degree in Engineering or a highly related field where an independent research project was a graduation requirement (e.g., independent project, thesis, or dissertation)
• Experience working with Nuclear Security Enterprise laboratories and plants including Pantex, Kansas City National Security Campus, Lawrence Livermore Laboratory, and Kansas City National Security Campus/New Mexico Operations
• Experience working on engineering design, qualification, production, or related modeling/simulation projects
• Strong verbal and written communication skills, ability to work effectively in multidisciplinary teams

Also, for this posting we are seeking individuals with the following experience:

• Recent experience working on a nuclear weapon modernization program
• Working knowledge of nuclear deterrence programs and product realization processes
• Experience in systems engineering of complex systems, including components and system requirements engineering
• Proficiency with requirements management tools such as DOORS
• Experience with modeling and Model-Based Systems Engineering (MBSE) approaches and tools, including Cameo software
• Demonstrated ability to plan, organize, and execute technical work while managing multiple competing priorities with urgency and attention to detail
• Strong negotiation skills to balance competing requirements and achieve optimal system-level outcomes
• Proven ability to integrate and collaborate effectively across cross-organizational, multidisciplinary technical teams to resolve issues and conduct trade-offs
• Ability to work independently and lead initiatives, as well as contribute effectively within team environments
• Demonstrated ability to mentor and support less experienced engineers to foster team growth and knowledge sharing

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status and any other protected class under state or federal law.