Job Description See what you are missing. Our employees work on the world’s most advanced electronics – from providing the latest technologies in Smart Munitions sensor solutions to illuminating the night for soldiers. Spanning air, land, sea, and space, we are developing the technology of tomorrow, delivered today. Drawing strength from our differences, we are innovating for the future. In addition, you can, too. Our flexible work environment provides you with a chance to change the world without giving up your personal life. We put our customers first – exemplified by our mission: “We Protect Those Who Protect Us®.” Sound like a team you want to be a part of? Come enhance your career with us. BAE Systems, Precision Guidance and Sensing Solutions (PGSS) Product Line, within the Precision Strike (PS) Business Area, has an immediate opening for a Senior Principal Systems Engineer that is well versed in the overall Systems Engineering process and associated phases of the program life cycle. In this position, the candidate is expected to support our Advanced Precision Kill Weapons System (APKWS) portfolio of development projects. This may also include being able to provide ongoing support to supplier activities as needed to meet delivery schedules and design review requirements. Key Responsibilities: • Establish requirements baseline for programs along with understanding how and why requirements decomposition and traceability • Specification development, organization and overall requirements development understanding –necessary, sufficient, and verifiable • Develop requirements in response to customer operational needs and mature operational concepts, and derive technical baselines necessary to meet the requirements • Assist in the flow down of requirements to testable modular hardware and software Required Education, Experience, & Skills • Bachelor's degree in an engineering discipline, preferably Mechanical/Aeronautical Engineering • Minimum of 8 years of applicable experience • Active Secret Clearance • Experience working across the entire Systems Engineering Lifecycle with emphasis on the ‘Left Side of the VEE Diagram’ • Experience using Model Based Systems Engineering tools such as Magic Draw and CAMEO • Experience communicating effectively with senior leadership and other engineering disciplines • Experience aiding in the ability to understand and generate CONOPS    Preferred Education, Experience, & Skills • Experience with Semi-Active Laser Systems • Experience in DASAL Technology and Laser Guided Munitions • Familiarity with Aeronautical properties and Computational Fluid Dynamics • Ability to Coordinate vendors and teams in development of passive/active sensor systems for test/evaluation • Support trade studies, presentations, proposals and related activities • Experience leading technical teams • Ability to understand and generate CONOPS    Pay Information Full-Time Salary Range: $132962 - $226035 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems, Inc. BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support. Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.