Currently, ManTech is seeking a motivated, career and customer-oriented **Systems Engineer, Senior** to join our team in the **Lexington Park, MD area** . This is an onsite position. **Responsibilities include but are not limited to:** + Provide technical leadership to a team tasked with identifying, formulating, designing, and testing solutions to known system issues/problems. + Responsible for guiding the development of new and complex systems, employing system engineering methodologies and tools throughout the development phase. + Provide expertise to research, analyze, and develop tools and methods to integrate with modeling environments. + Conduct research in applied systems engineering as necessary in support of advancing the field. **Minimum Qualifications:** + A Master of Arts (MA) or Master of Science (MS) degree in a Technical or Scientific area is required, OR a Bachelor of Arts (BA) or Bachelor of Science (BS) degree in a Technical or Scientific area, PLUS an additional four (4) years of recent and relevant experience, for a total of fourteen (14) years of recent and relevant experience, may be substituted for a MA or MS degree. + 10+ years of recent and relevant experience in an area of engineering; 3 of those years MUST be directly related to DoD systems + This position may require travel within the United States (less than 10%) **Preferred Qualifications:** + Engineering experience with Navy aviation systems. **Clearance Requirements:** + Must be a US Citizen + Top Secret clearance is required to perform work on this contract. **Physical Requirements:** + Tasking is primarily computer based. The person in this position must be able to operate and perform tasking on a PC. + Must be able to effectively communicate with co-workers, Customers, and management through email, phone, and other virtual communication methods (e.g. TEAMS, ZOOM). ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.