Senior Staff / Senior Systems Engineer

About this role

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For over forty-five years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions.

Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered. We are seeking a Senior Staff/Senior Systems Engineer to support the design, integration, and certification of core capabilities for National defense. You will work within a fast-paced team delivering software modeling and simulation of complex sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.

You will implement model-based systems engineering and testing processes in support of a dynamic Agile software development program consisting of Scientists, Engineers, and Developers. The ideal candidate brings strong systems engineering discipline aligned with IEEE 15288, experience interpreting complex standards, and the ability to translate requirements into actionable technical guidance. Responsibilities Develop and apply systems engineering processes aligned with IEEE 15288 Perform requirements derivation, decomposition, allocation, and traceability Analyze tactical data link standards, specifications, and Interface Control Documents (ICDs) to provide implementation guidance to software teams Support internal and external testing to verify system and software conformance to applicable standards Identify ambiguities or interpretation gaps in standards and track related implementation issues from discovery through closure Analyze and document standards conformance to support certification and evaluation for operational use Design and model system architectures for remote sensor data processing systems Mentor SciTec staff in systems engineering processes, methods, and best practices Develop and maintain systems engineering artifacts, including requirements documents, architecture descriptions, and certification evidence Communicate technical concepts clearly through written documentation and verbal briefings Perform other duties as assigned Requirements Bachelor’s degree in Engineering, Computer Science, Mathematics, Physical Sciences, or a related technical field 4+ years of professional experience in engineering, computer science, or remote sensing 2+ years of professional experience specifically in systems engineering Strong attention to detail and ability to manage complex technical information Excellent verbal and written communication skills Ability and willingness to work on site in Boulder, Colorado Ability to obtain and maintain a DoD SECRET security clearance Candidates who have one or more of the following skills will be preferred Active DoD SECRET clearance; TOP SECRET with SCI eligibility strongly preferred Experience supporting certification, evaluation, or operational approval of software or communications systems Domain experience with remote sensor systems, particularly OPIR sensor processing Experience supporting systems engineering programs in the defense or aerospace sectors Prior experience supporting or developing software in Python Experience with Model-Based Systems Engineering (MBSE) Familiarity with SysML and tools such as Cameo / MagicDraw is highly desirable Academic credentials or professional certification in systems engineering (e.g., INCOSE) *Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.