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McCallie Associates, Inc., a wholly owned subsidiary of Alutiiq, LLC, is accepting applications for a Subject Matter Expert (SME) Aerospace Engineer - Space Sensing Systems Engineering & Integration to provide the highest level of systems engineering and integration expertise to the U.S. Space Force's Space Sensing directorate. This role brings deep, recognized expertise in aerospace systems engineering and serves as a technical authority for complex integration challenges across Space Sensing's portfolio of satellite, ground, and user equipment systems

This position will lead technically complex engineering analyses, advise Government program managers and Chief Engineers, and contribute SME-level judgment to the most demanding architectural and integration decisions facing the directorate - including next-generation missile warning capabilities, sensor-to-shooter integration, and modernization of legacy missile warning ground infrastructure. Provide SME-level technical leadership on complex aerospace systems engineering and integration challenges across Space Sensing programs Lead engineering trade studies, system concept evaluations, and architecture analyses; develop recommendations on technical baseline alternatives Advise Government Chief Engineers, program managers, and IPT leads on systems integration approaches, technical risk, and engineering trade-offs Support integration across segments of the overall Tasking, Processing, Exploitation, and Dissemination (TPED) architecture and interfaces between satellite, ground, and user segments Lead reviews of contractor technical baselines, engineering change proposals, and configuration change board submissions Mentor mid-level engineers and analysts; contribute to engineering process improvement and discipline Represent the contractor team at senior technical interchange meetings, working groups, and Government/Industry forums Prepare technical briefings, white papers, and engineering position papers for senior Government audiences This opportunity is for a POTENTIAL CONTRACT award and is contingent upon the contract being awarded. Consideration for a potential contract may require a signed letter of intent.

If the contract is awarded, another position posting will be available on the Company Careers portal.Active Top Secret clearance with SCI eligibility U.S. Citizenship Bachelor's degree in Aerospace Engineering, Astronautical Engineering, Mechanical Engineering, Electrical Engineering, Systems Engineering, Physics, or a closely related discipline from an ABET-accredited institution; Minimum 15 years of progressively responsible aerospace engineering experience, with demonstrated SME-level depth in systems engineering, integration, or architecture Demonstrated experience leading complex systems engineering efforts on DoD space, missile, or sensor systems Recognized technical expertise in at least one of: missile warning satellite systems, missile tracking systems, overhead persistent infrared (OPIR) sensors, satellite-to-ground integration, or strategic/tactical missile warning ground systems Strong written and verbal communication; demonstrated ability to brief Senior Executive Service, general officer, and Chief Engineer audiences Preferred Qualifications Master's or PhD in a technical discipline Prior direct support to SSC/SN, SMC, or predecessor Space Force / Air Force space organizations DAWIA Level III in Engineering or Program Management Recognized industry contributions (peer-reviewed publications, technical society leadership, AIAA/INCOSE technical fellowships) Familiarity with SSC Systems Engineering Plan framework and SSC technical standards INCOSE CSEP or ESEP certification Expected salary range: $195,000 to $250,000 per yearActive Top Secret clearance with SCI eligibility U.S. Citizenship Bachelor's degree in Aerospace Engineering, Astronautical Engineering, Mechanical Engineering, Electrical Engineering, Systems Engineering, Physics, or a closely related discipline from an ABET-accredited institution; Minimum 15 years of progressively responsible aerospace engineering experience, with demonstrated SME-level depth in systems engineering, integration, or architecture Demonstrated experience leading complex systems engineering efforts on DoD space, missile, or sensor systems Recognized technical expertise in at least one of: missile warning satellite systems, missile tracking systems, overhead persistent infrared (OPIR) sensors, satellite-to-ground integration, or strategic/tactical missile warning ground systems Strong written and verbal communication; demonstrated ability to brief Senior Executive Service, general officer, and Chief Engineer audiences Preferred Qualifications Master's or PhD in a technical discipline Prior direct support to SSC/SN, SMC, or predecessor Space Force / Air Force space organizations DAWIA Level III in Engineering or Program Management Recognized industry contributions (peer-reviewed publications, technical society leadership, AIAA/INCOSE technical fellowships) Familiarity with SSC Systems Engineering Plan framework and SSC technical standards INCOSE CSEP or ESEP certification Expected salary range: $195,000 to $250,000 per year