Senior Aerospace Systems Engineer
Scitec Innovations
Boulder, CO · Posted September 25, 2026
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November 2026
- #1Best cities for pay after cost of living in the Mountain West$144k · of 11
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Rankings about engineering jobs
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- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
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How AI is used in this kind of work
AI use among aerospace engineers is little observed so far. Measured exposure for aerospace engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
SciTec, a Firefly Aerospace Company, 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.
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Benefits
SciTec offers a highly competitive salary and benefits package, including:
4% Safe Harbor 401(k) match
100% company paid HSA Medical insurance, with a choice of 2 buy-up options
80% company paid Dental insurance
100% company paid Vision insurance
100% company paid Life insurance
100% company paid Long-term Disability insurance
Short-term Disability insurance
Annual Profit-Sharing Plan
Discretionary Performance Bonus
Paid Parental Leave
Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
Flexible work hours
The pay range for this position is $127,000 - $193,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.
SciTec is proud to be an Equal Opportunity employer. VET/Disabled.