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Senior Aerospace Systems Engineer

Scitec Innovations

Boulder, CO · Posted September 25, 2026

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  • Python
  • Agile

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.