Demo

Senior Systems Engineer

Infinity Systems Engineering
Colorado, CO Full Time
POSTED ON 9/23/2026
AVAILABLE BEFORE 3/21/2027

Infinity’s niche in the aerospace and defense industry is specialized solutions that help bridge the gap between space and ground. This is no small task, and we owe our success to our team who help us fulfill our mission; to match people with their legacies for betterment of the world. There is always a place at Infinity for a motivated, capable individual seeking a career to better the world. We prioritize supporting our team through exceptional benefits, work-life balance, and structured career development. At Infinity, WE ARE MORE – now, come be more with us!










Position Overview






Provide engineering support for the ESS Ground Resilient Integration & Framework for Operational NC3 (GRIFFON) Ground Integration & Framework (GIF) and Systems of Systems Integration (SoSI) contract. During the period of performance, assist team in demonstrating key capabilities and showing progress towards meeting Ground Assembly, Integration and Test (AI&T).










Primary Responsibilities






We are seeking a highly skilled Senior Systems Engineer to join our team and co-lead the identification and demonstration of digital tools for the execution of GRIFFON tasks during the 18-month prototype demonstration period. As a Senior Systems Engineer, you will play a critical role in supporting the development of a digital engineering master plan, including digital twins, to support risk reduction of the system level verification activities.



  • Works with ICDs across stakeholders for interface definition and agreement on implementation and impact to system design.

  • Familiarity with Agile development environments and ability to collaborate with multidisciplinary Agile teams to define system requirements, design, and integration solutions.

  • Requirements decomposition from the ESS overall system design into element and component specifications with both upward and downward tracing in DOORS and horizontal tracing with the System model.

  • Provide system engineering support with NC3 mission, International Partner, protected SATCOM, XDR waveform, and/or AEHF User terminal experience to create, update, deliver GRIFFON engineering artifacts.

  • Identify and analyze key system-level trades across all segments to define ESS top level architecture.

  • Identify, plan, and implement test, analysis, and integration campaigns to verify internal and external interfaces.

  • Identify and define impact assessments, to include cost, schedule, and performance, for all changes to the technical baseline.

  • Develop and coordinate a system requirements verification and sell-off plan.

  • Work with Digital Engineering concepts and tools (such as Model Based Systems Engineering (MBSE)).










Education Requirement: Bachelor’s or master’s degree in engineering or a related field or equivalent combination of experience in lieu of degree


Experience Requirement: 5 years of experience in systems engineering with a focus on digital engineering and risk reduction activities. Experience with NC3 mission, International Partner, protected SATCOM, XDR waveform, and/or AEHF User terminal.


Clearance Requirement: Secret


Minimum Qualifications:



  • Must have 5 years of relevant Systems Engineering experience including experience with System of Systems concepts and architectures as well as experience with verification and validation principles, approaches, processes, and procedures.

  • MILSATCOM experience, to include Milstar and AEHF.

  • Experience with Systems Engineering in an Agile Development (e.g., Scrum, Kanban) environment.

  • Experience with toolsets such as Cameo Systems Modeler and DOORS.




    Preferred Qualifications:

  • Excellent written and verbal communication skills.

  • Self-motivated with an ability to collaborate positively in a team environment with people of different levels of experience and education and virtually in geographically dispersed locations.

  • Ability to work in a fast paced environment that requires work in a SCIF.










Infinity Benefits


 



  • Great Company Culture. Infinity firmly believes that our success is due to the happiness and personal satisfaction of our employees. 

  • Health Benefits. 100% Company Paid Medical and Dental for you AND your family. 

  • Work that Stays at Work. Genuine work/life balance and flexibility. We know our employees have lives outside of work and we support you in living them! 

  • Rest and Relaxation.  Three weeks' Vacation – Front Loaded on the day you start, and we pay for you to go on our company reward trip (ask us about this!)

  • Health and Wellness. We offer 48 hours of sick leave, in addition to your Vacation, as well as Flex-Spending options (Medical and Dependent Care)

  • Prepare for the Future. 401(k) company contribution, with free professional financial planning advisors 

  • Education and Professional Training Reimbursement.  We support our employees career aspirations and growth! 

  • Profit Sharing Plan.  Infinity’s success is due to our employees. Eligible employees are able to participate in our Profit-Sharing Plan. 

  • And more! 


 


U.S. Citizenship is required.


EOE including disability/vet


 


To learn more about our company and benefits, please visit: Infinity Careers






Application Deadline: This will be posted for a minimum of 30 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.

Salary : $140,000 - $155,000

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