[İş Radarı](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Principal Mission Systems Engineer Active On-site Golden, Colorado Posted · 20.09.2026 Greenhouse (US) # Principal Mission Systems Engineer Loft Federal About Loft Federal Loft Federal is committed to delivering the U.S. national security space community a fast, affordable, and streamlined pathway to orbit. As a wholly owned U.S. subsidiary of Loft Orbital Solutions, Inc., we specialize in providing mission-ready space infrastructure with unmatched efficiency. At Loft, we empower our team with autonomy, ownership, and bold problem-solving opportunities while fostering a tight-knit, supportive environment. We believe that diversity, inclusivity, and community are the foundation of an open and innovative culture. We value kind, collaborative, and mission-driven teammates who excel in problem-solving and communication—because great solutions come from great teams. Are you ready to embark on this exciting journey with us? As a Mission System Engineer, you'll embark on a dynamic journey, working with business development and program management teams to shape multiple satellite missions simultaneously, each boasting a unique multi-payload configuration. Your role will transcend boundaries as you collaborate seamlessly across various teams, including program management, systems engineering, discipline engineering, and AI&T.  In this role, you'll not only contribute to the success of our satellite missions but also have the opportunity to collaborate with a diverse and dynamic team, fostering innovation and driving impactful solutions in the ever-evolving space industry.  Mission Objectives  Collaborate with internal teams and our customers to conduct RF/payload/communication system analysis, modeling, and simulation estimating system performance and maintaining technical budgets.  Engage closely with internal teams and customers to craft and manage system specifications and verification techniques, ensuring alignment with ambiguous customer requirements.  Play a pivotal role in shaping mission CONOPS, fostering partnerships with customers and teammates.  Provide support to program management and product management, serving as a liaison with customers ensuring smooth program execution.   Extend your expertise to support test planning and actively participate in the integration and test campaigns at our spacecraft manufacturer's site, ensuring adherence to rigorous quality standards.  Mission Mandates  Active Top Secret clearance is required with the ability to obtain Sensitive Compartmented Information (TS/SCI) clearance is required.  Preference will be given to candidates with a DoD or Intelligence Community Top Secret background investigation with at least 3 years of eligibility remaining or CE status; and SCI eligibility with current experience in SCI programs and/or Special Access Programs  Must be a US Citizen Mission Credentials  You enjoy being the face of the technical requirements and working with a team to deliver quality hardware.  You pioneer innovation in aerospace bringing commercial space solutions to US government customers.  You have comprehensive system-level knowledge and experience in Tactical RF or Optical subsystems.  As a technical specialist, you analyze subsystem performance introducing novel strategies to accomplish mission objectives.   You thrive in a dynamic and fast-paced development environment, where your ability to adapt and excel under pressure sets you apart.  Prior experience delivering a spacecraft to orbit and/or space-qualified hardware to a customer.  You have 12+ years of experience as a Electrical/Systems Engineer with detailed knowledge of RF and/or Optical Subsystems  Experience with STK, HFSS and requirements management tools highly preferred.  Some of Our Awesome Benefits: 100% company-paid medical, dental, and vision insurance option for employees and dependents Flexible Spending (FSA) and Health Savings (HSA) Accounts offered with an employer contribution to the HSA 100% employer paid Life, AD&D, Short-Term, and Long-Term Disability insurance Flexible Time Off policy for vacation and sick leave, and 12 paid holidays 401(k) plan and equity options Daily catered lunches and snacks in office Fully paid parental leave; 14 weeks for birthing parent and 10 weeks for non-birthing parent Carrot Fertility provides comprehensive, inclusive fertility healthcare and family-forming benefits with financial support Off-sites and many social events and celebrations Relocation assistance when applicable Per Colorado law, we are required to disclose the base compensation range for this role. This range is intentionally wide as we assess individuals based on their unique abilities and experience to find the best fit for our needs. Ultimately, your compensation will be determined by your education, experience, knowledge, skills, and abilities.    In addition to a competitive salary and benefits package, you will find a truly remarkable culture guided by transparency and collaboration and work that is challenging and meaningful. We can't wait to meet you and see what you may add to our team!Salary Range$180,000—$235,000 USDEqual Employment Opportunity & Affirmative Action  Loft Federal is an Equal Employment Opportunity and Affirmative Action Employer. We consider all qualified applicants for employment without regard to race, color, age, religion, sex, gender identity or expression, sexual orientation, marital status, national origin, ancestry, veteran status, genetic information, disability, pregnancy, or any other legally protected status. Accessibility & Accommodations If you require a reasonable accommodation due to a disability when applying for an open position, please contact us at recruiting@loftfederal.com for assistance. We Hire for Talent, Not Just Resumes Research shows that while men apply for jobs when they meet about 60% of the qualifications, women and other underrepresented groups tend to apply only when they meet 100% of the listed criteria. At Loft Federal, we value diverse perspectives, respectful debate, and people who challenge assumptions. If you’re excited about a role but don’t meet every requirement, we strongly encourage you to apply. Third-Party Recruiters & Agencies No outside recruiters, please. Loft Federal does not accept unsolicited resumes from headhunters, staffing agencies, or third-party recruiters. We will not pay fees for candidates submitted without a signed agreement in place.  This job was verified from Greenhouse (US). Applications are completed on the original source. 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