Software Engineer

Loft Federal•Arvada, CO

19d•Hybrid

About The Position

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? Loft Federal is seeking an Software Engineer with experience in Security to design and secure the systems behind our national security space missions. You will own the security architecture from day one. You will join a small, senior team where your expertise carries weight and your work shows up in the mission right away. You will partner with software, systems, infrastructure, and mission engineers. Together you will build security into each phase of the system lifecycle, from architecture and implementation through authorization and continuous monitoring. This role pairs hands-on engineering with RMF execution. Our systems meet government security requirements and our missions ship fast. This is a full-time hybrid role in Arvada, CO.

Requirements

Active Top Secret clearance (TS/SCI eligibility preferred)
Bachelor's degree in Cybersecurity, Computer Science, Engineering, or a related technical field
One IAT Level III certification: CISSP, SecurityX (CASP+), CCNP, or CCSP
5+ years of software engineering experience with a security focus, such as systems security engineering or cybersecurity engineering
Hands-on experience with C++ and Python
Experience implementing DoD RMF and NIST SP 800-53 controls
Experience building RMF artifacts and supporting ATO efforts
Working knowledge of system hardening and vulnerability management
Solid grasp of secure system architecture
Strong communication and collaboration skills
Must be able to work onsite 3 days per week, and travel up to 10%

Nice To Haves

Experience on DoD, Intelligence Community, or national security space programs
Windows and Linux administration
Cloud security, Kubernetes, containers, or DevSecOps
ACAS, Nessus, DISA STIGs, or similar assessment tools
Zero Trust Architecture

Responsibilities

Build cybersecurity into the design and development of space and ground systems.
Design secure architectures and implement controls aligned to NIST RMF and DoD requirements.
Find, assess, and fix vulnerabilities with engineering teams.
Support system hardening, vulnerability management, and continuous monitoring.
Lead security architecture reviews, threat modeling, and risk assessments.
Integrate security into automated pipelines with DevSecOps teams.
Work with government customers, ISSMs, and program teams to keep systems compliant and mission ready.

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