Systems Engineer with Security Clearance

Radiance Technologies; Boulder (CO); On-site; USD 115,000 - 162,000; Full time

Benefits offered by this job

Equal Opportunity Employer

Job summary

Radiance Technologies in Boulder, CO seeks a technically strong and collaborative Systems Engineer to support a U.S. Government space and national security program. You will apply MBSE practices to mission design, requirements, and baseline management while coordinating with customers and multidisciplinary teams. Strong communication and teamwork are essential.

Qualifications

• US Government Secret clearance with eligibility for TS/SCI and polygraph.
• B.S. in Engineering, Mathematics, Physical Sciences, or Computer Science (relevant experience considered).
• Minimum of eight years of Systems Engineering experience.
• Experience across multiple lifecycle stages (design, integration, test, operations, maintenance).
• Hands-on experience in software, cloud, networking, or cyber domains.
• Excellent written and verbal communication, with strong presentation skills.
• Willingness to live/relocate to Boulder, CO for on-site work.

Responsibilities

• Contribute to all system lifecycle phases: CONOPS, requirements, architecture, design, and testing.
• Maintain system artifacts such as requirements, architecture diagrams, ICDs, use cases, and test plans.
• Lead or participate in Technical Interchange Meetings with stakeholders.
• Collaborate with cross-functional teams, government personnel, and vendors to resolve issues.
• Mentor junior engineers and assume leadership responsibilities when needed.
• Interface with customers with clear attention to detail and strong interpersonal skills.

Skills

Clearance awareness

Team collaboration

Strong communication

Mentoring juniors

Education

B.S. in Engineering or related field

M.S. in Systems Engineering (preferred)

Tools

MBSE tools (Cameo)

DOORS

Jira

Confluence

Job description

Radiance Technologies, a 100% employee‑owned company, is seeking a technically strong and highly collaborative Systems Engineer to support a U.S. Government space and national security program in Boulder, Colorado. This position is ideal for an engineer with strong systems engineering expertise and a collaborative, relationship‑focused mindset. The successful candidate will apply systems engineering practices to mission design, interface definition, requirements, and technical baseline management while working closely with customers and multidisciplinary teams. We are looking for someone who can solve complex technical challenges while building trust with customers, teammates, and partners. Strong communication, teamwork, ownership, and the ability to contribute to a positive team culture are critical to success in this role. Experience with Model-Based Systems Engineering (MBSE) and Overhead Persistent Infrared (OPIR) missions is highly desirable. This is a full‑time, on‑site position in Boulder, Colorado. Remote work is not available. The anticipated compensation for the position is $115,000 -$162,000 based on a full‑time schedule. Your compensation will vary depending on your job‑related skills, experience, and education.

Responsibilities

Contribute to all phases of a system lifecycle including: CONOPS, requirements, architecture, design, development, integration, test, operations, and maintenance

• Maintain and develop system artifacts, including requirements, architecture designs, ICDs, use cases, system flow diagrams, and test plans
• Conduct and/or support Technical Interchange Meetings with internal and external stakeholders
• Work across cross‑functional development teams, government teams, and/or vendors to drive problem resolution and collaboration
• Support additional activities, such as special studies
• Interface with the customer, leveraging strong interpersonal skills and attention to detail
• In some cases, mentor junior and mid‑level engineers and fill a leadership role within the team

Required Experience & Qualifications

• US Government Active Secret Security Clearance required with eligibility for TS/SCI with a polygraph
• Bachelor of Science degree in Engineering, Mathematics, Physical Sciences, Computer Science (relevant experience may be considered in lieu of education)
• Minimum of eight (8) years of experience in Systems Engineering
• Experience with multiple stages of the program lifecycle (design, integration, test, operations, maintenance)
• Significant hands‑on experience in one of the following domains: software, cloud, networking, or cyber.
• Experience working in multi‑disciplinary design and development teams
• Experience with technical risk identification and management strategies
• Ability to communicate technical information via oral presentation and written format
• Strong communication (written and verbal) and presentation skills. Ability to passionately deliver high‑level messaging to various types of audiences--this will eventually include senior leaders. Ability to explain technical concepts clearly to non‑technical personnel
• Self‑motivated individual who actively and independently seeks out opportunities for learning and development
• Collaborates well; enjoys working as part of a team
• Live near or be willing to move to the Boulder, CO area since the work must be performed in the office
• Live near or be willing to move to the Boulder, CO area

Desired Experience & Qualifications

• Active US Government Security Clearance (Top Secret) with eligibility for SCI and a polygraph
• A master's degree in Systems Engineering or a related engineering field.
• Experience supporting Department of War or Intelligence Community space programs.
• Experience with Overhead Persistent Infrared (OPIR) ground systems
• Experience with Model-Based Systems Engineering (MBSE) tools like Cameo, DOORS, Jira, Confluence, or similar engineering and collaboration tools.
• Experience working within an agile workflow team environment

The Radiance Difference

Radiance is a 100% employee‑owned company, and we believe our people are our greatest asset. We are looking for engineers who want to be part of a team‑not simply fill a position. Our most successful engineers combine technical excellence with strong relationships. They take pride in solving difficult problems, but they also understand that great engineering comes from collaboration, trust, communication, and a willingness to help the people around them succeed. If you are a technically capable systems engineer who enjoys working directly with customers, building strong professional relationships, mentoring teammates, and contributing to a positive engineering culture, we want to hear from you.

Radiance Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.