Software Engineer III

Software Engineer III – Satellite Ground Systems

Location: Aurora, CO – Onsite

Salary: $210,000–$235,000

Clearance: Active Top Secret/SCI Required | CI Polygraph Preferred

Citizenship: U.S. Citizenship Required

Education: Bachelor’s Degree in STEM Required

About the Opportunity:

Talent Stack is representing a defense and aerospace client seeking a Software Engineer III to develop software for advanced satellite ground systems supporting mission-critical national security operations.

You’ll work alongside engineers, architects, and technical leaders in an Agile environment, developing object-oriented Java applications while working with modern technologies and practices including AWS, microservices, Docker, Kubernetes, DevSecOps, CI/CD, and automated testing .

What You’ll Do

• Design, develop, test, and maintain software for advanced satellite ground systems .
• Develop object-oriented and multithreaded Java applications .
• Collaborate with engineers, architects, and technical leaders in an Agile development environment .
• Contribute throughout the software development lifecycle using established practices for defense software programs.
• Work with modern architectures and technologies, including multi-tiered architectures, AWS web services, microservices, DevSecOps, and CI/CD .
• Develop reliable, scalable software supporting complex, mission-critical systems.

Required Qualifications

• Active and transferable Top Secret/SCI (TS/SCI) security clearance is required prior to start. An active and transferable Top Secret clearance that can cross over to TS/SCI is also acceptable. CI Polygraph is Preferred
• U.S. Citizenship is required due to security clearance requirements.
• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) is required. Masters Degree Preferred.
• Minimum 5+ years of relevant professional software engineering experience . Internships, co-ops, research assistantships, academic projects, and graduate research do not count toward the required years of professional experience.
• Professional experience designing and developing object-oriented software using Java .
• Hands-on experience with Java multithreading .
• Previous experience work in Government Contracting environment preferred.
• Ability to work onsite in Aurora, Colorado .

Preferred Qualifications

• Active CI Polygraph preferred.
• Experience developing satellite planning and scheduling software or comparable systems that coordinate resources, activities, dependencies, workflows, or operational sequences.
• Experience working across the software development lifecycle using SAFe Agile methodology .
• Software development experience using C++ and Python .
• Experience developing microservices in an AWS environment using Docker and Kubernetes .
• Experience with test automation, DevSecOps, and CI/CD processes .
• Experience with development and collaboration tools including Confluence, Eclipse, Jira, Jenkins, JUnit, Kafka, and Spring Boot .

Why Join This Opportunity

• Develop software supporting advanced satellite and space systems with direct national security impact.
• Work with experienced engineers, architects, and technical leaders on complex engineering challenges.
• Expand your experience with AWS, microservices, containerization, DevSecOps, CI/CD, and automated testing .
• Gain deeper exposure to modern software lifecycle practices used on major defense programs.
• Advance your expertise in satellite ground system technologies and architectures .

Eligible employees may receive a comprehensive benefits package including:

• Medical, Dental & Vision Insurance
• 401(k) with Company Match
• Paid Time Off & Paid Holidays
• Life Insurance
• Short-Term & Long-Term Disability
• Employee Assistance Program (EAP)
• Professional Development Opportunities
• Employee Referral Program
• Flexible Spending Account (FSA) and/or Health Savings Account (HSA), where applicable
• Up to 8k Relocation offered

Third-Party Recruiter Policy

No third-party recruiting agencies or staffing firms, please. Direct applications only. Unsolicited resumes submitted by agencies or third-party recruiters will not be accepted and will not create any obligation or fee. Candidates must apply directly through Talent Stack for consideration.

Reference #: X28