Hiring: Principal Software Engineer – X-Lab Developer (26-411) Company: Northrop Grumman Location: Colorado Springs, CO Job Posted Time: 2026-09-17 04:25:00 Employment Type: Contract / Remote Target Skills & Keywords : Ansible, Bash, CSS, Configuration Management, Git, GitLab, HTML, Java, JavaScript, Linux, MVC, Maven, Mockito, Python, Secret Clearance, Security Clearance, Spring, Spring Boot, Systems Engineering About the job Experience: •3 years of hands-on Java development in a secure or defense-related environment Required Skills: •Northrop Grumman Space Systems—Missile Defense Integration offers an excellent opportunity for a Principal Software Engineer – X-Lab Developer (26-411) •To join our team of skilled and diverse professionals. Based at Schriever Space Force Base, CO, this role is essential to supporting the U.S. President, the Secretary of Defense, and combatant commanders at the strategic, regional, and operational levels. •This position does not provide relocation assistance and requires on-site work with no remote options. •The X-Lab develops and integrates prototypes for future missile-defense capabilities, such as Sensor/Weapon Integration, Algorithm Development, and User Interface Design. To strengthen the team, they seek a mid-level Software Engineer with Secret Clearance and proven skills in these key areas. Qualifications: •Please list your current security clearance and IAT or relevant certifications on your resume, if applicable. •A Bachelor’s Degree in Computer Science, Software Engineering, Engineering, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master’s degree in a related field with 3 years of relevant work experience; or 9 years of relevant work experience may be considered as an alternative to a degree •Applicants must have a current, active Government-Issued 8140 certification at IAT Level II or higher at the time of application, which is required to start. The candidate is responsible for maintaining their 8140 certifications throughout the entire contract period •Applicants must have a current, active in-scope Government-issued Secret security clearance at the time of application, which is required to start •Willingness to travel 10% of the time for business needs •Full-cycle software engineering of new capabilities •Basic Systems Engineering understanding to inform software design •Software development with Java (or another object-oriented language). •Principles and patterns of Object-Oriented development •Should be comfortable with rapidly changing requirements, design challenges requiring novel solutions, fast-paced work, and tight deadlines Compensation: •$103,600 - $155,400 / year •Flexible work environment (work from home / hybrid options) •Competitive benefits and rewards package Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!