Description Are you ready to embark on an exciting journey at the forefront of national security? Leidos is seeking a motivated and innovative Entry-Level Systems Engineer to support our mission at Ft. Belvoir, VA, Dahlgren, VA, or Redstone Arsenal, AL . This role offers you the unique opportunity to make a direct impact on the Missile Defense Agency's (MDA) Special Access Program Central Office (SAPCO) , where state-of-the-art defense technology intersects with top-tier security. Your Role: More Than Just a Job In this high-impact position , you'll be the architect behind advanced missile defense solutions , ensuring that mission-critical technologies remain guarded while shaping the future of national defense. Your expertise will secure sensitive systems, enhance integration, and promote innovation in a challenging defense environment that demands excellence. This is your chance to leave an enduring legacy in U.S. defense operations. What You'll Do Protect Critical Technologies: Analyze and secure Critical Program Information (CPI) to ensure that classified innovations remain safeguarded . Your diligence and attention to detail will uphold national defense efforts unharmed . Design Security Architectures: Define security protocols for cutting-edge missile defense systems, integrating secure solutions across sensors, interceptors, and C2 networks. Promote Engineering Excellence: Review program requirements, test plans, and strategies , providing valuable insights to enhance development, testing, and deployment of next-gen missile defense capabilities. Ensure Secure Testing: Develop comprehensive security measures for ground and flight testing in highly classified settings, implementing risk assessments and protective strategies. Implement Security Strategies: Create Program Protection Plans, Security Classification Guides, and tailored security solutions to ensure compliance and operational superiority . Basic Qualifications Degree & Experience: Bachelor's degree in science or engineering with 1+ years of engineering experience. Military Background: Strong Department of Defense or military experience demonstrating your capability to thrive in high-security environments . Security Clearance: Must have an active DoD Top Secret clearance with TS/SCI eligibility . Preferred Qualifications Missile Defense Expertise: Experience in DoD Acquisition or Missile Defense systems (sensors, interceptors, C2BMC, AT, FMS, LO/CLO, CFIUS) . Experience with Special Programs: Background in DoD SAP policy and security operations . Excellent Communicator: Strong technical writing, presentation, and adaptive communication skills to ensure clarity in high-pressure situations. Detail-Oriented: Exceptional attention to detail and process management , ensuring flawless implementation of security measures. Original Posting: June 11, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $55,250.00 - $99,875.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.