Systems Engineering, Integration, & Test Engineer

Description

Your Mission:

Are you ready to take charge at the cutting edge of national defense? Leidos is seeking a dynamic Junior level Systems Engineer to join our team at Redstone Arsenal, AL or Ft. Belvoir, VA . In this role, you’ll directly impact the Missile Defense Agency's (MDA) Special Access Program Central Office (SAPCO), where innovation meets national security.

In this high‑stakes position, you’ll be the linchpin in developing, integrating, and securing advanced missile defense technologies. Your work will not only protect sensitive information but also shape the future of our defense capabilities. This is more than a job—it’s a chance to leave your mark on national security.

What you will do:

• Guard Critical Technologies: Participate in evaluations of technology integration with a laser focus on protecting critical program information (CPI). Use your analytical prowess to support protection studies and maintain uniform classification standards.
• Design Robust Test Architectures: Assess and define the security needs of missile defense systems—including sensors, interceptors, systems, and communications. Develop fully integrated test architectures in collaboration with program offices and guide the seamless implementation of these designs. Conduct formal risk assessments and implement effective risk management strategies to safeguard CPI and ensure comprehensive security measures for sensitive testing performed in multi‑level security environments.
• Drive Engineering Excellence: Perform critical reviews and technical analysis of program requirements, specifications, test plans, and overall program strategies. Your innovative designs will pave the way for effective development, testing, and fielding of next‑generation missile defense capabilities.
• Execute Specialized Security Strategies: From crafting Program Protection Plans to developing Security Classification Guides, you’ll deploy custom‑tailored security actions to meet a variety of high‑stakes assignments.

Basic Qualifications:

• Educational & Professional Credentials: A Bachelor’s degree from an accredited college/university in science/engineering with 1+ years of engineering experience
• Clearance Credentials: An current DoD Top Secret security clearance with TS/SCI eligibility is a must, ensuring you’re ready to work in the most sensitive areas of national defense.
• Communication Pro: Exceptional technical writing, editing and verbal communication skills, to include briefing and ability to adjust to audience feedback real‑time, shows your clarity and decisiveness under pressure
• Coordination Guru: Exhibits a strong, proactive work ethic by frequent task status updates, follow up, and meeting suspense deadlines driven by time sensitive developmental and operational events

Preferred Qualifications:

• Missile Defense Mastery: Experience in DoD/W environments and/or previous Missile Defense experience (sensors, interceptors, C2BMC, FMS, LO/CLO) will set you apart
• Special Programs Savvy: A background in DoD special programs and familiarity with DoD SAP policy and security posture demonstrates your ability to thrive in complex, multi‑dimensional security environments.
• Detail‑Oriented Proficiency: Your extreme attention to detail and organizational expertise ensure every facet of security is meticulously managed
• Exquisite Memory Repository: Dedication to learning and retaining key program details, classification tear lines, and personnel roles allows for timely assessments and coordination

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 9, 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 $57,850.00 - $104,575.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment‑related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment‑related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.