Defense Systems Analyst Jobs (NOW HIRING)

KBR’s Missile, Aviation, and Ground Systems (MAGS) division delivers mission engineering solutions for critical U.S. Army programs, specializing in aviation and ground systems, integrated air and missile defense, and threat and target systems. As a trusted partner of the U.S. Department of War, MAGS provides innovative, technology-driven solutions to enhance national security. With a global presence and a strong ethical framework, KBR ensures secure, effective, and mission-ready capabilities worldwide.

The Missile Defense Systems Analyst provides technical and operational analysis supporting Integrated Air and Missile Defense (IAMD) systems, command and control architectures, communications networks, weapon system integration, and mission performance assessments. The analyst evaluates system behavior through detailed analysis of operational data, communications logs, telemetry records, and test event data to assess system performance and support operational decision‑making. This position focuses on the analysis of uplink/downlink communications, datalink message flow, interface compliance, and end‑to‑end system performance within complex air and missile defense architectures. The analyst reviews system logs and message traffic, evaluates performance against technical requirements and Interface Control Documents (ICDs), conducts post‑event assessments, and provides actionable recommendations to military and government stakeholders.

• Analyze uplink/downlink message traffic, communications logs, telemetry data, and system records to assess weapon system and network performance.
• Evaluate message flow across missile defense architectures to verify proper transmission, reception, processing, and utilization of critical mission data.
• Perform detailed analysis of communications protocols, message structures, and Interface Control Document (ICD) requirements to assess system compliance and identify anomalies.
• Analyze test event data, mission data, and post‑mission logs to characterize system behavior and determine root causes of performance issues.
• Assess end‑to‑end interactions among command and control systems, communications networks, sensors, and weapon systems to evaluate mission effectiveness and system integration performance.
• Support developmental testing, operational testing, system integration events, simulations, and field exercises through data collection, analysis, and post‑event assessments.
• Perform data reduction, trend analysis, statistical analysis, and performance assessments to identify operational impacts and opportunities for system improvement.
• Develop technical reports, analytical products, briefings, and decision‑support materials for government customers, military stakeholders, and engineering teams.
• Collaborate with software engineers, systems engineers, operators, testers, and government personnel to investigate system behavior and resolve technical issues.
• Maintain analytical rigor while meeting critical deadlines in support of time‑sensitive mission requirements.

• Bachelor's degree in Engineering, Computer Science, Mathematics, Physics, Data Science, Operations Research, Information Systems, or a related STEM discipline.
• Relevant military or industry experience may be considered in lieu of a degree.
• 0-10 years of experience
• Active security clearance or ability to obtain and maintain the required clearance.

• Experience with one or more of the following: Systems analysis Test and evaluation Communications systems Missile defense systems Command and control systems Networked tactical systems Data analysis Software‑intensive systems Military operations analysis Experience analyzing technical data, event logs, telemetry data, message traffic, or communication system performance. Ability to interpret technical specifications, interface documentation, message definitions, and system requirements. Familiarity with structured data analysis methodologies and root cause investigation techniques. Experience using tools such as Python, MATLAB, Linux‑based environments, SQL, scripting languages, spreadsheet analysis tools, or data visualization platforms. Experience with Integrated Battle Command System (IBCS), Patriot, LTAMDS, Sentinel, THAAD, Aegis, or other integrated air and missile defense systems. Experience analyzing tactical datalinks, weapon system communications, missile guidance communications, telemetry systems, command and control message traffic, or network protocols. Experience working with Interface Control Documents (ICDs), message standards, communication protocols, software requirements, or system specifications. Experience conducting post‑test analysis, operational assessments, mission reconstruction, verification and validation activities, or system integration assessments. Familiarity with sensor‑to‑shooter architectures, fire control networks, tactical engagement operations, or battle management systems. Knowledge of RF communications, communications architectures, network performance analysis, or communications system integration.

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law. KBR — Delivering Solutions, Changing the World. KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives. In everything we do, we are guided by our ONE KBR Values: We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high‑quality, technology‑led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision‑makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company. We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals. Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. At KBR, We Deliver.