Systems Engineer, Staff Principal

Make an Impact Where It Matters Most

At BigBear.ai, we're solving some of the most complex challenges in national security and intelligence. We're looking for a Level 3 IT Engineer who thrives in dynamic environments and is passionate about building, maintaining, and optimizing mission-critical systems. If you're ready to lead innovative projects, shape future architectures, and work alongside some of the brightest minds in the industry-this is your opportunity.

As a senior IT Engineer, you'll play a key role in designing, implementing, and maintaining advanced IT systems. You'll work independently and collaboratively to:

• Architect and enhance complex IT systems that support national security missions.
• Lead and contribute to large-scale projects, from planning to execution.
• Troubleshoot and resolve issues across hardware, software, and network layers.
• Recommend and integrate emerging technologies to improve system performance and security.
• Develop documentation, training materials, and technical briefs for stakeholders.
• Collaborate across teams to ensure seamless integration and high system availability.
• Provide strategic input on system upgrades, security protocols, and infrastructure improvements.

• Active TS/SCI with Polygraph (required)
• 12+ years of experience in IT engineering roles supporting federal programs
• (A Master's degree may substitute for 2 years of experience; no degree requires 16 years of experience)
• Bachelor's or Master's in Computer Science, Systems Engineering, or a related field
• Proven experience with system architecture, performance tuning, and troubleshooting
• Strong communication skills and the ability to interface with all levels of an organization

Bonus Points For

• Deep familiarity with NSA IT infrastructure and networks
• Experience leading cross-functional teams and mentoring junior engineers
• A passion for innovation and continuous improvement

Why BigBear.ai?

We're not just another tech company-we're a mission-driven organization where your work directly supports national security. At BigBear.ai, you'll find:

• A collaborative, high-impact environment
• Opportunities for professional growth and leadership
• A culture that values innovation, integrity, and excellence

BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai's predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.

BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.