Systems Engineer III

Systems Engineer III Agile Defense, LLC United States, California, San Diego May 12, 2026 About Agile Defense At Agile Defense we know that action defines the outcome and new challenges require new solutions. That's why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next. Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility-leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation's vital interests. Requisition #: 1597

Job Title:

Systems Engineer III Location:

San Diego, CA Clearance Level:

Secret, Must Have Clearance to Start Required Certification(s): COMPTIA Sec+, C++, CISSP, CCNP Job Description Responsible for engineering and optimizing integrated systems that support enterprise-wide digital transformation initiatives. Develops comprehensive solutions that enhance system reliability, scalability, and security. Leads the evaluation of new technologies and system architectures, providing strategic recommendations to enhance organizational capabilities. Education and Background Typically has a Bachelor's degree in Systems Engineering, Computer Science, or related field, and 4+ years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required. Years of Experience 4+ years Required Skills Apply computer science, engineering principles, and data analysis to design and deliver cost-effective IT solutions Translate business and mission needs into scalable, secure, and practical technology implementations Design, develop, and maintain software applications, systems, and IT infrastructure Implement and optimize methods for processing, storing, and managing data across platforms (cloud, on-prem, hybrid) Develop and integrate new technologies to improve system performance, automation, and user experience Assess cybersecurity risks and ensure systems comply with standards (e.g., RMF, NIST, DoD requirements) Analyze system performance, reliability, and user impact to drive continuous improvement Perform system testing, validation, and quality assurance to ensure functionality and security Monitor and support production environments, including troubleshooting outages and resolving incidents Identify root causes of system failures or vulnerabilities and implement corrective actions Oversee system deployments, upgrades, and maintenance activities Estimate project timelines, costs, and resource requirements for IT initiatives Collaborate with cross-functional teams (developers, cybersecurity, network, and stakeholders) to deliver integrated solutions" Working Conditions Typical Office Environment $120,000

• $140,000 a year Our Core Values Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental.

Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together. What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are. Happy

• Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do. Helpful
• Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated. Honest
• Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support. Humble
• Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task. Hungry
• Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges. Hustle
• Be Driven.

Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. apply for this job