Senior Software Engineer 3 - Mission Software Technical Lead

Senior Software Engineer 3 - Mission Software Technical Lead

Location: Annapolis Junction, MD
Position Type: Full-Time
Security Clearance Required: TS/SCI with Polygraph

Position Summary: Navius is seeking a Senior Software Engineer with 20+ years of experience to lead high-visibility software development projects that support critical government missions. This role requires deep technical expertise, leadership skills, and the ability to drive complex software solutions from design to deployment in secure environments.

Key Responsibilities

• Lead multiple software development teams and ensure high-quality delivery aligned with project goals and customer expectations
• Modify and enhance existing software to correct defects, integrate with new hardware, or improve performance
• Design, develop, and modify software systems using scientific analysis and mathematical modeling to predict and evaluate outcomes
• Develop and implement complex algorithms that must meet strict timing, resource, and interface constraints
• Ensure quality control across all software products and enforce best practices in development and documentation
• Collaborate closely with system and hardware engineers to derive software requirements and assess system limitations, performance specs, and interfaces
• Oversee software system installation and monitor system performance to ensure alignment with operational standards
• Recommend and implement new technologies and development processes for high-impact software projects
• Select and tailor software development methodologies in coordination with customer and system engineering teams
• Assign and manage programming and testing tasks, and monitor team performance for adherence to technical and quality standards
• Act as the technical authority across all software development phases—from concept through sustainment

Minimum Requirements:

• Active TS/SCI clearance with Polygraph
• 20+ years of software development experience, including at least 5 years in a leadership or team lead role
• Proven expertise in designing and implementing large-scale, mission-critical systems
• Strong background in software development languages such as Java, C++, or Python
• Deep understanding of algorithm optimization, performance engineering, and systems integration
• Exceptional ability to lead cross-functional teams and manage complex software lifecycles
• Experience in secure or classified environments is highly desirable 

Benefits at Navius Technologies
At Navius, we invest in our people. Our benefits are designed to support your health, financial well-being, time off, and professional growth so you can thrive both on and off the job.

Health & Wellness

• Flexible, customized medical coverage for you and your family
• Health Savings Account (HSA) with tax advantages and year-to-year rollover
• Dental and vision insurance for comprehensive careFinancial Security
• Competitive salaries that reflect your skills and market value
• 401(k) with 8% employer contribution — fully vested on day one
• Life and AD&D insurance
• Short- and Long-Term Disability (STD & LTD) coverage

Work-Life Balance

• Generous paid vacation
• 11 paid holidays
• Sick and safe leave
• Paid maternity leave

Perks & Development

• Annual technology stipend
• Training and development allowance
• Annual profit-sharing program

At Navius, we believe that when you’re supported, you perform your best. Join a company that values your contributions and invests in your future

We provide equal employment opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.