Systems Engineer 3 - Mission Systems Lifecycle Engineering

Systems Engineer 3 - Mission Systems Lifecycle Engineering

Location: Annapolis Junction, MDPosition Type: Full-TimeSecurity Clearance Required: TS/SCI with Polygraph

About the Role Navius Technologies is seeking a highly capable Systems Engineer 3 to support mission-critical government programs throughout the full systems development lifecycle. This position applies advanced systems engineering principles in areas ranging from concept development through system retirement. You'll interface directly with stakeholders to manage technical issues, drive performance and quality, and ensure system integrity across a wide range of enterprise and technical processes. This role is ideal for an experienced systems engineer who thrives in collaborative, fast-paced, and security-focused environments.

Key Responsibilities

• Apply systems engineering practices across all life cycle phases: concept, development, production, utilization, support, and retirement
• Provide detailed technical input on architectural decisions, risk trade-offs, and engineering assessments
• Serve as a key liaison between engineering teams and government leadership, offering insight on system performance, integration, and lifecycle planning
• Analyze, define, and validate stakeholder requirements and translate them into effective engineering solutions
• Ensure quality, compliance, and completeness of deliverables aligned with ISO/IEC 15288 process areas
• Lead or contribute to technical process areas including implementation, verification, transition, operation, and maintenance
• Maintain consistent communication with program personnel, government overseers, and senior leadership

Supported Engineering Process AreasTechnical Process Areas:

• Stakeholder Requirements Definition
• Requirements Analysis
• Architectural Design
• Implementation
• Integration
• Verification
• Transition
• Validation
• Operation & Maintenance
• Disposal

Project Process Areas:

• Project Planning
• Project Assessment & Control
• Decision & Risk Management
• Configuration Management
• Information Management & Measurement

Enterprise Process Areas:

• Project Portfolio Management
• Infrastructure & Lifecycle Management
• Human Resource Management
• Quality Management

Agreement Process Area:

• Acquisition and Supply

Qualifications

• 6+ years of relevant systems engineering experience
• Bachelor's degree in a technical field (e.g., Engineering, Computer Science)
• Familiarity with ISO/IEC 15288 systems engineering framework
• Excellent analytical, communication, and technical writing skills
• Active TS/SCI with Polygraph security clearance (required)

Preferred Qualifications

• Experience in DoD or IC mission environments
• Ability to independently lead technical reviews and interface with cross-functional teams
• Experience with Agile, DevSecOps, or model-based systems engineering (MBSE)
• Familiarity with system certification, testing, and accreditation processes

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 futureWe 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.