Senior Systems Engineer (TS/SCI) - INCOSE Expert Leader

Markon, Inc.; McLean (VA); On-site; USD 155,000 - 185,000; Full time

Job summary

Markon is seeking an experienced Systems Engineer to support an Intelligence Community client in Chantilly, Virginia. This role applies INCOSE principles to requirements development, system architecture, integration, verification, validation, and program execution across the full lifecycle.

You will collaborate with sponsors, engineers, and mission personnel to translate operational needs into technical requirements, conduct risk assessments, and maintain documentation.

Qualifications

• Active TS/SCI clearance with Full Scope Polygraph is required.
• Bachelor's degree in a technical field such as Systems Engineering, Computer Science, Computer Engineering, Electrical Engineering, Information Technology, or a related field.
• 5+ years of demonstrated senior-level experience supporting systems development activities across the INCOSE systems engineering lifecycle within the Sponsor organization.
• Experience providing programmatic support to systems development efforts and high-profile programs within the Sponsor environment.
• Working knowledge of systems engineering principles, including requirements analysis, architecture development, system integration, verification, and validation.
• Experience developing or maintaining systems engineering documentation, technical requirements, and lifecycle artifacts.
• Understanding of technical program management processes, including planning, risk management, milestone tracking, and coordination of engineering activities.
• Ability to evaluate technical requirements, identify engineering challenges, and develop practical recommendations supporting mission objectives.
• Experience collaborating with multidisciplinary engineering teams, program managers, and government stakeholders.
• Strong analytical, problem-solving, and written and verbal communication skills.
• Ability to communicate complex engineering concepts effectively to technical and nontechnical audiences.

Responsibilities

• Support INCOSE systems lifecycle activities from concept development through integration, verification, validation, deployment, and sustainment.
• Apply established methodologies and best practices to support development and implementation of mission-critical capabilities.
• Develop, analyze, document, and manage system requirements aligned with Sponsor objectives.
• Support system architecture development, technical assessments, and engineering trade studies.
• Provide programmatic and technical support to high-visibility Sponsor programs including planning and performance monitoring.
• Develop and maintain systems engineering documentation and lifecycle artifacts.
• Coordinate system integration, verification, and validation activities to meet requirements.
• Conduct risk assessments, gap analyses, and feasibility studies to identify issues and mitigation strategies.
• Collaborate with Sponsor stakeholders to translate operational needs into technical requirements.
• Support technical reviews, milestone assessments, design reviews, and program status briefings.
• Monitor progress, engineering deliverables, and dependencies to ensure program objectives.
• Apply configuration management and traceability across baselines and documentation.
• Evaluate emerging technologies to identify performance and interoperability improvements.
• Communicate complex engineering concepts to technical and nontechnical audiences.
• Support continuous improvement of systems engineering processes and practices.

Skills

Analytical thinking

Problem solving

Written and verbal communication

Cross-team collaboration

Technical communication

Education

Bachelor's degree in a technical field (Systems Engineering, Computer Science, Electrical Engineering, etc.)

Tools

MBSE Cameo

MBSE MagicDraw

MBSE IBM Rhapsody

Requirements tools IBM DOORS/Jama Connect

Job description

Markon is seeking an experienced Systems Engineer to support an Intelligence Community client in Chantilly, Virginia. This role applies INCOSE principles to requirements development, system architecture, integration, verification, validation, and program execution across the full lifecycle.

You will collaborate with sponsors, engineers, and mission personnel to translate operational needs into technical requirements, conduct risk assessments, and maintain documentation.