Senior INCOSE Systems Engineer, TS/SCI – Mission Critical

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

Job summary

Markon Solutions seeks an experienced Systems Engineer to support an Intelligence Community client in Chantilly, VA. The role provides systems engineering and programmatic support across the full lifecycle, applying INCOSE principles to requirements, architecture, integration, verification, validation, and execution.

The position requires an active TS/SCI clearance with Full Scope Polygraph, a technical Bachelor's degree, and 5+ years of senior-level INCOSE lifecycle experience.

Qualifications

• Active TS/SCI clearance with Full Scope Polygraph is required.
• Bachelor's degree in Systems Engineering, CS, CE, EE, IT or related field.
• 5+ years of senior-level experience in INCOSE lifecycle support.
• Experience providing programmatic support for high-profile Sponsor programs.
• Strong systems engineering principles: requirements, architecture, integration, verification, validation.
• Experience documenting requirements and lifecycle artifacts.
• Understanding of planning, risk management, milestones, and coordination.
• Ability to translate operational needs into technical requirements.
• Experience collaborating with multidisciplinary teams and government stakeholders.
• Strong written and oral communication skills.

Responsibilities

• Support full INCOSE lifecycle activities from concept to sustainment.
• Apply INCOSE methodologies to requirements, architecture, and validation.
• Develop and manage system requirements and interfaces.
• Support architecture development, assessments, and trade studies.
• Provide programmatic and technical support for sponsor programs.
• Develop and maintain systems engineering documentation and baselines.
• Coordinate integration, verification, and validation activities.
• Conduct risk assessments and mitigation planning.
• Collaborate with sponsors, engineers, and mission personnel to translate needs.
• Support technical reviews, milestones, and program status briefings.
• Monitor progress, deliverables, and dependencies throughout lifecycle.
• Apply CM, change control, and requirements traceability.
• Evaluate emerging technologies for performance and interoperability.
• Communicate complex concepts to technical and nontechnical stakeholders.
• Drive continuous improvement of engineering processes within sponsor environment.

Skills

Clearance coordination

Analytical thinking

Written communication

Verbal communication

Cross-disciplinary collaboration

Problem solving

Technical presentation

Education

Bachelor's degree in a technical discipline

Tools

MBSE tools: Cameo/MagicDraw/Rhapsody

IBM DOORS / Jama Connect

System architecture tools

Job description

Markon Solutions seeks an experienced Systems Engineer to support an Intelligence Community client in Chantilly, VA. The role provides systems engineering and programmatic support across the full lifecycle, applying INCOSE principles to requirements, architecture, integration, verification, validation, and execution.

The position requires an active TS/SCI clearance with Full Scope Polygraph, a technical Bachelor's degree, and 5+ years of senior-level INCOSE lifecycle experience.