Senior Enterprise Architect, TS/SCI – Cyber & IT Systems

Nightwing; Arlington (VA); On-site; USD 122,000 - 253,000; Full time

Job summary

Nightwing is seeking an Enterprise Architect SME to support a critical U.S. Government mission, providing on-site incident response context and architecture guidance.

This role leads end-to-end technology mapping, workflow diagrams, and cross-functional workshops to ensure compliant, actionable plans across multiple agencies and teams. The position requires 12+ years in systems engineering/architecture, TS/SCI clearance, and strong knowledge of SELC, SAFe, DevSecOps, and RMF/NIST controls.

Qualifications

• 12+ years of direct relevant experience in systems engineering and architecture development.
• Ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.
• Knowledge of Government Information Security policies, regulations, and guidelines.

Responsibilities

• Lead end-to-end mapping of new technology identification, requirements development, and workflows across all CISA Threat Hunt.
• Identify inputs, outputs, and dependencies for each phase of new technology insertion.
• Develop visual diagrams (process flows, swimlanes, dependency maps) to illustrate changes.
• Facilitate workshops with stakeholders to validate workflows and cross-functional impacts.
• Deliver actionable visuals and documentation to support planning, compliance, and readiness.
• Document current and future-State workflows and processes.
• Identify inputs, outputs, and key activities for each phase.
• Map dependencies between initiatives, systems, and teams.
• Develop end-to-end workflow diagrams and swimlane diagrams.
• Validate diagrams with stakeholders and assess impact across divisions.
• Identify gaps and recommend changes to processes or systems.
• Deliver final visuals and documentation to leadership.

Skills

U.S. Citizenship

Active TS/SCI clearance

DHS EOD Suitability

12+ years experience

Cybersecurity architecture

SELC/requirements management

SAFe/Agile

DevSecOps/DevOps

Education

BS in Systems Engineering/CS/Cyber Security

DoD 8140 IAT Level III

CSEP

SAFe certification

Tools

DOORS

Job description

Nightwing is seeking an Enterprise Architect SME to support a critical U.S. Government mission, providing on-site incident response context and architecture guidance.

This role leads end-to-end technology mapping, workflow diagrams, and cross-functional workshops to ensure compliant, actionable plans across multiple agencies and teams. The position requires 12+ years in systems engineering/architecture, TS/SCI clearance, and strong knowledge of SELC, SAFe, DevSecOps, and RMF/NIST controls.