Senior Network Architecture & Security Engineer

RTX; Richardson (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Collins Aerospace seeks a Senior Systems Engineer to advance mission-critical defense capabilities. You will deploy MBSE-driven network, compute, and storage solutions and validate secure systems across cloud and on‑prem environments.

You will collaborate with distributed teams to translate customer requirements into system-level designs, support integration, testing and accreditation, and work onsite in Richardson, TX with Top Secret clearance.

Qualifications

• Understands network architectures, TCP/IP protocols, routing, switching, and VLANs.
• Familiarity with network segmentation, access controls, firewalls, and infrastructure protection techniques.
• Proven experience in systems engineering including capturing requirements and deriving system/sub-system requirements.
• Ability to model complex systems using SysML and MBSE principles.
• Active DoD Top-Secret clearance (or ability to obtain)
• Strong communication across management, program teams and external stakeholders.

Responsibilities

• Develop, analyze and maintain system-level requirements related to network infrastructure connectivity and system protection.
• Evaluate network and system architectures against technical standards to identify vulnerabilities and risks.
• Support network hardening and system integrity through access controls and secure communications.
• Analyze network configurations, protocols, and access mechanisms to identify weaknesses and improvements.
• Build complex SysML models (activity, state, block diagrams, use cases).
• Develop and verify test procedures at system and sub-system levels.
• Utilize VMware and cloud platforms (AWS, GCP, Azure, Oracle) in cloud/hybrid environments.
• Use JIRA to decompose features into user stories with acceptance criteria.
• Support cross-disciplinary communication within the organization.
• Engage in classified labs to apply hands-on expertise.
• Communicate effectively with all management levels and stakeholders.

Job description

Collins Aerospace seeks a Senior Systems Engineer to advance mission-critical defense capabilities. You will deploy MBSE-driven network, compute, and storage solutions and validate secure systems across cloud and on‑prem environments.

You will collaborate with distributed teams to translate customer requirements into system-level designs, support integration, testing and accreditation, and work onsite in Richardson, TX with Top Secret clearance.