Senior Systems Engineer, Network Architecture & Infrastructure Protection (Onsite)

RTX•Richardson, TX

3d•$95,500 - $181,700•Onsite

About The Position

The Senior Systems Engineer will support Strategic Defense Solutions (SDS) and the development of advanced Strategic Nuclear Deterrence capabilities. The role contributes to the design, integration, and validation of secure, resilient mission systems and supports systems and cybersecurity engineering for next-generation network, compute, and storage technologies, from early-stage development through accreditation and production. The engineer will work with geographically distributed teams and cross-functional disciplines to develop and assess network and system architectures, requirements, security protections, models, and test procedures. The position includes hands-on work in classified lab environments and use of systems engineering and cloud or hybrid technologies. The position is onsite in Richardson, Texas and requires an active, transferable U.S. government Top Secret clearance before the start date; U.S. citizenship is required.

Requirements

Understanding of network architectures, TCP/IP protocols, routing, switching, and VLANs.
Familiarity with network segmentation, access control mechanisms, firewalls, and infrastructure protection techniques.
Systems engineering experience that includes capturing customer requirements, developing concepts of operations, and deriving and tracing system and subsystem requirements.
A STEM degree and at least 5 years of relevant experience, or an advanced degree in a related field and at least 3 years of experience.
An active and transferable U.S. government DoD-issued Top Secret security clearance before the start date; an active, existing clearance is required on day one.
U.S. citizenship, as only U.S. citizens are eligible for a security clearance.

Nice To Haves

Experience with Model-Based Systems Engineering (MBSE), including SysML models such as activity, state, and block diagrams and use cases, using tools such as MagicDraw Cameo, Rhapsody, or Enterprise Architect.
Experience with the Linux operating system.
Familiarity with NIST standards, Risk Management Framework (RMF) processes, and DISA Security Technical Implementation Guides (STIGs).
Agile experience as a scrum master, Product Owner, Release Train Engineer, or in another agile leadership role.
Experience with peer review, configuration management, and change management processes.
Experience participating in root cause analysis and corrective actions.

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, dependencies, and potential operational risks.
Support network hardening and system integrity through access controls, traffic filtering, and secure communication mechanisms.
Analyze network configurations, protocols, and system access mechanisms to identify weaknesses and recommend improvements.
Build complex SysML models, including activity, state, and block diagrams and use cases.
Develop and verify system- and subsystem-level test procedures.
Use VMware or other cloud platforms, including AWS, GCP, Azure, or Oracle, in cloud and hybrid environments.
Use JIRA to decompose features into user stories with clear acceptance criteria.
Support communication among functional discipline groups.
Work hands-on in classified lab environments.
Communicate effectively with management, program team members, and external stakeholders.
Identify, assess, and manage technical risks and opportunities to support program execution, system performance, and mission objectives.

Benefits

Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
401(k) plan with employer matching funds and a separate employer retirement contribution
Tuition reimbursement
Student Loan Repayment Program
Life insurance and disability coverage
Optional pet, home and auto, additional life and accident, critical illness, group legal, and identity theft protection coverage
Birth, adoption, and parental leave benefits
Fertility and family planning benefits
Adoption assistance
Autism benefit
Employee Assistance Plan, including up to 10 free counseling sessions
Wellness rewards program
Virtual doctor visits
Child and elder care services
Second-opinion medical expert program
Relocation assistance may be provided
Flexible spending accounts
Flexible work schedules
Paid time off and holidays
Annual short-term and/or long-term incentive compensation programs may be available, depending on position level and collective bargaining agreement coverage.