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Sr. Systems Security Engineer; Onsite - Richardson, TX) TS/SCI clearance required
Job in
Richardson, Dallas County, Texas, 75080, USA
Listed on 2026-10-31
Listing for:
VulnU
Full Time
position Listed on 2026-10-31
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer
Job Description & How to Apply Below
· rtx.com Category:
GRC & Compliance
Location:
US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17
Level:
Senior Clearance:
TS/SCI## Quality of life
What the posting states. Hover or tap a perk to see the line it came from.
* Paid parental leave
* Retirement match
* Learning budget
* 30 days PTODate Posted:
Country:
United States of America
Location:
US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17
Position Role Type:
OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type:
TS/SCI - Current Security Clearance Status:
Active and existing security clearance required on day 1
At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. We are seeking a highly skilled Senior Systems Security Engineer to support programs involving Cross-Domain Solutions (CDS) and Site-Based Security Assessments (SBSA) that supports the submittal of DoD Risk Management Framework (RMF) artifacts for operational Authority to Operate (ATO), factory accreditation, and product deployment.
The ideal candidate will have strong experience in secure system design, system hardening, automation, and compliance across Linux-based environments. This role requires deep technical expertise and the ability to support complex security architectures aligned with Department of Defense (DoD) and Intelligence Community (IC) security standards. This role will be worked onsite in Richardson, TX.
Relocation assistance is available. Active and transferable U.S. government issued DoD TOP SECRET security clearance is required prior to start date.
What You Will Do:
Perform system administration and framework duties to ensure proper operation of the product at factory and assist as needed for deployed systems
Support cybersecurity efforts (i.e., artifact development, implementation of security controls and requirements, mitigation tracking, and controls validation) necessary to lead to successful Authority to Operate (ATO) for system.
Perform system security engineering for CDS and SBSA-based systems, ensuring adherence to DoD, National Institute of Standards and Technology (NIST), and Intelligence Community security requirements
Design, deploy, configure, and harden Red Hat Enterprise Linux (RHEL) systems within secure architectures
Develop and maintain Ansible automation artifacts for configuration management, provisioning, and system hardening
Support Risk Management Framework (RMF) accreditation efforts including documentation, security control assessment, evidence generation, and mitigation plans
Conduct security analyses, vulnerability assessments, and remediation planning across system components
Conduct Site-Based Security Assessments (SBSA) at customer facilities as part of program support
Evaluate and monitor Commercial off the Shelf (COTS) and…
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