Sr. Systems Security Engineer; Onsite - Richardson, TX) TS​/SCI clearance required

Location:

US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17

Position Role Type:
Onsite

U.S. Citizenship required, as only U.S. citizens are eligible for a security clearance.

Active and transferable U.S. government issued security clearance is required prior to start date. Security Clearance Type: TS/SCI.

The salary range for this role is 95,500 USD - 181,700 USD.

• 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 Government off the Shelf (GOTS) systems, applications, and services against our current architecture, RMF requirements, and application requirements
• Collaborate with cross-functional engineering teams to ensure secure design principles are applied throughout the lifecycle
• Work independently and be self-motivated to ensure the security posture of the system
• Troubleshoot complex security and system behavior across multi-domain, multi-level security environments
• Work in an enclosed classified environment, such as a Sensitive Compartmented Information Facility (SCIF)
• Travel up to 25%

• Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
• ACTIVE and transferable TOP SECRET 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 security clearances
• Experience in integration, testing, and requirements development
• Experience with Linux and Windows administration and hardening
• DoD 8140 certification in compliance with DoDM 8140.03M (e.g., CompTIA Security+)
• Experience with Risk Management Framework (RMF), Security Technical Implementation Guides (STIGs), and system accreditation deliverables

• Networking Experience
• Ability to document & understand physical and wiring of system/network
• Experience with Atlassian/Jira toolset for task management
• Experience with Open Shift/Kubernetes
• Cybersecurity accreditation experience
• Experience with Ansible
• Experience with NAS/SAN
• Experience with backup/recovery
• Experience using Agile methodologies
• Bachelor’s degree in Engineering, Cybersecurity, Computer Science, or related field, or equivalent experience
• 5+ years of experience in system security engineering or secure system integration
• Expertise with Red Hat Enterprise Linux (RHEL) installation, configuration, hardening, and troubleshooting
• Hands-on experience with Ansible automation and infrastructure-as-code methods
• Experience working with Cross Domain Solutions (CDS) or similar multi-level security systems
• Experience with Security-Enhanced Linux (SELinux) policy configuration or troubleshooting
• Familiarity with Host-Based Security System (HBSS) or Endpoint Detection and Response (EDR) security tools
• Experience scripting with Bash, Python, or similar languages
• Understanding of virtualization and container platforms such as Virtual Machine Ware (VMware), Docker, or Podman
• Previous experience supporting DoD or Intelligence Community mission environments
• VMWare VCSA/vCenter/ESXi host administration, load balancing & optimization experience

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution,…