Senior Multi-Disciplined Systems Architect

RTX

. Lead, develop, document, and implement a robust cybersecurity mitigation strategy .

Posted 10/17/2026full-timeRemote • California • United StatesSenior💰 $132,400 - $251,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and implementing cybersecurity strategies while ensuring compliance with NIST-800-171 guidelines. Proficient in Linux administration, automation tools, and enterprise monitoring systems, with a strong focus on mentoring and collaboration across teams.

Highest-signal resume keywords

Cybersecurity Mitigation Strategy DevelopmentLinux Administration (RHEL 7/8/9)Automation Tools (Ansible)Enterprise Logging and Monitoring (Splunk/Zabbix)Secret Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux AdministrationAutomation (Ansible)Scripting (Bash, Python)NetApp Enterprise StorageCIS/STIG BenchmarksDoD Security StandardsSystem MonitoringIncident ResolutionVirtualization (VMware)Audit Readiness

Soft Skills

MentoringCollaborationProblem-SolvingCommunicationLeadership

Tools & Technologies

Enterprise Active Directory (AD)LDAPManaged Anti-Virus Solutions (ClamAV, SEM)Ticketing SystemVMware

Certifications & Qualifications

Linux OS Certificate (RHCSA / LPIC)Secret Security Clearance

Industry Keywords

NIST-800-171CybersecurityAudit ReadinessVulnerability ManagementSystem Hardening

Tech Stack

Tools & technologies

AnsibleCyber SecurityLinuxPythonSplunkVMware

About the role

Key responsibilities & impact

Lead, develop, document, and implement a robust cybersecurity mitigation strategy
Ensure Linux IT resources are patched and hardened according to NIST-800-171 guidelines
Collaborate with Cyber teams to maintain and monitor system availability, performance, and logs using enterprise tools
Build automation workflows using industry standards
Champion processes for hardware and software issues across physical and virtualized VMware environments
Work with operations, supply chain, and legal teams to support mission objectives
Support audit readiness activities and respond to security vulnerability findings
Mentor and guide junior system administrators
Use the ticketing system to resolve incidents submitted by end users
Travel up to 15%

Requirements

What you’ll need

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience
Administration of RHEL 7/8/9, including systemd, firewalld, and SELinux
Administration of NetApp enterprise storage
Ability to obtain and maintain a U.S. government-issued Secret security clearance prior to start date
U.S. citizenship required
Experience with enterprise logging, monitoring, and alerting systems preferred
Experience with automation tools such as Ansible preferred
Experience with CIS/STIG benchmarks and DoD security standards preferred
Linux OS Certificate (RHCSA / LPIC) preferred
Experience with Splunk/Zabbix preferred
Experience with NetApp/OnTap tools preferred
Experience with Enterprise Active Directory (AD) and LDAP preferred
Experience with managed anti-virus solutions (ClamAV and SEM) preferred
Scripting experience with Bash, Python, Ansible, and Kickstart preferred
Active and existing Secret security clearance within the last 24 months preferred
Ability to travel up to 15%

Benefits

Comp & perks

Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan with employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program
Life insurance and disability coverage
Optional pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, and ID theft protection
Birth, adoption, and parental leave benefits
Ovia Health, fertility, and family planning
Adoption Assistance
Autism Benefit
Employee Assistance Plan, including up to 10 free counseling sessions
Healthy You Incentives wellness rewards program
Doctor on Demand virtual doctor visits
Bright Horizons child and elder care services
Teladoc Medical Experts second opinion program
Flexible work schedules
Employee Scholar Program
Paid time off and holidays
Annual short-term and/or long-term incentive compensation programs may be available; payments are not guaranteed