Senior Principal Systems Architect - Cybersecure Linux

Prattwhitney; San Jose (CA); Hybrid; USD 146,000 - 277,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) with employer matching

Job summary

Applied Signal Technology, a Collins Aerospace company, seeks a Senior Principal Systems Architect for cybersecurity, Linux administration, and automation. The role emphasizes collaboration with cyber teams to sustain system availability and respond to vulnerabilities.

Onsite in San Jose with relocation not provided, and up to 15% travel. The candidate will mentor junior staff, work with VMware environments, NetApp storage, and adherence to DoD/CIS/STIG standards while supporting

Qualifications

• Typically requires a STEM degree and 10+ years of relevant experience.
• Demonstrated administration of RHEL 7/8/9 (systemd, firewalld, SELinux).
• Experience with NetApp storage and enterprise logging/monitoring tools.

Responsibilities

• Lead and implement a cybersecurity mitigation strategy aligned with NIST-800-171.
• Collaborate with Cyber teams to maintain system availability, performance, and logs.
• Develop automation workflows and leverage enterprise tooling (e.g., Ansible).
• Mentor junior system administrators and resolve incidents using ticketing systems.
• Work with operations, supply chain and legal teams to support mission objectives.

Skills

Linux administration

Cybersecurity

Scripting (Bash/Python)

Team collaboration

Mentorship

Education

STEM degree

Tools

Ansible

NetApp OnTap

Splunk

Zabbix

VMware

RHCSA / LPIC

Job description

Applied Signal Technology, a Collins Aerospace company, seeks a Senior Principal Systems Architect for cybersecurity, Linux administration, and automation. The role emphasizes collaboration with cyber teams to sustain system availability and respond to vulnerabilities.

Onsite in San Jose with relocation not provided, and up to 15% travel. The candidate will mentor junior staff, work with VMware environments, NetApp storage, and adherence to DoD/CIS/STIG standards while supporting