Onsite Systems IT Engineer – Clearance & Cyber Compliance

Cornerstone Defense LLC

United States

On-site

USD 125,000 - 160,000

Full time

3 days ago

Be an early applicant

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Job summary

Cornerstone Defense LLC in Sunnyvale, CA seeks a Systems IT Engineer to deliver IT and cyber-systems security support for the AEHF system database, flight software, and testing tools on-site at the LockheedMartin Sunnyvale campus. Must maintain the digital ecosystem across production and testing environments for efficiency, security, and reliability.

Require active DoD Secret clearance (final Top Secret possible) and Security+ certification; 100% on-site work and a 9x80A schedule.

Qualifications

Must hold Active Final DoD Secret security clearance (future Top-Secret may be required).
Security+ certification required.
On-site 100% work arrangement (9x80A).

Responsibilities

Linux/UNIX system administration: deploy, configure, harden, troubleshoot, and disaster-recovery support (NetBackup/Veeam).
Storage management: install, secure, and monitor NetApp or NAS/SAN solutions.
Cyber-compliance: apply STIGs, manage patches/upgrades, perform trusted downloads, RMF-based compliance.
Change and asset management: execute changes using change-management tools and maintain asset inventories.
Operational support: work on-site during day-shift hours; provide after-hours support when needed.
Collaboration and knowledge sharing: lead best-practice discussions, mentor peers, coordinate with teams to resolve issues.