Find a jobRecruiters

Cyber Systems Engineer

Exclusive opportunity

Onsite

Cyber Systems Engineer

Cornerstone Defense

Cyber Systems Engineer

Skills

LinuxSystem & Network Administration

2 months ago

Share this opportunity

Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.

Important information


Contract type:

Freelance / Contract

Salary:

$90,000 – $165,000 / year

Location:

United States

Work mode:

Onsite

Published on:

10 September 2026

What they need


Cyber Systems Engineer
Sunnyvale, CA
Active Secret or Top Secret
Salary Range: $90,000 – $165,000
Certification Requirements: Current Security+ (CompTIA)

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Job Responsibilities:
The engineer will deliver IT and cyber-systems security support for the COOLR program’s AEHF System Database (ASDB), Flight Software (FSW), and Network AEHF System Testbed-Tools (NAST-T).

  • Responsible for maintaining the digital ecosystem across production and testing environments, ensuring all systems remain efficient, secure, and reliable.
  • Follow a 9x80A schedule.
  • 100% on-site.
  • Requires a bachelor’s degree and a minimum of seven years of relevant experience.
  • Active Security+ certification
  • System Administration (Linux/UNIX, Windows, embedded hardware) – deploy, configure, harden, troubleshoot, and support disaster-recovery (NetBackup/Veeam).
  • Storage Management – install, secure, and monitor NetApp or other NAS/SAN solutions.
  • Cyber-Compliance – apply STIGs, manage patches/upgrades, perform trusted downloads, and maintain RMF-based compliance.
  • Change & Asset Management – execute changes using change-management tools and keep asset inventories up to date.
  • Operational Support – work onsite during day-shift business hours; provide after-hours support when critical operations demand it.
  • Collaboration & Knowledge Sharing – lead technical best-practice discussions, mentor peers, and coordinate with functional teams to resolve issues.

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

Other offers great for you!

These companies are also looking for great profiles

Taleo

Cyber Security Architect

Permanent contract

Madrid, Spain

Hybrid

Skills

Cybersecurity

7 months ago

Quick apply

Futurwork

Ingénieur système cybersécurité

700€/jour

Freelance

Saint-Gilles, Belgium

Hybrid

Skills

PythonKafkaAWSElasticsearchAzureSIEMKibanaLogstash

13 hours ago

Quick apply

Soors

Expert Cybersécurité Senior H/F

Freelance

Lezennes, France

Hybrid

Skills

DevOps

7 hours ago

Quick apply

The best place to find your next move

© 2026. All Rights Reserved.

Talents

Find a job

Create a profile

Solutions and tools