1785 - Network Security Engineer II

Sigma Defense is seeking a Network Security Engineer II to join our team in San Diego, CA.
Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Requirements
3 - 10 years of experience.
Must be a U.S. citizen.
Computer Programs/Software:
ACAS
Trellix ESS
Spork/Spork+
NetIQ SIEM Sentinel
Mandatory Certifications:
Security+ CE or CISSP
At minimum one of the following operating system/platform certifications:
Linux
Windows
VMware
Cisco
Personnel Clearance Level:
Candidate must possess or have the ability to obtain an active Secret security clearance or higher.
Education Requirements:
Bachelor's degree from an accredited college or university.
Essential Job Duties (not all-inclusive):
Implement and enforce DoD cybersecurity policies (STIGs, RMF, NIST SP 800-53) across CANES systems.
Design, Develop, implement and troubleshoot solutions for vulnerabilities within the CANES system.
Lead efforts to harden Windows/Linux systems, applications, network devices, and various hardware within the CANES environment.
Assist with IAVM compliance, log analysis, and audit readiness tasks.
Perform patch management, system scanning, and incident response coordination.
Maintain system documentation, cybersecurity artifacts, and baseline reports.
Support system validation during test events, site assessments, and production installations.
Design, develop, and automate configurations on the following platforms:
RHEL expertise/Admin (RHEL 7+ ideal)
Windows expertise/Admin (Win2019/2020 -> 2025+
SIEM/SOAR, (ArcSight/Splunk/Sentinel etc. Sentinel & Splunk experience Preferred!)
ACAS (engineering, not just user experience)
ESS (Trellix) Engineering (not admins)
Submit configuration updates via GitLab/GitHub, Spork/Spork+.
Salary Range: $95,000 - $136,000 annually.
Benefits
Dental and Vision Insurance
Medical Insurance to Include HSA, FSA, and DFSA Plans
Life and AD&D coverage
Employee Assistance Program (EAP)
401(k) Plan with Company Matching Contributions
160 Hours of Paid Time Off (PTO)
12 (Floating) Holidays
Educational Assistance
Highly Competitive Salary

Work arrangement
No