1784 - Network Security Engineer III
Description
Sigma Defense is seeking a Network Security Engineer III to join our team in San Diego, CA. This position supports the enforcement of DoD cybersecurity policies (STIGs, RMF, NIST SP 800-53) across CANES environments while leveraging expertise in ACAS, Trellix ESS, NetIQ Sentinel, and Splunk. This role requires hands-on system hardening, vulnerability management, and configuration automation via GitLab, GitHub, and Spork/Spork+.
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
- 5 - 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: $120,000 - $150,000 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
Skills
As published by workable · 6 questions
Basics
First name, Last name, Email, Headline, Phone, Address, Were you referred by anyone to this position?, If Yes, who were you referred by and what is your relationship to them?, Education, Experience, Summary, Resume, Have you been previously employed by Sigma Defense, Solute, EWA, JUNO or Sub U?, What are your salary requirements?, Will you need to relocate for this position?, Cover letter
Short answers (2)
- If you possess an active Secret security clearance or higher, please list the approximate or exact activation and expiration date of the clearance. (This information is validated for successful candidates during the hiring process.)
- Are you a transitioning service member interested in SkillBridge opportunities? If so, please list your anticipated retirement date.
Pick from a list (4)
- Are you a citizen of the United States? (Non-Citizens will not be eligible to move forward in the hiring process. Failure to provide accurate information regarding your citizenship will result in an immediate disqualification.)
- Will you require an employment visa or visa sponsorship to work in the United States, either now or in the future?
- Do you possess an active Secret security clearance or higher? (Please note: Falsifying this information is a federal offense. Failure to provide accurate information regarding your clearance status will result in an immediate disqualification.)
- Do you have the ability to work on-site in San Diego, CA?