Systems Technology Forum, Ltd. (STF) · 2 months ago
Network Defense and Firewall Security Engineer
San Diego, CA, US
Full-time
Onsite
Senior Level
5+ years expSystems Technology Forum, Ltd. (STF) is an established industry partner providing management, engineering, information technology, and logistics services. The Network Defense and Firewall Security Engineer is responsible for safeguarding enterprise and mission networks, ensuring compliance with DoD cybersecurity policies, and collaborating with Cyber and Network Operations teams to maintain resilient network infrastructures.
ConsultingIndustrial EngineeringInformation TechnologyIT Management
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Configure, operate, and maintain enterprise firewalls, intrusion detection/prevention systems (IDS/IPS), and other boundary-defense appliances (e.g., Cisco ASA, Palo Alto, Fortinet, Snort, Suricata)
Perform vulnerability scanning, security-event correlation, and analysis using ACAS, HBSS, and SIEM tools
Develop and maintain firewall and access-control policies that align with DoD RMF and STIG requirements
Conduct incident detection, response, and root-cause analysis to mitigate network threats or anomalies
Support Cross-Domain Solution (CDS) operations and data-transfer controls across classification levels
Coordinate with Network Engineering, System Administration, and Cybersecurity teams to ensure a consistent security posture across the enterprise
Document network-security configurations, change-control records, and security standard operating procedures (SOPs)
Participate in security assessments, inspections, and accreditation activities
Recommend network security improvements, automation, and modernization initiatives aligned with Zero Trust Architecture guidance
Maintain ASA, IPS/IDS, HBSS, and CDS solutions; perform vulnerability scanning and remediation; and support Zero Trust network segmentation and incident response in coordination with enterprise cyber teams
Qualification
Required
Five years experience required
Cisco ASA or Palo Alto experience
Bachelor's degree in Cybersecurity, Computer Engineering, or related discipline (or equivalent technical experience)
IAT Level II certification (Security +)
Secret (eligible for TS/SCI)
Benefits
Medical Plans administered through United HealthCare
Vision and Dental Plan Benefits
401(k) Tax-Deferred Retirement Plan
Accidental Death and Dismemberment Insurance
Dependent / Medical Care Flexible Spending Account
Direct Deposit
Health and Welfare Medical
Holiday Leave
Industry Competitive Salaries
Life Insurance (basic and supplemental)
Paid Time Off / Annual Comprehensive Personal Leave
Performance / Award Bonuses
Professional Development Coursework
Technical Training
Tuition Assistance Program
TotalChoice™ Voluntary Benefits
STF Cares / Paid Time Off to Volunteer
Company
Systems Technology Forum, Ltd. (STF)
Systems Technology Forum, Ltd.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Kurt Toth
Chief Operating Officer (COO)
Jason Jones
Partner | Executive Director, Technology & Business
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