Junior Network Security Engineer - SOC & Threat Ops

General Dynamics IT; Ashburn (VA); On-site; USD 85,000 - 116,000; Full time

Benefits offered by this job

Medical plan options

401(k) with company match

Flexible work weeks

Job summary

General Dynamics IT in Ashburn, VA seeks a Junior Network Security Engineer to support CBP’s Cyber Security Directorate in a fast-paced, mission-critical SOC environment. You will help monitor, maintain, and enhance enterprise network security—deploying firewalls, IDS/IPS, VPNs, and NAC—and contribute to protecting national assets.

The role requires 3+ years in network/security engineering, familiarity with NIST/ISO/CIS controls, and relevant certifications.

Qualifications

• 3+ years of hands-on network or security engineering experience.
• Experience with enterprise-grade firewalls, IDS/IPS, VPNs, and NAC tools.
• Strong understanding of network protocols, architecture, and security best practices.
• Experience monitoring and responding to security incidents.
• Familiarity with regulatory and compliance frameworks (e.g., NIST, ISO 27001, CIS).
• Preferred certifications: CompTIA Security+, CCNA or CCNA Security

Responsibilities

• Manage and maintain network security technologies including firewalls, IDS/IPS, VPN solutions, and NAC.
• Analyze existing network security architectures and develop solutions to mitigate threats, vulnerabilities, and emerging risks.
• Monitor network security events, investigate anomalies or incidents, and recommend corrective actions.
• Implement security enhancements to strengthen the organization's overall defensive posture.
• Develop, document, and maintain network security policies, procedures, and standards.
• Ensure compliance with applicable security frameworks, regulatory requirements, and organizational policies.
• Collaborate with IT, security operations, and infrastructure teams to support secure network design and operations.

Skills

Cybersecurity

IT Network Security

Network Security Technologies

Security Operations

Education

Bachelor's degree in cybersecurity or related field

Tools

Firewalls

IDS/IPS

VPNs

NAC

Job description

General Dynamics IT in Ashburn, VA seeks a Junior Network Security Engineer to support CBP’s Cyber Security Directorate in a fast-paced, mission-critical SOC environment. You will help monitor, maintain, and enhance enterprise network security—deploying firewalls, IDS/IPS, VPNs, and NAC—and contribute to protecting national assets.

The role requires 3+ years in network/security engineering, familiarity with NIST/ISO/CIS controls, and relevant certifications.