LingaTech

Network Security Engineer

Washington DC, DC - Contracted

Location: Washington, DC
Position Type: Hybrid
Hybrid Schedule: 3 days onsite
Contract Length: 2 months + extension


Position Overview:

The Senior Network Security Engineer is responsible for the design, implementation, and ongoing support of secure, high-performing network infrastructure. This role emphasizes proactive threat prevention, network optimization, and adherence to security protocols to ensure reliability and protection against unauthorized access.

Duties:

  • Monitor and analyze network data traffic patterns to ensure optimal performance.

  • Identify and resolve network problems, recommending improvements as needed.

  • Address network quality issues and mitigate degradation.

  • Stay current on security threats (e.g., worms, malware) and advise on prevention strategies.

  • Ensure reliability and stability of network operations through continuous monitoring and improvement.

  • Configure routers, switches, firewalls, and other appliances in compliance with security standards.

  • Monitor security measures within the network perimeter to prevent breaches.

  • Respond to complex technical issues with urgency and escalate as necessary.

  • Coordinate with teams to find and implement solutions that enhance end user satisfaction.

  • Monitor trends in network incidents and implement measures to prevent recurrence.

  • Provide network design services for existing and new infrastructure.

  • Collaborate with infrastructure teams to define the scope and technical approach for network changes.

  • Ensure compliance with established network policies and procedures.

  • Manage production and disaster recovery network environments and associated security.

  • Perform forensic and packet analysis as part of network diagnostics and threat detection.

  • Configure and manage network security monitoring and logging systems.


Required Skills:

  • 5 years of experience building large-scale, multi-site network architectures.

  • 5 years of experience with secure remote access and WAN technologies, including IPsec and VPN.

  • Demonstrated knowledge of network-based and system-level attacks and mitigation methods.

  • 5 years of experience working with firewalls such as Cisco Firepower (NGFW) or Cisco ASA Firewalls.

  • 5 years of experience with security routing protocols.

Apply: Network Security Engineer
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