Network Security Engineer

$87,100 - $157,450/Yr

Leidos - Norfolk, VA

Full-time - Mid Level

Norfolk, VA

5,001-10,000 employees

Professional, Scientific, and Technical Services

About the position

Leidos is seeking a Network Security Engineer to support the Navy-Marine Corps Intranet (NMCI) under the Service Management, Integration and Transport (SMIT) Contract. This role focuses on advanced support for enterprise security systems, including Firewalls, DMZ, IPS, and VPN appliances, ensuring robust threat protection and operational excellence in a dynamic environment.

Responsibilities

• Lead in identifying, troubleshooting, and resolving complex security issues.
• Configure and maintain Firewalls, VPN, DMZ, and Intrusion Prevention Systems (IPS).
• Support Current Operations by providing expertise for the largest Intranet in the world.
• Collaborate with cross-functional teams to improve network security operations.
• Create and maintain Engineering Implementation Plans (EIP).
• Provide Tier III escalation support and vendor engagement for Incident Management.
• Apply extensive knowledge of defense-in-depth principles.
• Participate in Root Cause Analysis for Problem Management activities.
• Engage in engineering and project meetings for future enterprise solutions.

Requirements

• B.S. Degree and 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience.
• Must be a US Citizen and have an active Secret Clearance.
• Minimum of DoD 8570.01 IAT Level III Certification (CCNP Security, CASP+ CE, CISSP, etc.).
• A Network Vendor Certification (Cisco, Juniper, Aruba, F5, Palo Alto, McAfee, Trellix).
• Network Security Subject Matter Expertise.
• Ability to perform highly technical network security maintenance and configurations.
• Extensive experience troubleshooting networks, including routing, switching, MPLS, VPNs, routing protocols, switching protocols, and multicast.
• Effective written and oral communication and problem-solving skills.
• Willingness to rotate on-call and work during off-hours to meet program requirements.
• Ability to travel up to 25% including OCONUS potential travel.

Nice-to-haves

• Previous work experience providing support to the NMCI network.
• Previous work experience providing support to a DoD program.

Benefits

• Competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement