Network Security Specialist

3 weeks ago


Norfolk, Virginia, United States Leidos Full time
Job Summary:

Leidos is seeking a highly skilled Network Security Engineer to support the Service Management, Integration and Transport (SMIT) Contract, providing advanced security services for the Navy-Marine Corps Intranet (NMCI).

Key Responsibilities:

Lead in identifying, troubleshooting, and resolving complex security issues in a fast-paced environment by configuring and maintaining Firewalls, VPN, DMZ, and Intrusion Prevention Systems (IPS), ensuring continuous threat protection.
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 supporting Incident Management.
Apply extensive knowledge of defense-in-depth principles.
Participate in Root Cause Analysis for Problem Management activities.
Participate in engineering and project meetings for future enterprise solutions.

Requirements:

Requires 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 IAT Level III Certification (CCNP Security, CASP+ CE, CISSP, etc.).
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.

Preferred Qualifications:

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

Leidos 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, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws.

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