Demo

Network Security Engineer

Leidos
Greendale, WI Full Time
POSTED ON 4/17/2025
AVAILABLE BEFORE 5/16/2025

More About the Role :

Apply below after reading through all the details and supporting information regarding this job opportunity.

Leidos is hiring a Network Security Engineer for the Service Management, Integration and Transport (SMIT) Contract, supporting the Navy-Marine Corps Intranet (NMCI). This role involves advanced support of enterprise Firewall, DMZ, IPS, and VPN appliances.

What You'll Get to Do :

  • Lead in identifying, troubleshooting, and resolving complex security issues in a fast-paced and quickly evolving 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).
  • 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.

You'll Bring These Qualifications :

  • Requires B.S. Degree and 8–12 years of prior relevant experience or Masters with 6–10 years of prior relevant experience (substitutions at Hiring Manager’s discretion).
  • 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.
  • These Qualifications Would be Nice to Have :

  • Previous work experience providing support to the NMCI network.
  • Previous work experience providing support to a DoD program.
  • Original Posting Date : 2024-10-18

    More About the Role :

    Leidos is hiring a Network Security Engineer for the Service Management, Integration and Transport (SMIT) Contract, supporting the Navy-Marine Corps Intranet (NMCI). This role involves advanced support of enterprise Firewall, DMZ, IPS, and VPN appliances.

    What You'll Get to Do :

  • Lead in identifying, troubleshooting, and resolving complex security issues in a fast-paced and quickly evolving 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).
  • 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.
  • You'll Bring These Qualifications :

  • Requires B.S. Degree and 8–12 years of prior relevant experience or Masters with 6–10 years of prior relevant experience (substitutions at Hiring Manager’s discretion).
  • 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.
  • These Qualifications Would be Nice to Have :

  • Previous work experience providing support to the NMCI network.
  • Previous work experience providing support to a DoD program.
  • Original Posting Date : 2024-10-18

    While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

    Pay Range : Pay Range $87,100.00 - $157,450.00

    The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary . Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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