Firewall Network Engineer Senior

Description

Leidos currently has an opening on the 'Service Management, Integration and Transport' (SMIT) Contract for a Firewall Network Engineer Senior located at Honolulu, HI. This is an exciting opportunity to use your experience and leadership skills to successfully execute the mission of the Navy's largest IT services program: SMIT. Under the SMIT Contract, the Leidos team will deliver the core backbone of the Navy-Marine Corps Intranet, including cybersecurity services, network operations, network engineering, service desk, and data transport. Ultimately, Leidos will support the Navy in unifying its shore-based networks and data management to improve capability and service while also saving significant dollars by focusing efforts under one enterprise network. This position requires Engineering, Operations Support, Management and extensive knowledge of network communications, architecture, security controls, and compliance and configuration discipline.

Primary responsibilities include, but are not limited to:

• Provide Firewall Network Engineer subject matter expertise and thought leadership for the largest Intranet in the world. A qualified candidate for this position would be responsible for network design, integration, test, security, and implementation of Network Services for the as-fielded NMCI network.
• Design, implement, and manage firewall and load balancing solutions to optimize network performance and ensure high availability for government applications.
• Configuration and maintenance of firewall systems to protect sensitive government data and ensure security compliance and resource availability
• Monitor network traffic and analyze performance metrics to identify and address current and potential issues
• Develop and enforce security policies and procedure related to network boundary traffic management
• Collaboration with other enterprise network teams and departments to streamline firewall and load balancing solutions within the existing network infrastructure
• Provide network boundary expertise and technical guidance for junior network engineers and supporting staff
• Continuous Service Improvements (CSI)
• Create and maintain Engineering Implementation Plans (EIP)
• Expert knowledge of defense-in-depth principles, Network and Security architecture, network topology, IT device integrity, and common network security elements
• Plans and executes network upgrades and maintenance activities with the NMCI Operations Manager, NOC Lead, Release Management team and other key enterprise stakeholders.
• Tier III escalation support and vendor engagement supporting Incident Management activities.
• Active participation in Root Cause Analysis for Problem Management activities.
  

You'll Bring These Qualifications:
Requires B.S. Degree and a minimum of 8 years of prior relevant experience. Work experience may be substituted for degree at Hiring Manager's discretion.
U.S. Citizen with an active DoD Secret security clearance.
Must currently possess an active DoD 8570.01 IAT Level III Certification i.e. CCNP Security, CISSP, or CASP .
Must currently possess an active Associate level Network Vendor Certification (from one of the following Vendors): Cisco, F5 Networks, Forcepoint, Palo Alto Networks.
Ability to work or be called in to work during off-hours to meet customer mission support requirements.
Participate in on-call rotation for Incident Management responsibilities among the Transport Operations team.
Network Subject Matter Expert for operations providing Tier-III support to the NOC watch staff.
Perform highly technical maintenance and configuration to firewalls, VPNs, and DMZ appliances.
Extensive experience engineering and troubleshooting networks, including routing, switching, MPLS, VPNs, routing protocols (i.e. BGP, OSPF, IS-IS), switching protocols (i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP) Multicast protocols and emerging network technologies.
Strong understanding and in-depth knowledge of IP network/subnet addressing.
Extensive knowledge of defense-in-depth principles, Network architecture, Modern Network Topologies, Network appliance integrity, and common networking security elements.

NGEN

Original Posting: April 4, 2025
For U.S. Positions: 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 $89,700.00 - $162,150.00

The Leidos pay range for this job level is a general guideline only and 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.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.