Senior Network Engineer

Senior Network Engineer Job ID:

2610776

Location:

Panama City Beach, FL, United States Date Posted:

Mar 31, 2026

Category:

Information Technology Subcategory:

Network Engineer Schedule:

Full-Time Shift:

Day Job Travel:

Yes - 10% of the time

Minimum Clearance Required:

Secret Clearance Level Must Be Able to

Obtain:

TS/SCI Potential for

Remote Work:

On-Site Benefits:

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JOB DESCRIPTION

: SAIC is searching for a Senior Network Engineer to support one of the foundational networks in the Joint Expeditionary Command and Control (JEXC2) family of systems. JEXC2 systems are made up of various command, control, communications, computers and intelligence subsystems and networks, including associated infrastructure and communications equipment. Work will be performed onsite in Panama City Beach, FL . Local candidates are encouraged to apply. This role is responsible for advanced support, design input, troubleshooting, and operational ownership of the enterprise network infrastructure. The senior network engineer serves as the final escalation point for complex incidents and problems, collaborates closely with architecture and security teams, and provides mentoring to Tier 1 & Tier 2 engineers.

JOB DUTIES

: Serve as Tier 3 escalation for critical network issues across routing, switching, firewalling, load balancing, and virtualization platforms. Perform advanced troubleshooting and root-cause analysis of complex network and security problems across hybrid on-prem and cloud environments. Support and maintain enterprise-class routing and switching infrastructure using Cisco platforms (IOS / IOS-XE / NX-OS). Manage and support Palo Alto firewall environments and security policies; assist in design and optimization of firewall rule sets and segmentation strategy. Administer and maintain VMware NSX-T network virtualization, distributed firewalling, and overlay networking. Manage and support F5 load balancers including VIP configuration, SSL termination, health monitors, and traffic management policies. Support design and implementation of VPN technologies, including IPsec site-to-site, remote access VPN, and certificate-based authentication. Understand, support, and troubleshoot encryption devices used within WAN architecture (e.g., IPsec encryptors, inline encryption appliances, tunneling strategies). Assist with BGP-based WAN and data center routing architecture and perform route optimization and policy-based control. Create and maintain detailed technical documentation, diagrams, and standard operating procedures. Provide mentorship and technical leadership to junior team members. Qualifications

REQUIRED EXPERIENCE AND CLEARANCE

: Bachelors and five (5) years supporting enterprise network and security environments. Strong expertise in Layer 3 routing protocols (BGP, OSPF) with additional understanding of

CISCO LISP.

Experience working in large-scale multi-site or global network architectures Strong understanding of TCP/IP fundamentals, subnetting, NAT, VPNs, ACLs, QoS, and multicast.

Hands-on experience with:

Cisco enterprise switching & routing platforms Palo Alto firewalls (PAN-OS) VMware

NSX-T F5

load balancing Solid understanding of network security best practices, segmentation, and threat mitigation. Experience supporting large-scale enterprise environments with high availability, redundancy, and multi-site connectivity. Ability to perform packet analysis and network captures to identify performance and security issues. Security+ certification required CCNA certification required Candidate must be a US Citizen. Must currently hold an active Secret Clearance with the ability to obtain a

TS/SCI. DESIRED EXPERIENCE

CCNP (Enterprise) preferred. Overview SAIC accepts applications on an ongoing basis and there is no deadline. SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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