Senior Network Engineer – Remote, Hybrid Cloud & Security

Leidos; Reston (VA); Remote; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Senior Network Engineer to design, implement, and sustain complex network solutions across on-premises and hybrid cloud environments. You will provide technical leadership, guide engineers, and collaborate with stakeholders to ensure availability, performance, and security.

The role emphasizes modernization, remediation, and infrastructure upgrades with a focus on enterprise routing, security, VPNs, and AWS connectivity.

Qualifications

• Bachelor's degree with 8+ years of network engineering experience.
• Hands-on experience designing, implementing, and troubleshooting enterprise networks in production.
• Expert knowledge of routing/switching and security infrastructure.
• Experience with multi-vendor environments (Cisco/Juniper).
• Ability to lead complex network troubleshooting and remediation efforts.
• Ability to document standards, plans, and procedures.

Responsibilities

• Serve as senior resource for complex network engineering and operations.
• Lead design, implementation, and optimization of multi-vendor network solutions.
• Analyze and resolve complex network problems across systems and disciplines.
• Design, configure, and troubleshoot enterprise routing, switching, and security.
• Engineer secure site-to-site and remote-access VPN solutions.
• Support hybrid cloud connectivity between on-prem and AWS.
• Mentor junior engineers and drive automation opportunities.
• Maintain network architecture docs and implementation procedures.
• Coordinate with stakeholders and vendors to influence network decisions.
• Lead incident investigations and provide sustainable corrective actions.

Skills

BGP & OSPF

VLANs & VRFs

Network security

Hybrid cloud networking

VPN engineering

AWS networking

ISE NAC

Incident response

Documentation

Team leadership

Education

Bachelor's degree in IT/CS/Engineering

Tools

Cisco devices

Juniper devices

Firepower FMC/ASA

AWS Direct Connect

VMware

Job description

Leidos is seeking a Senior Network Engineer to design, implement, and sustain complex network solutions across on-premises and hybrid cloud environments. You will provide technical leadership, guide engineers, and collaborate with stakeholders to ensure availability, performance, and security.

The role emphasizes modernization, remediation, and infrastructure upgrades with a focus on enterprise routing, security, VPNs, and AWS connectivity.