Senior Network Engineer - Cyber Training & SecOps

Leidos; Orlando (FL); On-site; USD 92,000 - 167,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with 6% company match

Flexible schedules

Discounted Stock Purchase Plans

Technical Upskilling

Education and Training Support

Parental Paid Leave

Job summary

Leidos is seeking a Senior Network Engineer to lead network design and implementation for a Cyber/Intel program. You will focus on architecture, routing, switching, virtualization, load balancing, security, and performance tuning across on‑prem, cloud, and virtualized environments.

You will collaborate with system, security, cloud, and application teams and support cyber training environments, including Red Team/Blue Team scenarios. This role requires TS/SCI and relevant DoD certifications.

Qualifications

• Bachelor’s degree in IT/CS/Engineering with 8+ years’ relevant experience.
• Strong Cisco switching, routing, and WAN/LAN expertise.
• Hands-on with BGP, OSPF, route maps, and enterprise routing design.
• Experience with VMware NSX, F5 load balancers, and network virtualization.
• Experience with Linux and Windows network administration.
• Security clearance: Top Secret/SCI active.
• DoD 8570 IAT II/III certification or ability to obtain within 6 months.

Responsibilities

• Design, configure, maintain, and troubleshoot enterprise network infrastructure.
• Support Cisco routing and switching across LAN/WAN.
• Configure and manage NSX and other virtualization tech.
• Troubleshoot TCP/IP, DNS, DHCP, HTTP/HTTPS, SSL/TLS, SMTP.
• Document network designs and procedures.
• Collaborate with stakeholders and cross-functional teams.

Skills

Cisco switching

Cisco routing

WAN/LAN technologies

BGP

OSPF

Route maps

STP

Routing policies

TCP/IP

Subnetting

VLANs

VPC networking

NAT

DNS

DHCP

HTTP/HTTPS

SSL/TLS

SMTP

VMware NSX

F5 load balancers

Linux administration

Windows administration

Network security controls

ACLs

Segmentation

Independent work

Team coordination

Education

Bachelor’s degree in IT/CS/Engineering

Tools

VMware NSX

F5 load balancers

Cisco ASA/Firepower

Palo Alto

Job description

Leidos is seeking a Senior Network Engineer to lead network design and implementation for a Cyber/Intel program. You will focus on architecture, routing, switching, virtualization, load balancing, security, and performance tuning across on‑prem, cloud, and virtualized environments.

You will collaborate with system, security, cloud, and application teams and support cyber training environments, including Red Team/Blue Team scenarios. This role requires TS/SCI and relevant DoD certifications.