Network & Security Infrastructure Engineer

L2T, LLC is a fast-growing, high-tech, mission-driven company based in Herndon, Virginia that prides itself on delivering technical and mission-related solutions that allow our customers to succeed in achieving their most challenging goals.  

We are a close-knit team of highly motivated and skilled individuals that are focused on a commitment to facing the most complex and difficult efforts head-on with a balance of creativity and discipline, and an unwavering nerve. Our Team embraces the concept that the sky's the limit. Regardless of where you are in your career, our goal is to work with you to refine your skills, add to your technical tool belt, and aid you in your growth as a professional.  We offer growth opportunities such as leadership training, industry conferences, and mentorship from experienced, passionate individuals. 

Responsibilities include:

Design enterprise network architectures supporting sensitive operational environments requiring resilient, controlled, and secure communications
Engineer highly available network infrastructure that enables traffic segmentation, policy enforcement, secure routing, and operational isolation across diverse environments
Design secure connectivity using VPN and Zero Trust technologies
Operate and improve Fortinet security infrastructure
Design and troubleshoot complex routing environments
Build network automation solutions
Support hybrid-cloud and specialized networking capabilities that enhance operational security, traffic management, and attribution control for customer missions
Implement monitoring and observability across networking infrastructure
Perform vulnerability assessments and infrastructure hardening
Participate in incident response and root cause analysis
Produce architecture documentation and operational standards
Mentor junior engineers

Preferred Experience

Experience with one or more of the following is highly desirable:

Network architectures supporting sensitive operational environments Operational security (OPSEC) and secure communications
Traffic engineering and policy-based routing
Proxy and relay infrastructure
VPN and overlay network design
Identity, attribution, and network isolation techniques
Zero Trust network architectures
Secure remote access technologies
Government or Intelligence Community operational environments
Experience with several of the following technologies is preferred:
Fortinet / FortiOS
NVIDIA Cumulus Linux
Ubiquiti UniFi
WireGuard
OpenVPN
IPSEC
BGP
OSPF
Endpoint Detection & Response (e.g. Wazuh, Crowdstrike)
Incident Response
Vulnerability Management
Elasticsearch / Kibana
Docker
Ansible
AWS networking
Google Cloud networking

Qualifications

Ability to obtain and maintain a security clearance
5+ years of enterprise network engineering experience
Strong routing and switching knowledge
Experience with enterprise firewalls
Experience with TCP/IP networking fundamentals
Experience with VPN technologies
Experience troubleshooting production networks
Experience with Linux systems
Excellent troubleshooting and documentation skills

Benefits

401(k) match of 6% with immediate vesting
Highly subsidized Health, Dental, and Vision insurance
Legal Resources Plan
Flexible Time Off
10 Federal Holidays
Life insurance, short and long-term disability coverage paid by the company
Free sodas and snacks