Network Engineer​/Architect Security Clearance

Position: Network Engineer/Architect with Security Clearance
Network Engineer/Architect Full-time Huntsville, AL About Us Trideum Corporation is a 100% employee-owned company, committed to embracing the world's toughest challenges with a servant's heart. Through dedicated hard work and commitment, we provide distinctive quality and unparalleled customer service in all aspects of our business. We also know that our employees are the key to our success, and it is our mission to take care of them so they can take care of our customers and communities where we live, work, and play.

Position Summary Trideum is seeking a mid-to-senior level Network Engineer join our Corporate IT team at our Huntsville, AL headquarters to support critical network infrastructure. The Network Engineer/Architect will be responsible for designing, engineering, and maintaining secure, resilient network infrastructure across the enterprise. This position leads efforts in network segmentation, IP addressing, firewall policy management, cloud integration, and long-term architecture planning to ensure scalability, interoperability, and compliance with DoD standards.

This role will also provide hands-on administration of firewalls, switches, routing, wireless systems, and host-based firewalls as needed to support operations. The Network Engineer/Architect will partner with cybersecurity teams on remediation and incident response, contribute to resiliency initiatives and documentation, and support hybrid and cloud projects in collaboration with system administrators. Trideum invests in our IT professionals with ongoing training, certification support, and career growth opportunities within enterprise IT, cybersecurity, and cloud engineering.

What You'll Do:
* Network Operations:
Configure, monitor, and maintain firewalls, switches, wireless access points, and routing infrastructure across multiple sites.
* Firewall Administration:
Manage Fortinet firewalls, policies, VPNs, and threat protections to maintain secure connectivity.
* Core Network Support:
Architect and implement VLANs, ACLs, QoS, and routing across Cisco, Dell, and Netgear switches.
* Hardware Lifecycle:
Applying patches and firmware to maintain security baselines, upgrade and replace legacy hardware.
* Performance & Availability:
Monitor network health, troubleshoot outages, and ensure reliable uptime for critical systems.
* Resiliency & Continuity:
Support redundant network paths, VPNs, and ISP failover for business continuity.
* Documentation:
Produce and maintain accurate diagrams, inventories, and baselines detailing network architecture.
* Ports, Protocols, and Services Management:
Manage and regulate PPS on DoD networks to ensure security and interoperability.
* Host Firewalls:
Configure, monitor, and enforce host-based firewall policies to protect endpoints and ensure compliance.
* Network Architecture Design:
Design and segment enterprise networks, including subnetting, IP address management, and traffic isolation.
* Architecture Planning:
Contribute to future-state network roadmaps, ensuring scalability, security, and alignment with enterprise and DoD standards.
* Cloud Networking:
Support Azure networking components such as VNets, NSGs, VPN Gateways, and Express Route.
* Incident Response:
Provide Tier 2/3 escalation support for network-related incidents and service requests.
* Collaboration & Cross-Team Support:
Partner with cybersecurity on remediation and incident response; assist the IT service desk with escalations; collaborate with system administrators on hybrid/cloud projects.
* Continuous Improvement:
Track metrics, recommend improvements, and complete ongoing training and certifications.
* Travel Requirements:
Occasional travel to branch offices, customer sites, and professional development events Requirements and

Qualifications:

Education:

* Bachelor's degree in Information Technology, Computer Science, or related field preferred.
* Equivalent professional experience and certifications will be considered in lieu of degree.

Experience:

* 5+ years of professional experience with network engineering, design, and administration in an enterprise environment
* Proven experience with firewall technologies (Fortinet Forti Gate preferred) configuration and management, including policy design, VPNs, and advanced security features.
* Advanced knowledge of routing, switching, and segmentation (Cisco, Dell, Netgear), including VLANs, ACLs, and QoS
* Demonstrated experience with Ports, Protocols, and Services (PPS) management.
* Strong grasp of TCP/IP, DNS, DHCP, and other core network services.
* Experience with VPN technologies (IPSec, SSL VPN, client VPN deployment).
* Experience with wireless networking and NAC solutions.

Certifications:

* CCNA/CCNP, CompTIA Security+, Network+, or Fortinet NSE 3+ or higher Skills:
* Broad technical knowledge spanning network infrastructure, server administration, cloud services, and collaboration platforms.
* Strong architecture and design mindset with ability to balance long-term planning and…