Cloud Network Engineer

Leidos•Huntsville, AL

23h•$87,100 - $157,450•Onsite

About The Position

Leidos’ Defense Sensors is seeking Cloud Network Engineers to join their team. This role involves working on missile defense projects within the BMD Simulations and Analysis Portfolio. The Cloud Network Engineer will be responsible for designing, building, and operating high-performance, zero-trust network architecture across on-premises data centers, public cloud environments (AWS, Azure), and classified enclave-based domains. The position is primarily on-site in Huntsville, AL, and focuses on network modernization, including software-defined networking (SDN), hybrid-cloud connectivity, and container-native networking within Kubernetes ecosystems. Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services for customers worldwide, tackling tough security challenges for missions that cannot fail.

Requirements

Bachelor’s degree with 5 years of prior relevant experience or master’s with 3 years of prior relevant experience
Network Design Experience: Proven experience setting up restricted/compliant networks and securing inter domain/enclave communication.
Cloud Networking: Hands on experience with cloud networking services (VPC, VNets, peering, transit gateways).
Linux Operation Systems: Experience with Linux OS
Multicast/UDP: Practical knowledge of multicast UDP and broadcast UDP traffic handling.
SDN / Hardware Defined Networking: Experience with both software defined and hardware defined networking technologies.
Kubernetes Based Networking: Direct experience designing, deploying, and troubleshooting networking within Kubernetes clusters.
Secure Routing Across Domains: Ability to create and manage secure routing paths between isolated domains or enclaves.
Active secret clearance
Full time onsite support
Candidate must be a resident of the North Alabama area

Nice To Haves

CNI Expertise – Experience with one or more Container Network Interfaces (CNI): Cilium, Calico, Multus, or similar.
Enterprise Software Hosting – Background deploying and supporting enterprise grade applications in production environments.
Network Access Policy Development – Experience defining and governing network access protocols, firewall rules, and zero trust policies.
Container Mesh Architecture – Familiarity with container-based network meshes (e.g., Istio, Linkerd) and service mesh concepts.
Cloud to Cloud Routing – Experience routing traffic between multiple cloud service provider instances.
Hybrid Cloud Infrastructure – Proven work with hybrid cloud models linking remote clouds to on premise resources.
Strong analytical and problem-solving abilities; comfortable troubleshooting complex network issues.
Excellent communication skills – able to translate technical concepts for non technical stakeholders.
Proactive mindset with a focus on security, reliability, and scalability.
Ability to work autonomously and as part of a cross functional team.
Relevant certifications (e.g., CCNA/CCNP, AWS Certified Advanced Networking, Certified Kubernetes Administrator) are a plus.

Responsibilities

Architect and configure restricted computer networks and secure inter domain routes.
Implement network segmentation, access controls, and policy enforcement across cloud and on premise resources.
Build and manage cloud networking infrastructure (AWS, Azure, GCP, etc.).
Configure and troubleshoot multicast UDP and broadcast UDP traffic for high throughput applications.
Deploy and maintain Software Defined Network (SDN) platforms and hardware based network appliances.
Integrate network services with Kubernetes using CNI plugins and container based networking.
Connect remote cloud instances to on premise data centers, ensuring reliable routing and latency optimization.
Support hybrid cloud architectures and remote enclave connectivity.
Automate network provisioning and changes using IaC tools (e.g., Terraform, Ansible).
Implement robust monitoring, logging, and alerting for network health and security events.
Work closely with security, DevOps, and application teams to define network access protocols and rules.
Produce clear documentation, runbooks, and knowledge base articles for all network solutions.