Cloud Network Engineer

Primary Responsibilities

• Design & Deploy Secure Networks 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.
• Cloud & Multicast Networking Build and manage cloud networking infrastructure (AWS, Azure, GCP, etc.).
• Configure and troubleshoot multicast UDP and broadcast UDP traffic for high throughput applications.
• Software Defined & Hardware Defined Solutions 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.
• Hybrid Cloud Integration Connect remote cloud instances to on premise data centers, ensuring reliable routing and latency optimization.
• Support hybrid cloud architectures and remote enclave connectivity.
• Automation & Monitoring Automate network provisioning and changes using IaC tools (e.g., Terraform, Ansible).
• Implement robust monitoring, logging, and alerting for network health and security events.
• Collaboration & Documentation 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.

Basic Qualifications

• 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

Preferred Qualifications

• 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.

Pay Range

Pay Range $87,100.00 - $157,450.00

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Original Posting: July 24, 2026

Pay and Benefits

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.