Cloud Network Engineer

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos’ Defense Sensors is seeking a Cloud Network Engineers to join our team with the ability and experience to work missile defense projects within the BMD Simulations and Analysis Portfolio. As a Cloud Network Engineer, you will design, build, and operate high-performance, zero-trust network architecture spanning on-premises data centers, public cloud environments (e.g., AWS, Azure), and classified enclave-based domains. Operating primarily on-site at customer locations in Huntsville, AL, you will drive mission-critical network modernization, focusing on software-defined networking (SDN), hybrid-cloud connectivity, and container-native networking within Kubernetes ecosystems. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. 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. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting July 24, 2026 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. Pay Range Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io. Commitment to Non-Discrimination 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. #J-18808-Ljbffr Koitecc Solutions