{"id":1092329,"url":"https://alion.io/job/sigmadefense-1758-senior-kubernetes-infrastructure-developer","title":"1758 - Senior Kubernetes Infrastructure Developer","company":{"id":685779,"name":"Sigma Defense Systems","domain":"sigmadefense.com","url":"https://alion.io/company/sigmadefense","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":100,"open_postings":13,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":10,"computed_at":"2026-11-09T06:03:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Rome, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135000,"max":165000,"currency":"USD","period":"year","gross":null,"usd_annual":165000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ArgoCD","optional":false},{"name":"Azure","optional":false},{"name":"Azure AKS","optional":false},{"name":"Bicep","optional":false},{"name":"CI/CD","optional":false},{"name":"DNS","optional":false},{"name":"GitOps","optional":false},{"name":"Grafana","optional":false},{"name":"Helm","optional":false},{"name":"Kubernetes","optional":false},{"name":"Kyverno","optional":false},{"name":"Microsoft Defender","optional":false},{"name":"Microsoft Defender for Cloud","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"OPA Gatekeeper","optional":false},{"name":"PowerShell","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"Zero Trust","optional":false},{"name":"Open Policy Agent","optional":true}],"status":"live","first_seen_at":"2026-11-03T19:35:02Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-09T18:22:02Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Sigma Defense is seeking a Senior Kubernetes Infrastructure Developer to be a Kubernetes platform engineer and infrastructure developer, not simply a user of Kubernetes.\nThis individual should understand what is happening beneath the application layer and be comfortable taking technical ownership from the Azure infrastructure and network supporting the cluster through AKS configuration, networking, identity, security, deployment automation, observability, and lifecycle management. The ideal candidate believes Kubernetes infrastructure should be built through code, version controlled, automated, repeatable, secure, and recoverable.\nEqual Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.\nRequirements\n8+ years of relevant experience.\nSignificant professional experience designing, deploying, and operating Kubernetes environments.\nStrong hands-on experience with Microsoft Azure and Azure Kubernetes Service (AKS).\nDeep understanding of Kubernetes architecture, including nodes, pods, deployments, services, namespaces, ingress, configuration, secrets, and storage.\nExperience designing and operating production Kubernetes clusters supporting enterprise workloads.\nStrong experience with Infrastructure as Code and automated infrastructure deployment.\nHands-on experience with Terraform, Bicep, Helm, and Kubernetes manifests.\nExperience developing and maintaining Helm charts.\nStrong understanding of Kubernetes networking and integration with Azure networking services.\nExperience implementing Kubernetes identity, authentication, authorization, and RBAC.\nExperience integrating Kubernetes environments with Microsoft Entra ID and Azure identity technologies.\nExperience with container security and secure cluster configuration.\nExperience implementing automated Kubernetes deployments using CI/CD or GitOps methodologies.\nStrong scripting and automation skills using PowerShell, Python, Bash, Azure CLI, or similar tools.\nMust be a U.S. citizen.\nCandidate Differentiators:\nExperience designing and operating Azure Government AKS environments.\nExperience supporting Kubernetes platforms within a Department of Defense (DoD) or other highly regulated environment.\nExperience designing private AKS clusters and secure network architectures.\nExperience with Azure CNI, network policies, and advanced container networking.\nExperience with Azure Key Vault, workload identity, managed identities, and secure secrets-management patterns.\nExperience with Azure Policy for Kubernetes and Microsoft Defender for Containers.\nExperience with Flux or Argo CD.\nExperience with Azure Container Registry (ACR).\nExperience with OPA Gatekeeper, Kyverno, or comparable policy technologies.\nExperience with Azure Monitor, Log Analytics, Prometheus, Grafana, or comparable observability platforms.\nExperience with container image security, vulnerability scanning, and software supply-chain security.\nFamiliarity with Zero Trust architecture, DoD RMF, NIST SP 800-53, and STIGs.\nMandatory Certifications:\nCompTIA Security+\nCertified Kubernetes Administrator (CKA)\nAzure Administrator Associate: AZ-104\nComputer Programs/Software:\nAzure Kubernetes Service (AKS)\nTerraform\nBicep\nPersonnel Clearance Level:\nCandidate must possess or have the ability to obtain an active TS/SCI security clearance.\nClearance may be sponsored for the right candidate.\nEducation Requirements:\nBachelor's degree from an accredited college or university in Computer Science or related field of study. \nEssential Job Duties (not all-inclusive):\nDesign, build, configure, and maintain enterprise Kubernetes infrastructure within Microsoft Azure, with a primary focus on Azure Kubernetes Service (AKS).\nServe as a senior technical resource for Kubernetes platform architecture, infrastructure automation, cluster configuration, and troubleshooting.\nDesign scalable and resilient AKS architectures supporting mission-critical applications and services.\nAutomate provisioning and lifecycle management of AKS clusters and supporting Azure infrastructure.\nDevelop reusable Infrastructure as Code modules and deployment patterns using Terraform, Bicep, Helm, and Kubernetes manifests.\nDevelop automated deployment and configuration processes using GitOps and CI/CD methodologies.\nDesign and implement Kubernetes networking, ingress, service discovery, load balancing, and connectivity to other Azure resources.\nIntegrate AKS with Azure Virtual Networks, Private Endpoints, Private DNS, Azure Firewall, Application Gateway, Load Balancer, and other Azure networking services.\nDesign and implement secure private AKS architectures.\nImplement Kubernetes RBAC and integrate cluster access with Microsoft Entra ID and Azure identity services.\nImplement workload identity, managed identities, secrets management, and secure access to Azure resources.\nIntegrate Kubernetes environments with Azure Key Vault.\nDevelop and maintain Helm charts, reusable platform configurations, and standardized deployment patterns.\nIntegrate AKS with Azure Policy, Microsoft Defender for Cloud, and Defender for Containers.\nImplement logging, monitoring, metrics, and alerting using Azure Monitor, Log Analytics, Container Insights, and related technologies.\nDesign platform capabilities supporting high availability, resiliency, scaling, backup, recovery, and cluster lifecycle management.\nMentor junior and mid-level engineers and provide technical guidance.\nSalary Range: $135,000 - $165,000 annually.\nBenefits\n Dental and Vision Insurance\n Medical Insurance to Include HSA, FSA, and DFSA Plans\n Life and AD&D coverage\n Employee Assistance Program (EAP)\n 401(k) Plan with Company Matching Contributions\n 160 Hours of Paid Time Off (PTO) \n 12 (Floating) Holidays\n Educational Assistance\n Highly Competitive Salary","description_format":"text","description_chars":6051,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Military Communication","Electronic 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