Senior Platform Engineer/Kubernetes SME
Senior Platform Engineer/Kubernetes SME Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security. Why Join Us?
- Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.
- Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.
- Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.
- Own the design, build, and operations of a modular, API‑first platform that abstracts infrastructure from simulation software
- Lead multi‑cluster Kubernetes, service mesh, security hardening, and observability to support hundreds of users and tens of thousands of entities across connected and air‑gapped environments
- Design and operate multi‑cluster Kubernetes environments (control/data/CI/observability planes) with strong isolation and zero‑trust defaults
- Implement service mesh (e.g., Istio) for mTLS, traffic control, and fine‑grained AuthorizationPolicy; manage ingress (Gateway/VirtualService) and east‑west policies
- Author and maintain platform CRDs and controllers/operators to reconcile developer intent into runtime objects (namespaces/cells, Deployments/Jobs, Services, policies, gateways)
- Integrate network policy (eBPF/Cilium), secrets management, RBAC/ABAC, and policy‑driven automation across environments
- Stand up observability (metrics/logs/traces) and SLO monitoring; drive reliability (HA, backup/restore, DR)
- Support air‑gap packaging/delivery and secure software supply chain (images, SBOMs, provenance)
- Active Top Secret clearance with SCI eligibility
- Location: On-site/Hybrid
- Travel Requirements: 15%
- Working Hours: Standard
- 12+ years of Software Engineering experience with 5-8+ years in platform/SRE roles operating production Kubernetes at scale; strong multi‑cluster and GitOps (Argo CD/Flux) experience
- Hands‑on with Istio/Envoy, Cilium (NetworkPolicy, eBPF), Ingress/Gateway API, and cluster networking (DNS, L7/L4)
- Controller/operator development using Go (Kubebuilder/Operator SDK) or TypeScript‑based frameworks; CRD design/versioning
- Observability: Prometheus, OpenTelemetry, Fluent Bit/OpenSearch; incident response and performance tuning
- Security: mTLS, OIDC, JWT, OPA/Gatekeeper/Kyverno (or equivalent), image signing, SBOM, CVE remediations
- Experience in air‑gapped or classified environments; package and deploy with tools that support disconnected sites
- Exposure to Kubernetes Gateway/Envoy Gateway, egress control, and sidecar injection strategies
- Prior VV\&A support for modeling & simulation platforms
- Ability to work across Unclassified → Secret → TS/SCI/SAP environments
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