KBR Careers · 1 day ago
Senior Platform Engineer/Kubernetes SME
Beavercreek, Ohio
Full-time
Hybrid
Senior Level, Lead/Staff
12+ years expKBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. The Senior Platform Engineer will be responsible for designing, building, and operating a modular, API-first platform and leading multi-cluster Kubernetes environments to support national security efforts.
Information Technology & Services
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Qualification
Required
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
Active Top Secret clearance with SCI eligibility
Preferred
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
Benefits
401K plan with company match
Medical
Dental
Vision
Life insurance
AD&D
Flexible spending account
Disability
Paid time off
Flexible work schedule
Company
KBR Careers
At KBR, we deliver science, technology and engineering solutions that are helping governments and companies around the world take on the great challenges of our time.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Becky Sewell
Chief Training Officer (CTO)
Dana Dorsey
Sr. VP, Chief Financial Officer
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