Senior Platform Engineer/Kubernetes SME

Title: Senior Platform Engineer/Kubernetes SME Belong. Connect. Grow. with KBR KBRu2019s 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 countryu2019s most critical role u2013 protecting our national security. Why Join Us? + Innovative Projects: KBRu2019s 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. Role summary KBR is seeking a highly experienced Senior Platform Engineer to join our team in Beavercreek, OH. The ideal candidate will be a Kubernetes SME with a DoW Top Secret clearance and SCI eligibility. Key responsibilities + Own the design, build, and operations of a modular, APIu2011first platform that abstracts infrastructure from simulation software + Lead multiu2011cluster Kubernetes, service mesh, security hardening, and observability to support hundreds of users and tens of thousands of entities across connected and airu2011gapped environments + Design and operate multiu2011cluster Kubernetes environments (control/data/CI/observability planes) with strong isolation and zerou2011trust defaults + Implement service mesh (e.g., Istio) for mTLS, traffic control, and fineu2011grained AuthorizationPolicy; manage ingress (Gateway/VirtualService) and eastu2011west 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 policyu2011driven automation across environments + Stand up observability (metrics/logs/traces) and SLO monitoring; drive reliability (HA, backup/restore, DR) + Support airu2011gap packaging/delivery and secure software supply chain (images, SBOMs, provenance) + Active Top Secret clearance with SCI eligibility Work Environment: + Location: On-site/Hybrid + Travel Requirements: 15% + Working Hours: Standard Qualifications: Required: + 12+ years of Software Engineering experience with 5u20138+ years in platform/SRE roles operating production Kubernetes at scale; strong multiu2011cluster and GitOps (Argo CD/Flux) experience + Handsu2011on with Istio/Envoy, Cilium (NetworkPolicy, eBPF), Ingress/Gateway API, and cluster networking (DNS, L7/L4) + Controller/operator development using Go (Kubebuilder/Operator SDK) or TypeScriptu2011based 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 Desired: + Experience in airu2011gapped 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 u2192 Secret u2192 TS/SCI/SAP environments Basic Compensation: $187,700-$225,000 This range is for the Colorado Spring, CO area only. $196,600-$218,400 This range is for the Lexington Park, MD, Maui, HI, & Carlsbad, CA areas only. The offered rate will be based on the selected candidateu2019s working location, knowledge, skills, abilities and/or experience, clearance level, contract affordability and in consideration of internal parity. Additional Compensation: KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of sign on bonus, relocation benefits, short term incentives, long term incentives, or discretionary payments for exceptional performance. Ready to Make a Difference? If youu2019re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together. KBR Benefits KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of teamu2019s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver u2013 Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Created: 2026-03-09