Sr. Platform Engineer

We are seeking a Senior Platform Engineer III to design and operate Kubernetes-based container platforms supporting mission-critical federal workloads. You will embed directly into a high-performing Agile delivery team operating at the highest levels of the federal government, contributing immediately with minimal ramp-up. This role is designated as essential personnel and may require availability during government shutdowns or other continuity-of-operations scenarios.

What You Will Do:

Design, build, and operate Kubernetes and OpenShift container orchestration platforms in mission-critical enterprise environments Maintain and continuously improve CI/CD pipelines, container build processes, and infrastructure automation Ensure platform scalability, reliability, performance, and security across containerized workloads Troubleshoot and resolve complex production incidents in real time Participate actively in Agile planning, sprint execution, and continuous improvement ceremonies Communicate platform status, risks, and technical decisions clearly to government stakeholders Apply engineering judgment and creativity to deliver innovative, customer-focused solutions Establish and sustain a high level of trust with federal clients through technical expertise and professional execution

Active Top Secret security clearance with SCI eligibility - required Certified Kubernetes Administrator (CKA) - required HashiCorp Terraform Associate - required DoD 8140 / DoD 8570 certification aligned to the 451 System Administrator work role (Security+, Cloud+, SSCP, CASP+, or CISSP) - required 6+ years of experience in systems or DevOps engineering 3+ years of hands-on Kubernetes and container technologies experience Demonstrated experience designing, building, and maintaining container orchestration platforms (Kubernetes, OpenShift) Hands-on experience with Kubernetes ecosystem tooling: Rancher, Helm, Docker, Cilium, Rook, Ceph, MinIO, S3, PortWorx Operational experience with CI/CD pipeline management and infrastructure-as-code automation Experience ensuring scalability, reliability, and security of containerized environments in enterprise or mission-critical settings Experience leading or contributing to design and implementation of complex integrated container platforms Bachelor’s degree in Computer Science or related technical discipline preferred; equivalent experience accepted

Pay Rate: $184,000 - $285,000 annually, plus performance bonuses, company-paid training/certifications, and referral bonuses

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.