Sr. Senior Platform Engineer III
Washington dc, DC
Category: Engineer
Industry: Technology
Reference ID: JN -022026-105477
Date Posted: 02/11/2026
Shortcut: http://careers.eliassen.com/FCWTEM
Description:
Onsite in Washington dc, DC
The organization is pursuing a Sr. Senior Platform Engineer III to support mission-critical federal workloads through Kubernetes platform engineering, CI/CD, and infrastructure automation. The role operates within an Agile delivery model and requires clear communication with stakeholders while ensuring platform reliability, performance, and security.
Due to federal security clearance requirements, applicant must be a United States Citizen with an active Top Secret clearance. This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.
Salary: $185,000 - $255,000/ yr. w2
Responsibilities:
Responsibilities
- Work as part of a collaborative and high-performing team delivering technical solutions within the highest levels of the federal government.
- Design and operate Kubernetes and container platforms supporting mission-critical workloads.
- Maintain and improve CI/CD pipelines and infrastructure automation.
- Ensure platform scalability, reliability, performance, and security.
- Participate in Agile execution, planning, and continuous improvement activities.
- Troubleshoot and resolve production issues in complex environments.
- Communicate platform status, risks, and technical decisions clearly to stakeholders.
- Establish and maintain customer trust and confidence through technical expertise and professionalism.
- Apply creativity and engineering judgment to deliver solutions that meet customer needs.
Experience Requirements:
Experience Requirements
- Active Top Secret security clearance with SCI eligibility.
- Certified Kubernetes Administrator and Terraform Associate certifications.
- DoD 8140 certification aligned to the 451 System Administrator work role (e.g., Security+, Cloud+, SSCP, CASP+, or CISSP).
- 6+ years of experience in systems or DevOps engineering, including 3+ years with Kubernetes and container technologies.
- Experience designing, building, and maintaining container orchestration platforms such as Kubernetes or OpenShift.
- Hands-on experience ensuring scalability, reliability, and security of containerized environments in enterprise or mission-critical settings.
- Operational experience managing CI/CD pipelines, container build processes, and infrastructure automation.
- Experience deploying, managing, and operating container runtimes, orchestration tooling, and supporting services.
- Experience with Kubernetes ecosystem tooling including Rancher, Helm, Docker, Cilium, Rook, Ceph, MinIO, S3, and PortWorx.
- Experience leading or assisting in design and implementation of complex integrated container platforms.
- Ability to contribute immediately with minimal ramp-up in a mission-critical operational environment.
Education Requirements:
Education Requirements
- Bachelor’s degree in Computer Science or a related technical discipline preferred, or equivalent relevant experience.
- Certified Kubernetes Administrator (CKA) certification.
- Terraform Associate certification.
- DoD 8140-aligned certification such as Security+, Cloud+, SSCP, CASP+, or CISSP.
- Active Top-Secret clearance with SCI eligibility.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
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