Peraton

Senior Tier 3 Platform Engineer

Peraton
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4 days ago
Chantilly, VA, USASenior
H1B sponsor

Base Salary

$112k - $179k/yr

Responsibilities

  • Design, deploy, configure, operate, and sustain platform components across hybrid cloud and on-premises environments.
  • Own the operational health of platform components, shared services, infrastructure capabilities, and Kubernetes-based container platforms.
  • Develop and maintain infrastructure as code using Terraform, Ansible, or similar technologies.
  • Design and maintain secure, automated CI/CD pipelines and deployment processes.
  • Implement zero trust controls including identity-aware access, network segmentation, and least-privilege policies.
  • Onboard mission tenants, applications, and shared services while ensuring compliance with platform standards.
  • Improve platform reliability, scalability, performance, observability, and operational efficiency.
  • Serve as a senior Tier 3 escalation resource for complex incidents across compute, storage, networking, identity, and container infrastructure.
  • Lead root cause analysis, corrective actions, incident response, technical escalations, and remediation coordination.
  • Provide technical mentorship to mid-level engineers and Tier 2 support personnel.
  • Maintain technical documentation, operational procedures, and knowledge base content.
  • Participate in rotating onsite shifts and a shared after-hours on-call rotation.

Requirements

  • Active TS/SCI clearance with polygraph.
  • Bachelor's degree in Computer Science, Engineering, Information Systems, or a related technical field with 8+ years of relevant experience, or an additional four years of relevant experience in place of the degree.
  • Extensive experience operating, engineering, and troubleshooting production containerized workloads using Kubernetes or a Kubernetes-based platform.
  • Experience supporting infrastructure in at least one major cloud environment and hybrid cloud or on-premises environments.
  • Experience with Terraform, Ansible, infrastructure as code, CI/CD pipelines, and automated deployments.
  • Ability to troubleshoot complex issues across Linux systems, networking, container infrastructure, and identity and access management.
  • Experience managing production incidents, problem management, technical escalations, root cause analysis, and corrective actions.
  • Experience providing technical guidance or mentorship to engineering or operations personnel.
  • DoD 8140 / 8570 IAT Level II certification, such as Security+ CE, or ability to obtain it within the required timeframe.
  • Desired qualifications include multi-classification or cross-domain environment experience, zero trust implementation, ServiceNow, Prometheus, Grafana, Splunk, Elastic, RMF or continuous ATO experience, Kubernetes or cloud certifications, and Intelligence Community or Department of Defense mission experience.

Benefits

  • Medical, dental, vision, life insurance, health savings account, short- and long-term disability, EAP, parental leave, 401(k), paid time off, and company-paid holidays.
  • Fully onsite position in Chantilly, Virginia.
  • Rotating shifts within a 6:00 AM to 6:00 PM, seven-day onsite coverage window, plus shared after-hours on-call rotation.
  • Employees may be eligible for overtime, shift differential, and a discretionary bonus.

Tech Stack

AnsibleAWSAzureGrafanaKubernetesLinuxPrometheusSplunkTerraform

Categories

Peraton

About Peraton

10,000+ employees

Peraton builds and integrates mission systems, cyber, space, and intelligence solutions for U.S. defense, intelligence, and civil agencies. It delivers enterprise IT, satellite and terrestrial communications, and spectrum management under government contracts. Founded in 2017, the company is headquartered in Reston, Virginia and is privately held by Veritas Capital.

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