Enterprise - Senior Application Engineer - Linux, Kubernetes, Apache NiFi

Erias VenturesAnnapolis Junction, MD
Hybrid

About The Position

Erias Ventures is seeking an Application Engineer to work across multiple hosting platforms supporting Linux VMs. This position allows you to learn about the product as well as dive deep into area of VM Management/DevOps. The role involves managing the server certificate lifecycle, monitoring VM health status, updating software on VMs (manually and through YUM repos), and ensuring VMs satisfy the latest security requirements. The engineer will monitor and manage production Linux VMs (stand-alone and integrated in Kubernetes clusters) across multiple hosting platforms, maintain Ansible playbooks, and monitor Kubernetes clusters through Rancher or Kubernetes commands to ensure cluster nodes and pods are healthy and running smoothly. The position also includes administering, securing, and maintaining Linux virtual machines (RHEL 8/9) across multiple cloud platforms (OpenStack, VMware, AWS), troubleshooting production Linux VMs and Kubernetes clusters, and supporting Apache NiFi deployments. Additionally, the role involves managing the full certificate lifecycle, performing software updates, patching, and system hardening, working directly with development teams and end users, and analyzing logs to troubleshoot performance issues and identify root causes of VM, container, or application-level problems. This position may allow for partial telework.

Requirements

  • Twelve (12) years minimum experience and a High School Diploma/GED.
  • Ten (10) years minimum experience and an Associate's Degree.
  • Eight (8) years minimum experience and a Bachelor's Degree.
  • Six (6) years minimum experience and a Master's Degree.
  • Four (4) years minimum experience and a Doctorate's Degree.
  • Troubleshooting experience (VM & application logs & tracking down sources/causes of VM or application issues)
  • Strong Linux skills (RHEL 8/9)
  • Experience with Kubernetes, Docker, and Rancher for containerized workloads
  • Familiarity with Apache NiFi or similar data integration tools
  • Working knowledge of Ansible for automation and configuration management
  • Hands-on experience managing VMs in OpenStack, VMware, or AWS
  • Ability to troubleshoot SSH, performance, and network-related issues in Linux environments
  • Experience applying security hardening (STIG, STE/STN) and maintaining compliance documentation (SSP)
  • Experience with network flow monitoring tools
  • Active Security + Certification
  • Monitoring and managing production Linux VMs
  • A current Top-Secret/SCI with polygraph security clearance is required.
  • Candidates cannot be sponsored or nominated for a government security clearance under this position.

Nice To Haves

  • RedHat certification
  • Knowledge of Python
  • MongoDB, Kubernetes (Docker)
  • Familiar with Riverbed Technology

Responsibilities

  • Monitoring and managing production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster – across multiple hosting platforms
  • Maintain Ansible playbooks to push out changes to VMs
  • Monitor the Kubernetes clusters through Rancher or Kubernetes commands to ensure the clusters nodes and pods are healthy and running smooth
  • Administer, secure, and maintain Linux virtual machines (RHEL 8/9) across multiple cloud platforms (OpenStack, VMware, AWS)
  • Troubleshoot production Linux VMs and Kubernetes clusters, ensuring node and pod health through Rancher or Kubernetes
  • Support Apache NiFi deployments—performing configuration updates, monitoring dataflows, and resolving connectivity or resource-related issues
  • Manage the full certificate lifecycle (server and PKI), ensuring systems meet current security and compliance standards (STIG/SSP)
  • Perform software updates, patching, and system hardening through YUM and enterprise repositories
  • Work directly with development teams and end users to deliver operational support ranging from basic configuration changes to complex cluster builds
  • Analyze logs, troubleshoot performance issues, and identify root causes of VM, container, or application-level problems

Benefits

  • Above Market Hourly Pay
  • 11% Roth or Traditional 401k with Immediate Vesting and Deposit
  • Spot Bonuses for Assisting with Business Development and Company Growth
  • Professional Development Bonuses for Certificates and Degrees
  • Company subsidized Medical Coverage
  • 100% Company Paid Vision and Dental Coverage
  • 100% Company Paid Long Term Disability , Short Term Disability , and Group Life Insurance
  • Monthly Wellness Reimbursement
  • Paid Time Off with Flexible Work Schedules and Birthday Off
  • Amazon Prime Membership and Monthly Internet Reimbursement
  • Technology and Productivity Allowance for Equipment and Supplies
  • Morale Building and Company Events to Celebrate our Successes and Build our Community
  • Onboarding and Annual Swag
  • Company Paid Professional Development and Training
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