Enterprise - Senior Application Engineer - Linux, Kubernetes, Ansible

Erias Ventures, LLC; Maryland; Hybrid; USD 237,000 - 262,000; Full time

Benefits offered by this job

Above Market Hourly Pay

Roth/401k with immediate vesting

Spot Bonuses

Professional Development bonuses

Medical Coverage

Vision/Dental Coverage

Disability Insurance

Life Insurance

Wellness Reimbursement

Paid Time Off

Internet Reimbursement

Equipment Allowance

Company Events

Job summary

Erias Ventures, LLC in Annapolis Junction, MD is seeking an Application Engineer to work across hosting platforms supporting Linux VMs, Kubernetes, and DevOps. The role emphasizes security, certificate lifecycle, and collaboration with development teams.

This position requires extensive experience with OpenStack/VMware/AWS, Ansible automation, and strong Linux administration, with potential partial telework. A Top-Secret/SCI clearance is required; sponsorship is not available.

Qualifications

• Twelve years minimum experience and HS Diploma/GED; or higher degrees with corresponding years.
• Experience with Linux (RHEL 8/9) and Kubernetes, Docker, Rancher.
• Automation with Ansible; familiarity with OpenStack/VMware/AWS.
• Experience applying security hardening (STIG/SSP) and maintaining compliance documentation.
• Experience with Apache NiFi or similar data integration tools.
• Ability to troubleshoot SSH, performance and network issues on Linux.
• Manage certificate lifecycle and PKI and ensure security standards.
• Production Linux VMs and Kubernetes cluster monitoring and maintenance.

Responsibilities

• Manage VM lifecycle: monitor health, update software, ensure security.
• Maintain Ansible playbooks and monitor Kubernetes clusters via Rancher or kubectl.
• Troubleshoot production Linux VMs and Kubernetes clusters.
• Support Apache NiFi deployments and resolve connectivity/resource issues.
• Manage server and PKI certificate lifecycle per security standards.
• Perform software updates, patching, and hardening via YUM/repositories.
• Collaborate with development teams and end users for operational support.
• Analyze logs and identify root causes of VM/container/app issues.

Skills

Troubleshooting

RHEL 8/9

Kubernetes

Docker

Rancher

Apache NiFi

Ansible

OpenStack

AWS

VMware

SSH

Security hardening

Networking tools

Security+

Linux VMs

Education

High School Diploma/GED

Associate's Degree

Bachelor's Degree

Master's Degree

Doctorate

Tools

OpenStack

VMware

AWS

Rancher

Kubernetes

Docker

Ansible

NiFi

Job description

• Annapolis Junction, MD

Erias Ventures was founded to serve its customers with an entrepreneurial mindset. We value creative problem-solving, open communication, and empowering our employees to make decisions and put forth new ideas.

Our staff includes technical experts working across multiple disciplines, bringing diverse perspectives to every project. We are seeking engineers who wish to grow their careers and want to become part of a technicallystrong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.

Description

We are 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.

• Server Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos), making sure VMs satisfy latest security requirements 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 and 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

This position may allow for partial telework.

Clearance

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.

Experience

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.

Required skills

• 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

Desired skills

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

Benefits

Erias Ventures provides a complete package of wealth, health, and happiness benefits.The expected salary range for this position, depending on education and years of experience is $237,000 - $262,000.

Wealth Benefits

• Above Market Hourly Pay
• 11% RothorTraditional 401kwith Immediate Vesting and Deposit
• Spot Bonusesfor Assisting with Business Development and Company Growth
• Professional Development Bonusesfor Certificates and Degrees

Health Benefits

• Company subsidizedMedicalCoverage
• 100%Company PaidVisionandDentalCoverage
• 100%Company PaidLong Term Disability,Short Term Disability, andGroup Life Insurance
• MonthlyWellness Reimbursement

Happiness Benefits

• Paid Time OffwithFlexible WorkSchedules andBirthday Off
• Amazon Prime MembershipandMonthlyInternetReimbursement
• TechnologyandProductivity Allowancefor Equipment and Supplies
• Morale BuildingandCompany Eventsto Celebrate our Successes and Build our Community
• Onboarding and AnnualSwag
• Company Paid Professional DevelopmentandTraining

At Erias Ventures, we are dedicated to fostering a diverse and inclusive workplace. As an equal opportunity employer, we ensure that all qualified applicants are considered for employment based on merit, without discrimination. We welcome individuals regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Referrals &Inquiries

Do you know a cleared professional seeking to advance their career? Interested in earning some extra cash? If so, refer them to us with their name and contact details, and you could be eligible for a referral bonus of up to $10,000 for each successful hire.

Not seeing the right position right now? Reach out to us, and we’ll notify you as new contracts and opportunities become available!

Please send referrals and inquiries to:

[e-mail]

To learn more about our company visit our webpage or LinkedIn.