Enterprise - Senior Application Engineer - Linux, Kubernetes, Ansible 9/9/2026 Annapolis Junction, MD MD - HIG

Erias Ventures, LLC; Annapolis, Northern (MD, KY); Hybrid; USD 237,000 - 262,000; Full time

Benefits offered by this job

Above Market Hourly Pay

11% Roth or Traditional 401k with Vest

Spot Bonuses for Business Growth

Professional Development Bonuses

Job summary

Erias Ventures seeks an Application Engineer to manage Linux VMs and Kubernetes clusters across multiple hosting platforms, focusing on VM health, security hardening, and automation. You will work with Ansible, Rancher, and NiFi to support operations and deployments.

The role requires deep Linux expertise (RHEL 8/9), hands-on experience with OpenStack/VMware/AWS, and strong problem-solving across performance, networking, and security domains.

Qualifications

• Twelve (12) years minimum experience with the specified education track
• 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

Responsibilities

• Manage Linux VMs across multiple hosting platforms and Kubernetes clusters; monitor VM health and security compliance
• Maintain Ansible playbooks and Kubernetes cluster health via Rancher or commands
• Troubleshoot production Linux VMs and Kubernetes clusters; ensure nodes/pods healthy
• Support Apache NiFi deployments; perform configuration updates and resolve issues
• Manage certificate lifecycle (server and PKI) to meet security standards
• Perform software updates, patching, and system hardening via YUM and repos
• Collaborate with development teams and end users for operational support
• Analyze logs and diagnose VM/container/application performance issues

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.