Linux Systems Engineer

Crimson Phoenix

$107K — $142K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Current and Active Top Secret SCI with Polygraph required; no clearance sponsorship offered.
  • Bachelor's Degree in Computer Science or related field, or equivalent work experience.
  • 5+ years of experience with Linux systems in enterprise contexts, especially with Nutanix.
  • Solid grasp of Linux fundamentals: networking, storage, security, and OS internals.
  • Expertise in Ansible for configuration management and automation.
  • Scripting proficiency in languages like Bash or Python for automation tasks.
  • Experience managing and supporting Red Hat-based tools like Satellite and Capsule.

Responsibilities

  • Design and maintain Linux-based infrastructure for both on-prem and virtualized environments.
  • Administer and optimize Nutanix HCI to support enterprise Linux workloads.
  • Collaborate with teams to manage virtual machines and cloud resources.
  • Develop automation solutions with Ansible and scripting languages.
  • Standardize configuration and deployment processes through Infrastructure-as-Code.
  • Support authentication and authorization mechanisms like OAuth and SSO.
  • Monitor and optimize Linux systems for performance, availability, and capacity.

Benefits

  • Medical, dental, and vision insurance.
  • 401(k) plan with company matching.
  • Generous paid time off policy.
  • Company-paid life and disability insurance.
  • Tuition reimbursement for professional development.
  • Employee recognition programs and wellness benefits.
Full Job Description
Job Description

What You Will Be Doing:

  • Designing, implementing, and maintaining enterprise Linux-based infrastructure in both on-premises and virtualized environments.
  • Administering, maintaining, and optimizing Nutanix hyperconverged infrastructure (HCI), including AHV, Prism Central, and Prism Element, to support enterprise Linux workloads.
  • Collaborating with infrastructure teams to provision, configure, and manage virtual machines, storage, networking, and cluster resources within Nutanix environments.
  • Developing and maintaining automation solutions using Ansible and scripting languages (e.g., Bash, Python).
  • Standardizing system configuration, patching, and deployment processes through Infrastructure-as-Code practices.
  • Administering and supporting Red Hat ecosystem tools, including Satellite and Capsule.
  • Integrating and managing authentication and authorization mechanisms (e.g., OAuth, SSO, identity providers).
  • Supporting the development of dashboards and observability solutions using tools such as Grafana and Zabbix.
  • Monitoring, troubleshooting, and optimizing Linux systems and Nutanix infrastructure for performance, availability, and capacity.
  • Troubleshooting complex system, virtualization, storage, networking, and integration issues across distributed environments.
  • Collaborating with cross-functional teams to improve system reliability, scalability, security, and operational efficiency.
  • Documenting system architecture, processes, automation workflows, and infrastructure standards.
  • Contributing to continuous improvement initiatives, including automation maturity, platform modernization, and operational best practices.


Required Skills

Must Have:

  • MUST HAVE a Current and Active Top Secret SCI with Polygraph, as the customer is NOT sponsoring clearances.
  • Bachelor's Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
  • 5+ years of experience administering and engineering Linux systems in enterprise environments, including experience supporting enterprise virtualization platforms such as Nutanix.
  • Solid understanding of Linux system administration fundamentals (networking, storage, security, and OS internals).
  • Strong expertise in configuration management and automation using Ansible.
  • Proficiency in scripting (Bash, Python, or similar) for automation and tooling.
  • Experience managing Red Hat-based environments (RHEL, Satellite, Capsule, or similar tools).
  • Hands-on experience administering Nutanix HCI environments, including AHV, Prism Central, Prism Element, virtual machine lifecycle management, storage, networking, and cluster operations.
  • Experience deploying, managing, and troubleshooting Linux virtual machines in Nutanix environments.
  • Understanding of virtualization, hypervisor technologies, storage, and networking concepts.
  • Experience troubleshooting complex infrastructure, virtualization, and performance issues.
  • Experience implementing security best practices in Linux environments.
  • Experience with monitoring and alerting systems.
  • Strong problem-solving skills and ability to work independently.


Desired Skills

Nice to Have:

  • Experience with Nutanix advanced capabilities such as Files, Objects, Flow, Calm, or Disaster Recovery.
  • Experience with Nutanix automation using APIs, PowerShell, or Infrastructure-as-Code tools.
  • Experience with load balancing devices such as HAProxy or F5.
  • Familiarity with authentication and authorization concepts (e.g., OAuth, LDAP, SSO).
  • Experience with observability and dashboarding tools such as Grafana and Zabbix.
  • Familiarity with containerization technologies (Docker, Kubernetes).
  • Knowledge of CI/CD pipelines and integration with infrastructure automation.
  • Experience with VMware-to-Nutanix migration or hybrid virtualization environments.
  • Strong communication and documentation skills.


Additional Details

Compensation & Benefits: This position has an anticipated salary range of $107,744 - $142,600 per year. Actual compensation will be determined based on factors including experience, qualifications, skills, education, certifications, and business needs. Crimson Phoenix offers a comprehensive benefits package, including medical, dental, and vision insurance, a 401(k) with company match, generous paid time off, company-paid life and disability insurance, tuition reimbursement, professional development opportunities, employee recognition programs, and additional wellness and work-life benefits.

U.S. citizenship and the ability to obtain or maintain a security clearance may be required for certain positions.

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