Linux Systems Engineer

D2 Technical Services•Saint Louis, MO

4d•Hybrid

About The Position

D2 Tech Services is seeking a Linux Systems Engineer with an ACTIVE TS/SCI SECURITY CLEARANCE to join our team supporting an Intelligence customer. This role is part of the Geospatial Services & Solutions business area, focusing on providing high-quality, cost-effective solutions within a sophisticated enterprise environment. The engineer will be an active participant in SAFe and Scrum development teams and meetings, responsible for supporting the customer’s enterprise environment. The position is located in Springfield, VA or St. Louis, MO.

Requirements

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
Active TS/SCI clearance required and eligibility to obtain a CI Polygraph

Nice To Haves

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

Responsibilities

Design, implement, and maintain enterprise Linux-based infrastructure in both on-prem and virtualized environments
Administer, maintain, and optimize Nutanix hyperconverged infrastructure (HCI), including AHV, Prism Central, and Prism Element, to support enterprise Linux workloads
Collaborate with infrastructure teams to provision, configure, and manage virtual machines, storage, networking, and cluster resources within Nutanix environments
Develop and maintain automation solutions using Ansible and scripting languages (e.g. Bash and Python)
Standardize system configuration, patching, and deployment processes through Infrastructure-as-Code practices
Administer and support Red Hat ecosystem tools, including Satellite and Capsule
Integrate and manage authentication and authorization mechanisms (e.g. OAuth, SSO, identity providers)
Support the development of dashboards and observability solutions using tools such as Grafana and Zabbix
Monitor, troubleshoot, and optimize Linux systems and Nutanix infrastructure for performance, availability, and capacity
Troubleshoot complex systems, virtualization, storage, networking, and integration issues across distributed environments
Collaborate with cross-functional teams to improve system reliability, scalability, security, and operational efficiency
Document system architecture, processes, automation workflows, and infrastructure standards
Contribute to continuous improvement initiatives, including automation maturity, platform modernization, and operational best practices