Linux Systems Engineer with Security Clearance

D2 Consulting; St. Louis (MO); On-site; USD 125,000 - 135,000; Full time

Job summary

D2 Tech Services is seeking a Linux Systems Engineer in St. Louis, MO, to support a high-security enterprise environment. The role requires TS/SCI clearance and hands-on experience with Nutanix HCI, Red Hat tools, and automation.

You will design and maintain Linux infrastructure, develop IaC processes, and collaborate with cross-functional teams to improve security, reliability, and performance across on-prem and virtualized environments.

Qualifications

• Bachelor’s Degree in Computer Science, Engineering, or a related technical discipline.
• 5+ years of experience administering and engineering Linux systems in enterprise environments.
• 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.
• Active TS/SCI clearance required and eligibility to obtain a CI Polygraph
• Experience with virtualization, storage, networking concepts and IaC practices.

Responsibilities

• Design, implement, and maintain enterprise Linux-based infrastructure in on-prem and virtualized environments.
• Administer Nutanix AHV, Prism Central, and Prism Element to support Linux workloads.
• Collaborate to provision, configure, and manage VMs, storage, networking, and cluster resources in Nutanix.
• Develop automation solutions using Ansible and scripting (Bash/Python).
• Standardize system configuration and deployment through Infrastructure-as-Code practices.
• Administer Red Hat Satellite and Capsule.
• Integrate authentication mechanisms (OAuth/SSO).
• Support dashboards and observability with Grafana and Zabbix.
• Monitor, troubleshoot, and optimize Linux systems and Nutanix infrastructure.
• Collaborate with teams to improve reliability, security, and efficiency.
• Document architecture, processes, and automation workflows.
• Contribute to automation maturity and platform modernization initiatives.

Skills

Linux administration

Ansible

Bash scripting

Python scripting

Red Hat Linux

Virtualization

Education

Bachelor’s Degree in Computer Science

Tools

Nutanix

Satellite

Capsule

Grafana

Zabbix

Job description

Linux Systems Engineer St. Louis, MO Apply ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED D2 Tech Services is your place.

You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day.

We think.

We act.

We deliver.

There is no challenge we can’t turn into opportunity.

Our work depends on a TS/SCI cleared Linux Systems Engineer joining our team to support our Intelligence customer in Springfield, VA or St. Louis, MO. This position supports the Geospatial Services & Solutions business area to provide high-quality, cost-effective solutions to the customer.

As part of the GSS Team, the Linux Systems Engineer expertise is needed to support a sophisticated enterprise environment.

They are an active participant in SAFe and Scrum development teams and meetings.

The systems engineer will be responsible for supporting the customer’s enterprise environment. Specific Duties and 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 Required skills:
• 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 Desired skills:
• 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 Information
• All your information will be kept confidential according to EEO guidelines.
• Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically $125-$135k. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.
• Highlights of our benefits include Health/Dental/Vision, 401(k) match, Accrued PTO, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and more! D2 Technical Services is committed to a merit-based recruitment process and encourages applications from all qualified individuals.
• As a Veteran-Owned Small Business, we particularly welcome applications from veterans who have the requisite skills and experience.
• Job applicants that are interested in one of our openings and may require a reasonable accommodation to participate in the job application or interview process, should contact us to request an accommodation.