Cloud Infrastructure System Administrator, Jr-Sr - TS/SCI with CI Poly, $95K-$210K +15% 401k

Millennial Software Solutions Inc • Sterling, VA

3d • $95,000 - $210,000

About The Position

Millennial Software is seeking a Linux Systems Administrator to support and maintain Linux workstations, servers, cloud infrastructure, and network environments across local and remote systems. The role requires Linux command-line administration, cloud technologies, infrastructure management, and troubleshooting across varied IT environments.

The administrator will work with IT professionals to maintain reliable infrastructure, support cloud-based resources, and assist with hardware and network deployments. The role offers work with AWS, Nutanix, automation tools, and Infrastructure as Code technologies across on-premises and cloud-based environments.

Requirements

• Must be a U.S. citizen.
• Must currently hold an active TS/SCI clearance with CI Polygraph.
• Current DoD 8570 IAT Level II certification (Security+ or CISSP), or ability to obtain certification within 1–2 months of starting.
• Bachelor’s degree in Computer Science, Information Technology, or a related discipline.
• 10+ years of relevant experience in Linux server and desktop administration and network troubleshooting.
• Strong understanding of Linux operating systems and command-line administration.
• Knowledge of DevOps practices, methodologies, and infrastructure management.
• Ability to troubleshoot and support both cloud-based and on-premises infrastructure.
• Willingness and ability to learn new technologies and adapt to evolving technical environments.

Nice To Haves

• Experience with configuration management and identity management tools such as Puppet and FreeIPA (IPA).
• Familiarity with Kubernetes and containerized environments.
• Experience configuring and troubleshooting Juniper and/or Cisco network switches.
• Experience supporting Cloud-in-a-Box solutions, including Nutanix.
• Experience with Proxmox virtualization environments.
• Experience with Ansible, automation, and scripting languages.
• Experience with Packer, Kickstart, and Amazon Machine Image (AMI) creation.
• Experience using Infrastructure as Code (IaC) technologies such as Terraform and AWS CloudFormation to provision cloud and on-premises resources.

Responsibilities

• Provide local Linux desktop support, including system configuration, troubleshooting, and maintenance.
• Administer and support remote Linux servers and cloud-based infrastructure.
• Support and maintain local and remote Cloud-in-a-Box infrastructure, including Nutanix environments.
• Assist with hardware deployments, configuration, maintenance, and troubleshooting.
• Manage and maintain cloud-based resources and infrastructure within Amazon Web Services (AWS).
• Support identity and access management services, including FreeIPA (IPA).
• Maintain and support configuration management and automation tools such as Puppet and Ansible.
• Troubleshoot cloud-based network infrastructure and help resolve connectivity and performance issues.
• Support local network troubleshooting and maintenance activities.
• Assist with configuring and maintaining network switches and settings for deployed hardware.
• Develop and maintain technical documentation, system configurations, and infrastructure procedures.
• Identify opportunities to improve infrastructure reliability, automation, and operational efficiency.

Benefits

• 100% company-paid medical, dental, and vision premiums for the employee and all dependents.
• Option to receive increased salary if medical, dental, and vision coverage is not needed.
• 100% company-paid disability and life insurance benefits.
• 15% 401(k) company contribution.
• 30 days of PTO/holidays.
• Generous training budget.
• Paid paternal and maternal leave.
• Business development/growth incentives.
• Company swag.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level