Systems Administrator – Linux & Windows Mission Infrastructure

Vibrint • Annapolis Junction, MD

1d

About The Position

Vibrint is hiring a Systems Administrator to sustain Linux and Windows infrastructure supporting DevOps and live mission systems across three backend environments at different classification levels. The role supports physical servers, virtual machines, storage, and core services used by mission and operations personnel, while troubleshooting systems and connectivity issues and coordinating with systems administrators, systems engineers, and network engineers across multiple contracts. The position supports secure systems and infrastructure at customer and remote locations and requires an active TS/SCI with polygraph clearance and U.S. citizenship.

Requirements

• Extensive Linux administration experience supporting operational environments.
• Ability to support an infrastructure environment containing both Linux and Windows systems.
• Solid experience supporting STE/STN requirements and implementing DISA STIG compliance on Linux systems.
• Experience managing storage technologies such as CFS/DFS and NetApp.
• Experience administering virtualization platforms such as Proxmox, Red Hat KVM, or VMware.
• Experience with IP networking and firewalls.
• Some experience supporting containerized or cloud environments.
• Strong communication skills and ability to coordinate work across multiple technical teams, contracts, and government stakeholders.
• Current IAT Level II certification.
• Active TS/SCI with polygraph level clearance.
• U.S. citizenship.
• One of the following education and experience combinations: a high school diploma and 20 years of systems administration experience, or a bachelor's degree and 15 years of systems administration experience.

Nice To Haves

• Experience using automation tools such as Ansible or Salt.
• Scripting experience with Bash, Python, Perl, or comparable languages.
• Experience with backup tools such as Rubrik or NetBackup.
• Experience with hyperconverged infrastructure platforms such as Harvester, Nutanix, or Cisco HyperFlex.

Responsibilities

• Administer and sustain Linux and Windows physical servers and virtual machines supporting DevOps and live operational systems.
• Maintain backend services across three environments at different classification levels, including authentication, DNS, shared drives, and home directories.
• Support authorized communications and troubleshoot connectivity issues across the supported infrastructure.
• Review system monitoring, mission updates, and team communications to identify operational priorities.
• Investigate and resolve Jira tickets with systems administrators, systems engineers, and network engineers.
• Apply Linux security configurations and support STE/STN and DISA STIG compliance requirements.
• Manage storage resources, including CFS/DFS and NetApp environments.
• Configure and sustain virtualization platforms such as Proxmox, Red Hat KVM, and VMware.
• Troubleshoot IP networking and firewall issues affecting system availability and access.
• Support containerized and cloud environments.
• Coordinate technical work across multiple contracts under government tasking and leadership.

Benefits

• Competitive salary.
• Annual merit-based salary increase and discretionary bonus program.
• 401(k) plan with a company maximum 9% contribution.
• 11 paid federal holidays.
• 160 hours of paid time off.
• Medical, dental, vision, life, and short- and long-term disability insurance.
• Employee assistance program.
• Professional development allowance.

What This Job Offers

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