Systems Administrator – Linux & Windows Mission Infrastructure

Vibrint; Hanover (MD); On-site; USD 110,000 - 160,000; Full time

Job summary

Vibrint seeks a Systems Administrator to sustain Linux and Windows infrastructure across multiple environments supporting DevOps and live mission systems. The role requires active TS/SCI with polygraph clearance and US citizenship, with responsibilities spanning server, VM, storage, networking, and virtualization management.

The candidate will collaborate with a large government/contractor team, handle security configurations, and ensure mission-critical systems remain secure and available

Qualifications

• Extensive Linux administration experience in operational environments.
• Ability to support infrastructure with both Linux and Windows systems.
• Solid experience implementing DISA STIG compliance on Linux systems.
• Experience with storage technologies (CFS/DFS and NetApp).
• Experience administering virtualization platforms (Proxmox, Red Hat KVM, VMware).
• Experience with IP networking and firewalls.
• Some experience with containerized or cloud environments.

Responsibilities

• Administer and sustain Linux and Windows physical servers and VMs supporting DevOps and live mission systems.
• Maintain backend services across three environments at different classification levels.
• Support authorized communications and troubleshoot connectivity issues.
• Review system monitoring and mission updates to identify priorities.
• Investigate and resolve Jira tickets with technical teams.
• Apply Linux security configurations and support STIG compliance.
• Manage storage resources (CFS/DFS and NetApp).
• Configure virtualization platforms and troubleshoot virtualization issues.
• Troubleshoot IP networking and firewall issues affecting availability.
• Support containerized and cloud environments.
• Coordinate technical work across multiple contracts and government stakeholders.

Skills

Linux administration

Windows administration

DISA STIG compliance

Jira coordination

IP networking/firewalls

Containerized/cloud support

Education

Bachelor’s degree in Computer Science or related field

High school diploma + 20 years of systems administration experience

Tools

Proxmox

Red Hat KVM

VMware

Ansible

Salt

Rubrik/NetBackup

Job description

Vibrint transforms national security missions through advanced technology, data, and responsible intelligence solutions. Our teams design, secure, deploy, and sustain critical capabilities that enable faster, more informed mission decisions across some of the nation’s most complex operational environments. By joining this prime contract, you’ll help modernize and support secure systems, networks, laboratories, and fielded infrastructure serving mission users at customer and remote locations.

As a Systems Administrator, you will sustain Linux and Windows infrastructure supporting DevOps and live mission systems across three backend environments at different classification levels. Working with a large government and contractor team, you will maintain physical servers, virtual machines, storage, and core services that mission and operations users rely on every day. You’ll troubleshoot system and connectivity issues while collaborating with systems administrators, systems engineers, and network engineers across multiple contracts. You’ll also end your day knowing that you’re doing work that truly matters.

Position requires an active TS/SCI with polygraph level clearance. US citizenship is required.

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.

Qualifications

• 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 the ability to coordinate work across multiple technical teams, contracts, and government stakeholders.
• A current IAT Level II certification.
• Active TS/SCI with polygraph level clearance.
• Candidates must meet one of the following education and experience combinations:
• A high school diploma, plus twenty (20) years of systems administration experience; or
• A bachelor’s degree, plus fifteen (15) years of systems administration experience.

Desired Skills

• 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.

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The pay range for this position is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to provide an equitable and competitive comprehensive compensation package. These considerations include, but are not limited to, contracted rates, education, certification(s), experience, specific competencies required for this position, and geographic location.

Vibrint's comprehensive compensation package includes but is not limited to: 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- & long-term disability insurance; employee assistance program; and a generous professional development allowance.

Equal Opportunity Employer

All applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, citizenship, family structure, marital status, disability, veteran or military status, or any other characteristic protected by law in all phases of the employment process and in compliance with applicable federal, state, and local laws and regulations.

An equal opportunity employer/disability/vet. Policy-Statement_EEO-EmployeesAndCandidates.pdf (vibrint.com).