Senior Systems Administrator – DoD (Secret Clearance)

Delaware Nation Industries; Bath Charter Township (MI); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical insurance

401(k) matching

Disability insurance

Pet Insurance

Education reimbursement

Parking and transit benefits

Job summary

Delaware Nation Industries seeks a Senior Systems Administrator to lead a mixed Windows/Linux enterprise environment, ensuring security, sustainment, and continuous improvement of core infrastructure and hosted services.

The ideal candidate has 7+ years as a systems administrator, DoD 8570 IAT Level I certification (Security+), and an active Secret clearance or higher, with expertise in virtualization, storage, identity services, and compliant operations.

Qualifications

• Minimum of 7 years of experience as a Systems Administrator in enterprise IT environments.
• Experience administering complex infrastructure in a mixed OS enterprise environment with strong Windows experience.
• Experience supporting core infrastructure services such as virtualization, enterprise storage, hosted services, and platform administration.
• Demonstrated ability to provide technical leadership, mentorship, and escalation support.

Responsibilities

• Serve as a senior systems administrator and technical lead in a mixed Windows/Linux enterprise environment
• Administer and support enterprise infrastructure, including servers, virtualization platforms, storage systems, databases, hosted services, and related enterprise technologies
• Manage core services such as VMware vSphere, network storage, file services, web hosting, and application hosting
• Troubleshoot and resolve complex issues affecting infrastructure, integrated services, system performance, and operational availability
• Support infrastructure upgrades, lifecycle management, technology refresh efforts, and service improvement initiatives
• Implement and maintain cybersecurity requirements, including system hardening, vulnerability remediation, PKI integration, and support for Assessment and Authorization activities
• Provide technical leadership, mentorship, and escalation support to administrators and other IT personnel
• Coordinate with engineers, cybersecurity personnel, mission partners, and stakeholders to maintain reliable, secure, and interoperable services
• Improve administrative processes, operational workflows, and standard operating procedures
• Support automation and standardization using enterprise administration and configuration management tools
• Must possess an active DoD 8570.01-M IAT Level I certification, such as Security+
• Must possess an active Secret security clearance or higher

Skills

Windows/Linux

Cybersecurity

IAT Level I (Security+)

Secret clearance

PowerShell

Bash

VMware vSphere

Automation

Active Directory

Tools

VMware vSphere

Active Directory

Linux administration

Job description

Delaware Nation Industries seeks a Senior Systems Administrator to lead a mixed Windows/Linux enterprise environment, ensuring security, sustainment, and continuous improvement of core infrastructure and hosted services.

The ideal candidate has 7+ years as a systems administrator, DoD 8570 IAT Level I certification (Security+), and an active Secret clearance or higher, with expertise in virtualization, storage, identity services, and compliant operations.