Senior Systems Administrator - Tier 5 Secret-Cleared, Windows Server

Nationwide-IT-Services; Michigan; On-site; USD 100,000 - 145,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life and disability insurance

401(k) with employer match

Paid holidays

PTO (sick/vacation)

Commuter benefits

Educational reimbursement

Pet Insurance

Job summary

Nationwide IT Services is seeking a Senior Systems Administrator to ensure stable, secure operation of enterprise servers, applications, and networks. This on-site role supports a multi-location environment and a proposal effort.

The candidate will lead day-to-day system administration, design secure configurations, and drive improvements in capacity, reliability, and incident response, with the required DoD clearance and 8570 baseline certifications.

Qualifications

• Ten years of specialized experience in information processing involving multiple hardware and software disciplines.

Responsibilities

• Hands-on Windows Server engineering and administration, Active Directory, server builds, monitoring, file services, migrations, patching, Group Policy, hardening, PKI, automation, and security incident response.
• Plan, install, configure, maintain, support, and optimize enterprise server platforms, network software, applications, and communication links.
• Organize and direct the configuration, operation, administration, and sustainment of information-management systems.
• Provide local and remote maintenance support for operational systems deployed at multiple locations, including general maintenance, upgrades, new server installations, and application deployments.
• Analyze and resolve end-user software, system-performance, access, application, and network-connectivity issues.
• Conduct capacity, availability, and performance analyses and recommend system configuration changes, upgrades, resource adjustments, and technology refresh actions.
• Automate recurring system-administration activities through approved tools and scripts to improve administrator efficiency, consistency, and accuracy.
• Develop, maintain, and enforce system-administration procedures, operating guides, configuration documentation, and troubleshooting runbooks.
• Conduct system-administrator training, skills assessments, knowledge transfer, and end-user training.
• Direct and coordinate the work of other system administrators responsible for daily operations, system and resource optimization, user assistance, maintenance, and issue resolution.
• Apply advanced technical knowledge of application networking, load balancing, high availability, redundancy, and fault tolerance.
• Perform vulnerability management, including vulnerability identification, assessment, prioritization, remediation, validation, and reporting.
• Monitor system health, security, utilization, and reliability; investigate incidents; conduct root-cause analysis; and implement corrective actions.
• Recommend technology direction, system architecture, modernization priorities, and infrastructure improvements that support business and mission objectives.

Skills

Active Directory

Windows Server

Server hardening

PKI

Automation scripting

Education

Bachelor of Science or Bachelor of Arts in a technical discipline

DoD 8570/8140 baseline certification (IAT II or IAT III)

Tier 5 investigation and Secret clearance

Microsoft Administrator Associate preferred

Tools

PowerShell

Group Policy

Job description

Nationwide IT Services is seeking a Senior Systems Administrator to ensure stable, secure operation of enterprise servers, applications, and networks. This on-site role supports a multi-location environment and a proposal effort.

The candidate will lead day-to-day system administration, design secure configurations, and drive improvements in capacity, reliability, and incident response, with the required DoD clearance and 8570 baseline certifications.