Senior Systems Administrator — DoD Security & Cloud Ops

Nationwide IT Services, Inc.; New Cumberland (OH); On-site; USD 100,000 - 128,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

401(k) plan

Paid holidays

PTO

Commuter benefits

Employee assistance program (EAP)

Educational reimbursement

Pet insurance

Job summary

Nationwide IT Services is seeking an experienced Senior Systems Administrator to oversee enterprise server platforms, network services, and information-management systems onsite in New Cumberland, PA. The role requires DoD clearance and hands-on leadership across multiple locations, focusing on secure, reliable operation of critical systems.

The candidate will manage Active Directory, patching, automation, and incident response, while developing runbooks and training junior staff to sustain

Qualifications

• Ten years of specialized experience in information processing across multiple hardware and software disciplines.
• At least four years of hands-on experience with enterprise software and related systems.
• Bachelor’s degree in a technical discipline.
• Relevant certification from a nationally recognized technical authority.
• Tier 5 investigation and Secret clearance.
• DoD 8570/8140 baseline certification at IAT II or IAT III.
• DLA-approved computing-environment qualifications for Server Admin M and Domain Admin Z; Microsoft Administrator Associate preferred.
• Experience administering enterprise servers, applications, network services, and security configurations.
• Experience leading or directing other system administrators across multiple systems/locations.
• Knowledge of vulnerability management, patching, remediation, and security practices.
• Excellent interpersonal, customer-service, technical-writing, and problem-solving skills.

Responsibilities

• Hands-on Windows Server engineering and administration, Active Directory, server builds, monitoring, migrations, patching, and security incident response.
• Plan, install, configure, maintain, support, and optimize enterprise server platforms, network software, applications, and communication links.
• Direct and coordinate the work of other system administrators responsible for daily operations and optimization.
• Provide local and remote maintenance support for operational systems across multiple locations.
• Analyze and resolve end-user software, system-performance, access, and network-connectivity issues.
• Conduct capacity, availability, and performance analyses and recommend configuration changes.
• Automate recurring system-administration tasks using approved tools and scripts.
• Develop, maintain, and enforce administration procedures, guides, and runbooks.
• Conduct training and knowledge transfer for system administrators.
• Apply advanced knowledge of application networking, load balancing, high availability, and fault tolerance.
• Perform vulnerability management, remediation validation, and reporting.
• Monitor system health, security, utilization, and reliability; investigate incidents and perform root-cause analysis.

Skills

Windows Server

Active Directory

Patch management

Automation scripting

PKI

Group Policy

Security incident response

Server virtualization

Education

Bachelor of Science/Arts in technical field

Microsoft Administrator Associate

Tools

Enterprise management tools

Active Directory management tools

Monitoring tools

PKI tooling

Job description

Nationwide IT Services is seeking an experienced Senior Systems Administrator to oversee enterprise server platforms, network services, and information-management systems onsite in New Cumberland, PA. The role requires DoD clearance and hands-on leadership across multiple locations, focusing on secure, reliable operation of critical systems.

The candidate will manage Active Directory, patching, automation, and incident response, while developing runbooks and training junior staff to sustain