Senior Systems Administrator

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

Senior Systems Administrator

LocationNew Cumberland, PA $127,500 149
Security and Certification RequirementsTier 5 investigation and a Secret clearance.
DoD 8570/8140 baseline certification:
IAT II or IAT III.
Computing environment: Server Admin M and Domain Admin Z for a
cloud or Microsoft operating system, in accordance with the DLA-approved computing-environment requirement.

Position Summary

The Senior Systems Administrator ensures the stable, secure, and efficient operation of enterprise software systems, network connections, information-management systems, servers, and applications. This is an onsite position and part of a proposal effort.

Key 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.

Required Qualifications

• Ten years of specialized experience in information processing involving multiple hardware and software disciplines and a broad range of enterprise technology solutions.
• At least four years of concentrated, hands‑on experience installing, configuring, maintaining, supporting, and resolving issues with enterprise software and related systems.
• Bachelor of Science or Bachelor of Arts degree in a technical discipline.
• Relevant certification from a nationally recognized technical authority.
• Tier 5 investigation and Secret clearance.
• DoD-approved 8570/8140 baseline certification at IAT II or IAT III.
• Applicable DLA-approved computing-environment qualifications for Server Admin M and Domain Admin Z in a cloud or Microsoft operating-system environment. Microsoft Administrator Associate preferred.
• Demonstrated experience administering enterprise servers, applications, network services, user accounts, system resources, and security configurations.
• Experience conducting capacity and performance analysis, system optimization, configuration changes, software upgrades, and new installations.
• Experience leading or directing other system administrators and coordinating operational priorities across multiple systems or locations.
• Demonstrated knowledge of vulnerability management, secure configuration, patching, remediation validation, and system‑security practices.
• Excellent interpersonal, customer‑service, technical‑writing, training, troubleshooting, and problem‑solving skills.

Preferred Qualifications

• Experience automating system‑administration and compliance activities with scripts and enterprise‑management tools.
• Experience supporting distributed operational systems through both local and remote administration.
• Advanced experience with application networking, load balancing, high availability, redundancy, fault tolerance, and disaster‑recovery support.
• Experience developing administrator procedures, delivering technical training, and assessing workforce skills.

Why Join Nationwide IT Services?

Nationwide IT Services is a trusted government contractor supporting Department of Defense customers. Join us to work on high-impact cybersecurity missions with experienced professionals in a collaborative, growth‑focused environment.
Our benefits package includes medical, dental, and vision insurance; life and disability insurance; a 401(k) plan with employer match; paid holidays; PTO (sick/vacation); commuter benefits; an employee assistance program (EAP); educational reimbursement; and Pet Insurance.
Salary range: $100,000 to $127,500 annually
The salary range is a general guideline. We consider several factors when determining base salary offers, including the position's scope and responsibilities, the candidate's experience, education, and skills, and current market conditions.