Senior Systems Administrator

Nationwide-IT-Services; New Cumberland (Cumberland County); On-site; USD 100,000 - 143,000; Full time

Benefits offered by this job

Medical, dental, vision

Life and disability insurance

401(k) with employer match

Paid holidays

PTO (sick/vacation)

Commuter benefits

EAP

Educational reimbursement

Pet Insurance

Job summary

Nationwide IT Services in New Cumberland, PA seeks a Senior Systems Administrator to ensure secure, efficient operation of enterprise systems across multiple locations. This onsite role supports server platforms, AD, PKI, and automation while guiding a team of admins.

The position requires a TS clearance, DoD 8570/8140 certs (IAT II/III), and extensive Windows Server expertise with strong problem-solving and leadership abilities.

Qualifications

• Ten years of specialized experience in information processing across multiple disciplines.
• 4+ years in enterprise software installation, configuration, and support.
• Bachelor's degree in a technical discipline and DoD-appropriate certs.
• Tier 5 investigation and Top Secret clearance required.
• IAT II or IAT III baseline certification; DoD-approved computing environments.
• Microsoft Administrator Associate preferred; extensive server/admin experience.
• Experience administering enterprise servers, networks, and security configurations.
• Strong capacity/performance analysis and system-optimization background.
• Experience leading other system admins and coordinating priorities.

Responsibilities

• Hands-on Windows Server engineering and administration, Active Directory, server builds, monitoring, file services, migrations, patching, Group Policy, hardening, PKI, automation, and incident response.
• Plan, install, configure, maintain, support, and optimize enterprise server platforms and network software.
• Direct and sustain information-management systems configuration and operation.
• Provide local and remote maintenance for multiple locations including upgrades and deployments.
• Analyze and resolve end-user software, system-performance, access, and connectivity issues.
• Conduct capacity, availability, and performance analyses; recommend changes and technology refreshes.
• Automate recurring admin tasks via approved tools and scripts to improve efficiency.
• Develop and enforce admin procedures, runbooks, and configuration documentation.
• Conduct system-administrator training and knowledge transfer.
• Direct and coordinate work of other admins across multiple systems/locations.
• Apply knowledge of application networking, load balancing, high availability, and fault tolerance.
• Perform vulnerability management, remediation, and reporting.
• Monitor system health, security, utilization; investigate incidents and perform root-cause analyses.
• Recommend technology direction and infrastructure improvements aligned with business goals.

Skills

Tier 5 investigation & Secret clear.

DoD 8570/8140 IAT II or IAT III

Leadership experience

Customer-service oriented

Technical writing

Training

Problem-solving skills

Capacity & performance analysis

Vulnerability management knowledge

Education

Bachelor's degree in a technical discipline

Nationally recognized technical certification

Microsoft Administrator Associate preferred

Tools

Windows Server

Active Directory

Server provisioning

Group Policy

PKI

Automation tooling/scripts

Monitoring

Job description

Location: New Cumberland, PA

Security and Certification Requirements: Tier 5 investigation and a Top 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.

The administrator plans, installs, configures, maintains, supports, and optimizes network software and communications links across multiple locations; resolves complex application and connectivity issues; leads day-to-day system administration; and recommends changes that improve capacity, performance, reliability, security, and alignment with the organization’s business vision.

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 $142,500 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.