Senior Windows Systems Administrator – Security Automation

Nationwide IT Services, Inc.; Fort Belvoir (VA); On-site; USD 110,000 - 177,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life and disability insurance

401(k) plan with employer match

Paid holidays

PTO (sick/vacation)

Commuter benefits

Employee assistance program (EAP)

Educational reimbursement

Pet Insurance

Job summary

Nationwide IT Services is seeking a Senior Systems Administrator to ensure stable, secure operation of enterprise software systems, network connections, information-management systems, and servers. This onsite role supports multiple locations and is part of a DoD-focused proposal effort.

The administrator plans, installs, configures, maintains, supports, and optimizes server platforms, networks, and applications while guiding junior staff and enforcing security standards.

Qualifications

• Ten years of enterprise IT experience across hardware and software.
• At least four years hands-on with enterprise software and related systems.
• Bachelor's degree in a technical discipline.
• Nationally recognized technical certification.
• Tier 5 investigation and Secret clearance.
• DoD 8570/8140 baseline certification at IAT II or IAT III.
• DLA-approved computing-environment qualifications; Microsoft Administrator Associate preferred.
• Experience administering enterprise servers, applications, network services, and security configurations.
• Experience leading or directing other system administrators.
• Strong vulnerability management, patching, and security practices.
• Excellent interpersonal, customer-service, technical-writing, and training skills.

Responsibilities

• Hands-on Windows Server engineering and administration, AD, server builds, monitoring, and security hardening.
• Plan, install, configure, maintain, and optimize enterprise server platforms and applications.
• Organize and direct configuration, operation, and sustainment of information-management systems.
• Provide local and remote maintenance for operational systems at multiple locations.
• Analyze and resolve end-user software, system-performance, and connectivity issues.
• Conduct capacity and performance analyses; recommend configuration changes and upgrades.
• Automate recurring admin activities with approved tools and scripts.
• Develop, maintain, and enforce admin procedures, runbooks, and troubleshooting guides.
• Conduct system-administrator training, knowledge transfer, and end-user training.
• Direct and coordinate work of other system administrators across locations.
• Apply advanced knowledge of networking, load balancing, high availability, and redundancy.
• Perform vulnerability management, remediation, and reporting.
• Monitor health, security, utilization; perform root-cause analysis and corrective actions.
• Recommend technology direction and modernization priorities aligned with business objectives.

Skills

Windows Server administration

Active Directory

Security best practices

Vulnerability management

Leadership

Customer service

Technical writing

Training

Education

Bachelor's degree in a technical field

Tier 5 investigation and Secret clearance

DoD 8570/8140 baseline IAT II or IAT III

Microsoft Administrator Associate preferred

Microsoft environment certifications

Tools

PKI tooling

Automation tooling

Job description

Nationwide IT Services is seeking a Senior Systems Administrator to ensure stable, secure operation of enterprise software systems, network connections, information-management systems, and servers. This onsite role supports multiple locations and is part of a DoD-focused proposal effort.

The administrator plans, installs, configures, maintains, supports, and optimizes server platforms, networks, and applications while guiding junior staff and enforcing security standards.