New

Systems Administrator - Senior

Nationwide IT Services
vision insurance, paid holidays, sick time, 401(k)
United States, Virginia, Fairfax
4025 Fair Ridge Drive (Show on map)
Jan 01, 2026
System Administrator - Senior Nationwide IT Services (NIS) is seeking a Senior Systems Administrator for a potential opportunity to support the stable operation of in-house computer systems and network infrastructure. This role is responsible for planning, developing, installing, configuring, maintaining, supporting, and optimizing system software, servers, and communication links across multiple locations. The Senior Systems Administrator will analyze and resolve end-user software and connectivity issues, provide technical support and user training, and recommend technology solutions that align with organizational and mission requirements. The position requires both local and remote support, including system maintenance, upgrades, and new installations. The role applies advanced technical expertise in application networking, load balancing, fault tolerance, and vulnerability management. Key Responsibilities Install, configure, maintain, and support servers, applications, and networked systems Monitor system performance and ensure high availability and reliability Troubleshoot and resolve software, hardware, and connectivity issues Provide end-user support and technical training as needed Perform system maintenance, upgrades, and new system deployments Apply advanced knowledge of application networking, load balancing, and fault tolerance Conduct vulnerability management and support security compliance efforts Provide recommendations on technology direction to support business and mission objectives Minimum Experience Seven (7) years of progressive experience in Information Processing or a related field At least six (6) years of experience across multiple Information Processing disciplines involving diverse hardware and software solutions A minimum of four (4) years of hands-on experience installing, configuring, maintaining, and troubleshooting software systems Security & Certification Requirements Sensitivity Level: IT-I Critical Sensitive Clearance: Secret Certification: DoD 8570.01-M IAT Level II baseline certification Includes experience administering applications, data, databases, utilities, or software tools requiring privileged access Potential Work Locations Battle Creek, MI Richmond, VA Fort Belvoir, VA New Cumberland, PA About Nationwide IT Services Nationwide IT Services (NIS) is an IT and management consulting company and a CVE-verified Service-Disabled Veteran-Owned Small Business (SDVOSB). Our mission is to deliver value-added services by leveraging technology, people, and industry best practices to implement innovative solutions for our customers through our trusted employees and team members. Benefits Our comprehensive benefits package includes: Medical, dental, and vision insurance Life and disability insurance 401(k) with employer match Paid holidays and PTO (vacation and sick leave) Commuter benefits Employee Assistance Program (EAP) Educational reimbursement Pet insurance Nationwide IT Services, Inc. is an Equal Employment Opportunity (EEO) employer and provides equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, genetics, disability, or protected veteran status.