Demo

Systems Administrator - Senior

Nationwide IT Services
Fairfax, VA Full Time
POSTED ON 1/2/2026
AVAILABLE BEFORE 3/2/2026
System Administrator – SeniorNationwide 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 ResponsibilitiesInstall, configure, maintain, and support servers, applications, and networked systemsMonitor system performance and ensure high availability and reliabilityTroubleshoot and resolve software, hardware, and connectivity issuesProvide end-user support and technical training as neededPerform system maintenance, upgrades, and new system deploymentsApply advanced knowledge of application networking, load balancing, and fault toleranceConduct vulnerability management and support security compliance effortsProvide recommendations on technology direction to support business and mission objectivesMinimum ExperienceSeven (7) years of progressive experience in Information Processing or a related fieldAt least six (6) years of experience across multiple Information Processing disciplines involving diverse hardware and software solutionsA minimum of four (4) years of hands-on experience installing, configuring, maintaining, and troubleshooting software systemsSecurity & Certification RequirementsSensitivity Level: IT-I Critical SensitiveClearance: SecretCertification: DoD 8570.01-M IAT Level II baseline certificationIncludes experience administering applications, data, databases, utilities, or software tools requiring privileged accessPotential Work LocationsBattle Creek, MIRichmond, VAFort Belvoir, VANew Cumberland, PAAbout Nationwide IT ServicesNationwide 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.BenefitsOur comprehensive benefits package includes:Medical, dental, and vision insuranceLife and disability insurance401(k) with employer matchPaid holidays and PTO (vacation and sick leave)Commuter benefitsEmployee Assistance Program (EAP)Educational reimbursementPet insuranceNationwide 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. Powered by JazzHRUwlAqNNnMX

Salary : $88,000 - $119,300

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