"Senior Systems Administrator" Jobs in United States

Senior Systems Administrator

Integrated Systems Corporation (ISCorp) · Mequon

Company Overview Integrated Systems Corporation (ISCorp) is a private-cloud Application Service Provider delivering secure, reliable application hosting, infrastructure, and data processing solutions to customers and In

Senior Systems Administrator

SAIC · Colorado Springs

SAIC seeks a highly experienced and energetic Senior System Administrator to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of ground-based radars critical to US

IT Support Team Lead / Senior Systems Administrator

C3EL · Scott Air Force Base

**CONTINGENT UPON CONTRACT AWARD** Overview: Job Title: IT Support Team Lead / Senior Systems Administrator Security Clearance: Sec

Senior Systems Administrator

Integrity ISR · Nellis Air Force Base

Description Senior IT Systems Analyst Location: 526 IS (On-site) Clearance Required: Active TS/SCI Salary Range: $90,000 - $93,000 Experience Required: 10+ Years Education: Master's Degree preferred (see qualifications

Senior Systems Administrator

Ross Stores, Inc. · Dublin

Our values start with our people, join a team that values you! Bring your talents to Ross, our leading off-price retail chain with over 2,200 stores, and a strong track record of success and growth. Our focus has always

Senior Systems Administrator -Hybrid

Riverstone Enterprise Solutions · Aurora

Riverstone Enterprise Solutions, an Envision Innovative Solutions Company , delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs b

Senior Systems Administrator, Information Tec

NIKSUN · Princeton

Job Description – Senior Systems Administrator, Information Technology Title Senior Systems Administrator, Information Technology Full-time, onsite NIKSUN is the recognized worldwide leader in making the Unknown Know

Senior Systems Administrator

Pingwind ·

Location: Multiple Locations Required Clearance: Top Secret Certifications : DoD 8140 certifications Required Education: HS/GED Required Experience : 7–10+ years of experience in system administration, with advanced expe

Senior Systems Administrator - COMSEC Specialist

Modern Technology Solutions, Inc. (MTSI) ·

Lead/monitor the design and implement a network architecture to support mission critical needs for the development of advanced systems. Monitor and guide the development of requirements, conduct independent reviews and m

Senior Systems Administrator

University Health · San Antonio

University Health is seeking an experienced Senior Systems Administrator with deep PeopleSoft expertise to support and enhance mission-critical financial, clinical, and administrative systems within a large, complex heal

Senior Systems Administrator

Barbaricum ·

Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than 17 years of support

Senior Systems Administrator

Gills Point S Tire & Auto Service · Boston

Join a Team Built on Growth, Innovation, and Technology Are you an experienced IT professional who enjoys solving complex technical challenges, automating business processes, and building scalable technology solutions?

Senior Systems Administrator

Riverstone Enterprise Solutions · Aurora

Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by

Senior Systems Administrator

EMIT Technologies, Inc. · Sheridan

Specific Role: We’re looking for a highly capable, detail-oriented Senior Systems Administrator to support EMIT Technologies’ core infrastructure, identity management, and security systems. In this role, you’ll be respo

Senior Systems Administrator

Richland County School District One ·

Position Type: CLASSIFIED/ INFORMATION TECHNOLOGY Date Posted: 5/6/2026 Location: INFORMATION TECHNOLOGY Richland County School District One, South Carolina Classification Description Classification Title: Senior Syste