Browse Jobs
Browse fresh roles from company career pages, then filter by keyword, location, salary, skills, remote scope, and more. Each listing links back to the employer-controlled apply path when available.
139 jobs match your filters
4d
Senior Systems Administrator
Anduril Industries
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduri
Ashville, Ohio, United States
onsiteEasy Apply
1w
Senior Systems Administrator
Anduril Industries
Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduri
Costa Mesa, California, United States
onsiteEasy Apply
1w
Senior Systems Administrator
Light & Wonder - iGaming
Gaming: Welcome to the world of land-based gaming. At Light & Wonder, it’s all about the games, and our Gaming team builds cutting-edge technology, products, and content for the most iconic casinos and operators across the globe. Position Summary Essential Job Functions: Admi
Silverwater, Australia
onsiteFull-time
1w
A
Senior Systems Administrator
Abbott
JOB DESCRIPTION: Working at Abbott At Abbott, you can do work that matters, grow and learn, care for yourself and your family, be your true self, and live a full life. You will have access to: Career development with an international company where you can grow the career you d
Malaysia > Selangor : Imazium, No. 8, Jalan SS 21/37
onsiteFull-time
1w
Senior Systems Administrator
Horizontal Digital
At Horizontal Digital, we hold ourselves to one key belief: You’re only as good as your worst customer experience. This mantra is what drives our digital consultancy to think beyond the easy answers and instead create websites, apps,&...
St. Louis Park, Minnesota, United States
onsiteFull-time
2w
E
Senior Systems Administrator
EMIT Technologies, Inc.
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 responsible for maintaining stable, secure, and scalable IT enviro
Sheridan, Wyoming
onsiteEasy Apply
2w
P
Senior Systems Administrator
Pae
Amentum is looking for a Senior Systems Administrator to join our team in McLean, VA! As the Senior Systems Administrator, you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertainin
US - VA, McLean
remoteFull-time
3w
S
Senior Systems Administrator
SuperStaff
We are seeking a highly skilled and experienced Senior Systems Administrator to serve as the primary escalation resource and senior technical contributor within our IT team. This role is responsible for advanced troubleshooting, Microsoft 365 administr...
Angeles, Pampanga, Philippines
onsite
3w
Senior Systems Administrator
MRI Software
This role is designed for a high-level technical expert capable of maintaining a robust, scalable infrastructure while serving as a bridge between day-to-day operations and long-term engineering goals. You will be responsible for the health of our virtualized environments, cloud
Cape Town, South Africa Office
onsiteFull-time
3w
R
Senior Systems Administrator
RTX
Date Posted: 2026-05-14 Country: United States of America Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clea
US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928
onsiteFull-time
3w
R
Senior Systems Administrator
RTX
Date Posted: 2026-05-14 Country: United States of America Location: US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is requ
US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848
onsiteFull-time
3w
Senior Systems Administrator
The Walt Disney Company
Job Posting Title: Senior Systems Administrator Req ID: 10151030 Job Description: We are looking for a Senior Systems Administrator who reflects the innovative spirit, creative talent, production excellence, collaborative mindset and passion for great filmmaking that defines I
Sydney, Australia
hybridFull-time
3w
Senior Systems Administrator
Industrial Light & Magic
Job Posting Title: Senior Systems Administrator Req ID: 10151030 Job Description: We are looking for a Senior Systems Administrator who reflects the innovative spirit, creative talent, production excellence, collaborative mindset and passion for great filmmaking that defines I
Sydney, Australia
hybridFull-time
4w
Senior Systems Administrator
General Dynamics Information Technology
Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Disaster Recovery (DR), Information
USA AZ Fort Huachuca
onsiteFull-time
1mo
Senior Systems Administrator
S&C Electric Company
As an S&C Electric team member, you’ll work on projects that have real-world impact. You’ll help transform the grid for resilient and reliable power worldwide. S&C has more than a 100-year history of innovation and has been 100% employee-owned since 2012. We continue this legacy
Chicago, IL, United States
hybrid
1mo
Senior Systems Administrator
YMCA of Greater Toronto
The Senior Systems Administrator (Tier 3) is responsible for the design, administration, and optimization of the organization’s cloud and hybrid IT environments, with a strong focus on Microsoft 365, Azure, and modern endpoint management. This role serves as the highest level of
Toronto, ON Canada
hybridFull-time
1mo
M
Senior Systems Administrator
Medtronic
At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. You’ll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life Integrated Health
Watford, Hertfordshire, United Kingdom
hybridFull-time
1mo
Senior Systems Administrator
Summit 7
Position Type: Full-Time / Exempt Clearance: Top Secret/SCI with CI Polygraph Location: Denver, CO SOC Code: 15-1299.08 Salary*: $115,000-160,000 Summit 7 is here to rise above the ordinary. The work we do here goes far beyond day-to-day projects - it further protects the US defe
Denver, CO, 80237, US
onsiteFull-time
1mo
Senior Systems Administrator
CTI Clinical Trial and Consulting Services
The Senior Systems Administrator installs, configures, and maintains the assigned company-wide systems. The position is also responsible for assisting with systems design, planning, and implementation.
Covington, KY, United States
onsiteFull-time
1mo
Senior Systems Administrator
DaBella
Why DaBella? DaBella is the fastest-growing home improvement company in the United States. We have a total of 67 branches across the nation and are continuing to open new locations every year! Our vision is to care for families and care for homes, while striving to transform hom
Austin, TX
remoteFull-time
1mo
Senior Systems Administrator
Applied Research Solutions
We are seeking Senior Systems Administrators to support mission-critical efforts.
Bedford, MA, United States
onsiteFull-time
1mo
L
Senior Systems Administrator
Leidos
Leidos is seeking an IT Engineer with Microsoft Enterprise Systems Administrator experience to join our team in support of a Federal Intelligence Agency contract located in Alice Springs, AUS. Primary responsibilities include providing Tier 2 support of maintaining multiple large
Alice Springs, Northern Territory, Australia
remoteFull-time
1mo
Senior Systems Administrator
Covenant House International
Overview Since 1972, Covenant House has served and advocated for youth and young families experiencing homelessness, human trafficking, and exploitation. Our overarching goal is to end homelessness among youth and young families by helping them achieve housing stability, heal fro
New York, United States
hybrid
1mo
Senior Systems Administrator
Entersekt
Why Entersekt Founded over 16 years ago, with more recent investments from Accel-KKR, Entersekt is a leader in digital banking fraud prevention and payment security, including mobile authentication, mobile app security, and 3D Secure authentication for issuers, acquirers and paym
Oslo, Norway
hybridEasy Apply
1mo
Senior Systems Administrator
FIS
Position Type : Full time Type Of Hire : Experienced (relevant combo of work and education) As the world works and lives faster, FIS is leading the way. Our fintech solutions touch nearly every market, company, and person on the planet. Our teams are inclusive and diverse. Our co
FIS, 9th FL, Ecoplaza Building, 2305 Chino Roces Ave. Ext., Manila, 1231, Philippines
onsite