Top 1612 Systems Administrator Senior Jobs

Senior Linux Systems Administrator
Computational Physics, Inc. —Washington, DC
- $140,000 - $165,000 a year
- Online Application
- Hybrid work
- 5 years
- Bachelor's degree
- Senior level
- Profit sharing
- Disability insurance
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Senior Systems Administrator, Systems Support
Carvana —Tempe, AZ
- Full-time
- Background check
- 6 years
- English
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Systems Administrator - Senior
Amentum —Springfield, VA
- $155,000 - $180,000 a year
- Full-time
- 5 years
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Senior Systems Administrator
Atrium —Miami, FL
- $100,000 - $120,000 a year
- Mid-level
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Senior Systems Administrator
General Dynamics Information Technology —Annapolis Junction, MD
- $229,500 - $310,500 a year
- System design
- 11+ years
- Bachelor's degree
- Paid time off
- 401(k) matching
Senior Systems Administrator
PBS Radiology Business Experts —Remote
- Full-time
- Remote
- 5 years
- Windows
- Mentoring
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Senior Mainframe System Administrator (NOMAD)
Alert IT Solutions —Remote
- $179,000 - $198,000 a year
- Full-time
- Remote
- Background check
- Computer Science
- Mid-level
- Health insurance
- Paid time off
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9d
Senior Systems Administrator
PingWind —Remote
- Full-time
- Remote
- 7 years
- Azure
- System design
- AD&D insurance
- Paid holidays
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Senior Systems Engineer
CIRRUS9 SOLUTIONS LLC —Remote
- $150,000 - $170,000 a year
- Full-time
- Remote
- Computer science
- 6 years
- Computer Science
- Paid holidays
- Disability insurance
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Sr. Systems Administrator
BCCUSA-MA —Norwood, MA
- Computer science
- Computer Science
- Windows
Senior Unix Administrator
Shivam Infotech —Somerset, NJ
- Email
- 5 years
- Master's degree
- Senior level
Senior Windows Systems Administrator
Fuse Engineering LLC —Annapolis Junction, MD
- 11+ years
- Windows
- Bachelor's degree
Senior Systems Engineer
Ziply Fiber —Remote
- $99,200 - $151,300 a year
- Weekends as needed
- Remote
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
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Senior Systems Administrator
Unisys —Remote
- Full-time
- Continuous improvement
- US work authorization
- Scripting
- Health savings account
- 401(k) matching
iCAD/Systems Administrator - Senior
Nexlogica —Remote
- Senior level
- Communication skills
Senior Systems Administrator
ARL Bio Pharma —Oklahoma City, OK
- $75,000 - $90,000 a year
- 8 hour shift
- English
- Office
- 3 years
- Paid holidays
- Health insurance
Quick Apply
Senior Systems Administrator
Nexlogica —Remote
- SQL
- Epic
- Senior level
Senior Systems Administrator
Infozone Inc —Littleton, CO
- Full-time
- AWS
- Bachelor's degree
- Senior level
Quick Apply
Senior Systems Administrator
Wrenchio LLC —Laurel, MD
- Computer Science
- 5 years
- Bachelor's degree
Quick Apply
Senior Systems Administrator
SpireTech | SpireTechnologies, Inc. —Portland, OR
- $130,000 - $140,000 a year
- Weekends as needed
- Remote
- HIPAA
- Bachelor's degree
- Mentoring
- Paid holidays
- Health insurance
Quick Apply
6d

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Senior Linux Systems Administrator

Computational Physics, Inc. -
Washington, DC

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Job Details

Full-time
$140,000 - $165,000 a year

Benefits

Profit sharing
Disability insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Parental leave
Vision insurance
Employee stock ownership plan
Opportunities for advancement
Flexible schedule
Life insurance

Qualifications

Authentication
Endpoint Security
Systems integration
Vulnerability scanning implementation
Linux support
IT system monitoring
Configuration management
Endpoint Detection and Response (EDR)
System maintenance
Virtualization tools
Patch management
Bachelor's degree
Vulnerability scanning
Server virtualization
Monitoring system implementation
System deployment
Storage management (system administration)
Network monitoring tools
CompTIA Security+
Linux administration
Security system management
IT security monitoring

Full Job Description

Computational Physics, Inc. (CPI) is seeking a Senior Linux System Administrator to support our customers at the United States Naval Observatory (USNO) in the deployment and maintenance of its precise timing and astrometry networks.

The USNO is responsible for the production and dissemination of precise parameters concerning time, star positions, and the earth's rotation to the Department of Defense (DoD) and intelligence community, other U.S. Government (USG) users such as NASA and the National Oceanic and Atmospheric Administration (NOAA), as well as non-USG civilian and international users. Distribution of these parameters supports GPS navigation, among other applications, an important national and international function. A reliable, secure, maintainable and manageable USNO network is crucial to the production and dissemination of these data products.

The position will be located at the U.S. Naval Observatory in Washington D.C. Partial telework may be permitted in accordance with applicable Navy and Observatory guidance in effect at the time.

Required Qualifications

Seven (7) or more years of industry experience
Five (5) or more years of experience as a Linux System Administrator Experience managing, configuring, and patching
Red Hat Enterprise Linux (RHEL) systems Experience applying STIGs and remediating vulnerabilities identified by ACAS or similar security tools Experience supporting systems in virtualized environments (e.g., VMware vSphere)
Experience integrating systems with monitoring and alerting platforms (e.g., SolarWinds, AIDE)
Experience configuring and managing centralized authentication services (e.g., Active Directory, Centrify, FreeIPA/IdM)
Experience installing and maintaining endpoint security tools (e.g., Trellix/McAfee, Microsoft Defender for Endpoint)
Experience configuring and managing centralized logging solutions (e.g., rsyslog, SIEM integrations)
Experience administering Linux systems using configuration management tools (e.g., Ansible, Puppet)
Experience with DoD cybersecurity policies and frameworks is highly desirable

EducationCertifications

Bachelor's degree in IT, CS, or related field
CompTIA Security+ CE
Active Top Secret Security clearance

Preferred Qualifications

Strong troubleshooting skills across system, network, and storage layers
Experience configuring and troubleshooting SELinux
Experience managing RHEL lifecycle and patching using tools such as Red Hat Satellite or equivalent
Experience with container technologies (e.g., Podman, Docker)
Strong understanding of Linux networking (e.g., firewalld/nftables, DNS, routing, VLANs)
Experience with modern monitoring and observability platforms (e.g., Prometheus, Grafana, ELK)
Experience managing Linux storage (e.g., LVM, XFS, NFS, multipath) Experience developing and maintaining
Ansible playbooks/roles and using version control (e.g., Git)
Experience supporting compliance frameworks (e.g., RMF, STIG checklists, POA&M development)

U.S. citizenship is required for DoD contracts.

About CPI

We love science! We study the physical properties of the Earth and our atmosphere, neighboring planets, and the sun. We make the study of science practical by translating our findings into products, both hardware and software, that make our customer's lives easier and better. CPI has served various U.S. Government agencies, universities, international science organizations, prime contractors, as well as commercial customers for 40 years.

CPI is an employee-owned company - our team members receive company stock. Employee ownership motivates and empowers increased productivity, contribution to the longevity of the business, improved retention, and enhanced employee engagement.

Why Work for Us?

Competitive salary and comprehensive benefits
Positive, upbeat, and transparent company culture with opportunities for self-development and career advancement
Employee-owned small business that allows team members to learn from each other and take ownership
Professional development support including conference attendance and certification training

Benefits

401(k), Profit Sharing and an Employee Stock Ownership Plan (ESOP)
Disability insurance (short-term and long-term)
Flexible schedule
Flexible spending account
Health, Dental, and Vision insurance
Life insurance
Paid time off
Parental Leave
Tuition reimbursement

To apply please visit our careers page.

CPI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

If you need a reasonable accommodation for any part of the employment process, please contact us and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.

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