Top 824 Senior Linux Administrator 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
Quick Apply
Senior Linux System Administrator
Leidos —Alexandria, VA
- $107,900 - $195,050 a year
- Full-time
- 5 years
- Office
- Master's degree
Linux Systems Administrator Tier 1 & 2 (HPC)
AMERICAN SYSTEMS —Dallas, TX
- $120,000 - $150,000 a year
- Full-time
- 5 years
- Bachelor's degree
- Experience equivalent to degree accepted
- Retirement plan
Storage Administrator
Leidos —Alexandria, VA
- $92,300 - $166,850 a year
- Full-time
- 6 years
- Windows
- Master's degree
PeopleSoft Application Administrator and Enterprise Architect
AHU Technologies Inc —Washington, DC
- $78 - $87 an hour
- Full-time
- System design
- SQL
- Analysis skills
Quick Apply
Linux Systems Administrators
Pylon Media Group —Orange County, CA
- Email
- 5 years
- Senior level
Senior Windows Systems Administrator
Fuse Engineering LLC —Annapolis Junction, MD
- 11+ years
- Windows
- Bachelor's degree
Linux Systems Administrator (Part-time)
Savi Gurus —St. Louis, MO
- Part-time
- Remote
- Senior level
Quick Apply
Linux Systems Administrator - Senior
Strategic Talent Consulting LLC —Chantilly, VA
- $145,000 - $205,000 a year
- Full-time
- Azure
- DevOps
- System design
- Dental insurance
- 401(k)
Quick Apply
Senior Systems Administrator
PBS Radiology Business Experts —Remote
- Full-time
- Remote
- 5 years
- Windows
- Mentoring
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Senior Linux System Administrator 3
Geon Technologies —Columbia, MD
- $195,000 - $250,000 a year
- 5 years
- Bachelor's degree
- Senior level
- Profit sharing
- Health savings account
Quick Apply
Infrastructure Management - Level I
ActioNet —Remote
- Up to $148,000 a year
- Full-time
- Computer science
- Computer Science
- System design
Quick Apply
Senior Systems Administrator
PingWind —Remote
- Full-time
- Remote
- 7 years
- Azure
- System design
- AD&D insurance
- Paid holidays
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Senior Linux Administrator
ValueBase Consulting —Oakland, CA
- 8 years
- Senior level
- Python
Senior Linux/UNIX System Administrator
GCUBED ENTERPRISES INC —Patrick Space Force Base, FL
- $75,000 - $90,000 a year
- 5 years
- Scripting
- Senior level
Quick Apply
Sr. Systems Administrator
BCCUSA-MA —Norwood, MA
- Computer science
- Computer Science
- Windows
Senior HPC Systems Administrator, SAS Computing
University of Pennsylvania —Philadelphia, PA
- $84,961 - $105,000 a year
- Full-time
- Hybrid work
- Background check
- Bachelor of Science
- 3 years
- Health insurance
- Dental insurance
M429- Senior Linux System Administrator (801393)
FHR —Raleigh, NC
- 3 years
- Organizational skills
- Senior level
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Senior Linux Systems Administrator
Staffed4U —College Park, MD
- From $200,000 a year
- Full-time
- 11+ years
- Mentoring
- Scripting
- Paid holidays
- Disability insurance
Quick Apply
IT Linux System Administrator 2
United Launch Alliance —Centennial, CO
- $81,695 - $136,159 a year
- Full-time
- Writing skills
- Bachelor's degree
- Travel
- Paid time off
- 401(k) matching
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Senior Linux Systems Administrator

Computational Physics, Inc. -
Washington, DC

Quick Apply

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.

Quick Apply

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