Top 224 Senior systems administrator Jobs in Collington Md

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 Integration Engineer
Amentum —Hanover, MD
- $167,000 - $220,000 a year
- Full-time
- Computer Science
- 5 years
- Research
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Senior Systems Engineer
Leidos —Bethesda, MD
- $131,300 - $237,350 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Flexible schedule
6d
Senior Systems Administrator
Amentum —McLean, VA
- $101,343 - $150,000 a year
- Full-time
- 6 years
- Computer Science
- System design
- Health savings account
- Health insurance
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Senior Systems Engineer
Leidos —Bethesda, MD
- $131,300 - $237,350 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Flexible schedule
6d
Senior Print Systems Administrator
Xerox —Washington, DC
- $80,520 - $161,040 a year
- Full-time
- Bachelor's degree
- Mentoring
- Experience equivalent to degree accepted
Senior IT System Administrator
Stanford Hotels Corporation —Washington, DC
- $120,000 a year
- On call
- Computer science
- Computer Science
- Office
- Travel reimbursement
- Commuter assistance
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Senior Systems Administrator
E Logic —Washington, DC
- From $95,000 a year
- Full-time
- Remote
- 7 years
- Pass drug screening
- Scripting
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11d
Senior Systems Administrator
Hexagon US Federal —Lanham, MD
- $90,000 - $105,000 a year
- Hybrid work
- English
- Office
- Windows
- Paid holidays
- Disability insurance
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Senior Systems Engineer
Supernus Pharmaceuticals Inc —Rockville, MD
- $157,000 - $186,000 a year
- Hybrid work
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
Senior Systems Administrator
Wrenchio LLC —Laurel, MD
- Computer Science
- 5 years
- Bachelor's degree
Quick Apply
Sr. Systems Administrator-SCCM (IT@JH EMMS)
Johns Hopkins University —Baltimore, MD
- $62,900 - $110,100 a year
- Full-time
- Remote
- Background check
- System design
- Research
Senior Microsoft Systems Administrator | Temporary
The Ford Agency —Washington, DC
- $40 - $55 an hour
- Temporary
- Office
- SharePoint
- Senior level
Sr. Senior System Administrator III (6687)
MetroStar —Washington, DC
- $243,000 - $285,000 a year
- Full-time
- Computer Science
- System design
- Windows
- Paid training
- Paid holidays
Quick Apply
2d
Senior Systems Administrator
Statera Systems Solutions LLC —Alexandria, VA
- $143,000 - $161,000 a year
- Full-time
- Computer Science
- Bachelor's degree
- Travel
Quick Apply
6d
System Administrator, Senior
Parsons —Linthicum, MD
- $148,300 - $266,900 a year
- Customer service
- 11+ years
- Windows
- Wellness program
- Paid holidays
Network Administrator - Senior
Luminis Health —Annapolis, MD
- $86,006.64 - $129,009.96 a year
- Full-time
- Computer science
- Computer Science
- Research
- AD&D insurance
- Paid holidays
Enterprise Infrastructure Support Senior Systems Administrator (SA)
Peraton —Laurel, MD
- $135,000 - $216,000 a year
- Full-time
- System design
- High school diploma or GED
- Bachelor's degree
- Health savings account
- Paid holidays
Senior Windows Systems Administrator
Black Canyon Consulting —Bethesda, MD
- 5 years
- SQL
- AWS
- Paid holidays
- Health insurance
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

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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.

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Refine Your Search

senior systems administrator jobs in collington md

Senior Linux Systems Administrator

Senior Systems Integration Engineer

Senior Systems Engineer

Senior Systems Administrator

Senior Systems Engineer

Senior Print Systems Administrator

Senior IT System Administrator

Senior Systems Administrator

Senior Systems Administrator

Senior Systems Engineer

Senior Systems Administrator

Sr. Systems Administrator-SCCM (IT@JH EMMS)

Senior Microsoft Systems Administrator | Temporary

Sr. Senior System Administrator III (6687)

Senior Systems Administrator

System Administrator, Senior

Network Administrator - Senior

Enterprise Infrastructure Support Senior Systems Administrator (SA)

Senior Windows Systems Administrator

Senior Systems Administrator

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