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Senior System Administrator
Job Location:
Job Location:
Linthicum, MD - USA
Monthly Salary:
Not provided by the employer
Monthly Salary:
Posted:
13 February 2026 (30+ days ago)
Posted:
Application Deadline:
4 October 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Join ClearEdge and be part of a mission-focused team solving some of the DoDs most complex technical challenges. Every day ClearEdge supports government and industry customers by delivering innovative solutions that enable critical operations and mission success.
ClearEdge offers an extremely competitive benefits packageincluding a $10k annual training and education benefit a 10% 401(k) contribution fully vested on day one annual health and technology allowances and access to a state-of-the-art technology lab. Learn more at Mission
ClearEdge is hiring a Senior System Administrator to support the administration sustainment and security of Linux-based systems across mission this role you will be responsible for maintaining system health applying updates supporting cloud-based infrastructure and ensuring systems remain reliable compliant and operational. You will work closely with engineers and stakeholders to support system availability and performance in both on-prem and virtualized environments.
This position is ideal for an experienced system administrator who is comfortable working at the command line enjoys maintaining stable systems and values operational excellence.
You Will Excel in This Role If You:
- Are experienced administering Linux systems using the command line
- Are comfortable applying system updates and patches using yum or equivalent tools
- Enjoy maintaining system reliability and operational stability
- Are familiar with cloud-based infrastructure and virtual machines
- Have an interest in understanding how software and services are deployed on systems
- Take ownership of system sustainment and compliance
A Day in the Life Of:
- Performing Linux system administration on CentOS RedHat Amazon Linux or equivalent platforms
- Applying system updates and patches using yum or equivalent patching repositories
- Monitoring system health and troubleshooting performance or availability issues
- Supporting systems hosted in cloud environments such as AWS or Azure
- Assisting with system configuration maintenance and sustainment activities
- Supporting or interacting with network and system mapping tools such as RedSeal
- Working with engineering teams to ensure systems meet operational requirements
Must Have:
- TS/SCI with Polygraph clearance
- Linux command line system administration experience on CentOS RedHat Amazon Linux or equivalent
- Experience applying system updates and patches using yum or equivalent tools
- Ten (10) years of experience as a System Administrator in programs and contracts of similar scope type and complexity
- Bachelors degree in a technical discipline from an accredited college or university or five (5) additional years of System Administrator experience in lieu of a degree
Nice to Have:
- Experience working in cloud environments such as AWS or Azure
- Experience or knowledge of the RedSeal Network Mapping tool
- Familiarity with software commonly deployed on systems such as Elasticsearch Docker Kubernetes or NiFi
- Experience with Syslog or NxLog
- Experience with Nagios or similar monitoring tools
- Scripting experience using Python or Perl
ClearEdge is an established small business that values its employees and is committed to providing an environment where individuals can succeed and grow. We believe in developing our people promoting from within and fostering long-term career growth across the organization.
Our Core ValuesHonesty Integrity Loyalty Fairness Respect Responsibility and Accountabilityguide everything we do. These principles shape our culture inform our decisions and drive our commitment to excellence in support of our customers and partners.
If this position is not the right fit we encourage you to visit our Careers page to explore other opportunities at ClearEdge or connect with one of our recruiters at emailprotected. ClearEdge is an equal opportunity employer.
Required Experience:
Senior IC
Key Skills
- Active Directory
- VMware
- Computer Networking
- Microsoft Windows Server
- Solaris
- Windows
- Linux
- SAN
- System Administration
- Operating Systems
- Dns
- CentOS
About Company
ClearEdge is a mission-driven technology thought leader grown out of the Intelligence Community that provides software engineering, big data, cloud, data analytics, and data science solutions and services. As a small business, we are personally committed to responding to our customers ... View more
