What are the responsibilities and job description for the System Administrator - Linux position at Techximius?
System Administrator - Linux
Overview
Tech(x) is seeking a skilled Linux System Administrator to support mission-critical systems within a technical lab environment. This role is responsible for administering, securing, and optimizing enterprise Linux systems supporting Army and DoW network operations.
As part of a collaborative and forward-leaning team, you will contribute to system hardening, vulnerability assessment activities, and enterprise service support across a complex, multi-domain environment.
Responsibilities
- Provide system administration support for C4ISR DREN Linux environments
- Manage and maintain C5ISR Linux-based DNS services and enterprise Linux baselines (e.g., CentOS)
- Develop, implement, and maintain secure system configurations and patch management processes
- Support network vulnerability assessments in coordination with cybersecurity teams
- Provide subject matter expertise (SME) in Linux system administration, security, and enterprise deployments
- Administer and support enterprise infrastructure services, including:
- Storage Area Networks (SAN)
- Virtualization platforms
- Windows-based systems (as needed)
- Monitor system performance, ensure availability, and troubleshoot system issues
- Develop and maintain backup and recovery procedures
- Ensure compliance with DoD cybersecurity and authorization requirements
- Collaborate with cross-functional engineering and operations teams
- Other duties as assigned
Qualifications
- Demonstrated Linux System Administrator expertise (SME-level preferred)
- Strong understanding of:
- TCP/IP networking
- System security and authorization frameworks
- Server configuration, monitoring, and maintenance
- Experience with configuration management tools such as:
- Puppet
- Spacewalk / Red Hat Satellite
- Ability to clearly communicate technical concepts to both technical and non-technical stakeholders
- Experience supporting enterprise or tactical network environments
Preferred Qualifications
- DoD 8570 / Army IA Technical Level II certification, such as:
- Security
- CASP
Clearance:
- Current DoW Secret level security clearance or higher.
Education & Experience:
- Bachelor’s degree in Computer Science, Engineering, Mathematics, or related technical field
(OR) - 4 additional years of relevant experience in lieu of degree
- 3–7 years of hands-on system administration experience in Linux environments
Location:
- Aberdeen Proving Grounds, Maryland.
- On site.
- Monday-Friday 8:00 am to 5:00 pm. Schedule flexing is available with the PM’s approval.
Travel:
none
Physical Requirements:
- Prolonged periods of sitting at a desk and working on a computer.
- Must be able to lift up to 25 pounds at times.
- This position requires the ability to communicate information and ideas so others will understand.
- Must be able to exchange accurate information in work situations.
- Must be able to travel by public transportation.
Join the Team:
Tech(x) is a customer centric team, both external and internal customers. This team supports each other to be successful on the job and in meeting the mission. Tech(x) is an Equal Opportunity Employer.
Salary : $115,000 - $130,000