System Administrator - GAINSOverviewTech(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 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
- Demonstrated Kubernetes experience
- Strong understanding of:
- TCP/IP networking
- System security and authorization frameworks
- Server configuration, monitoring, and maintenance
- Experience with configuration management tools
- Experience with PKI in a DoW environment
- Ability to clearly communicate technical concepts to both technical and non-technical stakeholders
- Experience with the migration of imaging and patch management from Symantec Ghost to MECM.
- Building and maintaining images for PXE installation
- Designing and deploying servers as virtual machines in VMware vCenter
- Experience supporting enterprise or tactical network environments
Preferred Qualifications- DoD 8570 / Army IA Technical Level II certification, such as:
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. On site flexing available: core hours 9:00 am to 3:00 pm.
Travel:Some
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.
