
Senior Linux/Unix Systems Administrator (4411)
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.1
Reclaim your time by letting our AI handle the grunt work of job searching.
We continuously scan millions of openings to find your top matches.

Job Description
SMX is looking for a highly motivated Senior Linux/Unix Administrator to join our team in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of our team managing Research, Development, Test & Evaluation environments, ensuring the functionality, security, and efficiency of Unix/Linux-based systems, networks, and software infrastructure.
This position will be hybrid with the onsite work location in Dahlgren, VA.
Essential Duties & Responsibilities include the daily administration of Linux/Unix systems and software including but not limited to:
- Backup and Recovery
- Software management
- Security management
- Software and hardware installation (OS and apps)
- OS and application performance tuning
- Troubleshooting
- Resource allocation
Required Skills & Experience
Clearance Required: Secret
Must be able to obtain and maintain Top Secret
6+ years' experience administering Linux/Unix systems and networks
Experience with the following:
Backup and Recovery
Software management
Security management
Software and hardware installation (OS and apps)
OS and application performance tuning
Troubleshooting
Resource allocation
Secret clearance with ability to obtain and maintain Top Secret clearance
Networking protocols
Network security tools such as firewalls
Vulnerability management
IAT III certification such as CISSP, CISM, GSLC, CASP or equivalent
Desired Qualifications:
- Experience working within DoD or Navy programs
- Bachelor's degree
Application Deadline: 8/4/2025
#cjpost #LI-HYBRID
The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.
The proposed salary for this position is:
$105,100-$175,100 USD
At SMX, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.
We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what's possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.
SMX is an Equal Opportunity employer including disabilities and veterans.
Selected applicant may be subject to a background investigation and/or education verification.
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.
