Senior Linux/Unix Systems Administrator

3 days ago

Dahlgren, Virginia, United States SMX Full time


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 onsite 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:  2/2/2025

#cjpost #LI-ONSITE



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.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).

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