Linux System Administrator w/Security+

Information Technology
Full-Time (40HR)


INTERFUZE was conceived and created to be a model for service excellence, both to customers and our staff. With a vision to be the partner of choice for government services, we have experienced rapid growth and expansion of our capability offerings. 


We have an exciting opportunity for a System Administrator - Linux to join our team in Huntsville, AL. The ideal Linux System Administrator will perform a cursory assessment on all RHEL systems to analyze the initial security posture of the Red Hat environment based upon DISA STIGs and SCAP data, NIST guidance, vendor SRGs, and best practices. Once completed, the Linux System Administrator will compile all findings and propose immediate fixes and/or alternate mitigations to comply with published security guidance.

 Essential Job Functions:

  • The Linux System Administrator will work closely with the ISSO, system administrators, and users to ensure that functionality will remain post system lock down.
  • The Linux System Administrator will document all security settings in a RHEL baseline document to be included in the Risk Management Framework A&A package for configuration management purposes.
  • The Linux System Administrator will also perform cursory analysis on other components of the Program to include, but not limited to, Windows environment; networking components; general architecture; and RMF documentation.
  • Support, troubleshoot and resolve software/hardware conflicts/problems on these platforms: RedHat Enterprise Linux, CentOS workstations, VMware ESXi 5.5/6.0, VMware vCenter, configuration and installation of related peripherals.
  • Be responsible for loading and supporting required system software including respective office software, additional products in the Microsoft and Linux suite of software, test applications and GOTS (Government Off The Shelf) Software.
  • Possess strong script troubleshooting and generation for applying STIG and best practice requirements.
  • Configure all Linux operating systems in accordance with best practices and DISA STIGs.
  • Coordinate efforts with Information Assurance personnel to resolve STIG issues.
  • Be able to quickly adapt to new situations, have a strong commitment to a team environment, maintain a capacity to work with little supervision, and the willingness to learn new technologies.
  • Possess the capacity to work unsupervised and has an ability to communicate effectively and efficiently with co-workers as well as management.
  • Possess experience with filesystem storage administration, inherent integrity applications, iptables, and permission sets.
  • Possess experience with deploying and maintaining the DISA Host Based Security System (HBSS) using McAfee’s ePolicy Orchestrator(ePO) and other McAfee point product security applications such as Anti-virus and Host Intrusion Prevention System (HIPS).
  • Possess experience with deploying and scanning with DISA Assured Compliance Assessment Solution (ACAS) and other host-based scanning and manual security checklists.
  • Experience with Ansible, Ubuntu and Amanda/ Bacula tools.


Minimum Required Qualifications:

  • US citizenship is required.
  • Active Secret clearance.
  • Bachelor’s Degree in Computer Science or related degree or equivalent work experience.
  • 5 years minimum experience in creating IT solutions
  • Must possess an active CompTIA Security+ or equivalent NIST 8570 certification.

Knowledge, Skills and Abilities:

  • Strong customer service/client facing skills.
  • Excellent oral and written communication skills.

INTERFUZE is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. INTERFUZE does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans.

Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job.  If you would like to request a reasonable accommodation, please contact  


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