NOVA Corporation

UNIX Administrator

NOVA Corporation

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Job Level

SeniorLead

Tech Stack

AnsibleAWSAzureCloudCyber SecurityGoogle Cloud PlatformLinuxPuppetPythonUnix

About the role

  • Install, configure, administer, and maintain UNIX/Linux operating systems including Red Hat Enterprise Linux (RHEL), AIX, Solaris, or HP-UX.
  • Perform system monitoring, performance tuning, patching, and troubleshooting to ensure system stability and availability.
  • Design, implement, and maintain high availability, clustering, and load balancing solutions for UNIX/Linux systems.
  • Develop and enforce security hardening configurations in accordance with DISA STIGs, RMF, and DoD cybersecurity policies.
  • Plan and execute system upgrades, migrations, and data transfers across UNIX/Linux environments.
  • Implement and test backup, replication, and disaster recovery solutions to support continuity of operations.
  • Automate system administration tasks using scripting languages such as Bash, Python, or HCL and tools such as Ansible or Puppet.
  • Collaborate with network, database, virtualization, and cybersecurity teams to ensure integrated system operations.
  • Maintain detailed system documentation including build guides, architecture diagrams, and operational procedures.
  • Provide tier III technical support and mentor junior administrators in UNIX/Linux best practices.
  • Other duties as assigned.

Requirements

  • Must possess an active Secret clearance and be eligible for IT-I (Tier 5/SSBI) / Critical Sensitive access.
  • U.S. Citizenship required.
  • DoD 8570.01-M IAT Level II baseline certification (e.g., Security+, CASP+, or CISSP).
  • One of the following Google Cloud Platform certifications: Associate Cloud Engineer or Professional Cloud Architect.
  • Current Microsoft certification under the “Server Admin UNIX/Linux Operating System” role listed on the DLA Approved Cybersecurity (CS) Computing Environment (CE) List.
  • Bachelor’s Degree in Information Technology, Computer Science, or a related technical discipline.
  • Seven (7) years of progressive systems administration experience on UNIX/Linux operating systems (AIX, Solaris, HP-UX, or RHEL).
  • Five (5) years of experience supporting disaster recovery, data replication, and high availability environments.
  • Five (5) years of hands-on experience troubleshooting, tuning, and patching UNIX/Linux systems.
  • Experience administering clustered, load-balanced, and virtualized UNIX/Linux server environments.
  • Knowledge of hybrid and cloud-integrated UNIX/Linux environments leveraging AWS, Azure, GCP, or OCI.
  • Strong understanding of DoD cybersecurity requirements including RMF, DISA STIGs, and audit readiness.
  • Excellent analytical, documentation, and communication skills.
  • Minimum seven (7) years of progressive experience administering enterprise UNIX/Linux operating systems, including demonstrated expertise supporting high-availability and mission-critical systems in DoD or Federal environments.
Benefits
  • Health insurance
  • 401(k) matching
  • Flexible work arrangements
  • Professional development opportunities

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
UNIXLinuxRed Hat Enterprise LinuxAIXSolarisHP-UXBashPythonHCLAnsible
Soft skills
analytical skillsdocumentation skillscommunication skillsmentoringcollaboration
Certifications
Secret clearanceIT-I (Tier 5/SSBI)DoD 8570.01-M IAT Level IISecurity+CASP+CISSPGoogle Cloud Platform Associate Cloud EngineerGoogle Cloud Platform Professional Cloud ArchitectMicrosoft Server Admin UNIX/Linux Operating SystemBachelor's Degree in Information Technology