About The Position

We are seeking a highly experienced Systems Administrator to engineer, secure, and maintain business-critical Linux and FreeBSD infrastructure across both bare-metal hardware and virtualized platforms. You will serve as a primary technical authority on system architecture and security compliance, ensuring our environments meet stringent federal and defense-industry standards.

Requirements

  • 10+ years of hands-on, enterprise-level system administration experience specifically with Linux and/or FreeBSD operating systems.
  • Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related technical field.
  • Must be a U.S. Citizen with the ability to obtain and maintain a TS/SCI U.S. Government Security Clearance.
  • Proven track record of hardening systems using DISA STIGs and CIS Benchmarks without breaking production workloads, practical knowledge of SELinux configuration.
  • Strong working knowledge of CMMC frameworks and the specific technical guardrails required for handling CUI.
  • Demonstrated ability to provision, manage, and secure operating systems directly on bare-metal hardware, as well as within scalable cloud environments.
  • Solid foundational knowledge of virtualization technologies and containerization runtimes.

Nice To Haves

  • Red Hat Certified Engineer/Administrator (RHCE/RHCSA)
  • Linux Foundation Certified Engineer/Administrator (LFCE/LFCS)
  • CompTIA Linux+
  • BSD Certification Group (BSDA/BSDP)
  • Certified Information Systems Security Professional (CISSP)
  • CompTIA Advanced Security Practitioner (CASP+)
  • CompTIA Security+
  • AWS Certified SysOps Administrator/Security Specialty
  • Certified Kubernetes Administrator (CKA)

Responsibilities

  • Design, deploy, and maintain enterprise Linux and/or FreeBSD environments on-premises and within cloud infrastructure environments.
  • Implement deep system hardening and mandatory access controls using SELinux by writing custom policies.
  • Apply, automate, and maintain strict security baselines according to DISA STIGs and CIS Benchmarks.
  • Architect and manage secure enclaves compliant with Cybersecurity Maturity Model Certification (CMMC) standards for the safe processing and storage of Controlled Unclassified Information (CUI).
  • Deploy, secure, and manage virtualized environments and containerized workloads.
  • Automate patching, configuration management, and compliance auditing across all hardware and cloud perimeters, utilizing in-house and industry automated tools (e.g., Ansible).
  • Troubleshoot complex OS, network, and storage issues at the kernel and hypervisor levels.

Benefits

  • Wellness & Medical Benefits effective on your First Day of Employment
  • Gold Standard in Medical, Prescription Drug, Dental & Vision Benefits
  • Quarterly Employee Cash Bonus Plan
  • Restricted Stock Grant
  • Employee Stock Purchase Plan
  • Tuition Reimbursement
  • 401K Retirement Savings Plan
  • Spending Accounts
  • Life Insurance
  • Long Term Care
  • Legal
  • Employee Assistance Plan
  • Paid Time Off
  • Vacation Pay
  • Absence Time - "Sick Pay"
  • 10 Paid Holidays
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