Linux Principal Systems Engineer II

Job Summary

The Contractor shall be responsible for design, deployment, testing, certification, patching, and addressing interoperability issues of the base Linux operating system and all related support libraries, components, and application dependencies.

• The Contractor shall serve as the advanced knowledge expert for all Linux environments.
• The Contractor shall create and maintain bare‑metal and virtual machines with the appropriate distribution of Linux and network configuration using tools such as Satellite Server, Ansible, and Big Fix.
• The Contractor shall provision and configure required software onto servers, including web servers and databases.
• The Contractor shall evaluate, improve, and maintain information security throughout the Linux infrastructure.
• The Contractor shall monitor and correct server issues, address failures, and resolve performance bottlenecks.
• The Contractor shall manage and monitor all installed systems and infrastructure.
• The Contractor shall possess excellent knowledge of DNS, DHCP, LDAP, SMTP, and integration with Windows to solve technical and functional issues.
• The Contractor shall install, configure, test, and maintain operating systems, application software, and system management tools.
• The Contractor shall proactively ensure the highest levels of systems and infrastructure availability.
• The Contractor shall monitor and test application performance for potential bottlenecks, identify solutions, and work with developers to implement fixes.
• The Contractor shall maintain security, backup, and redundancy strategies.
• The Contractor shall write and maintain custom scripts to increase system efficiency and reduce human intervention time.
• The Contractor shall participate in the design of information and operational support systems.
• The Contractor shall provide 4th level support.
• The Contractor shall build new baselines with appropriate security and access controls, including DISA STIGS and required security controls—updated quarterly and within 90 days of new releases.
• The Contractor shall engineer multi‑factor authentication between Linux environments and the enterprise Windows infrastructure components.
• The Contractor shall engineer solutions for baselines to operate in full standalone mode, domain mode, and fully integrated mode for all classification levels and enclaves.
• The Contractor shall work with developers to transition applications from one platform to another, including physical to virtual and virtual to cloud.
• The Contractor shall work with security components to resolve security findings or vulnerabilities and apply fixes or updates to achieve closure.
• The Contractor shall liaise with vendors and other IT personnel for problem resolution.
• The Contractor shall ensure technical documentation exists for all systems and is kept up to date, including inventory and patch levels, hostnames, IP addresses, enclave, processor counts, admin passwords, certificates, and service accounts on a monthly interval.
• The Contractor shall integrate systems with Windows for authentication and core services, including single sign‑on and Active Directory, and implement multi‑factor authentication with FBI‑standardized software and hardware.
• The Contractor shall document system configurations, including passwords, access controls, version numbers, patch levels, and inventory details such as hostnames, IP addresses, processors, cores, memory, and license keys.
• The Contractor shall continually transition knowledge to government staff through training and assistance on using the technology with industry best practices.

• Required
  
  Certifications:
  
  RHCA or RHCE.
• Minimum of 8 years of relevant experience.
• Bachelor's degree preferred.

Minimum of Red Hat Certified Systems Administrator (RHCSA) or higher certification and eight years of experience. System engineer skill set with focus on Unix/Linux based systems such as Red Hat Linux and Oracle Linux. Bachelor's degree preferred.

• Red Hat Linux
• Oracle Linux
• Unix
• Satellite Server
• Ansible
• Big Fix
• STIGS
• Database Experience
• Containers
• Security Controls
• MFA

Environmental Conditions – Office and datacenter.

Strength Demands – Occasionally lift 50+lbs in teams.

Physical Requirements – Stand, sit.

TS/SCI with ability to pass and maintain a CI Polygraph.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.