Principal Systems Engineer II; Unix​/Linux

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Full Time Pocatello, , US

3 days ago Requisition

PID:

E-INFOSOL LLC is seeking a highly motivated
Principal Systems Engineer II (Unix/Linux)to join our innovative, customer-focused team in Pocatello, .

Job Type

• On-site

Summary

The Principal Systems Engineer II (Unix/Linux) shall be responsible for the design, deployment, testing, certification, patching, addressing interoperability issues, not only of the base operating system, but for all support libraries, components, and application dependencies.

• Serve as the advanced knowledge expert for all Linux environments.
• Create and maintain bare-metal and virtual machines with the appropriate distribution of Linux and network configuration, using tools that include Satellite Server, Ansible and Big Fix.
• Provision/configure the required software onto servers, such as web servers and databases.
• Evaluate, improve, and maintain the information security throughout the Linux infrastructure.
• Monitor and correct server issues and process for failures and performance bottlenecks.
• Manage and monitor all installed systems and infrastructure.
• Possess excellent knowledge base in DNS, DHCP, LDAP, SMTP, and integration with Windows to solve technical and functional issues.
• Install, configure, test, and maintain operating systems, application software and system management tools.
• Proactively ensure the highest levels of systems and infrastructure availability
• Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
• Maintain security, backup, and redundancy strategies
• Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks.
• Participate in the design of information and operational support systems
• Build new baselines with the appropriate security and access controls to include DISA STIGS and required security controls. Updated baselines will be required quarterly and new versions within 90 days of the manufacturer’s release to production and full DISA STIGS.
• Engineer multi factor authentication between Linux environments and the enterprise Windows infrastructure components.
• Engineer solutions for baselines to operate in full standalone mode, domain mode, and fully integrated mode for all classification levels and enclaves.
• Work with the developers to transition applications from one platform to another to include from physical to virtual and virtual to cloud.
• Work with security components to resolve any security findings or vulnerabilities and apply fixes or updates as well as solutions to achieve closure.
• Liaise with vendors and other IT personnel for problem resolution.
• Ensure technical documentation exists for all systems and is kept up to date to include inventory and patch levels of all systems to include hostnames, property numbers, IP addresses, enclave, number of cores, number of processors, admin passwords, certificates, and service accounts at a monthly interval.
• Integrate systems with Windows as it applies to authentication and core services dependencies such single sign-on and Active Directory.
• Engineer and implement solutions for multi-factor authentication.
• Document system configurations to include passwords, access controls, version number, and revision numbers, patch levels, and inventory to include hostnames,
• TCP/IP addresses, number of processors, number of cores, memory, and license keys.
• Continually transition knowledge to the Government staff through training and assistance on how to use the technology using industry best practices.

Qualification

• Bachelor’s Degree
  in Information Technology, Computer Science, or related field.
• Red Hat Certified Engineer (RHCE) and six (6) years of experience OR Red Hat Certified System Administrator (RHCSA) and eight (8) years of experience.
• Demonstrated experience as a Systems Engineer with focus on Unix/Linux based Systems such as Red Hat Linux and Oracle Linux.

Required Skills/Technologies

• Strong expertise in DNS, DHCP, LDAP, SMTP, and cross-platform integration with Windows.
• Experience with automation and configuration management tools (e.g., Ansible, Big Fix).
• Familiarity with DISA STIGs and federal security compliance standards.
• Proficiency in scripting languages (e.g., Bash, Python).
• Experience with virtualization and cloud migration strategies.
• Excellent troubleshooting and performance optimization skills.
• Strong documentation and reporting capabilities.
• Ability to work independently and collaboratively in a fast-paced environment.

About E-INFOSOL

E-INFOSOL is a Service Disabled and Veteran Owned Small Business (SDVOSB) located in the Washington, D.C. metropolitan area. We specialize in building modern and tailored solutions to support our customers’ mission. As a mission-first organization, we deliver Subject Matter…