Unix/ Linux Systems Engineer

SAIC • Charleston, SC

155d

About The Position

SAIC is seeking a highly skilled Unix/Linux Systems Engineer to join our team and manage complex IT infrastructures for critical Department of the Navy systems. The ideal candidate will have deep expertise in Red Hat Enterprise Linux (RHEL) and Solaris with hands-on experience managing server environments in both physical and virtualized data centers, including commercial cloud providers. The position also requires exposure to Oracle SPARC/Solaris systems. You will implement and maintain rigorous security protocols in accordance with DoD standards, automate system administration tasks, and collaborate with various stakeholders to ensure the reliability and performance of these mission-critical systems.

Requirements

• Strong experience with Linux (RHEL 7/8/9) and/or Solaris 11 systems engineering and administration.
• Expertise in managing DISA STIGs, patching, and securing Unix environments.
• Proficiency in scripting languages (Bash, Python) for automation and system management.
• In-depth knowledge of authentication and identity management solutions.
• Excellent troubleshooting and problem-solving skills across heterogeneous systems (RHEL, Solaris).
• Strong documentation skills for both technical and process documentation.
• Ability to work independently and as part of a collaborative, cross-functional team.
• Excellent written and verbal communication skills, with the ability to communicate technical information clearly to both technical and non-technical audiences.
• Individual shall meet the latest Cybersecurity workforce certification/training in accordance with DoD 8570.1M and subsequent DoD 8140 manual as applicable.
• Bachelor's degree and two (2) years of experience.
• Solaris 11.4 administrator with Oracle VM for SPARC experience.

Nice To Haves

• Red Hat Certified Engineer (RHCE) or other Unix/Linux OS certification.

Responsibilities

• Build, configure, and deploy new RHEL servers manually and using automation tools like Ansible Automation and Puppet Enterprise.
• Manage system configurations, enforce security standards (such as DISA STIGs), and patch servers across customer environments using Puppet and Red Hat Satellite.
• Administer, maintain, and troubleshoot RHEL 7/8/9 and Solaris 11 environments, ensuring uptime and optimal performance.
• Implement and manage authentication solutions, including Single-Sign-On (SSO) through Windows Active Directory integration, for Solaris and RHEL, leveraging Red Hat Identity Management systems.
• Maintain and upgrade RHEL and Solaris servers, applying necessary security measures to ensure compliance with DISA and DOD standards.
• Troubleshoot connectivity issues across RHEL and Solaris systems and collaborate on customer application support.
• Collaborate with storage and virtualization teams to optimize system performance and resource allocation.
• Contribute to the documentation of server environments and processes using SharePoint and other documentation tools.
• Manage change requests, incidents, and service tickets through ServiceNow and Jira.
• Participate in an on-call rotation to address critical system issues.
• Work closely with stakeholders to understand their needs, provide exceptional technical support, and offer professional advice on system upgrades and design.
• Collaborate effectively with other internal teams, particularly within the DC2HS Division, using the Agile process and Jira for Kanban or Sprint process management.
• Develop and maintain automation scripts and tools, with a particular emphasis on Ansible and Ansible Automation Platform, to streamline system administration tasks.
• Check status of virtualization on LDOM components.
• Start, stop, and restart LDOM components.
• Perform minor software updates to virtualization components.
• Report for all components.
• Investigate failures related to start/stop/restart and updates.
• Gather and analyze performance metrics.
• Identify and troubleshoot operability issues with other dependencies.
• Work with vendor support to diagnose and resolve major incidents.
• Assess and implement major upgrade plans.
• Remediate security vulnerabilities.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Industry: Professional, Scientific, and Technical Services
• Education Level: Bachelor's degree