Unix Engineer

We are seeking a Unix Systems Engineer to provide hands-on systems administration and engineering support at Peterson SFB. This role requires expertise across both Solaris and Linux environments, supporting mission-critical systems through daily maintenance, patching, troubleshooting, automation, and cyber compliance. You'll collaborate with cross-functional teams to ensure system integrity, security, and operational excellence across a dynamic enterprise infrastructure.

Key Responsibilities:

• Perform daily systems administration tasks including monitoring, patching, performance tuning, and help desk support.
• Build, configure, and maintain both physical and virtual Solaris and Linux systems.
• Develop and maintain administrative automation scripts using tools such as Perl, Python, PowerShell, or VBScript.
• Manage and troubleshoot complex file systems (ZFS, UFS), including partitioning and resizing.
• Provide operational support for VEEAM storage appliances.
• Configure and manage LDAP clients and servers; maintain directory services infrastructure.
• Integrate Solaris systems with Active Directory for authentication and access control.
• Configure and manage Solaris virtualization using PDOM/LDOM technologies.
• Apply cybersecurity best practices, including STIG implementation, vulnerability remediation (Nessus/ACAS), and maintaining cyber compliance documentation.
• Conduct periodic evaluations of COTS software to ensure relevance, compliance, and supportability.
• Support development, integration, and deployment of periodic system releases.
• Create and maintain system documentation, architecture diagrams, and engineering design documents.
• Provide technical support and root cause analysis for system-related issues.

Basic Qualifications:

• IAT Level II certification (Security+, CASP, CAP, or CISSP) in accordance with DoD 8570.01-M.
• 7+ years of Unix/Linux systems administration experience in enterprise or secure environments.
• Hands-on experience with Solaris and Linux OS administration.
• Strong scripting experience with at least one language: Python, Perl, PowerShell, or VBScript.
• Experience with managing file systems such as ZFS and UFS.
• Knowledge of LDAP management and integration.
• Familiarity with system hardening, STIGs, and vulnerability remediation tools (e.g., Nessus, ACAS).

Preferred Qualifications:

• Experience with Solaris virtualization (PDOM/LDOM).
• Familiarity with Active Directory integration in Unix environments.
• Experience supporting and managing backup solutions such as VEEAM.
• Background working in DoD or classified environments.
• Strong troubleshooting, documentation, and communication skills.
• Ability to work both independently and within a team setting to solve complex technical problems.

Company Benefits:

Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.