Systems Administrator, Senior

Cayuse Holdings • Pearl City, HI

1d • $85,000 - $98,000 • Onsite

About The Position

The Senior Systems Administrator manages the configuration, operation, maintenance, and optimization of complex business systems, including mainframe, mini, and client/server environments. The role serves as a technical expert in Windows and UNIX-based systems, including Red Hat Linux and Solaris, and supports secure, efficient system operations across multiple projects with varying schedules.

Responsibilities include diagnosing system faults, analyzing capacity, implementing preventive maintenance, resolving hardware and software issues, evaluating and installing software, reviewing and preparing technical documentation, and coordinating with vendors. The position also administers solutions to support performance optimization, cybersecurity compliance, and effective resource utilization. Employment is conditional upon successful execution of the contract by the client.

The role is based in a professional office environment and may require onsite work in the main office. The employee may be asked to work a flexible schedule, including holidays, work outside normal business hours, and travel for business or professional development. Duties and responsibilities may change as client and project needs evolve.

Requirements

• Bachelor’s degree or equivalent in a related field with 6–8 years of experience, or a master’s degree or higher with 2–6 years of experience in system administration, configuration, and optimization.
• Proficiency administering Linux/UNIX systems, such as Red Hat Linux or Solaris, and Windows Server.
• Expertise with VMware vCenter and virtual environment management.
• Experience with NM/EM tool integration, Ethernet enclave switches, SAN/NAS solutions, and TCP/IP protocols.
• Competence in shell scripting, including Bash and/or Perl.
• Ability to implement and maintain DISA STIGs (Security Technical Implementation Guides).
• Hands-on experience with AWS cloud solutions.
• Knowledge of backup and recovery processes and monitoring SLA/ALP metrics.
• Familiarity with BMC IT Service Management (ITSM), performance monitoring tools, and system optimization techniques.
• Top-Secret clearance required.
• Must pass a background check and may be subject to additional checks required by projects or clients during employment.
• Strong interpersonal, verbal, and written communication skills; communicates clearly, professionally, and articulately.
• Excellent organizational, analytical, and problem-solving skills, with close attention to detail.
• Ability to multitask and prioritize in a fast-paced environment with changing priorities; adaptable and quick to learn.
• Self-motivated, able to work independently and on a multifunctional team.
• Ability to appropriately handle sensitive and confidential information.
• Proficiency in MS Office, including Word, Outlook, PowerPoint, and Excel.

Nice To Haves

• Strong background implementing and managing enterprise IT infrastructure.
• Advanced problem-solving, troubleshooting, and analytical skills, including the ability to work under pressure.
• Experience managing IT operations across multiple simultaneous projects.
• Effective communication and interpersonal skills for vendor management and cross-functional collaboration.
• Knowledge of best practices in IT service delivery and technical documentation preparation.

Responsibilities

• Supervise and manage daily configuration, operation, and maintenance of business systems, including mainframe, mini, and client/server systems.
• Set up and maintain Windows and UNIX systems, including Red Hat Linux and Solaris.
• Optimize system operations and resource utilization in accordance with organizational requirements.
• Conduct system capacity analysis and strategic planning to support scalability and efficiency.
• Diagnose operating system and hardware faults, troubleshoot problems, and implement resolutions.
• Evaluate software during testing phases and install software in support of mission objectives.
• Prepare and review technical documentation, test cases, and installation procedures.
• Investigate challenges and implement solutions using innovative methods and techniques.
• Perform preventive maintenance on operating systems and necessary repairs to mitigate system or environmental problems.
• Administer system and environment solutions across multiple projects with diverse schedules.
• Work with vendors to resolve trouble calls and system-related issues.
• Plan and coordinate system and environment requirements for individual projects.
• Perform other duties as assigned.

Benefits

• Medical, dental, and vision insurance.
• Wellness program.
• Flexible Spending Accounts for healthcare, dependent care, and commuter expenses.
• Short-term and long-term disability options.
• Company-provided basic life and AD&D insurance.
• Voluntary life and AD&D options.
• 401(k) retirement savings plan with matching after one year.
• Paid time off.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior