System Administrator

Who We Are: Oasys International, LLC (Oasys) is a rapidly expanding firm that has been recognized on Inc. 5000 magazine's list of the fastest-growing companies for five consecutive years. We are a dynamic organization dedicated to providing world-class technology consulting services through our team of expert technologists, consultants, engineers, and subject matter experts. At Oasys, we prioritize continuous learning, a healthy work-life balance, and a collaborative work environment. Our culture is merit-based, recognizing and rewarding performance and fostering a supportive and social atmosphere.

Position Summary:

Oasys is seeking a System Administrator to support the United States Coast Guard (USCG) at the Aviation Logistics Center (ALC)-Information Systems Division (ISD). The System Administrator is responsible for maintaining enterprise systems' availability, security, and performance to support mission-critical aviation logistics.

The role supports hybrid infrastructure, including Windows, RHEL, VMware, and Kubernetes environments-while executing vulnerability remediation, system upgrades, and daily administration tasks in a cybersecurity-compliant DevSecOps-aligned environment.

Primary Responsibilities:

• Administer, configure, and maintain Windows Server, RHEL, and virtualized systems (VMware, Hyper-V, Kubernetes) across development, test, and production environments.
• Perform vulnerability remediation based on Tenable or equivalent scan results, implementing STIG compliance and aligning with NIST 800-53 and DHS 4300A standards.
• Support system integration and operational sustainment for legacy and modern platforms, including SAS, OpenROAD, and Apache/IIS web servers.
• Automate repetitive tasks and enforce standard configurations using PowerShell, Bash, or Python scripting.
• Assist with deployment, maintenance, and optimization of virtualized and containerized environments, ensuring high availability and resource efficiency.
• Monitor system performance, conduct capacity planning, and support system upgrades, patching, and configuration changes through change control processes.
• Participate in Agile ceremonies and collaborate with developers, cybersecurity staff, and other system administrators using Jira, Confluence, and Bitbucket.
• Provide Tier II/III technical support and assist with incident resolution, audit preparation, and ATO sustainment activities.
• Maintain clear and up-to-date documentation on system configurations, SOPs, troubleshooting guides, and system architecture.
• Support secure application deployment and infrastructure readiness for GOTS/COTS applications.
• All other duties as assigned by management.

Skills/Qualifications:

• Proficiency in administering RHEL and Windows Server platforms in hybrid (on-prem/cloud) enterprise environments.
• Hands-on experience with virtualization technologies (VMware, Hyper-V) and container orchestration using Kubernetes.
• Working knowledge of STIGs, vulnerability management, and cybersecurity baseline implementation.
• Strong scripting skills using PowerShell, Bash, or Python.
• Familiarity with web server administration (Apache and IIS) and system monitoring tools.
• Collaborative mindset with experience working in Agile DevSecOps environments.

Education/Experience Requirements:

• Bachelor's or Associate's degree in Computer Science, Math, Information Technology, Engineering, or related field. Two (2) years of directly relevant experience may substitute for one (1) year of formal education.
• Minimum of two (2) years of experience administering Linux, Windows, VMware, and SAS environments.
• Minimum of two (2) years of performing security remediation to systems with vulnerabilities based on security scans.
• Minimum of one (1) year of experience in an Agile DevSecOps software and engineering environment and Methodologies.
• Minimum of one (1) year of experience with Kubernetes, Jira, Confluence, and Bitbucket.
• Minimum of one (1) year of experience managing, configuring, deploying, and troubleshooting web applications in IIS and Apache web servers.
• Minimum of one (1) year of experience installing, configuring, and maintaining RHEL servers.
• Minimum of one (1) year of designing, building, and implementing application servers to support the business environment.
• Minimum of one (1) year of experience in server installation and upgrade with GOTS and COTS software.
• Experience supporting federal government systems, particularly within DHS or DoD environments, is strongly preferred.

Clearance:

• U.S. citizenship required
• Must have or be eligible to obtain a Position of Public Trust or DoD Secret Clearance.

Certification Requirement

• CompTIA Security+
• Additional certifications (Microsoft Certified: Windows Server Hybrid Administrator, Red Hat Certified System Administrator (RHCSA), ITIL Foundation, or Network+) are a plus.

Work Location:

• Elizabeth City, NC - On-Site

Oasys is proud to be an equal opportunity employer for all protected groups, including protected veterans and individuals with disabilities.